CN216282079U

CN216282079U - Flue gas recovery device of gas wall-mounted boiler

Info

Publication number: CN216282079U
Application number: CN202122708809.8U
Authority: CN
Inventors: 朱文生
Original assignee: Foshan Shunde Yalishanda Electric Appliance Co ltd
Current assignee: Foshan Shunde Yalishanda Electric Appliance Co ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-04-12
Anticipated expiration: 2031-11-05

Abstract

The utility model discloses a flue gas recovery device of a gas wall-mounted furnace, which comprises a furnace body, wherein a combustion chamber and a heat exchanger arranged in the combustion chamber are arranged in the furnace body, the top of the combustion chamber is provided with a recovery device, the recovery device comprises a ceiling and an exhaust chimney, a heat exchange copper pipe is arranged in the ceiling, the top of the ceiling is provided with a through hole, the exhaust chimney comprises an inner pipe and an outer pipe sleeved outside the inner pipe, an annular channel is formed between the outer pipe and the inner pipe, the inner pipe is connected with the through hole, the annular channel is connected with the combustion chamber, baffles for preventing flue gas from being directly discharged are arranged on the inner side of the inner pipe, water to be heated is preheated by using the flue gas with heat through the arranged recovery device, and the flue gas exchanges heat for the entering air through the exhaust chimney, so that the temperature of the discharged flue gas is reduced, the direct emission of the flue gas is prevented, the waste is avoided, the high-temperature pollution can be prevented, and the environmental protection concept is met.

Description

Flue gas recovery device of gas wall-mounted boiler

Technical Field

The utility model relates to the technical field of gas wall-mounted furnaces, in particular to a flue gas recovery device of a gas wall-mounted furnace.

Background

The hanging stove is the short for of gas hanging stove, the full name is gas hanging heating stove, multiple safety protection measures such as protection has frostproofing, dry combustion method protection, unexpected flame-out protection, the too high protection of temperature, the dead protection of water pump anti-sticking, the flue gas that the hanging stove burning produced has very big heat, present hanging stove all adopts the mode of direct discharge flue gas, but will lead to the heat in the hanging stove to be along with the direct discharge of flue gas like this, the direct emission of flue gas more than up to 100 ℃ is too extravagant, causes high temperature pollution moreover.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a flue gas recovery device of a gas wall-mounted boiler so as to achieve the purposes of recovering the heat of flue gas and preventing direct discharge.

The technical scheme of the utility model is as follows: the utility model provides a flue gas recovery unit of gas hanging stove, including the furnace body, be provided with the combustion chamber in the furnace body and set up at the inside heat exchanger of combustion chamber, the combustion chamber top is provided with recovery unit, recovery unit is including inhaling top and exhaust chimney, it sets up at the combustion chamber top to inhale the top, it is inside to be provided with the heat transfer copper pipe to inhale the top, heat transfer copper pipe one end is connected with the inlet tube, and the other end is connected in the heat exchanger, inhale the top and seted up the through-hole, the exhaust chimney is established the outer tube outside the inner tube including the inner tube and cover, be formed with annular channel between outer tube and the inner tube, the inner tube coupling is in the through-hole for discharge the flue gas, annular channel connects in the combustion chamber, the inboard range of inner tube is provided with and is used for preventing the direct exhaust baffle of flue gas.

Preferably, an exhaust fan is arranged between the ceiling and the exhaust chimney.

Preferably, the baffle is semi-circular in shape.

Preferably, the heat exchange copper pipe is spirally arranged below the through hole, and the heat exchange copper pipe is fixedly connected to the ceiling through a connecting rod.

Preferably, the other end of the heat exchanger, which is far away from the heat exchange copper pipe, is connected with a water tank.

Preferably, the combustion chamber is provided with an interlayer communicated with the outer pipe, and an air inlet connected to the interlayer is arranged on the inner side of the combustion chamber.

Compared with the prior art, the flue gas recovery device of the wall-mounted gas boiler has the following beneficial effects that: through the recovery unit who sets up, utilize to have thermal flue gas to preheat the water that needs the heating, the flue gas passes through the air heat transfer that the exhaust chimney is for getting into again for exhaust flue gas temperature reduces, prevents the direct emission of flue gas and too extravagant, can also prevent high temperature pollution, accords with the environmental protection theory.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model without limiting the utility model in which:

FIG. 1 is a schematic distribution diagram of the furnace body of the present invention.

FIG. 2 is a schematic view of the recycling apparatus of the present invention.

In the figure: the furnace body 1, the combustion chamber 2, the heat exchanger 3, the ceiling 4, the exhaust chimney 5, the interlayer 20, the through hole 40, the heat exchange copper pipe 44, the inner pipe 51, the outer pipe 52, the annular channel 53, the water inlet pipe 100, the exhaust fan 101, the water tank 102, the air inlet 200, the connecting rod 440 and the baffle 510.

Detailed Description

The utility model will be further described with reference to the accompanying drawings in which:

in the description of the present invention, it is to be understood that the terms "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "inner," and the like are used in the orientations and positional relationships indicated in the drawings only for the purpose of sub-description of the present invention and to simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be taken as limiting the present invention.

The utility model relates to a flue gas recovery device of a wall-mounted gas furnace, which comprises a furnace body 1, wherein a combustion chamber 2 and a heat exchanger 3 arranged in the combustion chamber 2 are arranged in the furnace body 1, the top of the combustion chamber 2 is provided with a recovery device which comprises a ceiling 4 and an exhaust chimney 5, the absorbing top 4 is arranged at the top of the combustion chamber 2, a heat exchange copper pipe 44 is arranged inside the absorbing top 4, one end of the heat exchange copper pipe 44 is connected with a water inlet pipe 100, the other end is connected with the heat exchanger 3, the top of the ceiling 4 is provided with a through hole 40, the exhaust chimney 5 comprises an inner pipe 51 and an outer pipe 52 sleeved outside the inner pipe 51, an annular passage 53 is formed between the outer tube 52 and the inner tube 51, the inner tube 51 is connected to the through-hole 40, for discharging the flue gas, the annular channel 53 is connected to the combustion chamber 2, and a baffle 510 for preventing the flue gas from directly discharging is arranged inside the inner pipe 51.

According to the flue gas recovery device of the gas wall-mounted furnace, the provided recovery device preheats water to be heated by using flue gas with heat, and the flue gas exchanges heat for the entering air through the exhaust chimney 5, so that the temperature of the discharged flue gas is reduced, the flue gas is prevented from being directly discharged and being excessively wasted, high-temperature pollution can be prevented, and the environment-friendly concept is met.

In this embodiment, an exhaust fan 101 is arranged between the ceiling 4 and the exhaust chimney 5, and the exhaust fan 101 can be connected and controlled by a controller to realize functions such as intermittent opening and closing.

In this embodiment, the baffle 510 is a semicircle, the baffle 510 is divided into a first baffle 510 and a second baffle 510, the first baffle 510 is arranged on the left side of the inner tube 51, the second baffle 510 is arranged on the right side of the inner tube 51, and the positions of the first baffle 510 and the second baffle 510 are not corresponding to each other, which is helpful to delay the discharge speed of the flue gas and prolong the retention time of the flue gas.

In this embodiment, the heat exchange copper pipe 44 is spirally disposed below the through hole 40, and the heat exchange copper pipe 44 is fixedly connected to the ceiling 4 through a connecting rod 440.

In this embodiment, the other end of the heat exchanger 3 away from the heat exchange copper pipe 44 is connected to a water tank 102.

In this embodiment, the combustion chamber 2 is provided with a sandwich layer 20 communicated with the outer pipe 52, and an intake hole 200 connected to the sandwich layer 20 is provided inside the combustion chamber 2.

The working principle of the utility model is as follows, the combustion chamber 2 combusts gas to generate heat, the heat exchanges heat with the heat exchanger 3 in the combustion chamber 2, so that the water in the heat exchanger 3 is heated to the temperature required by people, a large amount of smoke with heat is generated in the combustion process of the combustion chamber 2, in this way, the temperature is about 130 ℃, when the smoke drifts into the ceiling 4, natural water is introduced into the heat exchange copper pipe 44 in the ceiling 4, the smoke exchanges heat with the heat exchange copper pipe 44 when passing through the ceiling 4, so that the temperature of the smoke is reduced, the temperature of natural water in the heat exchange copper pipe 44 is increased, the temperature of the smoke at the moment is about 80 ℃, the natural water after heat exchange of the heat exchange copper pipe 44 enters the heat exchanger 3 to be continuously heated, the hot water heated in the heat exchanger 3 enters the water tank 102 to be stored, the heat exchange copper pipe 44 continuously introduces new natural water, and when the smoke is gathered in the ceiling 4 for a certain time, the exhaust fan 101 starts to operate to extract the smoke of the ceiling 4, the smoke drifts out along the inner pipe 51 of the exhaust chimney 5, the annular channel 53 is communicated with the outside, the air enters the combustion chamber 2 from the outside to provide sufficient oxygen for combustion, when the air enters the annular channel 53, the smoke drifts out along the inner pipe 51, the smoke exchanges heat with the entering air at the moment, the drifting speed of the smoke is reduced due to the arrangement of the baffle 510, the time that the smoke exists in the inner pipe 51 is prolonged, sufficient heat exchange is realized, after the heat exchange with the smoke, the temperature of the air entering the combustion chamber 2 rises, the combustion heating is facilitated, the temperature of the discharged smoke is reduced again after the heat exchange with the air, and the temperature of the smoke finally discharged from the exhaust chimney 5 is about 40 ℃.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a flue gas recovery unit of gas hanging stove, its characterized in that, including furnace body (1), be provided with combustion chamber (2) in furnace body (1) and set up at inside heat exchanger (3) of combustion chamber (2), combustion chamber (2) top is provided with recovery unit, recovery unit is including inhaling top (4) and exhaust stack (5), inhale top (4) and set up at combustion chamber (2) top, it is provided with heat transfer copper pipe (44) to inhale top (4) inside, heat transfer copper pipe (44) one end is connected with inlet tube (100), and the other end is connected in heat exchanger (3), through-hole (40) have been seted up at top (4) top, exhaust stack (5) are established at the outside outer tube (52) of inner tube (51) including inner tube (51) and cover, be formed with annular channel (53) between outer tube (52) and inner tube (51), the inner tube (51) is connected to the through hole (40) and is used for discharging the flue gas, the annular channel (53) is connected to the combustion chamber (2), and baffles (510) used for preventing the flue gas from being directly discharged are arranged on the inner side of the inner tube (51).

2. The flue gas recovery device of the gas wall-hanging stove according to claim 1, characterized in that: an exhaust fan (101) is arranged between the ceiling (4) and the exhaust chimney (5).

3. The flue gas recovery device of the gas wall-hanging stove according to claim 1, characterized in that: the baffle (510) is in a semicircular shape.

4. The flue gas recovery device of the gas wall-hanging stove according to claim 1, characterized in that: the heat exchange copper pipe (44) is spirally arranged below the through hole (40), and the heat exchange copper pipe (44) is fixedly connected to the ceiling (4) through a connecting rod (440).

5. The flue gas recovery device of the gas wall-hanging stove according to claim 1, characterized in that: the other end of the heat exchanger (3) far away from the heat exchange copper pipe (44) is connected with a water tank (102).

6. The flue gas recovery device of the gas wall-hanging stove according to claim 1, characterized in that: the combustion chamber (2) is provided with an interlayer (20) communicated with the outer pipe (52), and the inner side of the combustion chamber (2) is provided with an air inlet (200) connected with the interlayer (20).