Energy-saving environment-friendly full-automatic biomass hot water boiler

Abstract

The utility model discloses an energy-saving environment-friendly full-automatic biomass hot-water boiler, which belongs to the technical field of hot-water boilers and comprises a feeding device, the feeding device comprises a hopper and a conveying component, and the hopper forms a feed opening; the combustion device comprises a combustion chamber and a smoke exhaust pipe; the preheating device comprises a preheating copper pipe and an air extracting pump, the preheating copper pipe is wound around the smoke exhaust pipe, an air inlet and an air outlet are formed in the preheating copper pipe, the air inlet is communicated with the atmosphere, and the air outlet is communicated with the discharging opening; in this way, due to the fact that the temperature of the smoke exhaust pipe is high, and the preheating copper pipe is made of heat conduction metal, the temperature of air gradually rises in the process of flowing from the air inlet to the air outlet, the biomass fuel is heated by high-temperature gas, the energy utilization efficiency can be improved, liquid in the biomass fuel is evaporated after being preheated, and the energy utilization rate is increased. And the biomass fuel can react with oxygen more quickly and completely, so that the emission of hydrocarbon which is not completely combusted is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of hot water boilers, and particularly relates to an energy-saving, environment-friendly and fully automatic biomass hot water boiler. Background Art

[0002] A biomass hot water boiler is a boiler that uses biomass as fuel; the structure of a biomass hot water boiler includes a furnace body, a combustion device, a grate, etc. Its combustion process is that the fuel is fed into the combustion chamber of the boiler. Under high temperature and sufficient oxygen supply, the biomass fuel starts to burn to generate heat, and the released heat energy is transferred to the water or other heat transfer media in the boiler.

[0003] Biomass fuel is composed of organic substances such as plant materials, agricultural wastes, animal feces, etc. These substances usually contain a certain amount of moisture in their natural state, and biomass fuel with high water content may produce more smoke and pollutants. Therefore, an energy-saving, environment-friendly and fully automatic biomass hot water boiler is needed to solve the above problems. Content of the Utility Model

[0004] The purpose of the utility model is to provide an energy-saving, environment-friendly and fully automatic biomass hot water boiler to solve the problems put forward in the above background art.

[0005] To achieve the above purpose, the utility model provides the following technical solution: an energy-saving, environment-friendly and fully automatic biomass hot water boiler, comprising:

[0006] A feeding device, the feeding device includes a hopper and a conveying component, and the hopper forms a feeding port communicating with the conveying component;

[0007] A combustion device, the combustion device includes a combustion chamber communicating with the conveying component and a smoke exhaust pipe communicating with the combustion chamber;

[0008] A preheating device, the preheating device includes a preheating copper pipe and an air extraction pump connected to the preheating copper pipe. The preheating copper pipe is wound around the smoke exhaust pipe. The preheating copper pipe forms an air inlet and an air outlet communicating with the air inlet. The air inlet leads to the atmosphere, and the air outlet is communicated with the feeding port of the hopper;

[0009] A housing, the feeding device and the combustion device are installed in the housing.

[0010] As a preferred solution, the combustion device further includes an ash collection chamber and an ash cleaning port communicating with the ash collection chamber. The ash collection chamber is communicated with the combustion chamber and is located below the combustion chamber.

[0011] As a preferred solution, the combustion device further includes an upper smoke chamber and a lower smoke chamber. The upper smoke chamber is communicated with the exhaust pipe, and the upper smoke chamber and the lower smoke chamber are communicated through a smoke pipe.

[0012] As a preferred solution, the housing has a water inlet and a water outlet communicated with the water inlet, and a space for the medium water to flow is formed between the water inlet and the water outlet.

[0013] As a preferred solution, the horizontal height of the water inlet is lower than the horizontal height of the water outlet.

[0014] As a preferred solution, the combustion device further includes a blower. The blower is arranged in the same orientation as the conveying component, and the blower faces the combustion chamber.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] In the present utility model, by providing a preheating device, the preheating device includes a preheating copper pipe and an air extraction pump. The preheating copper pipe is wound around the exhaust pipe, and the air extraction pump is used to extract air from the air inlet of the preheating copper pipe to the air outlet communicated with the blanking port of the hopper. Since the temperature of the exhaust pipe is relatively high and the preheating copper pipe is a heat-conducting metal, the temperature of the air gradually increases during the process of flowing from the air inlet to the air outlet. In this way, the biomass fuel at the blanking port is heated by the high-temperature gas, which can not only improve the energy utilization efficiency, but also the liquid in the biomass fuel is preheated and evaporated, so that the biomass fuel can react with oxygen more quickly and completely during combustion, thereby reducing the emission of unburned hydrocarbons;

[0017] In the present utility model, by providing a housing with a water inlet and a water outlet, a space for the medium water to flow is formed between the water inlet and the water outlet. In this way, during the process of the low-temperature water flowing from the water inlet to the water outlet, heat is released due to the flow of the high-temperature flue gas. Therefore, the low-temperature water absorbs heat and the temperature rises, and the horizontal height of the water inlet is lower than the horizontal height of the water outlet, thereby forming a countercurrent to achieve the best heat exchange effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a three-dimensional schematic diagram of one angle of the present utility model;

[0019] Figure 2 is a three-dimensional schematic diagram of another angle of the present utility model;

[0020] Figure 3 is a top view of the present utility model;

[0021] Figure 4 is a front sectional view of the present utility model.

[0022] In the figure: 1. Loading device; 11. Hopper; 111. Discharge opening; 12. Conveyor assembly; 2. Combustion device; 21. Combustion chamber; 22. Smoke exhaust pipe; 23. Ash collection chamber; 24. Ash cleaning opening; 25. Upper smoke chamber; 26. Lower smoke chamber; 27. Smoke pipe; 28. Blower; 3. Preheating device; 31. Preheating copper pipe; 311. Air inlet; 312. Air outlet; 32. Air extraction pump; 4. Housing; 41. Water inlet; 42. Water outlet. Specific embodiments

[0023] The following further describes the present utility model in conjunction with embodiments.

[0024] The following embodiments are used to illustrate the present utility model, but cannot be used to limit the protection scope of the present utility model. The conditions in the embodiments can be further adjusted according to specific conditions. Any simple improvement of the method of the present utility model under the premise of the concept of the present utility model belongs to the scope of protection required by the present utility model.

[0025] Please refer to Figures 1-4 , the present utility model provides an energy-saving and environment-friendly fully automatic biomass hot water boiler, including:

[0026] A loading device 1, the loading device 1 includes a hopper 11 and a conveyor assembly 12, the hopper 11 forms a discharge opening 111 communicating with the conveyor assembly 12, and the conveyor assembly 12 is provided for automatic feeding, reducing the labor intensity of boiler workers;

[0027] A combustion device 2, the combustion device 2 includes a combustion chamber 21 communicating with the conveyor assembly 12 and a smoke exhaust pipe 22 communicating with the combustion chamber 21;

[0028] A preheating device 3, the preheating device 3 includes a preheating copper pipe 31 and an air extraction pump 32 connected to the preheating copper pipe 31, the preheating copper pipe 31 is wound around the smoke exhaust pipe 22, the preheating copper pipe 31 forms an air inlet 311 and an air outlet 312 communicating with the air inlet 311, the air inlet 311 leads to the atmosphere, and the air outlet 312 communicates with the discharge opening 111 of the hopper 11;

[0029] A housing 4, the loading device 1 and the combustion device 2 are installed in the housing 4;

[0030] The combustion device 2 further includes an ash collection chamber 23 and an ash cleaning opening 24 communicating with the ash collection chamber 23, the ash collection chamber 23 communicates with the combustion chamber 21 and is located below the combustion chamber 21, thus facilitating boiler workers to clean the ashes;

[0031] The combustion device 2 further includes an upper smoke chamber 25 and a lower smoke chamber 26, the upper smoke chamber 25 communicates with the smoke exhaust pipe 22, and the upper smoke chamber 25 and the lower smoke chamber 26 communicate with each other through a smoke pipe 27;

[0032] The housing 4 has a water inlet 41 and a water outlet 42 communicating with the water inlet 41, and a space for the medium water to flow is formed between the water inlet 41 and the water outlet 42;

[0033] The horizontal height of the water inlet 41 is lower than that of the water outlet 42, so that the water forms a countercurrent, improving the heat exchange effect;

[0034] The combustion device 2 further includes a blower 28. The blower 28 is arranged in the same orientation as the conveying component 12, and the blower 28 faces the combustion chamber 21. By arranging the blower 28, the biomass fuel in the combustion chamber 21 burns more fully.

[0035] The working principle and usage process of the present utility model:

[0036] First, the boiler worker puts the biomass fuel into the hopper 11. Under the action of gravity, the biomass fuel falls to the blanking port 111, and then the transmission component 12 conveys the biomass fuel at the blanking port 111 to the combustion chamber 21, thus realizing automatic feeding and reducing the labor intensity of the boiler worker;

[0037] The biomass fuel starts to burn in the combustion chamber 21 and generates heat, high-temperature flue gas and ashes. Among them, the high-temperature flue gas passes through the upper smoke chamber 25 and is collected in the lower smoke chamber 26 through the smoke pipe 27, then flows through the smoke pipe 27 again and enters the upper smoke chamber 25, and finally is discharged to the outside of the housing 4 from the smoke exhaust pipe 22;

[0038] At the same time, the low-temperature water enters the interior of the housing 4 from the water inlet 41 and starts to flow, and at the same time absorbs heat and becomes high-temperature water. Finally, the high-temperature water is discharged to the outside of the housing 4 through the water outlet 42, forming a countercurrent to achieve the best heat exchange effect;

[0039] It is worth mentioning that finally, due to the relatively high temperature of the smoke exhaust pipe 22 through which the high-temperature flue gas passes, and the preheating copper pipe 31 is a heat-conducting metal, the temperature of the air gradually rises during the process of flowing from the air inlet 311 to the air outlet 312. In this way, the biomass fuel at the blanking port 111 is heated by the high-temperature gas flowing out of the air outlet 312. In this way, not only can the energy utilization efficiency be improved, but also the liquid in the biomass fuel is preheated and evaporated, so that the biomass fuel can react with oxygen more quickly and completely during combustion, thereby reducing the emission of unburned hydrocarbons;

[0040] The ashes generated after the biomass fuel burns in the combustion chamber 21 fall to the ash collection chamber 23 under the action of gravity, and the boiler worker can clean the ashes in the ash collection chamber 23 through the ash cleaning port 24.

[0041] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. An energy-saving and environmentally friendly fully automatic biomass hot water boiler, characterized in that: include: A feeding device (1), the feeding device (1) comprising a hopper (11) and a conveying assembly (12), the hopper (11) forming a feeding port (111) connected to the conveying assembly (12); A combustion device (2), the combustion device (2) comprising a combustion chamber (21) communicated with the transmission assembly (12) and a smoke exhaust pipe (22) communicated with the combustion chamber (21); A preheating device (3), the preheating device (3) comprising a preheating copper tube (31) and an air pump (32) connected to the preheating copper tube (31), the preheating copper tube (31) being wound around the smoke exhaust pipe (22), the preheating copper tube (31) forming an air inlet (311) and an air outlet (312) connected to the air inlet (311), the air inlet (311) leading to the atmosphere, and the air outlet (312) being connected to a discharge port (111) of the hopper (11); A shell (4), wherein the feeding device (1) and the combustion device (2) are installed in the shell (4).

2. The energy-saving and environment-friendly fully automatic biomass hot water boiler according to claim 1 is characterized by: The combustion device (2) further comprises an ash collecting chamber (23) and an ash cleaning port (24) connected to the ash collecting chamber (23); the ash collecting chamber (23) is connected to the combustion chamber (21) and is located below the combustion chamber (21).

3. The energy-saving and environment-friendly fully automatic biomass hot water boiler according to claim 2 is characterized by: The combustion device (2) further comprises an upper smoke chamber (25) and a lower smoke chamber (26); the upper smoke chamber (25) is connected to the smoke exhaust pipe (22); and the upper smoke chamber (25) and the lower smoke chamber (26) are connected via a smoke pipe (27).

4. The energy-saving and environment-friendly fully automatic biomass hot water boiler according to claim 1 is characterized by: The housing (4) has a water inlet (41) and a water outlet (42) connected to the water inlet (41), and a space for medium water to flow is formed between the water inlet (41) and the water outlet (42).

5. The energy-saving and environment-friendly fully automatic biomass hot water boiler according to claim 4 is characterized by: The level of the water inlet (41) is lower than the level of the water outlet (42).

6. The energy-saving and environment-friendly fully automatic biomass hot water boiler according to claim 3 is characterized by: The combustion device (2) further comprises a blower (28), wherein the blower (28) is arranged in the same orientation as the conveying assembly (12), and the blower (28) faces the combustion chamber (21).

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