CN215489705U

CN215489705U - Elbow type radiant tube structure

Info

Publication number: CN215489705U
Application number: CN202121794939.1U
Authority: CN
Inventors: 刘尊位
Original assignee: Jiangsu Shunfeng Metallurgical Machinery Manufacturing Co ltd
Current assignee: Jiangsu Shunfeng Metallurgical Machinery Manufacturing Co ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2022-01-11
Anticipated expiration: 2031-08-03

Abstract

The utility model discloses an elbow type radiant tube structure, which relates to the technical field of radiant tube structures and comprises a mounting seat, wherein a radiant tube is fixedly mounted on the mounting seat, a connecting sleeve is arranged on the radiant tube, an air inlet tube is arranged on the connecting sleeve, a burner nozzle is arranged inside the radiant tube, a material conveying rod is arranged at one end of the connecting sleeve, a sealing assembly for plugging the connecting sleeve is arranged on the material conveying rod, an inserting tube is arranged at one end of the material conveying rod, one end of the inserting tube is inserted into the burner nozzle, and a self-locking assembly for fixing the burner nozzle is arranged on the inserting tube. The utility model has the beneficial effects that: air blows to the burner all the time, reduces adhering to of fine coke, and the burner is convenient to be dismantled, is convenient for clear up the maintenance to the burner, practices thrift the maintenance cost.

Description

Elbow type radiant tube structure

Technical Field

The utility model relates to the technical field of radiant tube structures, in particular to an elbow type radiant tube structure.

Background

The radiant tube means a pipe extending in a straight line from the center to each direction. Which is the transport of the substance of the stem to a designated or non-designated address. The radiant tube is widely applied to the heating furnace and is a main heating element of the heating furnace.

The publication number is: CN213342710U a high temperature resistant radiant tube discloses, a high temperature resistant radiant tube, including the radiant tube body, the cover is equipped with the bending type on the elbow of radiant tube body and props the pipe, just the bending type props the elbow fixed connection of pipe and radiant tube body, the straight section of radiant tube body is gone up and the position department that is located the bending type and props the pipe both sides all is equipped with straight type and props the pipe, just straight type props pipe and radiant tube body fixed connection, equal fixedly connected with support gusset between bending type prop pipe and two straight type prop pipes.

When the radiant tube is used, the mode that adopts the gas combustion just generates heat, and the gas burns in the burner tip, produces high temperature, and high-temperature gas removes along the radiant tube, can carry out thermal transmission to the radiant tube, and the burner tip is in the coke breeze that the burning is not fully produced, and coke breeze adheres to burner tip department and needs regularly clear up, but the inconvenient dismantlement of present elbow type radiant tube structure, and the maintenance of burner tip is very loaded down with trivial details.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a bent-head type radiant tube structure, air is always blown to a burner, adhesion of coke powder is reduced, the burner is convenient to disassemble, the burner is convenient to clean and maintain, and maintenance cost is saved.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an elbow type radiant tube structure, includes the mount pad, fixed mounting has the radiant tube on the mount pad, be provided with the adapter sleeve on the radiant tube, be provided with the air admission pipe on the adapter sleeve, the inside of radiant tube is provided with the burner, the one end of adapter sleeve is provided with the defeated material stick, be provided with on the defeated material stick and carry out the seal assembly of shutoff to the adapter sleeve, defeated material stick one end is provided with puts into the pipe, the one end of putting into the pipe inserts in the burner, it carries out the auto-lock subassembly fixed to the burner to put into to be provided with on the pipe.

Preferably, the inner diameter of the connecting sleeve is larger than that of the radiant tube, and the connecting sleeve is communicated with one end of the radiant tube.

Preferably, the hole has been seted up to the inboard of burner tip, the one end inboard of burner tip is provided with spacing shrinkage pool, the auto-lock subassembly includes stopper, be provided with the air vent on the stopper.

Preferably, the limiting block is matched with the limiting concave hole, and the limiting block is clamped in the limiting concave hole.

Preferably, one end of the placing pipe is provided with a gas outlet, the number of the gas outlets is provided with a plurality of gas outlets, and the gas outlets are uniformly distributed on the placing pipe.

Preferably, seal assembly is including sealed dish, sealed dish fixed cup joints the outside of defeated material stick, sealed dish passes through screw fixed mounting in the one end of adapter sleeve.

Preferably, the material conveying rod is communicated with the placing pipe, a positioning block is arranged inside the radiant tube, and one end of the positioning block abuts against the burner tip.

Preferably, one end of the air inlet pipe is connected with an air source, and one end of the material conveying rod is connected with a fuel gas source.

Preferably, the inner wall of the radiant tube is provided with annular hoops, and the annular hoops are uniformly arranged along the inner wall of the radiant tube.

Compared with the prior art, the utility model has the beneficial effects that: according to the elbow type radiant tube structure, air enters the burner through the air through holes in the limiting block, the inner hole of the burner can be blown, coke powder attached to the inner hole can be blown into the radiant tube and discharged, and the coke powder is separated from the burner to ensure good combustion; the connecting sleeve and the end part of the radiant tube which are arranged are positioned on the same axis, so that the burner tip is convenient to position, after the material conveying rod is detached, the collision of the limiting block is lost, and the burner tip can be pulled outwards to replace and clean the burner tip.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view showing the construction of a burner tip and a feed delivery rod and their components according to the present invention;

FIG. 3 is a schematic view of a burner tip according to the present invention.

In the figure: 10. a mounting seat; 11. a radiant tube; 12. an annular band; 13. a burner tip; 14. an inner bore; 15. limiting concave holes; 17. connecting sleeves; 18. an air inlet pipe; 19. sealing the disc; 20. a screw; 21. a material conveying rod; 22. placing the tube in; 23. a limiting block; 24. a vent hole; 25. a gas outlet; 26. and (5) positioning the blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a bent-head type radiant tube structure comprises a mounting seat 10, a radiant tube 11 is fixedly mounted on the mounting seat 10, a connecting sleeve 17 is arranged on the radiant tube 11, an air inlet tube 18 is arranged on the connecting sleeve 17, air can be injected into the connecting sleeve 17 through the air inlet tube 18, the injected air enters the radiant tube 11, a burner 13 is arranged inside the radiant tube 11, the location of gas burning is located when the burner 13 burns, a material conveying rod 21 is arranged at one end of the connecting sleeve 17, the material conveying rod 21 is of a hollow structure and can be used for conveying gas, a sealing assembly for sealing the connecting sleeve 17 is arranged on the material conveying rod 21, the connecting sleeve 17 is used for disassembling the burner 13, a reserved access can be sealed through the sealing assembly, an inserting tube 22 is arranged at one end of the material conveying rod 21, one end of the inserting tube 22 is inserted into the burner 13, a self-locking assembly for fixing the burner 13 is arranged on the inserting tube 22, insert in burner tip 13 through putting into pipe 22, put into the interior exhaust gas of pipe 22 and can burn, through the setting of auto-lock subassembly, can fix burner tip 13 when putting into pipe 22 and insert burner tip 13, guaranteed stability.

Referring to fig. 1, the inner diameter of the connection sleeve 17 is larger than the inner diameter of the radiant tube 11, and the connection sleeve 17 is communicated with one end of the radiant tube 11 to provide sufficient operating space to ensure that the burner tip 13 can be smoothly taken out of the connection sleeve 17.

Please refer to fig. 1 and 2, an inner hole 14 is opened on the inner side of the burner tip 13, a limiting concave hole 15 is provided on the inner side of one end of the burner tip 13, the self-locking component includes a limiting block 23, a vent hole 24 is provided on the limiting block 23, the vent hole 24 faces the inside of the burner tip 13 through the vent hole 24, the air in the connecting sleeve 17 passes through the vent hole 24, the air enters the burner tip 13 through the vent hole on the limiting block 23, the inner hole 14 of the burner tip 13 can be blown, the coke powder attached to the inner hole 14 can be blown into the radiant tube 11 and discharged, and the coke powder is separated from the burner tip 13 to ensure the good combustion.

Referring to fig. 1 and 2, the limiting block 23 is matched with the limiting concave hole 15, the limiting block 23 is embedded in the limiting concave hole 15 in a clamping manner, the limiting block 23 abuts against the limiting concave hole 15 to enable the burner tip 13 to move rightwards, the conveying rod 21 is communicated with the embedded pipe 22, the positioning block 26 is arranged inside the radiant tube 11, one end of the positioning block 26 abuts against the burner tip 13, and the positioning block 26 is limited at the right burner tip 13 to enable the positioning block to be fixed in the radiant tube 11.

Referring to fig. 1, one end of the insertion tube 22 is provided with a plurality of gas outlets 25, the plurality of gas outlets 25 are uniformly distributed on the insertion tube 22, the gas outlets 25 are used for discharging gas, and the gas is combusted in the burner 13 to continuously generate heat.

Referring to fig. 1 and 2, the sealing assembly includes a sealing disc 19, the sealing disc 19 is fixedly sleeved outside a material conveying rod 21, the sealing disc 19 is fixedly installed at one end of a connecting sleeve 17 through a screw 20, one end of an air inlet pipe 18 is connected with an air source, one end of the material conveying rod 21 is connected with a gas source, an annular hoop 12 is arranged on the inner wall of the radiant tube 11, the annular hoop 12 is uniformly arranged along the inner wall of the radiant tube 11, the material conveying rod 21 can be pulled out by detaching the screw 20, and an insertion pipe 22 and a limiting block 23 can be separated from a burner 13, the interference of the limiting block 23 is lost, and the limitation of the sealing disc 19 is limited, so that the burner 13 can be fully exposed and can be conveniently taken out.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An elbow type radiant tube structure, includes mount pad (10), its characterized in that: fixed mounting has radiant tube (11) on mount pad (10), be provided with adapter sleeve (17) on radiant tube (11), be provided with air admission pipe (18) on adapter sleeve (17), the inside of radiant tube (11) is provided with burner tip (13), the one end of adapter sleeve (17) is provided with fuel rod (21), be provided with on fuel rod (21) and carry out the seal assembly of shutoff to adapter sleeve (17), fuel rod (21) one end is provided with puts into pipe (22), the one end of putting into pipe (22) is inserted in burner tip (13), it carries out the auto-lock subassembly of fixing to be provided with on pipe (22) to carry out burner tip (13).

2. The elbow-type radiant tube structure of claim 1, wherein: the inner diameter of the connecting sleeve (17) is larger than that of the radiant tube (11), and the connecting sleeve (17) is communicated with one end of the radiant tube (11).

3. The elbow-type radiant tube structure of claim 1, wherein: hole (14) have been seted up to the inboard of burner tip (13), the one end inboard of burner tip (13) is provided with spacing shrinkage pool (15), the auto-lock subassembly is including stopper (23), be provided with air vent (24) on stopper (23).

4. The elbow-type radiant tube structure of claim 3, wherein: the limiting block (23) is matched with the limiting concave hole (15), and the limiting block (23) is embedded in the limiting concave hole (15).

5. The elbow-type radiant tube structure of claim 1, wherein: put into the one end of pipe (22) and be provided with gas export (25), the quantity of gas export (25) is provided with a plurality of, a plurality of gas export (25) evenly distributed is on putting into pipe (22).

6. The elbow-type radiant tube structure of claim 1, wherein: the sealing assembly comprises a sealing disc (19), the sealing disc (19) is fixedly sleeved outside the material conveying rod (21), and the sealing disc (19) is fixedly installed at one end of the connecting sleeve (17) through a screw (20).

7. The elbow-type radiant tube structure of claim 1, wherein: the feeding rod (21) is communicated with the placing pipe (22), a positioning block (26) is arranged inside the radiant tube (11), and one end of the positioning block (26) abuts against the burner tip (13).

8. The elbow-type radiant tube structure of claim 1, wherein: one end of the air inlet pipe (18) is connected with an air source, and one end of the material conveying rod (21) is connected with a fuel gas source.

9. The elbow-type radiant tube structure of claim 1, wherein: the inner wall of the radiant tube (11) is provided with an annular hoop (12), and the annular hoops (12) are uniformly arranged along the inner wall of the radiant tube (11).