CN104748367B - The dustless hot air boiler of Superstrong energy-saving - Google Patents

Abstract

The invention relates to a super-strong energy-saving dust-free hot air boiler, which belongs to the field of boiler equipment manufacturing. The invention solves the technical problems of large energy consumption, low heat efficiency, high use cost, heavy pollution, difficult maintenance and the like in the existing boiler. Including the furnace body and its internal hot air channel system, combustion system, flue gas channel system and insulation layer, the hot air channel system includes sequentially connected cold air inlet, cold air header, medium temperature air channel, high temperature air header and air outlet; combustion system From bottom to top, it includes the oxygen supply chamber, the heat exchange grate, the combustion chamber and the gasification chamber. And the smoke exhaust port, the pyrotechnic box is longitudinally provided with a fire partition, and the middle is provided with a smoke exhaust channel connected to the smoke exhaust port. The fire partition divides the inside of the pyrotechnic box into an upper smoke channel and a lower smoke channel connected at the top, and one end of the upper smoke channel It communicates with the combustion chamber, the lower smoke channel communicates with the smoke exhaust channel, and there are several fixed plates inside the pyrotechnic box.

Description

Super energy-saving dust-free hot air boiler

technical field

The invention belongs to the field of boiler equipment manufacturing, and in particular relates to a super-powerful energy-saving dust-free hot air boiler.

Background technique

With the deepening of my country's reform and opening up and the continuous development of the national economy, the demand for boilers in production and life is also expanding. At present, most of them use hot water and steam boilers. They use water as the heat transfer medium, so the temperature rises slowly and the heat loss is large. At the same time, precious water resources are wasted. The hot air boiler uses air as the heat transfer medium, which is easy to operate, has a high safety factor, and has a long service life. At the same time, it saves water resources, and its excellent performance can be better reflected in areas lacking water resources.

Existing hot air boilers have disadvantages to varying degrees, such as high energy consumption, low thermal efficiency, high cost of use, heavy pollution, and difficult maintenance. Specifically: the current hot blast boiler generally adopts the structure that the four walls of the furnace body are provided with inner and outer jacket interlayers, and heating pipes communicating with the inner and outer jackets are evenly distributed in the heating chamber of the boiler. After the flame in the furnace heats the evenly distributed heating tubes and the air in the inner jacket interlayer of the four walls, it is used for production and life. However, the flame stroke in the furnace is short, and the pyrotechnics in the combustion chamber are directly discharged from the flue. Due to the small heat exchange area, a lot of heat is discharged out of the furnace, resulting in energy waste. Due to insufficient combustion of fuel in the furnace, black smoke is emitted from the chimney, which pollutes the environment. Some hot blast boilers are difficult to clean ash due to unreasonable structure, which blocks the pyrotechnic passage and cannot be used normally.

Contents of the invention

Aiming at the deficiencies of the prior art, the present invention provides a high-heating, energy-saving and dust-free hot-air boiler with reasonable structure, fast heating speed and high thermal efficiency.

To achieve the above object, the present invention provides the following technical solutions:

A super energy-saving dust-free hot air boiler, including a furnace body and its internal hot air passage system, a combustion system, a flue gas passage system and an insulation layer, characterized in that the hot air passage system includes a cold air inlet, a cold air collection box, medium-temperature air channel, high-temperature air header and air outlet; the combustion system includes an oxygen supply chamber, a heat exchange grate, a combustion chamber and a gasification chamber from bottom to top, and the oxygen supply chamber is provided with an oxygen supply combustion port , the combustion chamber is provided with a fuel inlet and ash removal door; the flue gas channel system includes a pyrotechnic box and a smoke exhaust port, a fire partition is arranged longitudinally in the pyrotechnic box, and a smoke exhaust channel is arranged in the middle Connected with the smoke outlet, the fire partition divides the inside of the pyrotechnic box into an upper smoke channel and a lower smoke channel connected at the top, one end of the upper smoke channel communicates with the combustion chamber, and the lower smoke channel communicates with the smoke exhaust channel. The interior of the pyrotechnic box is provided with several fixing plates.

As a further solution of the present invention: the heat exchange grate is provided with double layers, the lower row is an air preheating row, and the upper row is a combustion row.

As a further solution of the present invention: the inside of the pyrotechnic box is provided with a number of shaping tubes to achieve the effects of fixing and heating.

Compared with prior art, the beneficial effect of adopting the present invention is:

1. The combustion system is equipped with a gasification chamber, so that the incompletely burned smoke rebounds to the combustion chamber for full combustion, which greatly improves the combustion efficiency.

2. The pyrotechnic box is equipped with an upper smoke channel and a lower smoke channel, which increases the flow time of the smoke in the furnace, greatly improves the utilization rate of energy and reduces the waste of energy.

Description of drawings

Figure 1 is a front view of a super energy-saving dust-free hot air boiler;

Fig. 2 is A-A sectional view of Fig. 1;

Fig. 3 is a left view of a super energy-saving dust-free hot air boiler;

Fig. 4 is a top view of a super energy-saving dust-free hot air boiler.

Detailed ways

The present invention will be further described below in conjunction with accompanying drawing:

As shown in Figure 1-4, a super energy-saving dust-free hot air boiler includes a furnace body 1 and its internal hot air channel system, combustion system, flue gas channel system and insulation layer 2. The hot air channel system includes sequentially connected cold air Inlet 3, cold air header 4, medium-temperature air channel 5, high-temperature air header 6 and air outlet 7; the combustion system includes oxygen supply chamber 8, heat exchange grate 9, combustion chamber 10 and gasification chamber 11 from bottom to top. The oxygen supply chamber 8 described above is provided with an oxygen supply combustion port 12, and the combustion chamber 10 is provided with a fuel inlet 13 and ash removal and fire adjustment door 14; the flue gas channel system includes a pyrotechnic box 15 and a smoke exhaust port 16, and the pyrotechnic box 15 is longitudinally arranged There is a fire partition 17, and a smoke exhaust passage 18 is arranged in the middle to connect with the smoke exhaust port 16. The fire partition 17 divides the interior of the pyrotechnic box 15 into an upper smoke passage 19 and a lower smoke passage 20 connected at the top, and one end of the upper smoke passage 19 is connected to the combustion chamber. The chamber 10 is connected, the lower smoke passage 20 is connected with the smoke exhaust passage 18, and several fixing plates 21 are arranged inside the pyrotechnic box.

Claims (1)

1. A super energy-saving dust-free hot-blast boiler, comprising a body of furnace and its internal hot-blast channel system, combustion system, flue gas channel system and insulation layer, characterized in that the hot-blast channel system includes successively connected cold-air inlets, Cold air header, medium-temperature air channel, high-temperature air header and air outlet; the combustion system includes an oxygen supply chamber, a heat exchange grate, a combustion chamber and a gasification chamber from bottom to top, and the oxygen supply chamber is equipped with an oxygen supply chamber The combustion chamber is equipped with a fuel inlet and an ash removal door; the flue gas channel system includes a pyrotechnic box and a smoke exhaust port, and a fire partition is arranged longitudinally in the pyrotechnic box, and a row is arranged in the middle. The smoke channel is connected to the smoke outlet, and the fire partition divides the inside of the pyrotechnic box into an upper smoke channel and a lower smoke channel connected at the top, one end of the upper smoke channel communicates with the combustion chamber, and the lower smoke channel communicates with the smoke exhaust channel , the interior of the pyrotechnic box is provided with several fixing plates.