CN213725607U

CN213725607U - A filter equipment for lampblack absorber

Info

Publication number: CN213725607U
Application number: CN202022507857.6U
Authority: CN
Inventors: 席伟钦; 刘琦; 陈康; 余旭宇
Original assignee: Jiangsu Sihong Middle School
Current assignee: Jiangsu Sihong Middle School
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-07-20
Anticipated expiration: 2030-11-03

Abstract

A filtering device for a range hood comprises an oil pumping fan arranged on a shell of the range hood, wherein an oil collecting tank is arranged at an air inlet of the oil pumping fan, and an air outlet of the oil pumping fan is connected with an air outlet pipeline communicated with an outer chamber; a condensing device communicated with the water tank is arranged between the air inlet of the oil pumping fan and the oil collecting tank, the condensing device comprises a condensing pipe communicated with the water tank, a water inlet and a water outlet of the condensing pipe are both connected with the water tank, a submersible pump is connected to the water inlet of the condensing pipe, and the submersible pump is placed in the water tank; an oil collecting chamber is arranged in the middle of the air outlet pipeline, and the air outlet pipeline is connected with a smoke exhaust pipe communicated to the outside after passing through the oil collecting chamber; and a filtering device is arranged in the oil collecting chamber. The utility model discloses a condensing equipment and filter equipment handle the oil smoke, and the clean gas of discharge can reduce the environmental pollution problem that the oil smoke brought better to the air in, reduces air pollution.

Description

A filter equipment for lampblack absorber

Technical Field

The utility model relates to a lampblack absorber technical field, concretely relates to a filter equipment for lampblack absorber.

Background

It is reported that: in many big cities in China, complaints of residents about oil smoke pollution of the catering industry account for more than 40 percent of complaints about environmental pollution. Dietary smoke contains many harmful components, many of which are mutagenic and carcinogenic substances. Research shows that cooking fume contains at least more than 200 chemical components. The incidence rate of lung cancer is closely related to the oil fume emission of a kitchen, and if the factor of cooking oil fume is eliminated, the incidence rate of lung cancer can be reduced by half.

The existing smoke exhaust ventilator or smoke exhaust ventilator has the following oil smoke treatment processes: the oil smoke gas enters the air duct of the range hood after passing through the oil screen, the rotation of the turbine separates the oil smoke from the oil smoke gas, the oil smoke in the air cabinet is acted by centrifugal force, the oil mist is condensed into oil drops, the oil drops are collected into an oil cup through an oil way, and the purified smoke is finally discharged along a fixed passage. The smoke after being treated by the oil fume treatment method still causes certain pollution to the environment.

Disclosure of Invention

Aiming at the technical problem, the technical scheme provides the filtering device for the range hood, and the problem can be effectively solved.

The utility model discloses a following technical scheme realizes:

a filtering device for a range hood comprises an oil pumping fan arranged on a shell of the range hood, wherein an oil collecting tank is arranged at an air inlet of the oil pumping fan, and an air outlet of the oil pumping fan is connected with an air outlet pipeline communicated with an outer chamber; a condensing device communicated with the water tank is arranged between the air inlet of the oil pumping fan and the oil collecting tank, the condensing device comprises a condensing pipe, and the water inlet and the water outlet of the condensing pipe are both communicated with the water tank; an oil collecting chamber is arranged in the middle of the air outlet pipeline, and the air outlet pipeline is connected with a smoke exhaust pipe communicated to the outside after passing through the oil collecting chamber; and a filtering device is arranged in the oil collecting chamber.

Furthermore, the condensation pipe adopts a heat pipe, and the starting end and the tail end of the condensation pipe are communicated and sealed; the starting end and the tail end of the heat pipe are arranged in the water tank and are contacted with the cooling liquid.

Furthermore, the condenser pipe comprises a submersible pump arranged in the water tank, a water outlet of the submersible pump is communicated with a water inlet of the condenser pipe, and a water outlet of the condenser pipe is connected with the water tank.

Furthermore, the condenser pipe is an integral single or multiple water pipes which are continuously bent into an inverted cone shape, namely the condenser pipe is distributed in a manner of large upper opening and small lower opening in a row; the condensing pipe arranged at the inverted cone-shaped upper opening is detachably arranged on the shell of the fan or the inner side of the filter screen of the range hood through a connecting piece.

Furthermore, the condenser pipe arranged at the lower opening of the inverted cone is limited and fixed through a fixing ring, and the fixing ring is detachably connected with the oil collecting tank through a connecting piece.

Further, the condenser pipe adopt the design pipeline to fold into squarely in succession, perhaps adopt the design pipeline to set into the heliciform.

Furthermore, the upper portion of water tank is provided with the water filling port, and the bottom of water tank is connected with the drain pipe, installs the drain valve on the drain pipe.

Furthermore, the filtering device comprises a detachable drawing box arranged in the oil collecting chamber, and an oil absorption cotton arranged on the side wall of the drawing box and opposite to the air outlet of the air outlet pipeline.

Furthermore, the oil absorption cotton can be detachably fixed on the side wall of the drawing box, and is spaced from the air outlet of the air outlet pipeline by 2-5 cm.

Furthermore, the oil absorption cotton can be made of honeycomb active carbon materials, or polypropylene adsorption cotton, or PCB oil absorption cotton, or oil absorption cotton made of other adsorption materials.

Furthermore, a cover plate is arranged at the top of the oil collecting chamber, a smoke exhaust pipe connector is arranged on the cover plate, and the smoke exhaust pipe connector is connected with a smoke exhaust pipe communicated to the outside.

Further, the oil collecting chamber and the water tank are arranged inside the range hood and are arranged adjacently.

Advantageous effects

The utility model provides a filter equipment for lampblack absorber, compare with prior art, it has following beneficial effect:

(1) according to the technical scheme, the oil fume in a kitchen is firstly filtered by the condenser part for one time, and partial grease in the oil fume is liquefied or solidified when meeting the condenser pipe, so that the oil fume is adsorbed on the condenser pipe and is dripped into the oil collecting tank; then the oil fume is filtered for the second time by the oil absorption cotton in the oil collecting chamber, and the oil fume discharged from the air outlet pipeline is absorbed by the oil absorption cotton; then the oil collecting chamber is indirectly cooled through the water tank, so that the oil smoke after secondary filtration is further liquefied or solidified when meeting cold air when being discharged into the oil collecting chamber, and the oil smoke is precipitated and filtered for the third time; finally, discharging the oil smoke; purifying the grease in the oil smoke and reducing the grease to be discharged into the air.

(2) According to the technical scheme, the condenser pipe is arranged to be in an inverted cone shape, and the liquid flows into the oil collecting tank along the condenser pipe due to the characteristic of the liquid, so that the grease on the condenser pipe can be conveniently collected; and the detachable oil absorption paper wrapped on the condensation pipe is convenient to detach and replace, the cleanness of the condensation pipe is effectively kept, and the cleaning times and replacement rate of the condensation pipe are reduced.

(3) The arrangement of the submersible pump in the technical scheme increases the pressure for the condenser pipe; when the lampblack absorber starts, the immersible pump also starts simultaneously, supply cooling liquid in the condenser pipe from the inlet tube beginning, cooling liquid in the condenser pipe gets back to the water tank from the delivery port again, make cooling liquid in the condenser pipe and the continuous circulation change of cooling liquid in the water tank, let cooling liquid in the condenser pipe remain microthermal state throughout, the condenser pipe of being convenient for can be continuous gives the oil smoke cooling, let the grease cooling in the oil smoke, condense to the condenser pipe on, filter for the air that has the oil smoke, reduce the discharge amount of grease.

(4) The detachable oil absorption that sets up is cotton among this technical scheme, is convenient for it to be changed. The oil absorption cotton is arranged at the position which is 2-5 cm away from the air outlet of the air outlet pipeline, so that the smoothness of the air outlet pipeline can be effectively kept; when the range hood is started, the pressure of the centrifugal fan to the oil smoke can enable the oil smoke in the air outlet pipeline to be sprayed to the oil absorption cotton, and the oil absorption cotton filters the oil smoke sprayed out of the air outlet pipeline for the second time and then enters the oil collecting chamber.

(5) The detachable drawing box arranged in the oil collecting chamber in the technical scheme is convenient for drawing the drawing box out to pour out the waste oil and clean the waste oil. The oil collecting chamber is adjacent to the water tank, and cold water is filled in the water tank, so that the overall temperature of the cold water can reduce the temperature of the oil collecting chamber or slow down the temperature rise speed of the oil collecting chamber; the oil smoke is discharged into the oil collecting chamber and then cooled again, so that the grease in the oil smoke is further cooled and solidified and falls into the drawing box of the oil collecting chamber.

Drawings

Fig. 1 is an overall structure diagram of the present invention.

Fig. 2 is a schematic diagram of the square-shaped structure of the condenser tube of the present invention.

Fig. 3 is a schematic view of the spiral structure of the condenser tube of the present invention.

Fig. 4 is a schematic structural diagram of the heat pipe adopted by the condenser pipe of the present invention.

Reference symbols in the drawings: 1-oil pumping fan, 11-air draft blade, 12-cover plate, 13-motor, 14-air outlet, 2-oil collecting tank, 21-fixing ring, 3-air outlet pipeline, 4-drawing box, 5-oil absorption cotton, 6-water tank, 7-submersible pump and 8-condenser pipe.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The described embodiments are only some, but not all embodiments of the invention. Under the prerequisite that does not deviate from the design concept of the utility model, the ordinary person in the art should fall into the protection scope of the utility model to the various changes and improvements that the technical scheme of the utility model made.

Example 1:

as shown in fig. 1, a filtering device for a range hood comprises an oil pumping fan 1 arranged in a shell of the range hood, an oil collecting tank 2 is arranged at an air inlet of the oil pumping fan 1, and an air outlet pipeline 3 communicated with an outer chamber is connected at an air outlet 14 of the oil pumping fan 1; a condensing device communicated with the water tank 6 is arranged between the air inlet of the oil pumping fan 1 and the oil collecting tank 2; an oil collecting chamber is arranged in the middle of the air outlet pipeline 3, and the air outlet pipeline 3 is connected with a smoke exhaust pipe communicated to the outside after passing through the oil collecting chamber; and a filtering device is arranged in the oil collecting chamber.

An oil pumping fan 1 is arranged in the range hood; namely, a centrifugal fan used for oil smoke extraction is installed at the bottom of the casing, the centrifugal fan comprises an air draft blade 11 arranged on the lower side and a cover plate 12 arranged on the upper side of the air draft blade 11, and a motor 13 driven by the air draft blade 11 is arranged on the upper side of the cover plate 12.

A condensing pipe 8 connected with the centrifugal fan is arranged at the air inlet of the centrifugal fan; the condenser pipe 8 is a single or a plurality of water pipes which are integrated and continuously bent into an inverted cone shape, namely, the condenser pipe 8 is arranged in a row in a mode that the upper opening is large and the lower opening is small. The device adopts a shaped pipeline to be continuously folded into a square shape, or adopts a shaped pipeline to be arranged into a spiral shape.

The condenser pipe 8 arranged at the inverted cone-shaped upper opening can be fixed on the shell of the fan through a buckle or a connecting piece, and the further fixing effect is achieved. The condenser pipe 8 that sets up in back taper lower port department passes through retainer plate 21 spacing fixed, and the outside of retainer plate 21 is connected with through linking up the device (like modes such as screw thread, buckle or locking device) and can dismantle and be connected with oil trap 2.

The condensing device comprises a submersible pump 7 arranged in the water tank 6, the water outlet of the submersible pump 7 is connected with a condenser pipe 8, and the water outlet of the condenser pipe 8 is connected with the water tank 6. When the lampblack absorber starts, immersible pump 7 also starts simultaneously, supply water in the condenser pipe 8 from the inlet tube beginning, water in the condenser pipe 8 gets back to in the water tank 6 from the delivery port again, make the continuous circulation of hydroenergy in water and the water tank 6 in the condenser pipe 8 change, let the water in the condenser pipe 8 remain microthermal state throughout, the condenser pipe 8 of being convenient for can be continuous gives the oil smoke cooling, let the grease cooling in the oil smoke, condense to on the condenser pipe 8, filter for the air that has the oil smoke, reduce the discharge amount of grease.

A water filling port is arranged at the upper part of the water tank 6, the bottom of the water tank 6 is connected with a drain pipe, and a drain valve is arranged on the drain pipe; facilitating the cleaning of the water tank or replacing water for the water tank.

An air outlet pipeline 3 is fixedly arranged at an air outlet 14 of the centrifugal fan, the air outlet pipeline 3 is communicated with an oil collecting chamber, and a detachable drawing box 4 is arranged in the oil collecting chamber, so that the centrifugal fan can be conveniently drawn out to pour out waste oil and clean the waste oil.

The oil absorption cotton 5 is arranged on the side wall of the drawing box 4 at the air outlet of the air outlet pipeline 3, and the oil absorption cotton 5 is detachably fixed on the side wall of the oil collecting chamber and is spaced from the air outlet of the air outlet pipeline by 2-5 cm; when the range hood is started, the pressure of the centrifugal fan to the oil smoke can enable the oil smoke in the air outlet pipeline 3 to be sprayed to the oil absorption cotton 5, and the oil absorption cotton 5 filters the oil smoke sprayed out of the air outlet pipeline 3 for the second time and then enters the oil collecting chamber. The oil absorption cotton 5 can be made of honeycomb active carbon material, or polypropylene absorption cotton, or PCB oil absorption cotton, or oil absorption cotton made of other absorption materials.

Because the oil collecting chamber is adjacent to the water tank 6, and the water tank 6 is filled with cold water, the overall temperature of the cold water can reduce the temperature of the oil collecting chamber or slow down the temperature rise speed of the oil collecting chamber; the oil smoke is discharged into the oil collecting chamber and then cooled again, so that the grease in the oil smoke is further cooled and solidified and falls into the drawing box 4 of the oil collecting chamber.

A cover plate is arranged at the top of the oil collecting chamber, a smoke exhaust pipe interface is arranged on the cover plate, and the smoke exhaust pipe interface is connected with a smoke exhaust pipe communicated to the outside; communicating with the outer chamber.

Claims

1. A filtering device for a range hood comprises an oil pumping fan (1) arranged in a shell of the range hood, wherein an oil collecting tank (2) is arranged at an air inlet of the oil pumping fan (1), and an air outlet (14) of the oil pumping fan (1) is connected with an air outlet pipeline (3) communicated with an outer chamber; the method is characterized in that: a condensing device communicated with the water tank (6) is arranged between the air inlet of the oil pumping fan (1) and the oil collecting tank (2), the condensing device comprises a condensing pipe, and the water inlet and the water outlet of the condensing pipe are both communicated with the water tank (6); an oil collecting chamber is arranged in the middle of the air outlet pipeline (3), and the air outlet pipeline (3) is connected with an outdoor smoke exhaust pipe after passing through the oil collecting chamber; and a filtering device is arranged in the oil collecting chamber.

2. A filtering device for a kitchen ventilator according to claim 1, characterized in that: the condensing pipe (8) adopts a heat pipe, and the starting end and the tail end of the condensing pipe are communicated and sealed; the starting end and the tail end of the heat pipe are arranged in the water tank and are contacted with the cooling liquid.

3. A filtering device for a kitchen ventilator according to claim 1, characterized in that: condenser pipe (8) including setting up immersible pump (7) in water tank (6), the delivery port of immersible pump (7) and the water inlet intercommunication of condenser pipe (8), the delivery port and the water tank (6) of condenser pipe (8) are connected.

4. A filtering device for a kitchen ventilator according to claim 1, characterized in that: condenser pipe (8) adopt the design formula pipeline to fold into squarely in succession, perhaps adopt the design formula pipeline to set to the heliciform.

5. A filtering device for a kitchen ventilator according to any one of claims 1-4, characterized in that: the condenser pipe (8) is a single or a plurality of water pipes which are integrated and are continuously bent into an inverted cone shape, namely the condenser pipe is distributed in a manner that the upper opening is large and the lower opening is small; the condensation pipe (8) arranged at the inverted cone-shaped upper opening is detachably arranged on the shell of the fan or the inner side of the filter screen of the range hood through a connecting piece; the condenser pipe (8) arranged at the lower opening of the inverted cone is limited and fixed through a fixing ring, and the fixing ring is detachably connected with the oil collecting tank (2) through a connecting piece.

6. A filtering device for a kitchen ventilator according to claim 1, characterized in that: the filtering device comprises a detachable drawing box (4) arranged in the oil collecting chamber and oil absorption cotton (5) which is arranged on the side wall of the drawing box (4) and is opposite to the air outlet of the air outlet pipeline (3).

7. A filtering device for a kitchen ventilator according to claim 6, characterized in that: the oil absorption cotton (5) is detachably fixed on the side wall of the drawing box (4) and is separated from the air outlet of the air outlet pipeline (3) by 2-5 cm.

8. A filtering device for a kitchen ventilator according to claim 6, characterized in that: the oil absorption cotton (5) can be made of honeycomb active carbon material, or polypropylene adsorption cotton, or PCB oil absorption cotton, or oil absorption cotton made of other adsorption materials.

9. A filtering device for a kitchen ventilator according to claim 1, characterized in that: the top of the oil collecting chamber is provided with a cover plate (12), the cover plate (12) is provided with a smoke exhaust pipe interface, and the smoke exhaust pipe interface is connected with a smoke exhaust pipe communicated to the outside.

10. A filtering device for a kitchen ventilator according to claim 1, characterized in that: the oil collecting chamber and the water tank (6) are arranged inside the range hood and are arranged adjacently.