SUMMERY OF THE UTILITY MODEL
The present invention aims at least solving one of the technical problems existing in the prior art or the related art.
In order to achieve the aim, the utility model provides a full-discharge clean laboratory, which comprises a room, wherein the room is provided with a biological safety cabinet;
the biological safety cabinet is provided with an air inlet and an air outlet;
the air inlet sends outside air into the biological safety cabinet through the air feeder and the air inlet channel;
the air outlet discharges the air of the biological safety cabinet to the outside of the room through the exhaust fan, the exhaust channel and the exhaust pipeline;
one end of the exhaust fan is connected with the top of the biological safety cabinet, the other end of the exhaust fan is connected with the exhaust pipeline, and the other end of the exhaust pipeline extends out of the room;
and a filtering device and an ultraviolet lamp are arranged in the exhaust channel and/or the exhaust pipeline.
In some possible embodiments, the filter device is disposed in an exhaust duct between the exhaust outlet and the exhaust fan, adjacent to the exhaust fan.
In some possible embodiments, the uv lamp is disposed in an exhaust channel of the biosafety cabinet between the filter device and the exhaust outlet.
In some possible embodiments, the total external discharge clean laboratory further comprises an air inlet duct;
the air inlet pipeline is used for introducing air outside a room into the biological safety cabinet through the air feeder and the air inlet channel.
In some possible embodiments, the filter device is an air filter.
In some possible embodiments, the filter device further comprises activated carbon.
In some possible embodiments, the activated carbon is provided as an activated carbon layer.
In some possible embodiments, the activated carbon layer is activated carbon sponge, and the thickness of the activated carbon layer is 5-20 mm.
In some possible embodiments, at least one side of the air filter is provided with the activated carbon layer.
In some possible embodiments, the ultraviolet lamp is provided with an access opening;
and/or
And an access hole is formed in the position where the filtering device is arranged.
Compared with the prior art, the utility model following beneficial effect has:
(1) the utility model provides a clean laboratory is arranged outward entirely has further got rid of harmful substance through being provided with filter equipment and ultraviolet lamp in exhaust duct, has effectively prevented latent risk.
(2) The utility model provides a clean laboratory is arranged outward entirely through the outer effect of arranging of control gas, is the negative pressure in the workstation face of biosafety cabinet, prevents that the workspace air from escaping outward, plays protection operator's purpose.
(3) The utility model provides a clean laboratory is arranged outward entirely, the gas of biosafety cabinet discharges outside the room, the better emergence that prevents the cross contamination condition.
(4) The utility model discloses still be provided with the access hole in the position that sets up filter equipment and/or ultraviolet lamp, make things convenient for the change or the maintenance of corresponding equipment.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
The following describes a clean laboratory with full external discharge according to the present invention with reference to fig. 1 to 4.
The embodiment of the utility model provides a clean laboratory of full external drainage, as shown in fig. 1, includes room 100, room 100 is provided with biosafety cabinet 200;
the biological safety cabinet 200 is provided with an air inlet and an air outlet;
the air inlet sends outside air into the biological safety cabinet 200 through the blower 210 and the air inlet channel 211;
the air outlet discharges the air of the biological safety cabinet 200 to the outside of the room 100 through the exhaust fan 231, the exhaust channel 220 and the exhaust duct 230;
one end of the exhaust fan 231 is connected to the top of the biological safety cabinet 200, the other end of the exhaust fan 231 is connected to the exhaust duct 230, and the other end of the exhaust duct 230 extends out of the room 100;
a filter device 232 and an ultraviolet lamp 221 are disposed in the exhaust passage 220 and/or the exhaust duct 230.
In the sample pretreatment room, the microbial laboratory, the positive laboratory and the liquid preparation room of the laboratory, the total discharge clean laboratory may generate microbial aerosol in the operation process or generate the operation of splashing, which has potential harm to people and environment. Therefore, these rooms 100 need to properly deal with the risks that result from this in order to protect the operators.
Based on the above, the air exhaust duct 230 of the biosafety cabinet 200 is provided with the filtering device 232 and the ultraviolet lamp 221, that is, the air at the air outlet is sterilized by the filtering device 232 and the ultraviolet lamp 221 and then the air in the biosafety cabinet 200 is exhausted out of the room 100; in addition, the blower 210 and the exhaust fan 231 arranged in the biosafety cabinet 200 control the wind speeds of the blower 210 and the exhaust fan, so that the operation table top of the biosafety cabinet 200 is in a slightly negative pressure state, and the air of the operation table top is prevented from overflowing; thus, the air in the biological safety cabinet 200 is discharged after being completely disinfected and filtered, and the pollution in a clean room caused by the discharge of toxic substances or microbial aerosol and the like is effectively prevented.
In the present invention, the outside air refers to the air outside the biosafety cabinet 200, such as the air inside the room 100, or the air outside the room 100.
The filtering device 232 is used for filtering the exhausted gas, and the filtering device 232 is disposed in the exhaust channel 220, preferably between the exhaust fan 231 and the exhaust outlet, and more preferably near the exhaust fan 231, so as to prevent the polluted gas from polluting the exhaust fan 231 and causing leakage of the polluted gas.
Therefore, in some embodiments of the present invention, the filtering device 232 is disposed in the exhaust duct 230 between the exhaust outlet and the exhaust fan 231 near the exhaust fan 231.
The filtering device 232 is generally disposed in the exhaust duct 230 outside the biosafety cabinet 200, and accordingly, the filtering device 232 more easily filters the entire exhaust gas by being inserted into the exhaust duct 230.
In some possible embodiments, the filter device 232 is an air filter.
The air filter is a device which collects dust, harmful substances and the like from a gas-solid two-phase flow through the action of a porous filter material and purifies the gas so as to effectively improve the air cleanliness.
The air filter generally adopts a sheet-shaped filter screen with the size suitable for the size of an exhaust pipeline, and the filter screen generally comprises a fiber layer, HEPA filter paper, activated carbon particles and the like. For example, a multifunctional composite filter screen (AC4147) of philips, an air purification filter screen (HEPA/activated carbon) of hel, a loose air purification filter screen, or the like may be used.
The active carbon has strong adsorption effect and can adsorb certain organic compounds to achieve the removal effect.
In some possible embodiments, the filter device 232 additionally includes activated carbon. Namely, the filter unit 232 is additionally provided with activated carbon.
The activated carbon may be disposed in the filter unit 232 in various ways, for example, the activated carbon may be present in a filter net of the air filter, or may be separately disposed on at least one side of the air filter to independently purify the gas.
In some specific embodiments, as shown in fig. 2, the activated carbon is provided as an activated carbon layer 233. That is, the activated carbon is provided in the form of an activated carbon layer 233, which may be loaded in a filter net of the air filter or may exist alone to purify the gas.
The activated carbon layer 233 may be made of activated carbon filter cotton, activated carbon fiber felt, activated carbon fiber cloth, activated carbon sponge, activated carbon nonwoven fabric, or the like.
In some possible embodiments, the activated carbon layer 233 is activated carbon sponge, and the thickness of the activated carbon layer 233 is 5 to 20 mm. That is, the thickness of the activated carbon layer 233 may be any value within the range of 5 to 20 mm. As in the various embodiments, the activated carbon sponge may have a thickness of 5mm, 6mm, 7mm, 8mm, 10mm, 12mm, 15mm, 17mm, 20mm, and the like.
In some possible embodiments, at least one side of the air filter is provided with the activated carbon layer 233.
For example, one side of the air filter may be provided with an activated carbon layer 233: in some embodiments, the exhaust gas may be filtered through the activated carbon layer 233 and then through an air filter; in some embodiments, the exhaust gas may be filtered through an air filter and then through the activated carbon layer 233. Typically arranged to be filtered through the activated carbon layer 233 and then through the air filter.
The air filter may also be provided with activated carbon layers 233 on both sides (as shown in fig. 3): for example, the discharged gas is filtered by the activated carbon layer 233, filtered by the air filter, and finally filtered by the activated carbon layer 233.
In the present invention, the ultraviolet lamp 221 is used to kill microorganisms in the exhaust gas to prevent the microorganisms such as viruses and bacteria from diffusing into the air.
In some possible embodiments, the ultraviolet lamp 221 is disposed in the exhaust channel 220 of the biosafety cabinet 200 between the filtering device 232 and the exhaust outlet.
That is, the discharged gas is irradiated by the ultraviolet lamp 221, then filtered, and finally discharged, so that the organic components, the microbial components and the like in the discharged gas can be removed most effectively.
The utility model discloses in, adopt the total exhaust air exhaust system of arranging in the room 100, exhaust air system and biological safety cabinet 200 sealing connection to take filter equipment 232 if high efficiency air cleaner, the combustion gas discharges after ultraviolet disinfection, high efficiency air cleaner filter.
The utility model discloses in, outside air can come from outside room 100, and outside the air after the air exit is handled passed through the pipeline and is arranged room 100, the phenomenon that the material that prevents in the gas like this better exists cross contamination with the material in the room 100.
In some possible embodiments, as shown in fig. 4, the total external discharge clean laboratory further comprises an air inlet duct;
the air inlet duct is used for introducing air outside the room 100 into the biosafety cabinet 200 through the blower 210 and the air inlet passage 211.
If the utility model provides a clean laboratory of outer row entirely can also set up like this: the full-external-discharge clean laboratory comprises an air inlet pipeline and an air outlet pipeline 230;
the air inlet duct is used for introducing air outside the room 100 into the biosafety cabinet 200 through the blower 210 and the air inlet channel 211;
the exhaust duct 230 is used to exhaust the air of the biosafety cabinet 200 out of the room 100 through the exhaust fan 231 and the exhaust passage 220.
The utility model discloses in, ultraviolet lamp 221 and filter equipment 232 have been add in gas discharge passage, consequently, in corresponding position, set up corresponding access hole, the access hole can be used for the maintenance of corresponding device or the operation such as change of device.
In some possible embodiments, the position where the ultraviolet lamp 221 is disposed is provided with an access opening;
and/or
An access hole is formed at the position where the filtering device 232 is arranged.
As in some possible embodiments, the present invention provides a full external exhaust system including an exhaust fan 231, an exhaust duct 230, and a filter device 232. One side of the exhaust fan 231 is connected with the top of the biological safety cabinet 200 through an air pipe, an exhaust valve is arranged on the air pipe, and the other side of the exhaust fan 231 is connected with a filtering device 232. The exhaust fan 231 provides exhaust power to pump out unclean air in the worktable of the biosafety cabinet 200; and then purified by the filter 232 to protect the sample and the test object in the cabinet. Because of the external discharge function, the inside of the workbench is under negative pressure, so that the air in a working area is prevented from escaping outwards, and the purpose of protecting an operator is achieved.
The utility model discloses in, biohazard safety equipment 200 is the box air purification negative pressure safety device that can prevent that some contain dangerous or unknown biological particle emergence aerosol in the experiment operation processing procedure from dissipating. It is widely applied to scientific research, teaching, clinical examination and production in the fields of microbiology, biomedicine, genetic engineering, biological products and the like.
The biosafety cabinet 200 generally comprises a box body and a support, wherein the box body comprises an air filtering system, an outer exhaust air box system, a sliding front window driving system, an ultraviolet lamp light source, an illuminating light source, a control panel and the like, which are correspondingly arranged as the existing equipment, and the details are not repeated.
In the present application, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or unit indicated must have a specific direction, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present specification, the description of the terms "some embodiments," "specific examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.