CN214370968U - Hanging stove heat exchanger - Google Patents

Abstract

The utility model discloses a hanging stove heat exchanger, include: the shell assembly is internally provided with an inner chamber and an outer chamber positioned outside the inner chamber, and the outer chamber is communicated with the inner chamber; the heat exchange coil assembly is accommodated in the inner chamber; the combustor is arranged on the shell assembly, and the output end of the combustor is positioned in the hollow area of the heat exchange coil assembly; the preheating pipe fitting is communicated with the output end of the heat exchange coil assembly and is positioned in the outer cavity, and the output end of the preheating pipe fitting extends out of the shell assembly; and the smoke exhaust pipe is arranged on the shell assembly and is used for communicating the outside with the outer cavity. When the wall-mounted furnace heat exchanger is used, heated gas exchanges heat with the heat exchange coil assembly firstly, then enters the outer cavity and is discharged from the smoke exhaust pipe, the preheating pipe can exchange heat with the gas in the outer cavity to heat water flowing back from the external pipeline, and before the gas is discharged from the smoke exhaust pipe, the heat energy of the gas is fully utilized, and the heat exchange efficiency of the wall-mounted furnace heat exchanger is improved.

Description

Hanging stove heat exchanger

Technical Field

The utility model relates to a hanging stove heat exchanger.

Background

At present, general hanging stove heat exchanger includes the casing, locate the inside heat exchange coil of casing and the combustor that is located heat exchange coil's hollow region, lets in the water of treating the heating in the heat exchange coil, and gas combustion back in the combustor forms flame and flue gas in heat exchange coil's hollow region, and flame heats the air heating on every side and heats the water in the heat exchange coil, and the exhaust passage who directly sets up from the casing through the air current of heat transfer outwards discharges. The heat exchanger with the structure has low heat exchange efficiency, high energy consumption and insufficient energy conservation and environmental protection.

In addition, general heat dissipation coil all utilizes the straight tube spiral to coil upwards or the spiral is decurrent and forms, and water is in laminar flow state in a hanging stove heat exchanger, and the water that is located the middle part of heat transfer coil's cross section can't obtain abundant heat transfer, consequently, the heat transfer effect is not good.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a hanging stove heat exchanger that heat exchange efficiency is high.

According to the utility model discloses hanging stove heat exchanger, include: the shell assembly is internally provided with an inner chamber and an outer chamber positioned outside the inner chamber, and the outer chamber is communicated with the inner chamber; the heat exchange coil assembly is accommodated in the inner chamber; the combustor is arranged on the shell assembly, and the output end of the combustor is positioned in the hollow area of the heat exchange coil assembly; the preheating pipe fitting is positioned in the outer chamber, the output end of the preheating pipe fitting is communicated with the heat exchange coil assembly, and the input end of the preheating pipe fitting is used for being communicated with an external pipeline; and the smoke exhaust pipe is arranged on the shell assembly and is used for communicating the outside with the outer cavity.

According to the utility model discloses hanging stove heat exchanger has following beneficial effect at least:

the hanging stove heat exchanger of structure more than is when using, the gaseous heating in the internal cavity of combustor, the gas that is heated carries out the heat transfer with heat exchange coil assembly earlier, then discharge from discharging fume the pipe after getting into the outer cavity, the preheating pipe spare that is linked together with heat exchange coil assembly can carry out the heat transfer with the gas in the outer cavity, and then will flow back to heat exchange coil assembly's water heating from the outside pipeline, before gaseous discharge from discharging fume the pipe, make full use of gaseous heat energy has promoted the heat exchange efficiency of hanging stove heat exchanger.

In some embodiments of the present invention, the pre-heating pipe includes a plurality of bending sections that are bent back and forth.

In some embodiments of the present invention, the input of the heat exchange coil assembly is connected to the output of the preheating pipe fitting through a connecting pipe.

In some embodiments of the utility model, the outer wall of casing subassembly is equipped with and is located the water storage heavy groove of the periphery of tub of discharging fume, the bottom of water storage heavy groove is equipped with at least one influent hole, be equipped with on the wall of inner chamber at least one with influent hole matched with backward flow hole.

The utility model discloses an in some embodiments, it is equipped with a baffle to press from both sides between wherein two adjacent spiral unit circles of heat transfer coil assembly, the baffle will interior cavity partition is first heat transfer chamber and second heat transfer chamber, the baffle with it makes to have the clearance between the wallboard of interior cavity first heat transfer chamber with second heat transfer chamber is linked together, the combustor holding in within the first heat transfer chamber, the second heat transfer chamber with the outer cavity is linked together.

In some embodiments of the present invention, a side of the baffle adjacent to the burner is provided with a thermal baffle located within the hollow region of the heat exchange coil assembly.

The utility model discloses an in some embodiments, the casing subassembly include left end plate, right end plate, connect in the left end plate with arc plate between the right end plate, the left end plate the right end plate with arc plate prescribes a limit to jointly the inner chamber, the left end plate with be connected with the cover between the right end plate and establish the outside first shell plate of arc plate, first shell plate the left end plate the right end plate with arc plate prescribes a limit to jointly the outer chamber, the right side interval of right end plate is provided with the second shell plate, the second shell plate with prescribe a limit to the transfer cavity between the right end plate, be equipped with on the right end plate with the inner chamber with the first through-hole that the transfer cavity is linked together, be equipped with on the right end plate with the transfer cavity with the second through-hole that the outer chamber is linked together.

In some embodiments of the present invention, the heat exchange coil assembly includes at least one pipe, the two ends of the pipe are respectively provided with a first inlet and a first outlet, the inner wall of the pipe is provided with a guiding structure for guiding the fluid to travel along the extending direction of the pipe, the guiding structure can drive the fluid to rotate to form turbulent flow when guiding the fluid to travel, and the pipe is coiled to form a spiral shape.

In some embodiments of the present invention, the guide structure is a helically convex section protruding inwardly from the inner wall of the pipe, the helically convex section spiraling around the centerline of the pipe.

In some embodiments of the present invention, the number of the pipes is at least two, at least two the pipes are sequentially sleeved from inside to outside, and adjacent to each other, a gap is formed between the pipes.

Additional aspects and advantages of the invention 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 the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of an embodiment of a heat exchanger of a wall-hanging stove according to the present invention;

FIG. 2 is an exploded view of the embodiment of FIG. 1;

FIG. 3 is a schematic diagram of the internal structure of the embodiment of FIG. 1;

FIG. 4 is a schematic structural view of the heat exchange coil assembly of FIG. 3 with the heat exchange coil assembly removed;

FIG. 5 is a schematic view of a heat exchange coil assembly, connecting tubes, and pre-heat tubing in combination;

FIG. 6 is a schematic diagram of one tube of the heat exchange coil assembly;

figure 7 is a schematic cross-sectional view of one helical unit turn of the pipe.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the orientation description, such as the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., is the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplicity of description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, the utility model discloses a hanging stove heat exchanger, include: the device comprises a shell assembly 100, wherein an inner chamber 101 and an outer chamber 102 positioned outside the inner chamber 101 are arranged in the shell assembly 100, and the outer chamber 102 is communicated with the inner chamber 101; a heat exchange coil assembly 200 housed within the inner chamber 101; the burner 300 is arranged on the shell assembly 100, and the output end of the burner 300 is positioned in the hollow area of the heat exchange coil assembly 200; the preheating pipe 400 is positioned in the outer chamber 102, the output end of the preheating pipe 400 is communicated with the heat exchange coil assembly 200, and the input end of the preheating pipe 400 is used for communicating with an external pipeline; and an exhaust duct 500 provided on the housing assembly 100 for communicating the outside with the outer chamber 102.

The hanging stove heat exchanger of structure above is when using, the gaseous heating in combustor 300 internal cavity 101, the gas that is heated carries out the heat transfer with heat exchange coil assembly 200 earlier, then discharge from discharging fume pipe 500 after getting into outer cavity 102, the preheating pipe fitting 400 that is linked together with heat exchange coil assembly 200 can carry out the heat transfer with the gas in the outer cavity 102, and then will flow back to heat exchange coil assembly 200's water heating from the outside pipeline, before gaseous 500 discharges from discharging fume pipe, make full use of gaseous heat energy, the heat exchange efficiency of hanging stove heat exchanger has been promoted.

Referring to fig. 2 and 5, in some embodiments of the present invention, to accommodate a longer pre-heated tube 400 within the outer chamber 102, improving heat utilization efficiency, the pre-heated tube 400 includes a plurality of bending sections that are bent back and forth. Of course, in other embodiments, the pre-heat pipe 400 may also be other shapes, such as a coil shape, and so on.

Referring to fig. 1, 2 and 5, in some embodiments of the present invention, in order to simplify the manufacturing and assembly process, the input end of the heat exchange coil assembly 200 is connected to the output end of the preheating pipe 400 through a connection pipe 600.

Referring to fig. 2 and 4, in some embodiments of the present invention, the outer wall of the housing assembly 100 is provided with a water storage sink 700 located at the periphery of the smoke discharge pipe 500, the bottom of the water storage sink 700 is provided with at least one inflow hole 710, and the wall of the inner chamber 101 is provided with at least one backflow hole (not shown) matched with the inflow hole 710. In the use scene of hanging stove, generally can cup joint the extension pipe that extends to the outside in the outside of tub 500 of discharging fume, when the combustion gas forms the comdenstion water at the inner wall of extension pipe, the comdenstion water flows back to casing assembly 100 and causes casing assembly 100 easily to rust, consequently, utilizes the heavy groove 700 of water storage to accept the comdenstion water, and the comdenstion water passes through influent hole 710 and backward flow hole in proper order and gets into inner chamber 101 for the comdenstion water evaporation is vapor, avoids casing assembly 100 to rust.

Referring to fig. 3 and 4, in some embodiments of the present invention, a partition 800 is disposed between two adjacent spiral unit turns of the heat exchange coil assembly 200, the partition 800 divides the inner chamber 101 into a first heat exchange cavity 1011 and a second heat exchange cavity 1012, a gap is formed between the partition 800 and a wall plate of the inner chamber 101 to enable the first heat exchange cavity 1011 and the second heat exchange cavity 1012 to be communicated, the burner 300 is accommodated in the first heat exchange cavity 1011, and the second heat exchange cavity 1012 is communicated with the outer chamber 102. The heated gas exchanges heat with the heat exchange coil assembly 200 in the first heat exchange cavity 1011 first and then exchanges heat with the heat exchange coil assembly 200 in the second heat exchange cavity 1012, so that heat can be prevented from being dissipated quickly.

Referring to fig. 3 and 4, in some embodiments of the present invention, to retain as much heat as possible in the first heat exchange chamber 1011, the side of the baffle 800 adjacent the burner 300 is provided with a heat shield 810 located in the hollow region of the heat exchange coil assembly 200. The insulation panels 810 are typically constructed of high temperature asbestos sheets or refractory insulation bricks.

Referring to fig. 2 to 4, in some embodiments of the present invention, the housing assembly 100 includes a left end plate 110, a right end plate 120, an arc plate 130 connected between the left end plate 110 and the right end plate 120, the left end plate 110, the right end plate 120 and the arc plate 130 define the inner chamber 101 together, a first shell plate 140 covering the outer portion of the arc plate 130 is connected between the left end plate 110 and the right end plate 120, the first shell plate 140, the left end plate 110, the right end plate 120 and the arc plate 130 define the outer chamber 102 together, the right side of the right end plate 120 is provided with a second shell plate 150 at an interval, the transfer chamber 103 is defined between the second shell plate 150 and the right end plate 120, the right end plate 120 is provided with a first through hole 121 communicating the inner chamber 101 with the transfer chamber 103, and the right end plate 120 is provided with a second through hole 122 communicating the transfer chamber 103 with the outer chamber 102. The structure can simplify the manufacturing process of the shell assembly 100, reduce the production cost, and enable high-heat gas to sequentially pass through the inner chamber 101, the transfer chamber 103 and the outer chamber 102.

Referring to fig. 5, in some embodiments of the present invention, the heat exchanging coil assembly 200 includes at least one pipe 210, two ends of the pipe 210 are respectively provided with a first inlet 211 and a first outlet 212, an inner wall of the pipe 210 is provided with a guiding structure 213 for guiding the fluid to travel along an extending direction of the pipe 210, the guiding structure 213 guides the fluid to travel and can drive the fluid to rotate to form a turbulent flow, and the pipe 210 is coiled to form a spiral shape. After water entered pipe 210, water advanced along the extending direction and the coiling direction of pipe 210 under guide structure 213's effect, and rivers receive guide structure 213's effect at the in-process of marcing and take place rotatoryly to produce the turbulent flow, and then make the hydroenergy that is located pipe 210 middle part can flow to pipe 210's inner wall, thereby improve heat exchange coil assembly 200's heat exchange efficiency greatly.

Referring to fig. 6 and 7, in some embodiments of the present invention, the guide structure 213 is a helically convex section protruding inwardly from the inner wall of the pipe 210, the helically convex section spiraling around the centerline of the pipe 210. The above guiding structure 213 can drive water to generate turbulent flow and has small resistance to water, so as to prevent the flow velocity of water from suddenly dropping to influence the heat exchange efficiency.

Referring to fig. 5, in some embodiments of the present invention, the number of the pipes 210 is at least two, and at least two pipes 210 are sequentially sleeved from inside to outside, and a gap is formed between adjacent pipes 210. Further enhancing the heat exchange effect of the heat exchanger of the wall-hanging furnace.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A hanging stove heat exchanger which characterized in that includes:

the shell assembly (100) is internally provided with an inner chamber (101) and an outer chamber (102) positioned outside the inner chamber (101), and the outer chamber (102) is communicated with the inner chamber (101);

a heat exchange coil assembly (200) housed within the inner chamber (101);

the burner (300) is arranged on the shell assembly (100), and the output end of the burner (300) is positioned in the hollow area of the heat exchange coil assembly (200);

the preheating pipe fitting (400) is positioned in the outer chamber (102), the output end of the preheating pipe fitting (400) is communicated with the heat exchange coil assembly (200), and the input end of the preheating pipe fitting (400) is used for being communicated with an external pipeline;

a smoke exhaust duct (500) provided on the housing assembly (100) for communicating the outside with the outer chamber (102).

2. The wall-hanging stove heat exchanger of claim 1, characterized in that:

the preheating pipe (400) comprises a plurality of bending sections which are bent to and fro.

3. The wall-hanging furnace heat exchanger according to claim 1 or 2, wherein:

the input end of the heat exchange coil assembly (200) is communicated with the output end of the preheating pipe fitting (400) through a connecting pipe (600).

4. The wall-hanging stove heat exchanger of claim 1, characterized in that:

the outer wall of casing subassembly (100) is equipped with and is located the heavy groove of water storage (700) of the periphery of tub (500) of discharging fume, the bottom of the heavy groove of water storage (700) is equipped with at least one influent hole (710), be equipped with on the wall of inner chamber (101) at least one with influent hole (710) matched with backward flow hole.

5. The wall-hanging stove heat exchanger of claim 1, characterized in that:

a partition plate (800) is arranged between two adjacent spiral unit circles of the heat exchange coil assembly (200) in a clamping mode, the inner chamber (101) is divided into a first heat exchange cavity (1011) and a second heat exchange cavity (1012) by the partition plate (800), a gap is formed between the partition plate (800) and a wall plate of the inner chamber (101) to enable the first heat exchange cavity (1011) to be communicated with the second heat exchange cavity (1012), the combustor (300) is contained in the first heat exchange cavity (1011), and the second heat exchange cavity (1012) is communicated with the outer chamber (102).

6. The wall-hanging stove heat exchanger of claim 5, characterized in that:

the side of the baffle (800) adjacent to the burner (300) is provided with a heat insulation plate (810) positioned in the hollow region of the heat exchange coil assembly (200).

7. The wall-hanging stove heat exchanger of claim 1, characterized in that:

the casing assembly (100) comprises a left end plate (110), a right end plate (120) and an arc plate (130) connected between the left end plate (110) and the right end plate (120), the left end plate (110), the right end plate (120) and the arc plate (130) define the inner chamber (101) together, a first shell plate (140) covering the arc plate (130) is connected between the left end plate (110) and the right end plate (120), the first shell plate (140) outside the arc plate (130) is connected between the left end plate (110), the right end plate (120) and the arc plate (130) define the outer chamber (102) together, a second shell plate (150) is arranged at the right side of the right end plate (120) at intervals, a transfer chamber (103) is defined between the second shell plate (150) and the right end plate (120), a first through hole (121) communicating the inner chamber (101) and the transfer chamber (103) is arranged on the right end plate (120), and a second through hole (122) for communicating the transfer chamber (103) with the outer chamber (102) is formed in the right end plate (120).

8. The wall-hanging stove heat exchanger of claim 1, characterized in that:

the heat exchange coil assembly (200) comprises at least one pipe (210), wherein a first inlet (211) and a first outlet (212) are respectively arranged at two ends of the pipe (210), a guide structure (213) for guiding fluid to advance along the extending direction of the pipe (210) is arranged on the inner wall of the pipe (210), the guide structure (213) can drive the fluid to rotate to form turbulent flow when guiding the fluid to advance, and the pipe (210) is coiled to form a spiral shape.

9. The wall-hanging stove heat exchanger of claim 8, characterized in that:

the guide structure (213) is a helically convex section protruding inwards from the inner wall of the pipe (210), and the helically convex section spirals around the centre line of the pipe (210).

10. The wall-hanging stove heat exchanger of claim 8, characterized in that:

the number of the pipelines (210) is at least two, the pipelines (210) are sequentially sleeved from inside to outside, and a gap is reserved between every two adjacent pipelines (210).

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