CN108246369A - Biohazard Safety Equipment with Combined filtering apptss - Google Patents
Biohazard Safety Equipment with Combined filtering apptss Download PDFInfo
- Publication number
- CN108246369A CN108246369A CN201711448990.5A CN201711448990A CN108246369A CN 108246369 A CN108246369 A CN 108246369A CN 201711448990 A CN201711448990 A CN 201711448990A CN 108246369 A CN108246369 A CN 108246369A
- Authority
- CN
- China
- Prior art keywords
- main box
- fixed
- combined filtering
- filtering apptss
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L1/00—Enclosures; Chambers
-
- 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
- B01D46/0005—Mounting of filtering elements within casings, housings or frames
- B01D46/0008—Two or more filter elements not fluidly connected positioned in the same housing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L1/00—Enclosures; Chambers
- B01L1/04—Dust-free rooms or enclosures
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The present invention discloses a kind of Biohazard Safety Equipment with Combined filtering apptss, and including main box, stent and guide tank, 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 stent；Lower area is fixed with worktable panel in main box, multiple grate openings are offered on worktable panel, Combined filtering apptss are fixed in guide tank, the top of Combined filtering apptss is equipped with filter screen or orifice plate, the top of guide tank and pressure sensor is provided with below negative pressure air duct in the main box, the front of main box is embedded with display screen, and controller is integrated in main box；Combined filtering apptss include V-type frame, the both sides of V-type frame are plate-shaped carrier, two plate-shaped carriers are V-shaped, board-like high efficiency particulate air filter and board-like active carbon filter are fixed with by fixing piece from the inside to the outside on each plate-shaped carrier, the top of V-type frame is equipped with square frame, and protective screen plate is fixed on square frame.
Description
Technical field
The present invention relates to a kind of Biohazard Safety Equipment, more particularly to a kind of bio-safety with Combined filtering apptss
Cabinet.
Background technology
General Biohazard Safety Equipment requires that efficient HEPA or ULPA and more than grade filters need to be equipped with according to its standard,
Effect is to intercept to be more than 0.3um dust particles in air, and filter efficiency reaches >=99.995%, to ensure that Biohazard Safety Equipment operates
The cleanliness factor in section.Gas stream of pollution enters about 70% gas recirculation after ducting system, and safety is discharged after about 30% airflow filtering
In cabinet to environment.This common Biohazard Safety Equipment can meet most routine experimentation work.
But when user's progress higher risk experimental implementation, such as during the compound of cytotoxin class high risk, commonly
The Biohazard Safety Equipment of design can not meet requirement.Because operation and prepare cytotoxic drugs need it is special by some
Operating process, these processes must stringent cleanliness and safety environment under carry out, and be related to Pharmaceutical Analysis and prepare
Operating personnel 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. are generated, HEPA filters 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 lead to laboratory sample is dirty
It contaminates and the failure of an experiment.
Invention content
The present invention is in view of the problems of the existing technology and insufficient, provides a kind of biology peace with Combined filtering apptss
Full cabinet can greatly improve gas processing capability, can provide ultra-clean operating space.
The present invention is to solve above-mentioned technical problem by following technical proposals：
The present invention provides a kind of Biohazard Safety Equipment with Combined filtering apptss, and feature is, including main box,
Stent and guide tank, the cantilever tip are fixed with the main box, and the bottom end of the main box is fixed with the guide tank, which puts
In the stent；
Lower area is fixed with worktable panel in the main box, and multiple grate openings are offered on the worktable panel, should
Combined filtering apptss are fixed in guide tank, the top of the Combined filtering apptss is equipped with filter screen or orifice plate, the water conservancy diversion
The top of case and pressure sensor is provided with below negative pressure air duct in the main box, the front of the main box is embedded with aobvious
Display screen is integrated with controller in the main box, which is used to receive the pressure value that pressure sensor transmission comes and control
The display screen shows the pressure value；
The Combined filtering apptss include V-type frame, and the both sides of the V-type frame are plate-shaped carrier, two plate branch
Frame is V-shaped, is fixed with board-like high efficiency particulate air filter by fixing piece from the inside to the outside on each plate-shaped carrier and board-like activated carbon filters
Device, the top of the V-type frame are equipped with square frame, protective screen plate are fixed on the square frame.
Preferably, the board-like high efficiency particulate air filter is HEPA high efficiency particulate air filters or ULPA high efficiency particulate air filters.
Preferably, the bottom end of the worktable panel is fixed with collecting tank, the front end of the collecting tank is more than set volume amount
Liquid collecting region it is horizontal, the inclined upward shape in rear end of the collecting tank, the rear end side wall upper part of the collecting tank offers length
Hole, the slot hole interior sealing are fixed with the Combined filtering apptss.
Preferably, bottom end and water conservancy diversion frame is fixed with below negative pressure air duct in the main box in the main box.
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 be combined arbitrarily to get each preferable reality of the present invention
Example.
The positive effect of the present invention is：
1st, 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.
2nd, 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 safe class, use
In terms of purposes also more extensively, the needs of different user can be met.
Description of the drawings
Fig. 1 is the structure diagram of the Biohazard Safety Equipment of present pre-ferred embodiments.
Fig. 2 is the structure diagram of the Combined filtering apptss of present pre-ferred embodiments.
Fig. 3 is the Biohazard Safety Equipment flow pattern figure of present pre-ferred embodiments.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
The all other embodiments obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.
As shown in Figure 1, the present embodiment provides a kind of Biohazard Safety Equipment with Combined filtering apptss, including main box
1st, stent 2 and guide tank 3,2 top of stent are fixed with the main box 1, and the bottom end of the main box 1 is fixed with the guide tank 3, should
Guide tank 3 is placed in the stent 2.
Lower area is fixed with worktable panel 19 in the main box 1, and multiple grids are offered on the worktable panel 19
Hole, the bottom end of the worktable panel 19 are fixed with collecting tank 21, and the front end of the collecting tank 21 is more than set volume amount (such as 4
Liter capacity) liquid collecting region it is horizontal, the inclined upward shape in rear end of the collecting tank 21, on the rear end side wall of the collecting tank 21
Portion offers slot hole, which is fixed with the Combined filtering apptss 12, which is placed in this and leads
It flows in case 3, the tops of the Combined filtering apptss 12 is equipped with filter screen or orifice plate 10, the top of the guide tank 3 and positioned at should
The lower section in negative pressure air duct 7 is provided with pressure sensor 11 in main box 1, and the front of the main box 1 is embedded with display screen 17, the master
Controller is integrated in babinet 1, which is used to receive the pressure value that the pressure sensor 11 transmission comes and controls the display
Screen 17 shows the pressure value.
Wherein, as shown in Fig. 2, the Combined filtering apptss 12 include V-type frame, the both sides of the V-type frame are plate
Stent 121, two plate-shaped carriers 121 are V-shaped, and plate is fixed with by fixing piece 122 from the inside to the outside on each plate-shaped carrier 121
Formula high efficiency particulate air filter 123 and board-like active carbon filter 124, the top of the V-type frame are 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 filters 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 tilting plus up concave type structure, and purpose is works as
When user is tested, such as liquid bottles are toppled over accidentally or are splashed into after collecting tank 21, liquid cannot 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
Holding sloping portion design, there are one elongated square holes, can be mounted on Combined filtering apptss 12 on reserved position, and solid one by one
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, to realize the improvement of ducting system, in the lower end of main box 1, there are one sheet metal structural water conservancy diversion for design
Frame 25, that is, the bottom end and lower section in negative pressure air duct 7 is fixed with water conservancy diversion frame 25 in the main box 1 in the main box 1, as this
An important link for invention ducting system, need to be seal-installed on host lower part, can imported into the air-flow for having been subjected to processing
In the ducting system of host.
Combined filtering apptss 12 are designed as v-shaped structure used by the present embodiment, can gradually be overlapped mutually installation, to protect
Demonstrate,prove the sealing of entire ducting system, ensure needed for all gas that handles all after Combined filtering apptss 12 are handled into
Enter host ducting system.
The present embodiment is service life and the treatment effeciency for ensureing Combined filtering apptss, before each Combined filtering apptss
End be designed with can also be with strip shape gob round hole backplate or protecting wire net, can avoid such as napkin paper or film compared with bigger material into
Enter Combined filtering apptss and influence air-flow treatment effect.
The present invention is allows user to understand the service condition of Combined filtering apptss at any time, in Combined filtering apptss rear end position
It installs and is equipped with pressure sensor sampled point progress pressure monitor, and shown on a user interface, including being designed with service life report
Alert 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 be homogenizing plate 16, effect be to maintain decline 15 drop down of filter wind uniformity so that operating area 20 from
The equally distributed each point wind speed uniformity of 30cm position heights is maintained within 20% worktable panel 19 above.
If Biohazard Safety Equipment uniformity is bad, product may be caused to cannot get safeguard protection or there are between product
The risk of cross contamination may.It is moveable glass door 18 up and down in the front end of operating area 20, general Lift is 16
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 more than 0.5 meter per second, so for comprehensive, the glass of the Biohazard Safety Equipment
It is more suitable 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 14 front lower middle part of front shroud, and user is being grasped
It can intuitively be observed when making.If wind speed goes beyond the scope, sound-light alarm can be carried out and remind user.It is set in 20 preceding upper end of operating area
Ultraviolet lamp is equipped with, can open or preengage unlatching after glass door is closed carries out disinfection.The each side setting of operating area 20
There are one water-proofing power socket and two preformed hole positions, install water valve and air valve etc. according to actual needs for user.
1 forepart 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, for the illumination of operating area 20.
1 upper interior portion region of main box is equipped with exhaust-air filter 4, wind turbine 5, positive pressure air duct 6 and declines filter 15, shape
Into a barotropic field, wind turbine 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 wind turbine 5 forms negative pressure section, in this way, the design of negative pressure protection positive pressure is formed, even if when positive pressure air duct
Generated since certain is original it is damaged in the case of, can also be protected by negative pressure region, will not make pollution leak to main box 1 it
Outside, it ensure that safety.Moreover all splicings of main box 1, the seam of welding use encapsulation process, just ensure that the present invention in many ways
The safety of Biohazard Safety Equipment.Meanwhile pressure sensor apparatus sample point 23 is provided in the barotropic field, for monitoring positive pressure
The pressure value variation in region, is simultaneously displayed on 17 region of liquid crystal display, understands positive pressure pressure value situation of change convenient for user, grasps just
The variation of intermediate pressure section 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 installed there are one gentle breeze speed sensor device, equally
For monitoring the size of outer air draft speed, while also by wind speed sizes values real-time display on liquid crystal display 17, understand convenient for user and slap
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 more than 4 liter capacities, and rear portion is tilts upward, in order to ensure 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, is cleaned and is sterilized 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 will not be flowed directly into liquid in Combined filtering apptss if any there is liquid to splash or topple on 19.
Such as Fig. 2, it is illustrated that 12 be Combined filtering apptss, can be mounted on reserved area, each modular filter dress one by one
It puts 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 that installation is complete, by entire negative pressure air duct
System is isolated, all extraneous air entered, and the gas of the pollution generated in operating process and irritant smell is both needed to
Formula filter device 12 is combined to be anticipated.All components of rear portion ducting system are played to a certain extent
Protective effect can effectively extend the service life of rear portion parts.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 present invention.As shown in the figure, room air enters from front window gathering hole
Safety cabinet plays the role of protecting operating personnel, and the polluted gas of volatilization is distributed from 19 each grid of worktable panel with reference to sample
Hole enters Combined filtering apptss 12, after entering main box by 3 channel of guide tank by high efficiency filter and adsorption treatment and after purifying
Enter wind turbine 5 behind side negative pressure air duct 7, by after wind to positive pressure air duct 6 after 5 suction airflow of wind turbine, about 70% air-flow is through decline
15 filter of filter is blown into operating area 20, and about 30% air-flow is blown out to after 4 filter of exhaust-air filter in environment.
It is moved towards from whole air-flow it is easy to see that compared with traditional biological safety cabinet, the advantages of the invention Biohazard Safety Equipment
I.e. all gas stream of pollution into main box 1 must enter back into after the processing of Combined filtering apptss 12, to a certain extent
1 inside air channel structure of main box is protected, reduces pollution.It is insurmountable for stimulation more to solve common Biohazard Safety Equipment
The adsorption treatment of property smell, volatile flavor etc..Therefore the invention Biohazard Safety Equipment at the gas on to traditional biological safety cabinet into
It has gone improvement, better protective effect is played to product protection and environmental protection.
The present invention will be safer and conveniently in terms of safeguarding and replacing Combined filtering apptss, and traditional biological safety cabinet is because whole
A inner chamber body is contaminated, and filter and box house component are both needed to carry out complicated disinfect and it is necessary to close
The state of wind turbine is closed, wind turbine is also contaminated, and process is quite cumbersome.In whole process, operating personnel must be fully armed
To avoid infected.Ducting system designed by the present invention then changes the generation of such case completely, and all pollutions are collected
In in Combined filtering apptss, end spaces are clean unpolluted regions thereafter.It substantially prolongs each in main box
It is the service life of component, very safe even if needing to open babinet also without disinfecting.In Combined filtering apptss filter accumulation
It is also quite safe when needing replacing to a certain extent, does not need to close wind turbine when replacing, so it is negative to replace
It is carried out under pressure condition, it is quite safe to operating personnel.Operating personnel only need to use pollution retracting device can be complete in operating area
Into all whole process are extremely secure for operating personnel.
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, wind turbine, discharging filtering device and declines filter etc., making for these components is extended from using
With the service life, the long-time service cost of user is reduced.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that these
It is merely illustrative of, protection scope of the present invention is defined by the appended claims.Those skilled in the art is not carrying on the back
Under the premise of from the principle and substance of the present invention, many changes and modifications may be made, but these are changed
Protection scope of the present invention is each fallen with modification.
Claims (5)
1. a kind of Biohazard Safety Equipment with Combined filtering apptss, which is characterized in that it includes main box, stent 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 stent
In；
Lower area is fixed with worktable panel in the main box, and multiple grate openings are offered on the worktable panel, the water conservancy diversion
Combined filtering apptss are fixed in case, the top of the Combined filtering apptss is equipped with filter screen or orifice plate, the guide tank
Top and pressure sensor is provided with below negative pressure air duct in the main box, the front of the main box is embedded with display
Shield, controller is integrated in the main box, which is used to receive the pressure value that pressure sensor transmission comes and control to be somebody's turn to do
Display screen shows the pressure value；
The Combined filtering apptss include V-type frame, and the both 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 on each plate-shaped carrier, the V by fixing piece from the inside to the outside
The top of type frame is equipped with square frame, and protective screen plate is fixed on the square frame.
2. Biohazard Safety Equipment as described in claim 1, which is characterized in that the board-like high efficiency particulate air filter is HEPA high efficiency particulate air filters
Or ULPA high efficiency particulate air filters.
3. Biohazard Safety Equipment as described in claim 1, which is characterized in that the bottom end of the worktable panel is fixed with collecting tank,
The front end of the collecting tank is, the rear end inclined upward shape of the collecting tank horizontal more than the liquid collecting region of set volume amount,
The rear end side wall upper part of the collecting tank offers slot hole, which is fixed with the Combined filtering apptss.
4. Biohazard Safety Equipment as described in claim 1, which is characterized in that bottom end and born in the main box in the main box
Pressure is fixed with water conservancy diversion frame below air duct.
5. Biohazard Safety Equipment as claimed in claim 4, which is characterized in that the water conservancy diversion frame is sheet metal structural.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711448990.5A CN108246369A (en) | 2017-12-27 | 2017-12-27 | Biohazard Safety Equipment with Combined filtering apptss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711448990.5A CN108246369A (en) | 2017-12-27 | 2017-12-27 | Biohazard Safety Equipment with Combined filtering apptss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108246369A true CN108246369A (en) | 2018-07-06 |
Family
ID=62724418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711448990.5A Pending CN108246369A (en) | 2017-12-27 | 2017-12-27 | Biohazard Safety Equipment with Combined filtering apptss |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108246369A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115162295A (en) * | 2021-04-06 | 2022-10-11 | 浙江华东工程建设管理有限公司 | A safety protection net for dark culvert tunnel construction |
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| CN200945410Y (en) * | 2006-05-16 | 2007-09-12 | 北京康孚环境控制有限公司 | Metal net plate type air filtering and purifying device |
| CN200984509Y (en) * | 2006-12-22 | 2007-12-05 | 上海力申科学仪器有限公司 | Biology safe cabinet having workstation panel with integrated structure |
| WO2015100612A1 (en) * | 2013-12-31 | 2015-07-09 | 深圳市第二人民医院 | Human knee-joint cartilage cell in-vitro amplification method for clinic treatment |
| CN204544219U (en) * | 2015-04-13 | 2015-08-12 | 湖南省生宝生物科技有限公司 | Biohazard Safety Equipment |
| CN107126982A (en) * | 2017-06-26 | 2017-09-05 | 太仓斯普宁精密机械有限公司 | One kind cleans easily Nagative pressure bio-safty cabinet |
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2017
- 2017-12-27 CN CN201711448990.5A patent/CN108246369A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200945410Y (en) * | 2006-05-16 | 2007-09-12 | 北京康孚环境控制有限公司 | Metal net plate type air filtering and purifying device |
| CN200984509Y (en) * | 2006-12-22 | 2007-12-05 | 上海力申科学仪器有限公司 | Biology safe cabinet having workstation panel with integrated structure |
| WO2015100612A1 (en) * | 2013-12-31 | 2015-07-09 | 深圳市第二人民医院 | Human knee-joint cartilage cell in-vitro amplification method for clinic treatment |
| CN204544219U (en) * | 2015-04-13 | 2015-08-12 | 湖南省生宝生物科技有限公司 | Biohazard Safety Equipment |
| CN107126982A (en) * | 2017-06-26 | 2017-09-05 | 太仓斯普宁精密机械有限公司 | One kind cleans easily Nagative pressure bio-safty cabinet |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115162295A (en) * | 2021-04-06 | 2022-10-11 | 浙江华东工程建设管理有限公司 | A safety protection net for dark culvert tunnel construction |
| CN115162295B (en) * | 2021-04-06 | 2024-05-17 | 浙江华东工程建设管理有限公司 | Safety protection net for tunnel construction of hidden culvert |
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Application publication date: 20180706 |
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