CN107246639A - A kind of water filtration environmental protection cooker hood - Google Patents

Abstract

The present invention provides a kind of water filtration environmental protection cooker hood, the oily filter element at the top of the lower section installation of top exhaust fume collecting hood unit；The lower section of left side exhaust fume collecting hood unit and right side exhaust fume collecting hood unit is detachably symmetrically installed the oily filter element of the oily filter element in left side and right side.Top oil filter element, the oily filter element of the oily filter element in left side and right side are water adsorption filtration unit.Advantage is：Oil smoke first pass around water adsorption cleaning, again after water removal just enter gas passage in, and discharged after being pressurized by smoke exhaust pipe, therefore, oil smoke will not touch oil extraction cigarette channel and impeller of blower completely, thoroughly solve oil smoke and be attached on oil extraction cigarette channel and impeller of blower, so as to cause range hood to be difficult to clean and the technical problem such as fragile；Air after the water filtration environmental protection cooker hood purification provided through the present invention is discharged in external environment, because the air of discharge is clean air, does not result in the pollution to air.

Description

A water filter environment-friendly range hood

technical field

The invention belongs to the technical field of environmental protection, and in particular relates to a range hood with water filtration and environmental protection.

Background technique

The range hood is an indispensable and important equipment for removing oil fumes in every family kitchen. During the use of the range hood, there are mainly the following problems: when the range hood is used for a period of time, the range hood exhaust channel and the fan blades, A lot of oil dirt will adhere. Therefore, on the one hand, the range hood is not easy to clean; on the other hand, the range hood exhaust efficiency is reduced; moreover, a large amount of oil fume is directly discharged into the external atmosphere, which aggravates the pollution of the environment.

Contents of the invention

Aiming at the defects in the prior art, the present invention provides a range hood with water filtration and environmental protection, which can effectively solve the above problems.

The technical scheme that the present invention adopts is as follows:

The invention provides a water filtering and environment-friendly range hood, which comprises a range hood body (1), and a smoke collection hood (2) is installed under the range hood body (1); the smoke collection hood (2) It includes a top fume collection hood unit (2.1) on the top, a left fume collection hood unit (2.2) and a right fume collection hood unit (2.3) symmetrically located on the left and right sides of the top fume collection hood unit (2.1); The top fume collecting hood unit (2.1), the left fume collecting hood unit (2.2) and the right fume collecting hood unit (2.3) integrally form the fume collecting hood (2);

The bottom of the top fume collecting hood unit (2.1) is provided with a first ventilation hole (2.1.1); the inside of the bottom of the top fume collecting hood unit (2.1) is located at the first ventilation hole (2.1.1) above, cover and install the first water filter layer (2.1.2); install the top oil filter unit (3) detachably under the top fume collecting hood unit (2.1); the top oil filter unit (3) includes The top oil filter housing (3.1), the bottom of the top oil filter housing (3.1) is provided with the first water injection hole (3.2) and the first oil discharge hole (3.3), through the first water injection hole (3.2) , inject clean water into the inside of the top oil filter housing (3.1); the bottom of the top oil filter housing (3.1) is also connected to several oil suction pipes (3.4), and the oil suction pipe (3.4) The oil fume inlet is set downward, and the oil fume outlet of the oil suction pipe (3.4) is located below the water level of the clean water injected into the top oil filter housing (3.1);

The left fume collecting hood unit (2.2) and the right fume collecting hood unit (2.3) have a symmetrical structure, and the left fume collecting hood unit (2.2) and the right fume collecting hood unit (2.3) The left oil filter unit (4) and the right oil filter unit (5) can be installed detachably and symmetrically under the ;

For the left smoke hood unit (2.2), a second ventilation hole (2.2.1) is opened at the bottom; the inside of the bottom of the left smoke hood unit (2.2) is located at the second ventilation hole ( 2.2.1), cover and install the second filter layer (2.2.2);

The left oil filter unit (4) includes a left oil filter housing (4.1), and the left oil filter housing (4.1) includes a The filter main tank (4.2) and the filter long side wall (4.3) located on the right side of the left fume collecting hood unit (2.2); wherein, the filter long side wall (4.3) is provided with several oil suction ports ( 4.3.1); there is a gap between the filter long side wall (4.3) and the right side wall of the left fume collecting hood unit (2.2), and the gap forms a closed oil fume delivery channel (4.3.2); the The oil fume delivery channel (4.3.2) communicates with the filter main tank (4.2), and is used to deliver the inhaled oil fume to the filter main tank (4.2);

The bottom of the filter main tank (4.2) is provided with a second water injection hole (4.2.1) and a second oil discharge hole (4.2.2), through the second water injection hole (4.2.1), to the Fill the inside of the filter main tank (4.2) with clean water; the inside of the filter main tank (4.2) is staggered with the first partition (4.2.3) and the second partition (4.2.4) on the right side; , the first partition (4.2.3) is located on the left side of the second partition (4.2.4), passing through the first partition (4.2.3) and the second partition (4.2.4) Divide the interior of the filter main tank (4.2) into three chambers, which are sequentially recorded as the clear water pool (a), the first filter pool (b) and the second chamber according to the direction from left to right. filter tank (c); wherein, the second filter tank (c) is in communication with the oil fume passage (4.3.2), and the oil fume inhaled from the oil fume passage (4.3.2) is absorbed into the first 2. The surface of clear water in the filter tank (c); the first filter tank (b) communicates with the second filter tank (c), and the oil fume after the first filter tank (b) absorbs and filters further enters Adsorption and purification treatment in the second filter tank (c); the clear water tank (a) communicates with the first filter tank (b), and the air further purified by the first filter tank (b) enters to the clear water pool (a); after the clear water pool (a) passes through the second ventilation hole (2.2.1) and the second water filter layer (2.2.2), it is connected to the left smoke collection The hood unit (2.2) is connected, and the purified air enters the left smoke hood unit ( 2.2), and eventually discharged into the external environment.

Preferably, the range hood body (1) includes a first fan (1.1), a second fan (1.2), a third fan (1.3) and a smoke exhaust pipe (1.4); the range hood body (1) The top center of the top is connected to the exhaust pipe (1.4); the first fan (1.1) is located in the upper space of the top smoke hood unit (2.1); the second fan (1.2) and the third The fan (1.3) is respectively located in the upper space of the left fume collecting hood unit (2.2) and the right fume collecting hood unit (2.3).

Preferably, the detachable installation of the top oil filter unit (3) under the top fume collection hood unit (2.1) means: the top fume collection hood unit (2.1) is provided with a concave socket; The filter unit (3) is provided with a convex socket; through the matching between the concave socket and the convex socket, detachable installation is realized;

The detachable installation of the left oil filter unit (4) under the left smoke hood unit (2.2) means: the left smoke hood unit (2.2) is provided with a concave socket; the left oil filter The filter unit (4) is provided with a convex socket; through the matching between the concave socket and the convex socket, detachable installation is realized.

Preferably, the bottom of the first partition (4.2.3) is fixed to the bottom wall of the filter main tank (4.2), and the top of the first partition (4.2.3) is connected to the left The bottom of the smoke hood unit (2.2) has a gap; and, the first partition (4.2.3) has a water hole; the top of the second partition (4.2.4) is suspended from the left set The bottom of the fume hood unit (2.2), the bottom of the second partition (4.2.4) and the bottom wall of the filter main tank (4.2) have an interval.

Preferably, fiber filter nets are installed on the outer sides of the several oil suction fume openings (4.3.1) opened by the filter long side wall (4.3).

Preferably, the oil suction pipe (3.4) is designed in an S-shaped shape.

Preferably, the first water filtration layer (2.1.2) and the second water filtration layer (2.2.2) are water filtration sponges.

Preferably, it also includes a control unit, the control unit includes a main control module and a sensing module connected to the main control module, a display module and a control panel (6); the main control module is also connected to the first fan (1.1), the second fan (1.2) and the third fan (1.3); wherein, the sensing module includes the top oil filter unit (3), the left oil filter unit (4) and the Level gauge inside the right oil filter unit (5).

The water filtering and environment-friendly range hood provided by the present invention has the following advantages:

(1) The oily fumes are first purified by water adsorption, and then dewatered before entering the gas channel, and then discharged from the exhaust pipe after being pressurized. Therefore, the oily fume will not touch the oil fume exhaust channel and fan blades at all, completely solving the problem The oil fume adheres to the oil fume exhaust channel and the fan blade, which leads to technical problems such as difficult cleaning and easy damage of the range hood;

(2) The air purified by the water-filtering environment-friendly range hood provided by the present invention is discharged into the external environment, because the discharged air is clean air and will not cause pollution to the atmosphere.

(3) The present invention adopts the method of purifying oil fume by water adsorption, which has the advantage of high oil fume purification efficiency.

Description of drawings

Fig. 1 is a schematic structural view of a water filtration environment-friendly range hood provided by the present invention without adding reference signs;

Fig. 2 is a schematic structural view of a water filtration environment-friendly range hood provided by the present invention when reference signs are added;

FIG. 3 is a schematic view on the left side of FIG. 1 .

detailed description

In order to make the technical problems, technical solutions and beneficial effects solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

The invention provides a water-filtering environment-friendly range hood, which can effectively solve the technical problems in the prior art that oil fume is easy to adhere to the range hood and the fan blades, making the range hood difficult to clean and easy to damage, and the problem of emission pollution. . Referring to Figures 1-3, the water-filtering environment-friendly range hood includes a range hood body 1, and the range hood body 1 includes at least one fan and a smoke exhaust pipe 1.4. In the accompanying drawings of the present invention, 3 blowers are arranged altogether, are respectively the 1st blower fan 1.1, the 2nd blower blower 1.2 and the 3rd blower blower 1.3; Piping that ultimately discharges to the external environment. A fume collecting hood 2 is installed under the range hood body 1; the fume collecting hood 2 includes a top fume collecting hood unit 2.1 on the top and a left fume collecting hood unit 2.2 and a right side symmetrically located on the left and right sides of the top fume collecting hood unit 2.1. Side smoke collection hood unit 2.3; top smoke collection hood unit 2.1, left side smoke collection hood unit 2.2 and right side smoke collection hood unit 2.3 integrally formed smoke collection hood 2; in the drawings of the present invention, the first fan 1.1 is located at the top collection The upper space of the smoke hood unit 2.1; the second fan 1.2 and the third fan 1.3 are respectively located in the upper space of the left smoke collecting hood unit 2.2 and the right smoke collecting hood unit 2.3.

In the present invention, for the top fume collecting hood unit 2.1, the left fume collecting hood unit 2.2 and the right fume collecting hood unit 2.3, a set of oil filter units are independently configured to filter the oil fume generated by the stove, so that The water absorbs the soot particles in the air to purify the air, and then the purified air enters the range hood body. Since the purified air enters the range hood body, it will not affect the range hood body. The fan inside will cause pollution, and it will not pollute the external environment.

The following is a detailed introduction to the top oil filter unit, left oil filter unit and right oil filter unit:

(1) Top oil filter unit

The bottom of the top smoke collection hood unit 2.1 is provided with a first ventilation hole 2.1.1; the bottom inside of the top smoke collection hood unit 2.1 is located above the first ventilation hole 2.1.1, covering and installing the first water filter layer 2.1.2, For example, filter sponges.

The top oil filter unit 3 is detachably installed under the top smoke collection hood unit 2.1; here, the detachable installation can be specifically: the top smoke collection hood unit 2.1 is provided with a concave socket; the top oil filter unit 3 is provided with a convex socket Socket; detachable installation is realized by matching between the female socket and the male socket.

The top oil filter unit 3 includes a top oil filter housing 3.1, and the bottom of the top oil filter housing 3.1 is provided with a first water injection hole 3.2 and a first oil discharge hole 3.3, through the first water injection hole 3.2, to the top oil filter housing 3.1 Inject clean water into the inside; the purpose of the first oil drain hole is: when the oil absorbed in the top oil filter housing exceeds a certain liquid level, the water floating in the grease will be discharged through the first oil drain hole to achieve the purpose of replacing clean water. The bottom of the top oil filter housing 3.1 is also connected with several oil suction pipes 3.4, the oil inlet of the oil suction pipe 3.4 is set downward, and the oil exhaust port of the oil suction pipe 3.4 is located at the top of the top oil filter housing 3.1. Below the water level; in practical application, the oil suction pipe 3.4 is designed in an S-shaped shape.

The working principle of the top oil filter unit is as follows: the oil fume generated by the cooktop flows upwards, first enters the clean water in the top oil filter shell through the oil suction pipe 3.4, and is purified by the clean water to obtain clean air; then further upwards through the first filter After the water layer is dewatered, the clean and dry air finally enters the inside of the top fume collecting hood unit, and finally exhausts to the outside through the smoke exhaust pipe 1.4.

(2) Left oil filter unit and right oil filter unit

The left side fume collecting hood unit 2.2 and the right side fume collecting hood unit 2.3 are symmetrical structures, and the bottom of the left side fume collecting hood unit 2.2 and the right side fume collecting hood unit 2.3 can be detachably and symmetrically installed with the left oil filter unit 4 and the right oil filter unit 4. The filter unit 5; the detachable installation here is as follows: taking the left smoke collecting hood unit 2.2 as an example, the left smoke collecting hood unit 2.2 is provided with a concave socket; the left oil filter unit 4 is provided with a convex socket; through The matching between the concave socket and the male socket realizes detachable installation.

Since the left oil filter unit 4 and the right oil filter unit 5 are completely symmetrical structures, the present invention only takes the left oil filter unit 4 as an example for introduction:

For the left fume collecting hood unit 2.2, the bottom is provided with a second ventilation hole 2.2.1; the inside of the bottom of the left fume collecting hood unit 2.2 is located above the second ventilation hole 2.2.1, covering and installing the second water filter layer 2.2.2, eg, water filter sponges.

For the left oil filter unit 4, it includes the left oil filter housing 4.1, the left oil filter housing 4.1 includes the filter main tank 4.2 located directly below the left smoke hood unit 2.2 and the filter main tank body 4.2 located at the left smoke hood unit 2.2 The filter long side wall 4.3 on the right side; among them, the filter long side wall 4.3 is provided with several oil suction fume ports 4.3.1; the outer sides of several oil suction fume ports 4.3.1 are installed with fiber filter nets, which can preliminarily filter the oil fume molecules There is a gap between the filter long side wall 4.3 and the right side wall of the left fume collecting hood unit 2.2, and the gap forms a closed oil fume passage 4.3.2; the oil fume passage 4.3.2 communicates with the filter main tank body 4.2, with It is used to deliver the inhaled oil fume to the filter main tank body 4.2;

The bottom of the filter main tank body 4.2 is provided with a second water injection hole 4.2.1 and a second oil discharge hole 4.2.2, through the second water injection hole 4.2.1, inject clean water into the interior of the filter main tank body 4.2; the filter main tank body Inside 4.2, the first partition 4.2.3 and the second partition 4.2.4 are arranged alternately on the right side; wherein, the first partition 4.2.3 is located on the left side of the second partition 4.2.4, passing through the first partition The separation function of the plate 4.2.3 and the second partition 4.2.4 divides the interior of the filter main tank 4.2 into three chambers, which are recorded as the clear water pool a and the first filter pool in sequence from left to right b and the second filter tank c; wherein, the second filter tank c communicates with the oil fume passage 4.3.2, and the oil fume inhaled from the oil fume channel 4.3.2 is absorbed into the clean water surface in the second filter tank c; the first filter Pool b is connected to the second filter pool c, and the oil fume after the adsorption and filtration by the first filter pool b further enters the second filter pool c for adsorption and purification treatment; the clear water pool a is connected to the first filter pool b, and is filtered by the first filter pool The further purified air from pool b enters into clear water pool a; after clear water pool a passes through the second ventilation hole 2.2.1 and the second water filter layer 2.2.2, it communicates with the left smoke collecting hood unit 2.2, and the purified air enters After passing through the second ventilation hole 2.2.1 and the second water filter layer 2.2.2, it enters the left smoke collecting hood unit 2.2, and finally discharges into the external environment.

In order to improve the oil removal effect, the first partition 4.2.3 and the second partition 4.2.4 adopt the following staggered arrangement: the bottom of the first partition 4.2.3 is fixed on the bottom wall of the filter main tank 4.2, and the first partition There is an interval between the top of 4.2.3 and the bottom of the left smoke hood unit 2.2; and, the first partition 4.2.3 is provided with water holes; the top of the second partition 4.2.4 is suspended from the left smoke hood unit There is an interval between the bottom of 2.2, the bottom of the second partition 4.2.4 and the bottom wall of the filter main tank 4.2.

In the present invention, the left oil filter unit and the top oil filter unit have different designs, the reason is: because the fume collecting hood 2 is covered above the cooktop, under the action of the fan, the oil fume produced by the cooktop gathers into a ball Then it flows upwards. On the one hand, the oil fume is inhaled and purified by the top oil filter unit; on the other hand, the oil fume is inhaled and purified by the left or right side oil filter unit. Due to the different directions of oil fume inhalation, it is determined that the left oil filter unit and the top oil filter unit have different designs.

The working principle of the oil filter unit on the left side is: the oil fume generated by the cooktop flows upwards, and after firstly filtered through the fiber filter, it is sucked into the oil fume delivery channel 4.3.2 through the oil suction port 4.3.1, and then further inhaled The clear water in the second filter tank c is subjected to secondary filtration by the clean water in the second filter tank c, absorbing and filtering out large particles of soot molecules; then, the air after the secondary filtration is sucked into the first filter tank b, and is The clear water in the first filter tank b is filtered in three stages, absorbing and filtering out small particles of oil fume molecules, thereby obtaining clean air; the clean air passes upward through the second ventilation hole 2.2.1 and then enters the second water filter layer 2.2.2 , after dewatering by the second water filter layer 2.2.2, the clean and dry air finally enters the inside of the left oil filter unit, and finally exhausts to the outside through the smoke exhaust pipe 1.4.

It also includes a control unit, the control unit includes a main control module and a sensing module connected to the main control module, a display module and a control panel 6; the main control module is also connected to the first fan 1.1, the second fan 1.2 and the third fan 1.3 ; Wherein, the sensing module includes liquid level gauges installed in the top oil filter unit 3, the left side oil filter unit 4 and the right side oil filter unit 5, respectively, for collecting the liquid level value of the liquid in the oil filter unit, and The liquid level value is transmitted to the main control module, and the main control module controls the start-stop and speed of the fan according to the preset threshold range; and displays the current oil quantity and maintenance status. When the liquid level accumulated in the filter unit reaches the set value, the operation panel will give an alarm prompt, and the waste oil will be discharged by opening the oil discharge hole.

The following introduces a specific method of using the water filter environment-friendly range hood:

(1) Before starting the fan, install the top oil filter unit, the left oil filter unit and the right oil filter unit on the top, left and right sides of the fume collecting hood respectively, and the specific connection method is the buckle between the socket and the socket connect;

(2) Add water to the top oil filter unit, the left oil filter unit and the right oil filter unit respectively through the water injection holes. The water level will be displayed on the operation panel at any time. When the set level is reached, it will prompt to stop adding water. Water injection; at this time, the motor can be started, and using the principle of siphon, the oil fume is adsorbed and purified through the clear water in the top oil filter unit, left oil filter unit and right oil filter unit respectively. Since the air purified by water adsorption is humid air, In order to prevent adverse effects on the fan, the wet air first passes through the water filter sponge to remove water, and then the dry air enters the gas channel and is discharged from the exhaust pipe after being pressurized.

It can be seen that the water filtering and environment-friendly range hood provided by the present invention has the following advantages:

(1) The oily fumes are first purified by water adsorption, and then dewatered before entering the gas channel, and then discharged from the exhaust pipe after being pressurized. Therefore, the oily fume will not touch the oil fume exhaust channel and fan blades at all, completely solving the problem The oil fume adheres to the oil fume exhaust channel and the fan blade, which leads to technical problems such as difficult cleaning and easy damage of the range hood;

(2) The air purified by the water-filtering environment-friendly range hood provided by the present invention is discharged into the external environment, because the discharged air is clean air and will not cause pollution to the atmosphere.

(3) The present invention adopts the method of purifying oil fume by water adsorption, which has the advantage of high oil fume purification efficiency.

The above is only a preferred embodiment of the present invention, it should be pointed out that, for those of ordinary skill in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, and these improvements and modifications can also be made. It should be regarded as the protection scope of the present invention.

Claims (8)

1. a kind of water filtration environmental protection cooker hood, it is characterised in that including range hood body（1）, the range hood sheet Body（1）Lower section exhaust fume collecting hood is installed（2）；The exhaust fume collecting hood（2）Including the top exhaust fume collecting hood unit positioned at top（2.1）And It is symmetrically positioned in the top exhaust fume collecting hood unit（2.1）The left side exhaust fume collecting hood unit of the left and right sides（2.2）With right side exhaust fume collecting hood unit （2.3）；The top exhaust fume collecting hood unit（2.1）, the left side exhaust fume collecting hood unit（2.2）With the right side exhaust fume collecting hood unit （2.3）The integrally formed exhaust fume collecting hood（2）；

The top exhaust fume collecting hood unit（2.1）Bottom offer the 1st air vent（2.1.1）；The top exhaust fume collecting hood unit （2.1）Bottom inside and positioned at the 1st air vent（2.1.1）Above, the 1st drainage layer is installed in covering（2.1.2）；Institute State top exhaust fume collecting hood unit（2.1）Lower section the oily filter element in top is detachably installed（3）；The oily filter element in the top（3） Including the oily filtrate housing in top（3.1）, the oily filtrate housing in the top（3.1）Bottom offer the 1st water injection hole（3.2）With 1 outage（3.3）, pass through the 1st water injection hole（3.2）, to the oily filtrate housing in the top（3.1）Inside injected clear water； The oily filtrate housing in the top（3.1）Bottom be also communicated with several oil suction smoke pipes（3.4）, the oil suction smoke pipe（3.4）'s Oil-feed mouth is set down, the oil suction smoke pipe（3.4）Oil extraction mouth be located at the oily filtrate housing in the top（3.1）Injected Clear water water level below；

The left side exhaust fume collecting hood unit（2.2）With the right side exhaust fume collecting hood unit（2.3）For symmetrical structure, the left side exhaust fume collecting hood Unit（2.2）With the right side exhaust fume collecting hood unit（2.3）Lower section be detachably symmetrically installed the oily filter element in left side（4）And right side Oily filter element（5）；

For the left side exhaust fume collecting hood unit（2.2）, its bottom offers the 2nd air vent（2.2.1）；The left side exhaust fume collecting hood list Member（2.2）Bottom inside and positioned at the 2nd air vent（2.2.1）Above, the 2nd drainage layer is installed in covering（2.2.2）；

For the oily filter element in the left side（4）, including the oily filtrate housing in left side（4.1）, the oily filtrate housing in the left side（4.1） Including positioned at the left side exhaust fume collecting hood unit（2.2）The filtering major trough body of underface（4.2）And positioned at the left side exhaust fume collecting hood Unit（2.2）The long side wall of filtering on right side（4.3）；Wherein, the long side wall of filtering（4.3）Offer several oil suction mouths （4.3.1）；The long side wall of filtering（4.3）With the left side exhaust fume collecting hood unit（2.2）Right side wall between have gap, should between The oil transportation cigarette channel of gap formation closing（4.3.2）；The oil transportation cigarette channel（4.3.2）With the filtering major trough body（4.2）Connection, For to the filtering major trough body（4.2）Convey the oil smoke of suction；

The filtering major trough body（4.2）Bottom offer the 2nd water injection hole（4.2.1）With the 2nd outage（4.2.2）, by institute State the 2nd water injection hole（4.2.1）, to the filtering major trough body（4.2）Inside injected clear water；The filtering major trough body（4.2）'s Inside is staggeredly equipped with the 1st dividing plate on the right side（4.2.3）With the 2nd dividing plate（4.2.4）；Wherein, the 1st dividing plate（4.2.3）Position In the 2nd dividing plate（4.2.4）Left side, pass through the 1st dividing plate（4.2.3）With the 2nd dividing plate（4.2.4）Compartmentation, By the filtering major trough body（4.2）Inside be divided into three chambers, by direction from left to right, clear water reserviors are designated as successively（a）、 1st filtering ponds（b）With the 2nd filtering ponds（c）；Wherein, the 2nd filtering ponds（c）With the oil transportation cigarette channel（4.3.2）Connection, From the oil transportation cigarette channel（4.3.2）The oil smoke of suction is absorbed into the 2nd filtering ponds（c）Interior clear water surface；Described 1st Filtering ponds（b）With the 2nd filtering ponds（c）Connection, through the 1st filtering ponds（b）Oil smoke after adsorption filtration, is traveled further into To the 2nd filtering ponds（c）Middle adsorption cleaning processing；The clear water reserviors（a）With the 1st filtering ponds（b）Connection, through described the 1 filtering ponds（b）Further the air after purification enters the clear water reserviors（a）；The clear water reserviors（a）Pass through the described 2nd ventilation Hole（2.2.1）With the 2nd drainage layer（2.2.2）Afterwards, with the left side exhaust fume collecting hood unit（2.2）Connection, the air after purification Enter through the 2nd air vent（2.2.1）With the 2nd drainage layer（2.2.2）Afterwards, the left side exhaust fume collecting hood unit is entered （2.2）, external environment condition is finally discharged into again.

2. water filtration environmental protection cooker hood according to claim 1, it is characterised in that the range hood body（1） Including the 1st blower fan（1.1）, the 2nd blower fan（1.2）, the 3rd blower fan（1.3）And smoke exhaust pipe（1.4）；The range hood body（1）'s Top center connects the smoke exhaust pipe（1.4）；1st blower fan（1.1）Positioned at the top exhaust fume collecting hood unit（2.1）'s Upper space；2nd blower fan（1.2）With the 3rd blower fan（1.3）It is located at the left side exhaust fume collecting hood unit respectively（2.2）With The right side exhaust fume collecting hood unit（2.3）Upper space.

3. water filtration environmental protection cooker hood according to claim 1, it is characterised in that in the top exhaust fume collecting hood unit （2.1）Lower section the oily filter element in top is detachably installed（3）Refer to：The top exhaust fume collecting hood unit（2.1）It is provided with spill Bellmouth；The oily filter element in the top（3）It is provided with convex socket；It is real by the matching between spill bellmouth and convex socket It is now detachable to install；

The left side exhaust fume collecting hood unit（2.2）Lower section the oily filter element in left side is detachably installed（4）Refer to：The left side collection cigarette Cover unit（2.2）It is provided with spill bellmouth；The oily filter element in the left side（4）It is provided with convex socket；By spill bellmouth and Matching between convex socket, realizes detachable install.

4. water filtration environmental protection cooker hood according to claim 1, it is characterised in that the 1st dividing plate（4.2.3）'s The filtering major trough body is fixed in bottom（4.2）Bottom wall, the 1st dividing plate（4.2.3）Top and the left side exhaust fume collecting hood Unit（2.2）Bottom have interval；Also, the 1st dividing plate（4.2.3）Offer water hole；2nd dividing plate （4.2.4）Top hang on the left side exhaust fume collecting hood unit（2.2）Bottom, the 2nd dividing plate（4.2.4）Bottom and institute State filtering major trough body（4.2）Bottom wall have interval.

5. water filtration environmental protection cooker hood according to claim 1, it is characterised in that the long side wall of filtering（4.3） Several oil suction mouths opened up（4.3.1）Outside fibrous filter net is installed.

6. water filtration environmental protection cooker hood according to claim 1, it is characterised in that the oil suction smoke pipe（3.4）Adopt Designed with the curved shapes of S.

7. water filtration environmental protection cooker hood according to claim 1, it is characterised in that the 1st drainage layer（2.1.2） With the 2nd drainage layer（2.2.2）For drainage sponge.

8. water filtration environmental protection cooker hood according to claim 2, it is characterised in that described also including control unit Control unit includes main control module and is respectively connected to the sensing module, display module and control panel of main control module（6）；It is described Main control module also accesses the 1st blower fan（1.1）, the 2nd blower fan（1.2）With the 3rd blower fan（1.3）；Wherein, it is described to pass Sense module includes being respectively arranged in the oily filter element in top（3）, the oily filter element in left side（4）With the oily filter element in right side（5）It is interior The liquid level gauge in portion.