CN217209501U

CN217209501U - Kitchen flue gas waste heat recovery device

Info

Publication number: CN217209501U
Application number: CN202220126377.1U
Authority: CN
Inventors: 王嘉
Original assignee: Guangzhou Baiwuchun Technology Co ltd
Current assignee: Guangzhou Baiwuchun Technology Co ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-08-16
Anticipated expiration: 2032-01-18

Abstract

The utility model relates to the technical field of environmental protection equipment, in particular to a kitchen flue gas waste heat recovery device, which comprises a smoke collecting hood, wherein a gas inlet window is arranged on the smoke collecting hood, and the inner side of the gas inlet window is provided with an oil smoke filter screen; the inner side of the oil fume filter screen is provided with a heat exchange plate, the heat exchange plate comprises a water inlet end plate and a water outlet end plate, a plurality of heat exchange tubes are arranged between the water inlet end plate and the water outlet end plate, medium flow channels are arranged inside the water inlet end plate, the water outlet end plate and the heat exchange tubes, the water inlet end plate is also provided with a water inlet tube, and the water outlet end plate is provided with a water outlet tube; also comprises a cold water tank and a hot water tank. The kitchen flue gas waste heat recovery device can effectively recycle the waste heat in the flue gas so as to save energy.

Description

Kitchen flue gas waste heat recovery device

Technical Field

The utility model relates to an environmental protection equipment technical field especially relates to a kitchen flue gas waste heat recovery device.

Background

Kitchen oil smoke is generally collected through an air inlet cover of the range hood and is exhausted through a flue, the temperature of the flue can be increased when the oil smoke enters the flue due to high temperature of the oil smoke, and tiles at the flue of a kitchen can fall off due to uneven heating of the flue for a long time. Meanwhile, kitchen flue gas is directly discharged into the flue, so that waste heat in the flue gas cannot be recycled, and certain energy waste is caused.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the utility model is to provide a kitchen flue gas waste heat recovery device, kitchen flue gas waste heat recovery device can carry out recycle to the waste heat in the flue gas effectively to the energy can be saved.

In order to achieve the technical effects, the utility model adopts the following technical scheme:

a kitchen flue gas waste heat recovery device comprises:

the exhaust fume collecting hood is communicated with a flue through an exhaust pipe, an induced draft fan is arranged on the inner side of the exhaust pipe of the exhaust fume collecting hood, an air inlet window is arranged on the exhaust fume collecting hood, and an oil fume filter screen is arranged on the inner side of the air inlet window;

the heat exchange plate comprises a water inlet end plate and a water outlet end plate, a plurality of heat exchange tubes are arranged between the water inlet end plate and the water outlet end plate, medium flow passages are arranged inside the water inlet end plate, the water outlet end plate and the heat exchange tubes, a water inlet pipe is further arranged on the water inlet end plate, and a water outlet pipe is arranged on the water outlet end plate;

a cold water tank; the cold water tank is communicated with the water inlet pipe through a water outlet pipeline, and a water outlet pump is also arranged on the water outlet pipeline;

the hot water tank is communicated with the water outlet pipe through a water inlet pipeline.

Furthermore, the bottoms of the water inlet end plate and the water outlet end plate are fixedly connected with the oil smoke filter screen through mounting assemblies.

Further, all be equipped with the installation through-hole in the four corners department of oil smoke filter screen, the collection petticoat pipe is in the four corners department correspondence of air intake window is equipped with the connecting seat, just threaded blind hole has been seted up on the connecting seat.

Furthermore, a temperature sensor is arranged in the water outlet pipe.

Furthermore, a heat-insulating interlayer is arranged on the outer wall of the hot water tank.

Furthermore, both ends of the smoke collecting hood are provided with access holes.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a pair of kitchen flue gas waste heat recovery device collects the flue gas that the culinary art produced through setting up the collection petticoat pipe to carry out prefilter to the flue gas through the oil smoke filter screen, then contact with the flue gas through heat transfer board and flue gas in order to produce the heat exchange, and make water flow in the heat transfer board inside in order to take away the heat of heat transfer board, thereby heat water and carry to the hot-water cylinder in with the water after heating and store. The kitchen flue gas waste heat recovery device can recycle waste heat in flue gas, and meanwhile, the kitchen flue gas waste heat recovery device is simple in whole installation structure, convenient to detach and maintain and low in running cost.

Drawings

Fig. 1 is a schematic view of an overall structure of a kitchen flue gas waste heat recovery device according to an embodiment of the present invention;

fig. 2 is a schematic view of a partial enlarged structure at a position a of a kitchen flue gas waste heat recovery device according to an embodiment of the present invention;

fig. 3 is a schematic view of a partial enlarged structure at a position B of a kitchen flue gas waste heat recovery device according to an embodiment of the present invention;

the reference signs are: 10, a smoke collecting hood, 11, an exhaust pipe, 12, an induced draft fan, 21, a smoke filter screen, 211, a smoke through hole, 212, an installation through hole, 23, a connecting seat, 231, a threaded blind hole, 30, a heat exchange plate, 31, a water inlet end plate, 311, a water inlet end head, 312, a water inlet pipe, 313, a cold water tank, 314, a water outlet pipeline, 315, a water outlet pump, 32, a water outlet end plate, 321, a water outlet end head, 322, a water outlet pipe, 323, a hot water tank, 324, a water inlet pipeline, 33, a heat exchange pipe, 34, an I-shaped connecting piece, 341, a cushion pad, 41, a maintenance port, 42 and an installation plate.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and therefore are only used as examples, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1-3, the kitchen flue gas waste heat recovery device that this embodiment provided, including collection petticoat pipe 10, collection petticoat pipe 10 communicates with the flue through exhaust pipe 11, just collection petticoat pipe 10 is in the inboard of exhaust pipe 11 is equipped with draught fan 12, be equipped with the air inlet window on the collection petticoat pipe 10, the air inlet window just installs cooking utensils to collect the oil smoke that produces in the culinary art process. Still be equipped with the controller in the collection petticoat pipe 10, draught fan 12 is connected with the controller electricity, when concrete implementation, through controller control thereby draught fan 12 work makes the lampblack absorber get into this collection petticoat pipe 10 inside through the window that admits air to there is the residual heat of flue gas to collect.

In this embodiment, a soot filter 21 is disposed inside the air inlet window, and a plurality of soot through holes 211 are disposed on the soot filter 21 for supplying soot to the inside of the air inlet window. The inner side of the oil smoke filter screen 21 is connected with a heat exchange plate 30 through a mounting assembly so as to collect the waste heat in the smoke. Specifically, heat exchange plate 30 includes into water end plate 31 and play water end plate 32, be equipped with a plurality of heat exchange tubes 33 between into water end plate 31 and the play water end plate 32, heat exchange tubes 33 are the pipe form and the surface is smooth to do benefit to cleanly. The heat exchange tubes 33 are parallel to each other, and the distance between the adjacent heat exchange tubes 33 is 0.2mm-0.6mm, and preferably 0.3mm-0.35 mm. And medium channels are arranged inside the water inlet end plate 31, the water outlet end plate 32 and the heat exchange tubes 33 for cold and hot water to pass through. The water inlet end plate 31 is provided with a water inlet end 311, the water inlet end 311 is detachably provided with a water inlet pipe 312, the water outlet end plate 32 is provided with a water outlet end 321, and the water outlet end 321 is detachably provided with a water outlet pipe 322; the kitchen flue gas waste heat recovery device further comprises a cold water tank 313 and a hot water tank 323, the cold water tank 313 is communicated with the water inlet pipe 312 through a water outlet pipeline 314, a water outlet pump 315 is further arranged on the water outlet pipeline 314, and the water outlet pump 315 is electrically connected to the controller. The hot water tank 323 is communicated with the water outlet pipe 322 through a water inlet pipe 324 and used for storing hot water, a heat insulation interlayer is arranged on the outer wall of the hot water tank 323, cold water in the cold water tank 313 is transmitted to the hot water tank 323 for storage after being subjected to heat exchange through the heat exchange plate 30, and the hot water in the hot water tank 323 can be reused, so that energy is saved. In addition, be equipped with temperature sensor in outlet pipe 322, temperature sensor electricity is connected to the controller, when concrete implementation, temperature sensor can carry out real-time detection and feed back to the temperature in outlet pipe 322 to the controller, and by the controller adjusts the transport rate of cold water according to this feedback value, so that fully retrieve the waste heat in the flue gas.

In this embodiment, to the heat exchange plate 30, the installation components are two sets and respectively disposed between the water inlet end plate 31 and the oil smoke filter screen 21 and between the water outlet end plate 32 and the oil smoke filter screen 21. The mounting assembly comprises a plurality of I-shaped connecting pieces 34, the I-shaped connecting pieces 34 are connected with the water end plate, the water inlet end plate 31 and the oil smoke filter screen 21 through bolts, buffering pads 341 are arranged on contact surfaces of the I-shaped connecting pieces 34, the water outlet end plate 32, the water inlet end plate 31 and the oil smoke filter screen 21, and the buffering pads 341 are made of rubber materials.

In this embodiment, for right the oil smoke filter screen 21 installs, the four corners department of oil smoke filter screen 21 all is equipped with installation through hole 212, collection petticoat pipe 10 is in the four corners department correspondence of air intake window is equipped with connecting seat 23, just seted up threaded blind hole 231 on the connecting seat 23, just threaded blind hole 231 with installation through hole 212 is just right, and when concrete implementation, the accessible uses the bolt to pass installation through hole 212 and with the one end screw in threaded blind hole 231 of this bolt to install oil smoke filter screen 21.

In this embodiment, it is right the heat exchange plate 30 is installed, the both ends of collection petticoat pipe 10 all are equipped with access hole 41, access hole 41 department is equipped with mounting panel 42, the equal fixed mounting of inlet tube 312 and outlet pipe 322 is in on the mounting panel 42, mounting panel 42 then through the bolt with collection petticoat pipe 10 is connected, can greatly be convenient for install heat exchange plate 30.

Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will understand that the present invention can be modified or replaced with other embodiments without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims. The technology, shape and construction parts which are not described in detail in the present invention are known technology.

Claims

1. The utility model provides a kitchen flue gas waste heat recovery device which characterized in that includes:

the exhaust fume collecting hood (10) is communicated with a flue through an exhaust pipe (11), an induced draft fan (12) is arranged on the inner side of the exhaust pipe (11) of the exhaust fume collecting hood (10), an air inlet window is arranged on the exhaust fume collecting hood (10), and an oil fume filter screen (21) is arranged on the inner side of the air inlet window;

the heat exchange plate (30) comprises a water inlet end plate (31) and a water outlet end plate (32), a plurality of heat exchange tubes (33) are arranged between the water inlet end plate (31) and the water outlet end plate (32), medium flow channels are arranged inside the water inlet end plate (31), the water outlet end plate (32) and the heat exchange tubes (33), a water inlet tube (312) is further arranged on the water inlet end plate (31), and a water outlet tube (322) is arranged on the water outlet end plate (32);

a cold water tank (313); the cold water tank (313) is communicated with the water inlet pipe (312) through a water outlet pipeline (314), and a water outlet pump (315) is further arranged on the water outlet pipeline (314);

the hot water tank (323) is communicated with the water outlet pipe (322) through a water inlet pipe (312).

2. The kitchen flue gas waste heat recovery device of claim 1, characterized in that: the bottoms of the water inlet end plate (31) and the water outlet end plate (32) are fixedly connected with the oil smoke filter screen (21) through mounting components.

3. The kitchen flue gas waste heat recovery device of claim 1, characterized in that: four corners department of oil smoke filter screen (21) all is equipped with installation through-hole (212), collection petticoat pipe (10) are in the four corners department correspondence of air inlet window is equipped with connecting seat (23), just threaded blind hole (231) has been seted up on connecting seat (23).

4. The kitchen flue gas waste heat recovery device of claim 1, characterized in that: a temperature sensor is arranged in the water outlet pipe (322).

5. The kitchen flue gas waste heat recovery device of claim 1, characterized in that: and a heat-insulating interlayer is arranged on the outer wall of the hot water tank (323).

6. The kitchen flue gas waste heat recovery device of claim 1, characterized in that: and both ends of the fume collecting hood (10) are provided with access holes (41).