Flow-shifting air cleaner

FIELD: process engineering.

SUBSTANCE: invention relates to air cleaning and can be used in designing, for example, kitchen air funnels. Flow-shifting air cleaner consists of contaminated air intake channel and clean air discharge channel communicated therewith. Clean air discharge channel accommodates a blower to force air along its lengthwise axis. It differs from know designs in that is used shifting channel to communicate contaminated air intake channel with clean air zone wherefrom air is forced to extra fan arranged in said shifting channel. Note here that shifting channel airflow is forced inside contaminated air intake channel to collide against impurities collection plate for them to be settled thereat. Note also that clean airflow gets repelled from said plate to get in fan zone in cleaned air channel and removed therefrom.

EFFECT: higher efficiency at sufficient capacity.

1 dwg

 

The invention relates to the field of air cleaning systems and may find application in the design of the ventilation device that removes contaminated air from the premises, for example when designing a kitchen hoods.

Known domestic air cleaner, comprising a housing with inlet and outlet openings, placed inside a centrifugal fan and filters fine and coarse air (SU 1813998, A1 F24F 3/16, 1993). The filter includes an additional removable panel and grille. The disadvantage of this cleaner is the filter through which the cleaned air, which prevents clogging of the fan blades and the drive device. At the same time, polluted air, colliding with the filter element deposited on their surface and degrades the efficiency of the device.

The closest technical solution is "ventilation system for industrial enterprises"("Wentilating sistem for industrial maches" United States Patent 4,125,062, nov, 14,1978). This system consists of a hood, duct and fan, feed contaminated air into the device, separating the contamination. Part of the air from the ventilation duct through the second fan through an additional channel is returned to the inlet of the hood. With the third fan there prob is a possibility to submit clean air in the secondary channel, where it is mixed with polluted air and fed to the input of the hood. According to the authors this allows to reduce the release into the environment of contaminants and reduces the effect of emissions on the environment protection, will not suffer the air around the hood.

This ventilation system is adopted for the prototype.

The disadvantage of the prototype is that the contaminated air enters and settles on the elements of the fan, which degrades its performance. In addition, when touching contaminated air from the inlet of the exhaust pollution accumulate and reduce the cross-section of the holes. A device that separates contamination, also in contact with polluted air and over time, its performance decreases.

The task of the invention is to improve the efficiency of air purification due to the fact that the filtered air passes into the cleaning zone and in the process, the input section of the duct is practically unchanged.

The invention consists in the fact that potokovyimi air cleaner consists of a channel sampling of polluted air and connected to a drain of purified air that holds the fan, creating a draught of air, coinciding in direction with the axis of this channel. To improve the efficiency of air purification applications is by shifting the channel, connecting channel sampling of polluted air area with clean air, where the air enters at an additional fan installed in the shift channel, under the influence of air flow shifting channel, the air channel sampling of polluted air is directed so that it collides with placed in the channel of polluted air plate collecting dirt and dirt particles are deposited on this plate, and the purified air, starting from this plate, gets into the zone channel fan of purified air and is removed from this channel.

When contamination of plate waste collection can be removed for cleaning or replacement.

The invention is illustrated by figure 1, which shows a functional diagram potokovyimi air cleaner.

Potokovyimi air cleaner contains a channel sampling of polluted air 1, the drain of purified air 2-channel fan of purified air 3, shift channel 6, fan shifting channel 7, the plate collection of air pollution 10.

Potokovyimi air cleaner works as follows. Channel sampling of polluted air 1 and channel exhaust purified air 2 is connected. Shifting the channel 6 is connected to the channel intake of polluted air 1, the second end of the shear channel 6 is in the zone of clean air is 5. In the channel of purified air placed the fan 3, which creates a thrust of 4 air entering the canal intake of polluted air 1, and purified air 11 within the channel of purified air 2. From the zone of clean air 5 air 13 is supplied to the fan 7 that creates an air stream 8, which changes the trajectory of air pollution 9 so that it collides with placed in the channel of air pollution 1 plate collecting dirt 10, on which are deposited dirt particles and clean air 11, starting from this plate, enters the channel of purified air 2 and removed from this channel. The plate collection of air contaminants 10 can be removed for cleaning.

Improving the efficiency potokovyimi air cleaner is provided that purify the air, polluting the fan, flows freely in the cleaning zone, and over time his work throughput of air is not changed.

Potokovyimi air cleaner, consisting of intake air pollution and connected to a drain of purified air that holds the fan, creating a draught of air, coinciding in direction with the axis of the channel, characterized in that to increase the efficiency of air cleaning is used to shift the channel between the channel sampling zagryaznennogo the air region clean air, where the air enters at an additional fan installed in the shift channel, under the influence of air flow shifting channel, the air channel sampling of polluted air is directed so that it collides with placed in the channel of polluted air plate collecting dirt and dirt particles are deposited on this plate, and the purified air, starting from this plate, gets into the zone channel fan of purified air and is removed from this channel.



 

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