CN103557591B - A kind of biomass whirlwind energy-saving, environmental protection boiler - Google Patents

Abstract

The invention discloses a biomass cyclone energy-saving and environment-friendly boiler. The biomass pellets enter the interior of the inner water jacket from the fuel inlet, and are blasted to the surroundings under the action of the central exhaust hole, and then under the action of the cyclone of the peripheral exhaust holes. Combustion, the flame is in a whirlwind shape, oxygen is sufficient, and the combustion is complete. Most of the soot slowly falls into the soot bin, and then the lower water inlet tank absorbs the remaining heat. The flue gas enters the smoke collecting bin from around the connecting pipe. Jacket absorption, part of which is absorbed by the periphery of the inner water jacket and the inner periphery of the outer water jacket. Finally, the flue gas at 30°C-60°C is discharged from the exhaust port. In the warehouse. The fuel of the invention burns thoroughly, has high utilization rate of heat energy, no residual heat is released, not only saves energy and protects the environment, but also facilitates dust removal and material feeding.

Description

A biomass cyclone energy saving and environmental protection boiler

technical field

The invention relates to a boiler, in particular to a biomass cyclone energy-saving and environment-friendly boiler.

Background technique

Most of the existing boilers have disadvantages of varying degrees, such as large energy consumption, low thermal efficiency, high cost of use, heavy pollution, and difficult maintenance. Mostly 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. There are also boilers that are difficult to clean ash due to unreasonable structure, which blocks the pyrotechnic passage and cannot be used normally.

Contents of the invention

The object of the present invention is to provide a biomass cyclone energy-saving and environment-friendly boiler with reasonable structure, fast heating speed and high thermal efficiency, so as to solve the problems raised in the above-mentioned background technology.

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

A biomass cyclone energy-saving and environmentally friendly boiler, including a fuel inlet, an upper water outlet tank, a smoke exhaust port, a lower water inlet tank, a base, and a soot bin. Between the lower water inlet tank and the upper water outlet tank, the inner Water jacket, smoke collection chamber, middle water jacket, smoke collection chamber and outer water jacket, the upper ends of the inner water jacket and outer water jacket are directly connected to the upper water outlet tank, and the upper end of the middle water jacket is connected to the upper water outlet tank through a plurality of connecting pipes, The lower ends of the inner water jacket, the middle water jacket and the outer water jacket are all connected to the lower water inlet tank through a plurality of connecting pipes, the upper cover of the lower water inlet tank is an ashes collection funnel, and the funnel mouth of the ash collection funnel is connected to the soot bin. The soot bin is set in the lower water inlet tank, the soot bin is connected to the ash cleaning channel, and the cyclone gas collection chamber is set above the soot bin, the air inlet of the cyclone gas collection chamber is tangent to the air inlet channel, and the top of the cyclone gas collection chamber is connected to the cyclone air supply tube , the cyclone blower is fixed at the center of the inner water jacket by at least one grate.

As a further solution of the present invention: the smoke outlet is installed at the connecting pipe at the lower end of the outer water jacket.

As a further solution of the present invention: the outer water jacket and the upper water outlet tank are provided with a thermal insulation shell.

As a further solution of the present invention: the cyclone blower is provided with a central exhaust hole and a circumferential exhaust hole, and the central exhaust hole coincides with the central axis of the fuel inlet.

Compared with the prior art, the beneficial effect of the present invention is that the biomass pellets of the boiler enter the interior of the inner water jacket from the fuel inlet, and explode to the surroundings under the action of the central exhaust hole, and then pass through the circumference of the exhaust hole. Combustion under the action of the cyclone, the flame is in the shape of a whirlwind, the oxygen is sufficient, the combustion is complete, most of the soot slowly falls into the soot bin, and then the lower water inlet tank absorbs the remaining heat, the flue gas enters the smoke collecting bin from around the connecting pipe, and the remaining heat is mainly It is absorbed by the middle water jacket, part of it is absorbed by the outer periphery of the inner water jacket and the inner periphery of the outer water jacket, and finally the flue gas at 30°C-60°C is discharged from the exhaust port, and the soot attached to the flue gas sinks in the smoke collection chamber and is discharged. Slide down into the ash compartment. The fuel of the invention burns thoroughly, has high utilization rate of heat energy, no residual heat is released, not only saves energy and protects the environment, but also facilitates dust removal and material feeding.

Description of drawings

Figure 1 is the front view of the biomass cyclone energy-saving and environmental protection boiler;

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

Fig. 3 is the B-B sectional view of Fig. 1;

Fig. 4 is the C-C sectional view of Fig. 1;

Fig. 5 is a top view of a biomass cyclone energy-saving and environment-friendly boiler;

Fig. 6 is the front view of intermediate water jacket and connecting pipe;

Fig. 7 is the top view of intermediate water jacket and connecting pipe;

Figure 8 is an enlarged top view of the cyclone air supply tube;

In the figure: 1 fuel inlet, 2 upper water outlet tank, 3 heat preservation shell, 4 connecting pipe, 5 inner water jacket, 6 middle water jacket, 7 outer water jacket, 8 smoke exhaust port, 9 lower water inlet tank, 10 base, 11 Soot bin, 12 cyclone air collection chamber, 13 cyclone air supply tube, 14 fire grate, 15 smoke collection bin, 16 air inlet duct, 17 ash cleaning duct, 18 ash collecting funnel, 19 central exhaust hole, 20 circular exhaust hole .

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figures 1 to 7. In an embodiment of the present invention, a biomass cyclone energy-saving and environmentally friendly boiler includes a fuel inlet 1, an upper water outlet tank 2, a smoke exhaust port 8, a lower water inlet tank 9, a base 10, and an ash bin 11. Between the lower water inlet tank 9 and the upper water outlet tank 2, there are an inner water jacket 5, a smoke collection bin 15, an intermediate water jacket 6, a smoke collection bin 15 and an outer water jacket 7 from the inside to the outside. 5 and the upper end of the outer water jacket 7 are directly connected to the upper water outlet tank 2, the upper end of the middle water jacket 6 is connected to the upper water outlet tank 2 through a plurality of connecting pipes 4, and the lower ends of the inner water jacket 5, the middle water jacket 6 and the outer water jacket 7 are all The lower water inlet tank 9 is connected by a plurality of connecting pipes 4, the upper cover of the lower water inlet tank 9 is a dust collection funnel 18, and the funnel mouth of the dust collection funnel 18 is connected to the soot bin 11, and the soot bin 11 is arranged on the lower water inlet tank In 9, the soot bin 11 is connected to the ash cleaning channel 17, and the cyclone gas collecting chamber 12 is arranged above the soot bin 11, the air inlet of the cyclone gas collecting chamber 12 is tangent to the air inlet channel 16, and the top of the cyclone gas collecting chamber 12 is connected to the cyclone air supply tube 13. The cyclone blower 13 is fixed at the center of the inner water jacket 5 by at least one grate 14 .

As a further solution of the present invention: the smoke outlet 8 is installed at the connecting pipe 4 at the lower end of the outer water jacket 7 .

As a further solution of the present invention: the outer water jacket 7 and the upper outlet tank 2 are provided with a thermal insulation shell 3 .

Please refer to FIG. 8 , the cyclone blower 13 is provided with a central exhaust hole 19 and a circumferential exhaust hole 20 , and the central exhaust hole 19 coincides with the central axis of the fuel inlet 1 .

The working principle of the present invention is: biomass pellets enter the interior of the inner water jacket 5 from the fuel inlet 1, explode to the surroundings under the action of the central exhaust hole 19, and then burn under the cyclone action of the circumferential exhaust hole 20, and the flame In a whirlwind shape, oxygen is sufficient, and the combustion is complete, most of the soot slowly falls into the soot bin 11, and then the lower water inlet tank 9 absorbs the remaining heat. Jacket 6 absorbs, part of which is absorbed by the periphery of the inner water jacket 5 and the inner periphery of the outer water jacket 7, and finally the flue gas at 30°C-60°C is discharged from the exhaust port 8, and the soot attached to the flue gas sinks in the smoke collection chamber 1 , and slide down into the ash bin 11. The fuel of the invention burns thoroughly, has high utilization rate of heat energy, no residual heat is released, not only saves energy and protects the environment, but also facilitates dust removal and material feeding.

It will be apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only includes 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 (2)

1. A biomass cyclone energy-saving and environmentally friendly boiler, including a fuel inlet (1), an upper water outlet tank (2), a smoke exhaust port (8), a lower water inlet tank (9), a base (10), and an ash bin (11) , is characterized in that, between the lower water inlet tank (9) and the upper water outlet tank (2), from the inside to the outside are the inner water jacket (5), the smoke collection bin (15), the middle water jacket (6), The smoke collection bin (15) and the outer water jacket (7), the upper ends of the inner water jacket (5) and the outer water jacket (7) are directly connected to the upper water outlet tank (2), and the upper end of the middle water jacket (6) passes through multiple The connecting pipe (4) is connected to the upper water outlet tank (2), and the lower ends of the inner water jacket (5), middle water jacket (6) and outer water jacket (7) are all connected to the lower water inlet tank through multiple connecting pipes (4) (9), the upper cover of the lower water inlet tank (9) is an ashes collection funnel (18), the funnel mouth of the ash collection funnel (18) is connected to the soot bin (11), and the soot bin (11) is set at the lower water inlet In the box (9), the soot bin (11) is connected to the ash removal channel (17), and the cyclone gas collection chamber (12) is arranged above the soot bin (11), and the air inlet of the cyclone gas collection chamber (12) and the air inlet duct (16 ), the top of the cyclone gas collection chamber (12) is connected to the cyclone air supply cylinder (13), and the cyclone air supply cylinder (13) is fixed at the center of the inner water jacket (5) by at least one grate (14); the outer The water jacket (7) and the upper water outlet tank (2) are provided with a thermal insulation shell (3); the cyclone air supply tube (13) is provided with a central exhaust hole (19) and a circumferential exhaust hole (20); the The central axis of the central exhaust hole (19) coincides with the fuel inlet (1). 2. The biomass cyclone energy-saving and environment-friendly boiler according to claim 1, characterized in that the smoke exhaust port (8) is installed at the connecting pipe (4) at the lower end of the outer water jacket (7).