CN112222137A - Ventilation cabinet - Google Patents
Ventilation cabinet Download PDFInfo
- Publication number
- CN112222137A CN112222137A CN202011185945.7A CN202011185945A CN112222137A CN 112222137 A CN112222137 A CN 112222137A CN 202011185945 A CN202011185945 A CN 202011185945A CN 112222137 A CN112222137 A CN 112222137A
- Authority
- CN
- China
- Prior art keywords
- upper shell
- shell
- lifting platform
- air inlet
- air outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009423 ventilation Methods 0.000 title description 4
- 239000003517 fume Substances 0.000 claims abstract description 17
- 230000002285 radioactive effect Effects 0.000 claims abstract description 16
- 230000005855 radiation Effects 0.000 claims description 11
- 238000007664 blowing Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 239000005355 lead glass Substances 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 6
- 239000000523 sample Substances 0.000 claims description 6
- 230000003028 elevating effect Effects 0.000 claims description 4
- 238000005286 illumination Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000941 radioactive substance Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
- B08B15/023—Fume cabinets or cupboards, e.g. for laboratories
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/08—Radiation
- A61L2/10—Ultraviolet radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F7/00—Shielded cells or rooms
- G21F7/02—Observation devices permitting vision but shielding the observer
- G21F7/03—Windows, e.g. shielded
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F7/00—Shielded cells or rooms
- G21F7/04—Shielded glove-boxes
Landscapes
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Ventilation (AREA)
Abstract
The invention discloses a fume hood, which relates to the technical field of fume hoods and mainly comprises a main shell, wherein the main shell comprises an upper shell and a lower shell, and the upper shell is arranged on the lower shell; the front surface of the upper shell is provided with an observation window, and two operation gloves are arranged below the observation window; the bottom of the upper shell is provided with an air inlet, and the top of the upper shell is provided with an air outlet; the bottom of the upper shell is provided with a middle through hole, the lower shell is internally provided with a lifting platform, the lifting platform is positioned right below the middle through hole, and a radioactive source is placed on the lifting platform; the front side of the lower shell is provided with a switch door, so that the radioactive source can be conveniently taken and placed; and the bottom of the lower shell is provided with a travelling wheel. The radioactive source taking and placing device can be used for conveniently taking and placing the radioactive source and can avoid leakage of harmful substances.
Description
Technical Field
The invention relates to the technical field of fume hoods, in particular to a fume hood.
Background
Currently, radioactive substances are widely applied to various fields such as production, scientific research, medical treatment, biology, laboratories and the like, and particularly as medicines, the radioactive substances are widely applied to clinical applications at home and abroad, such as the isotopes I-131 and F-18. However, these nuclides have the characteristics of high energy, relatively long half-life period, easy oxidation, easy volatilization and adsorption, so that the nuclides need to be solved by a good purification, protection and waste gas discharge system in the links and processes of production, preparation, subpackaging, use and the like of the medicines.
The existing fume hood is usually made of stainless steel, a lead plate is arranged in the fume hood for protection, lead glass is arranged on the front side of the fume hood and serves as an observation window and a door, but the lead glass is heavy and is difficult to open by an operator, so that the weight of the fume hood is increased; moreover, the existing ventilation cabinet has the problem of untight sealing, so that harmful substances are easy to leak, and the personal safety of operators is directly influenced.
Therefore, it is desirable to provide a new fume hood to solve the above problems in the prior art.
Disclosure of Invention
In order to solve the technical problems, the invention provides the ventilation cabinet which not only can be used for conveniently taking and placing the radioactive source into the upper shell, but also can be used for avoiding the leakage of harmful substances.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a fume hood, which comprises a main shell, wherein the main shell comprises an upper shell and a lower shell, and the upper shell is arranged on the lower shell; the front surface of the upper shell is provided with an observation window, and two operation gloves are arranged below the observation window; the bottom of the upper shell is provided with an air inlet, and the top of the upper shell is provided with an air outlet; the bottom of the upper shell is provided with a middle through hole, the lower shell is internally provided with a lifting platform, the lifting platform is positioned right below the middle through hole, and a radioactive source is placed on the lifting platform; the front side of the lower shell is provided with a switch door, so that the radioactive source can be conveniently taken and placed; and the bottom of the lower shell is provided with a travelling wheel.
Preferably, the inner side of the upper shell is provided with a lead lining layer, the observation window is arranged on the lead lining layer and is made of lead glass.
Preferably, the handling glove is a lead glove.
Preferably, the top in the upper shell is provided with a lighting lamp and an ultraviolet lamp.
Preferably, be provided with a radiation monitoring probe in the upper casing, the front of upper casing is provided with a display screen, the display screen is used for showing the radiation condition in the upper casing that radiation monitoring probe monitored.
Preferably, the air inlet is connected with an air inlet fan through an air inlet pipe, and an air inlet filter is arranged on the air inlet pipe; the air outlet is connected with an air outlet fan through an air outlet pipe, and an air outlet filter is arranged on the air outlet pipe.
Preferably, the lifting platform is mounted at the inner bottom of the lower shell through a telescopic device, and the telescopic device adopts a hydraulic cylinder.
Preferably, the middle part of the lifting platform is provided with an annular mounting platform, and the mounting platform is used for placing a radioactive source; the outer edge of the mounting table is provided with a plurality of blowing devices.
Preferably, the upper surface of the lifting platform and the lower surface of the upper shell are correspondingly provided with tooth-shaped parts; and a flexible sealing gasket is arranged on the tooth-shaped part on the upper surface of the lifting platform.
Compared with the prior art, the invention has the following technical effects:
according to the radiation-proof device, an operator can put the radiation-proof vessel containing the radioactive source on the lifting table and then lift the lifting table, so that the opening and closing of a lead glass door in the prior art are avoided, and articles can be conveniently taken and placed;
the part of the lifting platform, which is contacted with the upper shell, is provided with a toothed part, so that the sealing effect can be enhanced, the leakage of harmful substances is avoided, and the toothed part on the upper surface of the lifting platform is provided with a flexible sealing gasket, so that the sealing effect is further improved, and the buffering is realized;
the outer edge of the mounting table is provided with a plurality of blowing devices to prevent harmful gas from flowing out from the space between the mounting table and the upper shell;
an air inlet filter is arranged on the air inlet pipe, so that impurities such as dust in inlet air are removed, and the influence is reduced;
the bottom of lower casing is provided with the walking wheel, realizes portable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic structural view of a fumehood of the present invention;
fig. 2 is a schematic side view of the upper housing according to the present invention.
In the figure: 1. an upper housing; 2. a lower housing; 3. an observation window; 4. operating gloves; 5. an air inlet; 6. a display screen; 7. a traveling wheel; 8. a telescoping device; 9. an installation table; 10. a blowing device; 11. a flexible gasket; 12. a middle through hole; 13. an ultraviolet lamp; 14. an illuminating lamp; 15. an air outlet filter; 16. an air outlet fan.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1-2, the present embodiment provides a fume hood, including a main housing, where the main housing includes an upper housing 1 and a lower housing 2, and the upper housing 1 is fixedly disposed above the lower housing 2; the front surface of the upper shell 1 is provided with an observation window 3, so that an operator can conveniently observe working conditions in the upper shell 1, two operation gloves 4 are arranged below the observation window 3, and the operator can put hands into the operation gloves 4 to treat a radioactive source; wherein, the observation window 3 is made of lead glass, and the operation glove 4 is a lead glove; the bottom of the upper shell 1 is provided with an air inlet 5, and the top of the upper shell is provided with an air outlet. The bottom of the upper shell 1 is provided with a middle through hole 12, the lower shell 2 is internally provided with a lifting platform, the lifting platform is positioned right below the middle through hole 12 and is used for placing a radioactive source, and when the lifting platform works, the radioactive source enters the upper shell 1 by lifting the lifting platform so as to be convenient for an operator to operate; the front side of the lower shell 2 is provided with a switch door, so that the radioactive source can be conveniently taken and placed; and a walking wheel 7 is arranged at the bottom of the lower shell 2, wherein the walking wheel 7 preferably adopts a universal wheel and is provided with a self-locking device.
Preferably, the upper shell 1 is made of stainless steel materials, a lead lining layer is arranged on the inner side of the upper shell, and the observation window 3 is arranged on the lead lining layer.
Preferably, the top inside the upper shell 1 is provided with an illuminating lamp 14 and an ultraviolet lamp 13.
Preferably, a radiation monitoring probe is arranged in the upper shell 1, a display screen 6 is arranged on the front surface of the upper shell 1, and the display screen 6 is used for displaying the radiation condition monitored by the radiation monitoring probe in the upper shell 1; wherein, a barometer can be arranged in the upper shell 1 according to the requirement.
Preferably, the air inlet 5 is connected with an air inlet fan through an air inlet pipe, and an air inlet filter is arranged on the air inlet pipe; the air outlet is connected with an air outlet fan 16 through an air outlet pipe, and an air outlet filter 15 is arranged on the air outlet pipe; wherein, air inlet filter and air-out filter 15 select as required, the air inlet filter adopt conventional coarse filter can for filter impurity such as dust in the air, and air-out filter 15 then can adopt the active carbon filter screen, adsorbs harmful substance.
Preferably, the lifting platform is installed at the inner bottom of the lower shell 2 through a telescopic device 8, the telescopic device 8 adopts a hydraulic cylinder, and the lifting platform is controlled to lift through the hydraulic cylinder.
Preferably, the middle part of elevating platform is provided with annular mount table 9, mount table 9 protrusion elevating platform sets up, is used for placing the radiation source on it, and the size shape of annular mount table 9 matches with middle through-hole 12. Furthermore, the upper surface of the lifting platform and the lower surface of the upper shell 1 are correspondingly provided with tooth-shaped parts; the tooth-shaped part on the upper surface of the lifting platform is provided with a flexible sealing gasket 11 which is made of flexible materials such as rubber and the like, and the flexible sealing gasket is used for buffering while sealing. The lifting platform is made of metal lead, and the part of the bottom of the upper shell 1, which is contacted with the lifting platform, can also be made of metal lead.
When the device works, an operator opens the switch door of the lower shell 2 to place the radiation-proof vessel on the lifting platform, and the lifting device is started to drive the lifting platform to ascend, so that the upper surface of the lifting platform is meshed with the tooth-shaped part on the lower surface of the upper shell 1 to be in close contact with the tooth-shaped part; then select to start air inlet fan and air outlet fan 16 as required, operating personnel's both hands stretch into and operate in the operation gloves 4 to observe through observation window 3, and notice the radiation condition that display screen 6 shows. The illuminating lamp 14 can be turned on when illumination is needed, and the ultraviolet lamp 13 is turned on when the ultraviolet lamp 13 is needed to irradiate in the operation process.
In this embodiment, the contact position department of switch door and lower casing 2 can also set up sealed the pad, further improves sealed effect.
Example two
The embodiment is an improvement on the basis of the first embodiment, and the improvement is as follows: a plurality of air blowing devices 10 are arranged at the outer edge of the mounting table 9; wherein, the blowing device 10 can be selected according to the requirement, such as selecting a micro fan or an air nozzle; the blowing device 10 blows air to blow harmful substances upwards to prevent leakage.
Wherein, a filter screen can be arranged above the blowing device 10 to prevent solid impurities from entering the blowing device.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (9)
1. A fume chamber is characterized by comprising a main housing, wherein the main housing comprises an upper housing and a lower housing, and the upper housing is arranged on the lower housing; the front surface of the upper shell is provided with an observation window, and two operation gloves are arranged below the observation window; the bottom of the upper shell is provided with an air inlet, and the top of the upper shell is provided with an air outlet; the bottom of the upper shell is provided with a middle through hole, the lower shell is internally provided with a lifting platform, the lifting platform is positioned right below the middle through hole, and a radioactive source is placed on the lifting platform; the front side of the lower shell is provided with a switch door, so that the radioactive source can be conveniently taken and placed; and the bottom of the lower shell is provided with a travelling wheel.
2. The fume hood according to claim 1, wherein a lead lining layer is arranged on the inner side of the upper shell, the observation window is arranged on the lead lining layer, and the observation window is made of lead glass.
3. A fumehood according to claim 1 wherein said handling gloves are lead gloves.
4. A fumehood according to claim 1 wherein an illumination lamp and an ultraviolet lamp are provided at the top within said upper housing.
5. The fume hood according to claim 1, wherein a radiation monitoring probe is disposed in the upper shell, and a display screen is disposed on a front surface of the upper shell, and the display screen is used for displaying radiation conditions in the upper shell monitored by the radiation monitoring probe.
6. The fume hood according to claim 1, wherein the air inlet is connected with an air inlet fan through an air inlet pipe, and an air inlet filter is arranged on the air inlet pipe; the air outlet is connected with an air outlet fan through an air outlet pipe, and an air outlet filter is arranged on the air outlet pipe.
7. A fumehood according to claim 1 wherein said elevating platform is mounted to the inner bottom of said lower shell by a telescopic means, said telescopic means employing a hydraulic cylinder.
8. A fume hood according to claim 7, characterized in that the middle of the lifting platform is provided with an annular mounting platform on which a radioactive source is placed; the outer edge of the mounting table is provided with a plurality of blowing devices.
9. A fume hood according to claim 8 wherein the upper surface of the elevating platform is provided with a toothed portion corresponding to the lower surface of the upper housing; and a flexible sealing gasket is arranged on the tooth-shaped part on the upper surface of the lifting platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011185945.7A CN112222137A (en) | 2020-10-28 | 2020-10-28 | Ventilation cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011185945.7A CN112222137A (en) | 2020-10-28 | 2020-10-28 | Ventilation cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112222137A true CN112222137A (en) | 2021-01-15 |
Family
ID=74122937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011185945.7A Pending CN112222137A (en) | 2020-10-28 | 2020-10-28 | Ventilation cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112222137A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113926821A (en) * | 2021-09-04 | 2022-01-14 | 蔡玲 | Do benefit to storage biological medicine experiment fume chamber |
| CN116140321A (en) * | 2023-03-06 | 2023-05-23 | 广西艾科普高新技术有限公司 | Laboratory does not have pipeline ventilation equipment |
-
2020
- 2020-10-28 CN CN202011185945.7A patent/CN112222137A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113926821A (en) * | 2021-09-04 | 2022-01-14 | 蔡玲 | Do benefit to storage biological medicine experiment fume chamber |
| CN113926821B (en) * | 2021-09-04 | 2023-12-29 | 杭州塘树科技有限公司 | Do benefit to storage biological medicine experiment fume chamber |
| CN116140321A (en) * | 2023-03-06 | 2023-05-23 | 广西艾科普高新技术有限公司 | Laboratory does not have pipeline ventilation equipment |
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