Household boiler with waste heat utilization structure

Abstract

The utility model discloses a household boiler with a waste heat utilization structure, which is characterized in that a plurality of water pipes are fixedly arranged in a boiler body, a fuel inlet pipe is arranged at one end of the boiler body, a cover plate is hinged to an opening of the fuel inlet pipe, a top plate is arranged at the top of the boiler body, a boiler opening is formed in the top plate, and a water outlet is formed in the boiler opening. The other end of the boiler body is fixedly communicated with a smoke exhaust square pipe, a plurality of water boxes are fixedly arranged in the smoke exhaust square pipe, a water storage tank is arranged below the joint of the boiler body and the smoke exhaust square pipe, the bottoms of the water boxes are all communicated with the water storage tank, one ends of the water passing pipes are all communicated with the water storage tank, and the other ends of the water passing pipes are communicated with the water storage tank. The other ends of the plurality of water passing pipes are fixedly communicated with the water injection pipe; through the optimized and improved design of the product, a plurality of water boxes are arranged in the smoke exhaust square pipe, and water in the water boxes is heated through smoke, so that the water in the water storage tank is heated, waste heat is recycled, and the purposes of improving the utilization efficiency of energy, saving energy and protecting the environment are achieved.

Description

Technical Field

[0001] This utility model relates to the field of household boiler technology, and more specifically, to a household boiler with a waste heat utilization structure. Background Technology

[0002] A boiler is a heat energy conversion device, consisting of two main parts: the boiler and the furnace. Domestic boilers refer to household boilers used for heating or bathing in homes; they are small in size, consume little energy, and are typically suitable for family use.

[0003] However, most household boilers are currently fuel-fired steam boilers. The flue gas produced by the combustion of fuel-fired steam boilers contains a large amount of heat energy, resulting in significant energy loss and low energy utilization efficiency. Utility Model Content

[0004] In view of the above-mentioned technical problems in related technologies, this utility model proposes a household boiler with a waste heat utilization structure, which can overcome the above-mentioned shortcomings of the prior art.

[0005] To achieve the above-mentioned technical objectives, the technical solution of this utility model is implemented as follows:

[0006] A household boiler with a waste heat recovery structure;

[0007] This household boiler with waste heat recovery structure includes a boiler body and a water injection pipe. Several water pipes are fixedly installed inside the boiler body. A fuel inlet pipe is located at one end of the boiler body, and a cover plate is hinged to the opening of the fuel inlet pipe. A top plate is located on the top of the boiler body, and a furnace opening is located on the top plate. A flue gas square pipe is fixedly connected to the other end of the boiler body. Several water boxes are fixedly installed inside the flue gas square pipe. A water storage tank is located below the connection between the boiler body and the flue gas square pipe. The bottoms of the water boxes are all connected to the water storage tank. One end of each water pipe is connected to the water storage tank, and the other end of each water pipe is fixedly connected to the water injection pipe. Multiple water boxes are installed inside the flue gas square pipe. The flue gas heats the water in the water boxes, thereby heating the water in the water storage tank, enabling the boiler to provide hot water and recover heat energy from the flue gas.

[0008] Furthermore, the top of the furnace body has two interfaces; heating and ventilation pipes are connected through the two interfaces for heating.

[0009] Furthermore, a hot water outlet and an observation port are provided on one side of the furnace body, and the water storage tank is connected to the hot water outlet; hot water is supplied by discharging hot water through the hot water outlet, and the combustion status inside the furnace is observed through the observation port.

[0010] Furthermore, a base is fixedly installed at the bottom of the furnace body, and an ash collection frame is slidably connected to one side of the base; several water pipes are arranged inside the space between the furnace body and the base.

[0011] Furthermore, a base plate is fixedly connected to the bottom of the base, and a rectangular opening is provided at the bottom of the base plate; the base plate supports and fixes the base, improving the stability of the boiler, and the rectangular opening allows air to pass through, providing sufficient air for fuel combustion and improving combustion efficiency.

[0012] Furthermore, the base has two support tubes inside, and the two support tubes are connected to the bottom of the multiple water pipes; the multiple water pipes are supported by the two support tubes.

[0013] Furthermore, a handle is fixedly provided at one end of the ash collection frame; by moving the ash collection frame with the handle, it is convenient to clean the furnace ash.

[0014] Furthermore, baffles are fixedly connected to the top and bottom of the inner wall of the fuel inlet pipe; the fuel falls into the furnace of the boiler along the lower baffle.

[0015] Furthermore, the cover plate has multiple strip grooves, the water injection pipe extends to the outside through one of the strip grooves, and the fuel inlet pipe is fixedly provided with a buckle, with two buckles respectively connected to the two sides of the cover plate; water is injected through the water injection pipe, and the cover plate is fixed by the buckles.

[0016] The beneficial effects of this utility model are as follows: Through the optimized and improved design of the product, multiple water boxes are set inside the flue gas square pipe. The flue gas heats the water in the water boxes, thereby heating the water in the water storage tank and recovering waste heat, thereby improving energy utilization efficiency and achieving energy conservation and environmental protection. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a first-view overall structural schematic diagram of a household boiler with a waste heat utilization structure according to an embodiment of the present utility model;

[0019] Figure 2 This is a second-view overall structural diagram of a household boiler with a waste heat utilization structure according to an embodiment of the present utility model;

[0020] Figure 3This is a schematic diagram of the internal structure of a household boiler with a waste heat utilization structure according to an embodiment of the present utility model;

[0021] Figure 4 This is a side view of a household boiler with a waste heat utilization structure according to an embodiment of the present utility model;

[0022] Figure 5 This is a top view of a household boiler with a waste heat utilization structure according to an embodiment of the present utility model;

[0023] Figure 6 This is a bottom view of a household boiler with a waste heat utilization structure according to an embodiment of the present utility model;

[0024] Figure 7 This is a front view of a household boiler with a waste heat utilization structure according to an embodiment of the present utility model;

[0025] Figure 8 This is a rear view of a household boiler with a waste heat utilization structure according to an embodiment of the present utility model;

[0026] In the diagram: 1. Furnace body; 2. Base; 3. Bottom plate; 4. Water storage tank; 5. Flue gas square pipe; 6. Ash collection frame; 7. Handle; 8. Fuel inlet pipe; 9. Cover plate; 10. Top plate; 11. Furnace opening; 12. Water box; 13. Baffle; 14. Water pipe; 15. Support pipe; 16. Rectangular opening; 17. Interface; 18. Water injection pipe; 19. Buckle; 20. Strip groove; 21. Hot water outlet; 22. Observation port. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art are within the protection scope of the present utility model.

[0028] It should be understood that in the description of the embodiments of this utility model, the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of the stated features. In the description of the embodiments of this utility model, "several" means two or more, unless otherwise explicitly specified.

[0029] like Figure 1-8 As shown in the figure, a household boiler with a waste heat utilization structure according to an embodiment of the present utility model includes a boiler body 1 and a water injection pipe 18. A plurality of water pipes 14 are fixedly installed inside the boiler body 1. A fuel inlet pipe 8 is provided at one end of the boiler body 1. A cover plate 9 is hinged to the opening of the fuel inlet pipe 8. A top plate 10 is provided on the top plate 10. A furnace opening 11 is opened on the top plate 10. A flue gas square pipe 5 is fixedly connected to the other end of the boiler body 1. A plurality of water boxes 12 are fixedly installed inside the flue gas square pipe 5. A water storage tank 4 is provided below the connection between the boiler body 1 and the flue gas square pipe 5. The bottom of the plurality of water boxes 12 is connected to the water storage tank 4. One end of the plurality of water pipes 14 is connected to the water storage tank 4. The other end of the plurality of water pipes 14 is fixedly connected to the water injection pipe 18.

[0030] According to an embodiment of the present invention, a household boiler with a waste heat utilization structure is provided. In a specific embodiment, the top of the boiler body 1 has two interfaces 17.

[0031] According to an embodiment of the present invention, a household boiler with a waste heat utilization structure is provided. In a specific embodiment, a hot water outlet 21 and an observation port 22 are provided on one side of the boiler body 1, and the water storage tank 4 is connected to the hot water outlet 21.

[0032] According to an embodiment of the present invention, a household boiler with a waste heat utilization structure is provided. In a specific embodiment, a base 2 is fixedly provided at the bottom of the boiler body 1, and an ash collection frame 6 is slidably connected to one side of the base 2; a plurality of water pipes 14 are provided inside the space between the boiler body 1 and the base 2.

[0033] According to an embodiment of the present invention, a household boiler with a waste heat utilization structure is provided. In a specific embodiment, a base plate 3 is fixedly connected to the bottom of the base 2, and a rectangular opening 16 is provided at the bottom of the base plate 3.

[0034] According to an embodiment of the present invention, a household boiler with a waste heat utilization structure is provided. In a specific embodiment, the base 2 is provided with two support pipes 15, and the two support pipes 15 are connected to the bottom of the plurality of water pipes 14.

[0035] According to an embodiment of the present invention, a household boiler with a waste heat utilization structure is provided with a handle 7 at one end of the ash collection frame 6 in a specific embodiment.

[0036] According to an embodiment of the present invention, a household boiler with a waste heat utilization structure is provided. In a specific embodiment, baffles 13 are fixedly connected to the top and bottom of the inner wall of the fuel inlet pipe 8.

[0037] According to an embodiment of the present invention, a household boiler with a waste heat utilization structure is provided. In a specific embodiment, the cover plate 9 is provided with a plurality of strip grooves 20. The water injection pipe 18 extends to the outside through one of the strip grooves 20. The fuel inlet pipe 8 is fixedly provided with a buckle 19. The two buckles 19 are respectively connected to the two sides of the cover plate 9.

[0038] To facilitate understanding of the above-mentioned technical solutions of this utility model, the following detailed description of the above-mentioned technical solutions of this utility model is provided through specific usage methods.

[0039] According to the present invention, a household boiler with a waste heat utilization structure includes a boiler body 1 and a water injection pipe 18. A base 2 is fixedly installed at the bottom of the boiler body 1, and an ash collection frame 6 is slidably connected to one side of the base 2. A handle 7 is fixedly installed at one end of the ash collection frame 6. The ash produced by the combustion of fuel in the boiler falls into the ash collection frame 6 under the action of gravity. The ash collection frame 6 can be pulled out by the handle 7 to facilitate the cleaning of the ash.

[0040] Multiple water pipes 14 are fixedly installed inside the furnace body 1 and the base 2. A fuel inlet pipe 8 is fixedly connected to one end of the furnace body 1. Baffles 13 are fixedly connected to the top and bottom of the inner wall of the fuel inlet pipe 8. A cover plate 9 is hinged to the opening of the fuel inlet pipe 8. When the cover plate 9 is flipped open, fuel is added to the furnace body 1 from the fuel inlet pipe 8. The fuel slides down the baffle 13 below into the furnace of the boiler. The fuel is supported by multiple water pipes 14 to prevent the fuel from falling.

[0041] A top plate 10 is fixedly connected to the top of the furnace body 1. A furnace opening 11 is provided on the top plate 10. A flue gas square pipe 5 is fixedly connected to the other end of the furnace body 1. Two interfaces 17 are provided on the top of the furnace body 1. The flue gas is discharged through the flue gas square pipe 5 and connected to the heating and ventilation pipeline through the two interfaces 17 for heating.

[0042] Multiple water boxes 12 are fixedly installed inside the flue gas square pipe 5. A water storage tank 4 is provided below the connection between the furnace body 1 and the flue gas square pipe 5. The bottom of the multiple water boxes 12 is connected to the water storage tank 4. One end of the multiple water pipes 14 is connected to the water storage tank 4, and the other end of the multiple water pipes 14 is fixedly connected to the water injection pipe 18. A hot water outlet 21 and an observation port 22 are opened on one side of the furnace body 1. The water storage tank 4 is connected to the hot water outlet 21. When the flue gas is discharged, it heats the multiple water boxes 12, thereby heating the water in the water storage tank 4. Water is injected from the water injection pipe 18 and then flows into the multiple water pipes 14. The water is initially heated in the multiple water pipes 14. The water enters the water storage tank 4 through the multiple water pipes 14 and then flows into the multiple water boxes 12 through the water storage tank 4. The flue gas heats the water in the multiple water boxes 12.

[0043] The bottom of the base 2 is fixedly connected to the base plate 3. The bottom of the base plate 3 has a rectangular opening 16. The base 2 has two support pipes 15 inside. The two support pipes 15 are connected to the bottom of multiple water pipes 14. The two support pipes 15 support the multiple water pipes 14. The base plate 3 supports and fixes the base 2. The rectangular opening 16 is used for air passage to facilitate fuel combustion.

[0044] The cover plate 9 has multiple slots 20. The water injection pipe 18 extends to the outside through one of the slots 20. The fuel inlet pipe 8 is fixedly provided with a buckle 19. The two buckles 19 are respectively connected to the two sides of the cover plate 9 and the cover plate 9 is fixed by the buckles 19.

[0045] In actual use, flip open the cover plate 9 and add fuel to the furnace body 1 through the fuel inlet pipe 8. The fuel slides down the baffle 13 below into the furnace of the boiler. The fuel burns in the furnace. The ash produced by the fuel combustion falls into the ash collection frame 6 under the action of gravity. The ash collection frame 6 can be pulled out by the handle 7 to facilitate the cleaning of the ash.

[0046] Water is injected from the water inlet pipe 18 and then flows into multiple water pipes 14. The water is initially heated in the multiple water pipes 14. The water enters the water storage tank 4 through the multiple water pipes 14 and then flows into multiple water boxes 12 through the water storage tank 4. The flue gas is discharged through the flue gas exhaust pipe 5. The flue gas heats the water in the multiple water boxes 12 and discharges hot water through the hot water outlet 21, thereby providing hot water. The system is connected to the heating and ventilation system through two interfaces 17 and provides heating through the heating and ventilation system.

[0047] In summary, by utilizing the above-mentioned technical solution of this utility model and through the optimized and improved design of the product, multiple water boxes are installed inside the flue gas exhaust pipe. The flue gas heats the water in the water boxes, thereby heating the water in the water storage tank, recovering and utilizing waste heat, and thus improving energy utilization efficiency and achieving energy conservation and environmental protection.

[0048] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A household boiler with a waste heat recovery structure, characterized in that, The furnace includes a furnace body (1) and a water injection pipe (18). Several water pipes (14) are fixedly installed inside the furnace body (1). A fuel inlet pipe (8) is provided at one end of the furnace body (1). A cover plate (9) is hinged to the opening of the fuel inlet pipe (8). A top plate (10) is provided on the top of the furnace body (1). A furnace opening (11) is provided on the top plate (10). A flue gas square pipe (5) is fixedly connected to the other end of the furnace body (1). Several water boxes (12) are fixedly installed inside the flue gas square pipe (5). A water storage tank (4) is provided below the connection between the furnace body (1) and the flue gas square pipe (5). The bottom of several water boxes (12) is connected to the water storage tank (4). One end of several water pipes (14) is connected to the water storage tank (4). The other end of several water pipes (14) is fixedly connected to the water injection pipe (18).

2. A domestic boiler with a waste heat utilization structure according to claim 1, characterized in that, The furnace body (1) has two interfaces (17) on its top.

3. A domestic boiler with a waste heat utilization structure according to claim 1, characterized in that, A hot water outlet (21) and an observation port (22) are provided on one side of the furnace body (1), and the water storage tank (4) is connected to the hot water outlet (21).

4. A domestic boiler with a waste heat utilization structure according to claim 1, characterized in that, A base (2) is fixedly installed at the bottom of the furnace body (1), and a dust collection frame (6) is slidably connected to one side of the base (2); a plurality of water pipes (14) are installed inside the furnace body (1) and the base (2).

5. A domestic boiler with a waste heat utilization structure according to claim 4, characterized in that, The bottom of the base (2) is fixedly connected to a base plate (3), and a rectangular opening (16) is provided at the bottom of the base plate (3).

6. A domestic boiler with a waste heat utilization structure according to claim 4, characterized in that, The base (2) is provided with two support pipes (15) inside, and the two support pipes (15) are connected to the bottom of the multiple water pipes (14).

7. A domestic boiler with a waste heat utilization structure according to claim 4, characterized in that, A handle (7) is fixedly provided at one end of the ash collection frame (6).

8. A domestic boiler with a waste heat utilization structure according to claim 1, characterized in that, Baffles (13) are fixedly connected to the top and bottom of the inner wall of the fuel inlet pipe (8).

9. A domestic boiler with a waste heat utilization structure according to claim 1, characterized in that, The cover plate (9) has multiple slots (20), the water injection pipe (18) extends to the outside through one of the slots (20), and the fuel inlet pipe (8) is fixedly provided with buckles (19), and the two buckles (19) are respectively connected to the two sides of the cover plate (9).

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