CN207999863U - A range hood with multiple treatment of oil pollution - Google Patents

Abstract

The utility model discloses a range hood with multiple oil stains treatment, which comprises a range hood shell, an oil stain centrifugal fan, an oil smoke suction fan and an electrostatic purifier, wherein a static interception oil net and a tail gas discharge window are arranged on the range hood shell; the oil stain centrifugal fan comprises a centrifugal breathable net cover and a centrifugal driving motor; the electrostatic purifier comprises an anode discharge plate and a cathode adsorption plate, wherein the anode discharge plate is arranged on the upstream of the cathode adsorption plate, the anode discharge plate and the cathode adsorption plate are arranged on the plane which is parallel to the direction of the airflow motion, the anode discharge plate is of a long strip structure, and saw-toothed discharge tips are arranged on two sides of the anode discharge plate. The utility model discloses can carry out centrifugal separation and electrostatic absorption to the air that contains the greasy dirt and handle.

Description

A range hood with multiple treatment of oil pollution

technical field

The utility model relates to the technical field of range hood products, in particular to a range hood for multiple treatment of oil pollution.

Background technique

The range hood is a common indoor oil fume treatment equipment. Most of the range hoods in the prior art simply suck the indoor oil fume into the body, and then discharge it to the outside through the exhaust fan, and then exit it at the air inlet of the range hood. Set a static cooling filter to cool part of the oil fume and flow it into the oil collection box. When the exhaust rate of the range hood is not high, the effect of the above-mentioned static cooling filter on the oil fume can basically meet the needs. When the exhaust rate of the range hood is high, most of the tiny particles of oil fume will pass through the static cooling The filter screen is directly discharged into the outdoor atmospheric environment, which not only causes certain damage to the atmospheric environment, but also may be adsorbed on the outer wall of the building, seriously affecting the aesthetics and sanitation of the building.

Contents of the invention

In order to overcome the deficiencies of the prior art, the utility model provides a range hood with multiple treatment of oil pollution, which can perform centrifugal separation and electrostatic adsorption treatment on the air containing oil pollution, thereby purifying the oil fume sucked by the range hood.

The technical scheme that the utility model solves its technical problem adopts is:

A range hood for multiple oil pollution treatment, comprising a range hood casing, an oil pollution centrifugal fan, an oil fume suction fan and an electrostatic purifier, the range hood casing is provided with a static interception oil net and an exhaust gas discharge window, the oil The inlet end of the centrifugal fan is connected to the static interception oil net, the outlet end of the oily centrifugal fan is connected to the inlet end of the electrostatic purifier, and the outlet end of the electrostatic purifier is connected to the oil fume suction fan. At the air intake end, the outlet end of the oil fume suction fan is connected to the exhaust gas discharge window; the oily centrifugal fan includes a centrifugal ventilating net cover and a centrifugal drive motor that drives the centrifugal ventilating net cover to rotate; the electrostatic purifier includes Positive electrode discharge plate and negative electrode adsorption plate, the positive electrode discharge plate is arranged on the air flow upstream of the negative electrode adsorption plate, and the planes of the positive electrode discharge plate and the negative electrode adsorption plate are parallel to the direction of airflow movement, the positive electrode discharge plate The plate is a strip structure, and the two sides of the positive discharge plate are provided with sawtooth discharge tips.

As a further improvement of the above technical solution, the range hood housing includes a housing back wall plate and a housing front wall plate vertically facing each other, and the lower ends of the housing back wall plate and the housing front wall plate are provided with an oil fume collection cover , the static interception oil net is arranged in the oil fume collection hood.

As a further improvement of the above technical solution, a drawer supporting angle is provided between the front wall of the housing and the back wall of the housing, the electrostatic purifier is movably placed on the drawer supporting angle, and the drawer The pull support angle steel is perpendicular to the front wall of the housing; the front wall of the housing is provided with a purifier drawing port, and the purifier drawing port is provided with a drawing port sealing cover.

As a further improvement of the above technical solution, the oil-stained centrifugal fan also includes a centrifugal shroud, the centrifugal shroud is cylindrical, and the two axial ends of the centrifugal shroud are the air inlet end and the air outlet respectively. end, the inlet end of the centrifugal shroud is provided with a shroud filter screen; the centrifugal drive motor includes a drive motor body and a drive motor shaft, and the drive motor body is arranged at the air outlet end of the centrifugal shroud On the outside, the rotating shaft of the drive motor is coaxially arranged in the centrifugal shroud; the centrifugal ventilating mesh cover is a conical tubular structure and arranged in the centrifugal shroud, and the centrifugal ventilating mesh cover is coaxial The rotating shaft of the drive motor is fixedly connected, and the diameter of the end of the centrifugal air mesh cover towards the air outlet of the centrifugal shroud is larger than the diameter of the end of the centrifugal shroud toward the inlet end of the centrifugal shroud.

As a further improvement of the above technical solution, the air outlet end of the centrifugal shroud is provided with a centrifugal interception net, the centrifugal interception net is circular and coaxially fixed on the shaft of the drive motor, and the centrifugal interception net is Multiple and cascading settings.

Compared with the prior art, the beneficial effects of the utility model are:

The utility model provides a range hood with multiple treatment of oil stains. By setting an oil stain centrifugal fan and an electrostatic purifier, it can perform centrifugal separation and electrostatic adsorption treatment on the air containing oil stains. At the same time, the electrostatic purifier can also discharge and ionize the air at high voltage. The ionized air can further decompose the ionized oil particles, thereby purifying the oil fume sucked by the range hood, and realizing the functions of purifying the oil fume and removing the smell of the oil fume.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is a schematic structural view of a range hood for multiple treatment of oil stains described in the utility model;

Fig. 2 is a schematic diagram of the internal structure of a range hood with multiple treatment of oil pollution described in the utility model;

Fig. 3 is the structural representation of the electrostatic purifier described in the utility model;

Fig. 4 is a schematic structural view of the positive discharge plate, the negative adsorption plate and the pull support angle steel described in the utility model;

Fig. 5 is a structural schematic diagram of the oily centrifugal fan described in the utility model;

Fig. 6 is a schematic structural view of the centrifugal interception net described in the utility model;

Fig. 7 is a schematic structural view of the centrifugal air-permeable mesh cover of the present invention.

Detailed ways

Referring to Fig. 1 to Fig. 7, Fig. 1 to Fig. 7 are structural schematic diagrams of a specific embodiment of the present invention.

As shown in Figures 1 to 7, a range hood for multiple treatment of oil pollution includes a range hood casing, an oil pollution centrifugal fan 40, an oil fume suction fan 30 and an electrostatic purifier 20, and the range hood casing is provided with Static interception oil screen 14 and exhaust gas discharge window 15, the air intake end of the oily dirt centrifugal fan 40 communicates with the static interception oil grid 14, and the air intake of the electrostatic purifier 20 communicated with the outlet end of the oily dirt centrifugal fan 40 end, the outlet end of the electrostatic purifier 20 is connected to the inlet end of the oil fume suction fan 30, and the outlet end of the oil fume suction fan 30 is connected to the exhaust gas discharge window 15; the oil dirt centrifugal fan 40 includes a centrifugal Breathable mesh cover 41 and the centrifugal drive motor 42 that drives described centrifugal breathable mesh cover 41 to rotate; Described electrostatic purifier 20 comprises positive electrode discharge plate 21 and negative electrode adsorption plate 22, and described positive electrode discharge plate 21 is arranged on described negative electrode adsorption plate 22 upstream of the airflow, and the planes of the positive discharge plate 21 and the negative adsorption plate 22 are parallel to the direction of airflow movement, the positive discharge plate 21 is a strip-shaped structure, and the two sides of the positive discharge plate 21 A serrated discharge tip 23 is provided on the side.

Further, the range hood shell includes a shell back wall plate 11 and a shell front wall plate 12 vertically facing each other, and the lower ends of the shell back wall plate 11 and the shell front wall plate 12 are provided with an oil fume collecting cover 13 , the static interception oil screen 14 is arranged in the oil fume collection cover 13 . A drawer supporting angle 17 is arranged between the front wall plate 12 of the housing and the back wall 11 of the housing, the electrostatic purifier 20 is movably placed on the drawing supporting angle 17, and the drawing supporting angle 17 is perpendicular to the front wall plate 12 of the housing; the front wall plate 12 of the housing is provided with a purifier drawing port, and the purifier drawing port is provided with a drawing port sealing cover plate 16 .

Further, the oil-stained centrifugal fan 40 also includes a centrifugal shroud 43, the centrifugal shroud 43 is cylindrical, and the two axial ends of the centrifugal shroud 43 are the air inlet end and the air outlet end respectively. , the air intake end of the centrifugal shroud 43 is provided with a shroud filter; the centrifugal drive motor 42 includes a drive motor body and a drive motor shaft, and the drive motor body is arranged on On the outside of the air outlet, the drive motor shaft is coaxially arranged in the centrifugal shroud 43; the centrifugal ventilating mesh cover 41 is a tapered tubular structure and is arranged in the centrifugal shroud 43, and the centrifugal shroud 41 The ventilating net cover 41 is coaxially fixedly connected to the rotating shaft of the driving motor, and the diameter of the centrifugal ventilating net cover 41 toward the outlet end of the centrifugal shroud 43 is larger than the diameter of the end toward the air inlet end of the centrifugal shroud 43 . The air outlet end of the centrifugal shroud 43 is provided with a centrifugal interception net 44, the centrifugal interception net 44 is circular and coaxially fixedly installed on the rotating shaft of the drive motor, the centrifugal interception net 44 is multiple and stacked set up.

During operation, the oil fume suction fan 30 provides a negative pressure, and the oil fume first passes through the static interception oil screen 14 for preliminary cooling and condensation, and then the remaining fine particles of oil fume continue to enter through the filter screen of the shroud along with the air. The centrifugal air deflector 43 collides with the rotating centrifugal air mesh cover 41 and the centrifugal interception mesh 44 in the centrifugal air flow deflector 43, and the oil particles are accompanied by the centrifugal air air mesh cover 41 and the centrifugal air mesh cover 41. The intercepting net 44 rotates together, so as to collect on the inner side wall of the centrifugal shroud 43 under the action of centrifugal force. When a plurality of said centrifugal intercepting nets 44 are stacked, the meshes are misaligned with each other, so that the meshes become denser, and the path of the airflow passing through the meshes becomes tortuous, so it is beneficial to fully contact and impact the oil particles, so that The oil and dirt particles rotate together with the centrifugal interception net 44 to achieve the effect of centrifugal separation.

The tail gas discharged from the greasy centrifugal fan 40 flows to the electrostatic purifier 20, and the electrostatic purifier 20 discharges at a high voltage through the positive discharge plate 21 to charge the greasy particles and part of the greasy particles and the air will be ionized, resulting in The charged oil particles will be adsorbed on the negative electrode adsorption plate 22, and the ionized air will further oxidize and decompose the charged oil particles and ionized oil particles, so as to realize the purification effect of electrostatic adsorption and ionization decomposition on the oil fume. The drawing support angle steel 17, the drawing port of the purifier and the sealing cover plate 16 of the drawing port are arranged to facilitate the daily cleaning operation of the electrostatic purifier 20, and clean the positive discharge plate 21 and the The oil fume adsorbed on the negative electrode adsorption plate 22.

The preferred embodiment of the utility model has been described in detail above. Of course, the utility model can also adopt different forms from the above-mentioned embodiment. Those skilled in the art can make equivalents without violating the spirit of the present invention. Transformation or corresponding changes should all belong to the protection scope of the present utility model.

Claims (5)

1. a kind of range hood of greasy dirt multi task process, it is characterised in that:Including smoke exhauster housing, greasy dirt centrifugal fan (40), oil smoke exhauster(-tor (30) and electrostatic cleaner (20) are provided on the smoke exhauster housing and static intercept oil network (14) and tail gas discharge window (15), the inlet end connection static state of the greasy dirt centrifugal fan (40) intercept oil network (14), The inlet end of the electrostatic cleaner (20) of the outlet side connection of the greasy dirt centrifugal fan (40), the electrostatic cleaner (20) outlet side is connected to the inlet end of the oil smoke exhauster(-tor (30), the outlet side connection of the oil smoke exhauster(-tor (30) The tail gas discharge window (15);The greasy dirt centrifugal fan (40) includes that centrifugation permeable net cover (41) and the driving centrifugation are saturating The centrifugation driving motor (42) of gas guard (41) rotation;The electrostatic cleaner (20) includes that positive discharge plate (21) and cathode are inhaled Attached plate (22), the positive discharge plate (21) are set to the air-flow upstream of the cathode adsorption plate (22), and the positive discharge The place plane of plate (21) and the cathode adsorption plate (22) is each parallel to air motion direction, the positive discharge plate (21) Strip structure, and the both sides of the positive discharge plate (21) are provided with zigzag discharge tip (23).

2. a kind of range hood of greasy dirt multi task process according to claim 1, it is characterised in that:Outside the range hood Shell includes the shell back wall plate (11) being oppositely arranged vertically and housing front plate plate (12), the shell back wall plate (11) and described outer The lower end of shell front panel (12) is provided with cooking fume-collecting cover (13), and the static oil network (14) that intercepts is set to the cooking fume-collecting It covers in (13).

3. a kind of range hood of greasy dirt multi task process according to claim 2, it is characterised in that:The housing front plate plate (12) pull support angle steel (17) is provided between the shell back wall plate (11), electrostatic cleaner (20) activity is placed On the pull support angle steel (17), and the pull support angle steel (17) is perpendicular to the housing front plate plate (12);It is described It is provided with clarifier pull mouth on housing front plate plate (12), pull mouth seal cover board is provided on the clarifier pull mouth (16)。

4. a kind of range hood of greasy dirt multi task process according to claim 1, it is characterised in that:The greasy dirt centrifuges wind It further includes centrifugal flow guiding cover (43) to fan (40), and the centrifugal flow guiding cover (43) is cylindrical shape, and the centrifugal flow guiding cover (43) Axial both ends are respectively inlet end and outlet side, and the inlet end of the centrifugal flow guiding cover (43) is provided with kuppe filter screen;Institute It includes driving motor ontology and driving motor shaft to state centrifugation driving motor (42), the driving motor ontology be set to it is described from On the outside of the outlet side of heart kuppe (43), the driving motor shaft coaxial arrangement is in the centrifugal flow guiding cover (43);It is described Centrifugation permeable net cover (41) is tapered tubular structure and is set in the centrifugal flow guiding cover (43), and the centrifugation permeable net cover (41) it is fixedly and coaxially connected the driving motor shaft, and the centrifugation permeable net cover (41) is towards the centrifugal flow guiding cover (43) One end diameter of outlet side is more than one end diameter towards centrifugal flow guiding cover (43) inlet end.

5. a kind of range hood of greasy dirt multi task process according to claim 4, it is characterised in that:The centrifugal flow guiding cover (43) outlet side is provided with centrifugation intercept net (44), and the centrifugation intercept net (44) is round and is coaxially fixedly mounted on described In driving motor shaft, the centrifugation intercept net (44) is multiple and is stacked.