CN111502349A - Negative-pressure tent type biosafety second-level laboratory - Google Patents
Negative-pressure tent type biosafety second-level laboratory Download PDFInfo
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- CN111502349A CN111502349A CN202010528888.1A CN202010528888A CN111502349A CN 111502349 A CN111502349 A CN 111502349A CN 202010528888 A CN202010528888 A CN 202010528888A CN 111502349 A CN111502349 A CN 111502349A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H3/00—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H15/00—Tents or canopies, in general
- E04H15/20—Tents or canopies, in general inflatable, e.g. shaped, strengthened or supported by fluid pressure
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Abstract
The invention discloses a negative-pressure tent type biological safety secondary laboratory, which relates to the field of biological safety protection and comprises a first tent and a second tent which are in butt joint and sealing arrangement, wherein the first tent comprises a horizontally arranged rectangular gas column, the rectangular gas column is connected with a plurality of vertically arranged polygonal arch gas columns, the rectangular gas column and the polygonal arch gas columns are fixedly connected with an inner tent through fixed points, the outer tent is coated outside the inner tent and the polygonal arch gas columns, the bottom of the outer tent is connected with a skirt edge, and the rectangular gas columns are respectively provided with an inflation inlet and an exhaust outlet; the second tent and the first tent are identical in structure; the first flexible partition door is arranged at the butt joint position of the first tent and the second tent in a sealing mode, the second flexible partition door is arranged in the second tent, a core workshop is arranged in the first tent, and a buffer workshop and a sample receiving workshop are arranged in the second tent. The invention has large operation area, and can be transported by a 10-foot standard container after being folded, and can quickly reach the field for expansion operation.
Description
Technical Field
The invention relates to the technical field of biological safety protection, in particular to a negative-pressure tent type biological safety secondary laboratory.
Background
The sampling, inspection and identification of personnel in emergency prevention and control of major infection sites need to use special facilities with biological safety protection requirements, for example, the biological safety protection grade is required to reach the requirement of grade 2 or above when B infectious disease pathogenic microorganisms are operated according to China regulations. The fixed biological safety laboratory has high cost, can only be used in fixed places, and is inconvenient to arrange in entry and exit ports/remote areas. The existing mobile biological safety second-level and third-level laboratories have small working area, cannot meet the requirements of detecting and processing a large amount of samples during the outbreak of the fulminant infectious diseases, and have high price and complex operation and maintenance.
Disclosure of Invention
The invention aims to provide a negative-pressure tent type biosafety secondary laboratory, which solves the problems in the prior art, has large operation area and convenient installation, is transported by a standard 10-foot container after being folded, and can quickly reach the field for expansion operation.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a negative-pressure tent type biological safety secondary laboratory, which comprises a first tent and a second tent which are arranged in a butt-joint sealing manner, wherein the first tent comprises a horizontally arranged rectangular gas column, the rectangular gas column is connected with a plurality of polygonal arch gas columns which are uniformly and vertically arranged, the rectangular gas column and the polygonal arch gas columns are fixedly connected with an inner tent through fixed points, the outer tent is coated outside the inner tent and the polygonal arch gas columns, the bottom of the outer tent is connected with a skirt edge which is laid on the ground outside the first tent, the rectangular gas column and the polygonal arch gas columns are communicated, and the rectangular gas column is respectively provided with an inflation inlet and an exhaust outlet; the second tent and the first tent are structurally identical; the first tent and the second tent are connected in a butt joint mode, a first flexible partition door is arranged at the butt joint position of the first tent and the second tent in a sealing mode, a second flexible partition door is arranged in the second tent, a core workshop is arranged in the first tent, a buffer workshop and a sample receiving workshop are arranged in the second tent, and the buffer workshop is located between the first flexible partition door and the second flexible partition door.
Optionally, the first flexible partition door and the second flexible partition door are respectively provided with a U-shaped zipper in a sealing arrangement; and one ends of the first tent and the second tent, which are far away from the butt joint sealing position, are respectively provided with an airtight zipper door.
Optionally, the core workshop is used for placing a biological safety cabinet, inspection equipment, a disinfection machine and the like, the buffer workshop is used for replacing protective clothing for personnel, and the sample receiving workshop is used for receiving samples, preparing liquid and the like.
Optionally, pressure difference meters are arranged in the core workshop and the buffer workshop, a funnel-shaped air outlet is arranged on the core workshop, a high-efficiency air exhaust filtering device is externally connected to the funnel-shaped air outlet, and the high-efficiency air exhaust filtering device comprises an airtight box body, a high-efficiency air filter, a filter in-situ scanning leak detection device, an exhaust fan, a pressure difference sensor and a P L C air volume control element.
Optionally, an air inlet is arranged in the buffer room, and an intermediate-efficiency air supply filtering device is externally connected to the air inlet; the medium-efficiency air supply filtering device comprises a medium-efficiency air filter, an air feeder and a differential pressure sensor.
Optionally, a plurality of pull points are uniformly arranged on each of the polygonal arched gas columns of the first tent and the second tent, the pull points are connected with pull ropes, and the tail ends of the pull ropes are used for being fixed on the ground.
Optionally, an air inlet reserved port is formed in the first tent and used for being connected with an air supply device; the first tent is provided with three reserved interfaces which are used for connecting an external power supply, an air source and an external air conditioner.
Optionally, the inner sides of the inner tents of the first tent and the second tent are provided with hanging points, and the hanging points are used for installing a lamp, a junction box and a wiring board.
Optionally, a one-way exhaust valve is mounted on the exhaust port and used for air leakage of the air column; the inflation inlet is externally connected with an inflation pump, and the inflation pump is provided with a pressure sensor.
Compared with the prior art, the invention has the following technical effects:
the flexible integrated inflatable tent is adopted as the enclosure structure, the unfolding and the folding are rapid, all parts can be put into a standard container of 10 feet after being folded, the transportation by various transport means is convenient, and the mobility of a laboratory is greatly improved. The effective use area of the core workshop reaches 20m2Two secondary biosafety cabinets and other inspection equipment can be placed at the same time, and the number of the secondary biosafety cabinets and the other inspection equipment is less than 10m compared with the core working area of the existing mobile secondary laboratory and the existing mobile tertiary laboratory2Compared with the prior art, the working efficiency of the laboratory is greatly improved, and the daily detection amount in emergency inspection is about 3 times that of the common second-level and third-level laboratories.
The invention is designed into three functional areas of a sample receiving room, a buffer room and a core working room, and compared with a common negative pressure tent, the invention better meets the requirements of a biological safety secondary laboratory, and the pressure difference gradient is higher than that of the biological safety secondary laboratory, so that the safety is greatly improved. The area between the sample receiving chambers is about 15m2The device can receive a large amount of samples, can carry out early-stage work of inspection such as liquid preparation and packaging, and realizes the whole process of inspection of the fulminating infectious diseases.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic view of a negative pressure tent type biosafety secondary laboratory structure of the present invention;
FIG. 2 is a cross-sectional view of a negative pressure tent biosafety secondary laboratory of the present invention;
FIG. 3 is a schematic plan view of the internal structure of the negative pressure tent type biosafety secondary laboratory of the present invention;
wherein, 1 is a first tent, 2 is a second tent, 3 is a rectangular air column, 4 is a polygonal arch air column, 5 is an inner tent, 6 is an outer tent, 7 is a skirt edge, 8 is an inflation inlet, 9 is an exhaust port, 10 is a first flexible partition door, 11 is a second flexible partition door, 12 is an airtight zipper door, 13 is a funnel-shaped exhaust outlet, 14 is an air inlet, and 15 is a pull point.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a negative-pressure tent type biosafety secondary laboratory, which solves the problems in the prior art, has large operation area and convenient installation, is transported by a standard 10-foot container after being folded, and can quickly reach the field for expansion operation.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The invention provides a negative-pressure tent type biological safety secondary laboratory, which comprises a first tent 1 and a second tent 2 which are in butt joint and sealing arrangement, wherein the first tent 1 comprises a horizontally arranged rectangular gas column 3, the rectangular gas column 3 is connected with a plurality of polygonal arch-shaped gas columns 4 which are uniformly and vertically arranged, the rectangular gas column 3 and the polygonal arch-shaped gas columns 4 are fixedly connected with an inner tent 5 through fixed points, the outer tent 5 and the polygonal arch-shaped gas columns 4 are coated with an outer tent 6, the bottom of the outer tent 6 is connected with a skirt edge 7 which is paved on the ground outside the first tent 1, the rectangular gas column 3 and the polygonal arch-shaped gas columns 4 are communicated, and the rectangular gas column 3 is respectively provided with an inflation inlet 8 and an exhaust outlet 9; the second tent 2 and the first tent 1 have the same structure; the butt joint position of the first tent 1 and the second tent 2 is provided with a first flexible partition door 10 in a sealing mode, a second flexible partition door 11 is arranged in the second tent 2, a core workshop is arranged in the first tent 1, a buffer workshop and a sample receiving workshop are arranged in the second tent, and the buffer workshop is located between the first flexible partition door 10 and the second flexible partition door 11.
Preferably, a U-shaped zipper which is arranged in a sealing mode is respectively arranged on the first flexible partition door 10 and the second flexible partition door 11, airtight zipper doors 12 are respectively arranged at one ends, far away from the butt-joint sealing position, of the first tent 1 and the second tent 2, a biological safety cabinet, inspection equipment, a sterilizer and the like are arranged in a core workshop, a buffer workshop is used for replacing protective clothing for personnel, a sample receiving workshop is used for receiving samples, liquid making and the like for preparation work, a pressure difference meter is arranged in the core workshop and the buffer workshop, a funnel-shaped air outlet 13 is arranged on the core workshop, an efficient air exhaust filtering device is externally connected with the funnel-shaped air outlet 13, the efficient air exhaust filtering device comprises an airtight box body, an efficient air filter, a filter in-situ scanning leak detection device, an air exhaust machine, a pressure difference sensor and a P L C air quantity control element, an air inlet 14 is arranged between the buffer workshop, an intermediate-effect air supply filtering device is externally connected with the intermediate-effect air supply filtering device, a plurality of pulling points 15 are uniformly arranged on the multi-side arch-side air columns 4 of the first tent 1 and the second tent 2, a pulling rope is reserved for the tent, a pulling rope 15, a pulling rope is used for connecting with the tent 1, a first tent 2, an air supply device is arranged on the tent, an air supply device for connecting joint is arranged on the tent, an air supply device for connecting with an air supply device, and a second tent 2, and a one-side air supply air pump for connecting air supply air.
Specifically, the tent is formed by butting two tents and is divided into three functional areas, namely a core workshop, a buffer room and a sample receiving room, wherein the first tent 1 positioned on the left side is provided with the core workshop, the buffer room and the sample receiving room are arranged between the second tents 2 positioned on the right side, a flexible partition door is arranged between each functional area, and an airtight U-shaped zipper is installed on each flexible partition door and can be used for workers to enter and exit. The tent adopts inflatable air column skeleton texture, and every tent all includes multilateral arch air column and rectangle air column, and rectangle air column sets up around the tent bottom, as a frame, link up each other between the air column, and interior fluffy 5 and outer fluffy 6 are connected on the air column through the fixed point, and the core workplace gas tightness is ensured to interior fluffy, and outer fluffy 6 protection air column and interior fluffy 5 have rain-proof snow and thermal-insulated effect concurrently. The inflation inlet is connected with an inflator pump, the inflator pump is provided with a pressure sensor which can set the inflation pressure of the air column, and when the inflation pressure in the air column is lower than a set value, the inflator pump is started to supply air to the air column.
The using method of the invention comprises the following steps:
preparation before deployment: the floor is required to be flat and clean. And opening the packaging box of the negative pressure isolation tent, and checking the articles according to a packaging list attached to the use instruction.
Tiling: the ground cloth was laid flat on the ground, taking care not to have wrinkles. And placing the two tents at the designated positions, and spreading the two tents flatly.
And (3) inflating: the air pump is connected with an inflation inlet on the tent air column, and the power supply is switched on to inflate. In the inflation process, people need to pay attention to the inflation condition of the gas column to assist in handling the smooth inflation condition caused by folding influence in the inflation process. The final gas column inflation pressure range is 12 kPa-15 kPa.
Anchoring: after the two tents are inflated and unfolded, the zipper of the butt joint port is pulled up to complete the butt joint. The ground nail is nailed into a proper position, and the pull rope is tied firmly. If the ground nail is not allowed to be used on site, the sand bag is filled with sand and is uniformly piled on the edge of the skirt at the periphery of the tent.
Laying a floor: the floor is uniformly laid inside the tent, and then the tent is laid flat on the floor.
The air supply and exhaust device is connected: the air feeding and exhausting device is placed to a proper position, the ground feet are fixed, the hose is connected to a reserved opening in the tent, and the clamp is clamped tightly.
Internal equipment installation: large-scale equipment such as a biological safety cabinet enters the core workshop through the equipment access door, and equipment in the preparation workshop can enter from a laboratory entrance. The device should be installed as much as possible in the layout of fig. 1. And (3) mounting the lamp, the junction box and the patch board on a hanging point inside the laboratory.
Pressure difference debugging: after the biological safety cabinet and the air conditioner are started, the air supply and exhaust device is started, and the air exhaust device automatically adjusts according to the pressure difference in the tent without human intervention. And after the pressure difference between the core workshop and the buffer workshop meets the set requirement, the laboratory can carry out work.
Folding in a laboratory: and (4) disinfecting and sterilizing after the laboratory is used, and folding the laboratory. When the tent is folded, the equipment in the laboratory is moved out, the pipeline of the air supply and exhaust filter device is disconnected, then the exhaust valve of the air column on the tent is opened to release air, the inflator pump is adjusted to an air exhaust mode to accelerate the exhaust of the air in the air column, after the air in the air column of the tent is completely exhausted, the connection between the two tents is disconnected, the tent is folded and packaged, and finally all the equipment and parts are filled into the packaging box and fixed. The structure and the pressure difference gradient design of the invention are higher than the requirements of a common biosafety secondary laboratory, and can meet the requirements of field sampling \ inspection and identification of the virulent microorganisms including the new crown pneumonia epidemic situation.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (9)
1. The utility model provides a negative pressure tent formula biosafety second grade laboratory which characterized in that: the tent comprises a first tent and a second tent which are in butt joint and sealed arrangement, wherein the first tent comprises a horizontally arranged rectangular air column, the rectangular air column is connected with a plurality of polygonal arch air columns which are uniformly and vertically arranged, the rectangular air column and the polygonal arch air columns are fixedly connected with an inner tent through fixed points, the outer tent is coated outside the inner tent and the polygonal arch air columns, the bottom of the outer tent is connected with a skirt edge which is paved on the ground outside the first tent, the rectangular air column and the polygonal arch air columns are communicated, and an inflation inlet and an exhaust outlet are respectively arranged on the rectangular air columns; the second tent and the first tent are structurally identical; the first tent and the second tent are connected in a butt joint mode, a first flexible partition door is arranged at the butt joint position of the first tent and the second tent in a sealing mode, a second flexible partition door is arranged in the second tent, a core workshop is arranged in the first tent, a buffer workshop and a sample receiving workshop are arranged in the second tent, and the buffer workshop is located between the first flexible partition door and the second flexible partition door.
2. The negative-pressure tent-type biosafety secondary laboratory of claim 1, wherein: the first flexible partition door and the second flexible partition door are respectively provided with a U-shaped zipper in sealing arrangement; and one ends of the first tent and the second tent, which are far away from the butt joint sealing position, are respectively provided with an airtight zipper door.
3. The negative-pressure tent-type biosafety secondary laboratory of claim 1, wherein: the core workshop is internally used for placing a biological safety cabinet, inspection equipment, a disinfection machine and the like, the buffer workshop is used for replacing protective clothing for personnel, and the sample receiving workshop is used for receiving samples, preparing liquid and the like.
4. The negative-pressure tent type biosafety secondary laboratory is characterized in that a pressure difference meter is arranged in the core workshop and the buffer workshop, a funnel-shaped air outlet is formed in the core workshop, a high-efficiency air exhaust filtering device is externally connected with the funnel-shaped air outlet, and the high-efficiency air exhaust filtering device comprises an airtight box body, a high-efficiency air filter, a filter in-situ scanning leak detection device, an air exhaust fan, a pressure difference sensor and a P L C air volume control element.
5. The negative-pressure tent-type biosafety secondary laboratory of claim 1, wherein: an air inlet is formed in the buffer room, and an intermediate-efficiency air supply filtering device is connected outside the air inlet; the medium-efficiency air supply filtering device comprises a medium-efficiency air filter, an air feeder and a differential pressure sensor.
6. The negative-pressure tent-type biosafety secondary laboratory of claim 1, wherein: a plurality of pull points are uniformly arranged on the polygonal arched gas columns of the first tent and the second tent respectively, the pull points are connected with pull ropes, and the tail ends of the pull ropes are used for being fixed on the ground.
7. The negative-pressure tent-type biosafety secondary laboratory of claim 1, wherein: an air inlet reserved port is formed in the first tent and is used for being connected with an air supply device; the first tent is provided with three reserved interfaces which are used for connecting an external power supply, an air source and an external air conditioner.
8. The negative-pressure tent-type biosafety secondary laboratory of claim 1, wherein: the inner sides of the inner tents of the first tent and the second tent are provided with hanging points, and the hanging points are used for installing a lamp, a junction box and a wiring board.
9. The negative-pressure tent-type biosafety secondary laboratory of claim 1, wherein: the exhaust port is provided with a one-way exhaust valve for air leakage of the air column; the inflation inlet is externally connected with an inflation pump, and the inflation pump is provided with a pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010528888.1A CN111502349A (en) | 2020-06-11 | 2020-06-11 | Negative-pressure tent type biosafety second-level laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010528888.1A CN111502349A (en) | 2020-06-11 | 2020-06-11 | Negative-pressure tent type biosafety second-level laboratory |
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| CN111502349A true CN111502349A (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010528888.1A Pending CN111502349A (en) | 2020-06-11 | 2020-06-11 | Negative-pressure tent type biosafety second-level laboratory |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112923476A (en) * | 2020-11-25 | 2021-06-08 | 江苏博德维环境技术有限公司 | Negative pressure medical tent with antibacterial regeneration of environmental protection |
| CN114856253A (en) * | 2022-04-18 | 2022-08-05 | 轻空间(江苏)膜科技有限公司 | Inflatable movable rigid space and construction method |
-
2020
- 2020-06-11 CN CN202010528888.1A patent/CN111502349A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112923476A (en) * | 2020-11-25 | 2021-06-08 | 江苏博德维环境技术有限公司 | Negative pressure medical tent with antibacterial regeneration of environmental protection |
| CN114856253A (en) * | 2022-04-18 | 2022-08-05 | 轻空间(江苏)膜科技有限公司 | Inflatable movable rigid space and construction method |
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