CN208302801U - Ultra-clean Biohazard Safety Equipment - Google Patents

Abstract

The utility model discloses a kind of ultra-clean Biohazard Safety Equipment, including main box, bracket and guide tank, and cantilever tip is fixed with main box, and the bottom end of main box is fixed with guide tank, and guide tank is placed in bracket；Lower area is fixed with worktable panel in main box, multiple grate openings are equipped between main box inner wall and worktable panel, the bottom end of worktable panel is fixed with collecting tank, the rear end of collecting tank offers long hole, sealing is fixed with Combined filtering apptss in long hole, Combined filtering apptss are placed in guide tank, the top of Combined filtering apptss is equipped with filter screen or orifice plate, the top of guide tank and it is located in main box and is provided with pressure sensor below negative pressure air duct, the front of main box is embedded with display screen, controller is integrated in main box, pressure sensor and display screen are electrically connected with the controller.The utility model can greatly improve gas processing capability, can provide ultra-clean operating space.

Description

Ultra-clean Biohazard Safety Equipment

Technical field

The utility model relates to a kind of Biohazard Safety Equipments, more particularly to a kind of ultra-clean Biohazard Safety Equipment.

Background technique

General Biohazard Safety Equipment need to be equipped with efficient HEPA or ULPA and the above grade filters according to its standard requirements, Effect is to intercept to be greater than 0.3um dust particle in air, and filter efficiency reaches >=99.995%, to guarantee that Biohazard Safety Equipment operates The cleanliness in section.Gas stream of pollution enters about 70% gas recirculation after ducting system, and safety is discharged after about 30% airflow filtering Cabinet is into environment.This common Biohazard Safety Equipment can meet most routine experimentation work.

But when user carry out higher risk experimental implementation, such as cytotoxin class high risk compound when, commonly The Biohazard Safety Equipment of design has been unable to satisfy requirement.It needs because operating and preparing cytotoxic drugs by some special Operating process, these processes must stringent cleanliness and safety environment under carry out, and be related to Pharmaceutical Analysis and preparation Operator must adequately be protected.Further more, when user is when carrying out certain biochemical tests, certain samples or unknown sample Irritating organic compound gas such as ammonia, benzene class, ethyl mercaptan etc. is generated, HEPA filter can not intercept.And these Volatile organic compound is vented directly to environment and remains in recycle in Biohazard Safety Equipment exist without purification.When such When gas is discharged into environment, the respiratory tract of human body can be not only stimulated, jeopardizes experimenter's health, and can pollute The environment in entire laboratory.When such gas constantly recycles in Biohazard Safety Equipment, the intersection that may cause laboratory sample is dirty It contaminates and the failure of an experiment.

Utility model content

The utility model is in view of the problems of the existing technology and insufficient, provides a kind of ultra-clean Biohazard Safety Equipment, can be big Width improves gas processing capability, can provide ultra-clean operating space.

The utility model is to solve above-mentioned technical problem by following technical proposals:

The utility model provides a kind of ultra-clean Biohazard Safety Equipment, it is characterized in that comprising main box, bracket and water conservancy diversion Case, the cantilever tip are fixed with the main box, and the bottom end of the main box is fixed with the guide tank, which is placed in the bracket In；

Lower area is fixed with worktable panel in the main box, is equipped between the main box inner wall and the worktable panel The bottom end of multiple grate openings, the worktable panel is fixed with collecting tank, and the rear end of the collecting tank offers long hole, close in the long hole Envelope is fixed with Combined filtering apptss, which is placed in the guide tank, the top of the Combined filtering apptss Filter screen or orifice plate be installed, the top of the guide tank and is located in the main box and is provided with pressure sensing below negative pressure air duct The front of device, the main box is embedded with display screen, is integrated with controller in the main box, and the pressure sensor and the display screen are equal It is electrically connected with the controller.

Preferably, the Combined filtering apptss include V-type frame, the two sides of the V-type frame are plate-shaped carrier, and two should Plate-shaped carrier is V-shaped, is fixed with board-like high efficiency particulate air filter and board-like activity by fixing piece from the inside to the outside on each plate-shaped carrier Carbon filter, the top of the V-type frame are equipped with square frame, are fixed with protective screen plate on the square frame.

Preferably, the board-like high efficiency particulate air filter is HEPA high efficiency particulate air filter or ULPA high efficiency particulate air filter.

Preferably, the front end of the collecting tank be it is horizontal greater than the liquid collecting region of set volume amount, after the collecting tank Inclined upward shape is held, the rear end side wall upper part of the collecting tank offers the long hole.

Preferably, bottom end and being located in the main box in the main box and being fixed with water conservancy diversion frame below negative pressure air duct.

Preferably, the water conservancy diversion frame is sheet metal structural.

On the basis of common knowledge of the art, above-mentioned each optimum condition, can any combination to get the utility model respectively compared with Good example.

The positive effect of the utility model is:

1, it is efficiently treated through before polluted gas enters main box ducting system, so that the cleaning in user's operation region Degree improves about 100,000 times, and entire rear end ducting system can be protected not to be contaminated, and improves service life of equipment.

2, processing, removal or reduction venomous injurant are improved before polluted gas enters main box ducting system Matter, can adequately protect environment but also the sample that adequately protects, so can be higher than protozoa safety cabinet in security level, use In terms of purposes also more extensively, the needs of different user can be met.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the Biohazard Safety Equipment of the utility model preferred embodiment.

Fig. 2 is the structural schematic diagram of the Combined filtering apptss of the utility model preferred embodiment.

Fig. 3 is the Biohazard Safety Equipment flow pattern figure of the utility model preferred embodiment.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model Example, those of ordinary skill in the art's every other embodiment obtained without making creative work, all belongs to In the range of the utility model protection.

As shown in Figure 1, the present embodiment provides a kind of ultra-clean Biohazard Safety Equipments comprising main box 1, bracket 2 and water conservancy diversion Case 3,2 top of bracket are fixed with the main box 1, and the bottom end of the main box 1 is fixed with the guide tank 3, which is placed in this In bracket 2.

Lower area is fixed with worktable panel 19 in the main box 1,1 inner wall of main box and the worktable panel 19 it Between be equipped with multiple grate openings, the bottom end of the worktable panel 19 is fixed with collecting tank 21, and the front end of the collecting tank 21 is greater than setting The liquid collecting region of constant volume accumulated amount (such as 4 liter capacities) is horizontal, the inclined upward shape in the rear end of the collecting tank 21, the collecting tank 21 rear end side wall upper part offers long hole, and sealing is fixed with the Combined filtering apptss 12, the modular filter in the long hole Device 12 is placed in the guide tank 3, and the top of the Combined filtering apptss 12 is equipped with filter screen or orifice plate 10, the guide tank 3 Top and be located at the lower section in negative pressure air duct 7 in the main box 1 and be provided with pressure sensor 11, the front of the main box 1 is embedded There is display screen 17, be integrated with controller in the main box 1, which is used to receive the pressure that the pressure sensor 11 transmission comes It is worth and controls the display screen 17 and shows the pressure value.

Wherein, as shown in Fig. 2, the Combined filtering apptss 12 include V-type frame, the two sides of the V-type frame are plate Bracket 121, two plate-shaped carriers 121 are V-shaped, are fixed with plate by fixing piece 122 from the inside to the outside on each plate-shaped carrier 121 The top of formula high efficiency particulate air filter 123 and board-like active carbon filter 124, the V-type frame is equipped with square frame 125, the square box Protective screen plate 127 is fixed with by nut 126 on frame 125, which is HEPA high efficiency particulate air filter or ULPA High efficiency particulate air filter.

In the present embodiment, the collecting tank 21 of 19 bottom end of worktable panel is designed as inclination plus up concave type structure, and purpose is to work as When user tests, such as liquid bottles are toppled over accidentally or are splashed into after collecting tank 21, liquid not can enter modular filter In device 12, it must flow in the up concave type structure of front end along inclined collecting tank 21, be cleared up convenient for user.After collecting tank 21 End sloping portion design has an elongated square hole, can be mounted on one by one Combined filtering apptss 12 on reserved position, and solid Fixed and sealing.All gas stream of pollution, which are both needed to be introduced into Combined filtering apptss 12, to be handled.

In the present embodiment, for the improvement for realizing ducting system, in the lower end of main box 1, design has a sheet metal structural water conservancy diversion Frame 25, that is, bottom end and be located at the lower section in negative pressure air duct 7 in the main box 1 in the main box 1 and be fixed with water conservancy diversion frame 25, as this An important link for utility model ducting system, need to be seal-installed on host lower part, can lead the air-flow for having been subjected to processing Enter into the ducting system of host.

Combined filtering apptss 12 used by the present embodiment are designed as v-shaped structure, can gradually be overlapped mutually installation, to protect Demonstrate,prove the sealing of entire ducting system, all gas handled needed for guaranteeing all after Combined filtering apptss 12 are handled into Enter host ducting system.

The present embodiment is service life and the treatment effeciency for guaranteeing Combined filtering apptss, before each Combined filtering apptss End be designed with the backplate or protective net for being also possible to round hole with strip shape gob, can avoid such as napkin paper or film compared with bigger material into Enter Combined filtering apptss and influences air-flow treatment effect.

The utility model is the service condition for allowing user to understand Combined filtering apptss at any time, after Combined filtering apptss End position is provided with pressure sensor sampled point and carries out pressure monitor, and is shown on a user interface, including design has the longevity Order warning function.

As shown in Figure 1, operating area 20 is clean area, the safe space region of sample operation is carried out for user, it is left The stainless steel interior plate 9 that right rear wall is one of the forming forms, and corner is Rouno Cormer Pregrinding Wheel design, easy to clean and beautiful.Operating space Domain upper end is homogenizing plate 16, and effect is to maintain the uniformity of wind that decline filter 15 drop down so that operating area 20 from The equally distributed each point wind speed uniformity of 30cm position height is maintained within 20% worktable panel 19 above.

If Biohazard Safety Equipment uniformity is bad, it may cause that product cannot get safeguard protection or there are between product The risk of cross contamination may.It is that moveable glass door 18, general Lift are 16 up and down in the front end of operating area 20 To 25cm, for the Lift which sets as 20cm, which obtained by many experiments conclusion, high because opening Degree is different, and the horizontal intake volume of Biohazard Safety Equipment is then different, and according to II grades of A2 type Bio-safety Cabinet Theories, outer exhaust air rate is equal to Horizontal intake, again and down current there are certain proportionate relationships.So consider complete machine total blast volume and proportion relation and The personal protection requirement of Biohazard Safety Equipment, horizontal air quantity need to be greater than 0.5 meter per second, so for comprehensive, the glass of the Biohazard Safety Equipment It is more appropriate that 18 Lift of glass door is set as 20cm.

9 rear wall upper right side of interior plate is provided with micro- air velocity transducer and temperature sensor 8, the purpose is to monitor and stablize The mean wind speed and temperature of operating area 20 make the wind speed of operating area 20 remain at the air speed value range of setting, it is ensured that Safeguard protection.Also, real-time wind speed can be displayed on the liquid crystal display 17 at the front lower middle part of front shroud 14, and user is grasping It can intuitively be observed when making.If wind speed goes beyond the scope, it will do it sound-light alarm and remind user.It is set in the preceding upper end of operating area 20 It is equipped with ultraviolet lamp, can open or reserve unlatching after closing glass door and carry out disinfection.The each side setting of operating area 20 There are a water-proofing power socket and two reserved hole locations, water valve and air valve etc. are installed according to actual needs for user.

1 front of main box is front shroud 14, and inside is equipped with electric appliance box, shows that liquid crystal display and operation panel 17 are installed on Front shroud middle and lower part, angle design are observed and are operated convenient for user.14 inside lower end of front shroud is provided with two fluorescent tubes 22, the illumination for operating area 20.

1 upper interior portion region of main box is equipped with exhaust-air filter 4, blower 5, positive pressure air duct 6 and decline filter 15, shape At a barotropic field, blower 5 run after by wind to two filters to reach required wind speed.6 outside area of positive pressure air duct Domain is since the effect of blower 5 forms negative pressure section, in this way, the design of negative pressure protection positive pressure is formed, even if working as positive pressure air duct Due to certain original generation it is damaged in the case where, also can by the protection of negative pressure region, will not make pollution leak to main box 1 it Outside, it ensure that safety.Moreover the seams of all splicings of main box 1, welding are all made of encapsulation process, just ensure that in many ways practical The safety of new bio safety cabinet.Meanwhile pressure sensor apparatus sample point 23 is provided in the barotropic field, for monitoring The pressure value of barotropic field changes, and is simultaneously displayed on 17 region of liquid crystal display, understands positive pressure pressure value situation of change, the palm convenient for user Holding the variation of barotropic field filter resistance can be appreciated that the service life situation of filter.

Such as Fig. 1, in 1 upper end of main box, 4 top of discharging filtering device is also equipped with a gentle breeze speed sensor device, equally For monitoring the size of outlet wind speed, while also by wind speed sizes values real-time display on liquid crystal display 17, the palm is understood convenient for user Hold the correlated performance of machine.

Such as Fig. 1,1 lower area of main box is provided with collecting tank 21 in 19 lower end of worktable panel, which passes through Special designing, Front-end Design are the liquid collecting region greater than 4 liter capacities, and rear portion is to tilt upward, in order to guarantee contaminated area The cleanablity in domain, if having liquid to flow down on worktable panel 19, which ensure that liquid is not accumulated in rear end, Front side liquid collecting region can be actively flowed to, cleans and sterilizes convenient for user.21 rear portion of collecting tank is provided with installation combined type The region of filter device, for installing Combined filtering apptss, while the region is ensure that in design if worktable panel All directions are splashed or are toppled over if any liquid and will not be flowed directly into liquid in Combined filtering apptss on 19.

Such as Fig. 2, diagram 12 is Combined filtering apptss, can be mounted on reserved area, each modular filter dress one by one It sets 12 upper ends and designs and filter webs or orifice plate 10 are installed, it is therefore prevented that such as scraps of paper or film are inhaled accidentally due to user's operation The risk for entering Combined filtering apptss 12 and blocking.So far, the Combined filtering apptss 12 being installed, by entire negative pressure air duct System is isolated, all extraneous air entered, and the gas of the pollution and irritant smell that generate in operating process is both needed to Formula filter device 12 is combined to be pre-processed.All components of rear portion ducting system are played to a certain extent Protective effect, can effectively extend the service life of rear portion components.In 12 rear end of Combined filtering apptss, 3 upper back of guide tank peace Full cabinet has the pressure sensor apparatus sampled point of Combined filtering apptss 12, is equally used for the resistance of monitoring Combined filtering apptss 12 Power and life situations are shown on liquid crystal display 17.

Such as the Biohazard Safety Equipment flow pattern figure that Fig. 3 is the utility model.As shown, room air is from front window operation port Into safety cabinet, plays the role of protecting operator, distribute the polluted gas of volatilization before worktable panel 19 in conjunction with sample Each grid hole in left and right enters Combined filtering apptss 12 afterwards, by high efficiency filter and adsorption treatment and purify after by 3 channel of guide tank Enter blower 5 after into negative pressure air duct 7 on rear side of main box, by after wind to positive pressure air duct 6 after 5 suction airflow of blower, about 70% Air-flow through decline 15 filter of filter be blown into operating area 20, about 30% air-flow is after 4 filter of exhaust-air filter It is blown out in environment.

From whole air-flow trend it is easy to see that being compared with traditional biological safety cabinet, the utility model Biohazard Safety Equipment Advantage, that is, all gas stream of pollution into main box 1 must enter back into after the processing of Combined filtering apptss 12, in certain journey 1 inside air channel structure of main box is protected on degree, reduces pollution.More solve common Biohazard Safety Equipment it is insurmountable for Penetrating odor, the adsorption treatment of volatile flavor etc..Therefore the utility model Biohazard Safety Equipment at the gas on to traditional biological Safety cabinet is improved, and plays better protective effect to product protection and environmental protection.

The utility model will be safer and conveniently in terms of safeguarding and replacing Combined filtering apptss, traditional biological safety cabinet Because entire inner chamber body be it is contaminated, filter and box house component are both needed to carry out complicated disinfection treatment, Er Qiebi Must close blower state, blower be also it is contaminated, process is quite cumbersome.In the whole process, operator must be full Arms are to avoid infected.Ducting system designed by the utility model then changes the generation of such case, all dirts completely Dye is concentrated in Combined filtering apptss, and end spaces are clean unpolluted regions thereafter.Substantially prolong master It in the service life of each component in cabinet, does not need to disinfect needing to open cabinet yet, it is very safe.In Combined filtering apptss Be also when filter accumulation needs replacing to a certain extent it is quite safe, replacement when do not need close blower, so more Changing is carried out under negative pressure state, quite safe to operator.Operator only need to be with pollution recyclable device in operating area It inside can be completed, all whole process are extremely secure for operator.

After air-flow enters host ducting system after efficient process and absorption, the dirt of entire host system can be thoroughly protected Dye, including air duct metal plate side wall, blower, discharging filtering device and decline filter etc., extend making for these components from using With the service life, the long-time service cost of user is reduced.

Although the foregoing describe specific embodiment of the present utility model, it will be appreciated by those of skill in the art that These are merely examples, and the protection scope of the utility model is defined by the appended claims.Those skilled in the art Member can make numerous variations or be repaired to these embodiments under the premise of without departing substantially from the principles of the present invention and essence Change, but these change and modification each fall within the protection scope of the utility model.

Claims (4)

1. a kind of ultra-clean Biohazard Safety Equipment, which is characterized in that it includes main box, bracket and guide tank, and the cantilever tip is solid Surely there is the main box, the bottom end of the main box is fixed with the guide tank, which is placed in the bracket；

Lower area is fixed with worktable panel in the main box, is equipped between the main box inner wall and the worktable panel multiple The bottom end of grate opening, the worktable panel is fixed with collecting tank, and the rear end of the collecting tank offers long hole, and sealing is solid in the long hole Surely there are Combined filtering apptss, which is placed in the guide tank, the top installation of the Combined filtering apptss There are filter screen or an orifice plate, the top of the guide tank and be located in the main box and be provided with pressure sensor below negative pressure air duct, The front of the main box is embedded with display screen, is integrated with controller in the main box, the pressure sensor and the display screen with Controller electrical connection；

The Combined filtering apptss include V-type frame, and the two sides of the V-type frame are plate-shaped carrier, and two plate-shaped carriers are in V Type is fixed with board-like high efficiency particulate air filter and board-like active carbon filter by fixing piece from the inside to the outside on each plate-shaped carrier, the V The top of type frame is equipped with square frame, is fixed with protective screen plate on the square frame；

The board-like high efficiency particulate air filter is HEPA high efficiency particulate air filter or ULPA high efficiency particulate air filter.

2. ultra-clean Biohazard Safety Equipment as described in claim 1, which is characterized in that the front end of the collecting tank is to hold greater than setting The liquid collecting region of accumulated amount is horizontal, and the inclined upward shape in the rear end of the collecting tank, the rear end side wall upper part of the collecting tank opens up There is the long hole.

3. ultra-clean Biohazard Safety Equipment as described in claim 1, which is characterized in that in the main box bottom end and be located at the main tank Water conservancy diversion frame is fixed with below internal negative pressure air duct.

4. ultra-clean Biohazard Safety Equipment as claimed in claim 3, which is characterized in that the water conservancy diversion frame is sheet metal structural.