CN203464255U - A kind of biomass boiler equipment - Google Patents

Abstract

The utility model discloses a biomass boiler equipment, it includes a boiler (8), and furnace (1) sets up the well lower part position in boiler (8), install a combustion chamber (2) in furnace (8), be provided with one on combustion chamber (2) and supply ashes exhaust row ash mouth, the below of combustion chamber (2) is provided with first spiral feeding mechanism (4), it faces spiral feeding mechanism (4) to arrange the ash mouth, and inlet pipe (9) face the entry of combustion chamber (2), inlet pipe (9) are connected with second spiral feeding mechanism (10), and the export of machine of grinding (6) faces the entry of second spiral feeding mechanism (10). The utility model has the characteristics of it is more convenient to use, and it has still improved biomass fuel's combustion rate simultaneously, more energy-concerving and environment-protective.

Description

A kind of biomass boiler equipment

technical field

The utility model relates to the technical field of boilers, in particular to an energy-saving and environment-friendly biomass boiler equipment.

Background technique

As people's requirements for energy saving and environmental protection are getting higher and higher, the traditional boilers that use coal as fuel can no longer meet people's needs due to low fuel utilization and environmental pollution. Matching biomass boilers have also emerged as the times require. The existing biomass boilers mainly use plant straw as their fuel. In the prior art, there are fewer types of biomass boilers that use plant straw as fuel, and there are still Problems such as inconvenient use and low combustion rate of biomass fuel.

Contents of the invention

The purpose of this utility model is to provide a biomass boiler equipment, which has the characteristics of more convenient use, and at the same time, it also improves the combustion rate of biomass fuel, and is more energy-saving and environment-friendly.

The purpose of this utility model is to provide a biomass boiler equipment, which has the characteristics of more convenient use, and at the same time, it also improves the combustion rate of biomass fuel, and is more energy-saving and environment-friendly.

In order to achieve the above purpose, a biomass boiler equipment of the present utility model includes a boiler, the furnace is arranged at the middle and lower part of the boiler, a combustion chamber is installed in the furnace, and an ash discharge chamber for ash discharge is arranged on the combustion chamber. The bottom of the combustion chamber is provided with a first screw feeding mechanism, the ash outlet is facing the screw feeding mechanism, the feeding pipe is facing the entrance of the combustion chamber, the feeding pipe is connected with the second screw feeding mechanism, The outlet of the grinder is facing the inlet of the second screw feeding mechanism.

As a preference of the above technical solution, an igniter for ignition is provided in the combustion chamber.

As a preference of the above technical solution, a heat exchange chamber is located above the furnace in the boiler, and the water tank is arranged in the heat exchange chamber.

As a preference of the above-mentioned technical solution, the combustion chamber includes a combustion tube, on which a number of air intake holes in a spiral ascending distribution are formed, the outer side of the combustion tube is surrounded by a ring body wall, and the outer wall of the combustion tube A cavity is formed between the inner wall of the ring body wall, and an air inlet is opened on the ring body wall, and the air inlet is connected with a fan.

As a preference for the above technical solution, two semicircular overturning plates are hinged at the lower opening of the combustion tube, one end of the elbow communicates with the cavity between the combustion tube and the wall of the ring body, and the gas outlet at the other end is located on the overturning The bottom of the board, and the air outlet is facing the flip board.

As a preference of the above technical solution, both the first screw feeding mechanism and the second screw feeding mechanism are composed of a housing, a rotating shaft and a sheet-like body, the sheet-like body spirally surrounds the rotating shaft, and the rotating shaft is located in the housing Among them, the rear end of the rotating shaft is connected with the motor.

The beneficial effect of the utility model is that: the utility model has a grinding machine, which grinds the biomass material to make it appear as particles or powder, and then directly transports it to the combustion chamber of the boiler through the screw feeding mechanism for further processing. Combustion, it is more convenient to use, and the granular or powdery biomass materials can fully contact with the air, which improves the combustion efficiency of biomass materials and can achieve the effect of energy saving and emission reduction.

In addition, the combustion cylinder of the combustion chamber of the present invention is formed with a number of air intake holes in a spiral distribution, and the air intake holes are blown by a fan, and the gas blown into the combustion cylinder makes the powder placed therein The biomass material is in a suspended state, and these air inlets are distributed in a spiral manner. When the gas enters the combustion chamber, it can rotate and stir in the combustion tube, which enables the powdery biomass fuel to be further mixed with the air, improving the biofuel efficiency. The combustion rate of the material fuel has the effect of energy saving and environmental protection.

Description of drawings

Below in conjunction with accompanying drawing, the utility model is further described:

Fig. 1 is the structural representation of the utility model

Figure 2 is a schematic diagram of the structure of the combustion chamber

Figure 3 is a schematic diagram of the structure of the combustion cylinder

Figure 4 is a schematic structural view of the screw feeding mechanism

Figure 5 is a schematic diagram of the installation position of the flip plate and the elbow

In the figure: 1. furnace; 2. combustion chamber; 3. fan; 4. first screw feeding mechanism; 5. motor; 6. grinding machine; 7. water tank; 8. boiler; 9. feed pipe; 10. Second screw feeding mechanism; 21, combustion cylinder; 22, ring body wall; 23, air inlet; 24, air inlet; 25, turning plate; 26, elbow; 41, rotating shaft; ,case

Detailed ways

The following descriptions are only preferred embodiments embodying the principle of the utility model, and do not therefore limit the scope of protection of the utility model:

Shown in Fig. 1 to 5 is the embodiment of a kind of biomass boiler equipment of the present utility model, and it comprises a boiler 8, and furnace 1 is arranged on the middle and lower part position of boiler 8, and a combustion chamber 2 is installed in described furnace 8, so The combustion chamber 2 is provided with an ash outlet for the discharge of ashes, and the first screw feeding mechanism 4 is arranged under the combustion chamber 2, the ash outlet is facing the screw feeding mechanism 4, and the feeding pipe 9 is facing the combustion chamber 2. The inlet of the chamber 2, the feed pipe 9 is arranged obliquely, the feed pipe 9 is connected with the second screw feeding mechanism 10, and the outlet of the grinder 6 is facing the inlet of the second screw feeding mechanism 10, in this embodiment In the example, in order to facilitate the collection of combustion ash, a horn-shaped interlayer is arranged between the combustion chamber 2 and the first screw feeding mechanism 4 , and the bell mouth of the interlayer faces the first screw feeding mechanism 4 .

An igniter for ignition is provided in the combustion chamber 2, and in this embodiment, the igniter is an electronically controlled igniter, which is controlled by a control system.

In addition, in this embodiment, the boiler 8 is located above the furnace 8 as a heat exchange chamber, and the water tank 7 is arranged in the heat exchange chamber. The water tank 7 has a water inlet and a water outlet, and the water inlet and a water outlet are respectively It is connected to the external equipment of the boiler 8 by pipes.

And in this embodiment, the combustion chamber 2 includes a combustion tube 21, and the combustion tube 21 is formed with some air intake holes 24 that are distributed in a spiral manner. These air intake holes 24 can make the air entering the combustion tube 21 rotate, The rotating air can form agitation, which can make the biomass fuel and air mix more fully and more uniformly. The outer side of the combustion tube 21 is surrounded by a ring body wall 22, and the outer wall of the combustion tube 21 and the ring body A cavity is formed between the inner walls of the wall 22, and all air inlets 24 mentioned above are located in the cavity, and this cavity is an air intake cavity, and an air inlet 23 is provided on the ring body wall 22. The air inlet 23 is connected with a fan 3, and the fan 3 blows air into the cavity, and the air enters the combustion cylinder 21 through the air inlet 24.

In this embodiment, the problem of ash discharge after combustion is solved in this way. Two semicircular flip plates 25 are hinged at the lower opening of the combustion tube 21, and one end of the elbow 26 is connected to the combustion tube 21 and the ring. The cavities between the body walls 22 are connected, and the air outlet at the other end is located under the turning plate 25, and the air outlet is facing the turning plate 25. In the working state, the elbow 26 blows up against the turning plate 25, so that the two pieces are turned over The plate 25 is in the horizontal position. At this time, the lower opening of the combustion tube 21 is in a closed state. When the fan 3 stops blowing air, the elbow 26 also stops blowing air. At this time, the turning plate 25 hangs down automatically due to the action of gravity, and the combustion The lower opening of the cylinder 21 is in an open state, and the ashes fall from below.

，转轴41位于壳体43中，所述转轴41的后端与电机5相连接，在本实施例中，片状体12为右螺旋。Specifically in this embodiment, both the first screw feeding mechanism 4 and the second screw feeding mechanism 10 are composed of a housing 43, a rotating shaft 41 and a sheet-shaped body 42, and the housing 43 is a container for holding. The flake 42 spirally surrounds the rotating shaft 11

, the rotating shaft 41 is located in the casing 43, and the rear end of the rotating shaft 41 is connected to the motor 5. In this embodiment, the sheet-shaped body 12 is right-handed.

In this embodiment, the first screw feeding mechanism 4 is driven by the rotation of the motor 5 to send the burnt ashes out of the boiler 8, while the second screw feeding mechanism 10 is a feeding feeding mechanism, which will be powdered after grinding. The biomass fuel in shape is sent into the combustion chamber 2 for combustion.

When the utility model is working, firstly, the biomass material such as plant stalks is ground by the grinding machine 6, so that the biomass material is in a powder state, and then enters into combustion through the second screw feeding mechanism 10 through the feeding pipe 9 arranged obliquely. In the chamber 2, the fan 3 blows air to the combustion chamber 2, so that the powdery biomass material and the air are mixed fully and evenly, and then the igniter is ignited, and the heat of combustion is exchanged in the heat exchange chamber and sent out to the outside of the boiler 8 , and the ashes after combustion fall from the lower outlet of the combustion cylinder 2 onto the first screw feeding mechanism 4, and then are discharged out of the boiler 8 through the first screw feeding mechanism 4.

Claims (6)

1. A kind of biomass boiler equipment, it comprises a boiler (8), and furnace (1) is arranged on the middle and lower part position of boiler (8), it is characterized in that: a combustion chamber (2) is installed in described furnace (8) , the combustion chamber (2) is provided with an ash discharge port for the discharge of ashes, and a first screw feeding mechanism (4) is arranged below the combustion chamber (2), and the ash discharge port is facing the screw feeding mechanism (4 ), the feed pipe (9) is facing the inlet of the combustion chamber (2), the feed pipe (9) is connected with the second screw feeding mechanism (10), and the outlet of the grinder (6) is facing the second The inlet of the screw feeding mechanism (10). 2. The biomass boiler equipment according to claim 1, characterized in that: an igniter for ignition is arranged in the combustion chamber (2). 3. The biomass boiler equipment according to claim 1, characterized in that: the boiler (8) above the furnace (8) is a heat exchange chamber, and the water tank (7) is arranged in the heat exchange chamber. 4. The biomass boiler equipment according to claim 1, characterized in that: the combustion chamber (2) includes a combustion cylinder (21), and a number of spirally rising air inlets are formed on the combustion cylinder (21). hole (24), the outer side of the combustion tube (21) is surrounded by a ring body wall (22), a cavity is formed between the outer wall of the combustion tube (21) and the inner wall of the ring body wall (22), and the ring body wall (22) is provided with an air inlet (23), and the air inlet (23) is connected with a fan (3). 5. The biomass boiler equipment according to claim 4, characterized in that: two semicircular turning plates (25) are hinged at the lower opening of the combustion tube (21), and one end of the elbow (26) It communicates with the cavity between the combustion cylinder (21) and the ring body wall (22), and the gas outlet at the other end is located under the turning plate (25), and the gas outlet is facing the turning plate (25). 6. A kind of biomass boiler equipment according to claim 4, characterized in that: the first screw feeding mechanism (4) and the second screw feeding mechanism (10) are composed of a housing (43), a rotating shaft (41) Constituted with a sheet (42), the sheet (42) spirally surrounds the rotating shaft (41), the rotating shaft (41) is located in the housing (43), the rear end of the rotating shaft (41) and The motor (5) is connected.

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