CN104896551A

CN104896551A - Kitchen cooking fume purification device

Info

Publication number: CN104896551A
Application number: CN201410081418.XA
Authority: CN
Inventors: 鲜祖洪; 鲜兴文
Original assignee: XIAN KEHONG KITCHEN ENGINEERING EQUIPMENT Co Ltd
Current assignee: XIAN KEHONG KITCHEN ENGINEERING EQUIPMENT Co Ltd
Priority date: 2014-03-06
Filing date: 2014-03-06
Publication date: 2015-09-09

Abstract

The invention relates to a kitchen cooking fume purification device which is suitable for enterprises and public institutions such as schools, hotels, factories, mines and the like. The kitchen cooking fume purification device comprises an exhaust fan and a shell type fume hood which is provided with an oil collecting box; a first-stage shielding type cooking fume purifier provided with a net plate is obliquely mounted in the fume hood; an upper port of the fume hood is communicated with an inlet of a UV (ultraviolet) lamp irradiation box through a section of vertical air pipe; an outlet of the UV lamp irradiation box is communicated to an air inlet of the exhaust fan through a section of transverse air pipe; a spray purification chamber internally provided with a second-stage shielding type cooking fume purifier is further mounted outside an air outlet of the exhaust fan and/or behind the first-stage shielding type cooking fume purifier in the fume hood in a communicated manner. The kitchen cooking fume purification device is reasonable in structure and convenient to apply, cooking fume in kitchens can be purified after treatment through the purification device, the probability of kitchen fire is reduced, and the air pollution caused by the kitchen cooking fume is reduced.

Description

Cooker hood

Technical field

The invention belongs to purification technology field, relate to a kind of cooker hood being applicable to the enterprises and institutions such as school, hotel, factories and miness.

Background technology

The existing device for larger kitchens fume purifying comprises electronics fume purifier of fume, hydro-vent fume purifier of fume and UV lamp (ultraviolet lamp) fume purifier of fume.Electronics fume purifier of fume is made with high-pressure electrostatic absorption principle, the problems such as easy pollution, cleaning is difficult, the contaminated impact of purification efficiency is large are had in using, and such device can not avoid the greasy deposits of front end petticoat pipe and airduct inwall, be unfavorable for taking precautions against fire.The complicated structure of hydro-vent fume purifier of fume, by with the addition of the recirculated water of medicament to clean flue gas, power consumption is large, and water consumption is large, produces sewage too much.UV lam-oil fume purifying apparatus with high energy ultraviolet petticoat pipe internal radiation produce ozone, then with grease generation oxidation reaction, make oil smoke sex change by chemical method, but quartz burner is easily contaminated to be blocked, and then affect purification efficiency, need often to clean, its overall purification efficiency is on the low side; In addition existing UV lam-oil fume purifying apparatus is all contained in petticoat pipe, and distance operator is very near, and ultraviolet light easily leaks after reflection, produces harm to human body.

Summary of the invention

The object of the invention is to solve prior art Problems existing, provide a kind of rational in infrastructure, application is convenient, the oil smoke in kitchen can be made to obtain effective purified treatment and then reduce the cooker hood of the aerial discharge capacity of kitchen fume.

For achieving the above object and adopt technical solution be such: the cooker hood provided comprises air exhauster and the shell-type petticoat pipe with oil collection box, in petticoat pipe, angle mount has a first order protected type cooking fume remover being with net dish, petticoat pipe upper port passes through the inlet communication of one section of perpendicular airduct and a UV light irradiation case, the outlet of UV light irradiation case passes to the air inlet of air exhauster by one section of beam wind pipe, also lead to outside the air outlet of air exhauster and/or be positioned at first order protected type cooking fume remover in petticoat pipe after and the spraying clean room that is established second level protected type cooking fume remover is housed.

The further technical solution of the present invention is also: in petticoat pipe, angle mount has first order protected type cooking fume remover, and the air outlet of air exhauster is connected by the import of another section of beam wind pipe with spraying clean room.

The further technical solution of the present invention is also: the first order protected type cooking fume remover of band net dish and the second level protected type cooking fume remover of band net dish and spray equipment are housed successively along air intake direction in petticoat pipe, and the space between first order protected type cooking fume remover and second level protected type cooking fume remover forms spraying clean room.

Cooker hood of the present invention is a kind of clean unit by multiple different structure carries out purified treatment device to kitchen fume.In practical work process, kitchen fume enters petticoat pipe under air exhauster graviational interaction, net dish (or spraying clean room of two-stage protected type clarifier formation) through first order protected type clarifier is removed most of oil smoke particle, and isolated waste oil flows in oil collection box and is recovered; Flue gas enters in the transverse tube above petticoat pipe again, and irradiated by UV lamp (i.e. high energy ultraviolet lamp), the ozone generation chemical reaction that smoke particle and high-energy ray produce, is removed peculiar smell; Last gas enters the spraying clean room of end again, again through the net dish of second level protected type clarifier after remaining smoke particle and water smoke mixing, washing, becomes water droplet and collect and enter underground after separated.

Compared with prior art, the beneficial effect that the present invention has is:

1, after kitchen fume flows through device of the present invention, through physics interception, Ultraviolet radiation, spray washing, again physics interception multiple tracks technique, by repeatedly with physics, chemical method process, make the particle in flue gas and peculiar smell be removed substantially simultaneously totally, can accomplish to discharge nearby;

2, the present invention directly can reclaim the waste oil in flue gas, accomplishes twice laid;

3, adopt structure of the present invention to shorten fume emission distance, reduce smoke evacuation required drive, save the conveying energy;

4, adopt the present invention to make flue gas obtain processing early stage, airduct inside is long-pending greasy dirt not easily, reduces the condition that fire occurs, and reduces the possibility that cooking fire occurs;

5, UV lamp (ultraviolet lamp) fume purifier of fume is arranged in the beam wind pipe above petticoat pipe by the present invention, away from operating personnel, has broken off leaking the possibility causing light pollution.

Accompanying drawing explanation

Fig. 1 is the schematic diagram of an embodiment of the present invention structure.

Fig. 2 is the schematic diagram of the another kind of example structure of the present invention.

In accompanying drawing, the title of each number designation respectively: 1-oil collection box, 2-petticoat pipe, 3-first order protected type cooking fume remover, 4-UV light irradiation case, 5-air exhauster, 6-atomizer, 7-second level protected type cooking fume remover.

Detailed description of the invention

Below with reference to accompanying drawing, content of the present invention is described further, but practical application form of the present utility model is not limited in illustrated embodiment.

Cooker hood shown in Fig. 1 is made up of petticoat pipe 2, oil collection box 1, UV light irradiation case 4, air exhauster 5, first order protected type cooking fume remover 3 and the interior spraying clean room etc. of second level protected type cooking fume remover 7 that establishes.First order protected type cooking fume remover 3 angle mount with net dish is in petticoat pipe 2, the upper port of petticoat pipe 2 passes through the inlet communication of one section of perpendicular airduct and UV light irradiation case 4, the outlet of UV light irradiation case 4 passes to the air inlet of air exhauster 5 by beam wind pipe, the air outlet of air exhauster 5 establishes the import of the spraying clean room of second level protected type cooking fume remover 7 to be connected by another section of beam wind pipe with interior.

In real work, oil-contg. smoke is after petticoat pipe 2 is collected, and under the swabbing action of air exhauster 5, by first order protected type cooking fume remover 3, under net dish centrifugal bump, be separated most smoke particle, elaioleucite accumulates oil droplet and flows into oil collection box 1 downwards; Purified gas then enter top beam wind pipe, at airduct built with UV light irradiation case 4, under the irradiation of intensive ultraviolet, the partial oxidation in air is decomposed and is combined to ozone, then with smoke particle generation oxidation reaction, get rid of peculiar smell; Flue gas flow forward enters air exhauster 5 afterwards, the spraying clean room of end is flowed into again after increasing power, period first with atomizer water smoke mixing, washing out, then flow through second level protected type cooking fume remover 7 and be once cleaned separation by the right side, isolated a small amount of sewage Residual oil is discharged from bottom.

This purifier is owing to first having carried out purified treatment to oil smoke in fume pipeline porch, and what the flue gas entering pipeline was become is clean, and airduct inwall below not easily produces grease, decreases the possibility that flame is stretched along inner-walls of duct; After UV lamp is contained in petticoat pipe, double purification can be carried out to oil smoke, remove the peculiar smell of residue oil smoke with photochemical method, also away from operating surface, make high energy ultraviolet reflect petticoat pipe, harm can not be produced to human body; Spray washing device is adopted in addition at the end of exhanst gas outlet, increase the volume of smoke particle, the second level protected type cooking fume remover being conducive to arranging below catches and is separated, after eventually passing the separation again of protected type cooking fume remover, particle concentration in flue gas reduces further, can meet the requirement of low-altitude discharged, accomplishes to discharge nearby, save the transmitting power consumption of air exhauster, decrease the material consumption of airduct.

Another kind of example structure of the present invention as shown in Figure 2, the difference of itself and previous embodiment structure is: the first order protected type cooking fume remover 3 being with net dish and the second level protected type cooking fume remover 7 be with net dish and spray equipment (atomizer 6) are housed successively along air intake direction in petticoat pipe, form by the petticoat pipe cavity space between first order protected type cooking fume remover 3 and second level protected type cooking fume remover 7 clean room that sprays.

Claims

1. a cooker hood, comprise air exhauster (5) and the shell-type petticoat pipe (2) with oil collection box (1), it is characterized in that: in petticoat pipe (2), angle mount has a first order protected type cooking fume remover (3) being with net dish, petticoat pipe (2) upper port passes through the inlet communication of one section of perpendicular airduct and a UV light irradiation case (4), the outlet of UV light irradiation case (4) passes to the air inlet of air exhauster (5) by one section of beam wind pipe, also lead to outside the air outlet of air exhauster (5) and/or be positioned at first order protected type cooking fume remover (3) in petticoat pipe (2) after and the spraying clean room that is established second level protected type cooking fume remover (7) is housed.

2. cooker hood according to claim 1, it is characterized in that: in petticoat pipe (2), angle mount has first order protected type cooking fume remover (3), the air outlet of air exhauster (5) is connected by the import of another section of beam wind pipe with spraying clean room.

3. cooker hood according to claim 1, it is characterized in that: the first order protected type cooking fume remover (3) of band net dish and second level protected type cooking fume remover (7) of band net dish and spray equipment are housed successively along air intake direction in petticoat pipe (2), and the space between first order protected type cooking fume remover (3) and second level protected type cooking fume remover (7) forms spraying clean room.