CN2240112Y - Natural ventilating and secondary cooking fume remover - Google Patents

Abstract

The utility model discloses a natural ventilating and secondary cooking fume remover, which comprises an acceptance casing, a fan, a main fume absorption opening and a secondary fume absorption opening. The utility model is characterized in that the middle of the front part of the acceptance casing is provided with an air inlet box; the rear part of the air inlet box is connected with the fan; the front lower part of the acceptance casing is the main fume absorption opening; the terminal of an air pipe is provided with a wind-proof hood; windshield of the wind-proof hood is connected with a wind-proof slope by a support rod. The utility model has the advantage that the height of machine body is shortened. Besides, the utility model can completely and effectively ventilate and remove the exhaust gas of the fume because the utility model adopts the structure system of natural ventilation and mechanical ventilation.

Description

Gravity-flow ventilation and secondary smoke exhaust ventilator

The utility model relates to the kitchen field of sanitary, especially a kind of gravity-flow ventilation and secondary smoke exhaust ventilator.

Existing all kinds of smoke exhaust ventilators all are force ventilation generally, and itself does not have the gravity-flow ventilation function, and is longer because of the main smoking channel at cellular-type secondary smoke exhaust ventilator back in addition, makes device volume big and heavy.

The purpose of this utility model is at above-mentioned defective, and a kind of new gravity-flow ventilation and secondary smoke exhaust ventilator are provided, and it has dwindled the volume of body set, under different operating conditions, adopt gravity-flow ventilation or force ventilation, can be in the whole operation process, suction harmful exhaust constantly.

The purpose of this utility model is achieved in that this device for low outstanding receiving hood (also claiming to accept cover), during work, is divided into gravity-flow ventilation and two systems of force ventilation by ventilation power, and natural ventilation system is work like this; After the cooking stove igniting, the inside and outside temperature difference that just produces in kitchen is under hot pressing function, useless flue gas rises, after being accepted cover and capturing, drain into through airduct outdoor, at the wind sheltering blast cap of airduct end, it is placed on the exterior wall, after wind was through deep bead, the inclined-plane that keeps out the wind, air-flow quickened around it, and the terminal static pressure of airduct is reduced, in tracheae, produce negative pressure, extract out and accept waste gas in the cover.Mechanical ventilation system work is such: establish an inlet box at the blower fan suction inlet, be placed in and accept the cover front portion, the inlet box lower ending opening is main smoking port.When the oil smoke rising, the dense smoke end is just directly taken away by main smoking port through diffusion, cuts off the source of oil smoke gas diffusion.In addition, a mixing chamber is set in the blower fan exit, uses a wind of discharging at a high speed as power, and spray into mixing chamber, and with residual gas generation quality, momentum-exchange on acceptance cover top, exhaust-gas flow around driving, discharge together then, finish secondary suction function.

The utility model has the advantages that and adopted gravity-flow ventilation, under the situation of not using blower fan, still can discharge the waste gas of 25-50%; In addition, after main smoking port was placed in and accepts the preceding bottom of cover, the height that makes body was reduced to 360 millimeters from original 630 millimeters, and dismounting brings great convenience, pump drainage oil flue waste gas that can be in full force and effect.

The utility model concrete structure is provided by following embodiment and accompanying drawing thereof.

Fig. 1 is a schematic perspective view of the present utility model;

Fig. 2 is a wind sheltering blast cap side sectional view of the present utility model;

Fig. 3 is an acceptance cover side sectional view of the present utility model;

Fig. 4 is an acceptance cover front section view of the present utility model.

As shown in drawings, the utility model comprises: blower fan (12), mixing chamber (9), acceptance cover (6), inlet box (3), secondary smoking port (2) and wind sheltering blast cap (1).Establish an inlet box (3) in acceptance cover (6) anteriomedial, inlet box (3) rear portion and blower fan (12) join, preceding lower end is main smoking port (4), accepting cover (6) top is mixing chamber (9), about the mixing chamber lower end, respectively have secondary exhaust opening (13), mixing chamber (9) bottom and blower fan outlet (11) are joined, the lower end of accepting cover (6) is secondary smoking port (2), positive a transparent sideboard (5) and one are installed are convenient to the hand hole cover (7) that dismounting is used, terminal socket wind sheltering blast cap (1) at airduct (10), sleeve pipe (14) connects the inclined-plane (15) that keeps out the wind, in the middle of the deep bead (16) shutter (17) is housed, deep bead (16) is connected by support bar (18) with the inclined-plane that keeps out the wind (15).

Claims (2)

1. one kind by accepting cover, blower fan, main smoking port, gravity-flow ventilation and secondary smoke exhaust ventilator that the secondary smoking port is formed, it is characterized in that the anteriomedial of accepting to cover has an inlet box, the inlet box rear portion is connected with blower fan, preceding lower end is main smoking port, the airduct end has a wind sheltering blast cap, and the barge board of wind sheltering blast cap is connected by support bar with the inclined-plane that keeps out the wind.

2. gravity-flow ventilation according to claim 1 and secondary smoke exhaust ventilator is characterized in that in the middle of the deep bead shutter being housed.

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