A structure of a burner of a roaster

Abstract

The utility model discloses a kind of roasting furnace burner structure, it is related to roasting furnace burner technical field, comprising: inner cylinder subassembly, the inner cylinder subassembly includes inner cylinder body, the one end of the inner cylinder body is provided with conical cylinder head, outer cylinder subassembly is installed on the outer wall of the inner cylinder body, the outer cylinder subassembly includes outer cylinder cover, the one end of the outer cylinder cover extends to conical cylinder head place, the one end of the outer cylinder cover is provided with shielding piece, the outer wall of the conical cylinder head is equipped with several annular interval arrangement third grade hole, second grade hole and first grade hole, the third grade hole is close to inner cylinder body, the third grade hole, second grade hole and first grade hole are sequentially spaced arrangement, end hole is arranged at the end of the conical cylinder head. Solve the existing roasting furnace burner flame injection hole is divided into three levels, third grade flame injection hole is too close to furnace body and inner lining distance, leading to roasting furnace furnace body frequently red, cause furnace body damage, inner lining crack, breakage problem.

Description

TECHNICAL FIELD

[0001] The utility model relates to a roasting furnace burner technical field, concretely is a kind of roasting furnace burner structure. BACKGROUND

[0002] Roasting furnace burner is the device for burning on industrial fuel furnace, and main function is to spray out combustion after mixing fuel such as coal gas, natural gas etc.

[0003] For example, the announcement number: CN220103118U, is named "a kind of roasting furnace burner", including pipe body, one end of pipe body is coaxially equipped with cone head, and the tip of cone head is equipped with opening;The inside of cone head is coaxially equipped with center tube, and center tube includes straight pipe section, and straight pipe section is connected with swirl tube blocked at one end by taper pipe section, and swirl tube extends the opening of cone head, and swirl tube and opening form gas outlet between them, and the pipe section of swirl tube extending opening is uniformly distributed with swirl hole around its axis line;The taper pipe section of center tube is close to gas outlet.This utility model part of gas is blown out from gas outlet directly through the passage between center tube and cone head, and part of gas is blown out through swirl hole of center tube, and the swirl gas mixed with direct current gas, and swirl gas makes direct current gas diffuse, and the through hole opened on cone head further increases combustion area, so that burner combustion covers large area, and cone head and pipe body are connected by screw thread, and cone head is easy to replace when burning, saves material and cost.

[0004] However, the existing roasting furnace burner flame injection hole is divided into three levels, the third level flame injection hole is too close to the furnace body and the lining, which causes the roasting furnace body to be frequently red, resulting in damage to the furnace body, cracks and damage to the lining;Therefore, it does not meet the existing needs, and a roasting furnace burner structure is proposed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of roasting furnace burner structure, which does not change the length of existing burner, and improves the burner that flame is easy to affect furnace body and lining by installing structure, to solve the problem proposed in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of roasting furnace burner structure, comprising: inner cylinder subassembly, the inner cylinder subassembly includes inner cylinder body, one end of the inner cylinder body is provided with conical cylinder head, outer wall of the inner cylinder body is installed with outer cylinder subassembly, the outer cylinder subassembly includes outer cylinder cover, one end of the outer cylinder cover extends to conical cylinder head, one end of the outer cylinder cover is provided with shielding piece, and the outer wall of conical cylinder head is provided with a plurality of annularly spaced third level holes, second level holes and first level holes;The setting of outer cylinder cover is used to be combined with the installation of inner cylinder body, since the outer cylinder cover extends to conical cylinder head, the shielding piece installed at the outer cylinder cover can shield the third level hole.

[0007] Preferably, the third level hole is close to the inner cylinder, the third level hole, the second level hole and the first level hole are arranged in turn and are spaced, and an end hole is arranged at the end of the conical cylinder head; the third level hole, the second level hole and the first level hole arranged on the conical cylinder head are used for spraying the flame, and the annular spaced arrangement structure effectively improves the spraying range of the flame.

[0008] Preferably, the shielding piece comprises a plurality of arc-shaped guide plates arranged in an annular and spaced manner, and the arc-shaped guide plates are located above the third level hole; the arrangement of the arc-shaped guide plate can block the channel of the flame contacting the furnace body and the inner lining, the arc-shaped structure can guide the flame, and the annular and spaced arrangement can match the annular distributed hole structure and limit the flame sprayed from the third level hole in different directions.

[0009] Preferably, a plurality of plug-in ports are arranged in an annular and spaced manner on the end wall of one end of the outer cylinder cover, the rear end of the arc-shaped guide plate is provided with a plug-in block, and the arc-shaped guide plate is assembled and combined with the plug-in port through the plug-in block; the combination of the arc-shaped guide plate and the plug-in port through the plug-in block has a dismounting structure, which facilitates the user to dismount and replace.

[0010] Preferably, positioning grooves are arranged on both sides of the plug-in port, positioning blocks are arranged on both sides of the plug-in block, and the positioning blocks are inserted into the positioning grooves; the arrangement of the positioning grooves and the positioning blocks can further improve the firmness of the assembled and combined state, and facilitates the user to position and install.

[0011] Preferably, the other end of the inner cylinder is provided with an inner cylinder assembly seat; the inner cylinder assembly seat is used to facilitate the bolt fixation of the rear end of the inner cylinder.

[0012] Preferably, the other end of the outer cylinder cover is provided with an outer cylinder assembly seat; the outer cylinder assembly seat is used to fix the outer cylinder cover through a bolt.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] (1) In the utility model, the flame at the inner cylinder is sprayed out from the conical cylinder head, the outer cylinder cover is arranged to be combined and installed with the inner cylinder, the outer cylinder cover extends to the conical cylinder head, so that the shielding piece arranged on the outer cylinder cover can shield the third level hole, specifically, the shielding piece is used to shield the flame, so as to avoid that the flame at the third level hole affects the furnace body and the inner lining, specifically, the arrangement of the arc-shaped guide plate can block the channel of the flame contacting the furnace body, the inner lining and the arc-shaped structure can guide the flame, and the annular and spaced arrangement can match the hole structure arranged in an annular manner and limit the flame sprayed from the third level hole in different directions.

[0015] (2) The utility model discloses, outer cylinder cover place and arc guide plate have detachable structure, specifically: arc guide plate is combined through the plug -in block and the plug -in mouth also can be through the mode of pulling out and is taken down, in addition, adopt the setting of positioning groove and positioning block, can further improve the firmness of two assembly combined state, and convenient for user positioning installation, the above structure advantage is, because need to be influenced by long -term high temperature, can through above -mentioned dismounting mode, convenient for user to replace, need not to dismount entire outer cylinder cover, and the replacement cost is lower, can be targeted to the single shielding piece place and replace. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is whole structure schematic diagram of the utility model;

[0017] Figure 2 It is inner cylinder body structure schematic diagram of the utility model;

[0018] Figure 3 It is outer cylinder subassembly structure schematic diagram of the utility model;

[0019] Figure 4 It is shielding piece structure schematic diagram of the utility model;

[0020] In the drawing: 1, inner cylinder subassembly;101, inner cylinder body;102, conical cylinder head;103, third stage hole;104, second stage hole;105, first stage hole;106, end hole;107, inner cylinder assembly seat;2, outer cylinder subassembly;201, outer cylinder cover;202, outer cylinder assembly seat;203, plug -in mouth;204, positioning groove;3, shielding piece;301, arc guide plate;302, plug -in block;303, positioning block. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0022] Please refer to Figures 1-4The utility model provides a kind of embodiment: a kind of roasting furnace burner structure, comprising: inner cylinder subassembly 1, inner cylinder subassembly 1 includes inner cylinder body 101, the one end of inner cylinder body 101 is provided with conical cylinder head 102, outer cylinder subassembly 2 is installed on the outer wall of inner cylinder body 101, and outer cylinder subassembly 2 includes outer cylinder cover 201, and one end of outer cylinder cover 201 extends to conical cylinder head 102, and one end of outer cylinder cover 201 is provided with shielding piece 3, a plurality of annular interval arranged third level hole 103, second level hole 104 and first level hole 105 are set on the outer wall of conical cylinder head 102, third level hole 103 is close to inner cylinder body 101, third level hole 103, second level hole 104 and first level hole 105 are sequentially spaced, and end hole 106 is set at the end of conical cylinder head 102.

[0023] In the above structure, flame is sprayed out from conical cylinder head 102 at inner cylinder body 101, and outer cylinder cover 201 is combined with inner cylinder body 101 for installation, since outer cylinder cover 201 extends to conical cylinder head 102, shielding piece 3 installed at outer cylinder cover 201 can shield third level hole 103.

[0024] Specifically: shielding piece 3 includes a plurality of annular interval arranged arc-shaped guide plate 301, and arc-shaped guide plate 301 is located above third level hole 103, shielding piece 3 is used to shield flame effect, to avoid the influence of flame at third level hole 103 to furnace body and inner lining, wherein, the arrangement of arc-shaped guide plate 301 can block the channel of flame and furnace body, inner lining, and the arc-shaped structure can guide the effect of flame, and the design of annular interval arrangement can match the hole structure of annular distribution, limit the flame sprayed at third level hole 103 in different directions.

[0025] Further, shielding piece 3 and outer cylinder cover 201 are nickel-based superalloy, with high-temperature resistance characteristics, suitable for roasting furnace use scenarios.

[0026] Please refer to Figure 3 、 Figure 4A plurality of insertion ports 203 are arranged in annular intervals on the end wall of one end of the outer cylinder cover 201, the rear end of the arc-shaped guide plate 301 is provided with an insertion block 302, the arc-shaped guide plate 301 is assembled and combined with the insertion port 203 through the insertion block 302, the two sides of the insertion port 203 are provided with positioning grooves 204, and the two sides of the insertion block 302 are provided with positioning blocks 303, the positioning blocks 303 are inserted into the positioning grooves 204; the arc-shaped guide plate 301 and the outer cylinder cover 201 have a detachable structure, specifically: the arc-shaped guide plate 301 is combined with the insertion port 203 through the insertion block 302, and can also be detached and removed by pulling out, in addition, the positioning grooves 204 and the positioning blocks 303 are arranged, so that the firmness of the two in the assembled and combined state can be further improved, and the user can conveniently position and install; the above structural advantages are that, since it needs to be affected by long-term high temperature, the above disassembly and assembly mode can be used to facilitate the user to replace, the entire outer cylinder cover 201 does not need to be disassembled, the replacement cost is lower, and the single shielding piece 3 can be replaced.

[0027] Please refer to Figure 2 、 Figure 3 The other end of the inner cylinder body 101 is provided with an inner cylinder assembly seat 107, and the other end of the outer cylinder cover 201 is provided with an outer cylinder assembly seat 202; in the above structure, the inner cylinder assembly seat 107 and the outer cylinder assembly seat 202 are arranged to be assembled and combined with other objects by bolt mounting.

[0028] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be considered as limiting the claims.

Claims

1. A burner structure for a roasting furnace, comprising an inner cylinder assembly (1), characterized in that: The inner cylinder assembly (1) includes an inner cylinder body (101), one end of which is provided with a conical head (102). An outer cylinder assembly (2) is installed on the outer wall of the inner cylinder body (101). The outer cylinder assembly (2) includes an outer cylinder cover (201), one end of which extends to the conical head (102). One end of the outer cylinder cover (201) is provided with a shielding member (3). A plurality of annularly spaced third-level holes (103), second-level holes (104), and first-level holes (105) are provided on the outer wall of the conical head (102).

2. The burner structure of a roasting furnace according to claim 1, characterized in that: The third-level hole (103) is close to the inner cylinder (101). The third-level hole (103), the second-level hole (104) and the first-level hole (105) are arranged in sequence at intervals. An end hole (106) is provided at the end of the conical cylinder head (102).

3. The burner structure of a roasting furnace according to claim 1, characterized in that: The shielding member (3) includes a plurality of arc-shaped guide plates (301) arranged in a ring at intervals, the arc-shaped guide plates (301) being located above the third-level hole (104).

4. The burner structure of a roasting furnace according to claim 3, characterized in that: The outer sleeve (201) has multiple insertion ports (203) arranged in a ring at intervals on one end wall. The arc-shaped guide plate (301) has an insertion block (302) at its rear end. The arc-shaped guide plate (301) is assembled with the insertion port (203) through the insertion block (302).

5. The burner structure of a roasting furnace according to claim 4, characterized in that: The insertion port (203) has positioning grooves (204) on both sides, and the insertion block (302) has positioning blocks (303) on both sides. The positioning blocks (303) are inserted into the positioning grooves (204).

6. The burner structure of a roasting furnace according to claim 1, characterized in that: The other end of the inner cylinder (101) is provided with an inner cylinder mounting base (107).

7. The burner structure of a roasting furnace according to claim 1, characterized in that: The other end of the outer cylinder cover (201) is provided with an outer cylinder mounting base (202).

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