CN217441647U - Solid waste incineration burner - Google Patents

Abstract

The utility model provides a solid useless combustor that burns, this solid useless combustor that burns includes: the main spray gun comprises a plurality of main spray pipes, and the end part of each main spray pipe is provided with a main spray hole; the secondary spray gun comprises a central sleeve and a secondary spray head, a plurality of main spray pipes are arranged around the secondary spray gun, a first end of the secondary spray head is provided with a plurality of secondary spray holes, the plurality of secondary spray holes are arranged along the circumferential direction of the secondary spray head at intervals, the main spray holes and the secondary spray holes are located at the same end of the solid waste incineration burner, and a second end of the secondary spray head is in threaded connection with the end part of the central sleeve. Through the technical scheme that this application provided, can solve the problem that the solid useless incineration combustor long-time operation in the correlation technique burns out easily.

Description

Solid waste incineration burner

Technical Field

The utility model relates to a solid useless incineration disposal technical field particularly, relates to a solid useless incineration burner.

Background

The incineration of waste residue and solid waste is a matched environment-friendly facility for coal-to-liquid chemical projects. At present, the conventional waste residue treatment mode mainly adopts incineration treatment, but because the calorific value of the waste residue is higher, the temperature fluctuation of a rotary kiln is large in the incineration process, and overtemperature slag is coked, so that great challenges are provided for long-period operation of equipment. In the slag wax incineration technology, a secondary combustion chamber of key equipment is in a severe environment with high temperature (1200 ℃) and high corrosion, a solid waste incineration burner is an important component of the secondary combustion chamber, and the solid waste incineration burner mainly has the functions of temperature rise, afterburning and sufficient burning of harmful substances.

In the related technology, the solid waste incineration burner adopts a homodromous double-swirl design, fuel gas enters through a main channel and an auxiliary channel, and main fuel gas jet flow and air central swirl flow rotate in the same direction to enhance the combustion mixing effect.

However, the flame of the solid waste incineration burner in the related art is not easy to control, and the solid waste incineration burner is easy to burn out after long-term operation, thereby affecting the quality and the service life of the solid waste incineration burner.

SUMMERY OF THE UTILITY MODEL

The utility model provides a solid useless burning combustor to solve the problem that the solid useless burning combustor long-time operation among the correlation technique burns out easily.

The utility model provides a solid useless combustor that burns, solid useless combustor that burns includes: the main spray gun comprises a plurality of main spray pipes, and the end part of each main spray pipe is provided with a main spray hole; the secondary spray gun comprises a central sleeve and a secondary spray head, a plurality of main spray pipes are arranged around the secondary spray gun, a first end of the secondary spray head is provided with a plurality of secondary spray holes, the plurality of secondary spray holes are arranged along the circumferential direction of the secondary spray head at intervals, the main spray holes and the secondary spray holes are located at the same end of the solid waste incineration burner, and a second end of the secondary spray head is in threaded connection with the end part of the central sleeve.

Furthermore, the secondary spray holes comprise a plurality of first spray holes and a plurality of second spray holes, the plurality of first spray holes and the plurality of second spray holes are arranged at intervals along the circumferential direction of the secondary spray head, the aperture of the first spray holes is larger than that of the second spray holes, and the number of the first spray holes is larger than that of the second spray holes.

Further, the plurality of first spray holes and the plurality of second spray holes are uniformly distributed along the circumferential direction of the secondary spray head.

Furthermore, the aperture of the first spray hole is between 3mm and 4mm, and the aperture of the second spray hole is between 8mm and 2 mm; and/or the number of the first jet holes is 16, and the number of the second jet holes is 4.

Furthermore, the second end of the secondary nozzle is provided with an internal thread, and the outer side wall of the central sleeve is provided with an external thread matched with the internal thread.

Furthermore, the solid waste incineration burner also comprises a flame holder and a fastener, wherein the flame holder is connected with the secondary spray head through the fastener.

Further, the flame stabilizer comprises a connecting cylinder and a gradually expanding cylinder, the connecting cylinder is sleeved on the outer side wall of the secondary spray head and is connected with the secondary spray head through a fastener, the first end of the gradually expanding cylinder is connected with the end of the connecting cylinder, and the cross section size of the gradually expanding cylinder is gradually increased in the direction from the first end of the gradually expanding cylinder to the second end of the gradually expanding cylinder.

Furthermore, a plurality of circulation holes are arranged on the gradually-expanding cylinder body, and the circulation holes are arranged at intervals along the circumferential direction of the gradually-expanding cylinder body.

Further, the aperture of the flow hole is between 12mm and 18 mm; and/or the number of flow holes is 8.

Further, the end of each main nozzle is provided with a plurality of main spray holes; and/or the number of main nozzles is 10.

Use the technical scheme of the utility model, solid useless burning combustor includes main spray gun and inferior spray gun, at the burning in-process, and fuel gas is through main orifice and inferior orifice blowout, because a plurality of main nozzles enclose the periphery of establishing at inferior spray gun, inferior orifice sets up along the circumference interval of inferior shower nozzle to the main gas efflux of reinforcing main orifice spun and the effect of air center whirl syntropy rotation strengthen the mixed effect of burning. And because the second end of the secondary nozzle is in threaded connection with the end part of the central sleeve, the reliability of connection between the secondary nozzle and the central sleeve in a high-temperature working environment is improved by utilizing the high-temperature resistance characteristic of threaded connection, the insecure connection between the secondary nozzle and the central sleeve is avoided, and the service life of the solid waste incineration burner is further prolonged.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the scope of the invention. In the drawings:

fig. 1 shows a schematic structural diagram of a solid waste incineration burner provided by an embodiment of the present invention;

fig. 2 shows a cross-sectional view of a secondary nozzle of a solid waste incineration burner provided by the embodiment of the invention;

fig. 3 is a schematic structural diagram of a secondary nozzle of a solid waste incineration burner provided by the embodiment of the invention;

fig. 4 shows a cross-sectional view of a flame holder and fasteners of a solid waste incineration burner provided by an embodiment of the invention;

fig. 5 shows an assembly view of a flame holder and a fastener of a solid waste incineration burner provided by the embodiment of the invention.

Wherein the figures include the following reference numerals:

10. a main spray gun; 11. a main nozzle; 111. a main orifice;

20. a secondary spray gun; 21. a central sleeve; 22. a secondary nozzle; 221. secondary spraying holes; 2211. a first nozzle hole; 2212. a second nozzle hole;

30. a flame stabilizer; 31. connecting the cylinder body; 32. gradually expanding the cylinder body; 321. a flow-through hole;

40. a fastener.

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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to 5, the embodiment of the utility model provides a solid useless burner that burns, this solid useless burner that burns includes main spray gun 10 and time spray gun 20, main spray gun 10 includes a plurality of main spouts 11, the tip of each main spout 11 all is provided with main orifice 111, a plurality of main spouts 11 enclose the periphery of establishing at time spray gun 20, time spray gun 20 includes central sleeve pipe 21 and time shower nozzle 22, the first end of time shower nozzle 22 is provided with a plurality of time orifices 221, a plurality of time orifices 221 set up along the circumference interval of time shower nozzle 22, main orifice 111 is located the same one end of solid useless burner with time orifice 221, the second end of time shower nozzle 22 and the tip threaded connection of central sleeve pipe 21.

Use the technical scheme of the utility model, solid useless burning combustor includes main spray gun 10 and inferior spray gun 20, at the incineration in-process, and fuel gas is through main orifice 111 and inferior orifice 221 blowout, because a plurality of main nozzles 11 enclose the periphery of establishing at inferior spray gun 20, inferior orifice 221 sets up along the circumference interval of inferior shower nozzle 22 to the main gas efflux of main orifice 111 spun of reinforcing and the effect of air center whirl syntropy rotation strengthen the mixed effect of burning. In addition, as the second end of the secondary nozzle 22 is in threaded connection with the end part of the central sleeve 21, the reliability of connection between the secondary nozzle 22 and the central sleeve 21 in a high-temperature working environment is improved by utilizing the high-temperature resistance characteristic of the threaded connection, the insecure connection between the secondary nozzle 22 and the central sleeve 21 is avoided, and the service life of the solid waste incineration burner is further prolonged. Under high temperature operational environment, compare in welded connection's structure, its welding part is easy high temperature oxidation scaling loss for connect insecurely, adopt threaded connection's structure, because threaded connection's high temperature resistant characteristic makes firm in connection reliable.

It should be noted that the solid waste incineration burner adopts the same direction double swirl design, and the fuel gas enters the main spray gun 10 and the secondary spray gun 20 respectively through the main and secondary double channels, so that the main fuel gas jet is sprayed out from the main spray hole 111, and the secondary fuel gas jet is sprayed out from the secondary spray hole 221.

As shown in fig. 1 and 3, the plurality of sub nozzle holes 221 include a plurality of first nozzle holes 2211 and a plurality of second nozzle holes 2212, the plurality of first nozzle holes 2211 and the plurality of second nozzle holes 2212 are arranged at intervals in the circumferential direction of the sub head 22, the diameter of the first nozzle holes 2211 is larger than that of the second nozzle holes 2212, and the number of the first nozzle holes 2211 is larger than that of the second nozzle holes 2212. Because the aperture and the quantity of first orifice 2211 all are greater than the aperture and the quantity of second orifice 2212, when the combustion effect of spray gun 20 is guaranteed to the aperture structure who utilizes second orifice 2212, through the first orifice 2211 who adopts the large aperture structure for fuel gas jet flow velocity reduces, and flame easily controls, thereby avoids flame to receive system's pressure fluctuation factor to cause solid waste incineration combustor scaling loss, avoids the parking to overhaul to cause economic loss.

As shown in fig. 1 and 3, the plurality of first nozzle holes 2211 and the plurality of second nozzle holes 2212 are uniformly distributed in the circumferential direction of the sub-shower 22. In the burning process, the fuel gas is sprayed out from the secondary nozzle 22 through the first nozzle holes 2211 and the second nozzle holes 2212, and the first nozzle holes 2211 and the second nozzle holes 2212 are multiple and are uniformly arranged at intervals along the circumferential direction of the secondary nozzle 22, so that the co-rotation of the secondary fuel gas jet flow and the air central rotational flow is enhanced, and the combustion mixing effect is enhanced.

In this embodiment, the diameter of the first nozzle 2211 is between 3mm and 3.4mm, and the diameter of the second nozzle 2212 is between 1.8mm and 2.2 mm. Adopt the inferior orifice 221 of above-mentioned aperture scope, in the process of burning, avoid inferior orifice 221 aperture too big on the one hand for the fuel gas efflux velocity of flow is low excessively, influences the combustion effect of time spray gun 20, and on the other hand avoids inferior orifice 221 aperture undersize, makes the fuel gas efflux velocity of flow too high, and flame easily receives the influence of system pressure fluctuation factor, causes the burning loss of solid useless burning combustor.

In the present embodiment, the number of the first nozzle holes 2211 is 16, and the number of the second nozzle holes 2212 is 4.

Specifically, the apertures of the 16 first nozzle holes 2211 are all 3.2mm, and the apertures of the 4 second nozzle holes 2212 are all 2 mm. In other embodiments, the aperture of the first nozzle orifice 2211 may be 3mm, 3.1mm, 3.3mm, 3.4mm, and any other value between 3mm and 3.4 mm. The aperture of the second nozzle 2212 may be 1.8mm, 1.9mm, 2.1mm, 2.2mm, and any other value between 1.8mm and 2.2 mm.

As shown in fig. 1 and 2, the second end of the secondary nozzle 22 is provided with an internal thread, and the outer side wall of the central sleeve 21 is provided with an external thread matching the internal thread. Adopt inferior shower nozzle 22 and center sleeve 21 of above-mentioned structure, under high temperature operational environment, because inferior shower nozzle 22 is threaded connection with center sleeve 21, utilize threaded connection's high temperature resistant characteristic for the reliability that inferior shower nozzle 22 is connected with center sleeve 21 improves, prevents inferior shower nozzle 22 and drops, prolongs the life of this embodiment, avoids restricting the long period running of useless burner admittedly.

As shown in fig. 1, 4 and 5, the solid waste incineration burner further comprises a flame holder 30 and a fastener 40, and the flame holder 30 is connected with the secondary spray head 22 through the fastener 40. By adopting the flame holder 30 and the fastening member 40, under a high-temperature working environment, the flame holder 30 is connected with the secondary nozzle 22 through the fastening member 40, and the reliability of connection between the flame holder 30 and the secondary nozzle 22 is improved by utilizing the high-temperature resistance characteristic of threaded connection.

As shown in fig. 1 and 4, the flame holder 30 includes a connection cylinder 31 and a divergent cylinder 32, the connection cylinder 31 is sleeved on the outer side wall of the secondary nozzle 22, the connection cylinder 31 is connected with the secondary nozzle 22 through a fastening member 40, a first end of the divergent cylinder 32 is connected with an end portion of the connection cylinder 31, and a cross-sectional dimension of the divergent cylinder 32 is gradually increased in a direction from the first end to a second end of the divergent cylinder 32. By adopting the flame holder 30 with the structure, in the burning process, the fuel gas is sprayed out from the solid waste burning burner through the main spray hole 111 and the secondary spray hole 221, the flame holder 30 can avoid the interference between the flame sprayed out by the main spray gun 10 and the flame sprayed out by the secondary spray gun 20, the reliability of the solid waste burning burner is improved, the burning loss of the solid waste burning burner is avoided, and the service life of the solid waste burning burner is prolonged.

As shown in fig. 1 and 4, the divergent cylinder 32 is provided with a plurality of flow holes 321, and the plurality of flow holes 321 are provided at intervals in the circumferential direction of the divergent cylinder 32. By adopting the flame holder 30 with the structure, in the burning process, air can flow through the circulation holes 321, so that the main fuel gas jet flow and the air central rotational flow are enhanced to rotate in the same direction, and the burning mixing effect is enhanced.

As shown in fig. 1 and 4, the diameter of the flow hole 321 is between 12mm and 18 mm. By adopting the circulation holes 321 with the size range, in the burning process, on one hand, the problem that the aperture of the circulation holes 321 is too small, the air flow effect is poor through the circulation holes 321, the combustion mixing effect is influenced, on the other hand, the problem that the aperture of the circulation holes 321 is too large, the air flow is too strong, the flame sprayed by the main spray gun 10 interferes with the flame sprayed by the secondary spray gun 20, and the burning loss of the solid waste burning burner is caused is avoided.

In the present embodiment, the number of the flow holes 321 is 8.

Specifically, the aperture of each of the 8 flow holes 321 is 15 mm. In other embodiments, the aperture of the flow holes 321 may be 12mm, 14mm, 16mm, 18mm, and any other value between 12mm and 18 mm.

As shown in fig. 1, the end of each of the main nozzles 11 is provided with a plurality of main nozzle holes 111. By adopting the embodiment with the structure, the main spray pipes 11 are circumferentially arranged along the secondary spray gun 20, and the plurality of main spray holes 111 are arranged on each main spray pipe 11, so that the main spray holes 111 are uniformly circumferentially arranged along the secondary spray gun 20, the optimal combustion effect is achieved, and the solid waste incineration burner is prevented from being burnt by nonuniform flame.

In the present embodiment, the number of the main nozzles 11 is 10.

It should be noted that the solid waste incineration burner further comprises a protective sleeve, an incandescent lamp, an ignition gun and a fire detector.

The device provided by the embodiment has the following beneficial effects:

(1) because the secondary nozzle 22 is in threaded connection with the central sleeve 21, the flame holder 30 is connected with the secondary nozzle 22 through the fastener 40, and the high-temperature resistance characteristic of the threaded connection is utilized, compared with the welding connection, the high-temperature oxidation burning loss of the welding part is avoided, and the service life is prolonged;

(2) because the secondary nozzle 22 is in threaded connection with the central sleeve 21, and the flame holder 30 is connected with the secondary nozzle 22 through the fastener 40, the installation and operation are simple, the disassembly is convenient, and the assembly is easy;

(3) the first spray hole 2211 adopting the large-aperture structure reduces the jet flow velocity of fuel gas, is easy to control flame, avoids the device burning loss to cause the shutdown of the solid waste incineration device, and reduces economic loss.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A solid waste incineration burner, characterized in that the solid waste incineration burner comprises:

the main spray gun (10) comprises a plurality of main spray pipes (11), and the end part of each main spray pipe (11) is provided with a main spray hole (111);

inferior spray gun (20), it is a plurality of main spray nozzle (11) encloses to be established the periphery of inferior spray gun (20), inferior spray gun (20) are including central sleeve pipe (21) and time shower nozzle (22), the first end of time shower nozzle (22) is provided with a plurality of time orifice (221), and is a plurality of time orifice (221) are followed the circumference interval of time shower nozzle (22) sets up, main orifice (111) with time orifice (221) are located the same end of solid useless burning combustor, the second end of time shower nozzle (22) with the tip threaded connection of central sleeve pipe (21).

2. The solid waste incineration burner as recited in claim 1, wherein the plurality of secondary nozzle holes (221) include a plurality of first nozzle holes (2211) and a plurality of second nozzle holes (2212), the plurality of first nozzle holes (2211) and the plurality of second nozzle holes (2212) are arranged at intervals in a circumferential direction of the secondary nozzle (22), an aperture of the first nozzle holes (2211) is larger than an aperture of the second nozzle holes (2212), and a number of the first nozzle holes (2211) is larger than a number of the second nozzle holes (2212).

3. The solid waste incineration burner as recited in claim 2, wherein the plurality of first nozzle holes (2211) and the plurality of second nozzle holes (2212) are uniformly distributed in a circumferential direction of the secondary nozzle (22).

4. The solid waste incineration burner of claim 2,

the aperture of the first spray hole (2211) is between 3mm and 3.4mm, and the aperture of the second spray hole (2212) is between 1.8mm and 2.2 mm; and/or the presence of a gas in the gas,

the number of the first nozzle holes (2211) is 16, and the number of the second nozzle holes (2212) is 4.

5. The solid waste incineration burner as recited in claim 1, wherein the second end of the secondary nozzle (22) is provided with an internal thread, and the outer side wall of the central sleeve (21) is provided with an external thread matching with the internal thread.

6. The solid waste incineration burner as claimed in any one of claims 1 to 5, further comprising a flame holder (30) and a fastener (40), the flame holder (30) being connected with the secondary spray head (22) by the fastener (40).

7. The solid waste incineration burner as recited in claim 6, wherein the flame holder (30) comprises a connecting cylinder (31) and a gradually expanding cylinder (32), the connecting cylinder (31) is sleeved on the outer side wall of the secondary nozzle (22), the connecting cylinder (31) is connected with the secondary nozzle (22) through the fastener (40), a first end of the gradually expanding cylinder (32) is connected with an end portion of the connecting cylinder (31), and the cross-sectional dimension of the gradually expanding cylinder (32) is gradually increased in a direction that the first end of the gradually expanding cylinder (32) points to a second end.

8. The solid waste incineration burner as recited in claim 7, wherein a plurality of flow holes (321) are provided in the divergent cylinder (32), and the plurality of flow holes (321) are provided at intervals in a circumferential direction of the divergent cylinder (32).

9. The solid waste incineration burner of claim 8,

the aperture of the flow hole (321) is between 12mm and 18 mm; and/or the presence of a gas in the gas,

the number of the flow holes (321) is 8.

10. The solid waste incineration burner of any one of claims 1 to 5,

the end part of each main jet pipe (11) is provided with a plurality of main jet holes (111); and/or the presence of a gas in the gas,

the number of the main nozzles (11) is 10.

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