Small boiler

Abstract

The utility model provides a small boiler which comprises a box body, an asbestos heat insulation plate, a cooking bench, a smoke exhaust pipe, a cyclone dust remover, an ash outlet, a grate, a fuel inlet, a heat exchanger, a first fan, an air chamber, a partition plate and a second fan. Partition plates are arranged on the two sides of the box body respectively, air chambers are formed between the partition plates and the side walls of the box body, holes are drilled in the partition plates in order, the holes face gaps of the heat exchanger vertical pipes and the heat exchanger transverse pipes, and the two sides of the holes are arranged at intervals, so that secondary oxygen supply air flow entering the box body generates multiple circulating air flows. The air chamber is connected with a first draught fan, and a speed adjusting motor is arranged on the first draught fan. According to the utility model, environmental pollution is reduced, waste is turned into wealth, and rural renewable energy sources are fully utilized.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of biomass energy utilization and energy conversion heating machinery, in particular to a small boiler. BACKGROUND

[0002] At present, rural waste in China has not been fully utilized, and some waste has poor combustion effect or is difficult to burn like low-quality coal, so it is discarded by people. In addition, rural heating usually adopts the way of burning kang, uses straw or branches to heat, and the combustion is not sufficient. Clean energy is needed for heating, and reducing environmental pollution is also a top priority. CONTENT OF UTILITY MODEL

[0003] The utility model aims at solving the problem that rural waste is not fully utilized, and some waste has poor combustion effect and is not environmentally friendly, so as to provide a small boiler, which fully burns rural waste (such as corn stalks, stumps, branches and cow dung) or low-quality coal, increases the types of waste utilization, improves the thermal efficiency of fuel, reduces smoke emission and reduces environmental pollution.

[0004] To achieve the above-mentioned utility model purposes, the utility model provides a small boiler, which comprises a box body, an asbestos heat insulation plate, a cooking bench, a smoke exhaust pipe, a cyclone dust collector, an ash outlet, a grate, a fuel inlet, a heat exchanger, a first fan, an air chamber, a partition plate and a second fan.

[0005] The inside of the box body is provided with an asbestos heat insulation plate; the front side of the box body is provided with a fuel inlet, the upper part of the box body is provided with a heat exchanger, and the lower part of the box body is provided with a grate; the rear side of the lower part of the grate is provided with an ash outlet; the upper side of the rear part of the box body is provided with a cooking bench; the rear part of the cooking bench is connected with the smoke exhaust pipe; the smoke exhaust pipe is provided with a cyclone dust collector; and the fuel inlet is provided with a second fan.

[0006] The heat exchanger comprises heat exchanger vertical pipes and heat exchanger horizontal pipes; the heat exchanger horizontal pipes are arranged in the upper part of the box body; the heat exchanger vertical pipes are arranged in the middle part of the box body in multiple rows; one end of the heat exchanger vertical pipes and the heat exchanger horizontal pipes is connected with a water inlet pipe, and the other end is connected with a water outlet pipe; and a pipeline pump is arranged on the water inlet pipe.

[0007] The two sides of the box body are respectively provided with partition plates, and the partition plates and the side walls of the box body form air chambers; the partition plates are provided with holes in an orderly and regular manner; the holes are arranged opposite to the gaps between the heat exchanger vertical pipes and the heat exchanger horizontal pipes; and the holes are arranged alternately on the two sides, so that multiple circulating air flows are generated in the secondary oxygen flow entering the inside of the box body; the air chambers are connected with a first fan; and a speed regulating motor is arranged on the first fan.

[0008] Further, the heat exchanger vertical pipes and the heat exchanger horizontal pipes are rectangular steel pipes.

[0009] Further, a first temperature sensor is arranged on the upper part of the box body and connected with the speed regulating motor on the first fan.

[0010] Furthermore, a second temperature sensor is installed on the outlet pipe, and the second temperature sensor is connected to the pipeline pump on the inlet pipe.

[0011] The beneficial effects of this utility model are that the boiler can be used for both heating and cooking, possessing multiple functions. Waste generated during agricultural production and low-quality coal are fully utilized, reducing environmental pollution, turning waste into treasure, and making full use of rural renewable energy. The boiler is equipped with temperature sensor A, which controls the speed of the variable-speed motor on fan A, thereby regulating the amount of oxygen entering the air chamber and ensuring a uniform temperature in the furnace. Temperature sensor B is installed on the water outlet pipe, which controls the pipeline pump on the water inlet pipe, thereby changing the water flow rate in the pipe and ensuring a uniform temperature inside the furnace. This boiler is safe and reliable in operation, has great application prospects, and offers significant economic and social benefits. Attached Figure Description

[0012] Figure 1 This is a cross-sectional view of the present invention.

[0013] Figure 2 This is a top view of the present invention.

[0014] Figure 3 This is the left view of this utility model.

[0015] Figure 4 This is a BB cross-sectional view of this utility model.

[0016] Figure 5 This is a schematic diagram of the actual application of the indoor circulating water heat exchange of this utility model.

[0017] Figure 6 This is a schematic diagram of the secondary oxygen supply and oxidation of this utility model.

[0018] Figure 7 This is a schematic diagram of the actual application of the indoor hot air heating of this utility model.

[0019] The components are as follows: 1. Box body; 2. Asbestos insulation board; 3. First temperature sensor; 4. Second temperature sensor; 5. Water outlet pipe; 6. Stove; 7. Smoke exhaust pipe; 8. Cyclone dust collector; 9. Ash outlet; 10. Grate; 11. Wheels; 12. Pipeline pump; 13. Water inlet pipe; 14. Fuel inlet; 15. Heat exchanger vertical pipe; 16. Heat exchanger horizontal pipe; 17. First fan; 18. Speed-regulating motor; 19. Air chamber; 20. Partition plate; 21. Boiler body; 22. Heat supply pipe; 23. Radiator; 24. Second fan. Detailed Implementation

[0020] In order to better understand the purpose, structure and function of the utility model, the utility model is further described in detail below in combination with the drawings.

[0021] Referring to Figures 1 to 4 , the description is made in the orientation that the smoke exhaust pipe 7 is at the rear, the fuel inlet 14 is at the front, and the cooking table is at the upper part.

[0022] The small boiler is composed of a box body 1, an asbestos heat insulation plate 2, a cooking table 6, a smoke exhaust pipe 7, a cyclone dust collector 8, an ash outlet 9, a grate 10, a fuel inlet 14, a heat exchanger, a first fan 17, an air chamber 19, a partition plate 20, a second fan 24 and the like.

[0023] The fuel inlet 14 is arranged at the front side of the box body 1, the heat exchanger is arranged at the upper part in the box body, and the grate 10 is arranged at the lower part in the box body. The ash outlet 9 is arranged at the rear side of the lower part of the box body, the cooking table 6 is arranged at the upper side of the rear part of the box body, the smoke exhaust pipe 7 is connected to the rear part of the cooking table 6, the cooking table 6 is used for cooking food, so that the boiler has multiple functions, and the cyclone dust collector 8 is arranged on the smoke exhaust pipe 7. The second fan 24 is arranged at the fuel inlet 14 and is used for supplying air into the hearth. The asbestos heat insulation plate 2 is arranged at the inner side of the box body 1.

[0024] The heat exchanger comprises heat exchanger vertical pipes 15 and heat exchanger horizontal pipes 16. The heat exchanger horizontal pipes 16 are arranged at the upper part in the box body 1, the heat exchanger vertical pipes 15 are arranged in multiple rows at the middle part in the box body 1, one end of the heat exchanger vertical pipes 15 and the heat exchanger horizontal pipes 16 is connected to the water inlet pipe 13, the other end is connected to the water outlet pipe 5, and the water inlet pipe is provided with a pipeline pump 12. In order to increase the heating area of the heat exchanger vertical pipes 15 and the heat exchanger horizontal pipes 16, the heat exchanger vertical pipes 15 and the heat exchanger horizontal pipes 16 are made of rectangular steel pipes. When the fuel is burned to heat the water in the heat exchanger vertical pipes 15 and the heat exchanger horizontal pipes 16, the water outlet pipe 5 is connected to the radiator in the room through the heat supply pipeline 22 and is used for room heating. Figure 5 .

[0025] Referring to Figure 4 and Figure 6 , the partition plates 20 are arranged at the two sides of the box body respectively, the air chamber 19 is formed between the partition plates and the side walls of the box body, the partition plates 20 are provided with holes in an orderly and regular manner, the holes are arranged opposite to the gaps of the heat exchanger vertical pipes 15 and the heat exchanger horizontal pipes 16, and the holes are arranged alternately at the two sides, so that the secondary oxygen flow entering the inside of the box body 1 generates multiple circulating air flows, the carbon in the fuel and the flame is further oxidized, the heating value of the fuel is increased, and the purpose of reducing the emission of smoke dust is achieved. The air chamber 19 is connected to the first fan 17 and is used for supplying air into the air chamber, further supplying the air into the hearth through the holes in the partition plates 20, and the first fan 17 is provided with a speed regulating motor 18.

[0026] The first temperature sensor 3 is installed on the upper part of the box 1 and is connected with the speed regulating motor 18 on the first fan 17, which is used to control the rotating speed of the speed regulating motor on the fan A, so as to adjust the oxygen entering amount of the air chamber, balance the temperature in the furnace, and control the temperature in the box 1. The second temperature sensor 4 is installed on the water outlet pipe 5 and is connected with the pipeline pump 12 on the water inlet pipe 13, which is used to control the pipeline pump on the water inlet pipe, so as to change the flow rate of the water in the pipeline and balance the temperature in the room.

[0027] The box 1 is designed with wheels 11, which is convenient for the movement of the boiler. The inner side of the box 1 is inlaid with the asbestos heat insulation plate 2, which plays the roles of heat insulation, heat preservation, heat energy non-outflow, safety protection and prevention of operator scalding. The cyclone dust collector 8 is installed on the smoke exhaust pipe 7, which further reduces the pollutants discharged into the atmosphere, so as to achieve the purpose of clean and environmental protection.

[0028] In another embodiment of the utility model, air is introduced into the heat exchanger instead of water, and hot air is directly sent into the room through the heat supply pipeline 22. Figure 7 .

Claims

1. A small boiler, characterized by: The box (1), the asbestos heat insulation board (2), the cooking bench (6), the smoke exhaust pipe (7), the cyclone dust collector (8), the ash outlet (9), the grate (10), the fuel inlet (14), the heat exchanger, the first fan (17), the air chamber (19), the partition (20), the second fan (24); The box (1) is internally provided with the asbestos heat insulation board (2); the front side of the box (1) is provided with the fuel inlet (14), the upper part of the box is provided with the heat exchanger, the lower part of the box is provided with the grate (10), the rear side of the lower part of the grate (10) is provided with the ash outlet (9), the upper side of the rear part of the box is provided with the cooking bench (6), the rear part of the cooking bench (6) is connected with the smoke exhaust pipe (7), the smoke exhaust pipe (7) is provided with the cyclone dust collector (8), and the fuel inlet (14) is provided with the second fan (24); The heat exchanger comprises heat exchanger vertical pipes (15) and heat exchanger horizontal pipes (16); the heat exchanger horizontal pipes (16) are arranged in the upper part of the box (1), the heat exchanger vertical pipes (15) are arranged in the middle part of the box (1) in multiple rows, one end of the heat exchanger vertical pipes (15) and the heat exchanger horizontal pipes (16) is connected with the water inlet pipe (13), the other end is connected with the water outlet pipe (5), and the water inlet pipe is provided with the pipeline pump (12); The box is provided with the partition (20) on both sides, the air chamber (19) is formed between the partition (20) and the side wall of the box, the partition (20) is provided with orderly and regularly drilled holes, the holes are arranged opposite the gaps of the heat exchanger vertical pipes (15) and the heat exchanger horizontal pipes (16), and the holes are arranged alternately on both sides, so that multiple circulating air flows of the secondary oxygen supply air flow entering the inside of the box (1) are generated; the air chamber (19) is connected with the first fan (17), and the first fan (17) is provided with the speed regulation motor (18).

2. A compact boiler according to claim 1, characterized in that The heat exchanger vertical pipes (15) and the heat exchanger horizontal pipes (16) are rectangular steel pipes.

3. A compact boiler according to claim 1, characterized in that: The upper part of the box (1) is provided with the first temperature sensor (3) and is connected with the speed regulation motor (18) of the first fan (17).

4. A compact boiler according to claim 1, characterized in that: The water outlet pipe (5) is provided with the second temperature sensor (4), and the second temperature sensor (4) is connected with the pipeline pump (12) of the water inlet pipe (13). The water outlet pipe (5) is provided with the second temperature sensor (4), and the second temperature sensor (4) is connected with the pipeline pump (12) of the water inlet pipe (13).

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