CN210425173U

CN210425173U - External smoke exhaust device for kitchen

Info

Publication number: CN210425173U
Application number: CN201920893493.4U
Authority: CN
Inventors: 马大成; 张震宇; 陈金梁; 肖亚楠; 陈德财
Original assignee: Haimen Jinfeng Sheng Kitchen Equipment Co Ltd
Current assignee: Haimen Jinfeng Sheng Kitchen Equipment Co Ltd
Priority date: 2019-06-14
Filing date: 2019-06-14
Publication date: 2020-04-28
Anticipated expiration: 2029-06-14

Abstract

The utility model discloses an external fume extractor in kitchen, including fixed oil smoke clarifier and the centrifugal fan who sets up in kitchen outer wall top and electric connection, oil smoke clarifier's air intake is connected with the indoor collection petticoat pipe that is used for absorbing the inside oil smoke in kitchen through the exhaust pipe, oil smoke clarifier's air outlet with centrifugal fan is connected, centrifugal fan's top is equipped with the air exit that is used for exhaust tail gas. The smoke exhaust device adopts the smoke exhaust pipeline to connect the indoor smoke collecting hood with the outdoor oil smoke purifier and the centrifugal fan, can exhaust indoor oil smoke with high power, and has good smoke exhaust effect and low noise; the oil fume purifier, the centrifugal fan and most of the smoke exhaust pipelines are arranged outdoors, so that the oil fume purifier is free from oil fume pollution and easy to clean, and the service life of the smoke exhaust device is prolonged; in addition, the oil fume purifier can reach the national emission standard after purification, and has good oil fume purification effect and good practicability.

Description

External smoke exhaust device for kitchen

Technical Field

The utility model relates to a fume extractor, concretely relates to kitchen external use fume extractor belongs to for kitchen use purification environmental protection equipment technical field.

Background

The oil and fat, organic matter and their heating decomposition or cracking products, which are volatilized during cooking and processing, are collectively called as oil smoke. When cooking, the oil is heated, blue smoke which is decomposed in the initial stage appears when the temperature reaches the smoke point of the edible oil of 170 ℃, the decomposition speed is accelerated along with the continuous rise of the temperature, when the temperature reaches 250 ℃, a large amount of oil smoke is generated and accompanied by pungent smell, and the particle size of the oil smoke is 0.01 micron to 0.3 micron. The cooking fume contains 220 kinds of chemical substances, mainly including aldehyde, ketone, hydrocarbon, fatty acid, alcohol, aromatic compound, ester, lactone, heterocyclic compound and the like, and in addition, known mutation carcinogens such as volatile nitrosamine and the like are found in the cooking fume, and the fume belongs to indoor air pollutants.

The kitchen is the place of gathering oil smoke, and fume extractor or fume extractor are the important system that influences the kitchen normal operating, mainly play the purification effect in kitchen space, and every kitchen must possess. At present, an indoor smoke exhaust ventilator is generally installed in a household kitchen, but the indoor smoke exhaust ventilator is easy to damage if the working time is prolonged due to small power and limited smoke exhaust effect, and is not suitable for cooking and eating units (such as dining halls, restaurants and the like) with large smoke exhaust amount, and the cooking and eating units need to install smoke purification facilities or equipment according to relevant national regulations and ensure to operate as required during operation; in addition, the indoor range hood is difficult to clean, and usually is directly discharged outdoors without oil fume purification, and can not reach the national standard of oil fume emission.

Therefore, how to meet the above requirements and design a smoke exhaust device with high power, easy cleaning and long service life becomes a technical problem to be solved urgently by workers in the field.

Disclosure of Invention

To prior art's above defect or improvement demand, the utility model provides an external fume extractor in kitchen adopts exhaust pipe to be connected indoor collection petticoat pipe and outdoor oil smoke clarifier and centrifugal fan, and smoke exhaust effect is good, and small in noise, fume extractor long service life, oil smoke purifying effect is good, and the practicality is good.

The purpose of the utility model is to realize through the following technical scheme:

the utility model discloses an external fume extractor in kitchen, including fixed oil smoke clarifier and the centrifugal fan who sets up in kitchen outer wall top and electric connection, oil smoke clarifier's air intake is connected with the indoor collection petticoat pipe that is used for absorbing the inside oil smoke in kitchen through the exhaust pipe, oil smoke clarifier's air outlet with centrifugal fan is connected, centrifugal fan's top is equipped with the air exit that is used for exhaust tail gas.

Furthermore, the oil fume purifier and the centrifugal fan are respectively provided with a shock absorber for buffering at the contact part of the oil fume purifier and the outer wall of the kitchen.

Further, a protective cover is arranged at the top of the oil fume purifier.

Further, centrifugal fan locates in being used for making an uproar amortization room of falling, the amortization room is fixed to be set up on the kitchen outer wall.

Further, the amortization room comprises the room body that has bilayer structure, and the internal layer of room is the mesh board of inhaling the sound, and the external solid slab that is syllable-dividing of room, the internal layer of room with it has the amortization cotton to fill between the external layer of room.

Furthermore, the tail end of the smoke exhaust pipeline is hermetically connected with an air inlet of the oil smoke purifier through a noise reduction pipe fitting for reducing noise.

Furthermore, the silencing pipe fitting comprises a silencing pipe and a metal exhaust hose which are connected in a sealing mode, the air inlet end of the silencing pipe is in butt joint with the tail end of the smoke exhaust pipeline in a sealing mode, and the air outlet end of the metal exhaust hose is connected with the air inlet of the oil smoke purifier in a sealing mode.

Further, the pipe diameter of the smoke exhaust pipeline is 400mm-600 mm.

Further, the types of the oil fume purifier are a low-altitude direct discharge type, a high-altitude discharge type, an automatic cleaning type and a UV/activated carbon deodorization type.

Further, the air suction speed of the cover opening of the indoor exhaust fume collecting cover is not lower than 0.5 m/s.

Compared with the prior art, the technical scheme of the utility model has following advantage:

the utility model provides an external kitchen fume extractor, which adopts the fume exhaust pipeline to connect the indoor fume collecting hood with the outdoor fume purifier and the centrifugal fan, can exhaust the indoor fume with high power, and has good fume exhaust effect and low noise; the oil fume purifier, the centrifugal fan and most of the smoke exhaust pipelines are arranged outdoors, so that the oil fume purifier is free from oil fume pollution and easy to clean, and the service life of the smoke exhaust device is prolonged; in addition, the oil fume purifier can reach the national emission standard after purification, and has good oil fume purification effect and good practicability.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the specific embodiments. The drawings are only for purposes of illustrating the particular embodiments and are not to be construed as limiting the invention. In the drawings:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

wherein: 10. an indoor smoke collecting hood; 20. a smoke exhaust duct; 21. a sound-deadening tube; 22. a metal exhaust hose; 30. a lampblack purifier; 31. a protective cover; 40. a centrifugal fan; 41. an air outlet; 42. A silencing room; 50. a kitchen exterior wall; 60. a shock absorber.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. Examples of the embodiments are illustrated in the accompanying drawings, and the specific embodiments described in the following embodiments of the present invention are merely illustrative of the specific embodiments of the present invention, and are intended to be used for explaining the present invention, and not to constitute limitations of the present invention.

An external kitchen fume extractor, as shown in fig. 1, comprises a fume exhaust pipe 20 fixedly arranged above an outer wall 50 of a kitchen, a fume purifier 30 and a centrifugal fan 40, and an indoor fume collecting hood 10 for absorbing fume in the kitchen. The indoor smoke collecting hood 10 is located above an indoor cooking bench, in order to guarantee indoor smoke exhaust effect, the air suction speed of the hood opening of the indoor smoke collecting hood 10 is not lower than 0.5m/s, and the pipe diameter of the smoke exhaust pipeline 20 is 400mm-600 mm. An exhaust outlet 41 for exhausting tail gas is arranged at the top of the centrifugal fan 40.

According to different design demands and use occasions, the utility model provides an among the kitchen external use fume extractor, any one of low latitude straight row type, high altitude emission type, self-cleaning type and UV active carbon odor removing type can be chooseed for use to the type of oil smoke clarifier 30.

The air intake of oil smoke clarifier 30 passes through exhaust pipe 20 with indoor collection petticoat pipe 10 is connected, wherein, the head end of exhaust pipe 20 pass the kitchen wall with indoor collection petticoat pipe 10 sealing connection, the tail end of exhaust pipe 20 with oil smoke clarifier 30's air intake sealing connection.

The oil fume purifier 30 is electrically connected to the centrifugal fan 40, and the centrifugal fan 40 is disposed at the tail end of the oil fume purifier 30 and is hermetically connected to the air outlet of the oil fume purifier 30. The centrifugal fan 40 is disposed behind the oil fume purifier 30, and the oil fume in the smoke exhaust duct 20 flows downstream into the oil fume purifier 30 through the indoor smoke collecting hood 10 by the rotation speed of the centrifugal fan 40 itself, stays inside the oil fume purifier 30 for about 2 seconds to perform oil fume particulate matter purification, and then discharges other substances (such as volatile substances and the like) into the atmosphere by the centrifugal fan 40 to be volatilized.

In fig. 1, a protective cover 31 is provided on the top of the oil fume purifier 30, and the protective cover 31 is used for preventing dust, shading sun and rain, and prolonging the service life of the oil fume purifier. In addition, the outside of the centrifugal fan 40 is also covered with a noise reduction room 42 for reducing noise, the noise reduction room 42 is fixedly arranged on the outer wall 50 of the kitchen, and the centrifugal fan 40 is arranged in the noise reduction room 42. The silencing room 42 can also play a role in protection while silencing and reducing noise, and prolongs the service life of the centrifugal fan 40.

Further, amortization room 42 comprises the room body that has bilayer structure, and the internal layer of room is the mesh board of inhaling the sound, and the external solid slab that is syllable-dividing, waterproof of room body, the internal layer of room with it has the amortization cotton to fill between the external layer of room.

Furthermore, for reducing the utility model provides a fume extractor's noise at work, the end of exhaust pipe 20 pass through the amortization pipe fitting with oil smoke clarifier 30's air intake sealing connection, wherein, the amortization pipe fitting is used for further noise reduction. As shown in fig. 1, the silencing pipe includes a silencing pipe 21 and a metal exhaust hose 22, which are hermetically connected, an air inlet end of the silencing pipe 21 is hermetically butted to a tail end of the smoke exhaust duct 20, and an air outlet end of the metal exhaust hose 22 is hermetically connected to an air inlet of the oil smoke purifier 30.

Further, the oil fume purifier 30 and the centrifugal fan 40 are provided with a shock absorber 60 at the contact part with the kitchen outer wall 50, the shock absorber 60 is used for buffering the shock impact of the oil fume purifier 30 and the centrifugal fan 40 in the working process, and the service life is prolonged, as shown in fig. 1, the shock absorbers 60 are arranged between the oil fume purifier 30 and the kitchen outer wall 50 in pairs, and meanwhile, a group of shock absorbers 60 are also arranged between the centrifugal fan 40 and the kitchen outer wall 50.

To sum up, the smoke exhaust device for kitchen and external use provided by the utility model adopts the smoke exhaust pipeline to connect the indoor smoke collecting hood with the outdoor oil smoke purifier and the centrifugal fan, can exhaust the indoor oil smoke with high power, and has good smoke exhaust effect and low noise; the oil fume purifier, the centrifugal fan and most of the smoke exhaust pipelines are arranged outdoors, so that the oil fume purifier is free from oil fume pollution and easy to clean, and the service life of the smoke exhaust device is prolonged; in addition, the oil fume purifier can reach the national emission standard after purification, and has good oil fume purification effect and good practicability.

It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, the word "comprising" does not exclude the presence of data or steps not listed in a claim.

Claims

1. A kitchen external use fume extractor which characterized in that: including fixed oil smoke clarifier and the centrifugal fan that sets up in kitchen outer wall top and electric connection, the air intake of oil smoke clarifier is connected with the indoor collection petticoat pipe that is used for absorbing the inside oil smoke in kitchen through exhaust pipe, the air outlet of oil smoke clarifier with centrifugal fan is connected, centrifugal fan's top is equipped with the air exit that is used for discharging tail gas.

2. The kitchen fume extractor as claimed in claim 1, wherein: the oil fume purifier and the centrifugal fan are respectively provided with a shock absorber for buffering at the contact part with the outer wall of the kitchen.

3. The kitchen fume extractor as claimed in claim 2, wherein: the top of the oil fume purifier is provided with a protective cover.

4. The kitchen fume extractor as claimed in claim 2, wherein: the centrifugal fan is arranged in a noise reduction room for reducing noise, and the noise reduction room is fixedly arranged on the outer wall of a kitchen.

5. The kitchen fume extractor as claimed in claim 4, wherein: the amortization room comprises the room body that has bilayer structure, and the internal layer in room is for inhaling the mesh board of sound, and the external solid slab that is sound-proof in room, the internal layer in room with it has the amortization cotton to fill between the external layer in room.

6. The kitchen fume extractor as claimed in claim 1, wherein: the tail end of the smoke exhaust pipeline is hermetically connected with an air inlet of the oil smoke purifier through a noise reduction pipe fitting for reducing noise.

7. The kitchen fume extractor as claimed in claim 6, wherein: the silencing pipe fitting comprises a silencing pipe and a metal exhaust hose which are connected in a sealing mode, the air inlet end of the silencing pipe is in butt joint with the tail end of the exhaust pipe in a sealing mode, and the air outlet end of the metal exhaust hose is connected with the air inlet of the oil smoke purifier in a sealing mode.

8. The kitchen fume extractor as claimed in claim 7, wherein: the pipe diameter of the smoke exhaust pipeline is 400mm-600 mm.

9. The kitchen fume extractor as claimed in claim 1, wherein: the oil fume purifier is of a low-altitude direct discharge type, a high-altitude discharge type, an automatic cleaning type and a UV/activated carbon odor removing type.

10. The kitchen fume extractor as claimed in claim 1, wherein: and the air suction speed of the cover opening of the indoor smoke collecting cover is not lower than 0.5 m/s.