Biohazard Safety Equipment
Technical field
The present invention relates to a kind of decontaminating apparatus, be specifically related to a kind of toxicity or infective virus or pathogenic bacteria experiment disinfectant Biohazard Safety Equipment of being used for.
Background technology
For preventing that leukorrhagia stopping toxicity or infective virus infect surrounding or harm experimenter in experimentation, above-mentioned experiment is carried out in sterilizable environment usually, promptly pathogenic bacteria or the virus that may reveal in the experimentation are killed timely, as the disclosed technical scheme of Chinese patent CN99254600, CN99254600 discloses the aseptic purifying tank of a kind of check, it is made of cabinet and cabinet door, wherein cabinet comprises apotheca, stream chamber and sterile chamber loose, the cabinet door is the double-deck transparent doors that is embedded with sealing strip, air exhauster is arranged on the rear portion of cabinet and is bled in cabinet inside, forms sterilization by bleeding, the filtration cycle process.If the problem that the disclosed technical scheme of CN99254600 exists mainly is to test in described aseptic purifying tank, because these cabinet body structure existing problems, it is little to form negative pressure in the cabinet, air in the cabinet is excessive easily, carries the air of pathogenic bacteria or virus in the cabinet and reveals from the open front of cabinet easily.Because the highly infective of virus and pathogenic bacteria, the virus of trace or the leakage of pathogenic bacteria all may produce serious consequence, as have the SARS virus of highly infective and bird flu virus etc., the structure of therefore improving existing safety cabinet to prevent the leakage of experimentation virus or pathogenic bacteria and guarantee environment and personal safety most important.
Summary of the invention
This utility model provides a kind of Biohazard Safety Equipment, this safety cabinet can make the air that carries pathogenic bacteria or virus in the safety cabinet as far as possible all flow into the circulation decontamination system of safety cabinet, the air that prevents to carry virus or pathogenic bacteria is avoided the generation of potential safety hazard to the Biohazard Safety Equipment external leakage.
This utility model further provides a kind of Biohazard Safety Equipment, and this safety cabinet can further prevent to carry pathogenic bacteria in the safety cabinet or viral air is revealed between the Men Tiyu of working area cabinet, guarantees the security performance of Biohazard Safety Equipment really.
For realizing goal of the invention of the present utility model, this utility model has adopted following technical proposals.
The utility model discloses a kind of Biohazard Safety Equipment, it is characterized in that, described Biohazard Safety Equipment comprises by left side wall, right side wall, roof, the cabinet that diapire and rear wall surround, cabinet middle part is provided with middle cross beam and along the horizontally disposed intermediate bulkheads of middle cross beam, intermediate bulkheads is divided into top filtering area and working area, bottom with cabinet, the front portion of filtering area is provided with sealing baffle, the anterior setting in working area is the door body of push-and-pull up and down, at least the cabinet of working area part is formed the air channel of hollow by inner bag and outer wall, the blower fan that is communicated with the air channel is set in the filtering area, being provided with in the roof of cabinet and/or the intermediate bulkheads can be by the air-permeative filter layer of blower fan air-supply, and the middle and lower part in the cholic outside and left side wall and the right side wall inner bag outside is provided with the air inlet that is communicated with the air channel in the diapire of working area at least.
The air inlet in the cholic outside extends to the crossbeam position at top in described left side wall and the right side wall.
Described middle cross beam is a hollow structure, and the front portion of crossbeam is provided with the air inlet that is communicated with blower fan.
Cholic rear wall bottom is provided with the air inlet that is communicated with the air channel in described.
Described filtering area is provided with blower fan and the isolated baffle plate of filtering area, and the air outlet of described blower fan is communicated with filtering area.
The front portion of described cabinet is outward-dipping from top to bottom.
Biohazard Safety Equipment in use, start blower fan, by air channel and the air inlet that is communicated with blower fan, the blower fan of air in the working area in the filtering area of top flows, the working area forms negative pressure, the cabinet ambient air is because the negative pressure of working area is mobile in cabinet, the filtering area on top, cabinet next door sent into inhaled air by blower fan by the air channel, the pressure of filtering area is greater than the pressure of working area, when in roof and intermediate bulkheads, the air-permeative filter layer being set all, air part in the filtering area enters in the atmosphere by the filter course on the roof, part is by entering the working area of cabinet bottom behind the filter course on the intermediate bulkheads, after the air that has virus or a pathogenic bacteria filters by filter course, virus wherein or pathogenic bacteria are adsorbed or kill, become purified air, therefore can prevent to enter in cabinet atmospheric gas carries virus or pathogenic bacteria, produces harm.
In this utility model; be provided with the door body of push-and-pull up and down in the Biohazard Safety Equipment working area; in experiment or checkout procedure; the push-and-pull of door body gets final product to being fit to the working region; promptly do not need the top of whole push-and-pulls to the working area; the door body push-and-pull behind the certain position on top, working area by backstop; between the upper portion door body of stop dog position and the safety cabinet casing by self sealing structure; and be the middle and lower part in the cholic outside and the left side wall and the right side wall inner bag outside in the diapire of working area in obstructed other positions of moving into one's husband's household upon marriage the sealing of body and cabinet; the air inlet that is communicated with the air channel is set; this air inlet can in time suck the pre-air that carries virus or pathogenic bacteria to the cabinet external leakage in the air channel; and send into and carry out sterilizing in the filter course; this air inlet also sucks the cabinet air outside in the air channel; the air that prevents to carry virus or pathogenic bacteria in the working area is to the cabinet external leakage, protection ring environment pollution and Sal personnel's health of human body.
Although the middle and lower part in the left side wall and the right side wall inner bag outside is provided with the air inlet that is communicated with the air channel, still there is the possibility of the slot leakage between door body top and cabinet in the air that carries pathogenic bacteria or virus, in this utility model, the air inlet in the cholic outside extends to the crossbeam position at top in described left side wall and the right side wall, prevented that the cabinet working area by door body and the sealing of cabinet self structure from may produce the problem generation of the escape of air that carries virus or pathogenic bacteria in the working area, make the internal flow to the working area of the cabinet that produces negative pressure between cabinet body door body and cabinet slit of safety cabinet air outside, prevent to carry in the working area air of virus or pathogenic bacteria to the cabinet external leakage.
Reveal in the safety cabinet atmosphere outside from door body top for the air that prevents to carry in the safety cabinet virus or pathogenic bacteria, described middle cross beam is a hollow structure, and the front portion of crossbeam is provided with the air inlet that is communicated with blower fan.
Air in time flows to the air filtration district that is positioned at cabinet top in the working area in order further to quicken, and makes the air that carries virus or pathogenic bacteria cycle through the filter course sterilizing as early as possible, and described interior cholic rear wall bottom is provided with the air inlet that is communicated with the air channel.
For preventing that the air in the safety cabinet from revealing to the safety cabinet outside from the bottom of safety cabinet working area, described in cholic rear wall bottom be provided with the air inlet that is communicated with the air channel.
For ease of experimentizing in the safety cabinet, the front portion of described cabinet is outward-dipping from top to bottom.
Adopt bio-safety cabinet of the present utility model; the problem that has prevented to carry the escape of air of virus or pathogenic bacteria produces; air and working area air outside in the cabinet are all flowed to filtering area; the air that prevents to carry virus or pathogenic bacteria in the working area is to the cabinet external leakage, protection ring environment pollution and Sal personnel's health of human body.
Description of drawings
Fig. 1 is the Biohazard Safety Equipment front view.
Fig. 2 is a Biohazard Safety Equipment frame structure front view.
Fig. 3 is a Biohazard Safety Equipment frame structure axonometric chart.
Fig. 4 is the Biohazard Safety Equipment side sectional view.
F portion enlarged drawing among Fig. 5 Fig. 4.
The specific embodiment
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Biohazard Safety Equipment shown in Figure 5, comprise cabinet 1, cabinet 1 comprises left side wall 11, right side wall 12, diapire 13, rear wall 14 and roof;
For saying something conveniently, the roof of safety cabinet is removed among Fig. 2, Fig. 3, Fig. 4, Fig. 5, only kept the roof framework.
The cabinet of working area is surrounded by inner bag 2 and outer wall 30, as shown in the figure, the bottom of the bottom of the left side wall 11 of cabinet 1, the bottom of right side wall 12, diapire 13, rear wall 14 (being the cabinet of working area) is a hollow structure, and hollow space forms the air channel, has saved outer wall among Fig. 2.
As shown in Figure 3, middle cross beam 3 is set and along the horizontally disposed intermediate bulkheads 4 of middle cross beam in the inner bag 2, the cabinet of bottom, next door forms working area 5, the cabinet on top, next door forms filtering area 6, the blower fan 7 that is communicated with the air channel is set in the filtering area 6, be provided with in the filtering area blower fan and the isolated baffle plate 60 of filtering area, the air outlet of blower fan is communicated with filtering area.
The front portion of working area 5 is provided with a body 8, and as shown in Figure 2, the inner bag left and right sides, working area sidewall arranged outside extends to the air inlet 9 on crossbeam top from the bottom;
As shown in Figure 4, be provided with the cover plate 17 that the forward opening of filtering area is sealed in the front portion of top filtering area 6.
As Fig. 4, shown in Figure 5, middle cross beam 3 is a hollow structure, and the front portion of crossbeam is provided with air inlet 31.
As Fig. 2, shown in Figure 3, rear wall 14 hollows, interior cholic rear wall bottom is provided with the air inlet 141 that is communicated with the hollow rear wall.
As shown in Figure 4, diapire 13 hollows, the arranged outside air inlet 131 of inner bag diapire.
As shown in Figure 4, the front portion of cabinet is outward-dipping from top to bottom
In the above-mentioned specific embodiment,, saved a plurality of outer walls of safety cabinet, only kept inner bag and framework, saved the cover plate 17 of sealing top filtering area 6 as Fig. 2, Fig. 3 for saying something conveniently.
When practical set, roof is provided with air-permeative filter layer 15, next door 3 is provided with air-permeative filter layer (not looking out in the view), and filter course can will be killed by the virus of carrying in the air wherein or pathogenic bacteria or adsorb, and filter course can be selected absorption or bactericidal disinfectant materials such as silica gel.
The structure of the Biohazard Safety Equipment that the above-mentioned specific embodiment adopts is in actual tests process loyalty, start Biohazard Safety Equipment, centrifugal blower rotates, blower fan makes the working area 5 that is positioned at 3 bottoms, next door form negative pressure, the air that virus or pathogenic bacteria are carried in the working area is detached the working area and is entered filtering area, the cabinet ambient air is because the negative pressure of working area is mobile in cabinet, blower fan 7 passes through the air channel with inhaled air, as Fig. 2, the Fig. 4 and the direction of arrow shown in Figure 5, send into the filtering area 6 on top, cabinet next door, air part in the filtering area enters in the atmosphere by the filter course on the roof 15, part continues circulation by the working area 5 that enters the cabinet bottom behind the filter course on the next door, after the air that has virus or a pathogenic bacteria filters by filter course, wherein virus or pathogenic bacteria are killed, become purified air, therefore can prevent to enter in cabinet atmospheric gas carries virus or pathogenic bacteria, produces harm.
In the above-mentioned specific embodiment; the air inlet 9 in the inner bag outside, working area; 131 and crossbeam on air inlet 31 with the pre-outwards flow air in cabinet working area and the cabinet outside; air between door body and the cabinet sucks in the air channel; carry out sterilizing by filtering area and filter course; prevented that original safety cabinet from may produce the problem of the escape of air that carries virus or pathogenic bacteria in the working area; make the internal flow to the working area of the cabinet bottom that produces negative pressure between cabinet body door body and cabinet slit of safety cabinet air outside; the air that prevents to carry virus or pathogenic bacteria in the working area is to the cabinet external leakage, protection ring environment pollution and Sal personnel's health of human body.