CN212777977U

CN212777977U - Burner for wall-mounted furnace

Info

Publication number: CN212777977U
Application number: CN202021513330.8U
Authority: CN
Inventors: 胥金龙
Original assignee: Sichuan Hylx Technology Co ltd
Current assignee: Sichuan Hylx Technology Co ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-03-23
Anticipated expiration: 2030-07-27

Abstract

The utility model discloses a combustor for hanging stove, include: the fixed plate is matched with the square heat exchanger shell to enable the combustion chamber to be in a sealing state to the outside, and an air inlet pipe for mixed gas to enter is arranged on the fixed plate; the gas guide plate is arranged on the fixed plate through a limiting plate, and a notch for guiding gas is arranged on the limiting plate; a furnace end covered on the air guide plate; the ignition mechanism is arranged on the outer side of the furnace end; the furnace head is configured to be of a housing type structure, and a plurality of combustion holes through which fuel gas can penetrate are formed in each side face of the furnace head. The utility model provides a hanging is combustor for stove, it is through the institutional advancement to the combustor for its combustion surface is great, and the combustion effect is more abundant, makes the oxynitrides of the production in the combustion process littleer, effectively reduces oxynitride's in the flue gas emission, more accords with energy-concerving and environment-protective requirement.

Description

Burner for wall-mounted furnace

Technical Field

The utility model relates to an equipment of energy conversion. More specifically, the utility model relates to an integral combustor for use under hanging stove heat transfer condition.

Background

The heat exchanger of the existing gas wall-hanging furnace adopts red copper as a raw material, the combustion mode is that natural gas is combusted in the atmosphere, then the heat exchanger absorbs heat by using a heat absorbing sheet and a main water channel, the temperature of a heat exchange medium is increased when the heat is converted into the heat exchange medium of the main water channel (at present, most of domestic tap water is used as the heat exchange medium), the heat exchange medium brings heat energy out of the heat exchanger and sends the heat energy to a place (such as a radiator) needing heat energy, the temperature of the heat exchanger medium after heat dissipation is reduced, the heat exchange medium is sent to the heat exchanger under the action of a circulating pump, and then the process is repeated.

The structure of the existing burner is similar to that of the existing household gas stove, so that the heat absorption of a heat exchanger is influenced and the heat exchange rate is influenced due to the fact that the burning surface is small in the burning process, the burning is insufficient, the generated nitrogen-oxygen mixture is more, and the requirements of energy conservation and environmental protection are not met.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to solve at least the above problems and/or disadvantages and to provide at least the advantages which will be described later.

To achieve these objects and other advantages and in accordance with the purpose of the invention, a burner for a wall-mounted stove is provided, comprising:

the fixed plate is matched with the square heat exchanger shell to enable the combustion chamber to be in a sealing state to the outside, and an air inlet pipe for mixed gas to enter is arranged on the fixed plate;

the gas guide plate is arranged on the fixed plate through a limiting plate, and a notch for guiding gas is arranged on the limiting plate;

a furnace end covered on the air guide plate;

the ignition mechanism is arranged on the outer side of the furnace end;

the furnace head is configured to be of a housing type structure, and a plurality of combustion holes through which fuel gas can penetrate are formed in each side face of the furnace head.

Preferably, the air guide plate is configured to include a bottom plate fitted with a defining plate;

wherein, the center of the bottom plate is provided with an air inlet;

a plurality of second air guide plates in a radial shape are arranged at the periphery of the air inlet hole through punch forming;

and a plurality of third air guide plates are arranged at the two ends of the outer side of the second air guide plate through punch forming.

Preferably, each air guide plate has an inclination angle of 30-75 degrees spatially from the base plate.

The utility model discloses at least, include following beneficial effect: one of the two, the utility model discloses a to the institutional advancement of combustor for its combustion face is great, and the combustion effect is more abundant, makes the oxynitrides of the production in the combustion process littleer, effectively reduces oxynitride's emission in the flue gas, more accords with energy-concerving and environment-protective requirement.

Secondly, the utility model discloses a structure to air guide plate in the combustor designs for its air guide effect is better, and the air guide volume is controllable simultaneously.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic structural view of a burner for a wall-mounted stove according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a limiting plate according to another embodiment of the present invention;

FIG. 3 is a schematic view of a structure of the furnace end and the air guide plate of another embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view of a burner of another embodiment of the present invention cooperating with an air guide plate;

fig. 5 is a schematic structural view of a fixing plate according to another embodiment of the present invention;

fig. 6 is a schematic cross-sectional structure diagram of the burner of the present invention disposed in the heat exchanger.

Detailed Description

The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

It should be noted that in the description of the present invention, the terms indicating the orientation or the positional relationship are based on the orientation or the positional relationship shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are used in a broad sense, and for example, "connected," may be fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, or connected between two elements.

Fig. 1-5 show according to the utility model discloses a hanging is realization form of combustor for stove, and the combustor sets up in the hanging stove below the heat transfer shell in order to constitute hanging stove combustion chamber, and the combustor is set up to include:

the fixed plate 1 is matched with a square heat exchanger shell to enable a combustion chamber to be in a sealed state to the outside, an air inlet pipe 2 allowing mixed gas to enter is arranged on the fixed plate, the fixed plate is connected with the bottom of the heat exchange shell through a screw, so that the connection between the combustor and the heat exchange shell structure is better, the air inlet pipe arranged on the fixed plate enables the fixed plate to be matched with external equipment, and by referring to the design principle of a turbocharged engine, gas and air are mixed together in advance before the combustion of the heat exchanger, and then the mixed gas is sent into the combustor through the air inlet pipe to be combusted, so that the design requirements of energy conservation and emission reduction are met;

the gas guide plate 4 is arranged on the fixed plate through the limiting plate 3, a notch 5 for guiding gas is arranged on the limiting plate, and the limiting plate is used for guiding the mixed gas entering from the fixed plate through the notch on the limiting plate so as to enable the mixed gas to completely enter the furnace end through the gas guide plate;

a burner 6 covering the gas guide plate for fully burning the mixed gas;

an ignition mechanism 7 arranged outside the furnace end;

wherein, the furnace end is configured to be housing formula structure, be provided with a plurality of combustion holes 8 that can supply the gas to wear out on its each side, in this kind of structure, structure through with the furnace end sets to the structure of similar lid fire board, make the mist that enters into to the furnace end, can prescribe a limit to through the structure of housing formula, further outwards spill over through the combustion hole on it, and the structural design of combustion hole is arranged to the multiaspect, make the combustion face for prior art, fully enlarge, so the combustion effect is more abundant, the content of the part of not fully burning in the flue gas still less, the combustion effect is better, the heat is bigger, so that thermal quick absorption, the speed of accelerated heat exchange.

3-4, in another example, the air guide plate is configured to include a bottom plate 9 that mates with a confinement plate;

wherein, the center of the bottom plate is provided with an air inlet 10;

a plurality of second air guide plates 11 in a radial shape are arranged at the periphery of the air inlet hole through punch forming;

at second air guide plate outside both ends, a plurality of third air guide plate 12 have been arranged through stamping forming, in this kind of structure, seal through the bottom plate, be connected with the limiting plate simultaneously, and the inlet port and the air guide plate that set up on the bottom plate, make its air admission rate controllable, and the inlet port is the hole that directly obtains through the punching press, and each air guide plate is through accurate punching press technique, make air guide plate trilateral and bottom plate break away from, and only one side is connected with the bottom plate, and then guide the air admission mode when guaranteeing to admit air, can inject the air inflow simultaneously, the structure preparation of combustor can combine together through welding and accurate punching press technique, in order to obtain the structure of each part in the scheme, better material structural stability has simultaneously.

In another example, as shown in fig. 4, each air guide plate has an inclination angle of 30-75 degrees with the bottom plate in space, and in this structure, through the inclination angle structural design of each air guide plate, the entering gas can spirally rise in the furnace end, so as to ensure that the gas inlet effect meets the use requirement, and simultaneously ensure that the gas inlet flow meets the use requirement.

In a specific implementation, as shown in fig. 6, the heat exchanger further includes a square heat exchange assembly 13 fitted to the burner, and a gas collection assembly 14 disposed above the flue gas outlet of the heat exchange shell;

the square heat exchange component is configured into a heat exchange shell with a through type structure, a plurality of connecting lugs are arranged outside the heat exchange shell according to requirements to be matched with external equipment of the wall-mounted furnace to complete connection between structural parts, a first heat exchange water pipe is spirally embedded and arranged on the outer side wall of the heat exchange shell, a second heat exchange water pipe with a snake-shaped structure is arranged at the top of the heat exchange shell, the heat exchange shell with the through type structure acts on a heat absorption surface which is provided with four surrounding surfaces, heat generated by a combustion chamber is limited at the same time, heat loss is prevented, the heat conversion effect is poor, compared with the existing single plate type heat exchange structure design, the heat exchange shell has a larger heat exchange surface and a better heat exchange effect, the arrangement range of a heat exchange pipe is wider through the structure design, the heat exchange rate is faster, and meanwhile, the first heat exchange water pipe which spirally rises and the second heat exchange water pipe which is, the degree of matching between the heat exchange shell and the heat exchange shell is better, and the heat exchange effect is better;

one end of the first heat exchange water pipe is communicated with the heating water inlet pipe, the other end of the first heat exchange water pipe is communicated with the second heat exchange water pipe, and the first heat exchange water pipe is communicated with an external water supply equipment pipeline through the heating water inlet pipe so as to continuously output cold water to be heated to the heat exchange shell;

the free end of the second heat exchange water pipe is communicated with a heating water outlet pipe, and a condensed water outlet pipe is further arranged on the heat exchange shell according to needs and is communicated with external heating equipment through the heating water outlet pipe, so that heating is realized;

the inner side wall of the heat exchange shell is provided with a plurality of first heat exchange fins, the second heat exchange water pipes are connected into a whole through a plurality of matched second heat exchange fins so as to form a grid-shaped smoke outlet at the bottom of the heat exchange shell, in the structure, the heat exchange area is increased by arranging the matched heat exchange fins at different positions, and further the heat generated by combustion in a combustion chamber is collected and converted to achieve the heating effect, in the practical application, each heat exchange pipe can be arranged into a single pipe according to the requirement to realize single heating, a star-shaped pipe can also be arranged in the single pipe to further realize the requirement of heating and domestic hot water supply, the arrangement of each heat exchange fin can be designed according to the requirement, for example, the first heat exchange fins are longitudinally arranged or annularly arranged in the heat exchange shell, and the second heat exchange fins can be designed perpendicular to the second heat exchange pipes or can be designed at an inclined preset angle, the heat exchange shell, the heat exchange water pipes and the heat exchange fins are integrally formed by casting to form an integrated structure, in the scheme, a closed combustion space can be formed in the combustion chamber through the structural design of the heat exchange shell, so that the heat loss is less, the heat absorption is more sufficient through the fins and the water pipes arranged in the shell, so that the smoke is less, the heat exchange effect is better, the temperature rises more quickly during heating, the whole body of the heat exchanger is made of aluminum in the actual operation, the heat dissipation effect meets the use requirement, and the casting and forming technology of the heat exchange shell can select a casting mold matched with the requirement, such as a lost mold and the like, so as to obtain the integrated structure of the scheme, has better physical structure stability and water path tightness.

The gas collection assembly is configured to include:

the grid-shaped gas collecting plate is matched with the upper end of the heat exchange shell to allow the flue gas to penetrate out, is used for realizing the connection between the gas collecting hood and the heat exchange shell, realizes the outward release of the flue gas through a through grid groove arranged on the gas collecting hood, and controls the release amount at the same time;

the gas collecting hood with the conical structure is arranged above the gas collecting plate and used for collecting and converging the flue gas, and further communicated with a pipeline on external equipment through an exhaust pipe on the gas collecting hood to realize the emission of the flue gas;

the gas collecting device is connected with the heat exchange shell through screws so as to form an integrated structure, and compared with the prior art that a gas collecting assembly and a heat exchanger cannot be connected, the gas collecting device needs to be subpackaged again, and the matching degree between structural parts is better;

the gas collecting plate is provided with a plurality of third heat exchange fins which are staggered with the second heat exchange fins at the position matched with the flue gas outlet;

one side of each third heat exchange fin, which faces the heat exchange shell, is configured to be higher than the surface of the gas collecting plate;

each third heat exchange fin is provided with a plurality of arc-shaped limiting grooves matched with the second heat exchange water pipes on one side facing the heat exchange shell, in the structure, the structure of the gas collecting plate is further limited, so that the matching degree of the third heat exchange fins and the heat exchange shell is better, specifically, secondary heat collection is carried out on rising flue gas through the third heat exchange fins, and the second heat exchange fins are clamped on the second heat exchange water pipes through the arc-shaped limiting grooves, so that the second heat exchange fins can fully exchange heat with the second heat exchange water pipes, meanwhile, the second heat exchange fins can be seen as being penetrated through by the second heat exchange water pipes, so that the arc-shaped limiting grooves can be clamped on the second heat exchange water pipes, the third heat exchange fins and the second heat exchange fins are designed in a staggered mode in space, small gaps capable of arching flue gas protrusion are formed between the third heat exchange fins and the second heat exchange fins after combination, and the combustion effect and the flue gas output rate of the combustion chamber are further, The heat collection effect, the temperature in the discharged flue gas is lower, and the requirements of energy conservation and environmental protection are met.

Example (b):

mixed gas entering the combustor through the gas inlet pipe enters the furnace end through the gas guide plate to be secondarily mixed;

the secondarily mixed gas overflows out of the combustion chamber through the combustion holes to form a plurality of combustion surfaces, and then is fully combusted under the coordination of the ignition mechanism;

the heat exchange shell is matched with the combustor to form a relatively closed space so as to transmit heat generated by the combustion chamber to the first heat exchange water pipe and the second heat exchange water pipe through the matching of the enclosed first heat exchange fin and the top second heat exchange fin, so that the conversion of energy in the fireplace is completed;

the flue gas that produces in the combustion chamber overflows through the exhanst gas outlet, and then carries out heat secondary absorption through matched with gas collection board and gives the second heat transfer water pipe after, outwards discharges through the gas collecting channel.

The above scheme is merely illustrative of a preferred example, and is not limiting. When the utility model is implemented, the proper replacement and/or modification can be carried out according to the requirements of users.

The number of apparatuses and the scale of the process described here are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be apparent to those skilled in the art.

While embodiments of the invention have been disclosed above, it is not intended to be limited to the applications listed in the specification and the examples. It can be applicable to various and be fit for the utility model discloses a field completely. Additional modifications will readily occur to those skilled in the art. The invention is therefore not to be limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.

Claims

1. A burner for a wall-hanging stove is characterized by comprising:

a furnace end covered on the air guide plate;

the ignition mechanism is arranged on the outer side of the furnace end;

2. The burner for a wall hanging stove of claim 1, wherein the air guide plate is configured to include a bottom plate that is fitted with a defining plate;

wherein, the center of the bottom plate is provided with an air inlet;

3. The burner for a wall hanging stove as claimed in claim 2, wherein each of the air guide plates has an inclination angle of 30 to 75 degrees spatially from the bottom plate.