CN203628605U - Energy-saving and environment-friendly multistage steam boiler - Google Patents

Abstract

The utility model discloses an energy-saving and environment-friendly multi-stage steam boiler. The fuel of the boiler enters the boiler from the feed channel of the feed annular water tank, and falls on the grate for combustion. Under the blowing of the air inlet channel, it is suspended upwards, and then secondary combustion is carried out under the action of the auxiliary air inlet channel of the auxiliary air inlet annular water tank; then the flue gas moves downward from the inclined connecting pipes around the outer water jacket, and the heat is absorbed The water in the inclined connecting pipe and the outer water jacket is absorbed, and finally enters the ash cleaning channel and the flue exhaust duct, the soot is deposited, and the flue gas is discharged from the ash cleaning channel and the flue exhaust duct in the annular water inlet tank, and the waste heat is absorbed. The new main combustion, secondary combustion and flue gas heat recovery are also completed in one box, the fuel is completely burned, energy-saving and environmentally friendly.

Description

An energy-saving and environment-friendly multi-stage steam boiler

technical field

The utility model relates to a boiler, in particular to an energy-saving and environment-friendly multi-stage steam boiler.

Background technique

Most of the existing steam boilers have disadvantages of varying degrees, such as large energy consumption, low thermal efficiency, high cost of use, heavy pollution, and difficult maintenance.

Utility model content

The purpose of the utility model is to provide an energy-saving and environment-friendly multi-stage steam boiler with reasonable structure, fast heating speed and high thermal efficiency, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions:

An energy-saving and environment-friendly multi-stage steam boiler, comprising an annular water inlet tank, an outer water jacket, a main air inlet annular water tank, a feed material annular water tank, an auxiliary air inlet annular water tank, a water outlet tank, a dust cleaning channel and a flue exhaust duct, the annular The periphery of the water inlet tank is connected to the water outlet tank through the outer water jacket, and the annular water inlet tank, the main air inlet annular water tank, the feed annular water tank, the auxiliary air inlet annular water tank, and the water outlet tank are connected in sequence through vertical connecting pipes; the main air inlet The air annular water tank, the feeding annular water tank, and the auxiliary air inlet annular water tank are all connected to the outer water jacket through inclined connecting pipes; the dust cleaning channel and the smoke exhaust channel are arranged in the annular water inlet tank.

As a further solution of the utility model: the central axes of the annular water inlet tank, the main air inlet annular water tank, the feeding annular water tank, the auxiliary air inlet annular water tank and the water outlet tank are collinear.

As a further solution of the utility model: a grate is arranged on the vertical connecting pipe between the main air inlet annular water tank and the feed annular water tank.

As a further solution of the present utility model: a main air inlet duct is provided in the main air inlet annular water tank.

As a further solution of the utility model: a feeding channel is provided in the feeding annular water tank.

As a further solution of the utility model: the auxiliary air inlet annular water tank is provided with an auxiliary air inlet channel.

Compared with the prior art, the beneficial effect of the utility model is that: the fuel enters the boiler from the feeding channel of the feeding annular water tank, falls on the fire grate and burns, and the small particles and soot are discharged in the main air inlet of the main air inlet annular water tank. Under the blowing of the air channel, it is suspended upwards, and then secondary combustion is carried out under the action of the auxiliary air inlet channel of the auxiliary air inlet annular water tank; then the smoke moves downward from the inclined connecting pipes around the outer water jacket, and the heat is connected obliquely The water in the pipe and the outer water jacket is absorbed, and finally enters the ash cleaning channel and the flue exhaust channel, where the soot is deposited, and the flue gas is discharged from the ash cleaning channel and the flue exhaust channel in the annular water inlet tank, and the waste heat is absorbed. The main combustion, secondary combustion and flue gas heat recovery are also completed in one box, the fuel is burned completely, energy saving and environmental protection.

Description of drawings

Figure 1 is a front view of an energy-saving and environment-friendly multi-stage steam boiler;

In the figure: 1 annular water inlet tank, 2 outer water jacket, 3 main air inlet annular water tank, 4 feeding annular water tank, 5 pair of air inlet annular water tanks, 6 outlet water tank, 7 pair of air inlet ducts, 8 vertical connecting pipes, 9 feeding channel, 10 fire grate, 11 main air inlet channel, 12 inclined connecting pipe, 13 ash cleaning channel and flue exhaust channel.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1, in the utility model embodiment,

An energy-saving and environment-friendly multi-stage steam boiler, comprising an annular water inlet tank 1, an outer water jacket 2, a main air inlet annular water tank 3, a material inlet annular water tank 4, an auxiliary air inlet annular water tank 5, an outlet water tank 6, a dust cleaning channel and an exhaust Flue 13, the periphery of the annular water inlet tank 1 is connected to the water outlet tank 6 through the outer water jacket 2, the annular water inlet tank 1, the main air inlet annular water tank 3, the feeding annular water tank 4, the auxiliary air inlet annular water tank 5, The water outlet tank 6 is connected sequentially through a vertical connecting pipe 8; the main air inlet annular water tank 3, the feed air annular water tank 4, and the auxiliary air inlet annular water tank 5 are all connected to the outer water jacket 2 through an inclined connecting pipe 12; the ash cleaning channel And exhaust flue 13 is arranged in the annular water inlet tank 1.

As a further solution of the utility model: the central axes of the annular water inlet tank 1, the main air inlet annular water tank 3, the feeding annular water tank 4, the auxiliary air inlet annular water tank 5, and the water outlet tank 6 are collinear.

As a further solution of the present invention: a grate 10 is provided on the vertical connecting pipe 8 between the main air inlet annular water tank 3 and the feed annular water tank 4 .

As a further solution of the present invention: the main air inlet annular water tank 3 is provided with a main air inlet channel 11 .

As a further solution of the present utility model: the feeding annular water tank 4 is provided with a feeding channel 9 .

As a further solution of the present utility model: the auxiliary air inlet annular water tank 5 is provided with an auxiliary air inlet duct 7 .

The working principle of the utility model is: the fuel enters the boiler from the feed channel 9 of the feed annular water tank 4, and falls on the grate 10 for combustion, and the small particles and soot are in the main air inlet channel 11 of the main air inlet annular water tank 3. Under blowing, it is suspended upwards, and then secondary combustion is carried out under the action of the auxiliary air inlet duct 7 of the auxiliary air inlet annular water tank 5; then the flue gas moves downward from the inclined connecting pipes 12 around the outer water jacket 2, and the heat is absorbed The water in the inclined connecting pipe 12 and the outer water jacket 2 is absorbed, and finally enters the ash cleaning channel and the flue exhaust channel 13. absorbed, the main combustion, secondary combustion and flue gas heat recovery of the utility model is also completed in one box, the fuel is completely burned, energy-saving and environmentally friendly.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned. the

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (6)

1. An energy-saving and environment-friendly multi-stage steam boiler, characterized in that it includes an annular water inlet tank (1), an outer water jacket (2), a main air inlet annular water tank (3), a feed material annular water tank (4), an auxiliary inlet Air annular water tank (5), water outlet tank (6), ash cleaning channel and flue exhaust duct (13), the periphery of the annular water inlet tank (1) is connected to the water outlet tank (6) through the outer water jacket (2), and the The annular water inlet tank (1), the main air inlet annular water tank (3), the feed annular water tank (4), the auxiliary air inlet annular water tank (5), and the water outlet tank (6) are connected in sequence through the vertical connecting pipe (8); The main air inlet annular water tank (3), the feeding annular water tank (4), and the auxiliary air inlet annular water tank (5) are all connected to the outer water jacket (2) through an inclined connecting pipe (12); The flue (13) is arranged in the annular water inlet box (1). 2. The energy-saving and environment-friendly multi-stage steam boiler according to claim 1, characterized in that, the annular water inlet tank (1), the main air inlet annular water tank (3), the feeding annular water tank (4), the auxiliary air inlet The central axes of the annular water tank (5) and the outlet tank (6) are collinear. 3. The energy-saving and environment-friendly multi-stage steam boiler according to claim 1, characterized in that, the vertical connecting pipe (8) between the main air inlet annular water tank (3) and the feed annular water tank (4) is provided with There are grates (10). 4. The energy-saving and environment-friendly multi-stage steam boiler according to claim 1, characterized in that, the main air inlet duct (11) is provided inside the main air inlet annular water tank (3). 5. The energy-saving and environment-friendly multi-stage steam boiler according to claim 1, characterized in that, a feed channel (9) is provided inside the feed annular water tank (4). 6. The energy-saving and environment-friendly multi-stage steam boiler according to claim 1, characterized in that, an auxiliary air inlet duct (7) is provided inside the auxiliary air inlet annular water tank (5).

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