CN216953059U - Wall-mounted furnace and combustion device - Google Patents

Abstract

The application relates to the technical field of burners, and the embodiment of the application provides a wall-mounted furnace and a combustion device. The combustion apparatus includes a burner including a fire bank assembly. The combustion device is provided with a combustion chamber and an air inlet channel communicated with the combustion chamber, and the combustor is arranged in the combustion chamber. The air inlet channel is configured to direct air from either the front side or the rear side of the fire grate assembly into the bottom side of the fire grate assembly. Because air inlet channel can be the bottom side of arranging the assembly for arranging the assembly from the front side of fire row assembly or rear side fire with the air guide for the combustor receives the wind evenly, has improved the combustion effect of combustor.

Description

Wall-mounted furnace and combustion device

Technical Field

The application relates to the technical field of burners, in particular to a wall-mounted furnace and a combustion device.

Background

In the correlation technique, generally follow the fire row assembly left and right sides air inlet in the hanging stove, because fire row quantity is many, can make inlet channel's stroke length, the wind-force that the fire row at fire row assembly middle part received can attenuate, leads to the combustor burning insufficient.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a wall-hanging stove and a combustion apparatus to improve the combustion effect of the burner.

According to a first aspect of the present application, embodiments of the present application provide a combustion apparatus comprising a burner comprising a fire grate assembly; the combustion device is also provided with a combustion chamber and an air inlet channel communicated with the combustion chamber, and the combustor is arranged in the combustion chamber;

wherein the air intake channel is configured to direct air into the bottom side of the fire grate assembly from either the front side or the rear side of the fire grate assembly.

In the burner that this application embodiment provided, because air inlet channel can be with the air guide for the bottom side of following the front side of fire row assembly or rear side fire row assembly for the combustor receives the wind evenly, has improved the combustion effect of combustor.

In one embodiment, the combustion apparatus further comprises:

the combustor comprises a combustor shell, a burner and a gas-liquid separator, wherein the combustor shell limits a combustor, the burner is arranged in the combustor, and the bottom of the combustor shell is provided with an opening communicated with the combustor;

the air guide structure is connected with the bottom of the combustion chamber shell and is arranged at intervals with the fire grate assembly, the fire grate assembly is positioned at the opening, the air guide structure and the combustion chamber shell jointly define an air inlet and an air inlet channel, and the air inlet is communicated with the opening through the air inlet channel; the air inlet is positioned on the front side or the rear side of the fire grate assembly.

Therefore, the air guide structure is arranged below the bottom of the combustion chamber shell, so that an air inlet channel capable of guiding air to enter the bottom side of the fire grate assembly from the front side or the rear side of the fire grate assembly is formed, and the combustor is uniformly ventilated.

In one embodiment, the wind guiding structure includes:

a partition covering the opening; and

the air guide has first end and the second end of relative setting, the second end is connected the separator, the medial surface slope orientation of air guide the combustion chamber, first end with form between the preceding curb plate of combustion chamber casing the air intake.

So, form the air intake that can guide wind to get into from the front side of fire row assembly through setting up the air ducting, and make wind get together after getting into from the air intake.

In one embodiment, the separator includes:

the projection of the partition board on the plane where the opening is located covers the opening; and

and one of the two baffles is arranged on the left side of the combustor, and the other baffle is arranged on the right side of the combustor and used for covering the side openings of the left side and the right side of the combustor of the air inlet channel.

So, through setting up the structure that baffle and baffle combined together, prevent that wind from getting into from the side mouth of combustor left and right sides.

In one embodiment, each baffle plate is provided with a connecting end and an abutting end which are arranged oppositely, the connecting end of the baffle plate is connected with the bottom end of the combustion chamber shell, and the abutting end of the baffle plate abuts against the partition plate. Thus, a structure for preventing wind from entering from the side ports on the left and right sides of the burner can be obtained.

In one embodiment, the partition plate is provided with a convex hull protruding in a direction away from the combustion chamber. Therefore, enough space can be ensured below the burner to enable air to be uniformly distributed among all fire rows of the fire row assembly, and the supply of the burning air is ensured, so that the air can be fully burnt in the limited space.

In one embodiment, the burner further comprises a gas lance assembly disposed on the front side or the rear side of the fire grate assembly;

the gas injection pipe assembly comprises a gas injection pipe, the gas injection pipe is provided with a gas inlet, a plurality of gas distribution cavities and gas inlet channels communicated with the gas inlet are formed in the gas injection pipe, and each gas distribution cavity is provided with a gas outlet and a gas inlet communicated with the gas inlet channel; the gas injection pipe is provided with a plurality of electromagnetic valves which are arranged corresponding to the gas inlet holes one by one, and the electromagnetic valves are respectively used for controlling the on-off between the gas distribution cavities and the gas inlet channel;

and the fire grate assembly is provided with a plurality of injection holes which are arranged opposite to the gas outlets one by one.

So, through the combustor that sets up the sectional type burning for the hanging stove is whole to obtain a higher heat load ratio, obtains more comfortable bathroom and experiences.

According to a second aspect of the present application, an embodiment of the present application provides a wall-hanging stove, including the above-mentioned combustion apparatus; the combustion apparatus further comprises a combustion chamber housing defining the combustion chamber; a fluid outlet is arranged on the top of the combustion chamber shell;

the wall-mounted furnace also comprises a fan and a condensation heat exchanger which are arranged at the top of the combustion chamber shell, wherein an input port of the fan is communicated with the fluid outlet, an output port of the fan is communicated with a flue gas inlet of the condensation heat exchanger, and a flue gas outlet of the condensation heat exchanger is communicated with a smoke outlet of the wall-mounted furnace;

the bottom of a cigarette outlet box of the condensation heat exchanger is provided with an inclined avoiding portion used for avoiding the fan, and the outer side wall of the inclined avoiding portion inclines towards the fan. In this way, the arrangement of the fan and the condensing heat exchanger can be made more compact.

In one embodiment, the wall-hanging stove further comprises an outer shell housing the combustion chamber shell and the air guiding structure;

and the inner wall of the outer shell and the outer wall of the combustion chamber shell define an induced air channel communicated with the air inlet channel.

So, can obtain the induced air passageway with inlet air channel intercommunication, realize the air inlet.

In one embodiment, the wall-hanging stove further comprises a waterway valve body assembly for providing water;

the water path valve body assembly comprises a plate type heat exchanger, a water inlet valve body connected with the water inlet end of the plate type heat exchanger, a water outlet valve body connected with the water outlet end of the plate type heat exchanger and a side-inserted circulating water pump connected with the water inlet valve body. Therefore, due to the use of the side-inserted circulating water pump, the overall width of the water way valve body assembly is reduced, the water way valve body assembly is convenient to disassemble and assemble, and the installation space can be saved.

Additional aspects and advantages of embodiments of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of embodiments of the present application.

Drawings

Fig. 1 is an exploded view of a wall-hanging stove according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a wall-hanging stove at a first viewing angle according to an embodiment of the present disclosure;

fig. 3 is a schematic structural diagram of a wall-hanging stove at a second viewing angle according to an embodiment of the present disclosure;

FIG. 4 is a schematic exploded view of a combustion device in accordance with one embodiment of the disclosed embodiments;

FIG. 5 is a schematic structural view of a combustion apparatus according to an embodiment of the present disclosure;

FIG. 6 is a schematic side view of the embodiment of the present application in FIG. 5;

FIG. 7 is a schematic view of a combustor in one embodiment of an embodiment of the present application;

FIG. 8 is a schematic structural view of a fan and a condensing heat exchanger assembled together according to an embodiment of the related art;

fig. 9 is a schematic partial structure view of a wall-hanging stove according to an embodiment of the present disclosure;

FIG. 10 is a schematic structural view of a fan and a condensing heat exchanger assembled together in one embodiment of an embodiment of the present application;

FIG. 11 is a schematic view of the flow of flue gas in a condensing heat exchanger according to an embodiment of the present disclosure;

FIG. 12 is a schematic diagram of a water circuit valve body assembly according to an embodiment of the related art;

FIG. 13 is a schematic diagram of a water circuit valve assembly according to an embodiment of the present disclosure;

fig. 14 is a schematic structural diagram of a waterway valve body assembly with a circulating water pump in an implementation manner of an embodiment of the present application.

Simple description of the reference symbols:

the burner 100, the fire row assembly 110, the gas injection pipe assembly 120, the gas injection pipe 121, the gas inlet 1211, the gas distribution cavity 1212, the gas inlet channel 1213, the gas outlet 1214, the gas inlet 1215 and the electromagnetic valve 122;

a combustor casing 200, an opening 210, a fluid outlet 220, an insulated casing 230;

the air guide structure 300, the partition 310, the partition 311, the convex hull 3111, the baffle 312, the connecting end 3121, the abutting end 3122, the air guide 320, the first end 321, and the second end 322;

a fan 400;

the condensation heat exchanger 500 and the inclined avoiding portion 510;

an outer case 600;

the water way valve body assembly 700, the plate heat exchanger 710, the water inlet valve body 720, the water outlet valve body 730 and the circulating water pump 740;

an expansion tank 800;

the air inlet channel a, the air inlet p and the induced air channel b;

a first direction x.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying figures are described in detail below. In the following description, numerous specific details are set forth to provide a thorough understanding of embodiments of the present application. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application. The embodiments of this application can be implemented in many different ways than those described herein and similar modifications can be made by those skilled in the art without departing from the spirit of the utility model and therefore the embodiments of this application are not limited to the specific embodiments disclosed below.

It is to be understood that the terms "first," "second," and the like as used herein may be used herein to describe various terms of art, and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features being indicated. However, these terms are not intended to be limiting unless specifically stated. These terms are only used to distinguish one term from another. For example, the first end and the second end are different ends without departing from the scope of the present application. In the description of the embodiments of the present application, "a plurality" or "a plurality" means at least two, e.g., two, three, etc., unless specifically defined otherwise.

In the description of the embodiments of the present application, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the embodiments of the present application can be understood by those of ordinary skill in the art according to specific situations.

In the description of the embodiments of the present application, unless otherwise explicitly specified or limited, a first feature "on" or "under" a second feature may be directly contacting the first and second features, or the first and second features may be indirectly contacting each other through intervening media. Also, a first feature "on," "above," and "over" a second feature may mean that the first feature is directly above or obliquely above the second feature, or that only the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely below the second feature, or may simply mean that the first feature is at a lesser level than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application in the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

At present, delicate and small wall-mounted furnaces are favored more and more in the market, so that various accessories in the wall-mounted furnaces need to be matched in a compact structure, and the requirement difficulty for ensuring the performance of the whole machine is correspondingly increased. In order to meet the requirements of small size and qualified performance of the wall-mounted boiler in the related art, the wall-mounted boiler is basically designed by adopting accessories with small structural size, so that the actual output power of the wall-mounted boiler is small, and the thermal efficiency is correspondingly low. In addition, the wall-mounted boiler of the type can only meet the use requirements of users of small house types, but can not meet the use requirements of users of medium house types which are in the mainstream. In other related art, air is typically supplied to the wall-hanging stove from both the left and right sides of the fire grate assembly. The inventor of the application notices, among this kind of air inlet mode, the wind-force that the fire row at fire row assembly middle part received can attenuate, leads to the combustor burning insufficient, for realizing the combustor abundant burning, needs arrange the air inlet opening grow of assembly left and right sides with the fire, leads to the whole size grow of hanging stove, can't satisfy the user demand to hanging stove small and exquisite.

Fig. 1 is a schematic diagram illustrating an explosion structure of a wall-hanging stove according to an embodiment of the present disclosure; fig. 2 is a schematic structural diagram of a wall-hanging stove at a first viewing angle in one embodiment of an embodiment of the present application; fig. 3 shows a schematic structural diagram of a wall-hanging stove at a second viewing angle in an implementation manner of an embodiment of the present application; for convenience of explanation, only portions related to the embodiments of the present application are shown.

For ease of understanding, as shown in FIG. 1, the top of the drawing sheet is defined as top, the bottom of the drawing sheet is defined as bottom, the left side of the drawing sheet is defined as left-hand side outward, the right side of the drawing sheet is defined as right-hand side inward, the left side of the drawing sheet is defined as back, and the right side of the drawing sheet is defined as front outward. Subsequent figures follow the definitions of fig. 1. It is to be understood that the above definitions are for illustration purposes only and are not to be construed as limitations of the present application.

Referring to fig. 1 to 3, an embodiment of the present application provides a combustion apparatus for a wall-hanging stove, the combustion apparatus includes a burner 100, the burner 100 includes a fire grate assembly 110, the fire grate assembly 110 includes a bracket and a plurality of fire grates (not shown) spaced along a first direction x (i.e., a left-right direction illustrated in fig. 1 to 3), and the fire grates are disposed on the bracket (not shown). The combustion device is also provided with a combustion chamber and an air inlet channel a communicated with the combustion chamber. Wherein the air inlet channel a is configured to guide air from the front or rear side of the fire grate assembly 110 into the bottom side of the fire grate assembly 110. It should be noted that fig. 1 to 3 are taken as examples, and fig. 1 to 3 illustrate the case where air is introduced from the front side of the fire grate assembly 100.

In the above combustion apparatus, since the air inlet channel a can guide air to enter the bottom side of the fire grate assembly 110 from the front side or the rear side of the fire grate assembly 110, the burner 100 receives air uniformly, which not only can improve the combustion effect of the burner, but also can make the structure of the wall-hanging stove compact and reduce the size of the wall-hanging stove.

FIG. 4 illustrates an exploded view of a combustion device in one embodiment of an embodiment of the present application;

FIG. 5 is a schematic view showing a structure of a combustion apparatus in one embodiment of an embodiment of the present application; FIG. 6 shows a side view schematic of FIG. 5 in an embodiment of the present application; for convenience of explanation, only portions related to the embodiments of the present application are shown.

In some embodiments, with continued reference to fig. 4 to 6, the combustion apparatus further includes a combustion chamber housing 200 and a wind guiding structure 300. The combustion chamber housing 200 defines a combustion chamber in which the burner 100 is disposed, and the bottom of the combustion chamber housing 200 is provided with an opening 210 communicating with the combustion chamber. Air guide structure 300 is connected and arranges the interval with the fire with the bottom of combustion chamber casing 200 and sets up, and the fire is arranged and is located opening 210 department, and air intake p and inlet air passageway a are injectd jointly to air guide structure 300 and combustion chamber casing 200, and air intake p passes through inlet air passageway a and opening 210 intercommunication, and air intake p is located the front side or the rear side of fire row assembly 110. In this way, by providing the air guide structure 300 below the bottom of the combustion chamber housing 200, an air inlet channel a is formed that can guide air from the front side or the rear side of the fire grate assembly 110 into the bottom side of the fire grate assembly 110, so that the burner 100 receives air uniformly.

In some embodiments, with continued reference to fig. 4 to fig. 6, the wind guiding structure 300 includes a partition 310 and a wind guiding member 320. The partition 310 covers the opening 210. The air guide 320 has a first end 321 and a second end 322 which are oppositely arranged. Second end 322 of air guide 320 is connected to partition 310. The inner side of the air guide 320 is inclined toward the combustion chamber, and an air inlet p is formed between the first end 321 and the front side plate of the combustion chamber housing 200. In this way, the air guide 320 is provided to form the air inlet p which can guide the air to enter from the front side of the fire grate assembly 110, and the air can be gathered after entering from the air inlet p.

In some embodiments, with continued reference to fig. 4-6, the divider 310 includes a baffle 311 and two baffles 312. The projection of the partition 311 on the plane of the opening 210 covers the opening 210. One of the two baffles 312 is disposed on the left side of the burner 100, and the other is disposed on the right side of the burner 100 for covering the side openings of the air inlet channel a on the left and right sides of the burner 100. In this way, the structure in which the baffle 312 and the partition 311 are coupled prevents wind from entering from the side ports on the left and right sides of the combustor 100. In some embodiments, each baffle 312 has a connecting end 3121 and an abutting end 3122, the connecting end 3121 of the baffle 312 is connected to the bottom end of the combustor casing 200, and the abutting end 3122 of the baffle 312 abuts against the partition 311. In this way, a structure for preventing wind from entering from the side ports on the left and right sides of the combustor 100 can be obtained. At the same time, the partition 311 may also insulate to protect components located below the combustor casing 200. The shape of the two baffles 312 may be the same or different, and the shape of the two baffles 312 may be designed according to the structures of the combustor 100 and the combustor casing 200, as long as the requirement of preventing wind from entering from the left and right sides of the combustor 100 is met, which is not specifically limited in the embodiment of the present application.

In some embodiments, with continued reference to fig. 4 and 6, the partition 311 is provided with a convex hull 3111 that projects in a direction away from the combustion chamber (i.e., in a downward direction as illustrated in fig. 4-6). That is, the convex hull 3111 is formed with a space below the burner 100, so that a sufficient space is secured below the burner 100 to allow air to be uniformly distributed between the fire rows of the burner 100, and the supply of air for combustion is secured to ensure sufficient combustion in a limited space.

FIG. 7 is a schematic view of a combustor 100 in one embodiment of an embodiment of the present application; for convenience of explanation, only portions related to the embodiments of the present application are shown.

In some embodiments, as shown in FIG. 7, the combustor 100 further includes a gas lance assembly 120 disposed on the front or rear side of the fire bank assembly 110. The gas injection tube assembly 120 comprises a gas injection tube 121, wherein the gas injection tube 121 is provided with a gas inlet 1211, the gas injection tube 121 is internally provided with a plurality of gas distribution cavities 1212 and gas inlet channels 1213 communicated with the gas inlet 1211, and each gas distribution cavity 1212 is provided with a gas outlet 1214 and a gas inlet 1215 communicated with the gas inlet channels 1213; a plurality of electromagnetic valves 122 which are arranged corresponding to the air inlet holes 1215 one by one are installed on the air injection pipe 121, and each electromagnetic valve 122 is respectively used for controlling the on-off between each gas distribution cavity 1212 and the air inlet channel 1213. The fire row assembly 110 is provided with a plurality of injection holes (not shown) which are arranged opposite to the air outlets 1214 one by one. Like this, through setting up combustor 100 of sectional type burning for the hanging stove is whole obtains a higher heat load ratio, obtains more comfortable bathroom and experiences.

In some embodiments, with continued reference to fig. 4 to 6, the wall-hanging stove further includes an outer casing 600 accommodating the combustion chamber casing 200 and the air guiding structure 300. The inner wall of the outer case 600 and the outer wall of the combustion chamber case 200 define an induced air passage b communicating with the intake air passage a. Therefore, an induced air channel b communicated with the air inlet channel a can be obtained, and air inlet is realized.

The flow of some fluids within the combustion device will now be described with reference to the foregoing embodiments. Referring to fig. 4 to 6, after the introduced air enters the induced air channel b, the introduced air flows downward along the left and right sides of the combustion chamber housing 200, and is blocked by the two baffles 312 and the partition 311, so that the air is divided reasonably, a small portion of the air enters from the opening 210 of the air injection pipe 121 at the front side of the fire grate assembly 110, so as to ensure the supply of the primary air for combustion, and a large portion of the air enters from the front side of the fire grate assembly 110, and because the partition 311 has the downward convex bulge 3111, it is ensured that the air has enough space below the fire grate assembly 110 to enable the air to be uniformly distributed among the fire grates, so as to ensure the supply of the secondary air for combustion, so that the secondary air for combustion is ensured to be sufficiently combusted in the limited space. The flue gas after combustion is heat exchanged by a main heat exchanger (not shown) located above the burner 100 assembly, and then discharged from above the combustion chamber housing 200.

Fig. 8 is a schematic structural view illustrating a fan 400 and a condensing heat exchanger 500 assembled together in one embodiment of the related art; fig. 9 is a partial schematic structural view of a wall-hanging stove according to an embodiment of the present disclosure; fig. 10 is a schematic structural view illustrating a fan 400 and a condensing heat exchanger 500 assembled together in one embodiment of an embodiment of the present application; FIG. 11 illustrates a schematic flow diagram of flue gas within a condensing heat exchanger 500 in one embodiment of an embodiment of the present application; for convenience of explanation, only portions related to the embodiments of the present application are shown.

Referring to fig. 8, through further research by the present inventors, it is found that, in the related art, when the fan 400 and the condensing heat exchanger 500 are assembled together, a large installation space is required to prevent interference between the casing of the fan 400 and the casing of the condensing heat exchanger 500, which may result in an increase in the overall volume of the wall-hanging stove.

Based on the same inventive concept, please refer to fig. 9 and 10 in combination with fig. 3 and 5, an embodiment of the present application further provides a wall-hanging stove, which includes the combustion apparatus in the above embodiment. In the wall-hanging stove, a fluid outlet 220 communicating with the combustion chamber is provided on the top of the combustion chamber housing 200. The wall-mounted furnace further comprises a fan 400 and a condensation heat exchanger 500 which are arranged at the top of the combustion chamber shell 200, an input port of the fan 400 is communicated with the fluid outlet 220, an output port of the fan 400 is communicated with a flue gas inlet of the condensation heat exchanger 500, and a flue gas outlet of the condensation heat exchanger 500 is communicated with a smoke outlet (not shown) of the wall-mounted furnace. An inclined avoiding portion 510 for avoiding the fan 400 is arranged at the bottom of the cigarette discharging box of the condensing heat exchanger 500, and the outer side wall of the inclined avoiding portion 510 inclines towards the fan 400. In this way, the arrangement of the fan 400 and the condensing heat exchanger 500 can be made more compact. As shown in fig. 10 and 11, after entering the condensing heat exchanger 500 from the flue gas inlet of the condensing heat exchanger 500, the flue gas is discharged from the flue gas outlet of the condensing heat exchanger 500 and is discharged to the outside through the smoke outlet of the wall-hanging furnace. In some embodiments, the heat exchange structure in the condensing heat exchanger 500 is a stainless steel corrugated tube heat exchange assembly, which is relatively low in cost, corrosion-resistant, and capable of ensuring high heat exchange rate and having a reasonable flue gas flow path.

FIG. 12 is a schematic diagram of a water circuit valve body assembly 700 according to an embodiment of the related art; FIG. 13 is a schematic diagram of a water circuit valve assembly 700 in an embodiment of the present application; fig. 14 is a schematic structural diagram of a waterway valve body assembly 700 with a circulating water pump 740 installed in an embodiment of the present application; for convenience of explanation, only portions related to the embodiments of the present application are shown.

Referring to fig. 12, the inventor of the present application further found that, in the related art, a rear-inserted waterway valve body assembly 700 is generally used. However, such a structure requires a large installation space, which results in an increase in the overall volume of the wall-hanging stove.

In some embodiments, referring to fig. 13 and 14 in combination with fig. 2, the wall-hanging stove further includes a waterway valve assembly 700 for providing water. The waterway valve body assembly 700 comprises a plate type heat exchanger 710, a water inlet valve body 720 connected with the water inlet end of the plate type heat exchanger 710, a water outlet valve body 730 connected with the water outlet end of the plate type heat exchanger 710, and a side-inserted circulating water pump 740 connected with the water inlet valve body 720. Thus, due to the use of the side-inserted circulating water pump 740, the overall width of the waterway valve body assembly 700 is reduced, the waterway valve body assembly 700 is convenient to disassemble and assemble, and the installation space can be saved. Meanwhile, the plate heat exchanger 710 is adopted, so that the situation that a hard water quality area is blocked due to scaling can be avoided.

In some embodiments, with continued reference to fig. 1 and fig. 2, the wall-hanging stove further includes an expansion tank 800, the expansion tank 800 is disposed between the outer shell 600 and the side wall of the combustion chamber shell 200, and the expansion tank 800 is elongated and arranged up and down, so as to further reduce the width of the whole wall-hanging stove in the left-right direction.

In some embodiments, with continued reference to fig. 4, a heat insulation casing 230 is further disposed inside the combustor casing 200, and the shape of the heat insulation casing 230 is adapted to the shape of the combustor casing 200, so as to ensure heat concentration and heat insulation of the combustion.

To sum up, the hanging stove that this application embodiment provided, small, compact structure and reasonable in distribution, the thermal efficiency is higher. Due to the reasonable internal structure, the output of power and high heat efficiency are ensured, meanwhile, the whole volume of the wall-mounted furnace is reduced, the installation of the whole machine in a limited space is facilitated, the transportation cost is saved, the energy conservation and the pollution emission reduction are realized, and the wall-mounted furnace is more suitable for being installed and used in various medium and small family families.

All possible combinations of the technical features in the above embodiments may not be described for the sake of brevity, but should be considered as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A combustion apparatus, comprising a burner (100), said burner (100) comprising a fire grate assembly (110); the combustion device is also provided with a combustion chamber and an air inlet channel (a) communicated with the combustion chamber, and the combustor (100) is arranged in the combustion chamber;

wherein the air intake channel (a) is configured to guide air from a front or rear side of the fire grate assembly (110) into a bottom side of the fire grate assembly (110).

2. The combustion apparatus of claim 1, further comprising:

a combustion chamber housing (200), wherein the combustion chamber housing (200) limits the combustion chamber, and the bottom of the combustion chamber housing (200) is provided with an opening (210) communicated with the combustion chamber;

the air guide structure (300) is connected with the bottom of the combustion chamber shell (200) and is arranged at intervals with the fire grate assembly (110), the fire grate assembly (110) is located at the position of the opening (210), the air guide structure (300) and the combustion chamber shell (200) jointly define an air inlet (p) and an air inlet channel (a), and the air inlet (p) is communicated with the opening (210) through the air inlet channel (a); the air inlet (p) is positioned on the front side or the rear side of the fire grate assembly (110).

3. A combustion device according to claim 2, wherein said air guiding structure (300) comprises:

a partition (310), wherein the partition (310) is arranged on the opening (210) in a covering manner; and

air guide (320), air guide (320) have relative first end (321) and second end (322) that set up, second end (322) are connected divider (310), the medial surface slope orientation of air guide (320) the combustion chamber, first end (321) with form between the preceding curb plate of combustion chamber casing (200) air intake (p).

4. A combustion device according to claim 3, characterized in that the partition (310) comprises:

a partition (311), wherein a projection of the partition (311) on a plane where the opening (210) is located covers the opening (210); and

and one of the two baffles (312) is arranged on the left side of the combustor (100), and the other baffle is arranged on the right side of the combustor (100) and is used for covering side openings of the air inlet channel (a) on the left side and the right side of the combustor (100).

5. A burner apparatus according to claim 4, wherein each of the baffles (312) has a connecting end (3121) and an abutting end (3122) which are oppositely disposed, the connecting end (3121) of the baffle (312) is connected to a bottom end of the combustor casing (200), and the abutting end (3122) of the baffle (312) abuts against the diaphragm (311).

6. A burner arrangement according to claim 5, characterised in that the partition (311) is provided with a convex hull (3111) projecting in a direction away from the combustion chamber.

7. The combustion apparatus as claimed in any one of claims 1 to 6, wherein the burner (100) further comprises a gas lance assembly (120) provided at a front side or a rear side of the fire grate assembly (110);

the gas ejector assembly (120) comprises a gas ejector pipe (121), wherein a gas inlet (1211) is formed in the gas ejector pipe (121), a plurality of gas distribution cavities (1212) and gas inlet channels (1213) communicated with the gas inlet (1211) are formed in the gas ejector pipe (121), and a gas outlet (1214) and gas inlet holes (1215) communicated with the gas inlet channels (1213) are formed in each gas distribution cavity (1212); a plurality of electromagnetic valves (122) which are arranged corresponding to the air inlet holes (1215) one by one are arranged on the gas injection pipe (121), and each electromagnetic valve (122) is respectively used for controlling the on-off between each gas distribution cavity (1212) and the air inlet channel (1213);

the fire grate assembly (110) is provided with a plurality of injection holes which are arranged opposite to the air outlets (1214) one by one.

8. A fireplace, characterized by comprising a combustion device according to any one of claims 1 to 7; the combustion apparatus further comprises a combustion chamber housing (200), the combustion chamber housing (200) defining the combustion chamber; a fluid outlet (220) communicated with the combustion chamber is arranged on the top of the combustion chamber shell (200);

the wall-mounted furnace further comprises a fan (400) and a condensation heat exchanger (500) which are arranged at the top of the combustion chamber shell (200), wherein an input port of the fan (400) is communicated with the fluid outlet (220), an output port of the fan (400) is communicated with a flue gas inlet of the condensation heat exchanger (500), and a flue gas outlet of the condensation heat exchanger (500) is communicated with a smoke outlet of the wall-mounted furnace;

an inclined avoiding portion (510) used for avoiding the fan (400) is arranged at the bottom of a cigarette outlet box of the condensation heat exchanger (500), and the outer side wall of the inclined avoiding portion (510) inclines towards the fan (400).

9. The wall hanging stove according to claim 8, characterized in that the bottom of the combustion chamber housing (200) is provided with an opening (210) communicating with the combustion chamber;

the combustion device further comprises a wind guide structure (300): the air guide structure (300) is connected with the bottom of the combustion chamber shell (200) and is arranged at intervals with the fire grate assembly (110), the fire grate assembly (110) is located at the opening (210), the air guide structure (300) and the combustion chamber shell (200) jointly define an air inlet (p) and an air inlet channel (a), and the air inlet (p) is communicated with the opening (210) through the air inlet channel (a); the air inlet (p) is positioned on the front side or the rear side of the fire grate assembly (110);

the wall-mounted stove further comprises an outer shell (600) accommodating the combustion chamber shell (200) and the air guiding structure (300);

the inner wall of the outer shell (600) and the outer wall of the combustion chamber shell (200) define an induced air channel (b) communicated with the air inlet channel (a).

10. The wall hanging stove according to claim 8, further comprising a waterway valve body assembly (700) to provide water;

the waterway valve body assembly (700) comprises a plate type heat exchanger (710), a water inlet valve body (720) connected with the water inlet end of the plate type heat exchanger (710), a water outlet valve body (730) connected with the water outlet end of the plate type heat exchanger (710) and a side-inserted circulating water pump (740) connected with the water inlet valve body (720).

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