CN219851286U - Laboratory mercury vapor purifying fume hood - Google Patents
Laboratory mercury vapor purifying fume hood Download PDFInfo
- Publication number
- CN219851286U CN219851286U CN202321033189.5U CN202321033189U CN219851286U CN 219851286 U CN219851286 U CN 219851286U CN 202321033189 U CN202321033189 U CN 202321033189U CN 219851286 U CN219851286 U CN 219851286U
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- China
- Prior art keywords
- adsorption
- fume hood
- ventilation
- mercury vapor
- groove
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- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 239000003517 fume Substances 0.000 title claims abstract description 29
- 238000009423 ventilation Methods 0.000 claims abstract description 94
- 238000001179 sorption measurement Methods 0.000 claims abstract description 59
- 229910052753 mercury Inorganic materials 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 238000000746 purification Methods 0.000 claims abstract description 18
- 239000002245 particle Substances 0.000 claims abstract description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 13
- 229910052717 sulfur Inorganic materials 0.000 claims description 12
- 239000011593 sulfur Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000004062 sedimentation Methods 0.000 claims description 8
- 238000001556 precipitation Methods 0.000 claims description 7
- 238000003556 assay Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000005429 filling process Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- QXKXDIKCIPXUPL-UHFFFAOYSA-N sulfanylidenemercury Chemical compound [Hg]=S QXKXDIKCIPXUPL-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000001075 voltammogram Methods 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model belongs to the field of laboratory detection and assay, and particularly relates to a laboratory mercury vapor purification fume hood, which comprises two side ventilation pipes, wherein one ends of the two side ventilation pipes are respectively communicated with two ends of a rear ventilation pipe, an exhaust mechanism is arranged on the rear ventilation pipe, through holes are formed in the side ventilation pipes and the rear ventilation pipe, and an adsorption mechanism is arranged in the side ventilation pipe and the rear ventilation pipe and is used for adsorbing mercury particles settled in the side ventilation pipe and the rear ventilation pipe.
Description
Technical Field
The utility model belongs to the field of laboratory detection and assay, and particularly relates to structural improvement of a laboratory mercury vapor purification fume hood.
Background
In the nickel smelting process, lead elements in raw materials such as produced mixed anode liquid, cobalt-removed liquid, new nickel electrolysis liquid and the like are often analyzed through a laboratory, a voltammetric polarograph is usually used, 99.999% of mercury is filled in a working electrode of the polarograph, trace evaporation can occur at normal temperature, the higher the temperature is, the faster the evaporation is, in addition, the electrode mercury volatilizes during filling, the mercury is commonly called mercury, the mercury is extremely toxic, and the content of the air reaches 1.0x10 -5 mg·L -1 In this case, poisoning may occur.
The weight of mercury vapor is 7 times that of air, and conventional fume hood can't trap it, and mercury particles pile up in fume hood air intake easily, are unfavorable for getting rid of the mercury particles in the laboratory air, and to this, it is necessary to design a special fume hood to purify and get rid of harmful mercury vapor effectively, protection assay personnel healthy.
Disclosure of Invention
The utility model aims to provide a laboratory mercury vapor purification fume hood, which solves the problems in the prior art.
In order to achieve the aim of the utility model, the utility model adopts the following technical scheme:
the laboratory mercury vapor purification fume hood comprises two side ventilation pipelines, wherein one ends of the two side ventilation pipelines are respectively communicated with two ends of a rear ventilation pipeline, and an exhaust mechanism is arranged on the rear ventilation pipeline;
the side ventilation pipeline and the rear ventilation pipeline are respectively provided with a through hole, and an adsorption mechanism is arranged in the side ventilation pipeline and the rear ventilation pipeline and used for adsorbing mercury particles settled in the side ventilation pipeline and the rear ventilation pipeline.
Further, the adsorption mechanism comprises an adsorption groove, the adsorption groove comprises a precipitation groove, and an adsorption layer is arranged in the precipitation groove.
Further, the adsorption layer comprises a sulfur layer and a water layer, and the water layer is positioned above the sulfur layer.
Further, the adsorption groove in the side ventilation pipeline is a side adsorption groove, and the adsorption groove in the rear ventilation pipeline is a rear adsorption groove;
two the one end and the back air pipe both ends fixed connection of side air pipe, the side air pipe is kept away from the one end of back air pipe sets up first opening, in order to be used for putting into the side adsorption groove, the one end of back air pipe sets up the second opening, in order to be used for putting into the back adsorption groove.
Further, two of the side adsorption tanks are located at both ends of the rear adsorption tank.
Further, the adsorption tank further comprises a baffle plate positioned at one end of the sedimentation groove, the baffle plate is matched with the first opening and the second opening, and the top height of the sedimentation groove is lower than the top inner wall of the side and rear ventilation pipeline.
Further, the exhaust mechanism comprises a vertical ventilation pipeline communicated with the rear ventilation pipeline, and a fan is arranged at the top of the vertical ventilation pipeline.
Further, the utility model also comprises a fume hood frame, and the side, rear and vertical ventilation pipes are fixedly arranged on the fume hood frame.
Further, the through holes on the rear ventilation duct are smaller than the through holes on the side ventilation ducts.
Further, the through holes on the rear ventilation pipeline are circular ventilation holes, and the through holes on the side ventilation pipelines are key-shaped ventilation holes.
The utility model has the following beneficial effects: compared with the prior art, the utility model utilizes the principle that the mercury density is greater than the air density, and the air containing mercury is rapidly pumped into the side and rear ventilation pipelines, so that mercury particles are adsorbed after dead weight settlement, thereby being capable of fully eliminating mercury vapor in the laboratory and protecting the health of test staff.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view in the direction A-A of FIG. 1;
FIG. 3 is a schematic diagram of an adsorption tank;
FIG. 4 is a schematic top view;
fig. 5 is a schematic diagram of the present utility model.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to fig. 1 to 5 of the embodiments of the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. The technical means used in the examples are conventional means well known to those skilled in the art unless otherwise indicated.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
Referring to fig. 1 and 2, a laboratory mercury vapor purification fume hood comprises two side ventilation pipes 5, wherein one ends of the two side ventilation pipes 5 are respectively communicated with two ends of a rear ventilation pipe 10, and an exhaust mechanism is arranged on the rear ventilation pipe 10;
the side ventilation duct 5 and the rear ventilation duct 10 are provided with through holes, and an adsorption mechanism is arranged inside the side ventilation duct 5 and the rear ventilation duct for adsorbing mercury particles settled in the side ventilation duct and the rear ventilation duct.
The purpose of the air exhaust mechanism is to create a negative pressure to draw in the air in the side ventilation duct 5 and the rear ventilation duct 10 and to let the outside air into the side and rear ventilation ducts through the through holes.
When the purification fume hood is specifically implemented, the purification fume hood is arranged in a laboratory, volatile mercury is generated in the working and mercury filling processes of a voltammogram polarograph in the laboratory, the volatile mercury is mercury vapor and is mixed with air in the laboratory, the air containing mercury in the laboratory enters side and rear ventilation pipelines by starting an exhaust mechanism, the density of the mercury is higher than that of the air, and then the mercury is settled in the side and rear ventilation pipelines and is adsorbed by an adsorption mechanism, so that the purification of the air in the laboratory is completed.
Further, the adsorption mechanism comprises an adsorption groove, the adsorption groove comprises a precipitation groove 15, and an adsorption layer is arranged in the precipitation groove 15.
Further, the adsorption layer comprises a sulfur layer 8 and a water layer 7, and the water layer 7 is positioned above the sulfur layer 8.
The sulfur layer 8 can be formed by paving sulfur powder in the precipitation groove 15, can react with mercury to form non-volatile mercury sulfide, timely purifies settled harmful mercury, and ensures that sulfur is not oxidized by adopting a water sealing mode of the water layer 7.
Further, the adsorption tank in the side ventilation duct 5 is a side adsorption tank 6, and the adsorption tank in the rear ventilation duct 10 is a rear adsorption tank 11;
two the one end of side air pipe 5 and back air pipe 10 both ends fixed connection, the side air pipe 5 is kept away from the one end of back air pipe 10 sets up first opening for put into side adsorption groove 6, the one end of back air pipe 10 sets up the second opening for put into back adsorption groove 11.
Further, two of the side adsorption tanks 6 are located at both ends of the rear adsorption tank 11.
As shown in fig. 4, the side adsorption tanks 6 and the rear adsorption tank 11 are distributed, and the dotted line parts in the figure are the side adsorption tanks 6 and the rear adsorption tank 11, and the two side adsorption tanks 6 are parallel and perpendicular to the rear adsorption tank 11 to form a -shaped structure together.
In addition, side air duct 5 and back air duct 10 integrated into one piece, first opening is located the one end that back air duct 10 was kept away from to side air duct 5, during the installation, can insert side adsorption groove 6 in the side air duct 5 through first opening with the gliding mode, insert back adsorption groove 11 in the back air duct 10 through the second opening with the male mode to realize the function of easy to assemble, and the maintenance of later stage, the bottom of side adsorption groove 6 and back adsorption groove 11 still can set up corresponding pulley in order to remove.
Further, the adsorption tank further comprises a baffle 14 positioned at one end of the sedimentation groove 15, the baffle 14 is matched with the first opening and the second opening, and the top height of the sedimentation groove 15 is lower than the top inner wall of the side and rear ventilation pipelines.
As shown in fig. 3, the height of the baffle 14 is higher than the height of the top end surface of the sedimentation groove 15, the baffle 14 is used for shielding the first opening and the second opening, and a handle 12 is arranged on one side of the baffle 14 away from the sedimentation groove 15.
Further, the exhaust mechanism comprises a vertical ventilation pipeline 9 communicated with the rear ventilation pipeline 10, and a fan 1 is arranged at the top of the vertical ventilation pipeline 9.
Specifically, the top of the vertical ventilation pipeline 9 can be connected with the fan 1 through the exhaust pipeline 2, the fan 1 is preferably an axial flow fan, and the exhaust direction of the fan 1 is upward.
Further, the utility model also comprises a fume hood frame 3, and side, rear and vertical ventilation pipes are fixedly arranged on the fume hood frame 3.
The fume hood frame 3 has a shell structure and aims to fix side, rear and vertical ventilation pipes.
Further, the through holes in the rear ventilation duct 10 are smaller than the through holes in the side ventilation duct 5.
Further, the through holes on the rear ventilation duct 10 are circular ventilation holes 4, and the through holes on the side ventilation duct 5 are key-shaped ventilation holes 13.
Specifically, the key vent hole 13, the circular vent hole 4 are located at the side surfaces of the side vent duct 5 and the rear vent duct 10, the key vent hole 13 is located at the opposite side of the two side vent ducts 5, the circular vent hole 4 is located at the inner side of the rear vent duct 10, and the key vent hole 13, the circular vent hole 4 are located above the adsorption groove.
The key-shaped ventilation holes 13 can form a larger effective ventilation area on the side ventilation pipeline 5, so that the air inlet quantity of the side ventilation pipeline 5 is larger than that of the rear ventilation pipeline 10, and the air inlet of the side ventilation pipeline 5 and the rear ventilation pipeline 10 can be more uniform due to the design that the air exhaust mechanism is arranged on the rear ventilation pipeline 10.
As shown in fig. 3, the principle of the present utility model is: 99.999% of mercury is filled in the working electrode of the voltammetric polarograph, volatile mercury can be generated in the using and filling process, and floating mercury vapor is sucked into a ventilation pipeline by the circular ventilation holes 4 and the key-shaped ventilation holes 13 and is discharged; because the density of mercury is relatively high, settled mercury can be generated, the settled mercury is adsorbed by sulfur and subjected to chemical reaction to form stable HgS at normal temperature, and the sulfur is sealed by water, so that the sulfur is not volatilized, and the sulfur and water are cleaned regularly.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications, variations, alterations, substitutions made by those skilled in the art to the technical solution of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the spirit of the design of the present utility model.
Claims (10)
1. A laboratory mercury vapor purification fume hood, characterized by: the air exhaust device comprises two side air pipelines (5), wherein one ends of the two side air pipelines (5) are respectively communicated with two ends of a rear air pipeline (10), and an air exhaust mechanism is arranged on the rear air pipeline (10);
the side ventilation pipeline (5) and the rear ventilation pipeline (10) are respectively provided with a through hole, and an adsorption mechanism is arranged in the side ventilation pipeline and the rear ventilation pipeline for adsorbing mercury particles settled in the side ventilation pipeline and the rear ventilation pipeline.
2. A laboratory mercury vapor purification fume hood according to claim 1, wherein: the adsorption mechanism comprises an adsorption groove, the adsorption groove comprises a precipitation groove (15), and an adsorption layer is arranged in the precipitation groove (15).
3. A laboratory mercury vapor purification fume hood according to claim 2, wherein: the adsorption layer comprises a sulfur layer (8) and a water layer (7), and the water layer (7) is positioned above the sulfur layer (8).
4. A laboratory mercury vapor purification fume hood according to claim 2, wherein: the adsorption groove in the side ventilation pipeline (5) is a side adsorption groove (6), and the adsorption groove in the rear ventilation pipeline (10) is a rear adsorption groove (11);
two the one end of side air pipe (5) and back air pipe (10) both ends fixed connection, the one end that side air pipe (5) kept away from back air pipe (10) sets up first opening, in order to be used for putting into side adsorption groove (6), the one end of back air pipe (10) sets up the second opening, in order to be used for putting into back adsorption groove (11).
5. A laboratory mercury vapor purification fume hood according to claim 4, wherein: the two side adsorption tanks (6) are positioned at two ends of the rear adsorption tank (11).
6. A laboratory mercury vapor purification fume hood according to claim 4, wherein: the adsorption tank further comprises a baffle (14) positioned at one end of the sedimentation groove (15), the baffle (14) is matched with the first opening and the second opening, and the top height of the sedimentation groove (15) is lower than the top inner wall of the side and rear ventilation pipeline.
7. A laboratory mercury vapor purification fume hood according to claim 1, wherein: the exhaust mechanism comprises a vertical ventilation pipeline (9) communicated with the rear ventilation pipeline (10), and a fan (1) is arranged at the top of the vertical ventilation pipeline (9).
8. A laboratory mercury vapor purification fume hood according to claim 7, wherein: the utility model also comprises a fume hood frame (3), and side, rear and vertical ventilation pipes are fixedly arranged on the fume hood frame (3).
9. A laboratory mercury vapor purification fume hood according to claim 1, wherein: the through holes on the rear ventilation duct (10) are smaller than the through holes on the side ventilation duct (5).
10. A laboratory mercury vapor purification fume hood according to claim 9, wherein: the through holes on the rear ventilation pipeline (10) are circular ventilation holes (4), and the through holes on the side ventilation pipelines (5) are key-shaped ventilation holes (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321033189.5U CN219851286U (en) | 2023-05-04 | 2023-05-04 | Laboratory mercury vapor purifying fume hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321033189.5U CN219851286U (en) | 2023-05-04 | 2023-05-04 | Laboratory mercury vapor purifying fume hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219851286U true CN219851286U (en) | 2023-10-20 |
Family
ID=88318177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321033189.5U Active CN219851286U (en) | 2023-05-04 | 2023-05-04 | Laboratory mercury vapor purifying fume hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219851286U (en) |
-
2023
- 2023-05-04 CN CN202321033189.5U patent/CN219851286U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240201 Address after: 737100 No. 2 Lanzhou Road, Beijing Road Street, Jinchuan District, Jinchang City, Gansu Province Patentee after: Jinchuan Group Nickel Cobalt Co.,Ltd. Country or region after: China Address before: 737199 Beijing Road, Jinchuan District, Jinchang City, Gansu Province Patentee before: JINCHUAN GROUP Co.,Ltd. Country or region before: China |