CN220028139U - Purifying device for fume hood - Google Patents
Purifying device for fume hood Download PDFInfo
- Publication number
- CN220028139U CN220028139U CN202321356583.2U CN202321356583U CN220028139U CN 220028139 U CN220028139 U CN 220028139U CN 202321356583 U CN202321356583 U CN 202321356583U CN 220028139 U CN220028139 U CN 220028139U
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- CN
- China
- Prior art keywords
- pipe
- fixed mounting
- purifying box
- fume hood
- cover
- Prior art date
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- 239000003517 fume Substances 0.000 title claims abstract description 33
- 239000002912 waste gas Substances 0.000 claims abstract description 35
- 238000009423 ventilation Methods 0.000 claims abstract description 26
- 238000000746 purification Methods 0.000 claims abstract description 21
- 239000007789 gas Substances 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229920000742 Cotton Polymers 0.000 claims abstract description 7
- 238000007599 discharging Methods 0.000 claims description 9
- 238000005406 washing Methods 0.000 claims description 9
- 238000001179 sorption measurement Methods 0.000 abstract description 9
- 238000001514 detection method Methods 0.000 abstract description 4
- 239000012295 chemical reaction liquid Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model relates to the technical field of fume hoods, in particular to a purification device for a fume hood, which comprises a fume hood, wherein the fume hood is provided with a purification device, the purification device comprises a collecting cover fixedly arranged on the inner wall of the fume hood, the top of the collecting cover is fixedly provided with a ventilation pipe, the inner wall of the ventilation pipe is fixedly provided with a fan, the tail end of the ventilation pipe is provided with a purification box, the inner wall of the purification box is sequentially and fixedly provided with a mesh support plate, soaked cotton, a fine filter screen and an adsorption layer from top to bottom, the top of the purification box is provided with a discharge cover, the top end of the discharge cover is fixedly provided with a bent pipe, the bent pipe is fixedly provided with an electromagnetic valve, one water outlet end of the electromagnetic valve is fixedly provided with an indoor pipe, the other water outlet end of the electromagnetic valve is fixedly provided with an outdoor pipe, and the inner wall of the discharge cover is fixedly provided with an exhaust gas detector. The utility model can carry out waste gas purification treatment, and can also carry out waste gas detection and discharge operation, thereby being convenient to use.
Description
Technical Field
The utility model relates to the technical field of fume hoods, in particular to a purifying device for a fume hood.
Background
The ventilation cabinet is an indispensable component in laboratory ventilation design, the bottom of the ventilation cabinet is provided with a corresponding cabinet body, the middle of the ventilation cabinet is provided with a corresponding operation table, the top of the ventilation cabinet is provided with a corresponding ventilation assembly, when the operation table is used for experimental operation, the ventilation assembly can be used for working, so that waste gas generated in the experimental process can be timely discharged outwards, clean indoor air is ensured, and a laboratory worker does not inhale or throat some toxic, pathogenic or unidentified chemical substances and organisms;
the fume chamber on the market kind is more, and wherein on the part fume chamber directly install exhaust duct on the wall body in laboratory, along with ventilation assembly work after, realize directly discharging waste gas to the outdoor, can not carry out purification treatment to waste gas at the in-process of discharging, waste gas directly discharges to the outdoor also can cause the pollution to the environment outward, and still part fume chamber is although can handle waste gas, lacks the detection component that corresponds, is unfavorable for in time detecting whether the waste gas of discharging reaches the standard, brings inconvenience for the user. In view of this, we propose a purification device for a fume hood.
Disclosure of Invention
The utility model aims to provide a purifying device for a fume hood, which aims to solve the defects in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a purifier for fume chamber, includes the fume chamber, be provided with purifier on the fume chamber, purifier includes fixed mounting the collection cover on the fume chamber inner wall, the top fixed mounting of collection cover has the ventilation pipe, fixed mounting has the fan on the inner wall of ventilation pipe, the end of ventilation pipe is provided with the purifying box, be provided with the cavity that is used for carrying out washing to waste gas in the purifying box, from last fixed mounting in proper order in the inner wall of purifying box has mesh backup pad, soaks cotton, smart filter screen and adsorbed layer, the top of purifying box is provided with the outside exhaust cover that is used for the gas after handling, the top fixed mounting of exhaust cover has the crooked pipe, fixed mounting has the solenoid valve on the crooked pipe, one of them play water end fixed mounting of solenoid valve has the indoor pipe, another play water end fixed mounting of solenoid valve has the indoor outer tube, fixed mounting has the exhaust gas detector that is used for exhaust gas detection on the inner wall of exhaust cover.
Preferably, a cylindrical barrel is fixedly installed on one side plate body of the purifying box, the cylindrical barrel is communicated with the purifying box through a through hole, a vertical pipe is fixedly installed at the tail end of the ventilating pipe and is positioned in the cylindrical barrel and matched with the cylindrical barrel in an inserting mode, and exhaust gas can be conveniently introduced.
Preferably, the tail end of the ventilation pipe is in flange connection with the top surface of the cylindrical barrel, so that the ventilation pipe is convenient to fixedly install.
Preferably, a plurality of air outlet holes for discharging the air outwards are formed in the vertical pipe, so that the waste gas is discharged along the air outlet holes and then subjected to washing operation more comprehensively.
Preferably, the top surface of purifying box is last fixed mounting has the top cap, fixed mounting has ventilative net on the top cap, the exhaust cover covers ventilative net is in through the ventilative net of setting, can avoid impurity to get into, also do benefit to gaseous normal outside simultaneously.
Preferably, the outer calandria is fixedly installed on the front side plate body of the purifying box, the adding pipe is fixedly installed on the front side plate body of the purifying box, the valves are fixedly installed on the outer calandria and the adding pipe, and the reaction liquid is conveniently introduced and discharged by the outer calandria and the adding pipe.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, through the arranged purification device, when the purification device is used, the fan can be used for working, the waste gas is introduced into the purification box to be subjected to the water washing operation, the waste gas after water washing is sequentially discharged outwards through the fine filter screen and the adsorption layer, the effect of purifying the waste gas is achieved, in addition, through the arranged waste gas detector, the treated gas can be detected and operated, when the waste gas does not reach the standard, the waste gas can be discharged into external waste gas treatment equipment through the outdoor pipe to be subjected to the further treatment operation, the use is convenient, and the effects of purifying and detecting the waste gas are achieved.
2. According to the utility model, through the arranged outer discharge pipe and the adding pipe, the operation of introducing reaction liquid and discharging waste liquid can be performed by utilizing the outer discharge pipe and the adding pipe, and the device is convenient to use.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of an exploded construction of the purification device of the present utility model;
FIG. 3 is a cross-sectional view of the purge bin of the present utility model;
FIG. 4 is a cross-sectional view of the vent of the present utility model;
fig. 5 is a cross-sectional view of the exhaust hood of the present utility model.
The meaning of each reference numeral in the figures is: 1. a fume hood; 2. a purifying device; 20. a collection cover; 21. a ventilation pipe; 211. a blower; 22. a vertical tube; 221. an air outlet hole; 23. a purifying box; 231. a top cover; 232. a breathable net; 24. a cylindrical barrel; 241. a via hole; 25. a mesh support plate; 251. soaking cotton; 252. fine filtering net; 253. an adsorption layer; 26. an outer tube; 27. an addition tube; 28. a valve; 29. a discharge cover; 291. bending the tube; 292. an indoor tube; 293. an electromagnetic valve; 294. an outer tube; 295. an exhaust gas detector.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a fume chamber is with purifier, includes fume chamber 1, is provided with purifier 2 on the fume chamber 1, and purifier 2 includes the collection cover 20 of fixed mounting on fume chamber 1 inner wall, and the top of collection cover 20 is fixed mounting has ventilation pipe 21, and fixed mounting has fan 211 on the inner wall of ventilation pipe 21, and fan 211 is used for the transportation operation of waste gas;
specifically, the tail end of the ventilation pipe 21 is provided with a purifying box 23, a chamber for washing waste gas is arranged in the purifying box 23, a mesh support plate 25, soaked cotton 251, a fine filter screen 252 and an adsorption layer 253 are fixedly arranged on the inner wall of the purifying box 23 from top to bottom in sequence, the mesh support plate 25 is used for supporting the soaked cotton 251, the fine filter screen 252 and the adsorption layer 253, the soaked cotton 251 is used for increasing the contact time between the waste gas and reaction liquid, so that the waste gas is more thoroughly treated, the fine filter screen 252 is used for fine filtering operation, the adsorption layer 253 can be made of active carbon materials, and the adsorption layer 253 is used for adsorption operation;
specifically, the top of purifying box 23 is provided with the exhaust hood 29 that is used for the outside exhaust of gas after handling, the top fixed mounting of exhaust hood 29 has crooked pipe 291, fixed mounting has solenoid valve 293 on the crooked pipe 291, one of them play water end fixed mounting of solenoid valve 293 has indoor pipe 292, the another play water end fixed mounting of solenoid valve 293 has outdoor pipe 294, fixed mounting has the exhaust detector 295 that is used for exhaust gas detection on the inner wall of exhaust hood 29, guarantee when using, can utilize exhaust detector 295 to realize detecting operation to the waste gas after purifying, when waste gas is up to standard, solenoid valve 293 work drives crooked pipe 291 and outdoor pipe 294 intercommunication, realize discharging the waste gas up to standard to outdoor exhaust treatment facility in order outdoor pipe 294 and carry out further processing operation.
In this embodiment, a cylindrical tube 24 is fixedly installed on a side plate body of the purifying box 23, the cylindrical tube 24 is communicated with the purifying box 23 through a through hole 241, a vertical tube 22 is fixedly installed at the tail end of the ventilating tube 21, and the vertical tube 22 is located in the cylindrical tube 24 and is in plug-in fit with the cylindrical tube 24, so that exhaust gas can be conveniently introduced.
Specifically, the end of the ventilation pipe 21 is in flange connection with the top surface of the cylindrical barrel 24, so that the ventilation pipe 21 can be fixedly installed.
Further, a plurality of air outlet holes 221 for discharging air outwards are formed in the vertical pipe 22, so that the waste gas is discharged along the air outlet holes 221 and then subjected to washing operation more comprehensively.
In addition, fixed mounting has top cap 231 on the top surface of purifying box 23, and fixed mounting has ventilative net 232 on the top cap 231, and the exhaust hood 29 covers on ventilative net 232, through ventilative net 232 that sets up, can avoid impurity to enter into purifying box 23 in, also does benefit to gaseous normal outside discharge simultaneously.
It is worth to say that, fixed mounting has outer calandria 26 on the preceding curb plate body of purifying box 23, still fixed mounting has addition pipe 27 on the preceding curb plate body of purifying box 23, and valve 28 is all fixed mounting on outer calandria 26 and the addition pipe 27, is convenient for utilize outer calandria 26 and addition pipe 27 to carry out the operation of letting in and discharging of reaction solution.
It should be noted that, the fan 211 in this embodiment is a conventional technology, and will not be described herein.
Finally, it should be noted that the components of the fan 211, the electromagnetic valve 293, the exhaust gas detector 295 and the like of the present utility model are all universal standard components or components known to those skilled in the art, the structure and principle of the components are all known to those skilled in the art through technical manuals or known through routine experimental methods, at the idle position of the present device, all the electric components mentioned above refer to power components, electric components, and an adaptive controller and a power supply, which are connected through wires, the specific connection means should refer to the working principle of the present utility model, and the electric components are electrically connected according to the sequence of operation, and the detailed connection means is known in the art.
When the purification device for the fume hood is used, the adding pipe 27 is connected with an external reaction liquid inlet pipeline, so that the reaction liquid can enter the purification box 23, then the fan 211 is connected with an external power supply and is operated, the fan 211 is operated, waste gas is conveyed into the purification box 23 to carry out water washing operation, after the water washing operation is finished, the waste gas can be purified continuously through the fine filter screen 252 and the adsorption layer 253, and the purified waste gas is continuously discharged into a room for indoor use along the tail end of the indoor pipe 292;
when the waste gas detector 295 detects that waste gas is not up to standard, the electromagnetic valve 293 works to drive the bent pipe 291 to be communicated with the outdoor pipe 294, so that the waste gas which is not up to standard is discharged to the outdoor waste gas treatment equipment along the outdoor pipe 294 to be subjected to further treatment operation, and the waste gas treatment equipment is convenient to use.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a purifier for fume chamber, includes fume chamber (1), its characterized in that: be provided with purifier (2) on fume chamber (1), purifier (2) are in including fixed mounting collection cover (20) on fume chamber (1) inner wall, the top fixed mounting who collects cover (20) has ventilation pipe (21), fixed mounting has fan (211) on the inner wall of ventilation pipe (21), the end of ventilation pipe (21) is provided with purifying box (23), be provided with the cavity that is used for carrying out washing to waste gas in purifying box (23), upward fixed mounting has mesh backup pad (25), soaks cotton (251), smart filter screen (252) and adsorbed layer (253) on the inner wall of purifying box (23) in proper order, the top of purifying box (23) is provided with the outward exhaust cover (29) of gas after being used for handling, the top fixed mounting of exhaust cover (29) has crooked pipe (291), fixed mounting has solenoid valve (293) on crooked pipe (291), one of solenoid valve (293) goes out water end fixed mounting has indoor pipe (292), another solenoid valve (293) goes out water end fixed mounting has outer tube (294) on the outer tube (29) of exhaust gas detector that detects.
2. The purification device for a fume hood according to claim 1, wherein: a cylindrical barrel (24) is fixedly arranged on one side plate body of the purifying box (23), the cylindrical barrel (24) is communicated with the purifying box (23) through a through hole (241), a vertical pipe (22) is fixedly arranged at the tail end of the ventilating pipe (21), and the vertical pipe (22) is positioned in the cylindrical barrel (24) and is in plug-in fit with the cylindrical barrel (24).
3. The purification device for a fume hood according to claim 2, wherein: the tail end of the ventilation pipe (21) is in flange connection with the top surface of the cylindrical barrel (24).
4. A fume hood purification device according to claim 3, wherein: the vertical pipe (22) is provided with a plurality of air outlet holes (221) for discharging air outwards.
5. The purification device for a fume hood according to claim 1, wherein: the top surface of purifying box (23) is last fixed mounting has top cap (231), fixed mounting has ventilative net (232) on top cap (231), discharge cover (29) cover is in ventilative net (232).
6. The purification device for a fume hood according to claim 5, wherein: an outer exhaust pipe (26) is fixedly arranged on the front side plate body of the purifying box (23), an adding pipe (27) is fixedly arranged on the front side plate body of the purifying box (23), and valves (28) are fixedly arranged on the outer exhaust pipe (26) and the adding pipe (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321356583.2U CN220028139U (en) | 2023-05-31 | 2023-05-31 | Purifying device for fume hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321356583.2U CN220028139U (en) | 2023-05-31 | 2023-05-31 | Purifying device for fume hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220028139U true CN220028139U (en) | 2023-11-17 |
Family
ID=88740691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321356583.2U Active CN220028139U (en) | 2023-05-31 | 2023-05-31 | Purifying device for fume hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220028139U (en) |
-
2023
- 2023-05-31 CN CN202321356583.2U patent/CN220028139U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |