CN217222885U - Cleanable fume hood for laboratory waste gas treatment - Google Patents
Cleanable fume hood for laboratory waste gas treatment Download PDFInfo
- Publication number
- CN217222885U CN217222885U CN202220670053.4U CN202220670053U CN217222885U CN 217222885 U CN217222885 U CN 217222885U CN 202220670053 U CN202220670053 U CN 202220670053U CN 217222885 U CN217222885 U CN 217222885U
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- Prior art keywords
- fume hood
- gas treatment
- exhaust
- cleanable
- laboratory
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- 239000003517 fume Substances 0.000 title claims abstract description 46
- 239000002912 waste gas Substances 0.000 title claims abstract description 32
- 239000007789 gas Substances 0.000 claims abstract description 29
- 238000010276 construction Methods 0.000 claims description 2
- 239000000428 dust Substances 0.000 description 11
- 238000009423 ventilation Methods 0.000 description 11
- 239000012535 impurity Substances 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Devices For Use In Laboratory Experiments (AREA)
Abstract
The utility model discloses a can clear up formula laboratory fume hood for exhaust-gas treatment, install the exhaust-gas treatment mechanism in the fume hood body including fume hood body and at least one, exhaust-gas treatment mechanism includes outer barrel and slidable mounting in the interior barrel of outer barrel, at least one first exhaust vent has been seted up on the inner wall of interior barrel downside, has seted up at least one second air exit on the inner wall of interior barrel upside, be equipped with in the lateral wall of outer barrel with the first pipeline of first exhaust vent intercommunication still be provided with in the lateral wall of outer barrel with the second pipeline of second air exit intercommunication. The utility model discloses a set up exhaust-gas treatment mechanism in the fume hood body, discharge the dirty waste gas that the fume hood produced respectively with the dust-free waste gas, both can filter dirty waste gas, make things convenient for the clearance of exhaust-gas treatment mechanism again.
Description
Technical Field
The utility model particularly relates to a fume hood technical field specifically is a can clear up formula laboratory fume hood for exhaust-gas treatment.
Background
The laboratory carries out outside ventilation according to national standard needs because the waste gas volume that produces is bigger, adsorbs the air and carries out the filtration of air and purify the back through outside large-scale filtration equipment after outdoor and discharge, need lay a large amount of pipelines in the laboratory, and ventilation equipment in the laboratory is connected to on the pipeline that the laboratory was laid.
Some analysis and detection are mainly carried out by using a precision instrument in a precision instrument analysis laboratory, the precision instrument is provided with an exhaust port of 1-2 mm, some trace volatile gases can be discharged, the instrument detection has certain ventilation requirements, some small sample treatment can be carried out in the precision analysis laboratory, the operations of taking and matching samples and washing needles are assisted, some trace volatile gases can be generated, the generated waste gases need to be discharged out of the precision analysis laboratory, the existing precision analysis laboratory also adopts a ventilation method of the laboratory for ventilation, a ventilation pipeline is adopted for a ventilation cabinet in the prior art for ventilation, when the waste gases containing impurities are exhausted, a filter screen is additionally arranged in the ventilation pipeline for filtering, the installation of the filter screen not only can influence the air flow velocity during ventilation, but also is difficult to clean.
The related problems to be solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can clear up formula fume hood for laboratory exhaust-gas treatment to propose among the prior art fume hood among the above-mentioned background art of solution and adopt air pipe to ventilate, when carrying out to contain miscellaneous waste gas and air exhaust, install the filter screen additional at air pipe inside and filter, and the air current velocity of flow when the installation of filter screen not only can influence the ventilation, is difficult to the problem of clearance moreover.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a can clear up formula fume hood for laboratory exhaust-gas treatment, includes fume hood body and at least one exhaust-gas treatment mechanism of installing in the fume hood body, exhaust-gas treatment mechanism includes outer barrel and slidable mounting in the outer barrel interior barrel, seted up at least one first exhaust vent on the inner wall of interior barrel downside, seted up at least one second air exit on the inner wall of interior barrel upside, be equipped with in the lateral wall of outer barrel with the first pipeline of first exhaust vent intercommunication, still be provided with in the lateral wall of outer barrel with the second pipeline of second air exit intercommunication, the inside of outer barrel still is equipped with the drive the gliding actuating mechanism of inner barrel drives the inner barrel slides from top to bottom along outer barrel through actuating mechanism drive inner barrel to make first exhaust vent with first pipeline intercommunication or second air exit with second pipeline intercommunication.
As a further aspect of the present invention: the filter screen is fixedly installed in the first exhaust port, and the dust-deposition convex eaves are arranged on the first exhaust port and the air inlet side of the filter screen.
As a further aspect of the present invention: the waste gas treatment mechanism further comprises a pipe body, and the upper ends of the first pipeline and the second pipeline extend out of the outer cylinder body and are communicated with the pipe body.
As a further aspect of the present invention: the driving mechanism comprises a driving motor fixedly arranged on the outer barrel, an adjusting screw rod rotatably arranged in the outer barrel and a threaded sleeve fixedly arranged on the inner barrel, the upper end of the adjusting screw rod is fixedly connected with the output end of the driving motor, and the lower end of the adjusting screw rod is in threaded connection with the threaded sleeve.
As the utility model discloses further scheme again: be provided with the operation panel in the fume hood body, seted up the air exit on the fume hood body, the air exit with the body intercommunication.
As a further aspect of the present invention: the pipe body is of a telescopic pipe structure.
As a further aspect of the present invention: the lateral side department of outer barrel is equipped with at least one connecting seat, the pneumatic cylinder is still installed at the top of fume hood body, the flexible end of pneumatic cylinder with connecting seat fixed connection.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up exhaust-gas treatment mechanism in the fume hood body, this exhaust-gas treatment mechanism includes outer barrel and slidable mounting in the interior barrel of outer barrel, utilizes actuating mechanism to drive interior barrel and slide from top to bottom along outer barrel, make first exhaust outlet with first pipeline intercommunication or second air exit with the second pipeline intercommunication to discharge the dirty waste gas that the fume hood produced and the waste gas that does not contain dirt respectively, both can filter dirty waste gas, make things convenient for the clearance of exhaust-gas treatment mechanism again.
Drawings
Fig. 1 is a schematic view of a cleanable laboratory fume hood for treating exhaust gases.
Fig. 2 is a schematic view of the exhaust gas treatment mechanism in the cleanable laboratory hood.
Fig. 3 is a cross-sectional view of an exhaust treatment mechanism in a cleanable laboratory exhaust treatment hood.
In the figure: 1-a fume hood body, 11-an operation table, 12-an air outlet, 2-a waste gas treatment mechanism, 21-an outer cylinder, 22-an inner cylinder, 221-a first air outlet, 222-a filter screen, 223-a second air outlet, 23-a pipe body, 24-a first pipeline, 25-a second pipeline, 26-a connecting seat, 3-a driving mechanism, 31-a driving motor, 32-an adjusting screw rod and 33-a screw sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.
The utility model discloses a set up exhaust-gas treatment mechanism in the fume hood body, this exhaust-gas treatment mechanism includes outer barrel and slidable mounting in the interior barrel of outer barrel, utilizes actuating mechanism to drive interior barrel and slides from top to bottom along outer barrel, make first exhaust outlet with first pipeline intercommunication or second exhaust outlet with second pipeline intercommunication to discharge the dirty waste gas that the fume hood produced respectively with the dust-free waste gas, both can filter dirty waste gas, make things convenient for the clearance of exhaust-gas treatment mechanism again.
The following is a detailed description with reference to the examples:
referring to fig. 1 to 3, in an embodiment of the present invention, a cleanable fume hood for waste gas treatment in a laboratory includes a fume hood body 1 and at least one waste gas treatment mechanism 2 installed in the fume hood body 1, where the waste gas treatment mechanism 2 includes an outer cylinder 21 and an inner cylinder 22 slidably installed in the outer cylinder 21, at least one first exhaust port 221 is opened on an inner wall of a lower side of the inner cylinder 22, at least one second exhaust port 223 is opened on an inner wall of an upper side of the inner cylinder, a first pipeline 24 communicated with the first exhaust port 221 is provided in a side wall of the outer cylinder 21, a second pipeline 25 communicated with the second exhaust port 223 is further provided in a side wall of the outer cylinder 21, a driving mechanism 3 for driving the inner cylinder 22 to slide is further provided in the outer cylinder 21, the inner cylinder 22 is driven to slide up and down along the outer cylinder 21 by the driving mechanism 3, so that the first exhaust opening 221 communicates with said first duct 24 or the second exhaust opening 223 communicates with said second duct 25, so as to exhaust the exhaust gases generated in the fume hood body 1 along different ducts;
it should be noted that the filter screen 222 is fixedly installed in the first exhaust port 221, the first exhaust port 221 and the air inlet side of the filter screen 222 are provided with a dust-collecting ledge, when the dust-containing waste gas is introduced into the first pipe 24 from the first exhaust port 221, the dust or the particulate impurities are blocked by the filter screen 222 and accumulated in the filter screen 222, and when the dust or the particulate impurities are accumulated excessively, the dust-containing waste gas falls on the dust-collecting ledge, it can be understood that the first exhaust port 221 is used for circulating the dust-containing waste gas, especially when the fume hood body 1 generates chips, dust, and particulate impurities during use, the filter screen 222 is blocked when the dust-containing waste gas is discharged for a long time, at this time, the inner cylinder 22 is removed for cleaning, and when the fume hood body 1 does not generate the dust-containing waste gas during use, the second exhaust port 223 is communicated with the second pipe 25 by controlling the inner cylinder 22 to slide, so as to discharge the waste gas;
further, the exhaust gas treatment mechanism 2 further comprises a pipe body 23, and the upper ends of the first pipeline 24 and the second pipeline 25 extend out of the outer cylinder 21 and are communicated with the pipe body 23, so that the exhaust gas is introduced into the pipe 23 to be discharged in a centralized manner.
Referring to fig. 3 again, the driving mechanism 3 includes a driving motor 31 fixedly installed on the outer cylinder 21, an adjusting screw 32 rotatably installed inside the outer cylinder 21, and a threaded sleeve 33 fixedly installed on the inner cylinder 22, an upper end of the adjusting screw 32 is fixedly connected to an output end of the driving motor 31, a lower end of the adjusting screw 32 is in threaded connection with the threaded sleeve 33, and the driving motor 31 is controlled to rotate to drive the threaded sleeve 33 and the inner cylinder 22 to slide up and down.
Referring to fig. 1-2 again, an operation table 11 is disposed in the fume hood body 1, an air outlet 12 is disposed on the fume hood body 1, the air outlet 12 is communicated with the pipe 23 for discharging the dust-containing waste gas, and a dust removing fan should be disposed inside the air outlet 12 for driving the dust-containing waste gas to flow and discharge.
The embodiment of the utility model provides an in, body 23 is flexible tubular construction, and it specifically can be hose or bellows etc, the side department of outer barrel 21 is equipped with at least one connecting seat 26, pneumatic cylinder (not output in the picture) is still installed at the top of fume hood body 1, the flexible end of pneumatic cylinder with connecting seat 26 fixed connection for drive exhaust-gas treatment mechanism 2 reciprocates in operation panel 11 top, so that exhaust-gas treatment mechanism 2 can fully discharge the waste gas that fume hood body 1 produced.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A cleanable fume hood for waste gas treatment in a laboratory is characterized by comprising a fume hood body (1) and at least one waste gas treatment mechanism (2) arranged in the fume hood body (1), wherein the waste gas treatment mechanism (2) comprises an outer barrel (21) and an inner barrel (22) slidably arranged in the outer barrel (21), at least one first exhaust port (221) is formed in the inner wall of the lower side of the inner barrel (22), at least one second exhaust port (223) is formed in the inner wall of the upper side of the inner barrel, a first pipeline (24) communicated with the first exhaust port (221) is arranged in the side wall of the outer barrel (21), a second pipeline (25) communicated with the second exhaust port (223) is further arranged in the side wall of the outer barrel (21), and a driving mechanism (3) for driving the inner barrel (22) to slide is further arranged in the outer barrel (21), the inner cylinder (22) is driven by the driving mechanism (3) to slide up and down along the outer cylinder (21), so that the first air outlet (221) is communicated with the first pipeline (24) or the second air outlet (223) is communicated with the second pipeline (25).
2. The cleanable fume hood for laboratory exhaust gas treatment according to claim 1, wherein a filter screen (222) is fixedly installed in the first exhaust opening (221), and dust-collecting eaves are arranged on the air inlet sides of the first exhaust opening (221) and the filter screen (222).
3. The cleanable laboratory fume hood according to claim 1, wherein said fume treatment mechanism (2) further comprises a tube (23), and the upper ends of said first and second ducts (24, 25) extend out of said outer cylinder (21) and communicate with said tube (23).
4. The cleanable fume hood for laboratory exhaust gas treatment according to claim 1, wherein the driving mechanism (3) comprises a driving motor (31) fixedly mounted on the outer cylinder (21), an adjusting screw (32) rotatably mounted inside the outer cylinder (21), and a threaded sleeve (33) fixedly mounted on the inner cylinder (22), wherein the upper end of the adjusting screw (32) is fixedly connected with the output end of the driving motor (31), and the lower end of the adjusting screw (32) is in threaded connection with the threaded sleeve (33).
5. The cleanable fume hood for laboratory exhaust gas treatment according to claim 3, wherein the fume hood body (1) is provided with an operating table (11), the fume hood body (1) is provided with an air outlet (12), and the air outlet (12) is communicated with the pipe body (23).
6. The cleanable laboratory fume hood according to claim 5, wherein said tubular body (23) is of telescopic construction.
7. The cleanable fume hood for laboratory exhaust gas treatment according to claim 6, wherein at least one connecting seat (26) is arranged at a side edge of the outer cylinder (21), a hydraulic cylinder is further mounted at the top of the fume hood body (1), and a telescopic end of the hydraulic cylinder is fixedly connected with the connecting seat (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220670053.4U CN217222885U (en) | 2022-03-25 | 2022-03-25 | Cleanable fume hood for laboratory waste gas treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220670053.4U CN217222885U (en) | 2022-03-25 | 2022-03-25 | Cleanable fume hood for laboratory waste gas treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217222885U true CN217222885U (en) | 2022-08-19 |
Family
ID=82844096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220670053.4U Active CN217222885U (en) | 2022-03-25 | 2022-03-25 | Cleanable fume hood for laboratory waste gas treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217222885U (en) |
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2022
- 2022-03-25 CN CN202220670053.4U patent/CN217222885U/en active Active
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