CN212777320U

CN212777320U - Burner of cyclone boiler

Info

Publication number: CN212777320U
Application number: CN202021605740.5U
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: 2020-08-05
Filing date: 2020-08-05
Publication date: 2021-03-23
Anticipated expiration: 2030-08-05

Abstract

The utility model discloses a burner of whirl boiler, including combustor, air-supply line and buggy conveyer pipe, the inside of combustor is equipped with the combustion chamber, it has the air-supply line that switches on each other with the combustion chamber to peg graft on a lateral surface wall along length direction to the combustor. The utility model discloses in, this cyclone boiler's burner, set up the buggy conveyer pipe in the inside center department of air-supply line, and the outside that is located the buggy conveyer pipe in the air-supply line is provided with the swirler, setting through the swirler, the air that can emit into the combustion chamber through the air-supply line on the one hand carries out the slow stream, reduce the velocity of flow of air, guarantee the abundant contact of air and buggy, the effectual combustion efficiency and the abundant of burning that have improved the buggy, on the other hand can change into the mode of whirl with the air of one-tenth strand direct current, increase the air current diffusion scope, further improvement the contact efficiency of buggy and air, the combustion efficiency of buggy has been improved.

Description

Burner of cyclone boiler

Technical Field

The utility model relates to a boiler technical field especially relates to a burner of whirl boiler.

Background

The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, the boiler outputs steam, high-temperature water or organic heat carrier with certain heat energy, the origin of the boiler refers to a water container heated on fire, the boiler refers to a place where the fuel is combusted, and the boiler comprises a boiler and a furnace. The hot water or steam generated in the boiler can directly provide heat energy for industrial production and people life, and can also be converted into mechanical energy through a steam power device, or the mechanical energy is converted into electric energy through a generator. The boiler for supplying hot water is called a hot water boiler, 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.

At present, the combustion device of the existing cyclone boiler is simple in structure, capable of inputting air into a combustion chamber through a pipeline, fast in flow speed and small in dispersion range, so that the contact efficiency of the combustion device and fuel is poor, the combustion of the fuel is insufficient, the fuel is wasted, and the requirement of a user cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a combustion device of a cyclone boiler.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a combustion device of a cyclone boiler comprises a combustor, an air inlet pipe and a pulverized coal conveying pipe;

the combustor is internally provided with a combustion chamber, an air inlet pipe communicated with the combustion chamber is inserted into one side surface wall of the combustor along the length direction, a pulverized coal conveying pipe is arranged at the center of the interior of the air inlet pipe, one end of the pulverized coal conveying pipe extends into the combustion chamber and is provided with an igniter, the other end of the pulverized coal conveying pipe penetrates through the air inlet pipe and extends to the outside, and a swirler is arranged at the outside of the pulverized coal conveying pipe at one end of the interior of the air inlet pipe, which is close to the combustion chamber;

the swirler includes inner bearing, interior ring venturi tube, spiral water conservancy diversion leaf, outer ring venturi tube and outer bearing, the inner bearing welding is on pulverized coal conveyer pipe outside table wall, interior ring venturi tube welding is on the outer table wall of inner bearing, outer ring venturi tube is established in the interior ring venturi tube outside, and the welding has the spiral water conservancy diversion leaf that a plurality of is the annular distribution between interior ring venturi tube and the outer ring venturi tube, the welding has outer bearing on the outer ring venturi tube outside table wall, and the interior table wall welded fastening of outer bearing and air-supply line.

Preferably, inlay on the interior table wall of combustion chamber and establish and install the annular tube, and the welding has the outlet duct that switches on each other with the annular tube on the interior table wall of annular tube, the pipe that runs through the combustor and extend to the outside is connected with in the switch on the exterior wall of annular tube.

Preferably, a second fan base is fixed on the upper surface of the combustor through bolts, a second fan is fixed on the second fan base through bolts, a second air inlet pipe is arranged on an air inlet of the second fan, and an air outlet of the second fan is in conduction connection with the guide pipe.

Preferably, the one end that the air-supply line is located the combustor outside is seal structure, the welding has first fan seat on the outer table wall of air-supply line, and the bolt fastening has first fan on the first fan seat, be provided with first intake pipe on the air intake of first fan, the air outlet of first fan passes through connecting pipe and air-supply line turn-on connection each other.

Preferably, the outlet duct is provided with a plurality of altogether, and a plurality of outlet duct is the annular and distributes, and the contained angle between two adjacent outlet ducts is equal.

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

1. the utility model discloses in, this cyclone boiler's burner, set up the buggy conveyer pipe in the inside center department of air-supply line, and the outside that is located the buggy conveyer pipe in the air-supply line is provided with the swirler, setting through the swirler, the air that can emit into the combustion chamber through the air-supply line on the one hand carries out the slow stream, reduce the velocity of flow of air, guarantee the abundant contact of air and buggy, the effectual combustion efficiency and the abundant of burning that have improved the buggy, on the other hand can change into the mode of whirl with the air of one-tenth strand direct current, increase the air current diffusion scope, further improvement the contact efficiency of buggy and air, the combustion efficiency of buggy has been improved.

2. The utility model discloses in, this burner of whirl boiler still inlays on the combustion chamber table wall and is equipped with the toroidal tube, and on the toroidal tube table wall on the conduction connect have a plurality of outlet duct, when using, can also open the second fan, absorb the air through the second fan then discharge into the toroidal tube through the pipe, discharge through the outlet duct that sets up on the toroidal tube, carry out the tonifying qi to the combustion chamber, further assurance the sufficiency of combustion chamber air, guaranteed the combustion effect of buggy.

Drawings

Fig. 1 is a schematic structural view of a combustion device of a cyclone boiler according to the present invention;

fig. 2 is a schematic structural diagram of a swirler of a combustion device of a swirl boiler according to the present invention;

fig. 3 is a schematic structural diagram of a ring pipe of a combustion device of a cyclone boiler according to the present invention.

Illustration of the drawings:

1. a burner; 2. a combustion chamber; 3. a swirler; 31. an inner bearing; 32. an inner annular tube; 33. a spiral guide vane; 34. an outer annular tube; 35. an outer bearing; 4. an air inlet pipe; 5. a pulverized coal conveying pipe; 51. an igniter; 6. a first fan base; 7. a first intake pipe; 8. a first fan; 9. a connecting pipe; 10. a second fan base; 11. a second intake pipe; 12. a second fan; 13. a conduit; 14. an annular tube; 141. and an air outlet pipe.

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. 1-3, a combustion apparatus of a cyclone boiler includes a burner 1, an air inlet pipe 4 and a pulverized coal delivery pipe 5;

a combustion chamber 2 is arranged inside the combustor 1, an air inlet pipe 4 communicated with the combustion chamber 2 is inserted into one side surface wall of the combustor 1 along the length direction, a pulverized coal conveying pipe 5 is arranged at the center inside the air inlet pipe 4, one end of the pulverized coal conveying pipe 5 extends into the combustion chamber 2 and is provided with an igniter 51, the other end of the pulverized coal conveying pipe 5 penetrates through the air inlet pipe 4 and extends to the outside, and a swirler 3 is arranged at the outside of the pulverized coal conveying pipe 5 at one end, close to the combustion chamber 2, inside the air inlet pipe 4;

swirler 3 includes inner bearing 31, interior ring tube 32, spiral water conservancy diversion leaf 33, outer annular pipe 34 and outer bearing 35, inner bearing 31 welds on the outer table wall of buggy conveyer pipe 5, interior ring tube 32 welds on the outer table wall of inner bearing 31, the outer annular pipe 32 outside including outer annular pipe 34 cover is established, and the welding has the spiral water conservancy diversion leaf 33 that a plurality of is the annular and distributes between interior ring tube 32 and the outer annular pipe 34, the welding has outer bearing 35 on the outer table wall of outer annular pipe 34, and outer bearing 35 and the interior table wall welded fastening of air-supply line 4.

The inner surface wall of the combustion chamber 2 is embedded with an annular pipe 14, the inner surface wall of the annular pipe 14 is welded with an air outlet pipe 141 communicated with the annular pipe 14, and the outer surface wall of the annular pipe 14 is communicated with a guide pipe 13 penetrating through the combustor 1 and extending to the outer side.

A second fan base 10 is fixed on the upper surface of the combustor 1 through bolts, a second fan 12 is fixed on the second fan base 10 through bolts, a second air inlet pipe 11 is arranged on an air inlet of the second fan 12, and an air outlet of the second fan 12 is in conduction connection with a guide pipe 13.

The one end that the air-supply line 4 is located the combustor 1 outside is seal structure, and the welding has first fan seat 6 on the outer table wall of air-supply line 4, and the bolt fastening has first fan 8 on the first fan seat 6, is provided with first intake pipe 7 on the air intake of first fan 8, and the air outlet of first fan 8 passes through connecting pipe 9 and air-supply line 4 looks turn-on connection each other.

The plurality of air outlet pipes 141 are arranged, the plurality of air outlet pipes 141 are distributed annularly, and the included angles between two adjacent air outlet pipes 141 are equal.

The working principle is as follows: this cyclone boiler's burner, in the use, open first fan 8 and second fan 12, the buggy with the burning passes through buggy conveyer pipe 5 and inputs into combustion chamber 2 in, cooperation point firearm 51 lights the burning, first fan 8 absorbs the air through first intake pipe 7 then discharges into in the air-supply line 4 simultaneously, the air enters into combustion chamber 2 behind the swirler 3 that sets up through the air-supply line 4 in, the required oxygen of supplementary burning, secondly second fan 12 can also absorb the air through second intake pipe 11 then discharges into in the ring pipe 14 through pipe 13, the outlet duct 141 that sets up on the rethread ring pipe 14 discharges, replenish the required oxygen of combustion chamber 2 burning once more.

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. A combustion device of a cyclone boiler is characterized by comprising a combustor (1), an air inlet pipe (4) and a pulverized coal conveying pipe (5);

the combustor is characterized in that a combustion chamber (2) is arranged inside the combustor (1), an air inlet pipe (4) communicated with the combustion chamber (2) is inserted into one side surface wall of the combustor (1) along the length direction, a pulverized coal conveying pipe (5) is arranged at the center of the inside of the air inlet pipe (4), one end of the pulverized coal conveying pipe (5) extends into the combustion chamber (2) and is provided with an igniter (51), the other end of the pulverized coal conveying pipe (5) penetrates through the air inlet pipe (4) and extends to the outside, and one end, close to the combustion chamber (2), of the inside of the air inlet pipe (4) is located on the outside of the pulverized coal conveying pipe (5) and is provided with a swirler (3);

swirler (3) are including inner bearing (31), interior ring venturi tube (32), spiral water conservancy diversion leaf (33), outer annular pipe (34) and outer bearing (35), inner bearing (31) welding is on the outer table wall of buggy conveyer pipe (5), interior ring venturi tube (32) welding is on the outer table wall of inner bearing (31), ring venturi tube (32) outside including outer ring venturi tube (34) cover is established, and has spiral water conservancy diversion leaf (33) that a plurality of is the annular and distributes between interior ring venturi tube (32) and outer ring venturi tube (34), the welding has outer bearing (35) on the outer table wall of outer ring venturi tube (34), and the inner table wall welded fastening of outer bearing (35) and air-supply line (4).

2. A burner of a cyclone boiler according to claim 1, wherein the inner surface wall of the combustion chamber (2) is embedded with a ring pipe (14), the inner surface wall of the ring pipe (14) is welded with an air outlet pipe (141) communicated with the ring pipe (14), and the outer surface wall of the ring pipe (14) is communicated with a guide pipe (13) extending to the outside through the burner (1).

3. A burner device of a cyclone boiler according to claim 1, wherein a second blower base (10) is bolted to the upper surface of the burner (1), a second blower (12) is bolted to the second blower base (10), a second air inlet pipe (11) is arranged at the air inlet of the second blower (12), and the air outlet of the second blower (12) is connected with the conduit (13) in a conduction manner.

4. The combustion device of the cyclone boiler according to claim 1, wherein one end of the air inlet pipe (4) located outside the burner (1) is a sealing structure, the outer surface wall of the air inlet pipe (4) is welded with a first fan base (6), the first fan base (6) is fixed with a first fan (8) through bolts, the air inlet of the first fan (8) is provided with a first air inlet pipe (7), and the air outlet of the first fan (8) is in conduction connection with the air inlet pipe (4) through a connecting pipe (9).

5. A combustion apparatus of a cyclone boiler according to claim 2, wherein a plurality of outlet pipes (141) are provided, and the plurality of outlet pipes (141) are distributed annularly, and the included angles between two adjacent outlet pipes (141) are equal.