CN212841499U

CN212841499U - Vertical steam boiler for burning biomass particles

Info

Publication number: CN212841499U
Application number: CN202021783147.XU
Authority: CN
Inventors: 董天宇; 董俊涛; 张文杰; 董涛; 王磊; 夏超
Original assignee: Henan Hengan Boiler Co ltd
Current assignee: Henan Hengan Boiler Co ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-03-30
Anticipated expiration: 2030-08-24

Abstract

The utility model discloses a burning living beings granule vertical steam boiler, including the boiler box, the boiler box is inside by having set gradually the burning chamber and preheating the chamber on going, the inside below that is located the burning chamber of boiler box inlays and is equipped with the combustor, be provided with the flame guide pipe that switches on each other with the burning chamber on the combustor, the flame guide hole has been seted up to the flame guide pipe inside, a combustor lateral wall welding has the connecting pipe. The utility model discloses in, through the setting of leading the flame hole for biomass pellet fuel heats combustion chamber bottom through leading the flame pipe under the effect of combustor after the burning, and leading the flame pipe has adopted the structural design of tesla valve, through physical structure accelerating flame, reduces the energy loss of flame when the transportation, thereby has improved the device's energy-conservation nature.

Description

Vertical steam boiler for burning biomass particles

Technical Field

The utility model relates to the technical field of boilers, especially, relate to burning biomass granule vertical steam boiler.

Background

The boiler is an energy conversion device, the energy input to the boiler is in the forms of chemical energy, electric energy, heat energy of high-temperature flue gas and the like in fuel, steam, high-temperature water or an organic heat carrier with certain heat energy is output outwards through the conversion of the boiler, the original meaning of the boiler refers to a water container heated on fire, the boiler refers to a place where fuel is combusted, the boiler comprises a boiler and a boiler, hot water or steam generated in the boiler can directly provide heat energy required by industrial production and people life, the hot water or the steam can also be converted into mechanical energy through a steam power device, or the mechanical energy is converted into the electric energy through a generator, and the boiler for providing hot water is called as a hot water boiler and is mainly used for life and has a small amount of application in industrial production. The boiler for generating steam is called as a steam boiler, often called as a boiler for short, and is widely used for thermal power stations, ships, locomotives and industrial and mining enterprises.

The existing boiler is simple in structure, single in heating through the combustor, and flame of the combustor is not adjustable, so that fuel consumption is increased, and smoke produced during combustion cannot be recycled, so that waste of heat energy is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and provides a vertical steam boiler for burning biomass particles.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the vertical steam boiler for burning biomass particles comprises a boiler box body, wherein a combustion cavity and a preheating cavity are sequentially arranged in the boiler box body from bottom to top, and a burner is embedded in the boiler box body and positioned below the combustion cavity;

the combustor is provided with a flame guide pipe communicated with the combustion cavity, a flame guide hole is formed in the flame guide pipe, and a connecting pipe is welded on one side wall of the combustor;

the preheating chamber is provided with a connector communicated with the combustion chamber, an installation groove is formed in the inner wall of the connector, an electric push rod is fixed to a bolt in the installation groove, the other end of the electric push rod is welded with a baffle, the outer surface wall of the preheating chamber in the boiler box body is wound with a preheating pipe, one end of the preheating pipe is communicated with the connecting pipe, and the other end of the preheating pipe is communicated with a smoke exhaust pipe welded on the upper surface of the boiler box body.

Preferably, a rock wool layer is embedded in the boiler box body and positioned on the outer side of the combustion cavity.

Preferably, the outer surface wall of the boiler box body is provided with a fuel port matched with the burner for use, the outer surface wall of the boiler box body is provided with a combustion cavity port communicated with the combustion cavity, and the outer surface wall of the boiler box body is provided with a preheating cavity port communicated with the preheating cavity.

Preferably, the flame guide hole is of a Tesla valve structure.

Preferably, the flame guide pipes are provided with a plurality of flame guide pipes which are distributed in a rectangular shape, and the distance between two adjacent flame guide pipes is equal.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, this vertical steam boiler of burning living beings granule through the setting of leading the flame hole for living beings pellet fuel is under the effect of combustor, and the flame after the burning heats the chamber bottom through leading the flame pipe, and leading the flame pipe has adopted the structural design of Tesla valve, through physics structure flame with higher speed, reduces the energy loss of flame when the transportation, thereby has improved the device's energy-conservation nature.

2. The utility model discloses in, this vertical steam boiler of burning living beings granule, through the setting of preheater tube for the flue gas that the combustor produced is under the effect of connecting pipe, and the water conservancy diversion is to the preheater tube in, the design of preheater tube ring package formula for the heat in the preheater tube preheats the chamber, thereby has improved the device's practicality.

Drawings

Fig. 1 is a schematic structural diagram of a vertical steam boiler for burning biomass particles according to the present invention;

FIG. 2 is a sectional view of a vertical steam boiler for burning biomass particles according to the present invention;

FIG. 3 is a cross-sectional view of the flame guiding tube of the vertical steam boiler for burning biomass particles according to the present invention;

fig. 4 is a schematic structural view of a preheating chamber of the vertical steam boiler for burning biomass particles according to the present invention.

Illustration of the drawings:

1. a boiler box body; 11. a fuel port; 12. a combustion chamber port; 13. preheating a cavity opening; 14. a smoke exhaust pipe; 2. a combustion chamber; 21. a rock wool layer; 3. a preheating chamber; 31. a baffle plate; 32. a connecting port; 33. mounting grooves; 34. an electric push rod; 4. a preheating pipe; 5. a connecting pipe; 6. a flame guide tube; 61. a flame guide hole; 7. a burner.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the vertical steam boiler for burning biomass particles comprises a boiler box body 1, a combustion chamber 2 and a preheating chamber 3 are sequentially arranged in the boiler box body 1 from bottom to top, and a burner 7 is embedded in the boiler box body 1 below the combustion chamber 2;

a flame guide pipe 6 communicated with the combustion cavity 2 is arranged on the combustor 7, a flame guide hole 61 is formed in the flame guide pipe 6, and a connecting pipe 5 is welded on one side wall of the combustor 7;

preheating chamber 3, set up the connector 32 that switches on each other with burning chamber 2 on the inside bottom plate, set up mounting groove 33 on the connector 32 inner wall, the bolt is fixed with electric putter 34 in the mounting groove 33, the other end welding of electric putter 34 has baffle 31, the inside outward appearance wall that is located preheating chamber 3 of boiler box 1 has the preheating pipe 4 of having a round trip, preheating pipe 4 one end and connecting pipe 5 switch on each other, preheating pipe 4 other end and the pipe 14 of discharging fume that has the welding of boiler box 1 upper surface switch on each other.

A rock wool layer 21 is embedded in the boiler box body 1 and positioned on the outer side of the combustion cavity 2.

The outer wall of the boiler box body 1 is provided with a fuel port 11 matched with the combustor 7 for use, the outer wall of the boiler box body 1 is provided with a combustion cavity port 12 communicated with the combustion cavity 2, and the outer wall of the boiler box body 1 is provided with a preheating cavity port 13 communicated with the preheating cavity 3.

The flame guide hole 61 is a Tesla valve structure.

The flame guide pipes 6 are provided with a plurality of flame guide pipes 6, the flame guide pipes 6 are distributed in a rectangular shape, and the distance between every two adjacent flame guide pipes 6 is equal.

The fuel port 11, the combustion cavity port 12 and the preheating cavity port 13 are all provided with a movable door, the movable door is rotatably connected with a movable baffle, and three clamping grooves matched with the movable baffle for use are respectively welded on the outer surface wall of the boiler box body 1.

The working principle is as follows: when the vertical steam boiler for burning biomass particles is used, materials pass through and are placed into the combustion cavity 2 through the combustion cavity opening 12, the materials to be preheated are placed into the preheating cavity 3 through the preheating cavity opening 13, then the biomass particle fuels are placed into the combustor 7 through the fuel opening 11, under the action of the combustor 7, the biomass particle fuels are burnt and then transfer heat to the bottom of the combustion cavity 2 through the flame guide pipe 6, flue gas generated during burning is guided into the preheating pipe 4 through the connecting pipe 5, the materials in the preheating cavity 3 are preheated under the action of the preheating pipe 4, so that the heat of the flue gas can be recycled, the energy-saving effect is achieved, and through the arrangement of the flame guide pipe 6, the gas is compressed after expanding in the flame guide holes 61, thrust is generated due to the change of pressure difference, the gas is pushed out more rapidly, and the gas is accelerated through a physical structure, reduce the energy loss of gas when the transportation, further reach energy-conserving effect, the back is accomplished in the burning, takes out the material through burning accent 12, opens electric putter 34 for in baffle 31 withdraws mounting groove 33, the material after preheating falls into burning chamber 2 under the effect of gravity, after will preheating chamber 3 back cover again through baffle 31, adds new material in preheating chamber 3.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The vertical steam boiler for burning biomass particles comprises a boiler box body (1) and is characterized in that a combustion chamber (2) and a preheating chamber (3) are sequentially arranged in the boiler box body (1) from bottom to top, and a burner (7) is embedded in the boiler box body (1) below the combustion chamber (2);

a flame guide pipe (6) communicated with the combustion cavity (2) is arranged on the combustor (7), a flame guide hole (61) is formed in the flame guide pipe (6), and a connecting pipe (5) is welded on one side wall of the combustor (7);

preheating chamber (3), set up on the inside bottom plate with burning chamber (2) connector (32) that switch on each other, mounting groove (33) have been seted up on connector (32) inner wall, the bolt is fixed with electric putter (34) in mounting groove (33), the welding of electric putter (34) other end has baffle (31), the inside outward appearance wall that is located preheating chamber (3) of boiler box (1) has around having preheating pipe (4), preheating pipe (4) one end switches on each other with connecting pipe (5), preheating pipe (4) other end and the welding have exhaust fume pipe (14) of boiler box (1) upper surface to switch on each other.

2. A biomass particle burning vertical steam boiler according to claim 1, characterized in that the rock wool layer (21) is embedded inside the boiler box (1) outside the combustion chamber (2).

3. The biomass particle burning vertical steam boiler according to claim 1, wherein the outer surface wall of the boiler box body (1) is provided with a fuel port (11) matched with the burner (7) for use, the outer surface wall of the boiler box body (1) is provided with a combustion chamber port (12) communicated with the combustion chamber (2), and the outer surface wall of the boiler box body (1) is provided with a preheating chamber port (13) communicated with the preheating chamber (3).

4. A biomass-pellet-fired vertical steam boiler according to claim 1, characterized in that the flame guiding holes (61) are tesla valve structures.

5. A vertical steam boiler burning biomass particles according to claim 1, characterized in that a plurality of flame guide pipes (6) are arranged, and the flame guide pipes (6) are distributed in a rectangular shape, and the distance between two adjacent flame guide pipes (6) is equal.