A double-type closed space external gas barrier device

Abstract

The invention discloses dual closed space external gas barrier equipment. The dual closed space external gas barrier equipment comprises a closed space shell provided with a window; a guide runner surrounding the edge of the window, and enclosed by an annular inner wall and an annular outer wall to form a gas flow channel; a first air guide port and a second air guide port formed in gaps in the connecting places of the annular inner wall and the annular outer wall, receiving gas flows from the gas flow channel in the guide runner, and leading the gas flows to flow out of the closed space shell; a wall surface near the annular inner wall of the first air guide port serving as a first Keenda surface; a wall surface near the annular outer wall of the second air guide port serving as a second Keenda surface; and an air supply device conveying the gas flows to the guide runner through a ventilation way. The equipment can be installed in a window of an expressway ticket kiosk for discharging tail gas, peculiar smell and the like of vehicles out of a closed space to prevent workers from harm of various harmful gases.

Description

technical field [0001] The invention relates to the field of fluid technology, in particular to a double-type closed space external gas barrier device. Background technique [0002] During the whole process of vehicles passing through the ticket booth and interacting with the staff in the ticket booth, the window of the ticket booth must be kept open all the time. The exhaust gas and peculiar smell of the vehicle will enter the airtight ticket booth through the window of the ticket booth, causing physical damage to the staff. hurt. In addition, harmful gases such as smog can easily enter the relatively airtight ticket booth through this window. Since the ticket booth window is the channel for the staff to interact with the outside world, and the frequency of use is extremely high, it is impossible to install some actual automated isolation equipment on the window. Contents of the invention [0003] The purpose of the present invention is to propose a double-type closed s...

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Problems solved by technology

[0003] The purpose of the present invention is to propose a simple structure, easy to install and use double-type closed space external gas barrier equipment, solve the problem that the windows of the existing expressway ticket booths are always open, and vehicle exhaust and peculiar smell continue to enter the ticket booth from the window The problem of physical injury to staff in confined spaces

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