CN205655362U

CN205655362U - Range hood

Info

Publication number: CN205655362U
Application number: CN201620051787.9U
Authority: CN
Inventors: 王龙顺
Original assignee: Chengdu Ouruikang Environmental Protection Technology Co Ltd
Current assignee: Chengdu Ouruikang Environmental Protection Technology Co Ltd
Priority date: 2016-01-19
Filing date: 2016-01-19
Publication date: 2016-10-19
Anticipated expiration: 2026-01-19

Abstract

The utility model discloses a range hood, it includes the range hood casing, and range hood casing lower extreme is the pump orifice, and the upper end is the exhaust port, the basin is installed to position at the pump orifice, the outlet is installed to basin one end, the water inlet is installed to the other end, install ultrasonic vibrator in the basin, a plurality of ultrasonic vibrator sets gradually along the direction of outlet to water inlet in the basin, the fan is installed to position at the exhaust port, fan one end is the air outlet, the other end is the air intake, the air outlet passes through exhaust pipe and exhaust port intercommunication, the spray header is installed to position at the air intake, the spray header is connected with the water pump through the inlet channel, and this water pump sets up in the basin, the spray header below has been seted up to sputter and has been sprayed the mouth, the spray header top is provided with the filter screen, the utility model discloses an excusing from death ripples atomizing becomes the form of aerosol to water, increases its and the area of contact of oil smoke, fully contacts with the oil smoke to reduce oily gas temperature degree, and be convenient for retrieve the oil smoke.

Description

Smoke exhaust ventilator

Technical field

This utility model relates to food and drink and household cooker hood technology for cooking fume control field, is specifically related to a kind of oil pumping Cigarette machine.

Background technology

Fume purifying mainly has following three kinds at present:

First, common Cooker hood, the method utilizes oil smoke naturally to adsorb the oil in flue gas through sheet metal Cigarette, provides power to make oil smoke enter in petticoat pipe by the induced draft fans installed on pipeline, and the method can make oil Fat remains in formation dirt on the metal surface that oil smoke is passed through in a large number, and purification efficiency is extremely low, it is impossible to reach To discharge standard, be easy to breaking out of fire in actual use, cause personnel's property loss, need through Often cleaning pipeline, cost is the highest.

Second, water smoke degraded Cooker hood, the method is installation atomising head, pump such as water under high pressure inside petticoat pipe Atomization, sucks oil smoke by the blower fan being arranged on exhaust duct and mixes with fog, is oil by isolation fan The method of aqueous mixtures backflow removes fume eliminating, owing to atomized water is the least with the contact area of oil smoke, it is impossible to fully Absorb oil smoke, therefore after long-time use, in pipeline can be made, still have a large amount of grease to need to clean, Discharge the most up to standard, be also susceptible to fire, need often to clean piping cost higher.

3rd, static fume adsorbs, and the method is to make smoke particle charged by electrion, and oil smoke passes through Electric field substrate adsorption, time in the early stage, the method oil smoke adsorption efficiency is the highest, due to oil smoke have the strongest viscosity and Bigger resistivity, it is possible to stick on electrode and substrate, electric field intensity after using one end time Reducing, absorbability weakens to such an extent as to cannot adsorb oil smoke, due to the charged heating of oil smoke, so easily making suction Being attached to the oil smoke solidification of bottom, be unfavorable for cleaning, easily bring new pollutant such as, high electrion produces Raw ozone and nitrogen oxide, contaminated air.

Utility model content

This utility model in order to for reducing hazardous emission, pure air, protect environment, it is provided that solve one enough More efficient purifying oil fume, reduces the smoke exhaust ventilator polluted.

For achieving the above object, this utility model is by the following technical solutions:

A kind of smoke exhaust ventilator, it includes that casing of cooker hood, described casing of cooker hood lower end are pump orifice, Upper end is exhaust opening；Be provided with tank in the position of described pump orifice, described tank one end is provided with discharge outlet, The other end is provided with water inlet, is provided with several ultrasonic oscillators in described tank, and several ultrasound wave shake Son sets gradually along discharge outlet to the direction of water inlet in tank, is provided with in the position of described exhaust opening Blower fan, described blower fan one end is air outlet, and the other end is air inlet, described air outlet by smoke discharging pipe with Exhaust opening connects, and is provided with spray header in the position of described air inlet, and described spray header passes through water inlet pipe Road connects water pump, and this water pump is arranged in tank, offers several and spatter below described spray header Penetrating mouth spray, described spray header is provided above filter screen.

Further technical scheme is, described spray header both sides are separately installed with dividing plate, and shower water Pipe is connected with casing of cooker hood by dividing plate.

Further technical scheme is, the ultrasonic frequency of described excusing from death ripple oscillator is more than 2.0MHz.

Further technical scheme is, the ultrasonic frequency of described excusing from death ripple oscillator is 2.0MHz.

Further technical scheme is, described filter screen uses rustless steel steel wire criss-cross weave to form, and And the hole of described filter screen is 20-60 molybdenum.

Further technical scheme is, is additionally provided with gap, the upper end of described gap in described tank Flush with the upper edge of tank.

Further technical scheme is, described smoke exhaust ventilator also includes the behaviour being arranged on casing of cooker hood Make panel.

Further technical scheme is, described casing of cooker hood uses stainless-steel sheet to make.

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

This utility model uses excusing from death ripple atomization, and water is become aerocolloidal form, increases its connecing with oil smoke Contacting surface is amassed, and fully contacts with oil smoke, thus reduces oil smoke temperature, and is easy to reclaim oil smoke；

This utility model can be more efficient purifying oil fume, reduce pollute, through the test oil smoke in one period of cycle Purification efficiency averagely can reach 93.0%, and minimum purifying rate is not less than 89.6%.Oil smoke discharge is the highest to be less than 0.95mg/m³。

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model.

As it can be seen, wherein corresponding reference is entitled:

1 tank, 2 discharge outlet, 3 gaps, 4 ultrasonic oscillators, 5 water inlets, 6 casing of cooker hoods, 7 operations Panel, 8 blower fans, 9 filter screens, 10 spray headers, 11 sputtering mouth sprays.

Detailed description of the invention

Below in conjunction with the accompanying drawings this utility model is further elaborated.

A kind of smoke exhaust ventilator as shown in Figure 1, it includes casing of cooker hood 6, described casing of cooker hood 6 times End is pump orifice, and upper end is exhaust opening；Tank 1, described tank 1 one are installed in the position of described pump orifice End is provided with discharge outlet 2, and the other end is provided with water inlet 5, is provided with several ultrasound wave and shakes in described tank 1 Son 4, several ultrasonic oscillators 4 set gradually along the direction of discharge outlet 2 to water inlet 5 in tank 1, The position of described exhaust opening is provided with blower fan 8, and described blower fan 8 one end is air outlet, and the other end is air inlet, Described air outlet is connected with exhaust opening by smoke discharging pipe, is provided with spray header in the position of described air inlet 10, described spray header 10 is connected by inlet channel water pump, and this water pump is arranged in tank 1, institute Stating and offer several sputtering mouth sprays 11 below spray header 10, described spray header 10 is provided above filter Net 9.

The present embodiment, by arranging ultrasonic oscillator 4, is atomized the water in tank 1, after making atomization Drop diameter is maintained between 0.05mm-0.2mm, thus ensures the adsorption to oil smoke of the water droplet after atomization, By arranging spray header 10, to atomization after the complex of water droplet and oil smoke wash away so that it is arrange Go out smoke exhaust ventilator, it is to avoid the pollution again to air.

In order to after being atomized, the complex of water droplet and oil smoke is maintained in certain region, the preferred skill of the present embodiment Art scheme is, spray header 10 both sides are separately installed with dividing plate, and spray header 10 passes through dividing plate and takes out On lampblack absorber housing 6, by spray header 10 both sides, dividing plate is installed, so spray header 10 with every Be formed between plate one for the region that the oil smoke with water complexation is washed away, due to blower fan 8 produce negative pressure, Simultaneously in the barrier effect of dividing plate, thus make the oil smoke with water complexation can only be in above-mentioned zone.

In order to the drop diameter after being atomized is maintained between 0.05mm-0.2mm, the preferred technical side of the present embodiment Case is, the ultrasonic frequency of excusing from death ripple oscillator 4 be more than 2.0MHz (preferably, ultrasonic frequency is 2.0MHz, When ultrasonic frequency is 2.0MHz, just can make to make water fogging).

In order to the complex of the water after reducing atomization Yu oil smoke is inhaled in blower fan 8, the preferred skill of the present embodiment Art scheme is, filter screen 9 uses rustless steel steel wire criss-cross weave to form, and the hole of described filter screen 9 It is 50 molybdenums, the hole of filter screen 9 is set to 50 molybdenums, when water smoke rises to filter screen 9 base, due to filter The hydrophilic of net, water is easy to stick on filter screen 9, thus promotes the backflow of water, reduces water smoke and is sucked into Blower fan 8.

For the ease of being more than the discharge of moisture in tank 1, the preferred technical scheme of the present embodiment is, tank 1 Inside being additionally provided with gap 3, the upper end of described gap 3 flushes with the upper edge of tank 1.

In order to improve the service life of smoke exhaust ventilator, the preferred technical scheme of the present embodiment is, smoke pumping casing Body 6 uses stainless-steel sheet to make.

According to an embodiment of the present utility model, smoke exhaust ventilator also includes being arranged on casing of cooker hood 6 Guidance panel 7.

Operation principle of the present utility model is as follows:

First blower fan 8 work produces wind-force, and makes air produce negative pressure, the oil that will produce below smoke exhaust ventilator Cigarette sucks smoke exhaust ventilator, and then the ultrasonic oscillator 4 by being placed in tank 1 produces excusing from death ripple atomization tank 1 In water, make water be atomized into the water smoke of a diameter of about 0.1mm, owing to the surface area of solid mass is Fix, although the volume of solid does not changes after being pulverized by solids, but solid particulate matter Total surface area is far longer than original solid mass, so the water as fluid is the most such former Reason, the water smoke after atomization adds the surface area of water, and is suspended in above the water surface, at this moment enters smoke exhaust ventilator Oil smoke will with the water surface above atomization water be sufficiently mixed, in mixed process, the temperature of oil smoke can be dropped Low, the little granule in oil smoke and water complexation simultaneously, due to the structure of hydrone, water belongs to polar molecule, food It is polar molecule equally with the molecule of oil, so complexation can be produced, finally, the water after atomization and the network of oil smoke Compound, under the effect of blower fan 8, continues to rise to be formed for one between spray header 11 and dividing plate for inciting somebody to action The region washed away with the oil smoke of water complexation, the negative pressure produced due to blower fan 8, the barrier effect of dividing plate simultaneously, Thus make the oil smoke with water complexation can only be in above-mentioned zone, in this region, by sputtering mouth spray 11 The water droplet that ejection is relatively large in diameter, is carried out the complex of the water after atomization with oil smoke, and makes this complex Enter in tank 1, discharged by discharge outlet 2, simultaneously in order to reduce the network of the water after atomization and oil smoke Compound is inhaled in blower fan 8, is arranged above filter screen 9 at spray header 10.

This utility model can be more efficient purifying oil fume, reduce pollute, through the test in one period of cycle, Averagely can reach 93.0% to fume purifying efficiency, minimum purifying rate is not less than 89.6%.Oil smoke discharge is the highest Less than 0.95mg/m³

Essence of the present utility model is described in detail by above detailed description of the invention, but can not be to this practicality Novel protection domain limits, it should be apparent that, under enlightenment of the present utility model, the art Those of ordinary skill can also carry out many improvement and modification, it should be noted that these improve and modify all Fall within claims of the present utility model.

Claims

1. a smoke exhaust ventilator, it includes that casing of cooker hood (6), described casing of cooker hood (6) lower end are pump orifice, and upper end is exhaust opening；nullIt is characterized in that，Tank (1) is installed in the position of described pump orifice，Described tank (1) one end is provided with discharge outlet (2)，The other end is provided with water inlet (5)，Several ultrasonic oscillators (4) are installed in described tank (1)，Several ultrasonic oscillators (4) set gradually along discharge outlet (2) to the direction of water inlet (5) in tank (1)，Blower fan (8) is installed in the position of described exhaust opening，Described blower fan (8) one end is air outlet，The other end is air inlet，Described air outlet is connected with exhaust opening by smoke discharging pipe，Spray header (10) is installed in the position of described air inlet，Described spray header (10) is connected by inlet channel water pump，And this water pump is arranged in tank (1)，Described spray header (10) lower section offers several sputterings mouth spray (11)，Described spray header (10) is provided above filter screen (9).

Smoke exhaust ventilator the most according to claim 1, it is characterised in that described spray header (10) both sides are separately installed with dividing plate, and spray header (10) is connected with casing of cooker hood (6) by dividing plate.

Smoke exhaust ventilator the most according to claim 1, it is characterised in that the ultrasonic frequency of described ultrasonic oscillator (4) is more than 2.0MHz.

Smoke exhaust ventilator the most according to claim 3, it is characterised in that the ultrasonic frequency of described ultrasonic oscillator (4) is 2.0MHz.

Smoke exhaust ventilator the most according to claim 1, it is characterised in that described filter screen (9) uses rustless steel steel wire criss-cross weave to form, and the hole of described filter screen (9) is 20-60 molybdenum.

Smoke exhaust ventilator the most according to claim 1, it is characterised in that be additionally provided with gap (3) in described tank (1), the upper end of described gap (3) flushes with the upper edge of tank (1).

Smoke exhaust ventilator the most according to claim 1, it is characterised in that described smoke exhaust ventilator also includes the guidance panel (7) being arranged on casing of cooker hood (6).

8. according to the smoke exhaust ventilator described in claim 1-7 any one claim, it is characterised in that described casing of cooker hood (6) uses stainless-steel sheet to make.