CN207365170U - Rural Families coal and electricity dual-purpose energy-saving micro safety normal-pressure hot water heating boiler - Google Patents

Abstract

The utility model discloses a miniature energy-saving normal-pressure safe hot water heating boiler for coal and electricity in rural households, which belongs to the technical field of normal-pressure boilers. The utility model is provided with a gas outlet water tank on the upper part of the heating pipeline of the boiler. The gas outlet water tank has an open gas outlet and acts as a safety valve. The gas generated in the water pipe in the furnace can be directly discharged from the water tank, increasing the overall system efficiency. At the same time, the water inlet is set on the upper end of the boiler, the hot water and hot air generated naturally flow upwards, and the cold water flows downwards, forming an automatic circulation system without a water pump. In addition, a furnace, boiler and boiler are installed in the furnace. The oblique curved tube increases the heating area, and can realize switching heating between coal and electricity, energy saving and environmental protection, and safe "no pressure". The practice effect is remarkable.

Description

Coal and electricity dual-purpose miniature energy-saving atmospheric pressure safe hot water heating boiler for rural households

technical field

The utility model relates to a household atmospheric pressure boiler, which belongs to the technical field of boilers.

Background technique

The existing normal-pressure civil heating boilers have the following problems in use: 1. The heating water pipe is a closed system, and the gas generated in the water pipe is not easy to release, which affects the use effect and increases the risk; 2. The heating area of the inner wall of the boiler is small. The flue and the fire path are relatively straight, and a lot of heat is directly discharged from the flue along with the flue gas, resulting in low thermal efficiency of the boiler, which affects the use efficiency and heating effect of the boiler; 3. When the natural environment is below -30°C, the fuel suddenly Exhausted or faulty, boilers and indoor facilities are prone to freezing damage.

Contents of the invention

In order to overcome the deficiencies of the above-mentioned prior art, the utility model provides a rural domestic coal-electricity dual-purpose miniature energy-saving atmospheric pressure safe hot water heating boiler, which adopts a gas outlet water tank, which is open to the atmosphere and cannot form pressure, which is convenient for gas discharge. Safe and practical. At the same time, the furnace and boiler are installed to prevent the flue and fire path from being straight, increase the heating area, improve the safety and efficiency of the boiler, and have a better heating effect. In addition, it is designed and installed with an electric heating wire for heating. When there is a problem with the fuel, it can be heated by electricity to ensure heating.

The utility model is realized through the following technical solutions: a rural household coal-electricity dual-purpose miniature energy-saving atmospheric pressure safe hot water heating boiler, comprising an upright boiler main body, the boiler main body has a cavity furnace wall, and the interior of the cavity furnace wall is an upper Large and small inverted conical furnace inner wall, the cavity furnace wall of the entire boiler body forms a connected water channel, the upper end of the boiler body is equipped with a flue and a vertical main water pipe, the main water pipe communicates with the cavity furnace wall, and the upper end of the main water pipe A gas outlet water tank is connected, and a water level controller is installed in the gas outlet water tank. The gas outlet water tank is a water tank with an open upper part. The middle part of the lower end of the gas outlet water tank is connected with the main water pipe through the water tank joint. A plurality of radiators are connected to the top, and the end of the heating water pipe is a return pipe, which is connected to the lower part of the boiler body, and the return pipe communicates with the cavity furnace wall to form an automatic circulation return pipe circuit without a water pump. The interior is equipped with a furnace gall, a furnace pot and a furnace grate from top to bottom. A combustion chamber is formed between the furnace pot and the furnace grate. The furnace furnace and the furnace pot are hollow shells inside. A plurality of connecting straight pipes communicate with the furnace wall of the cavity, smoke holes are formed between the plurality of connecting straight pipes, the furnace is in the shape of an oblate spheroid, and the furnace pot has an axial area larger than the furnace A pot-shaped shell with a flat upper part and a sharp lower part or an oblate spheroid with a flat upper part; an electric heating pipe is also installed on the boiler body, one end of the electric heating pipe is connected to the cavity furnace wall at the lower end of the boiler body, and the other end of the electric heating pipe is connected to the boiler body. The main water pipe, the electric heating pipe is equipped with an electric heating wire for heating; the outer wall of the boiler body at the corresponding position of the combustion chamber is equipped with an ash door, a furnace door and a slag door that can be opened and closed.

The inner wall of the boiler body is equipped with a plurality of oblique curved tubes inclined to the right or left. The curved tubes are curved tubes placed obliquely and vertically. The position of the curved pipe corresponds to the position of the smoke passing hole.

The pipe wall of the flue is connected with the cavity furnace wall, the pipe wall of the flue is connected with a flue water pipe, the lower end of the flue water pipe is connected with the pipe wall of the flue, and the upper end of the flue water pipe is connected with the The main water pipe is connected.

The total height of the main body of the boiler is not more than 2.4 meters.

The beneficial effects of the utility model are:

1. The utility model is equipped with a gas outlet water tank on the heating pipeline of the boiler. The gas outlet water tank is open to the atmosphere, and the gas generated in the boiler or pipeline will naturally be discharged through the gas outlet water tank (gas outlet). The gas in the boiler and water pipes can It is directly discharged from the water tank, which increases the safety of the whole system. At the same time, the water inlet is set on the upper end of the boiler, hot water and hot air flow upward, and cold water flows downward, forming a natural circulation system without a water pump, which is energy-saving, environmentally friendly, and safe "no pressure".

2. The structure of the furnace and boiler, as well as the inclined curved pipe on the inner wall is adopted to prevent the flue and fire path from being straight, increase the heating area of the pipeline, improve the safety and use efficiency of the boiler, and have better heating effect. And save energy and reduce consumption.

3. An electric hot water pipe is installed on the main body of the boiler to realize the effect of flexibly switching the heating equipment or supplementing the temperature of the pipeline, as well as using electricity for heating without fuel.

4. The ash door, furnace door and slag door are specially set up on the lower furnace body of the boiler. In addition to realizing the natural function of the "door", it can also automatically save energy and reduce consumption.

The practical application proves that the utility model has remarkable effects of energy saving, consumption reduction, safety and environmental protection.

Description of drawings

Below according to accompanying drawing and embodiment the utility model is further described.

Fig. 1 is a structural representation of the utility model;

Fig. 2 is a schematic diagram of the internal structure of the boiler body of the utility model;

Fig. 3 is the top view of boiler;

Fig. 4 is a schematic diagram of the external structure of the main body of the boiler.

In the figure, 1, gas outlet water tank, 1-1, water tank joint, 1-2, automatic water level controller, 2, flue water pipe, 3, flue, 4, boiler main body, 4-1, cavity furnace wall, 4 -2. Inner wall of inverted conical furnace, 5. Ash door, 6. Furnace door, 7. Slag discharge door, 8. Return water pipe, 9. Heating wire, 10. Electric heating pipe, 11. Radiator, 12. Heating water pipe, 13, main water pipe, 14, stove pot, 15, furnace gall, 16, connecting straight pipe, 17, oblique curved pipe, 18, passing smoke hole, 19, fire grate.

Detailed ways

Below in conjunction with embodiment the utility model is further described.

As shown in Fig. 1-Fig. 4, a rural household coal-electricity dual-purpose miniature energy-saving atmospheric pressure safe hot water heating boiler includes an upright boiler main body 4, the boiler main body has a cavity furnace wall 4-1, and a cavity furnace wall 4 -1 is an inverted conical furnace inner wall 4-2 with a large top and a small bottom. The cavity furnace wall 4-1 of the entire boiler body forms a connected water channel. The upper end of the boiler body 4 is equipped with a flue 3 and a vertical main water pipe 13. , the main water pipe 13 communicates with the cavity furnace wall 4-1, the upper end of the main water pipe is connected with an air outlet water tank 1, and a water level controller 1-2 is installed in the air outlet water tank 1, and the air outlet water tank 1 is a water tank with an open top, and the air outlet water tank 1. The middle part of the lower end communicates with the main water pipe 13 through the water tank joint 1-1. The main water pipe 13 is connected with a heating water pipe 12, and a plurality of radiators 11 are connected to the heating water pipe 12. The end of the heating water pipe 12 is a return pipe 8. The return pipe 8 is connected to the lower part of the boiler body 4, and the return pipe 8 communicates with the cavity furnace wall 4-1 to form an automatic circulation return pipe circuit without a water pump. The interior of the boiler body 4 is equipped with Furnace furnace 15, furnace pot 14 and fire grate 19, form combustion chamber between furnace pot 14 and fire grate 19, described furnace furnace 15 and furnace pot 14 are inner hollow shells, the side of furnace furnace 15 and furnace pot 14 The part is connected with the cavity furnace wall 4-1 through a plurality of connecting straight pipes 16, and a smoke hole 18 is formed between a plurality of connecting straight pipes 16. The furnace gall 15 is in the shape of an upper flat oblate spheroid. 14 is a pot-shaped shell with a flat upper part and a sharper lower part than the furnace gall 15 in axial area or an oblate spheroid with an upper flat part; the boiler body 4 is also equipped with an electric heating pipe 10, and one end of the electric heating pipe 10 is connected to the lower end of the boiler body 4 The cavity furnace wall 4-1, the other end of the electric hot water pipe 10 is connected to the main water pipe 13, and the electric heating wire 9 is installed in the electric hot water pipe 10; Open and close ash door 5, furnace door 6 and slag door 7.

The inner wall of the boiler main body 4 is equipped with a plurality of right or left oblique curved tubes 17, the oblique curved tubes 17 are curved tubes placed obliquely vertically, and the two ends of the oblique curved tubes 17 are located on the cavity furnace wall. 4-1 is connected, and the position of the inclined pipe 17 corresponds to the position of the smoke passing hole 18 .

The pipe wall of the flue 3 communicates with the cavity furnace wall 4-1, the pipe wall of the flue 3 is connected with a flue water pipe 2, and the lower end of the flue water pipe 2 communicates with the pipe wall of the flue 3, The upper end of the flue water pipe 2 communicates with the main water pipe 13 .

The total height of the boiler body 4 is no more than 2.4 meters.

The gas outlet water tank 1 is open to the atmosphere, and is filled with water before the boiler is in operation. An automatic water level controller 1-2 is installed at two places above and below the gas outlet water tank 1, and the automatic controller 1-2 and the gas outlet water tank 1 are connected with an external water pipe. .

The utility model is equipped with a gas outlet water tank on the heating pipeline of the boiler. The gas outlet water tank has an open gas outlet and acts as a safety valve. The gas generated in the water pipe can be directly discharged from the water tank naturally, which increases the safety of the entire system. At the same time, the water inlet is set on the upper end of the boiler, hot water and hot air flow upward naturally, and cold water flows downward, forming an automatic circulation system without a water pump, which is energy-saving and environmentally friendly. A water level controller is installed at the uppermost and lowermost points in the air outlet water tank. When the water reaches a certain level or the water evaporates to a certain degree, the water level controller will automatically stop water supply or supply water. The furnace and boiler are used to block the direct passage of the fire path and smoke, so that the flame and smoke spread to the surroundings, and the inner wall is inclined to the curved pipe and other structures to prevent the flue and fire path from being straight and increase the pipeline. The heating area improves the safety and efficiency of the boiler, and the heating effect is better. The ash door, furnace door and slag door are specially set up, which can not only realize the natural function of "door", but also play the role of automatic energy saving and consumption reduction. If the coal in the furnace burns too vigorously and the indoor temperature is too high, you can open the ash door or the furnace door, the chimney suction will drop, and the natural wind (air) will enter the chimney from the opened door directly through the flue, and the coal in the lower layer will burn. The speed naturally slows down or basically does not burn. An electric hot water pipe is also installed on the main body of the boiler to achieve the effect of flexibly switching heating equipment or supplementing the temperature of the pipeline, as well as using electricity for heating without fuel.

Claims (4)

1. A miniature energy-saving atmospheric pressure safe hot water heating boiler for coal and electricity in rural households, characterized in that it includes an upright boiler body (4), the boiler body has a cavity furnace wall (4-1), and the cavity furnace wall (4-1) The interior is an inverted conical furnace wall (4-2) with a large top and a small bottom. The cavity furnace wall (4-1) of the entire boiler body forms a connected water channel. The upper end of the boiler body (4) is equipped with smoke (3) and the vertical main water pipe (13), the main water pipe (13) is connected with the cavity furnace wall (4-1), the upper end of the main water pipe is connected with the air outlet water tank (1), and the air outlet water tank (1) is installed The water level controller (1-2), the air outlet water tank (1) is a water tank with an open upper part, and the middle part of the lower end of the air outlet water tank (1) communicates with the main water pipe (13) through the water tank joint (1-1). The main water pipe (13) is connected with a heating water pipe (12), and a plurality of radiators (11) are connected to the heating water pipe (12). The end of the heating water pipe (12) is a return pipe (8), and the return pipe (8) is connected to The lower part of the boiler body (4), the return pipe (8) is connected with the cavity furnace wall (4-1), forming an automatic circulation return pipe circuit without a water pump, and the inside of the boiler body (4) is from top to bottom Furnace gall (15), stove pot (14) and fire grate (19) are housed at one time, form combustion chamber between stove pot (14) and fire grate (19), described stove gall (15) and stove pot (14 ) is a hollow shell inside, and the sides of the furnace (15) and boiler (14) communicate with the cavity furnace wall (4-1) through a plurality of connecting straight pipes (16), and a plurality of connecting straight pipes ( 16) to form a smoke hole (18), the furnace (15) is in the shape of an oblate spheroid, and the furnace pot (14) has an axial area larger than the upper part of the furnace (15), which is flat and the lower part is sharp A pot-shaped shell or an upper flat oblate spheroid; the boiler body (4) is also equipped with an electric heating pipe (10), and one end of the electric heating pipe (10) is connected to the cavity furnace wall (4) at the lower end of the boiler body (4) -1), the other end of the electric heating pipe (10) is connected to the main water pipe (13), and the electric heating pipe (10) is equipped with an electric heating wire (9) for electric heating; the boiler body (4) is at the corresponding position of the combustion chamber There are ash door (5), furnace door (6) and slag door (7) which can be opened and closed on the outer wall. 2. The rural household coal and electricity dual-purpose miniature energy-saving atmospheric pressure safe hot water heating boiler according to claim 1, characterized in that: the inner wall of the boiler body (4) is equipped with a plurality of right-sloping or left-sloping curves Pipe (17), obliquely curved pipe (17) is a curved pipe placed obliquely vertically, both ends of the obliquely curved pipe (17) are connected to the cavity furnace wall (4-1), and the obliquely curved pipe (17) ) corresponds to the position of the smoke passage hole (18). 3. The rural household coal-electricity dual-purpose miniature energy-saving atmospheric pressure safe hot water heating boiler according to claim 1, characterized in that: the pipe wall of the flue (3) and the cavity furnace wall (4-1 ), the pipe wall of the flue (3) is connected with the flue water pipe (2), the lower end of the flue water pipe (2) is connected with the pipe wall of the flue (3), and the upper end of the flue water pipe (2) is connected with the The main water pipes (13) communicate with each other. 4. The rural household coal-electricity dual-purpose miniature energy-saving atmospheric pressure safe hot water heating boiler according to claim 1, characterized in that: the total height of the boiler body (4) does not exceed 2.4 meters.