CN112355014B - Laboratory is with fume chamber that has disinfection filtering capability convenient to detach clearance - Google Patents
Laboratory is with fume chamber that has disinfection filtering capability convenient to detach clearance Download PDFInfo
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- CN112355014B CN112355014B CN202011114180.8A CN202011114180A CN112355014B CN 112355014 B CN112355014 B CN 112355014B CN 202011114180 A CN202011114180 A CN 202011114180A CN 112355014 B CN112355014 B CN 112355014B
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- glass door
- laboratory
- collecting cover
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- 238000001914 filtration Methods 0.000 title claims abstract description 40
- 239000003517 fume Substances 0.000 title claims abstract description 35
- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 20
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000007789 gas Substances 0.000 claims abstract description 28
- 229920000742 Cotton Polymers 0.000 claims abstract description 21
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 6
- 239000011521 glass Substances 0.000 claims description 48
- 230000001360 synchronised effect Effects 0.000 claims description 19
- 238000009423 ventilation Methods 0.000 claims description 13
- 238000004140 cleaning Methods 0.000 claims description 4
- 239000004484 Briquette Substances 0.000 claims description 2
- 239000002912 waste gas Substances 0.000 abstract description 28
- 239000000428 dust Substances 0.000 abstract description 8
- 239000012535 impurity Substances 0.000 abstract description 6
- 241000894006 Bacteria Species 0.000 abstract description 4
- 239000000084 colloidal system Substances 0.000 abstract description 4
- 239000003344 environmental pollutant Substances 0.000 abstract description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 4
- 239000011707 mineral Substances 0.000 abstract description 4
- 231100000719 pollutant Toxicity 0.000 abstract description 4
- 230000001954 sterilising effect Effects 0.000 abstract description 4
- 239000002245 particle Substances 0.000 abstract description 3
- 239000000796 flavoring agent Substances 0.000 abstract description 2
- 235000019634 flavors Nutrition 0.000 abstract description 2
- -1 smog Substances 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 238000012360 testing method Methods 0.000 description 7
- KUBDPQJOLOUJRM-UHFFFAOYSA-N 2-(chloromethyl)oxirane;4-[2-(4-hydroxyphenyl)propan-2-yl]phenol Chemical compound ClCC1CO1.C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 KUBDPQJOLOUJRM-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000005086 pumping Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000036512 infertility Effects 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0002—Casings; Housings; Frame constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/30—Particle separators, e.g. dust precipitators, using loose filtering material
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Filtering Materials (AREA)
- Devices For Use In Laboratory Experiments (AREA)
Abstract
The invention discloses a ventilating cabinet with a sterilizing and filtering function and convenient to detach and clean for a laboratory, and relates to the technical field of ventilating cabinets for laboratories. This fume chamber with disinfection filtering capability convenient to detach clearance is provided with filter equipment in laboratory, but the cotton filter core of PP in the filter equipment is greater than five microns of diameter dust particle, colloid impurity and organic pollution mineral substance debris etc. in the filterable gas, and HEPA filter screen can cooperate the active carbon net to carry out thoroughly efficient filtration to pollutants such as smog, dust and bacterium in the waste gas and remove the flavor, makes the waste gas after its filtration reach emission standard, has avoided polluting the environment after the emission.
Description
Technical Field
The invention relates to the technical field of ventilation cabinets for laboratories, in particular to a ventilation cabinet with a disinfection and filtration function and convenient to detach and clean for the laboratory.
Background
The fume hood is an indispensable kind of laboratory furniture, plays the efficiency of airing exhaust and taking a breath in the laboratory, and the people stands or sits before the cabinet when using, and with the glass door as far as possible lowing, the hand stretches into in the cabinet through the door down and carries out the experiment, because the exhaust fan is inwards extracted through the door of opening, harmful gas can not spill over in a large amount under the normal condition, but the fume hood is usually just with gaseous discharge through handling, very easy pollution environment, so a laboratory is with the fume hood that has disinfection filtering capability convenient to detach clearance.
The fume chamber on the market at present is at the in-process of the laboratory waste gas of emission usually not carrying out disinfection filtration treatment to the waste gas of emission to lead to exhaust gas pollution environment, and experimental waste gas more or less can reveal through glass door gap department at the in-process of experiment, brings the potential safety hazard to the experimenter easily, to above-mentioned condition, we have proposed a laboratory with the fume chamber that has disinfection filtration function convenient to detach clearance.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a ventilating cabinet with a sterilizing and filtering function and convenient to detach and clean for a laboratory, which solves the problems that the ventilating cabinet on the market at present does not generally perform sterilizing and filtering treatment on the discharged waste gas in the process of discharging laboratory waste gas in the prior art, so that the discharged gas pollutes the environment, and the experimental waste gas leaks more or less through a glass door gap in the experimental process, so that potential safety hazards are easily brought to experimental staff.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a laboratory is with fume chamber that has disinfection filter function convenient to detach clearance, includes main part and step motor, the main part outer wall is provided with control panel, and the inner wall of main part is settled there is the guide plate, the induction port has been seted up to the surface of guide plate, and the ultraviolet lamp has been settled to guide plate outer wall upper end, the clearance department of guide plate and main part is provided with the water conservancy diversion chamber, and the top in water conservancy diversion chamber is located the upper surface department of main part and has settled the gas collecting channel, the water conservancy diversion chamber lower extreme is connected with connecting tube, and connecting tube's end is located main part internal surface department and has been seted up down the notch, gas collecting channel upper end is provided with filter equipment, and the filter equipment upper end is connected with the blast pipe, step motor settles in the inside upper end of main part and keep away from the one of guide plate, and step motor end-to-end connection has synchronous chain, synchronous chain is kept away from a side end connection of guide plate and has first glass door, and the synchronous chain other end is connected with the second glass door, the operation mouth has been seted up to the second glass door outer wall, and the operation mouth end is provided with the sleeve.
Optionally, the guide plate is of an inclined structure, the outer surface of the guide plate is provided with the air suction port in a staggered distribution mode, and the vertical center line of the guide plate is overlapped with the vertical center line of the ultraviolet lamp.
Optionally, the gas-collecting hood forms a communicating structure with the connecting pipeline through the diversion cavity, and forms a fixed structure with the main body.
Optionally, filter equipment includes filtering shell, screw thread mouth, takes out board, the cotton filter core of PP, rubber strip, slider, HEPA filter screen and active carbon net, and filtering shell upper and lower both ends are provided with the screw thread mouth, filtering shell inside arrangement has to take out the board, and takes out the inside cotton filter core that is provided with of board, the cotton filter core outer wall of PP is provided with the rubber strip, both ends are provided with the slider about the cotton filter core of PP, and PP cotton filter core top arrangement has the HEPA filter screen, HEPA filter screen top is provided with the active carbon net.
Optionally, the drawing board forms a movable structure through between the sliding block and the filtering shell, the sliding block is symmetrically distributed about the vertical central line of the drawing board, and the outer surface of the drawing board is net-shaped.
Optionally, the connection mode between rubber strip and the filtration casing is the bonding, and the rubber strip is followed the board surface and is taken out the board surface and highly progressively increases from inside to outside, filters between casing and the blast pipe moreover and be threaded connection.
Optionally, the HEPA filter screen and the activated carbon screen are distributed in parallel, and the activated carbon screen is in a honeycomb briquette shape.
Optionally, a lifting structure is formed between the second glass door and the stepping motor through a synchronous chain, and the second glass door is movably connected with the first glass door.
Optionally, the oversleeves are symmetrically distributed about the vertical center line of the second glass door, the oversleeves are flexible structures, and ventilation openings are uniformly distributed on the outer surface of the lower end of the second glass door.
The invention provides a ventilating cabinet with a sterilizing and filtering function and convenient to detach and clean for a laboratory, which has the following beneficial effects:
1. this fume chamber with disinfection filtering capability convenient to detach clearance is provided with filter equipment in laboratory, but the cotton filter core of PP in the filter equipment filters the dust granule that the diameter is greater than five microns in the gaseous, colloid impurity and organic pollution mineral substance debris etc. the HEPA filter screen can cooperate the active carbon net to carry out thoroughly efficient filtration to pollutants such as smog, dust and bacterium in the waste gas and remove the flavor, makes the waste gas after its filtration reach emission standard, has avoided environmental pollution.
2. This laboratory is with fume chamber that has disinfection filter function convenient to detach clearance, takes out board accessible slider and filtration casing and dismantle the separation to change the processing to its inside filter core, with guarantee its subsequent filter effect, and be equipped with the rubber strip that highly increases from interior to exterior along taking out the board surface, be favorable to improving the leakproofness of taking out after the board inserts, prevent that experimental waste gas from revealing and causing secondary pollution.
3. This laboratory is with fume chamber that has disinfection filter function convenient to detach clearance, when the gas collecting channel absorbs fume chamber inside waste gas through the water conservancy diversion chamber, also cooperates the connecting line of its lower extreme to extract the gas that the main part internal surface is close to the glass window direction through notch down to further prevent that experimental waste gas can not reveal away from glass window gap department, guaranteed laboratory personnel's safety, fume chamber's mesa, welt, curb plate, guide plate etc. all have anticorrosive function, in order to improve fume chamber holistic life.
4. This laboratory is with fume chamber that has disinfection filter function convenient to detach clearance, second glass door external surface is provided with operation mouth and oversleeve, can make the operation personnel when carrying out comparatively dangerous experiment, can stretch into the fume chamber with the hand through the operation mouth in operate, is flexible construction's oversleeve has improved operation personnel's flexibility greatly, and the oversleeve adopts and tightens up mouthful design for the condition that the waste gas can not exist in the operation process and reveal.
5. This laboratory is with fume chamber that has disinfection filtering capability convenient to detach clearance, the suction port that the slope form guide plate cooperation external surface of setting was seted up and the notch down of casing internal surface can effectively carry out the efficient absorption to the inside experimental waste gas of fume chamber, can not pollute the environment after absorbing through filter equipment's filtration after having guaranteed exhaust gas discharge, the operation of full-closed type is carried out to accessible operation mouth and sleeve in the test process, further guaranteed laboratory personnel's safety, the device wholly has embodied green, the high standard of factor of safety.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view of a filter device according to the present invention;
FIG. 4 is a schematic view of the structure of the PP cotton filter element according to the invention;
fig. 5 is an enlarged schematic view of the structure of fig. 1 a according to the present invention.
In the figure: 1. a main body; 2. a control panel; 3. a deflector; 4. an air suction port; 5. an ultraviolet lamp; 6. a diversion cavity; 7. a gas collecting hood; 8. a connecting pipeline; 9. a lower notch; 10. a filtering device; 1001. a filter housing; 1002. a threaded port; 1003. drawing a plate; 1004. PP cotton filter core; 1005. a rubber strip; 1006. a slide block; 1007. HEPA filter screen; 1008. an activated carbon net; 11. an exhaust pipe; 12. a stepping motor; 13. a synchronous chain; 14. a first glass door; 15. a second glass door; 16. an operation port; 17. a sleeve; 18. and (5) a ventilation opening.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments.
In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and to simplify the description, 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 therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 5, the present invention provides a technical solution: a laboratory fume chamber with convenient disassembly and cleaning of disinfection and filtration functions comprises a main body 1 and a stepping motor 12, wherein a control panel 2 is arranged on the outer wall of the main body 1, a guide plate 3 is arranged on the inner wall of the main body 1, an air suction port 4 is formed in the outer surface of the guide plate 3, an ultraviolet lamp 5 is arranged at the upper end of the outer wall of the guide plate 3, the guide plate 3 is of an inclined structure, the air suction port 4 is distributed on the outer surface of the guide plate 3 in a staggered manner, the vertical center line of the guide plate 3 coincides with the vertical center line of the ultraviolet lamp 5, the inclined guide plate 3 is matched with the air suction port 4 formed in the outer surface of the guide plate 3 to effectively absorb test waste gas in the fume chamber, and the ultraviolet lamp 5 arranged at the upper end of the guide plate 3 is convenient to disinfect the inside the fume chamber in advance before a test, so that the sterility of the internal environment of the fume chamber is ensured, and the test effect is better;
the gap between the air deflector 3 and the main body 1 is provided with an air deflector 6, the upper surface of the air deflector 6 is provided with an air collecting cover 7 above the main body 1, the lower end of the air deflector 6 is connected with a connecting pipeline 8, the tail end of the connecting pipeline 8 is positioned at the inner surface of the main body 1 and is provided with a lower notch 9, the air collecting cover 7 forms a communicated structure with the connecting pipeline 8 through the air deflector 6, a fixed structure is formed between the air collecting cover 7 and the main body 1, the air collecting cover 7 sucks the waste gas in the ventilation cabinet through the air deflector 6 and simultaneously sucks the gas in the direction close to the glass window through the lower notch 9 in cooperation with the connecting pipeline 8 at the lower end of the air collecting cover, so that the test waste gas is further prevented from leaking out from the gap of the glass window, the safety of an experimenter is ensured, the table top, the lining board, the side board, the air deflector 3 and the like of the ventilation cabinet have anti-corrosion functions, and the whole service life of the ventilation cabinet is prolonged;
the upper end of the gas collecting hood 7 is provided with a filter device 10, the upper end of the filter device 10 is connected with an exhaust pipe 11, the filter device 10 comprises a filter shell 1001, a threaded opening 1002, a drawing board 1003, a PP cotton filter core 1004, rubber strips 1005, a sliding block 1006, a HEPA filter screen 1007 and an activated carbon screen 1008, the threaded opening 1002 is arranged at the upper end and the lower end of the filter shell 1001, the drawing board 1003 is arranged in the filter shell 1001, a PP cotton filter core 1004 is arranged in the drawing board 1003, the rubber strips 1005 are arranged on the outer wall of the PP cotton filter core 1004, the sliding block 1006 is arranged at the left end and the right end of the PP cotton filter core 1004, the HEPA filter screen 1007 is arranged above the PP cotton filter core 1004, the activated carbon screen 1008 is arranged above the HEPA filter screen 1007, the drawing board 1003 forms a movable structure with the filter shell 1001 through the sliding block, the sliding block 1006 is symmetrically distributed about the vertical center line of the drawing board 1003, the outer surface of the drawing board 1003 is in a screen opening shape, the rubber strips 1005 are bonded with the filter housing 1001, the rubber strips 1005 are gradually increased in height from inside to outside along the outer surface of the drawing plate 1003, the filter housing 1001 is in threaded connection with the exhaust pipe 11, the HEPA filter screen 1007 and the activated carbon net 1008 are distributed in parallel, the activated carbon net 1008 is honeycomb briquette-shaped, the waste gas sucked by the gas collecting hood 7 is filtered and sterilized in the filter housing 1001, the PP cotton filter core 1004 in the drawing plate 1003 can filter dust particles, colloid impurities, organic pollutant mineral impurities and the like with the diameter larger than five micrometers in the gas, the drawing plate 1003 can be detached and separated from the filter housing 1001 through the sliding block 1006, so that the filter core in the drawing plate 1003 is replaced, the subsequent filtering effect is ensured, the rubber strips 1005 with the increased height are arranged outside from inside along the outer surface of the drawing plate 1003, and the sealing performance after the drawing plate 1003 is inserted is improved, the secondary pollution caused by leakage of experimental waste gas is prevented, the HEPA filter screen 1007 can be matched with the activated carbon screen 1008 to thoroughly and efficiently filter and remove pollutants such as smoke, dust, bacteria and the like in the waste gas, so that the filtered waste gas reaches the emission standard, and the environmental pollution is avoided;
the stepping motor 12 is arranged at one side of the upper end of the inside of the main body 1 far away from the guide plate 3, the tail end of the stepping motor 12 is connected with the synchronous chain 13, one side of the synchronous chain 13 far away from the guide plate 3 is connected with the first glass door 14, the other end of the synchronous chain 13 is connected with the second glass door 15, the outer wall of the second glass door 15 is provided with a working opening 16, the tail end of the working opening 16 is provided with a sleeve 17, the lower end of the second glass door 15 is provided with a vent 18, the second glass door 15 forms a lifting structure with the stepping motor 12 through the synchronous chain 13, the second glass door 15 is movably connected with the first glass door 14, the sleeve 17 is symmetrically distributed about the vertical center line of the second glass door 15, the sleeve 17 is of a flexible structure, the outer surface of the lower end of the second glass door 15 is uniformly distributed with the vent 18 during the use, the control panel 2 can control the stepping motor 12 to drive the roller to drive the synchronous chain 13 connected with the roller to pull the glass door, the first glass door 14 and the second glass door 15 can realize up-down synchronous motion by the drive of the synchronous chain 13, the possibility of exhaust gas leakage during door opening is reduced, the outer surface of the second glass door 15 is provided with the operation opening 16 and the sleeve 17, when an operator performs a dangerous test, the operator can stretch the hand into the ventilation cabinet through the operation opening 16 to operate, the sleeve 17 with a flexible structure greatly improves the flexibility of the operator, the sleeve 17 adopts a tightening opening design, so that the condition of exhaust gas leakage cannot exist in the operation process, and the ventilation opening 18 formed on the outer surface of the lower end of the second glass door 15 can further ensure that no large negative pressure is generated in the ventilation cabinet, so that the operator can extract the exhaust gas normally.
In sum, this laboratory is with fume chamber that has disinfection filtering capability convenient to detach clearance, during the use, at first open the inside ultraviolet lamp 5 of fume chamber, thereby carry out disinfection treatment in advance to fume chamber inside, thereby guarantee fume chamber internal environment's aseptic, make test effect better, then blast pipe 11 is through filter equipment 10 and gas collecting hood 7 absorb fume chamber inside gas, gas collecting hood 7 is through the suction of water conservancy diversion chamber 6 to fume chamber inside waste gas, also cooperate connecting tube 8 of its lower extreme to the gas extraction near the glass window direction of main part 1 internal surface through notch 9 down, thereby further prevent that experimental waste gas can not reveal away from glass window gap, the safety of experimenter has been guaranteed, the mesa of fume chamber, the welt, the curb plate, guide plate 3 etc. all have anticorrosive function, in order to improve fume chamber holistic life, the waste gas sucked by the gas collecting hood 7 is filtered and sterilized in the filtering shell 1001, the PP cotton filter core 1004 in the pumping plate 1003 can filter dust particles, colloid impurities, organic pollution mineral impurities and the like with the diameter larger than five microns in the gas, the pumping plate 1003 can be detached and separated from the filtering shell 1001 through the sliding block 1006, so that the filter core in the pumping plate 1003 can be replaced, the subsequent filtering effect is ensured, the rubber strips 1005 with gradually increased heights are arranged from inside to outside along the outer surface of the pumping plate 1003, the sealing performance after the pumping plate 1003 is improved, the secondary pollution caused by leakage of experimental waste gas is prevented, the HEPA filter screen 1007 can be matched with the activated carbon net 1008 to thoroughly and efficiently filter and remove pollutants such as smoke, dust and bacteria in the waste gas, the filtered waste gas reaches the emission standard, the environmental pollution is avoided, the control panel 2 can control the stepping motor 12 to drive the roller to drive the synchronous chain 13 connected with the roller to pull the glass door, the first glass door 14 and the second glass door 15 can realize up-down synchronous motion by the drive of the synchronous chain 13, the possibility of exhaust gas leakage during door opening is reduced, the outer surface of the second glass door 15 is provided with the operation opening 16 and the sleeve 17, when a dangerous experiment is carried out by an operator, the operator can stretch the operator into the ventilation cabinet through the operation opening 16 to operate, the sleeve 17 with a flexible structure greatly improves the flexibility of the operator, the sleeve 17 adopts a tightening opening design, so that the condition of exhaust gas leakage cannot exist in the operation process, and finally, the vent 18 arranged on the outer surface of the lower end of the second glass door 15 can further ensure that no large negative pressure is generated in the ventilation cabinet, so that the operator can extract exhaust gas normally.
The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.
Claims (4)
1. Laboratory is with fume chamber that has disinfection filter function convenient to detach clearance, including main part (1) and step motor (12), its characterized in that: the utility model discloses a ventilator, including main part (1) and air-collecting cover (7) that is located in the upper surface department of main part (1), air-suction port (4) has been seted up to the inner wall of main part (1), and air-ultraviolet lamp (5) has been settled to air-collecting cover (3) outer wall upper end, air-suction port (4) has been misplaced to air-suction plate (3) outer surface, and vertical central line of air-suction plate (3) coincides with the vertical central line of ultraviolet lamp (5) in addition, air-collecting cover (7) is provided with air-collecting chamber (6) in the clearance department of air-collecting plate (3) and main part (1), and the upper surface department of main part (1) has settled gas-collecting cover (7), air-collecting cover (7) are located the top of air-collecting chamber (6), air-collecting chamber (6) lower extreme is connected with connecting pipeline (8), and the end of connecting pipeline (8) communicates with lower notch (9) that are located main part (1) inner surface department and set up, air-collecting cover (7) constitute communicating form the form structure between air-collecting cover (7) and connecting pipeline (8) and air-collecting cover (7) and the inside through fixed structure that absorbs air-collecting cover (6) simultaneously, the connecting pipeline (8) at the lower end of the matching diversion cavity (6) is matched to extract gas in the direction of the glass window on the inner surface of the main body (1) through the lower notch (9), the upper end of the gas collecting cover (7) is provided with a filtering device (10), the upper end of the filtering device (10) is connected with an exhaust pipe (11), the stepping motor (12) is arranged at the upper end inside the main body (1) and far away from one side of the diversion plate (3), the tail end of the stepping motor (12) is connected with a synchronous chain (13), one side of the synchronous chain (13) far away from the diversion plate (3) is connected with a first glass door (14), the other end of the synchronous chain (13) is connected with a second glass door (15), a lifting structure is formed between the second glass door (15) and the first glass door (14) through the synchronous chain (13), the outer wall of the second glass door (15) is provided with an operation opening (16), the tail end of the operation opening (16) is provided with a sleeve (17), the second glass door (15) is provided with a flexible sleeve structure which is in a vertical distribution mode, the second glass door (17) is provided with a sleeve structure, and ventilation openings (18) are uniformly distributed on the outer surface of the lower end of the second glass door (15).
2. A laboratory fume hood with disinfection and filtration functions for easy disassembly and cleaning as defined in claim 1, wherein: filter equipment (10) are including filtering casing (1001), screw thread mouth (1002), take out board (1003), PP cotton filter core (1004), rubber strip (1005), slider (1006), HEPA filter screen (1007) and active carbon net (1008), and both ends are provided with screw thread mouth (1002) about filtering casing (1001), filtering casing (1001) inside arrangement has to take out board (1003), and take out board (1003) inside to be provided with PP cotton filter core (1004), PP cotton filter core (1004) outer wall is provided with rubber strip (1005), both ends are provided with slider (1006) about PP cotton filter core (1004), and PP cotton filter core (1004) top arrangement has HEPA filter screen (1007), HEPA filter screen (1007) top is provided with active carbon net (1008).
3. A laboratory fume hood with disinfection and filtration functions for easy disassembly and cleaning as defined in claim 2, wherein: the drawing board (1003) forms a movable structure with the filtering shell (1001) through the sliding blocks (1006), the sliding blocks (1006) are symmetrically distributed about the vertical center line of the drawing board (1003), and the outer surface of the drawing board (1003) is net-shaped.
4. A laboratory fume hood with disinfection and filtration functions for easy disassembly and cleaning as defined in claim 2, wherein: the HEPA filter screen (1007) and the activated carbon screen (1008) are distributed in parallel, and the activated carbon screen (1008) is in a honeycomb briquette shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011114180.8A CN112355014B (en) | 2020-10-18 | 2020-10-18 | Laboratory is with fume chamber that has disinfection filtering capability convenient to detach clearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN113083380A (en) * | 2021-03-31 | 2021-07-09 | 江苏大橡木集团有限公司 | Laboratory variable air volume adjusting device |
| CN113663423B (en) * | 2021-07-27 | 2022-11-18 | 深圳市第二人民医院(深圳市转化医学研究院) | Laboratory toxic gas leakage-proof system |
| CN113787051B (en) * | 2021-09-01 | 2022-12-06 | 无锡派斯克科技有限公司 | Cleaning cabinet |
| WO2023076731A1 (en) * | 2021-11-01 | 2023-05-04 | Radeas, LLC | Mobile pcr systems, mobile reverse pcr hoods and related methods |
| CN115400532B (en) * | 2022-08-09 | 2023-08-11 | 湖北鑫星节能炉具有限公司 | Environment-friendly combustion stove with dust removal filtering structure |
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