CN219899555U - Fume chamber of dust experiment - Google Patents
Fume chamber of dust experiment Download PDFInfo
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- CN219899555U CN219899555U CN202320806079.1U CN202320806079U CN219899555U CN 219899555 U CN219899555 U CN 219899555U CN 202320806079 U CN202320806079 U CN 202320806079U CN 219899555 U CN219899555 U CN 219899555U
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- air
- table top
- box
- cabinet body
- air outlet
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- 239000000428 dust Substances 0.000 title claims abstract description 55
- 239000003517 fume Substances 0.000 title claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 40
- 230000007797 corrosion Effects 0.000 claims description 8
- 238000005260 corrosion Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 230000001502 supplementing effect Effects 0.000 claims description 4
- 239000002245 particle Substances 0.000 abstract description 28
- 230000000694 effects Effects 0.000 abstract description 6
- 238000007599 discharging Methods 0.000 abstract description 4
- 238000009423 ventilation Methods 0.000 abstract description 2
- 239000000843 powder Substances 0.000 abstract 1
- 230000003749 cleanliness Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Devices For Use In Laboratory Experiments (AREA)
Abstract
The utility model belongs to the technical field of fume hoods, and particularly relates to a dust experiment fume hood which comprises a hood body and an exhaust box arranged on the hood body; a table top is arranged in the cabinet body; the top of the exhaust box is provided with an air box exhaust outlet, and the bottom of the exhaust box is connected to the bottom of the table top; the table top is provided with a table top air outlet which is communicated with the bottom of the air exhaust box, and air in the cabinet body is exhausted to the air exhaust box through the table top air outlet and is exhausted out of the cabinet body through an air box air outlet at the top of the air exhaust box. According to the utility model, the air outlet of the air box of the ventilation cabinet is connected to the bottom of the table top through the air box, the table top air outlet is arranged on the table top, and dust particles with high density float downwards and are discharged through the table top air outlet on the table top, so that a good powder discharging effect is achieved.
Description
Technical Field
The utility model belongs to the technical field of fume hoods, and particularly relates to a dust experiment fume hood.
Background
The experimental fume hood plays roles of exhausting air and ventilating air in a laboratory, and is usually of a vertical type, and an air outlet is arranged at the top of the experimental fume hood. For experiments of generating dust particles in a laboratory, the dust particles are easy to fall on the table top of the ventilating cabinet because the density of the dust particles is larger than that of air, and the ideal effect cannot be achieved.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides a dust experiment ventilation cabinet which is convenient for discharging dust with high density out of a cabinet body.
The technical scheme adopted for solving the technical problems is as follows:
a dust experiment fume hood comprises a hood body and a table top arranged in the hood body; the table top is provided with a table top air outlet and a water outlet. The gas in the cabinet body is discharged out of the cabinet body through the table top air outlet, the dust particle density is larger than the air density, the dust particles can fall downwards, and the table top air outlet is arranged on the table top, so that the dust particles can be more favorably discharged out of the cabinet body. Dust particles falling to the table or attached to the side wall are washed and discharged through the water outlet.
Further, the table top air outlet is communicated with the air exhaust box, and air in the cabinet body is exhausted to the air exhaust box from the table top air outlet and is exhausted out of the cabinet body from the air exhaust box.
Further, the exhaust box is arranged on the cabinet body, the top of the exhaust box is provided with an air box exhaust outlet, and the bottom of the exhaust box is connected to the bottom of the table top; the table top air outlet is communicated with the bottom of the air exhaust box.
Further, the exhaust box is internally provided with an L-shaped exhaust channel, the table top exhaust outlet is communicated with the horizontal part at the bottom of the exhaust channel, and the air box exhaust outlet is communicated with the vertical part of the exhaust channel.
Further, a filter is arranged at the top of the air outlet of the air box, so that discharged dust is prevented from accumulating in a pipeline or polluting air.
Furthermore, a basin is arranged below the water outlet, and the basin is sequentially connected with the water drainage pipeline and the water return pipeline and is used for discharging flushing water.
Furthermore, a water tap is arranged on the inner side wall of the cabinet body and is positioned above the table top. After the test is finished, the dust particles which are not discharged fall to the table top, a small amount of dust particles can be attached to the side wall of the cabinet body, the water tap is connected with an external water supply pipe, the dust particles which fall to the table top or are attached to the side wall are washed, flow to the lower part of the table top through a water outlet, and flow to a water return pipeline through a bottom basin and a water drain pipeline. The utility model adopts water to flush the dust particles, is simple and quick, and solves the problem that residual dust particles on the table top are difficult to clean.
Further, the top of the cabinet body is provided with the air supply port, and the supplied fresh air enters the table top air outlet of the cabinet body from top to bottom, so that dust particles are more favorably discharged, and the dust particle discharge effect is improved.
Further, a window is arranged on the front side surface of the cabinet body; an air curtain is arranged at the bottom of the window, so that dust particles are effectively prevented from overflowing the cabinet body.
Furthermore, the frame and the guide rail of the window are made of corrosion-resistant materials, so that when the window is flushed, splashed water drops can not cause corrosion of the window. The cavity of the cabinet body is made of corrosion-resistant materials, so that when the cabinet is flushed, splashed water drops cannot cause corrosion of the cavity of the cabinet body, and the service life of the fume hood is prolonged.
The utility model has the technical effects that:
compared with the prior art, the dust experiment fume hood has the advantages that the air outlet of the air box of the fume hood is connected to the bottom of the table top through the air box, the table top air outlet is arranged on the table top, dust particles with high density float downwards and are discharged through the table top air outlet on the table top, and a good dust discharging effect is achieved. The utility model is not only suitable for common tests, but also suitable for all dust tests, and has wider application.
Drawings
FIG. 1 is a perspective view of a fume hood for dust experiments of the present utility model;
FIG. 2 is a schematic view of a longitudinal section of a fume hood for dust experiments according to the present utility model;
fig. 3 is a front view of the fume hood for dust experiments of the present utility model.
In the figure, 1, a cabinet body; 2. a window; 3. a blow-out box; 4. an air outlet of the air box; 5. a table top; 6. a table top air outlet; 7. a water outlet; 8. an exhaust passage; 9. a basin; 10. a drainage pipe; 11. a water return pipe; 12. air supplementing port; 13. an air curtain; 14. a water tap.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions in the embodiments of the present utility model are clearly and completely described below with reference to the accompanying drawings of the specification.
Example 1:
as shown in fig. 1-3, the dust experiment fume hood according to the embodiment includes a hood body 1, a window 2, an exhaust box 3, an air box exhaust port 4, a table top 5, a table top exhaust port 6, a water outlet 7, an exhaust channel 8, a basin 9, a drainage pipeline 10, a return pipeline 11, an air supply port 12, an air curtain 13 and a faucet 14.
As shown in fig. 1, a table top 5 is arranged in the cabinet body 1; the air outlet 4 of the air box is arranged at the top of the air box 3, and the bottom of the air box 3 is connected to the bottom of the table top 5; the table top air outlet 6 is arranged on the table top 5, is close to the rear side surface of the cabinet body 1, is communicated with the lower part of the air exhaust box 3, and air in the cabinet body 1 is exhausted to the air exhaust box 3 through the table top air outlet 6 and is exhausted out of the cabinet body 1 through the air box air outlet 4 at the top of the air exhaust box 3. Specifically, the inside passageway 8 of airing exhaust of case 3 is L, mesa air exit 6 communicates with the passageway 8 bottom horizontal part of airing exhaust, and bellows air exit 4 communicates with the passageway 8 vertical part of airing exhaust.
As shown in fig. 1, the table top 5 is provided with a water outlet 7, the water outlet 7 is communicated with an air exhaust channel 8, the bottom of the air exhaust channel 8 is provided with a basin 9, as shown in fig. 2, the basin 9 is connected with a water drain pipeline 10, the water drain pipeline 10 is connected with a water return pipeline 11, water flows to the basin 9 through the water outlet 7 through the horizontal part at the bottom of the air exhaust channel 8, and is discharged from the water drain pipeline 10 and the water return pipeline 11. As shown in fig. 3, a faucet 14 is arranged on the inner side wall of the cabinet body 1, and the faucet 14 is positioned above the table top 5 and is connected with an external water supply pipe. In order to improve the service life of fume chamber, cabinet body 1 cavity is corrosion-resistant material, window 2's frame and guide rail are corrosion-resistant material equally, have guaranteed to wash the time, and the water droplet of splashing can not lead to cabinet body 1 and cavity to view window 2 corruption.
As shown in fig. 2, an air supply port 12 is arranged at the top of the cabinet body 1; as shown in fig. 1, a window 2 is arranged on the front side of the cabinet body 1; an air curtain 13 is arranged at the bottom of the window 2. Fresh air fed in by the air supply port 12 enters the table top air outlet 6 of the cabinet body 1 from top to bottom, and the air curtain 13 prevents dust particles from overflowing the cabinet body 1, so that the dust particle emission effect is improved.
As a further preferable scheme, a filter can be arranged at the top of the air outlet 4 of the air box to prevent discharged dust from accumulating in the pipeline or polluting the air. For experiments with higher requirements on cleanliness, a filter can be added at the air supplementing port 12 to ensure the cleanliness of the supplemented air.
Working principle: when the dust particle type air conditioner is used, for dust type tests, dust particles with the density greater than that of air flow downwards fall, the table top 5 is provided with the table top air outlet 6, dust particles are discharged into the air exhaust box 3 through the table top air outlet 6, and are discharged through the air box air outlet 4 of the air exhaust box 3, so that the dust particles can be better discharged out of the cabinet body 1. The fresh air is supplemented into the cabinet body 1 through the air supplementing port 12 at the top of the cabinet body 1, and enters the table top air outlet 6 of the cabinet body 1 from top to bottom, so that dust particles are more favorably discharged. The air curtain 13 arranged at the bottom of the window 2 can effectively prevent dust particles from overflowing the cabinet body 1.
After the test is finished, the dust particles which are not discharged fall to the table top 5 and a small amount of dust particles adhere to the side wall of the cabinet body 1. The tap 14 is connected with a water pipe to flush dust particles falling to the table top 5 or attached to the side wall of the cabinet body 1, flows to the lower part of the table top 5 through the water outlet 7, and flows into the water return pipeline 11 through the basin 9 at the bottom. To prevent the bad smell of the return water pipeline 11 from entering the cabinet 1, a deodorizing device can be added between the basin 9 and the drain pipeline 10.
The above embodiments are merely examples of the present utility model, and the scope of the present utility model is not limited to the above embodiments, and any suitable changes or modifications made by those skilled in the art, which are consistent with the claims of the present utility model, shall fall within the scope of the present utility model.
Claims (10)
1. A dust experiment fume chamber, its characterized in that: comprises a cabinet body (1) and a table top (5) arranged in the cabinet body (1); the table top (5) is provided with a table top air outlet (6) and a water outlet (7).
2. A dust experiment fume hood according to claim 1, wherein: the table top air outlet (6) is communicated with the air exhaust box (3).
3. A dust experiment fume hood according to claim 2, wherein: the air exhaust box (3) is arranged on the cabinet body (1), an air box air outlet (4) is arranged at the top of the air exhaust box (3), and the bottom of the air exhaust box is connected to the bottom of the table top (5); the table top air outlet (6) is communicated with the bottom of the air exhaust box (3).
4. A dust experiment fume hood according to claim 3, wherein: the top of the air outlet (4) of the air box is provided with a filter.
5. A dust experiment fume hood according to claim 2 or 3 or 4, wherein: the air exhaust box (3) is internally provided with an L-shaped air exhaust channel (8), the table top air outlet (6) is communicated with the horizontal part at the bottom of the air exhaust channel (8), and the air box air outlet (4) is communicated with the vertical part of the air exhaust channel (8).
6. A dust experiment fume hood according to claim 1, wherein: a basin (9) is arranged below the water outlet (7), and the basin (9) is sequentially connected with a water drainage pipeline (10) and a water return pipeline (11).
7. A dust experiment fume hood according to claim 1, wherein: the water faucet (14) is arranged on the inner side wall of the cabinet body (1), and the water faucet (14) is positioned above the table top (5).
8. A dust experiment fume hood according to claim 1, wherein: the top of the cabinet body (1) is provided with an air supplementing port (12).
9. A dust experiment fume hood according to any one of claims 1-4, 6-8, wherein: the front side surface of the cabinet body (1) is provided with a window (2); an air curtain (13) is arranged at the bottom of the window (2).
10. The dust experiment fume hood of claim 9, wherein: the frame and the guide rail of the window (2) are made of corrosion-resistant materials; the cavity of the cabinet body (1) is made of corrosion-resistant materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320806079.1U CN219899555U (en) | 2023-04-12 | 2023-04-12 | Fume chamber of dust experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320806079.1U CN219899555U (en) | 2023-04-12 | 2023-04-12 | Fume chamber of dust experiment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219899555U true CN219899555U (en) | 2023-10-27 |
Family
ID=88429317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320806079.1U Active CN219899555U (en) | 2023-04-12 | 2023-04-12 | Fume chamber of dust experiment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219899555U (en) |
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2023
- 2023-04-12 CN CN202320806079.1U patent/CN219899555U/en active Active
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