CN109631105B

CN109631105B - Electrostatic purification range hood for kitchen

Info

Publication number: CN109631105B
Application number: CN201811413989.3A
Authority: CN
Inventors: 冯国文
Original assignee: SHANGHAI YINFENG ENERGY SCIENCE & TECHNOLOGY CO LTD
Current assignee: SHANGHAI YINFENG ENERGY SCIENCE & TECHNOLOGY CO LTD
Priority date: 2018-11-26
Filing date: 2018-11-26
Publication date: 2020-04-17
Anticipated expiration: 2038-11-26
Also published as: CN109631105A

Abstract

The invention discloses an electrostatic purification range hood for a kitchen, belongs to the field of range hoods, and solves the problem that the existing range hood has poor oil fume purification effect and can not sufficiently purify small-particle oil fume, and the technical key points are as follows: the oil smoke static purification device comprises an oil smoke static purification device and an oil smoke shell, wherein the oil smoke shell is fixedly connected with an installation support, and a fan is installed in the oil smoke shell, so that air flows through a pre-filter screen, the oil smoke static purification device, a catalyst adsorption layer and an activated carbon layer along a channel in the oil smoke shell in sequence and is discharged from a smoke exhaust pipe, the oil smoke purification effect is improved, and the oil smoke static purification device generates a corona phenomenon on small-particle oil smoke in the air; make the oil smoke particle finally adsorbed on the earth electrode plate surface, collect in the oil box after spraying, for current lampblack absorber, better to the purifying effect of oil smoke.

Description

Electrostatic purification range hood for kitchen

Technical Field

The invention relates to the field of range hoods, in particular to an electrostatic purification range hood for a kitchen.

Background

With the rapid development of the economy of China and the continuous improvement and improvement of the living standard of China, the kitchen range hood becomes a necessity for the life of people. However, the development time of the range hood in China is short, the existing market products mainly focus on smoke exhaust, energy conservation and environmental protection are considered to be less, and smoke exhaust of people in daily life and cooking causes serious pollution to the society and the indoor environment.

Present range hood is except when increasing the suction gas power, has also increased the simple filtering capability to the oil smoke, however, range hood's filtration is usually for add the filter screen in range hood inside at present, and the filter screen filters the big oil smoke granule of part, can't further purify to the oil smoke granule of tiny particle to, the filter screen also can become more tiny particle oil smoke with the large granule oil smoke dispersion, directly arranges outward, the polluted environment.

Therefore, we provide an electrostatic purification range hood for kitchen, which aims to solve the above problems and fully purify and adsorb small oil smoke particles so as to avoid serious pollution to the social and indoor environments.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide an electrostatic purification range hood for a kitchen to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

an electrostatic purification range hood for a kitchen comprises an electrostatic purification device for oil smoke, wherein the electrostatic purification device for oil smoke comprises a positive electrode plate and a ground electrode plate, the positive electrode plate and the ground electrode plate are distributed at intervals, a corona area is formed between the positive electrode plate and the ground electrode plate, a spray pipe is arranged above the electrostatic purification device for oil smoke, and a plurality of spray holes are formed in the surface of the spray pipe; the electrostatic purification range hood for the kitchen is characterized in that a smoke collection cover surface is arranged at the bottom side of the range hood shell, an air inlet is formed in the smoke collection cover surface and is communicated with an air inlet cavity in the range hood shell, a fan is arranged in the air inlet cavity, a pre-filtering net is arranged at an air outlet of the fan, an electrostatic purification device for the oil smoke is arranged in an air outlet channel at the other side of the pre-filtering net, a fixed plate is connected to the inner wall of the top of the range hood shell, a smoke collection pipe is connected to the bottom of the fixed plate, the top end of the smoke collection pipe is communicated with a smoke exhaust pipe, and the;

a catalyst adsorption layer is arranged above the oil fume electrostatic purification device, permeable cotton is arranged below the oil fume electrostatic purification device, an air inlet cavity is communicated with the lower part of the permeable cotton, a guide plate is arranged at the bottom side of the permeable cotton, the guide plate is arranged above an oil box, and the oil box is arranged at the bottom of the shell of the range hood; the surface of the smoke collecting pipe is provided with a plurality of gas collecting holes, an activated carbon layer is arranged in the range hood shell on the outer side of the smoke collecting pipe, and an activated carbon bracket is welded on the outer side of the smoke collecting pipe and annularly distributed on the outer side of the smoke collecting pipe.

As a further scheme of the invention, the top of the range hood shell is provided with a through hole through which a smoke exhaust pipe penetrates, the smoke exhaust pipe penetrates through the through hole and is welded with the fixing plate, and the fixing plate is connected with the range hood shell through a screw.

As a further scheme of the invention, the smoke collecting pipe is in threaded connection with the fixed plate, the diameter of the smoke collecting pipe is smaller than that of the smoke exhaust pipe, the outer wall of the upper end of the smoke collecting pipe is provided with external threads, and the external threads are connected with threads in the through hole in the middle of the fixed plate.

In conclusion, compared with the prior art, the invention has the following beneficial effects:

the electrostatic purification range hood for the kitchen is simple in structure and convenient to install, and the fan is installed in the range hood shell, so that air flows through the pre-filter screen, the oil smoke electrostatic purification device, the catalyst adsorption layer and the activated carbon layer along the channel in the range hood shell in sequence and then is discharged from the smoke discharge pipe, the oil smoke purification effect is improved, and the oil smoke electrostatic purification device generates a corona phenomenon on small-particle oil smoke in the air; make the oil smoke particle finally adsorbed on the earth electrode plate surface, collect in the oil box after spraying, for current lampblack absorber, better to the purifying effect of oil smoke.

To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a schematic structural diagram of an electrostatic purification range hood for a kitchen.

Fig. 2 is a schematic structural diagram of an electrostatic oil fume purification device in an electrostatic oil fume purification machine for kitchens.

Fig. 3 is a schematic structural diagram of a spray pipe in the electrostatic purification range hood for kitchen.

Fig. 4 is a schematic structural view of a smoke collecting pipe in the electrostatic purifying range hood for kitchen.

Reference numerals: 1-mounting bracket, 2-oil box, 3-guide plate, 4-smoke collecting cover surface, 5-air inlet, 6-air inlet cavity, 7-blower, 8-permeable cotton, 9-oil smoke static purification device, 10-pre-filter screen, 11-catalyst adsorption layer, 12-liquid outlet pipe, 13-cleaning agent box, 14-oil smoke machine shell, 15-fixing plate, 16-smoke exhaust pipe, 17-smoke collecting pipe, 18-active carbon layer, 19-spray pipe, 20-spray hole, 21-positive electrode plate, 22-grounding electrode plate and 23-gas collecting hole.

Detailed Description

The technical solution of the present invention is further described with reference to the accompanying drawings and specific embodiments.

Example 1

Referring to fig. 1 to 3, in the present embodiment, an electrostatic oil smoke purifying device includes a positive electrode plate 21 and a ground electrode plate 22, the positive electrode plate 21 and the ground electrode plate 22 are distributed at intervals, and a corona region is formed between the positive electrode plate 21 and the ground electrode plate 22, when smoke passes through the corona region, a positive electric field generated by the corona region separates electrons e in small particle oil smoke to flow to the positive electrode plate 21, and the small particle oil smoke itself loses positive charges of the electrons to generate ionization; in order to enable the oil fume mixed gas to be contacted with the corona area, preferably, in the embodiment, the positive electrode plate 21 is provided in a sheet shape, a net shape, a rod shape or a needle shape, the positive electrode plate 21 is connected with a voltage source of 80kv-100kv, and the surface of the positive electrode plate 21 is coated with a corrosion-resistant metal coating of gold, platinum, molybdenum or the like in an ionization environment.

When the purification is carried out, air passes through the corona area, positive charges are carried on the positive electrode plate 21 of the corona area, and the oil smoke particles in the air are separated from the oil smoke particles by the negative charges e under the action of an electric field force and generate a corona phenomenon on the positive electrode plate 21 of the corona area; the ionized soot particles with the positive points form a flat parabolic track under the action of a transverse power plant force vertical to the motion direction of the ionized soot particles in the electric field, and the soot particles are finally adsorbed on the surface of the grounding polar plate 22.

Oil smoke electrostatic purification device 9 top is equipped with

shower

19, and 19 surfaces of shower are equipped with a plurality of holes 20 that spray, and shower 19 is linked together with drain pipe 12, and cleaner case 13 is connected to drain pipe 12, install the measuring pump in the cleaner case 13, the during operation, the measuring pump and 9 synchronous workings of oil smoke electrostatic purification device, when carrying out electrostatic purification, spray, erode adsorbed oil smoke particle and follow guide plate 3 entering oil box 2, infiltration cotton 8 slows down the speed that the air got into air inlet chamber 6 from oil smoke electrostatic purification device 9 one side, and simultaneously, air inlet chamber 6 and infiltration cotton 8 below intercommunication make things convenient for the wind pressure of its production to do benefit to rivers and flow to the downside from infiltration cotton 8 upside.

Example 2

Referring to fig. 1 to 4, in this embodiment, an electrostatic purifying range hood for kitchen includes the electrostatic purifying apparatus for lampblack in embodiment 1, including a lampblack housing 14, the range hood is characterized in that a mounting support 1 is fixedly connected to a range hood shell 14, a smoke collection cover 4 is arranged on the bottom side of the range hood shell 14, an air inlet 5 is arranged on the smoke collection cover 4, the air inlet 5 is communicated with an air inlet cavity 6 in the range hood shell 14, a fan 7 is arranged in the air inlet cavity 6, a pre-filtering net 10 is arranged at an air outlet of the fan 7, an oil smoke electrostatic purification device 9 is arranged in an air outlet channel on the other side of the pre-filtering net 10, a catalyst adsorption layer 11 is arranged above the oil smoke electrostatic purification, the oil smoke static purification device 9 below is equipped with the infiltration cotton 8, and the guide plate 3 is installed to infiltration cotton 8 bottom side, and the guide plate 3 sets up in oil box 2 top, and oil box 2 is installed in the lampblack absorber casing 14 bottom.

The inner wall of the top of the range hood shell 14 is connected with a fixing plate 15, the bottom of the fixing plate 15 is connected with a smoke collecting pipe 17, the surface of the smoke collecting pipe 17 is provided with a plurality of gas collecting holes 23, an activated carbon layer 18 is arranged in the range hood shell 14 on the outer side of the smoke collecting pipe 17, the top end of the smoke collecting pipe 17 is communicated with a smoke exhaust pipe 16, and the top of the fixing plate 15 is welded on the smoke exhaust pipe 16.

Preferably, in this embodiment, a through hole for the smoke exhaust pipe 16 to pass through is formed in the top of the range hood housing 14, the smoke exhaust pipe 16 passes through the through hole and is welded to the fixing plate 15, and the fixing plate 15 is connected with the range hood housing 14 through screws, so that the fixing plate 15 can be assembled and disassembled conveniently.

Preferably, in this embodiment, the smoke collecting pipe 17 is in threaded connection with the fixing plate 15, the diameter of the smoke collecting pipe 17 is smaller than that of the smoke exhaust pipe 16, and the outer wall of the upper end of the smoke collecting pipe 17 is provided with an external thread which is connected with a thread in a through hole in the middle of the fixing plate 15, so that the smoke collecting pipe 17 is screwed on the fixing plate 15 by the thread and is communicated with the smoke exhaust pipe 16.

In order to facilitate the activated carbon layer 18 to be uniformly distributed outside the smoke collecting pipe 17, preferably, the activated carbon bracket is welded outside the smoke collecting pipe 17, the activated carbon layer 18 is annularly distributed outside the smoke collecting pipe 17, and the smoke enters the smoke collecting pipe 17 from the gas collecting hole 23 after being adsorbed and purified by the activated carbon layer 18, so that the smoke can be rapidly discharged.

The pre-filtering net 10 is a metal wire woven net and is made of aluminum materials with good heat conductivity, the proportion of large-particle oil smoke in air is reduced in the pre-filtering stage, and further electrostatic separation of small-particle oil smoke is facilitated.

The electrostatic purification range hood for the kitchen is simple in structure and convenient to install, and the fan 7 is installed in the range hood shell 14, so that air flows through the pre-filter screen 10, the oil smoke electrostatic purification device 9, the catalyst adsorption layer 11 and the activated carbon layer 18 in sequence along an inner channel of the range hood shell 14 and then is discharged from the smoke discharge pipe 16, the oil smoke purification effect is improved, and the oil smoke electrostatic purification device 9 generates a corona phenomenon on small-particle oil smoke in the air; the oil smoke particles are finally adsorbed on the surface of the grounding polar plate 22 and are collected in the oil box 2 after being sprayed, and compared with the existing range hood, the oil smoke purifying effect is better.

The technical principle of the present invention has been described above with reference to specific embodiments, which are merely preferred embodiments of the present invention. The protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. Other embodiments of the invention will occur to those skilled in the art without the exercise of inventive faculty, and such will fall within the scope of the invention.

Claims

1. An electrostatic purification range hood for a kitchen comprises an electrostatic purification device for oil smoke, wherein the electrostatic purification device for oil smoke comprises a positive electrode plate (21) and a grounding electrode plate (22), the positive electrode plate (21) and the grounding electrode plate (22) are distributed at intervals, a corona area is formed between the positive electrode plate and the grounding electrode plate, a spray pipe (19) is arranged above the electrostatic purification device for oil smoke (9), and a plurality of spray holes (20) are formed in the surface of the spray pipe (19); the electrostatic purification range hood for the kitchen further comprises a range hood shell (14), the range hood shell (14) is fixedly connected with a mounting bracket (1), the smoke exhaust ventilator is characterized in that a smoke collection cover surface (4) is arranged on the bottom side of a ventilator shell (14), an air inlet (5) is arranged on the smoke collection cover surface (4), the air inlet (5) is communicated with an air inlet cavity (6) in the ventilator shell (14), a fan (7) is installed in the air inlet cavity (6), a pre-filtering net (10) is installed at an air outlet of the fan (7), a smoke static purification device (9) is installed in an air outlet channel on the other side of the pre-filtering net (10), a fixing plate (15) is connected to the inner wall of the top of the ventilator shell (14), a smoke collection pipe (17) is connected to the bottom of the fixing plate (15), the top end of the smoke collection pipe (17) is communicated with a smoke exhaust pipe (;

a catalyst adsorption layer (11) is arranged above the oil fume electrostatic purification device (9), permeating cotton (8) is arranged below the oil fume electrostatic purification device (9), an air inlet cavity (6) is communicated with the lower part of the permeating cotton (8), a guide plate (3) is arranged at the bottom side of the permeating cotton (8), the guide plate (3) is arranged above the oil box (2), and the oil box (2) is arranged at the bottom of the range hood shell (14); the surface of the smoke collecting pipe (17) is provided with a plurality of gas collecting holes (23), an activated carbon layer (18) is arranged in the smoke ventilator shell (14) on the outer side of the smoke collecting pipe (17), an activated carbon bracket is welded on the outer side of the smoke collecting pipe (17), and the activated carbon layer (18) is distributed on the outer side of the smoke collecting pipe (17) in an annular mode.

2. The electrostatic purification range hood for the kitchen according to claim 1, characterized in that a through hole for the smoke exhaust pipe (16) to pass through is arranged at the top of the range hood housing (14), the smoke exhaust pipe (16) passes through the through hole and is welded with the fixing plate (15), and the fixing plate (15) is connected with the range hood housing (14) through a screw.

3. The electrostatic purification range hood for kitchens as claimed in claim 2, wherein the smoke collecting pipe (17) is in threaded connection with the fixing plate (15), the diameter of the smoke collecting pipe (17) is smaller than that of the smoke exhaust pipe (16), and the outer wall of the upper end of the smoke collecting pipe (17) is provided with external threads which are connected with threads in the through hole in the middle of the fixing plate (15).