CN223985355U - wall-hung boiler - Google Patents

Abstract

The utility model relates to the technical field of wall-mounted furnaces, and particularly discloses a wall-mounted furnace, which comprises a shell, wherein an air inlet joint and a smoke discharging joint are arranged on a top plate of the shell, a water collecting disc is arranged in the shell opposite to the air inlet joint and used for collecting water flowing into the shell from the air inlet joint. The water collecting tray includes a water discharge portion, and water discharged from the water discharge portion flows toward an inner wall of the shroud of the housing and downward along the shroud. According to the wall-mounted boiler, water in the water collecting disc is discharged along the coaming of the shell through the water collecting disc water discharging part, a water discharging pipe is not required, and the wall-mounted boiler is simple in structure and convenient to install.

Description

Wall-mounted boiler

Technical Field

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

Background

The wall-mounted boiler is a water heater taking natural gas as energy, has a powerful household heating function, and is gradually popular with people.

Generally, an air inlet pipe and a smoke exhaust pipe of the wall-mounted furnace are coaxially arranged and extend to the outside, air enters the wall-mounted furnace through the air inlet pipe, and smoke is exhausted through the smoke exhaust pipe. Outdoor rainwater or condensed water formed between the air inlet pipe and the smoke exhaust pipe can flow into the air inlet pipe, and possibly flow back into the shell of the wall-mounted furnace along the air inlet pipe, so that components of the wall-mounted furnace are damaged, and the use safety of the wall-mounted furnace is even affected. The wall-mounted boiler is provided with the water collecting tray in the prior art to collect water flowing back into the wall-mounted boiler shell from the air inlet pipe, the bottom or the side part of the water collecting tray is usually connected with the drain pipe, and the water collecting tray is used for discharging water in the water collecting tray and avoiding water flowing to components in the wall-mounted boiler. But the installation structure of the water collecting disc of the existing connecting drain pipe is complex and has high cost.

For this reason, it is necessary to propose a wall-mounted boiler which solves at least one of the above problems.

Disclosure of utility model

Aiming at the defects existing in the prior art, the wall-mounted furnace is provided in the embodiment of the specification, the water collecting disc can be conveniently installed, the structure is simple, and the cost is saved.

The specific technical scheme of the embodiment of the specification is as follows:

A wall-mounted boiler, the wall-mounted boiler comprising:

the shell comprises a top plate, wherein an air inlet connector and a smoke exhaust connector are arranged on the top plate;

the heat exchanger is arranged in the shell, the smoke discharging part of the heat exchanger is connected with the first end of the smoke discharging connector, and the second end of the smoke discharging connector is used for being connected with the smoke discharging pipe;

the water collecting disc is arranged in the shell and is opposite to the air inlet joint, the water collecting disc is used for collecting water flowing into the shell from the air inlet joint, and the part of the air inlet joint, which is positioned outside the shell, is connected with the air inlet pipe;

The housing further includes a shroud extending up and down, and the water collecting tray includes a drain portion, and water discharged from the drain portion flows toward an inner wall of the shroud and downward along the shroud.

In one embodiment, the air inlet joint and the smoke exhaust joint are coaxially arranged, the air inlet joint is sleeved outside the smoke exhaust joint, a perforation is arranged on the water collecting disc, a part of the smoke exhaust joint extending into the shell penetrates through the perforation, and the water collecting disc is opposite to a gap between the air inlet joint and the smoke exhaust joint, and water flowing into the shell from the gap flows to the water collecting disc.

In one embodiment, the coaming comprises a back plate, the outer wall of the back plate is opposite to the wall surface, the water drainage part of the water collection disc is opposite to the inner wall of the back plate, water discharged from the water drainage part flows to the inner wall of the back plate, and a flow guide structure is arranged on the inner wall of the back plate.

In one embodiment, a sealing structure is provided between the smoke evacuation connector and the perforation.

In one embodiment, the perforated edge extends upwards to form a surrounding edge, the surrounding edge comprises a first extending section, a second extending section and a third extending section, the first extending section extends upwards from the perforated edge, the second extending section extends upwards from the upper edge of the first extending section towards the middle of the perforation, the third extending section extends upwards from the inner edge of the second extending section, and the sealing structure comprises an n-shaped section surrounding the upper edge of the third extending section and a C-shaped section extending downwards to the bottom of the second extending section along the inner side of the third extending section.

In one embodiment, the water collection tray includes a bottom wall and a side wall protruding toward the top plate, the side wall and the bottom wall being integrally formed and forming a water collection groove.

In one embodiment, the side wall is provided with at least one connecting portion, and the water collecting tray is fixed on the inner side of the top plate through the connecting portion.

In one embodiment, the side wall comprises at least one straight edge section, the drainage part is arranged on the straight edge section, the straight edge section is arranged close to the coaming, and a gap is reserved between the straight edge section of the water collecting disc and the coaming, so that water discharged by the drainage part can flow downwards along the coaming.

In one embodiment, the drain is a notch or aperture formed in the side wall, the aperture or notch facing the inner wall of the shroud.

In one embodiment, the wall-mounted boiler comprises a bottom shell connected with the back plate, a drainage gap is arranged between the back plate and the bottom shell, an installation boss is arranged at the upper part of the bottom shell, and parts of the wall-mounted boiler are installed on the boss.

The technical scheme of the specification has the following remarkable beneficial effects:

according to the wall-mounted furnace provided by the embodiment of the application, the water collecting tray is fixed close to the backboard by arranging the water draining part on the side wall of the water collecting tray, the water draining part faces the backboard and an overflow gap is arranged between the water draining part and the backboard, when water in the water collecting tray exceeds the lowest point of the water draining part, the water flows out from the water draining part and flows downwards along the backboard, the water does not pass through components in the shell of the wall-mounted furnace, the use safety of the wall-mounted furnace is ensured, a drain pipe is not required to be arranged for draining, the water collecting tray is simple in structure and low in cost, and the water collecting tray is directly fixed on the roof again, so that the installation is simple.

Specific embodiments of the utility model are disclosed in detail below with reference to the following description and drawings, indicating the manner in which the principles of the utility model may be employed. It should be understood that the embodiments of the utility model are not limited in scope thereby. Features that are described and/or illustrated with respect to one embodiment may be used in the same way or in a similar way in one or more other embodiments in combination with or instead of the features of the other embodiments.

It should be emphasized that the term "comprises/comprising" when used herein is taken to specify the presence of stated features, components, steps, or groups, but does not preclude the presence or addition of one or more other features, components, steps, or groups.

Drawings

The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, proportional sizes, and the like of the respective components in the drawings are merely illustrative for aiding in understanding the present utility model, and are not particularly limited. Those skilled in the art with access to the teachings of the present utility model can select a variety of possible shapes and scale sizes to practice the present utility model as the case may be. In the drawings:

Fig. 1 is a sectional view of an internal structure of a wall-mounted boiler according to an embodiment of the present application.

Fig. 2 is a partial enlarged view at a in fig. 1.

Fig. 3 is a schematic structural diagram of a top and a part of a shell of a wall-mounted boiler according to an embodiment of the present application.

Fig. 4 is a schematic structural view of a water collecting tray of a wall-mounted boiler according to an embodiment of the present application.

Fig. 5 is a schematic view of an internal structure of a front cover of a wall-mounted boiler according to an embodiment of the present application.

The reference numerals of the application:

1. A wall-mounted furnace;

10. a water collecting tray; 101, a bottom wall, 102, a side wall, 103, a drainage part, 104, a connecting part, 105, a straight edge section, 106 and a perforation;

107. the device comprises a surrounding edge, 1071, a first extension section, 1072, a second extension section, 1073 and a third extension section;

20. the sealing structure comprises a sealing structure, a 201, an n-type section, a 202, a C-type section;

30. A top plate;

40. A joint; 401, smoke discharging joints, 402, air inlet joints;

50. A smoke exhaust pipe;

60. An air inlet pipe;

70. 701, smoke exhaust part;

80. 801 a flow guiding structure;

90. A bottom shell, 901, a mounting boss, 902, and a drainage gap;

100. Housing 1001, coaming.

Detailed Description

The principles and spirit of the present specification will be described below with reference to several exemplary embodiments. It should be understood that these embodiments are presented merely to enable one skilled in the art to better understand and practice the present description, and are not intended to limit the scope of the present description in any way. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

The details of the utility model will be more clearly understood in conjunction with the accompanying drawings and description of specific embodiments of the utility model. The specific embodiments of the utility model described herein are for purposes of illustration only and are not to be construed as limiting the utility model in any way. Given the teachings of the present utility model, one of ordinary skill in the related art will contemplate any possible modification based on the present utility model, and such should be considered to be within the scope of the present utility model. It will be understood that when an element is referred to as being "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. The terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, may be in communication with each other in two elements, may be directly connected, or may be indirectly connected through an intermediary, and the specific meaning of the terms may be understood by those of ordinary skill in the art in view of the specific circumstances. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

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 specification belongs. The terminology used herein in the description is for the purpose of describing particular embodiments only and is not intended to be limiting of the description. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The application provides a wall-mounted boiler, which is provided with a water collecting disc with simple structure, lower cost and simple installation.

Referring to fig. 1, 4 and 5, in an embodiment of the present disclosure, a wall-mounted boiler 1 is provided, where the wall-mounted boiler 1 includes a housing 100, the housing 100 includes a top plate 30, an air inlet joint 402 and a smoke discharging joint 401 are disposed on the top plate 30, a heat exchanger 70 disposed inside the housing 100, a smoke discharging portion 701 of the heat exchanger 70 is connected to a first end of the smoke discharging joint 401, a second end of the smoke discharging joint 401 is connected to a smoke discharging tube 50, a water collecting tray 10 disposed in the housing 100 and opposite to the air inlet joint 402 is used for collecting water flowing into the housing 100 from the air inlet joint 402, a portion of the air inlet joint 402 located outside the housing 100 is connected to the air inlet pipe 60, the housing 100 further includes a shroud 1001 extending up and down, and the water collecting tray 10 includes a drainage portion 103, and water discharged from the drainage portion 103 flows to an inner wall of the shroud 1001 and flows down the shroud 1001.

According to the wall-mounted boiler 1 provided by the embodiment of the application, the air inlet joint 402 and the smoke discharging joint 401 are arranged on the top plate 30 of the shell 100 and are used for connecting the air inlet pipe 60 and the smoke discharging pipe 50 from the upper part of the top plate 30, the heat exchanger 70 is arranged in the shell 100, the smoke discharging part 701 of the heat exchanger 70 is connected with the first end of the smoke discharging joint 401, namely the smoke discharging joint 401 is arranged on the top plate 30, the part, extending into the shell 100, of the smoke discharging joint 401, which is positioned at the outer part of the shell 100 (namely the part at the upper part of the top plate 30) is connected with the smoke discharging pipe 50, the part, facing the inner part of the shell 100, of the air inlet joint 402 arranged on the top plate 30 is relatively provided with the water collecting disc 10, the water flowing into the lower part of the air inlet joint 402 through the air inlet joint 402 can be collected in the water collecting disc 10 and cannot flow to other parts in the shell 100, especially electrified parts, so as to ensure the running safety of the boiler 1, the part, which is positioned at the outer part 103 of the shell 100 (namely the part 103, which is positioned at the inner part of the shell 100 and cannot flow into the inner part 1001 of the shell 100, and cannot flow out of the water collecting disc 1001 along the water collecting disc 10, and can flow to the water collecting disc 1001 along the water collecting disc 10, and can flow out of the water collecting disc 1001 along the water collecting disc 10.

In one embodiment of the present application, the air inlet connector 402 and the smoke exhaust connector 401 are coaxially arranged, the air inlet connector 402 is sleeved outside the smoke exhaust connector 401, the water collecting tray 10 is provided with a perforation 106, a part of the smoke exhaust connector 401 extending into the shell 100 passes through the perforation 106, and the water collecting tray 10 is opposite to a gap between the air inlet connector 402 and the smoke exhaust connector 401, and water flowing into the shell 100 from the gap flows to the water collecting tray 10.

According to the wall-mounted boiler 1 provided by the embodiment of the application, the air inlet joint 402 and the smoke discharging joint 401 are coaxially arranged, the air inlet joint 402 is sleeved outside the smoke discharging joint 401 to form a part, so that only one part is required to be installed when the wall-mounted boiler is installed on the top plate 30, the corresponding air inlet pipe 60 and the smoke discharging pipe 50 are coaxially arranged and connected with the air inlet joint 402 and the smoke discharging joint 401, the water collecting tray 10 is provided with the perforation 106, the part of the smoke discharging joint 401 extending into the shell 100 passes through the perforation 106 of the water collecting tray 10 and is connected with the smoke discharging part 701 of the heat exchanger 70, the water collecting tray 10 is opposite to the gap between the air inlet joint 402 and the smoke discharging joint 401, or the water collecting tray 10 is filled at the lower part of the air inlet joint 402, and outdoor rainwater or condensed water formed between the air inlet pipe 60 and the smoke discharging pipe 50 flows into the shell 100 from the gap between the air inlet joint 402 and the smoke discharging joint 401 to the water collecting tray 10. The water collecting tray 10 is provided with the perforation 106, and the water collecting tray is matched with the coaxial arrangement structure of the air inlet joint 402 and the smoke discharging joint 401, so that water can be collected, and the whole part structure can be simplified.

In one embodiment of the present application, the coaming 1001 includes a back plate 80, an outer wall of the back plate 80 is opposite to a wall surface, a drainage portion 103 of the water collecting tray 10 is opposite to an inner wall of the back plate 80, water discharged from the drainage portion 103 flows to the inner wall of the back plate 80, and a diversion structure 801 is disposed on the inner wall of the back plate 80.

According to the wall-mounted furnace 1 provided by the embodiment of the application, the coaming 1001 comprises a front plate, left and right side plates and a back plate 80 which surround the periphery of the wall-mounted furnace 1, when the wall-mounted furnace 1 is mounted, the back plate 80 is mounted by leaning against a wall, a water discharge part 103 of the water collecting tray 10 is arranged opposite to the back plate 80, water discharged from the water discharge part 103 flows to the inner wall of the back plate 80 and downwards flows along the inner wall of the back plate 80, a diversion structure 801 is further arranged on the inner wall of the back plate 80, and the diversion structure 801 is a diversion groove (see fig. 3) extending up and down along the back plate 80, so that water flowing along the inner wall of the back plate 80 flows downwards and is discharged more rapidly and smoothly under the action of the diversion groove.

Referring to fig. 2, in an embodiment of the present application, a sealing structure 20 is disposed between the smoke exhaust connector 401 and the through hole 106. The edge of the perforation 106 extends upwards to form a surrounding edge 107, the surrounding edge 107 comprises a first extension 1071, a second extension 1072 and a third extension 1073, the first extension 1071 extends upwards from the edge of the perforation 106, the second extension 1072 extends upwards from the upper edge of the first extension 1071 towards the middle of the perforation 106, the third extension 1073 extends upwards from the inner edge of the second extension 1072, and the sealing structure 20 comprises an n-shaped section 201 surrounding the upper edge of the third extension 1073 and a C-shaped section 202 extending downwards to the bottom of the second extension 1072 along the inner side of the third extension 1073.

In the embodiment of the application, the smoke discharging connector 401 passes through the perforation 106 of the water collecting tray 10 to be connected with the smoke discharging part 701 of the heat exchanger 70, so as to prevent water leakage between the perforation 106 and the smoke discharging connector 401, and the sealing structure 20 between the smoke discharging connector 401 and the perforation 106 is arranged. The edge of the perforation 106 of the water collecting tray 10 extends upwards to form a surrounding edge 107 for forming a surrounding barrier for water flowing into the water collecting tray 10 and preventing water from flowing out of the perforation 106, and the surrounding edge 107 has a cross section of a structure which extends upwards from the edge of the perforation 106 (a first extension 1071), extends towards the middle of the perforation 106 (a second extension 1072) and then extends upwards (a third extension 1073). A sealing ring is arranged on the peripheral edge 107 to form a sealing structure 20 between the smoke discharging joint 401 and the perforation 106, and the sealing ring comprises an n-type section 201 surrounding the upper edge of the third extension section 1073 and a C-type section 202 extending downwards to the bottom of the second extension section 1072 along the inner side of the third extension section 1073. The sealing ring n-shaped section 201 fixes the sealing ring on the third extension section 1073 of the surrounding edge 107, part of the sealing ring on the inner side of the third extension section 1073 seals the surrounding edge 107 of the perforation 106 and the smoke discharging joint 401, the smoke discharging joint 401 is inserted into the smoke discharging part 701 of the heat exchanger 70, the smoke discharging part 701 is sleeved outside the smoke discharging joint 401 and is abutted to the bottom of the second extension section 1072 of the surrounding edge 107 of the water collecting disc 10, the C-shaped section 202 of the sealing ring is arranged between the top of the smoke discharging part 701 and the second extension section 1072 to seal, and the smoke in the heat exchanger 70 is prevented from overflowing.

Referring to fig. 1, 3 and 4, in one embodiment of the present application, the water collecting tray 10 includes a bottom wall 101 and a side wall 102 protruding toward the top plate 30, and the side wall 102 and the bottom wall 101 are integrally formed and form a water collecting groove.

In one embodiment of the application, the side wall 102 is provided with at least one connection 104, and the water collection tray 10 is fixed inside the top plate 30 by the connection 104. The connecting portion 104 may be a screw connecting portion 104 formed by extending part of the side wall 102 at a predetermined position outwards, the screw connecting portion 104 corresponds to a screw hole at a predetermined position of the top plate 30, and the water collecting tray 10 is fixed on the inner side of the top plate 30 by a screw, or the connecting portion 104 may be a clamping structure formed by extending part of the side wall 102 at a predetermined position outwards, and the clamping structure is fixed with a corresponding clamping structure at a predetermined position of the top plate 30, so that the water collecting tray 10 is fixed on the inner side of the top plate 30.

In one embodiment of the present application, the side wall 102 includes at least one straight edge section 105, the drainage portion 103 is disposed on the straight edge section 105, the straight edge section 105 is disposed near the enclosing plate 1001, and a gap is left between the straight edge section 105 of the water collecting tray 10 and the enclosing plate 1001, so that water discharged by the drainage portion 103 can flow down along the enclosing plate 1001.

In the embodiment of the application, at least one straight edge section 105 is arranged on the side wall 102 of the water collecting disc 10, the water draining part 103 is arranged on the straight edge section 105, when the water collecting disc 10 is installed, the straight edge section 105 is close to one side of the coaming 1001, the water draining part 103 is conveniently positioned to be close to the coaming 1001, and when water is drained from the water draining part 103, the water contacts the coaming 1001 and then flows downwards along the coaming 1001 to be drained. Specifically, the straight edge section 105 of the side wall 102 of the water collection tray 10 is disposed close to the back plate 80 of the coaming 1001 so that water contacts the back plate 80 when discharged from the drain 103 and then flows down the back plate 80 to be discharged.

In one embodiment of the application, the drain 103 is a notch or opening formed in the sidewall 102, the opening or notch facing the inner wall of the shroud 1001. The side wall 102 of the water collecting disc 10 is provided with a notch or an opening to form a drainage part 103, and the lowest point of the notch or the opening is lower than the height of the side wall 102 at other positions, so that water collected by the water collecting disc 10 is conveniently drained from the notch or the opening. When the water collecting tray 10 is mounted, the entire water collecting tray 10 is inclined toward the drain 103, and water collected by the water collecting tray 10 can be guided to the drain 103.

Referring to fig. 3 and 5, in an embodiment of the application, the wall-hanging stove 1 includes a bottom shell 90 connected to the back plate 80, a drain gap 902 is provided between the back plate 80 and the bottom shell 90, a mounting boss 901 is provided at an upper portion of the bottom shell 90, and a part of components of the wall-hanging stove 1 are mounted on the boss.

In the embodiment of the application, the shell 100 of the wall-mounted boiler 1 further comprises a bottom shell 90, the back plate 80 is connected with the bottom shell 90, a drainage gap 902 is arranged at the connection position of the back plate 80 and the bottom shell 90, water discharged by the water collecting tray 10 flows downwards along the back plate 80 to the connection position between the back plate 80 and the bottom shell 90, and the shell 100 of the wall-mounted boiler 1 is discharged from the drainage gap 902 at the connection position. The bottom case 90 is further provided with a mounting boss 901, such as a boss formed by punching the bottom case 90, on which a part of components on the bottom case 90 to be mounted can be mounted, preventing water flowing down along the back plate 80 from flowing to the bottom case 90 contacting components mounted inside the housing 100 without being discharged from the drain gap 902. Drain holes are also provided on the bottom case 90 to further drain the water on the bottom case 90.

It is to be understood that the above description is intended to be illustrative, and not restrictive. Many embodiments and many applications other than the examples provided will be apparent to those of skill in the art upon reading the above description. The scope of the disclosure should, therefore, be determined not with reference to the above description, but instead should be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the embodiments of the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present specification should be included in the protection scope of the present specification.

Claims (10)

1. A wall-hanging stove, its characterized in that, the wall-hanging stove includes:

the shell comprises a top plate, wherein an air inlet connector and a smoke exhaust connector are arranged on the top plate;

the heat exchanger is arranged in the shell, the smoke discharging part of the heat exchanger is connected with the first end of the smoke discharging connector, and the second end of the smoke discharging connector is used for being connected with the smoke discharging pipe;

the water collecting disc is arranged in the shell and is opposite to the air inlet joint, the water collecting disc is used for collecting water flowing into the shell from the air inlet joint, and the part of the air inlet joint, which is positioned outside the shell, is connected with the air inlet pipe;

The housing further includes a shroud extending up and down, and the water collecting tray includes a drain portion, and water discharged from the drain portion flows toward an inner wall of the shroud and downward along the shroud.

2. The wall-hanging stove of claim 1, wherein the air inlet joint and the smoke exhaust joint are coaxially arranged, the air inlet joint is sleeved outside the smoke exhaust joint, a perforation is arranged on the water collecting disc, a part of the smoke exhaust joint extending into the shell passes through the perforation, and the water collecting disc is opposite to a gap between the air inlet joint and the smoke exhaust joint, and water flowing into the shell from the gap flows to the water collecting disc.

3. The wall-hanging stove of claim 2, wherein the coaming comprises a back plate, the outer wall of the back plate is opposite to the wall surface, the water draining part of the water collecting tray is opposite to the inner wall of the back plate, water drained from the water draining part flows to the inner wall of the back plate, and a diversion structure is arranged on the inner wall of the back plate.

4. The wall-hanging stove of claim 2, wherein a sealing structure is provided between the smoke discharging connector and the through hole.

5. The wall-hanging stove of claim 4, wherein the perforated edge extends upwards to form a surrounding edge, the surrounding edge comprises a first extending section, a second extending section and a third extending section, the first extending section extends upwards from the perforated edge, the second extending section extends upwards from the upper edge of the first extending section towards the middle of the perforation, the third extending section extends upwards from the inner edge of the second extending section, and the sealing structure comprises an n-shaped section surrounding the upper edge of the third extending section and a C-shaped section extending downwards to the bottom of the second extending section along the inner side of the third extending section.

6. The wall-hanging stove of claim 1, wherein the water collection tray comprises a bottom wall and a side wall protruding toward the top plate, the side wall and the bottom wall being integrally formed and forming a water collection recess.

7. The wall-hanging stove of claim 6, wherein the side wall is provided with at least one connecting portion, and the water collecting tray is fixed inside the top plate through the connecting portion.

8. The wall-hanging stove of claim 6, wherein the side wall comprises at least one straight edge section, the drain is provided on the straight edge section, the straight edge section is provided close to the coaming, and a gap is left between the straight edge section of the water collecting tray and the coaming, so that water discharged by the drain can flow downwards along the coaming.

9. The wall-hanging stove according to claim 6, wherein the water drain is a notch or opening formed in the side wall, the opening or notch facing the inner wall of the shroud.

10. The wall-mounted boiler according to claim 3, wherein the wall-mounted boiler comprises a bottom shell connected with the back plate, a drainage gap is arranged between the back plate and the bottom shell, a mounting boss is arranged at the upper part of the bottom shell, and parts of the wall-mounted boiler are mounted on the boss.