CN211060110U

CN211060110U - Adjustable gas burner

Info

Publication number: CN211060110U
Application number: CN201921867783.8U
Authority: CN
Inventors: 朱斌; 毛小良
Original assignee: Zhejiang Baite Burners Manufacture Co ltd
Current assignee: Zhejiang Baite Burners Manufacture Co ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-07-21
Anticipated expiration: 2029-10-31

Abstract

The utility model relates to the technical field of burners, and aims to provide an adjustable gas burner, which comprises a combustion cylinder, an air inlet device, a gas valve group, a plurality of gas pipes arranged in the combustion cylinder and connected with the gas valve group, and an ignition device used for igniting gas; a combustion port is arranged at one end of the combustion cylinder, and a gas outlet is arranged on the side wall of one end of the gas pipe close to the combustion port; the gas transmission pipe comprises a fixed pipe connected to the gas valve group and a movable pipe movably connected to one end of the fixed pipe, which faces the combustion port, along the same axial lead; the gas outlet is arranged on the side wall of the movable pipe, so that gas can be sprayed out from the end part of the rotating pipe along the radial direction, the movable pipe can relatively slide along the length direction of the fixed pipe and can rotate along the axial lead of the fixed pipe, the spraying direction and distance of the gas can be changed, and the adjustment of factors such as flame combustion area, range, combustion temperature and the like is realized.

Description

Adjustable gas burner

Technical Field

The utility model relates to a combustor technical field, in particular to gas burner with adjustable.

Background

The burner is a general term for a device for ejecting fuel and air in a certain manner to perform mixed combustion. The burners are classified into industrial burners, civil burners and special burners according to types and application fields.

At present, chinese patent document with an authorization and bulletin number of CN207407340U in the prior art discloses a low-nitrogen burner, which comprises a combustion cylinder with an axial through, wherein a gas pipe is fixedly connected in the combustion cylinder, a combustion plate is fixedly connected to the upper end of the gas pipe, through circulation holes are uniformly distributed on the combustion plate, a plurality of horizontal jet pipes are fixedly connected to the combustion plate, the inner ends of the jet pipes are communicated with the gas pipe, the outer end of the gas pipe is communicated with the combustion cylinder, impellers are arranged on the inner side of the lower end of the gas pipe, and the impellers comprise a plurality of obliquely arranged blades. The low-nitrogen combustor has the advantages of simple structure and high combustion efficiency.

In the combustor in the above patent document, the arrangement of the impeller causes the air introduced into the combustion cylinder to circulate in a swirling manner, so that the flame is spirally diffused; however, the impeller is difficult to remove and replace, resulting in the inability to change the angle or extent of the flame for different combustion needs.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a gas burner with adjustable has the effect that can adjust flame burning angle or scope.

The above technical purpose of the present invention can be achieved by the following technical solutions:

an adjustable gas burner comprises a combustion cylinder, an air inlet device and a gas valve group which are arranged at one end of the combustion cylinder, a plurality of gas pipes which are arranged in the combustion cylinder and connected with the gas valve group, and an ignition device for igniting gas; a combustion port is formed in one end, far away from the gas valve group, of the combustion barrel, and a gas outlet is formed in one end, close to the combustion port, of the gas pipe; the gas transmission pipe comprises a fixed pipe connected to the gas valve group and a movable pipe movably connected to one end of the fixed pipe, which faces the combustion port, along the same axial lead; the movable pipe can relatively slide along the length direction of the fixed pipe and can rotate along the axial lead of the fixed pipe; the gas outlet is arranged on the side wall of the end part of the movable pipe; the fixed pipe is provided with a fixing device used for fixing the movable pipe and the fixed pipe relatively.

By adopting the technical scheme, the gas outlet is arranged on the side wall of the movable pipe, so that the gas can be sprayed out from the end part of the rotating pipe along the radial direction, the movable pipe can relatively slide along the length direction of the fixed pipe and can rotate along the axial lead of the fixed pipe, the spraying direction and distance of the gas can be changed, and the adjustment of factors such as flame combustion area, range, combustion temperature and the like can be realized; and then the movable pipe and the fixed pipe are relatively fixed by utilizing the fixing device, so that the movable pipe is prevented from deflecting under the action force of the flowing gas.

The utility model discloses further set up to: the inner diameter of the fixed pipe is larger than the outer diameter of the movable pipe, and one end of the movable pipe movably penetrates through the opening of the fixed pipe along the same axial lead; the fixing device comprises a fixing ring sleeved outside the opening end of the fixing pipe, a fixing hole is formed in the fixing ring, and a fixing bolt is connected in the fixing hole in a threaded manner; the fixed pipe is provided with a positioning hole at a position corresponding to the fixed hole, and one end of the fixed bolt can penetrate through the positioning hole and abut against the surface of the movable pipe.

By adopting the technical scheme, the fixing bolt is screwed into the positioning hole through the fixing hole, so that the fixing between the fixing ring and the fixing pipe can be realized; and continue screw in fixing bolt, along with the extrusion laminating between solid fixed ring and the fixed pipe, fixing bolt's tip can push up on the activity pipe surface to make the inner wall of activity pipe and fixed pipe extrude each other, thereby realize the relatively fixed between fixed pipe and the activity pipe.

The utility model discloses further set up to: a circle of deformation gap is formed between the fixing ring and the fixing pipe; the fixing ring is made of spring steel.

Through adopting above-mentioned technical scheme, utilize the elasticity of deformation space and spring steel to produce buffering effect to fixing bolt's tightening, avoid fixing bolt to cause the damage to the surface of activity pipe because it has been screwed up too tightly.

The utility model discloses further set up to: the movable pipe is provided with a sealing device for plugging a gap between the fixed pipe and the movable pipe; the sealing device comprises an extrusion ring which is connected to the outer side of the movable pipe in a sliding mode, and a sealing ring which is sleeved on the movable pipe and located between the fixed pipe and the extrusion ring, wherein the sealing ring is made of high-temperature-resistant rubber.

Through adopting above-mentioned technical scheme, utilize the extrusion ring to promote the sealing washer towards fixed pipe direction to extrude the sealing washer on the tip of fixed pipe, thereby utilize the deformation of sealing washer will fix the gap shutoff between pipe and the movable tube.

The utility model discloses further set up to: the sealing ring is an O-shaped ring; and a circle of extrusion chamfer is arranged on the inner side of one end, facing the fixed pipe, of the extrusion ring.

Through adopting above-mentioned technical scheme, after the sealing washer supported the tip at fixed pipe, continue to extrude the sealing washer towards fixed pipe orientation through the extrusion ring, utilize the inclined plane extrusion sealing washer's of extrusion chamfer outer wall to make the sealing washer take place deformation towards the inboard, with the gap shutoff between fixed pipe and the movable tube, strengthen sealed effect.

The utility model discloses further set up to: one end of the fixed ring, which faces the movable pipe, is provided with a fixed sleeve extending towards the direction of the extrusion ring, and the inner diameter of the fixed sleeve is larger than the outer diameter of the extrusion ring; the inner wall of the fixed sleeve is provided with internal threads, and the outer wall of the extrusion ring is provided with external threads matched with the internal threads.

Through adopting above-mentioned technical scheme, utilize external screw thread and internal thread of mutually supporting, turn into the rotation of extrusion ring and be close to towards fixed pipe orientation to utilize the sealing washer to realize sealed.

The utility model discloses further set up to: the side wall of one end, far away from the fixing ring, of the extrusion ring is provided with an annular operation edge, and the operation edge is provided with an anti-slip block.

Through adopting above-mentioned technical scheme, utilize operation limit and non slipping spur to be convenient for operating personnel to rotate the extrusion ring.

The utility model discloses further set up to: the gas transmission pipes are uniformly distributed on the inner side of the combustion cylinder along the circumferential direction of the combustion cylinder.

Through adopting above-mentioned technical scheme for gas-supply pipe spun gas can evenly distributed, thereby makes spun flame towards central direction gathering and diffusion, or be the heliciform blowout, satisfies the burning demand of different situation.

To sum up, the beneficial effects of the utility model are that:

1. the gas outlet is arranged on the side wall of the movable pipe, so that gas can be sprayed out from the end part of the rotating pipe along the radial direction, the movable pipe can relatively slide along the length direction of the fixed pipe and can rotate along the axial lead of the fixed pipe, the spraying direction and distance of the gas can be changed, and the adjustment of factors such as flame combustion area, range, combustion temperature and the like can be realized; the movable pipe and the fixed pipe are relatively fixed by using the fixing device, so that the movable pipe is prevented from deflecting under the action of flowing gas;

2. after the sealing washer supported the tip at fixed pipe, continue to extrude the sealing washer towards fixed pipe orientation through the extrusion ring, utilize the inclined plane extrusion sealing washer of extrusion chamfer outer wall to make the sealing washer take place deformation towards the inboard, will fix the gap shutoff between pipe and the movable tube, strengthen sealed effect.

Drawings

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

FIG. 2 is a schematic structural view of a gas valve set and a gas pipe of the present invention;

FIG. 3 is an exploded view of the gas pipe, the fixing device and the sealing device of the present invention;

FIG. 4 is a schematic sectional view of the gas pipe, the fixing device and the sealing device of the present invention.

Reference numerals: 1. a combustion can; 11. a burner port; 2. an air intake device; 3. a gas valve group; 4. a gas delivery pipe; 41. a fixed tube; 411. positioning holes; 42. a movable tube; 421. a gas outlet; 5. an ignition device; 6. a fixing device; 61. a fixing ring; 611. a fixing hole; 612. a deformation gap; 613. fixing a sleeve; 62. fixing the bolt; 7. a sealing device; 71. an extrusion ring; 711. extruding and chamfering; 712. operating edges; 7121. anti-skid blocks; 72. and (5) sealing rings.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiment discloses a gas burner with adjustable, as shown in fig. 1, 2, including a combustion tube 1, the one end of combustion tube 1 is equipped with the burner port 11 that is used for spraying flame, and the other end of combustion tube 1 is connected with hot blast blowpipe apparatus 2 and gas valves 3. The gas valve group 3 is connected with a main pipe in the combustion cylinder 1, the main pipe is branched and connected with a plurality of gas pipes 4, all the gas pipes 4 extend along the axial lead direction of the combustion cylinder 1 and are uniformly distributed on the inner side of the combustion cylinder 1 along the circumferential direction of the combustion cylinder 1, and the end parts of the gas pipes 4 are provided with gas outlets 421; and an ignition device 5 for igniting gas is arranged on the gas valve group 3 and at the inner side of all the gas transmission pipes 4.

As shown in fig. 2 and 3, the gas pipe 4 includes a fixed pipe 41 connected to the main pipe, and a movable pipe 42 movably connected to the fixed pipe 41 along the same axial line and facing one end of the burner 11; the gas outlet 421 is opened on the side wall of the end of the movable pipe 42, so that the gas can be ejected from the end of the movable pipe 42 along the radial direction; the inner diameter of the fixed pipe 41 is slightly larger than the outer diameter of the movable pipe 42, one end of the movable pipe 42 movably penetrates through the opening of the fixed pipe 41 along the same axial lead, so that the movable pipe 42 can relatively slide along the length direction of the fixed pipe 41 and can rotate along the axial lead of the fixed pipe 41, the spraying direction and distance of fuel gas can be changed, adjustment of factors such as flame combustion area, flame combustion range and flame combustion temperature is achieved, and combustion requirements of different conditions are met.

As shown in fig. 2 and 3, the fixed pipe 41 is provided with a fixing device 6 for fixing the fixed pipe 41 and the movable pipe 42 relative to each other, and the fixing device 6 includes a fixing ring 61 and a fixing bolt 62. Wherein, the fixing ring 61 is sleeved outside the opening end of the fixing pipe 41, the fixing ring 61 is provided with a fixing hole 611, and the fixing bolt 62 is screwed in the fixing hole 611; the fixed pipe 41 is provided with a positioning hole 411 at a position corresponding to the fixing hole 611, and one end of the fixing bolt 62 can pass through the positioning hole 411 and abut against the surface of the movable pipe 42. The fixing bolt 62 is screwed into the positioning hole 411 through the fixing hole 611, so that the fixing between the fixing ring 61 and the fixing tube 41 can be realized; and the fixing bolt 62 is continuously screwed in, along with the extrusion and the attachment between the fixing ring 61 and the fixing tube 41, the end part of the fixing bolt 62 is pressed against the surface of the movable tube 42, and the inner walls of the movable tube 42 and the fixing tube 41 are mutually extruded, so that the relative fixation between the fixing tube 41 and the movable tube 42 is realized, and the movable tube 42 is prevented from deflecting under the action force of the flowing gas.

As shown in fig. 3 and 4, the fixing ring 61 is made of spring steel, and the inner diameter of the fixing ring 61 is larger than the outer diameter of the fixing tube 41, so that a ring of deformation space 612 is formed therebetween. The deformation gap 612 and the elastic force of the spring steel can generate a buffering effect on the tightening of the fixing bolt 62, and the surface of the movable tube 42 is prevented from being damaged by the over-tightening of the fixing bolt 62.

As shown in fig. 3 and 4, the movable tube 42 is provided with a sealing device 7 for sealing a gap between the fixed tube 41 and the movable tube 42, and the sealing device 7 includes a pressing ring 71 and a sealing ring 72. Wherein, the extrusion ring 71 is connected with the outer side of the movable tube 42 in a sliding way; the sealing ring 72 is an O-ring made of high temperature resistant rubber, and the sealing ring 72 is sleeved on the movable tube 42 and located between the fixed tube 41 and the extrusion ring 71. The sealing ring 72 can be pushed towards the direction of the fixed pipe 41 by the extrusion ring 71, the sealing ring 72 is extruded on the end part of the fixed pipe 41, the inner side of one end, facing the fixed pipe 41, of the extrusion ring 71 is provided with a circle of extrusion chamfers 711, after the sealing ring 72 is abutted against the end part of the fixed pipe 41, the sealing ring 72 is continuously extruded towards the direction of the fixed pipe 41 by the extrusion ring 71, the outer wall of the sealing ring 72 can be extruded by the inclined surface of the extrusion chamfers 711, the sealing ring 72 is deformed towards the inner side, a gap between the fixed pipe 41 and the movable pipe 42 is sealed, the sealing effect is realized, and gas leakage is prevented.

As shown in fig. 3 and 4, an annular fixing sleeve 613 extending toward the extrusion ring 71 is welded to one end of the fixing ring 61 facing the movable tube 42, and the inner diameter of the fixing sleeve 613 is larger than the outer diameter of the extrusion ring 71; the inner wall of the fixing sleeve 613 is provided with an internal thread, the outer wall of the extrusion ring 71 is provided with an external thread matched with the internal thread, and the rotation of the extrusion ring 71 can be converted into approaching towards the direction of the fixed pipe 41 by utilizing the external thread and the internal thread which are matched with each other, so that sealing is realized by utilizing the sealing ring 72. And the lateral wall of one end of the extrusion ring 71 far away from the fixed ring 61 is welded with an annular operation edge 712, and a plurality of anti-slip blocks 7121 are uniformly arranged on the operation edge 712 along the circumferential direction, so that an operator can conveniently rotate the extrusion ring 71.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. An adjustable gas burner comprises a combustion cylinder (1), an air inlet device (2) and a gas valve group (3) which are arranged at one end of the combustion cylinder (1), a plurality of gas pipes (4) which are arranged in the combustion cylinder (1) and connected with the gas valve group (3), and an ignition device (5) for igniting gas; a combustion port (11) is formed in one end, far away from the gas valve group (3), of the combustion barrel (1), and a gas outlet (421) is formed in one end, close to the combustion port (11), of the gas conveying pipe (4); the method is characterized in that: the gas conveying pipe (4) comprises a fixed pipe (41) connected to the gas valve group (3) and a movable pipe (42) movably connected to one end, facing the combustion port (11), of the fixed pipe (41) along the same axial lead; the movable pipe (42) can slide relatively along the length direction of the fixed pipe (41) and can rotate along the axial lead of the fixed pipe (41); the gas outlet (421) is arranged on the side wall of the end part of the movable pipe (42); the fixed pipe (41) is provided with a fixing device (6) used for fixing the movable pipe (42) and the fixed pipe (41) relatively.

2. The adjustable gas burner of claim 1, wherein: the inner diameter of the fixed pipe (41) is larger than the outer diameter of the movable pipe (42), and one end of the movable pipe (42) movably penetrates through the opening of the fixed pipe (41) along the same axial lead; the fixing device (6) comprises a fixing ring (61) sleeved outside the opening end of the fixing pipe (41), a fixing hole (611) is formed in the fixing ring (61), and a fixing bolt (62) is connected in the fixing hole (611) in a threaded mode; a positioning hole (411) is formed in the position, corresponding to the fixing hole (611), of the fixing pipe (41), and one end of the fixing bolt (62) can penetrate through the positioning hole (411) and abut against the surface of the movable pipe (42).

3. The adjustable gas burner of claim 2, wherein: a circle of deformation gap (612) is formed between the fixing ring (61) and the fixing pipe (41); the securing ring (61) is made of spring steel.

4. The adjustable gas burner of claim 2, wherein: the movable pipe (42) is provided with a sealing device (7) for plugging a gap between the fixed pipe (41) and the movable pipe (42); the sealing device (7) comprises an extrusion ring (71) which is connected to the outer side of the movable pipe (42) in a sliding mode, and a sealing ring (72) which is sleeved on the movable pipe (42) and located between the fixed pipe (41) and the extrusion ring (71), wherein the sealing ring (72) is made of high-temperature-resistant rubber.

5. The adjustable gas burner of claim 4, wherein: the sealing ring (72) is an O-shaped ring; and a circle of extrusion chamfer (711) is arranged on the inner side of one end, facing the fixed pipe (41), of the extrusion ring (71).

6. The adjustable gas burner of claim 4, wherein: one end of the fixed ring (61) facing the movable pipe (42) is provided with a fixed sleeve (613) extending towards the direction of the extrusion ring (71), and the inner diameter of the fixed sleeve (613) is larger than the outer diameter of the extrusion ring (71); the inner wall of the fixed sleeve (613) is provided with internal threads, and the outer wall of the extrusion ring (71) is provided with external threads matched with the internal threads.

7. The adjustable gas burner of claim 6, wherein: an annular operating edge (712) is arranged on the side wall of one end, away from the fixing ring (61), of the extrusion ring (71), and an anti-slip block (7121) is arranged on the operating edge (712).

8. The adjustable gas burner of claim 1, wherein: the gas transmission pipes (4) are uniformly distributed on the inner side of the combustion barrel (1) along the circumferential direction of the combustion barrel (1).