CN202122962U - Combined type biological safety operating room - Google Patents

Combined type biological safety operating room Download PDF

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Publication number
CN202122962U
CN202122962U CN2011201695989U CN201120169598U CN202122962U CN 202122962 U CN202122962 U CN 202122962U CN 2011201695989 U CN2011201695989 U CN 2011201695989U CN 201120169598 U CN201120169598 U CN 201120169598U CN 202122962 U CN202122962 U CN 202122962U
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China
Prior art keywords
air
working region
hollow
wall
negative pressure
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Expired - Fee Related
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CN2011201695989U
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Chinese (zh)
Inventor
曾博文
王振忠
赵立润
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QINGDAO BAIMEI INSTRUMENT CO Ltd
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QINGDAO BAIMEI INSTRUMENT CO Ltd
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Priority to CN2011201695989U priority Critical patent/CN202122962U/en
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Publication of CN202122962U publication Critical patent/CN202122962U/en
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Abstract

The utility model relates to cleaning equipment for a laboratory, in particular to a combined type biological safety operating room. The operating room comprises an upper sealing box and a working region; the upper sealing box is positioned above the working region; the rear side, the left side and the right side of the working region are all provided with wall bodies; the upper sealing box is combined and hermetically connected by metal shells; a gate is arranged at the front side of the working region and comprises an operating window and a gate body; the wall bodies and the gate body are combined and fixedly connected by hollow modules; each hollow module comprises an inner layer plate and an outer layer plate; the inner layer plate is fixedly connected with the outer layer plate; a hollow inner cavity is formed between the inner layer plate and the outer layer plate; a wind gap is arranged at the side of each hollow module; the hollow inner cavities between every adjacent hollow modules are communicated through the wind gaps and are negative pressure cavities; and the working region is surrounded by the negative pressure cavities and is internally provided with an operating table type trolley. The combined type biological safety operating room can be used for providing a local clean environment for large-scale experimental equipment, can be convenient to mount and can realize field installation so as to be convenient for experimenters to carry out experiments.

Description

Between the combined bio safety operation
Technical field
The utility model relates to a kind of laboratory and uses cleaning apparatus, between especially a kind of combined bio safety operation.
Background technology
When in the Bioexperiment experimental facilities being operated, in operating process, may produce a large amount of aerosols.Aerosol flies away the experimental situation around in environment, can polluting and human body is worked the mischief, and the fine particle in the environment also can pollute laboratory sample.
For fear of the generation of above-mentioned situation, common Bioexperiment at present generally all is in Biohazard Safety Equipment, to carry out.Biohazard Safety Equipment is the laboratory cleaning apparatus that is equipped with high efficiency particle air filter.Biohazard Safety Equipment is generally used for analysis and the research of laboratory microorganism.Wherein the two stage biological safety cabinet is the water-tight equipment of open front.Laboratory operation person can reach into the workspace from anterior opening part and carry out Experiment on Microbiology.Through the inside airflow flowing of front window opening part is that charge air flow can make the operator avoid receiving infection by microorganisms in the safety cabinet.The air-flow that cleaning flows downward is that the sedimentation air-flow can be protected the laboratory sample safety in the safety cabinet.The air-flow that charge air flow, sedimentation air-flow and workspace in the safety cabinet constantly purifies is promoted by blower fan.
The prior biological safety cabinet generally can only be applicable to the operation of vessel, but some large-scale experiment equipment such as flow cytometer, supercentrifuge, aerosol generator etc. but can't be placed in the Biohazard Safety Equipment; In addition, the prior biological safety cabinet is an integral structure, and bearing capacity is limited, in view of breadboard space, also can't produce the macro-organism safety cabinet and be used for holding large-scale experiment equipment such as flow cytometer, supercentrifuge.
The utility model content
The purpose of the utility model is to have proposed between a kind of combined bio safety operation, and this operation room can provide local clean environment for large-scale experimental facilities, and is easy for installation, and can realize on-the-spot the installation, is convenient to the experimenter and experimentizes.
The utility model is that the technical scheme below adopting realizes: between a kind of combined bio safety operation, comprise seal box and working region, last seal box is positioned at the top of working region; The rear side of working region, left side and right side are equipped with body of wall, are tightly connected between the neighboring walls, and last seal box is fixedly connected with body of wall; Wherein, last seal box is made up and is tightly connected by metal shell and forms, and the front side of working region is provided with the gate; The gate comprises operation window and door body, and operation window is positioned at the top at gate, and the bottom of operation window is provided with gathering hole; For being rotatably connected, described body of wall and door body are the hollow module combination and be formed by fixedly connecting between gate and left side body of wall, the right side body of wall, and described hollow module comprises inner plating and lamina rara externa; Be fixedly connected between inner plating and the lamina rara externa, form hollow cavity between inner plating and the lamina rara externa, the side of each hollow module is equipped with the air port; Through the air port hollow cavity between each adjacent hollow module is communicated with, described hollow cavity is a negative pressure cavity, and negative pressure cavity is around surrounding the working region; Be provided with the desk-top dolly of operation in the working region, operate the caster wheel that desk-top dolly comprises operating desk and bottom, the below of gathering hole and be positioned at a top end of body hollow template air-inlet grille is set at interval; One row's air-inlet grille is set on the inner surface of rear side body of wall at interval; Air-inlet grille is communicated with negative pressure cavity, and the air-inlet grille of the air-inlet grille at gate and rear side body of wall is positioned at same horizontal plane, and the bottom of rear side body of wall inner surface is provided with at least one row's air-inlet grille.
Said going up in the seal box is provided with exhaust-air filter, plenum chamber, blower fan and powered air-purifying device; Blower fan is fixed on the plenum chamber, and the air inlet of blower fan is communicated with negative pressure cavity, and the inside of last seal box is subnormal ambient; Plenum chamber, exhaust-air filter and powered air-purifying device are surrounded by negative pressure; The exhaust outlet of blower fan and plenum chamber internal communication, plenum chamber are the malleation chamber, and its front portion or top are provided with exhaust-air filter; The bottom of plenum chamber is provided with the powered air-purifying device, is communicated with through the powered air-purifying device between plenum chamber and the working region.
Described powered air-purifying device and exhaust-air filter are high efficiency particle air filter (High efficiency particulate air Filter is called for short HEPA) or ultra high efficiency air cleaner (Ultra Low Penetration Air Filte is called for short ULPA).
Can be connected through bolt between the inner plating of said hollow template and the lamina rara externa, also can be fixedly connected, perhaps directly be made of one the formula structure through welding manner.Can connect through bolt between each hollow module, also can wait other modes to be fixedly connected through welding.
The caster wheel of the desk-top dolly of said operation has self-locking device.
The bottom of said working region is provided with base plate, and base plate and body of wall and gate are tightly connected, and base plate is provided with slideway, and caster wheel can be walked along slideway.
The beneficial effect of the utility model is: at first; The utility model has increased the volume of whole bio-safety operation room; Be convenient in the bio-safety operation room to place the bigger experimental facilities of volume, for large-scale experiment equipment such as flow cytometer, supercentrifuge, aerosol generator etc. provide local clean environment; Second; The desk-top dolly of setting operation in the working region of bio-safety operation room; Can carry experimental facilities through dolly, experiment can be used as operating desk and uses when carrying out, and in the front side of working region the gate is set simultaneously; Carry the desk-top dolly of large-scale experiment operation of equipment and can push and pull out the working region easily, be convenient to operating personnel and experimentize through the gate; The 3rd; Last seal box is connected by a plurality of metal shells and forms, and the body of wall of working region and gate are connected by a plurality of hollow module, and therefore whole bio-safety operation room is a combined mounting structure; Install at the scene that can be implemented in bio-safety operation room in the laboratory; Save loaded down with trivial details carrying work, be convenient to the installation and the placement of bio-safety operation room, and the narrow and small laboratory of access door body easily; The 4th, this Bioexperiment operation room not only can protect operating personnel and external environment to avoid the pollution of operated experiment material, has also protected the experiment product to avoid the pollution of floating thing in the air.
Description of drawings
Fig. 1 is the perspective view of the utility model;
Fig. 2 is the structural representation of air-inlet grille in the utility model;
Fig. 3 is the fundamental diagram of the utility model.
Among the figure: 1 operation window; 2 gathering holes; 3 gates; 4 air-inlet grille I; 5 air-inlet grille II; 6 rear side bodies of wall; 7 blower fans; 8 plenum chambers; Seal box on 9; 10 powered air-purifying devices; 11 loose flows cover; 12 negative pressure cavities; The desk-top dolly of 13 operations; 14 exhaust-air filters; 15 air-inlet grille III.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further specified.
Fig. 1 to Fig. 3 is between the described combined bio safety operation of the utility model.This operation room comprises seal box 9 and working region, and last seal box 9 is positioned at the top of working region, and the outer most surrounding of working region is surrounded by negative pressure cavity.Last seal box 9 is a seal case, and the sealing casing is made up and is tightly connected by the polylith metal shell and forms, and each piece metal shell can connect through bolt, also can wait other modes to be fixedly connected through welding.The working region is formed around being tightly connected by body of wall, gate 3 and base plate.Last seal box 9 is fixedly connected with body of wall.
Be provided with exhaust-air filter 14, plenum chamber 8, blower fan 7 and powered air-purifying device 10 in the last seal box 9.Blower fan 7 is fixed on the plenum chamber 8.The air inlet of blower fan 7 is communicated with negative pressure cavity, and the inside of last seal box 9 is subnormal ambient, and plenum chamber 8, exhaust-air filter 14 and powered air-purifying device 10 are all surrounded by negative pressure.The exhaust outlet of blower fan 7 and plenum chamber 8 internal communication, blower fan 7 are constantly injected air to plenum chamber 8.Plenum chamber 8 is the malleation chamber, and its front portion or top are provided with exhaust-air filter 14, is communicated with through exhaust-air filter 14 between plenum chamber 8 and the external environment condition.Exhaust-air filter 14 can be high efficiency particle air filter, and 0.3 micron solid particle rejection more than 99.999%, is fully caught microorgranic contaminant, guarantees that the air-flow of inflow external environment condition is clean.Exhaust-air filter 14 is surrounded by negative pressure cavity, in case reveal between exhaust-air filter and the plenum chamber, contamination gas fails to be convened for lack of a quorum and caught by negative pressure cavity, and gets into the blower fan circulation again.
The bottom of plenum chamber 8 is provided with the powered air-purifying device 10 and the stream cover 11 that looses, and is communicated with through the powered air-purifying device 10 and the stream cover 11 that looses between plenum chamber 8 and the working region.Powered air-purifying device 10 is a high efficiency particle air filter, more than 99.999%, can fully catch microorgranic contaminant to 0.3 micron solid particle rejection, guarantee to flow into the working region the cleaning of air-flow.Powered air-purifying device 10 is surrounded by negative pressure cavity, in case reveal between powered air-purifying device and the plenum chamber, contamination gas fails to be convened for lack of a quorum and caught by negative pressure cavity, prevents the pollution of gas stream of pollution to the working region.The stream cover 11 that looses makes the sedimentation air-flow behind over commutation, become laminar air flow by turbulent form, prevents to take place between the laboratory sample cross pollution.Exhaust-air filter 14 also can adopt the ultra high efficiency air cleaner with powered air-purifying device 10.
Because powered air-purifying device 10 has the long-pending and initial resistance of different surface with exhaust-air filter 14; The air communication of 65%-70% is crossed powered air-purifying device 10 and is filtered out microorgranic contaminant formation sedimentation air-flow in the plenum chamber 8; Laminar air flow through the stream cover 11 formation vertical subsidences of loosing is blown into the working region; The air communication of residue 30%-35% is crossed the filtration formation clean gas flow of exhaust-air filter 14 and is promptly discharged air-flow, enters in the indoor or outdoors environment, can not pollute environment.
Described body of wall comprises rear side body of wall, left side body of wall and right side body of wall, is tightly connected between each neighboring walls.Gate 3 is positioned at the front side of working region, opens gate 3 and can get into the working region.The gate comprises operation window 1 and door body; Operation window 1 is positioned at the top at gate 3; On the operation window 1 glass is installed; Glass not exclusively hides operation window 1, and therefore forming in the bottom of operation window 1 highly is the gathering hole 2 of 200mm, and operating personnel can operate through the instrument in 2 pairs of working regions of this gathering hole.Form through rotary parts such as hinges between gate and left side body of wall, the right side body of wall and be rotatably connected, thereby realize the opening and closing at gate 3.
Described body of wall is a hollow wall, described Men Tiwei hollow door body.Body of wall makes up and is formed by fixedly connecting by a plurality of hollow module with the door body.Described hollow module comprises inner plating and lamina rara externa; Closely be fixedly connected between inner plating and the lamina rara externa; Wherein inner plating is processed by stainless steel materials, and lamina rara externa is served as reasons and processed through the carbon sheet of spray treatment, forms hollow cavity between inner plating and the lamina rara externa.The side of each hollow module is equipped with the air port, through the air port hollow cavity between each adjacent hollow module is communicated with, promptly between each neighboring walls and the hollow cavity between the Men Tiyu body of wall be interconnected.Because the air draught effect of blower fan, body of wall is negative pressure with the hollow cavity of door body with respect to external environment condition and working region, so the hollow cavity of cavity and door body is a negative pressure cavity.Negative pressure cavity is around surrounding working region, powered air-purifying device 10, exhaust-air filter 14 and plenum chamber 8.Body of wall is provided with cable-through hole, and the power supply of interior instrument, exchanges data line link to each other with external environment condition through cable-through hole.Can be connected through bolt between inner plating and the lamina rara externa, also can be fixedly connected, perhaps directly be made of one the formula structure through welding manner.Can connect through bolt between each hollow module, also can wait other modes to be fixedly connected through welding.Therefore this bio-safety operation room is easy for installation, and can realize on-the-spot the installation, has saved loaded down with trivial details carrying work, is convenient to the narrow and small laboratory of access door body.
Be provided with the desk-top dolly 13 of operation in the working region, operate the caster wheel that desk-top dolly 13 comprises operating desk and bottom, on the corresponding base plate slideway is set.Volume is big, the heavier experimental facilities of weight can directly be placed on the operating desk; Can easily the desk-top dolly 13 of operation be pushed or pull out in the working region through caster wheel; Thereby make experimental facilities turnover bio-safety operation room, the height of operating desk is not higher than the height of gathering hole 2.Caster wheel has self-locking device, will operate to place locked position to locking device after desk-top dolly pushes the working region; Before will operating desk-top dolly and from the working region, withdrawing from, at first rotate to horizontal level to the foot-operated locking device on the castor, will operate desk-top dolly then and pull out from the working region.In sum, operate desk-top dolly 13 and not only can carry experimental facilities, can also drive experimental facilities and pass in and out the bio-safety operation room easily.
The below of gathering hole 2 and be positioned at a top end of body hollow template and be interval with a plurality of air-inlet grille I 4, air-inlet grille I4 is communicated with the negative pressure cavity of door body.Simultaneously, row's air-inlet grille II 5 is set at interval also on the inner surface of rear side body of wall 6, air-inlet grille II 5 is communicated with the negative pressure cavity of rear side body of wall 6.Air-inlet grille I 4 and air-inlet grille II 5 are positioned on the same horizontal plane.Simultaneously, also be provided with at least one row's air-inlet grille III15 in the bottom of rear side body of wall 6 inner surfaces.The sedimentation air-flow is two parts in the punishment of operating desk top center, and a part flows into negative pressure cavity through the air-inlet grille I on the gate 34, and the sedimentation air-flow that gets in the gate has stoped the pollutant in the environment to get into the working region.Simultaneously under the getter action of negative pressure cavity; Air-flow in the environment also flows into negative pressure cavity through air-inlet grille I 4; This part sedimentation air-flow forms the air curtain balance with flowing into air-flow, has stoped this part sedimentation air-flow to get in the environment, has protected indoor environment and experimenter's safety effectively; Air-inlet grille II 5 after another part sedimentation air communication on the side wall body gets into negative pressure cavities; The remaining sedimentation air-flow then air-inlet grille III15 through rear side body of wall 6 bottoms gets in the negative pressure cavity, has guaranteed in the working region that contaminated sedimentation air-flow is all in the negative suction chamber.
The course of work of the utility model is described below: at first, the desk-top dolly 13 of the operation that is placed with experimental facilities is pushed the working region, close the gate.Start blower fan 7 then; The air inlet of blower fan 7 constantly sucks air-flow in negative pressure cavity; Thereby make negative pressure cavity keep negative pressure state; The air-flow that the exhaust outlet of blower fan 7 is discharged gets into plenum chamber 8, and the air communication of 30%-35% is crossed and formed clean gas flow after the filtration of exhaust-air filter 14 and promptly discharge air-flow in the plenum chamber, and is discharged to indoor environment; The air communication of residue 65%-70% is crossed powered air-purifying device 10 and is filtered out microorgranic contaminant, and forming clean gas flow is the sedimentation air-flow, flows cover 11 rectification after-blow through loosing to the desk-top dolly 13 of operation.After the sedimentation air-flow gets into the working region; Be two parts in the punishment of operating desk top center; The air-inlet grille I 4 that part air communication is crossed the gate flows into negative pressure cavity; Under the getter action of negative pressure cavity, the air-flow in the environment also flows into negative pressure cavity through air-inlet grille I 4 simultaneously, and this part sedimentation air-flow forms the air curtain balance with the inflow air-flow; Air-inlet grille II 5 after another part air communication on the side wall body gets into negative pressure cavities, and remaining sedimentation air-flow then gets into negative pressure cavity through the air-inlet grille III15 of rear side body of wall bottom.The gas stream of pollution that gets into negative pressure cavity is constantly sucked in the blower fan 7; And the exhaust outlet through blower fan 7 gets in the plenum chamber 8, and wherein the contaminated air communication of 30%-35% forms clean gas flow after crossing the filtration of exhaust-air filter 14, is discharged to indoor environment; The air-flow of residue 65%-70% then filters out microorgranic contaminant through powered air-purifying device 10; Form clean gas flow, blow to the desk-top dolly 13 of operation, and the above-mentioned course of work that circulates.
In the utility model, can not be provided with base plate in the described working region, promptly the working region is formed around being tightly connected by gate 3, body of wall and ground.

Claims (8)

1. between a combined bio safety operation, comprise seal box (9) and working region, last seal box (9) is positioned at the top of working region; The rear side of working region, left side and right side are equipped with body of wall, are tightly connected between the neighboring walls, and last seal box (9) is fixedly connected with body of wall; It is characterized in that: upward seal box (9) is made up and is tightly connected by metal shell and forms, and the front side of working region is provided with gate (3), and the gate comprises operation window (1) and door body; Operation window (1) is positioned at the top of gate (3), and the bottom of operation window (1) is provided with gathering hole (2), between gate and left side body of wall, the right side body of wall for being rotatably connected; Described body of wall and door body are hollow module combination and be formed by fixedly connecting, and hollow module comprises inner plating and lamina rara externa, are fixedly connected between inner plating and the lamina rara externa; Form hollow cavity between inner plating and the lamina rara externa; The side of each hollow module is equipped with the air port, through the air port hollow cavity between each adjacent hollow module is communicated with, and described hollow cavity is a negative pressure cavity; Negative pressure cavity is around surrounding the working region; Be provided with operation desk-top dolly (13) in the working region, operate the caster wheel that desk-top dolly (13) comprises operating desk and bottom, the below of gathering hole (2) and be positioned at a top end of body hollow template air-inlet grille (4) is set at interval; The inner surface of rear side body of wall (6) is provided with row's air-inlet grille (5) at interval; Air-inlet grille is communicated with negative pressure cavity, and the air-inlet grille (4) of door body is positioned at same horizontal plane with the air-inlet grille (5) of rear side body of wall, and the bottom of rear side body of wall (6) inner surface is provided with at least one row's air-inlet grille (15).
2. between combined bio safety operation according to claim 1; It is characterized in that: said going up in the seal box (9) is provided with exhaust-air filter (14), plenum chamber (8), blower fan (7) and powered air-purifying device (10); Blower fan (7) is fixed on the plenum chamber (8), and the air inlet of blower fan (7) is communicated with negative pressure cavity, and the inside of last seal box (9) is subnormal ambient; Plenum chamber (8), exhaust-air filter (14) and powered air-purifying device (10) are surrounded by negative pressure; The exhaust outlet of blower fan (7) and plenum chamber (8) internal communication, plenum chamber (8) is the malleation chamber, its front portion or top are provided with exhaust-air filter (14); The bottom of plenum chamber (8) is provided with powered air-purifying device (10), is communicated with through powered air-purifying device (10) between plenum chamber (8) and the working region.
3. between combined bio safety operation according to claim 2, it is characterized in that: described powered air-purifying device (10) and exhaust-air filter (14) are high efficiency particle air filter or ultra high efficiency air cleaner.
4. between combined bio safety operation according to claim 1, it is characterized in that: connect perhaps through the welding manner fixed connection through bolt between the inner plating of said hollow module and the lamina rara externa.
5. between combined bio safety operation according to claim 1, it is characterized in that: the inner plating and the lamina rara externa of said hollow module are integral structure.
6. between combined bio safety operation according to claim 1, it is characterized in that: connect through bolt between said each hollow module.
7. between combined bio safety operation according to claim 1, it is characterized in that: the caster wheel of the desk-top dolly of said operation has self-locking device.
8. between combined bio safety operation according to claim 1, it is characterized in that: the bottom of said working region is provided with base plate, and base plate and body of wall and gate are tightly connected, and base plate is provided with slideway, and caster wheel is walked along slideway.
CN2011201695989U 2011-05-24 2011-05-24 Combined type biological safety operating room Expired - Fee Related CN202122962U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011201695989U CN202122962U (en) 2011-05-24 2011-05-24 Combined type biological safety operating room

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011201695989U CN202122962U (en) 2011-05-24 2011-05-24 Combined type biological safety operating room

Publications (1)

Publication Number Publication Date
CN202122962U true CN202122962U (en) 2012-01-25

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Application Number Title Priority Date Filing Date
CN2011201695989U Expired - Fee Related CN202122962U (en) 2011-05-24 2011-05-24 Combined type biological safety operating room

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102205254A (en) * 2011-05-24 2011-10-05 青岛柏镁仪器有限公司 Combined type biologic safety operating chamber
CN105988296A (en) * 2015-01-28 2016-10-05 南通大学 Clean exposure apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102205254A (en) * 2011-05-24 2011-10-05 青岛柏镁仪器有限公司 Combined type biologic safety operating chamber
CN105988296A (en) * 2015-01-28 2016-10-05 南通大学 Clean exposure apparatus
CN105988296B (en) * 2015-01-28 2017-12-29 南通大学 One kind purification exposure device

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20120125

Termination date: 20160524