CN209952916U - Device for life support system in biological safety - Google Patents
Device for life support system in biological safety Download PDFInfo
- Publication number
- CN209952916U CN209952916U CN201822071226.7U CN201822071226U CN209952916U CN 209952916 U CN209952916 U CN 209952916U CN 201822071226 U CN201822071226 U CN 201822071226U CN 209952916 U CN209952916 U CN 209952916U
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- air
- filtering
- cavity
- pipe
- biological safety
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- 238000001035 drying Methods 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 238000012360 testing method Methods 0.000 claims abstract description 9
- 238000001914 filtration Methods 0.000 claims description 89
- 238000005192 partition Methods 0.000 claims description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 238000009298 carbon filtering Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 230000001954 sterilising effect Effects 0.000 claims description 4
- 238000004108 freeze drying Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000000241 respiratory effect Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000029058 respiratory gaseous exchange Effects 0.000 description 5
- 239000000126 substance Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 206010006322 Breath holding Diseases 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003124 biologic agent Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012864 cross contamination Methods 0.000 description 1
- 208000002173 dizziness Diseases 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 244000000010 microbial pathogen Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
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Abstract
The utility model discloses a life support device for system among biological safety, including biological safety laboratory, biological safety laboratory is connected with a plurality of air supply system of group, and air supply system is including air compressor, air filter, drying device and the air buffer tank of pipe connection in proper order, and the air buffer tank is connected with terminal gas-supply pipe, and terminal gas-supply pipe is connected to biological safety laboratory. A first branch pipe is arranged between the drying machine and the air buffer tank, the first branch pipe is connected with an emptying pipeline and a first testing pipeline, an air leakage electromagnetic valve is configured on the emptying pipeline, and the first testing pipeline is connected with a first online compressed air detection device. This biological safety laboratory is connected with more than a set of air supply system to when a set of air supply system broke down or became invalid, can have other group's air supply system to provide respiratory air for biological laboratory, thereby guarantee the health and the life safety of experimenter.
Description
Technical Field
The utility model belongs to the technical field of the laboratory, specifically speaking relates to a life support device for system in biological safety.
Background
The core of the biosafety laboratory is safety, and in order to prevent cross contamination, the following principle must be followed to establish the number of main laboratories: only one experimental activity of highly pathogenic microorganisms can be carried out in the same independent safety area of the same laboratory. The life support system is necessary for a positive pressure patient type BSL-4 laboratory and provides stable and comfortable breathing air for experimenters; once the supply is cut off, the positive pressure is unbalanced, and the experimenter can have symptoms of dizziness and breath holding; once negative pressure occurs, the experimenter may be contaminated with harmful biological agents.
SUMMERY OF THE UTILITY MODEL
To foretell not enough among the prior art, the utility model provides a life supports device for system among biosafety, this device can provide stable breathing air for biosafety laboratory, guarantees experimenter's health and life safety.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a life support device for system in biological safety, includes biological safety laboratory, and biological safety laboratory is connected with a plurality of air supply system of group, and air supply system is including air compressor, air filter, drying device and the air buffer tank of pipe connection in proper order, and the air buffer tank is connected with terminal gas-supply pipe, and terminal gas-supply pipe is connected to biological safety laboratory.
A first branch pipe is arranged between the drying machine and the air buffer tank, the first branch pipe is connected with an emptying pipeline and a first testing pipeline, an air leakage electromagnetic valve is configured on the emptying pipeline, and the first testing pipeline is connected with a first online compressed air detection device.
The tail end gas transmission pipe is connected with a second branch pipe, and the second branch pipe is connected with a second online compressed air detection device.
In an embodiment of the present invention, the air supply system is provided with 3 sets, wherein 2 sets of air supply systems are set as common air supply systems, and 1 set of air supply systems is set as standby air supply systems.
In an embodiment of the present invention, the drying device is a freezing drying device, and a pipeline heating device is disposed on the pipeline between the drying device and the air buffer tank.
In an embodiment of the present invention, a pressure reducing valve is disposed in the end gas pipe, and an activated carbon filtering device and a bacteria removing device are connected between the pressure reducing valve and the biological safety laboratory.
In an embodiment of the present invention, the air filtering device includes a cylinder, a rotating bracket is provided in the cylinder, the rotating bracket includes an upper plate, a lower plate, and a side casing fixedly connected between the upper plate and the lower plate, a main filtering cavity is provided in the side casing, a main partition is fixedly connected in the main filtering cavity, the main partition divides the main filtering cavity into 2 semicircular cavities, a pair of auxiliary partitions are fixedly connected in the semicircular cavities, the semicircular cavities are divided into a first filtering cavity, a second filtering cavity and a third filtering cavity by the auxiliary partitions, and a filtering cartridge is configured in the first filtering cavity, the second filtering cavity and the third filtering cavity; the filter cartridge comprises a cylindrical filter part formed by rolling a filter layer.
The upper bottom plate is provided with an air guide hole communicated with the inside of the cylindrical filtering part in the first filtering cavity, the top of the cylinder is fixedly connected with an air inlet cavity, the air inlet cavity is connected with an air inlet connecting pipe, and the air inlet cavity is communicated with the air guide hole; a vent hole is formed in the auxiliary partition plate between the first filtering cavity and the second filtering cavity; a purifying air pipe is arranged at the bottom of the lower bottom plate, one end of the purifying air pipe is communicated with the cylindrical filtering part in the second filtering cavity, and the other end of the purifying air pipe is communicated with the cylindrical filtering part in the third filtering cavity; and an air outlet connecting pipe communicated with the third filtering cavity is arranged at the side part of the cylinder body.
In an embodiment of the present invention, an arc door is disposed on one side of the barrel, and a sealing pad is disposed between the arc door and the barrel.
In an embodiment of the present invention, a rotary cover is disposed at the center of the top of the barrel and is fixedly connected to the rotary bracket.
In an embodiment of the present invention, an oil-gas separator is disposed in the air intake chamber.
The utility model discloses an in the embodiment, the concave installation ring groove that is equipped with of upper plate lower surface and lower plate upper surface, tube-shape filter house both ends fixedly connected with collar, collar circumference fixed surface is connected with the installation boss, and the installation boss is inlayed in the installation ring inslot.
The utility model discloses an in the embodiment, the concave guide way that is equipped with of upper plate lower surface and lower plate upper surface, the guide way switches on with the installation annular, and the guide way is used for installing the mounting ring to the installation annular in.
The utility model discloses technical scheme's beneficial effect as follows: the biological safety laboratory is connected with more than one group of air supply systems, so that when one group of air supply systems fails or fails, other groups of air supply systems can provide breathing air for the biological laboratory, and the health and life safety of laboratory personnel are ensured; simultaneously, air filter among the air supply system can carry out filtration purification to the air, and drying device carries out the drying to the air, and 2 lie in line compressed air detection device and carry out air quality detection before getting into the air buffer tank and before getting into biological safety laboratory respectively for the breathing air that gets into biological laboratory is qualified air.
Drawings
FIG. 1 is a schematic view of the construction of a life support system in biosafety.
Fig. 2 is a structural view of the present air filter device.
Fig. 3 is a cross-sectional view of the present air filtration device.
FIG. 4 is a cross-sectional view of a rotating bracket in the present air filtration device.
In the drawings:
11-an air compressor, 12-an air filtering device, 13-a drying device, 14-an air buffer tank, 15-a tail end air pipe, 16-a biological safety laboratory, 17-an active carbon filtering device, 18-a sterilizing device, 21-a first branch pipe, 22-an emptying pipeline, 23-a testing pipeline, 24-an air release solenoid valve, 25-a first online compressed air detecting device, 26-a second branch pipe, 27-a second online compressed air detecting device, 31-a cylinder body, 321-an upper bottom plate, 322-a lower bottom plate, 323-a side shell, 324-a main clapboard, 325-an auxiliary clapboard, 326-a first filtering cavity, 327-a second filtering cavity, 328-a third filtering cavity, 329-an air guide hole, 3210-an air vent hole, 3211-a purified air pipe, 331-cylindrical filtering part, 332-mounting ring, 333-mounting boss, 34-air inlet cavity, 35-air inlet connecting pipe, 36-air outlet connecting pipe, 37-arc door, 38-rotary cover, 39-oil-gas separator, 310-mounting ring groove and 311-guide groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "parallel," "perpendicular," and the like do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined. For example, "parallel" merely means that the directions are more parallel relative to "perpendicular," and does not mean that the structures are necessarily perfectly parallel, but may be slightly tilted.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The invention is further described below with reference to the accompanying drawings:
referring to fig. 1-4, the utility model provides a life support device for system in biosafety, including biosafety laboratory 16, biosafety laboratory 16 is connected with a plurality of air supply system of group, and air supply system is including air compressor 11, air filter 12, drying device 13 and the air buffer tank 14 of pipe connection in proper order, and air buffer tank 14 is connected with terminal gas-supply pipe, and terminal gas-supply pipe is connected to biosafety laboratory 16. A first branch pipe 21 is arranged between the dryer and the air buffer tank 14, the first branch pipe 21 is connected with an emptying pipeline 22 and a first test pipeline 23, an air leakage electromagnetic valve 24 is configured on the emptying pipeline 22, and the first test pipeline 23 is connected with a first online compressed air detection device 25. A second branch pipe 26 is connected to the end gas pipe, and a second online compressed air detection device 27 is connected to the second branch pipe 26.
It should be noted that, the biosafety laboratory 16 is connected with more than one group of air supply systems, so that when one group of air supply systems fails or fails, other groups of air supply systems can provide breathing air for the biosafety laboratory, thereby ensuring the health and life safety of experimenters; meanwhile, the air filtering device 12 in the air supply system can filter and purify air, the drying device 13 dries the air, and the line compressed air detection device 2 detects air quality before entering the air buffer tank 14 and before entering the biological safety laboratory 16 respectively, so that the respiratory air entering the biological laboratory is qualified air.
In the present embodiment, the air supply system is provided with 3 sets, of which 2 sets are set as the common air supply system and 1 set is set as the backup air supply system. In particular, fig. 1 shows only 1 group of air supply systems, and the connection manner of the air supply systems of the other groups is the same.
It should be noted that 2 groups of commonly used air supply systems circulate and supply air for the laboratory for the air supply is smooth and uninterrupted, and when 1 of 2 groups of commonly used air supply systems breaks down, reserve air supply system starts immediately, and the maintenance personal maintains the commonly used air supply system that breaks down in time, and the commonly used air supply system after the maintenance finishes is as new reserve air supply system. It should be noted that if the backup air supply system is not used for a long time, it needs to be tested to ensure that the air supply system is fault-free.
In the present embodiment, the drying device 13 is provided as a freeze-drying device 13, and a line heating device is disposed on a pipeline between the drying device 13 and the air buffer tank 14. The temperature of the air after freeze drying is low, and the dried air needs to be heated and warmed.
In this embodiment, a pressure reducing valve is arranged in the end air delivery pipe, an activated carbon filtering device 17 and a sterilizing device 18 are connected between the pressure reducing valve and the biological safety laboratory 16, and the activated carbon filtering device 17 and the sterilizing device 18 can sterilize and purify the respiratory air which is about to enter the biological safety laboratory 16, so that the quality of the respiratory air is ensured.
In this embodiment, the air filtering device 12 includes a cylinder 31, a rotating bracket is rotatably disposed in the cylinder 31, the rotating bracket includes an upper base plate 321, a lower base plate 322, and a side casing 323 fixedly connected between the upper base plate 321 and the lower base plate 322, a main filtering cavity is disposed in the side casing 323, a main partition 324 is fixedly connected in the main filtering cavity, the main partition 324 divides the main filtering cavity into 2 semicircular cavities, a pair of auxiliary partitions 325 is fixedly connected in the semicircular cavities, the pair of auxiliary partitions 325 divides the semicircular cavities into a first filtering cavity 326, a second filtering cavity 327 and a third filtering cavity 328, and filter cartridges are disposed in the first filtering cavity 326, the second filtering cavity 327 and the third filtering cavity 328; the filter cartridge includes a cylindrical filter portion 331 formed by rolling a filter layer.
The upper bottom plate 321 is provided with an air guide hole 329 communicated with the inner cylindrical filtering part 331 of the first filtering cavity 326, the top of the cylinder 31 is fixedly connected with an air inlet cavity 34, the air inlet cavity 34 is connected with an air inlet connecting pipe 35, and the air inlet cavity 34 is communicated with the air guide hole 329; the secondary partition 325 between the first filter cavity 326 and the second filter cavity 327 is provided with a vent hole 3210; a purified air pipe 3211 is arranged at the bottom of the lower bottom plate 322, one end of the purified air pipe 3211 is communicated with the inner cylindrical filtering portion 331 of the second filtering chamber 327, and the other end of the purified air pipe 3211 is communicated with the inner cylindrical filtering portion 331 of the third filtering chamber 328; the side of the cylinder 31 is provided with an air outlet connecting pipe 36 communicated with the third filtering cavity 328.
The working principle of the air filter device 12 is as follows:
firstly, the normally working filtering part is a semicircular cavity below the air inlet chamber 34, air in the air inlet chamber 34 passes through the air guide hole 329 and directly enters the inside of the inner cylindrical filtering part 331 of the first filtering chamber 326, the air passes through the filtering layer of the filter cartridge from the inside of the cylindrical filtering part 331 and then enters the first filtering chamber 326, the air in the first filtering chamber 326 passes through the vent hole 3210 on the auxiliary partition plate 325 and then enters the second filtering chamber 327, the air in the second filtering chamber 327 passes through the filtering layer of the inner cylindrical filtering part 331 of the second filtering chamber 327 and then enters the inside of the filter cartridge from the filtering layer of the second cylindrical filtering part 331, the air passes through the purified air pipe 3211 from the bottom of the second cylindrical filtering part 331 and then enters the inside of the third cylindrical filtering part 331, the air then passes through the filtering layer of the third cylindrical filtering part 331 and then enters the third filtering chamber 328, and at this time, the air passes through the three cylindrical filtering parts 331 and undergoes three times. Three tube-shape filter house 331 are first effect filter house, well effect filter house and chemical filter house respectively, and first effect filter house carries out effective filtration to PM2.5, second-hand cigarette, bacterium virus etc. and well effect filter screen can get rid of PM0.4, and chemical filter house can intercept chemical pollutants.
Secondly, after the filtration efficiency of the three-piece cylindrical filter part 331 in the semi-circular cavity in the normal working state is unqualified, the rotating support is rotated by 180 degrees, so that the other semi-circular cavity is rotated to the position of the semi-circular cavity in the original normal working state to perform the above filtration process, thereby replacing 3 filter units at one time, and the operation is rapid, safe and reliable.
In this embodiment, an arc door 37 is disposed on one side of the cylindrical body 31, and a gasket is provided between the arc door 37 and the cylindrical body 31. It should be noted that, each gap is provided with a sealing gasket, and the sealing gaskets are used for sealing at any position.
In this embodiment, the top center of the cylinder 31 is provided with a rotary cover 38, the rotary cover 38 is fixedly connected to the rotary bracket, and the rotary cover 38 can drive the rotary bracket to rotate.
In the present embodiment, an oil separator 39 is disposed in the intake chamber 34, so that air is subjected to oil-air filtration before entering the cylindrical filter portion 331.
In this embodiment, the lower surface of the upper plate 321 and the upper surface of the lower plate 322 are concavely provided with mounting ring 332 grooves, two ends of the cylindrical filter part 331 are fixedly connected with the mounting rings 332, the circumferential surface of the mounting ring 332 is fixedly connected with mounting bosses 333, and the mounting bosses 333 are embedded in the mounting ring 332 grooves. The lower surface of the upper base plate 321 and the upper surface of the lower base plate 322 are concavely provided with guide grooves 311, the guide grooves 311 are communicated with the mounting ring 332, and the guide grooves 311 are used for mounting the mounting ring 332 into the mounting ring 332.
The mounting ring 332 groove can insert and fix the cylindrical filter portion 331, and the guide groove 311 can guide and mount the mounting ring 332 into the mounting ring 332 groove.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A device for a life support system in biological safety is characterized by comprising a biological safety laboratory, wherein the biological safety laboratory is connected with a plurality of groups of air supply systems, each air supply system comprises an air compressor, an air filtering device, a drying device and an air buffer tank which are sequentially connected through pipes, the air buffer tank is connected with a tail end air delivery pipe, and the tail end air delivery pipe is connected to the biological safety laboratory;
a first branch pipe is arranged between the dryer and the air buffer tank, the first branch pipe is connected with an emptying pipeline and a first test pipeline, the emptying pipeline is provided with an air leakage electromagnetic valve, and the first test pipeline is connected with a first online compressed air detection device;
the tail end gas transmission pipe is connected with a second branch pipe, and the second branch pipe is connected with a second online compressed air detection device.
2. The apparatus for a life support system in biosafety according to claim 1, wherein the gas supply system comprises 3 sets, wherein 2 sets are common gas supply systems and 1 set is a standby gas supply system.
3. The device as claimed in claim 1, wherein the drying device is a freeze-drying device, and a pipeline heating device is disposed on a pipeline between the drying device and the air buffer tank.
4. The device as claimed in claim 1, wherein a pressure reducing valve is disposed in the end gas pipe, and an activated carbon filtering device and a sterilizing device are connected between the pressure reducing valve and the biosafety laboratory.
5. The device for life support system in biosafety as claimed in claim 1, wherein the air filtering device comprises a cylinder, a rotary support is rotatably arranged in the cylinder, the rotary support comprises an upper base plate, a lower base plate and a side shell fixedly connected between the upper base plate and the lower base plate, a main filtering cavity is arranged in the side shell, a main partition plate is fixedly connected in the main filtering cavity, the main partition plate divides the main filtering cavity into 2 semicircular cavities, a pair of auxiliary partition plates are fixedly connected in the semicircular cavities, the pair of auxiliary partition plates divide the semicircular cavities into a first filtering cavity, a second filtering cavity and a third filtering cavity, and filtering cartridges are arranged in the first filtering cavity, the second filtering cavity and the third filtering cavity; the filter cartridge comprises a cylindrical filter part formed by rolling a filter layer;
the upper bottom plate is provided with an air guide hole communicated with the interior of the cylindrical filtering part in the first filtering cavity, the top of the cylinder is fixedly connected with an air inlet cavity, the air inlet cavity is connected with an air inlet connecting pipe, and the air inlet cavity is communicated with the air guide hole; the auxiliary partition plate between the first filter cavity and the second filter cavity is provided with a vent hole; a purifying air pipe is arranged at the bottom of the lower bottom plate, one end of the purifying air pipe is communicated with the cylindrical filtering part in the second filtering cavity, and the other end of the purifying air pipe is communicated with the cylindrical filtering part in the third filtering cavity; an air outlet connecting pipe communicated with the third filter cavity is arranged at the side part of the cylinder body.
6. The device as claimed in claim 5, wherein a curved door is disposed on one side of the barrel, and a sealing pad is disposed between the curved door and the barrel.
7. The device as claimed in claim 5, wherein a screw cap is disposed at the center of the top of the cylinder, and the screw cap is fixedly connected to the rotating frame.
8. The device for life support system in biosafety as claimed in claim 5, wherein an oil-gas separator is disposed in the air inlet chamber.
9. The device as claimed in claim 5, wherein the lower surface of the upper plate and the upper surface of the lower plate are recessed with mounting ring grooves, the two ends of the cylindrical filtering portion are fixedly connected with mounting rings, the circumferential surface of the mounting ring is fixedly connected with a mounting boss, and the mounting boss is embedded in the mounting ring grooves.
10. The device as claimed in claim 9, wherein the guide grooves are recessed into the lower surface of the upper plate and the upper surface of the lower plate, the guide grooves are connected to the mounting ring groove, and the guide grooves are used for mounting the mounting ring into the mounting ring groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822071226.7U CN209952916U (en) | 2018-12-10 | 2018-12-10 | Device for life support system in biological safety |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822071226.7U CN209952916U (en) | 2018-12-10 | 2018-12-10 | Device for life support system in biological safety |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209952916U true CN209952916U (en) | 2020-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822071226.7U Expired - Fee Related CN209952916U (en) | 2018-12-10 | 2018-12-10 | Device for life support system in biological safety |
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| Country | Link |
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| CN (1) | CN209952916U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109453833B (en) * | 2018-12-10 | 2023-12-22 | 李赫川 | Device for life support system in biosafety |
-
2018
- 2018-12-10 CN CN201822071226.7U patent/CN209952916U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109453833B (en) * | 2018-12-10 | 2023-12-22 | 李赫川 | Device for life support system in biosafety |
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