CN214745867U

CN214745867U - Flue gas waste heat recovery device

Info

Publication number: CN214745867U
Application number: CN202120792705.7U
Authority: CN
Inventors: 张家顺; 顾朝光; 李晓平; 梁辉; 王政
Original assignee: Hefei Shunchang Distributed Energy Integration Application Technology Co ltd
Current assignee: Hefei Shunchang Distributed Energy Integration Application Technology Co ltd
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-11-16
Anticipated expiration: 2031-04-19

Abstract

The utility model relates to a gas-cooker technical field specifically is a flue gas waste heat recovery device, it includes: a gas cooker, a gas stove, a water storage tank and a smoke exhaust cavity; the gas pot sets up directly over the gas-cooker, the storage water tank sets up under the gas-cooker, the chamber of discharging fume sets up under the storage water tank, the gas-cooker includes: an air input port, a flue gas output port and a combustion rack; the burning frame sets up in the middle part of gas-cooker, and the top of burning frame can be even emits the gas, lights the back and produces flame on the top of burning frame, heats the gas pot of top, has evenly seted up a plurality of flue gas delivery outlets on the cylinder lateral wall of gas-cooker, and the high temperature flue gas that has a large amount of waste heat will follow the flue gas delivery outlet and flow out the gas-cooker, the utility model discloses a hot water export and filler are provided with temperature control system, can control the size of hot water export and filler according to the temperature in the storage water tank, can realize the automation of storage water tank and add water and hydrothermal output.

Description

Flue gas waste heat recovery device

Technical Field

The utility model relates to a gas-cooker field, concretely relates to flue gas waste heat recovery device.

Background

The structural reason of the daily kitchen gas cooker makes the thermal efficiency of the daily kitchen gas cooker function at 50% for a long time, so that a large amount of heat energy is lost and wasted, serious heat pollution is caused, heat energy which is not effectively utilized after gas combustion is released in a narrow kitchen space in the form of heat radiation and convection, serious heat pollution is caused, harmful gas in high-temperature smoke is dispersed in the kitchen to harm the health of family members, how to utilize the heat energy to improve the combustion efficiency of the gas cooker is a problem which needs to be solved urgently by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

Therefore, the present invention is an improvement made in view of the above problems, and the present invention provides a flue gas waste heat recovery device, which is directed to the above problems, and achieves the above objects by the following technical solutions.

A flue gas waste heat recovery device comprises: a gas cooker, a gas stove, a water storage tank and a smoke exhaust cavity; the gas cooker is arranged right above the gas stove, the water storage tank is arranged right below the gas stove, and the smoke exhaust cavity is arranged right below the water storage tank;

the gas range includes: an air input port, a flue gas output port and a combustion rack; the combustion frame is arranged in the middle of the gas stove and is conical, fuel gas can be uniformly discharged from the top end of the combustion frame, flame is generated at the top end of the combustion frame after the combustion frame is ignited to heat a gas pot above the combustion frame, a plurality of flue gas output ports are uniformly formed in the cylindrical side wall of the gas stove, high-temperature flue gas with a large amount of waste heat flows out of the gas stove from the flue gas output ports, an air input port is formed in the left side of the side wall of the gas stove, and when the gas stove is used, air is introduced from the air input port to participate in combustion reaction;

the water storage tank includes: a flue gas pipeline, a water filling port and a hot water outlet; an opening at the upper end of the flue gas pipeline is a flue gas inlet, and an opening below the flue gas pipeline is a flue gas outlet; the smoke exhaust device comprises a plurality of smoke pipelines, wherein a smoke inlet of each smoke pipeline is correspondingly connected with a smoke outlet, a pipe body of each smoke pipeline is inserted into a water storage tank from the side surface of the water storage tank in a winding manner and then vertically penetrates through the lower part of the water storage tank, an opening at the lower part of each smoke pipeline is a smoke outlet, a hot water outlet is arranged at the lower part of the left side of the wall of the water storage tank, a water filling port is arranged above the right side of the wall of the water storage tank, a smoke exhaust cavity is arranged under the water storage tank, heat-exchanged smoke exhausted from the smoke outlet of each smoke pipeline is converged in the smoke exhaust cavity, and the smoke is converged and then exhausted from a smoke exhaust port arranged at the right end of the smoke exhaust cavity;

preferably, the section of the pipe body extending into the flue gas pipeline of the water storage tank is made of a material with good heat conductivity, and a buffer structure for slowing down the gas flow speed is arranged in the flue gas pipeline, so that the retention time of the flue gas in the flue gas pipeline can be prolonged, the heat exchange time between the flue gas and water in the water storage tank is prolonged, and the heat exchange efficiency is improved;

preferably, the air inlet is arranged at a position lower than the top end of the combustion rack, so that air introduced from the air inlet can be emitted to the conical surface of the combustion rack, and the conical surface buffers the introduced air, so that flame at the top end of the combustion rack can be stably combusted and is not blown away by airflow;

preferably, the hot water outlet and the water filling port are provided with temperature control systems, so that the sizes of the hot water outlet and the water filling port can be controlled according to the water temperature in the water storage tank, and the purpose of supplying hot water with enough heat for people is achieved.

The utility model discloses beneficial effect:

1. the utility model discloses a flue gas pipeline's quantity is a plurality of, every flue gas pipeline's flue gas entry all corresponds inserts the flue gas delivery outlet, the storage water tank is inserted to the side from the storage water tank that the body of pipe of flue gas pipeline meanders, then pass perpendicularly from the below of storage water tank again, the section body of pipe that stretches into the flue gas pipeline of storage water tank uses the material that the heat conductivity is good to make, be provided with the buffer structure who slows down the gas flow rate in the flue gas pipeline, can prolong the time that the flue gas dwelled in flue gas pipeline, the extension and the heat transfer time of the water in the storage water tank and flue gas, increase heat exchange efficiency, and many flue gas pipelines have bigger heat transfer area for a flue gas pipeline, and the heat exchange efficiency is improved.

2. The utility model discloses a position that air input port set up is less than the top of burning frame, and the air that makes air input port let in can be penetrated the circular conical surface of burning frame on, and the circular conical surface cushions the air that lets in, makes the flame on burning frame top can the steady combustion, and is not blown away by the air current.

3. The utility model discloses a hot water export and filler are provided with temperature control system, can control the size of hot water export and filler according to the temperature in the storage water tank, can realize the automation of storage water tank and add water and hydrothermal output.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an exploded view of the structure of the present invention.

Fig. 3 is a schematic structural view of the gas stove of the present invention.

Fig. 4 is a schematic structural diagram of the flue gas pipeline of the present invention.

Fig. 5 is a schematic structural diagram of the water storage tank of the present invention.

Description of reference numerals: 1. a gas boiler; 2. a gas range; 3. a water storage tank; 4. a smoke exhaust cavity; 21. an air input port; 22. a flue gas outlet; 23. a combustion rack; 31. a flue gas duct; 32. a water filling port; 33. a hot water outlet; 41. a flue gas outlet; 311. a flue gas inlet; 312. and a flue gas outlet.

Detailed Description

The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, which are easily implemented by those having ordinary skill in the art to which the present invention pertains. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In addition, for the purpose of more clearly describing the present invention, parts not connected with the present invention will be omitted from the drawings.

As shown in fig. 1 and 2, a flue gas waste heat recovery device includes: the gas cooker comprises a gas cooker 1, a gas stove 2, a water storage tank 3 and a smoke exhaust cavity 4; the gas boiler 1 is arranged right above the gas stove 2, the water storage tank 3 is arranged right below the gas stove 2, and the smoke exhaust cavity 4 is arranged right below the water storage tank 3;

as shown in fig. 3, the gas range 2 includes: an air inlet 21, a flue gas outlet 22 and a combustion frame 23; the combustion frame 23 is arranged in the middle of the gas stove 2, the combustion frame 23 is conical, fuel gas can be uniformly discharged from the top end of the combustion frame 23, flame is generated at the top end of the combustion frame 23 after the combustion frame 23 is ignited, the gas pot 1 above the combustion frame is heated, a plurality of flue gas output ports 22 are uniformly formed in the cylindrical side wall of the gas stove 2, high-temperature flue gas with a large amount of waste heat flows out of the gas stove 2 from the flue gas output ports 22, an air input port 21 is formed in the left side of the side wall of the gas stove 2, and when the gas stove 2 is used, air is introduced from the air input port 21 to participate in combustion reaction;

as shown in fig. 2, 4 and 5, the water storage tank 3 includes: a flue gas pipeline 31, a water filling port 32 and a hot water outlet 33; the upper end opening of the flue gas pipeline 31 is a flue gas inlet 311, and the lower opening of the flue gas pipeline 31 is a flue gas outlet 312; the number of the flue gas pipelines 31 is a plurality, the flue gas inlet 311 of each flue gas pipeline 31 is correspondingly connected to the flue gas outlet 22, the pipe body of each flue gas pipeline 31 is inserted into the water storage tank 3 from the side surface of the water storage tank 3 in a winding manner, and then vertically penetrates through the lower part of the water storage tank 3, the lower opening of the flue gas pipeline 31 is a flue gas outlet 312, a hot water outlet 33 is arranged below the left side of the wall of the water storage tank 3, and a water filling port 32 is arranged above the right side of the wall of the water storage tank 3;

as shown in fig. 1 and 2, the smoke exhaust cavity 4 is arranged right below the water storage tank 3, heat-exchanged smoke discharged from the smoke outlet 312 of the smoke pipeline 31 is gathered in the smoke exhaust cavity 4, and the smoke is gathered by the smoke exhaust cavity 4 and then discharged from the smoke outlet 41 arranged at the right end;

preferably, as an implementation mode, the section of the pipe body of the flue gas pipeline 31 extending into the water storage tank 3 is made of a material with good heat conductivity, and a buffer structure for slowing down the gas flow speed is arranged in the flue gas pipeline 31, so that the retention time of the flue gas in the flue gas pipeline 31 can be prolonged, the heat exchange time between the flue gas and water in the water storage tank 3 can be prolonged, and the heat exchange efficiency can be increased;

preferably, as an implementation mode, the air inlet 21 is arranged at a position lower than the top end of the combustion rack 23, so that the air introduced from the air inlet 21 can be emitted to the conical surface of the combustion rack 23, and the conical surface buffers the introduced air, so that the flame at the top end of the combustion rack 23 can be stably combusted and is not blown away by the airflow;

preferably, as an implementation mode, a temperature control system is arranged at the hot water outlet 33 and the water filling port 32, and the sizes of the hot water outlet 33 and the water filling port 32 can be controlled according to the temperature of the water in the water storage tank 3, so that the hot water with enough heat can be supplied to people for use.

The working principle of the utility model is as follows:

during the use, start gas-cooker 2, it participates in the combustion reaction to let in air from air input port 21, the flame on the top of burning frame 23 heats the gas pot 1 of top, the high temperature flue gas that the burning obtained flows out gas-cooker 2 from each flue gas pipeline 31, when the high temperature flue gas in the flue gas pipeline 31 passes through storage water tank 3, carry out the heat transfer with the water in the storage water tank 3, then discharge flue gas pipeline 31 from flue gas outlet 312 below, the low temperature flue gas after the heat transfer assembles the back in discharging fume chamber 4, discharge fume chamber 4 from flue gas discharge port 41 on right side, can realize the automatic of storage water tank 3 and add water and hot water output through the temperature control system of hot water export 33 and filler 32.

Claims

1. A flue gas waste heat recovery device comprises: the gas stove comprises a gas pot (1), a gas stove (2), a water storage tank (3) and a smoke exhaust cavity (4), wherein the gas pot (1) is arranged right above the gas stove (2), the water storage tank (3) is arranged right below the gas stove (2), and the smoke exhaust cavity (4) is arranged right below the water storage tank (3); the method is characterized in that: the gas range (2) comprises: an air inlet (21), a flue gas outlet (22) and a burning frame (23), the combustion frame (23) is arranged in the middle of the gas stove (2), a plurality of flue gas output ports (22) are uniformly arranged on the side wall of the gas stove (2), an air inlet (21) is formed in the side wall of the gas stove (2), the water storage tank (3) comprises a flue gas pipeline (31), a water filling port (32) and a hot water outlet (33), a hot water outlet (33) is arranged at the left side of the water storage tank (3), a water filling port (32) is arranged at the right side of the water storage tank (3), a plurality of flue gas pipelines (31) are arranged in the water storage tank (3), a flue gas inlet (311) is arranged at the upper end opening of each flue gas pipeline (31), the lower opening of the smoke pipeline (31) is provided with a smoke outlet (312), and the right side of the smoke exhaust cavity (4) is provided with a smoke exhaust port (41).

2. The flue gas waste heat recovery device according to claim 1, characterized in that: the upper end of the combustion rack (23) is in a conical structure, and the position of the air inlet (21) is lower than the top end of the combustion rack (23).

3. The flue gas waste heat recovery device according to claim 1, characterized in that: the smoke inlet (311) of each smoke pipeline (31) corresponds to the smoke outlet (22).

4. The flue gas waste heat recovery device according to claim 1, characterized in that: the upper end of the flue gas pipeline (31) is arc-shaped, and the lower end of the flue gas pipeline (31) is vertical.

5. The flue gas waste heat recovery device according to claim 1, characterized in that: the hot water outlet (33) and the water filling port (32) are both provided with temperature control systems.