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  • Double mode isolation tent

  • Product overview: the dual-mode isolation tent for epidemic prevention is composed of protective tent, pressure regulating port, differential pressure measuring device, efficient purification device, air heater (optional) and accessories. The protective tent is composed of protective body body body, toilet, zipper entrance and exit, observation window and transmission window.


    Applicable place:

    It is mainly used in schools answer Airport, station, highway intersection, shopping mall, school gate, community and other public places. It is recommended to be installed indoors or outdoors in an open area close to the inspection point To facilitate the rapid entry of suspected infected persons.

     

Introduction of double mode isolation tent

Overview 1

At present, when schools resume classes, industries return to work, communities and special posts on duty, according to the requirements of relevant departments, they have been equipped with equipment and instruments mainly for temperature detection and disinfection, providing basic means for epidemic prevention and control. According to the general disposal process, when abnormal body temperature or other suspected symptoms are detected, they must be transferred to designated medical institutions by 120 ambulance. In the empty window waiting for ambulance, if the suspected infected person can not be effectively isolated, it may lead to the spread of the source of infection and bring great psychological pressure to the surrounding personnel. Therefore, it is urgent to develop a kind of negative pressure isolation equipment for temporary isolation of suspected infected persons, so as to ensure that the epidemic prevention and control under these scenes is really reliable and effective.

The preliminary technical achievements of the product have been applied in Beijing Ditan hospital in 2003 to fight against SARS and the 2015 Tianjin Port explosion emergency rescue. The core member of the project team has completed the design of biological protection system in the pathological anatomy room of Beijing Ditan hospital in 2003. During the dissection of SARS patients, there was no case of infection among medical staff.

 

2. Product introduction

(1) System composition

The double mode isolation tent for epidemic prevention is composed of protective tent, pressure regulating port, differential pressure measuring device, high efficiency purification device, air heater (optional) and accessories.

The protective tent is composed of protective body body body, toilet, zipper entrance and exit, observation window and transmission window. The main body of the protective body is made of opaque and airtight materials; the zipper inlet and outlet are designed with zipper folded wings to improve the air tightness; the observation window is made of transparent materials and the main body of the protective body is airtight connected; the transmission window is used to protect the safe transmission of articles inside and outside the body, and prevent loss of pressure and pollution diffusion. The utility model is composed of an emergency purifier and an emergency alarm device, which is composed of an emergency purifier, a particle filter and an emergency alarm device. The pressure regulating port is used to adjust the pressure difference in the protective tent.

The heater can be used according to the need. Accessories include lighting, plug board, toilet, floor nail, pulling rope, etc.



(2) Main functions

The system can be used in conversion between negative pressure and positive pressure.

Under the negative pressure epidemic prevention mode, the high-efficiency purification device can effectively filter the dust, droplets and aerosols that may contain pathogenic microorganisms inside the protective tent, absorb the odor and discharge the clean air. The pressure regulating port is used to filter the air entering the protective tent with medium and high efficiency, and the air inlet volume is adjusted to ensure the specified negative pressure. Toilet should be set up in the protective tent to reduce unnecessary personnel access. Fully consider the air distribution design, scientifically arrange the pressure regulating port, the toilet air inlet and the exhaust outlet connected with the high-efficiency purification device, ensure that there is no dead angle for air exchange, improve the air quality inside the protective body, and ensure the safety of internal personnel.

In the positive pressure protection mode, the high-efficiency purification device filters the dust, droplets and aerosols that may contain pathogenic microorganisms in the external air, and sends the clean air into the interior of the protective tent, and establishes the specified overpressure in it. The safety entrance and exit can avoid the problems caused by the loss of pressure and air pollution in the protective tent.
 


 

(3) Performance characteristics

1. Negative pressure operation mode

(1) Negative pressure: no more than - 20Pa.

(2) Sufficient fresh air can be provided for internal personnel to breathe, and the exhaust air volume is not less than 100m3 / h.

(3) Exhaust filtration efficiency: 99.99% for particles with a median diameter of 0.3 μ M.

(4) Use area: not less than 3.5m2.

(5) Power system and power consumption: 220 V AC, power no more than 100 W.

(6) Weight: no more than 80kg.

2. Positive pressure operation mode

(1) Positive pressure: not less than 50pA.

(2) Sufficient fresh air can be provided for internal personnel to breathe, and the air inlet volume is not less than 100m3 / h.

(3) Inlet air filtration efficiency: 99.99% for particles with a median diameter of 0.3 μ M.

(4) Use area: not less than 3.5m2.

(5) The power consumption is less than 100W.

(6) Weight: no more than 80kg.

3. Installation conditions

The system can be installed indoor and outdoor. It is recommended to use the attached ground nail and pull rope to fix it outdoors, so as to ensure the stability under windy conditions.

1) Location of suspected infection or open space for personnel to install quickly.

2) Installation method: floor installation, the ground should be flat.

3) Power supply mode: the system power is not more than 100W, and it is necessary to deploy 220 V mains power or power plug-in board.

4) System deployment time: within 10 minutes for two persons.

4. Product application

At present, the research and development of the products has been fully completed, and the Beijing Municipal Education Commission plans to organize the final appraisal at the end of March. Focusing on the transformation and application of project achievements, we have carried out the following work:

1、 The products passed the national air conditioning equipment quality supervision and inspection center. The results showed that the negative pressure of no less than 20Pa can be established continuously. The filtration efficiency of 0.3 μ m particles is 99.999%, which is better than the 99.7% filtration efficiency required by ambulance national standard. It can effectively cut off the external air pollution caused by pathogenic microorganisms, and has the conditions for popularization and application.

2、 The company signed an emergency procurement contract with Ningxia China Arab Intelligent Technology Industry Development Co., Ltd. At present, the organization is stepping up production, and it is expected that 51 sets of double mode isolation tents will be put into relevant campuses in Ningxia in early April, so as to meet the urgent need for epidemic prevention and control of school resumption.

3、 The product completes multi scene demonstration application. Community Demonstration: Bajiao street, Shijingshan District, Beijing; hospital demonstration: Shougang Hospital of Peking University; campus demonstration: North University of technology.

 

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