CN211232876U

CN211232876U - Burner flame-throwing tube and combustion device

Info

Publication number: CN211232876U
Application number: CN201921178107.XU
Authority: CN
Inventors: 杨君凯
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-08-11
Anticipated expiration: 2029-07-24

Abstract

The utility model discloses a nozzle flame projecting pipe and burner, nozzle flame projecting pipe, bobbin behind bobbin, flame projecting before the flame projecting, the bobbin before the flame projecting with bobbin threaded connection behind the flame projecting, be equipped with a plurality of cooling gas pockets, a plurality of behind the flame projecting on the bobbin be equipped with a plurality of cooling gas pocket around evenly arranging on the pipe wall of the bobbin behind the flame projecting. The burner flame-spraying pipe adopts a sectional design, so that the maintenance and installation of a combustion piece are facilitated, and the cost is saved.

Description

Burner flame-throwing tube and combustion device

Technical Field

The utility model relates to a gas equipment field especially relates to a nozzle flame projecting pipe and burner.

Background

The traditional burner flame projecting pipe is connected with an outer bobbin of the combustion device in an integrated forming mode, and then the combustion piece is installed on the burner flame projecting pipe, so that inconvenience is brought to maintenance of the combustion piece due to the connection mode.

Disclosure of Invention

An object of the utility model is to provide a nozzle flame projecting pipe and burner, this nozzle flame projecting pipe adopt the segmentation design, make things convenient for the maintenance and the installation of burning piece, practice thrift the cost.

The technical scheme is as follows:

the burner flame-throwing pipe comprises a flame-throwing front bobbin and a flame-throwing rear bobbin, wherein the flame-throwing front bobbin is in threaded connection with the flame-throwing rear bobbin, a plurality of cooling air holes are formed in the flame-throwing rear bobbin, and the plurality of cooling air holes are uniformly distributed on the pipe wall of the flame-throwing rear bobbin in a surrounding mode.

The outer side face of the rear end of the flame-throwing front bobbin is provided with a first external thread, the inner side face of the front end of the flame-throwing rear bobbin is provided with a first internal thread, and the flame-throwing front bobbin is in threaded connection with the first internal thread of the flame-throwing rear bobbin in a matching mode through the first external thread.

And a second external thread is arranged on the outer side surface of the rear end of the flame-sprayed bobbin.

The length of the post-flaming bobbin is greater than that of the pre-flaming bobbin.

The length of the post-flaming bobbin is 13cm to 15cm, and the length of the pre-flaming bobbin is 3.5cm to 5 cm; and the distance from the plurality of cooling air holes to the rear end of the post-flaming bobbin is 5 cm-7 cm.

The combustion device comprises an outer bobbin, an inner bobbin, a combustion piece and the burner flame-throwing tube, wherein the rear end of the post-flame-throwing bobbin is connected with the outer bobbin, the interiors of the pre-flame-throwing bobbin, the post-flame-throwing bobbin and the outer bobbin are hollow to form an air cavity, the combustion piece is installed on the inner side surface of the front end of the pre-flame-throwing bobbin and comprises a gas channel hole and an air channel hole, the air channel hole is communicated with the air cavity, and the inner bobbin penetrates through the air cavity to be communicated with the gas channel hole.

The inner side surface of the front end of the flame-throwing front bobbin is provided with a limiting convex ring, the rear end of the outer side surface of the combustion part is provided with an annular boss, the annular boss and the front end of the outer side surface of the combustion part form an annular rabbet, and the annular rabbet is matched, rabbet-jointed and connected with the limiting convex ring.

The outer bobbin is provided with an air inlet which is communicated with the air cavity, the inner bobbin is provided with a gas inlet, and the gas inlet is communicated with the gas channel hole through the inner bobbin.

The ignition device is two electrode rods, and the two electrode rods penetrate through the air cavity and are connected with the combustion piece.

The fixing part is integrally connected with the outer side face of the outer bobbin.

It should be noted that:

the foregoing "first and second" do not denote any particular quantity or order, but rather are used to distinguish one name from another.

The aforesaid "preceding" instruction position or positional relationship be based on the utility model discloses the one end of installation burning piece flame projecting when the product is used.

The orientation or positional relationship indicated by the foregoing "rear" is opposite to the orientation or positional relationship indicated by the foregoing "front".

The advantages or principles of the invention are explained below:

1. this nozzle flame projecting pipe includes bobbin before the flame projecting, bobbin behind the flame projecting, and bobbin threaded connection behind bobbin and the flame projecting before the flame projecting falls into two sections to nozzle flame projecting pipe, and the maintenance and the installation of the burning piece at this nozzle flame projecting pipe are conveniently installed, practice thrift the cost, and a plurality of cooling gas pockets on the bobbin behind the flame projecting improve the cooling efficiency of this nozzle flame projecting pipe, avoid nozzle flame projecting pipe overheated.

2. The barrel pipe before the flame is in threaded connection with the first internal thread of the barrel pipe after the flame is sprayed through the first external thread, so that the barrel pipe before the flame is sprayed and the barrel pipe after the flame is sprayed are more convenient to disassemble.

3. The second external thread is arranged at the rear end of the post-flaming bobbin, so that the post-flaming bobbin is conveniently connected with the external bobbin of the combustion device.

4. The length of the bobbin after flame spraying is larger than that of the bobbin before flame spraying, and the use is convenient.

5. Preferably, the length of the post-blasting bobbin is 13cm to 15cm, the length of the pre-blasting bobbin is 3.5cm to 5cm, and the distance from the plurality of cooling air holes to the rear end of the post-blasting bobbin is 5cm to 7cm, so that the cooling efficiency of the cooling air holes is improved.

6. The combustion device comprises an outer bobbin, an inner bobbin, a combustion piece and the burner flame-throwing tube, when the burner flame-throwing device is used, air is sprayed out from an air channel hole of the combustion piece along an air cavity formed by the outer bobbin, the post-flame-throwing bobbin and the pre-flame-throwing bobbin, gas is sprayed out from a gas channel hole of the combustion piece along the inner bobbin and is fully mixed and combusted with the air sprayed out from the air channel hole, the gas can be fully combusted, energy is saved, when the combustion piece needs to be maintained, the pre-flame-throwing bobbin is detached in a rotating mode by hand, the pre-flame-throwing bobbin is separated from the post-flame-throwing bobbin, and therefore the combustion piece is detached, maintenance of the combustion piece is facilitated, and cost is.

7. The arrangement of the limiting convex ring facilitates the limiting and positioning of the combustion piece when the combustion piece is installed on the flame-spraying front bobbin, the annular rabbet is matched, connected with the limiting convex ring, and the annular rabbet of the combustion piece is in high-precision rabbet-connection with the limiting convex ring at the front end of the flame-spraying front bobbin, so that the sealing and limiting of the combustion piece and the flame-spraying front bobbin are more accurate, the accurate installation of the combustion piece is facilitated, the annular boss of the combustion piece is connected with the inner side face of the flame-spraying front bobbin close to the limiting convex ring in a low-precision mode, and the disassembly of the combustion piece.

8. The air passes through air inlet and air cavity intercommunication, makes things convenient for the air to get into the air cavity and from the blowout of air passage hole, and the gas passes through gas air inlet and interior bobbin intercommunication, makes things convenient for the gas to follow the blowout of gas passage hole to with from the air passage hole spun air mixture, the burning is more abundant, does not become carbon.

9. When the device is used, the ignition device is started, sparks are generated through the two electrode rods, and fuel gas is ignited, so that the injected fuel gas and air are combusted.

10. The design of the fixing part can stably fix the combustion device.

Drawings

Fig. 1 is a schematic perspective view of a burner flame-throwing tube according to an embodiment of the present invention.

Fig. 2 is an exploded view of a burner flame tube according to an embodiment of the present invention.

Fig. 3 is a cross-sectional view of a burner flame-throwing tube according to an embodiment of the present invention.

Fig. 4 is a side view of a combustion apparatus according to an embodiment of the present invention.

Fig. 5 is a partial enlarged view of fig. 4-a.

Fig. 6 is a second side view of the combustion apparatus according to the embodiment of the present invention.

Fig. 7 is a schematic perspective view of a combustion element of a combustion apparatus according to an embodiment of the present invention.

Description of reference numerals:

10. the device comprises a pre-flaming bobbin 11, a first external thread 12, a limiting convex ring 20, a post-flaming bobbin 21, a cooling air hole 22, a first internal thread 23, a second external thread 30, an outer bobbin 31, an air inlet 40, an inner bobbin 41, a fuel gas inlet 50, a combustion piece 51, an annular boss 52, an annular rabbet 60, an electrode rod 70 and a fixing part.

Detailed Description

The following describes embodiments of the present invention in detail.

As shown in fig. 1 to 3, the burner flaming tube comprises a front flaming bobbin 10 and a rear flaming bobbin 20, the front flaming bobbin 10 is in threaded connection with the rear flaming bobbin 20, a plurality of cooling air holes 21 are formed in the rear flaming bobbin 20, and the plurality of cooling air holes 21 are uniformly arranged on the wall of the rear flaming bobbin 20 in a surrounding mode.

Divide into two sections to the nozzle flame projecting pipe, the maintenance and the installation of the burning piece 50 at this nozzle flame projecting pipe of convenient installation practice thrift the cost, and a plurality of cooling gas pocket 21 on the bobbin 20 after the flame projecting improve the cooling efficiency of this nozzle flame projecting pipe, avoid the nozzle flame projecting pipe overheated.

The outer side face of the rear end of the flame spraying front bobbin 10 is provided with a first external thread 11, the inner side face of the front end of the flame spraying rear bobbin 20 is provided with a first internal thread 22, and the flame spraying front bobbin 10 is in threaded connection with the first internal thread 22 of the flame spraying rear bobbin 20 through the first external thread 11. The disassembly of the pre-flaming bobbin 10 and the post-flaming bobbin 20 is facilitated.

And a second external thread 23 is arranged on the outer side surface of the rear end of the post-flaming bobbin 20. The second external thread 23 is arranged at the rear end of the post-flaming bobbin 20, so that the post-flaming bobbin 20 is conveniently connected with the outer bobbin 30 of the combustion device.

The length of the bobbin 20 after the flame-out is greater than the length of the bobbin 10 before the flame-out. Is convenient to use.

Preferably, the length of the bobbin 20 after the flaming is 13cm to 15cm, and the length of the bobbin 10 before the flaming is 3.5cm to 5 cm; the distance from the plurality of cooling air holes 21 to the rear end of the post-firing bobbin 20 is 5cm to 7 cm. The cooling efficiency of the cooling air hole 21 is improved.

As shown in fig. 4 to 7, the combustion apparatus includes an outer bobbin 30, an inner bobbin 40, a combustion member 50, and the burner blowout pipe, wherein the rear end of the post-blowout bobbin 20 is connected to the outer bobbin 30, the interiors of the pre-blowout bobbin 10, the post-blowout bobbin 20, and the outer bobbin 30 are hollow to form an air chamber, the combustion member 50 is mounted on the inner side surface of the front end of the pre-blowout bobbin 10, the combustion member 50 includes a gas passage hole and an air passage hole, the air passage hole is communicated with the air chamber, and the inner bobbin 40 is communicated with the gas passage hole through the air chamber.

When the burner is used, air is sprayed out from the air channel hole of the combustion part 50 along the air cavity formed by the outer bobbin 30, the post-flaming bobbin 20 and the pre-flaming bobbin 10, and gas is sprayed out from the gas channel hole of the combustion part 50 along the inner bobbin 40 and is fully mixed and combusted with the air sprayed out from the air channel hole, so that the gas can be fully combusted, the energy is saved, when the combustion part 50 needs to be maintained, the pre-flaming bobbin 10 is rotated by hands to be detached, the pre-flaming bobbin 10 is separated from the post-flaming bobbin 20, the combustion part 50 is detached, the maintenance of the combustion part 50 is facilitated, and the cost is saved.

Wherein, the outer bobbin 30 includes an air inlet 31, the air inlet 31 is communicated with the air cavity, the inner bobbin 40 includes a gas inlet 41, and the gas inlet 41 is communicated with the gas passage hole through the inner bobbin 40. The air passes through air inlet 31 and air cavity intercommunication, makes things convenient for the air to get into the air cavity and from the blowout of air passage hole, and the gas passes through gas air inlet 41 and interior bobbin 40 intercommunication, makes things convenient for the gas to follow the blowout of gas passage hole to with from the air mixing of air passage hole spun, the burning is more abundant, does not become carbon.

The inner side surface of the front end of the flame-throwing front bobbin 10 is provided with a limiting convex ring 12, the rear end along the outer side surface of the combustion piece 50 is provided with an annular boss 51, the annular boss 51 and the front end of the outer side surface of the combustion piece 50 form an annular rabbet 52, and the annular rabbet 52 is matched, rabbet-connected with the limiting convex ring 12. The arrangement of the limit convex ring 12 facilitates the limit and the location of the combustion part 50 when the combustion part is installed on the pre-flaming bobbin 10, the annular rabbet 52 of the combustion part 50 is in high-precision rabbet-joint connection with the limit convex ring 12 at the front end of the pre-flaming bobbin 10, so that the sealing limit of the combustion part 50 and the pre-flaming bobbin 10 is more accurate, the accurate installation of the combustion part 50 is facilitated, the annular boss 51 of the combustion part 50 is in low-precision connection with the inner side surface of the pre-flaming bobbin 10 close to the limit convex ring 12, and the disassembly of the combustion part 50 is facilitated.

The combustion device further comprises an ignition device and a fixing part 70, wherein the ignition device is two electrode rods 60, and the two electrode rods 60 penetrate through the air cavity and are connected with the combustion part 50. When in use, the ignition device is started, sparks are generated through the two electrode rods 60, and fuel gas is ignited, so that the injected fuel gas and air are combusted. The fixing portion 70 is integrally formed with the outer surface of the outer bobbin 30. The fixing portion 70 is designed to stably fix the combustion apparatus.

The above are only specific embodiments of the present invention, and the protection scope of the present invention is not limited thereby; any replacement and improvement made on the basis of not violating the conception of the utility model belong to the protection scope of the utility model.

Claims

1. The burner flame-throwing pipe is characterized by comprising a flame-throwing front bobbin and a flame-throwing rear bobbin, wherein the flame-throwing front bobbin is in threaded connection with the flame-throwing rear bobbin, and a plurality of cooling air holes are formed in the flame-throwing rear bobbin and are uniformly distributed on the pipe wall of the flame-throwing rear bobbin in a surrounding mode.

2. The burner fire hose of claim 1 wherein a first external thread is provided on an outer side of a rear end of the pre-fire-hose and a first internal thread is provided on an inner side of a front end of the post-fire-hose, the pre-fire-hose being threadedly coupled to the first internal thread of the post-fire-hose via the first external thread.

3. The burner flame of claim 1 wherein the outer side of the rearward end of the post-flame barrel is provided with a second external thread.

4. The burner flame of any of claims 1 to 3, wherein the length of the post-flame bobbin is greater than the length of the pre-flame bobbin.

5. The burner flame of claim 4, wherein the length of the post-flame bobbin is 13cm to 15cm and the length of the pre-flame bobbin is 3.5cm to 5 cm; and the distance from the plurality of cooling air holes to the rear end of the post-flaming bobbin is 5 cm-7 cm.

6. The combustion device is characterized by comprising an outer bobbin, an inner bobbin, a combustion piece and the burner fire-spraying pipe of any one of claims 1 to 5, wherein the rear end of the post-fire-spraying bobbin is connected with the outer bobbin, the interiors of the pre-fire-spraying bobbin, the post-fire-spraying bobbin and the outer bobbin are hollow to form an air cavity, the combustion piece is installed on the inner side surface of the front end of the pre-fire-spraying bobbin and comprises a gas passage hole and an air passage hole, the air passage hole is communicated with the air cavity, and the inner bobbin penetrates through the air cavity to be communicated with the gas passage hole.

7. The combustion device as claimed in claim 6, wherein the inner side surface of the front end of the flame-throwing front bobbin is provided with a limiting convex ring, the rear end of the outer side surface of the combustion piece is provided with an annular boss, the annular boss and the front end of the outer side surface of the combustion piece form an annular rabbet, and the annular rabbet is matched with the limiting convex ring for rabbet connection.

8. The combustion apparatus as claimed in claim 6, wherein the outer bobbin is provided with an air inlet port communicating with the air chamber, and the inner bobbin is provided with a gas inlet port communicating with the gas passage hole through the inner bobbin.

9. The burner apparatus of claim 6, further comprising an ignition means, said ignition means being two electrode rods, said two electrode rods being connected to said combustion member through said air chamber.

10. The combustion apparatus as claimed in any one of claims 6 to 9, further comprising a fixing portion integrally connected with an outer side surface of the outer bobbin.