CN220205747U

CN220205747U - Combustor with adjustable air inlet flow

Info

Publication number: CN220205747U
Application number: CN202321802573.7U
Authority: CN
Inventors: 孙志英
Original assignee: Shanghai Zhicheng Thermal Equipment Co ltd
Current assignee: Shanghai Zhicheng Thermal Equipment Co ltd
Priority date: 2023-07-11
Filing date: 2023-07-11
Publication date: 2023-12-19
Anticipated expiration: 2033-07-11

Abstract

The utility model belongs to the field of combustors, and particularly relates to a combustor with an adjustable air inlet flow, which comprises a combustor main body, wherein an air inlet end is welded on the combustor main body, a fixed taper pipe is fixedly connected to the inner wall of the air inlet end, a fixed rod is fixedly connected to the inner wall of the air inlet end, a center block is fixedly connected to the fixed rod, an adjusting rod is installed in the center block through a bearing, a threaded sleeve is connected to the outer part of the adjusting rod through threads, an adjusting plug is fixedly connected to the bottom of the threaded sleeve, and a first bevel gear is fixedly connected to the top of the adjusting rod. According to the utility model, the taper pipe is arranged in the air inlet end of the burner main body, and then the adjusting rod which is driven by the bevel gears is arranged, and the position of the adjusting plug on the threaded sleeve can be adjusted by the adjusting rod through threaded fit, so that the purpose of adjusting the air inlet amount of the burner main body can be achieved by controlling the gap between the adjusting plug and the taper pipe, and the operation is simple and convenient.

Description

Combustor with adjustable air inlet flow

Technical Field

The utility model relates to the field of combustors, in particular to a combustor with adjustable air inlet flow.

Background

The burner is a device for ejecting and mixing fuel and air in a fixed manner. The burner is divided into industrial burner, civil burner and special burner according to the type and application field. For example, the utility model of the application publication number CN107477580A applies for patent, a low nitrogen burner that it proposes, it is a mechanical technical field. It has solved the comparatively complicated and lower problem of combustion efficiency of structure of current combustor. The low-nitrogen combustor comprises an axially-communicated combustion cylinder, wherein a gas pipe is fixedly connected in the combustion cylinder, an air pipe is fixedly connected in the gas pipe, a cavity of the air pipe is isolated from a cavity of the gas pipe, the lower end of the air pipe is communicated with the lower end of the combustion cylinder, the upper end of the gas pipe is fixedly connected with a combustion plate, through holes are uniformly distributed in the combustion plate, a plurality of horizontally-arranged gas spraying pipes are fixedly connected on the combustion plate, the inner ends of the gas spraying pipes are communicated with the gas pipe, the outer end of the gas pipe is communicated with the combustion cylinder, and impellers are arranged on the inner sides of the lower ends of the gas pipe and comprise blades which are obliquely arranged.

The air inlet end pipe diameter of the existing burner is fixed, and the air inlet amount of the burner is inconvenient to adjust under the rated power condition of a fan, so that the flame size is influenced. Therefore, improvements are needed.

Disclosure of Invention

The utility model aims to provide a combustor with adjustable air inlet flow, which solves the problems that the air inlet end pipe diameter of the existing combustor is fixed, the air inlet amount of the combustor is inconvenient to adjust under the rated power condition of a fan, and the flame size is influenced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an air inlet flow adjustable combustor, includes the combustor main part, the welding has the inlet end in the combustor main part, the inner wall fixedly connected with fixed taper pipe of inlet end, the inner wall fixedly connected with dead lever of inlet end, fixedly connected with center piece on the dead lever, install the regulation pole through the bearing in the center piece, the outside of adjusting the pole is through threaded connection having the thread bush, the bottom fixedly connected with of thread bush adjusts the stopper, the top fixedly connected with first bevel gear of regulation pole, the pivot is installed through the bearing to the lateral wall of inlet end, fixedly connected with second bevel gear in the pivot, second bevel gear and first bevel gear meshing.

Preferably, the rotary shaft is fixedly connected with a knob, and the knob is made of stainless steel. Through the setting of knob, the pivot of being convenient for rotates.

Preferably, the center block is fixedly connected with a guide rod, the outside of the guide rod is sleeved with a guide sleeve in a sliding manner, and the guide sleeve is fixedly connected with the adjusting plug. Through the setting of guide bar and uide bushing, have the guide effect to the removal of regulation stopper.

Preferably, the central block is fixedly connected with a corrugated sleeve, and the corrugated sleeve is fixedly connected with the adjusting plug. Through the setting of ripple cover, there is certain guard action between adjusting lever and screw thread cover.

Preferably, the outside fixedly connected with fixed shell of pivot, the outside slip of fixed shell has cup jointed the movable shell, movable shell and pivot sliding connection, the movable shell is contradicted with the internal surface of inlet end. Through the setting of movable shell, have the sealed effect to a certain extent to the junction of pivot and inlet end.

Preferably, a spring is fixedly connected to the inner side of the fixed shell, and the other end of the spring is fixedly connected with the movable shell. Through the arrangement of the spring, the elastic force can act on the movable shell, so that the movable shell is always in contact with the inner wall of the air inlet end.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the taper pipe is arranged in the air inlet end of the burner main body, and then the adjusting rod which is driven by the bevel gears is arranged, and the position of the adjusting plug on the threaded sleeve can be adjusted by the adjusting rod through threaded fit, so that the purpose of adjusting the air inlet amount of the burner main body can be achieved by controlling the gap between the adjusting plug and the taper pipe, and the operation is simple and convenient.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a front cross-sectional view of FIG. 1 of the present utility model;

fig. 3 is an enlarged view of the structure of the portion a of fig. 2 according to the present utility model.

In the figure: 1. a burner body; 2. an air inlet end; 3. a taper pipe; 4. a fixed rod; 5. a center block; 6. an adjusting rod; 7. a thread sleeve; 8. an adjusting plug; 9. a first bevel gear; 10. a rotating shaft; 11. a second bevel gear; 12. a guide rod; 13. a guide sleeve; 14. a corrugated sleeve; 15. a fixed case; 16. a movable case; 17. a spring; 18. and (5) a knob.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, an air intake flow adjustable burner comprises a burner main body 1, the application patent of the utility model with the reference of CN107477580a can be referred to as a comparison document in the using method of the burner main body 1, which belongs to the prior art, an air intake end 2 is welded on the burner main body 1, the inner wall of the air intake end 2 is fixedly connected with a fixed taper pipe 3, the inner wall of the air intake end 2 is fixedly connected with a fixed rod 4, a center block 5 is fixedly connected on the fixed rod 4, an adjusting rod 6 is installed in the center block 5 through a bearing, a threaded sleeve 7 is connected on the outer part of the adjusting rod 6 through threads, an adjusting plug 8 is fixedly connected on the bottom of the threaded sleeve 7, a first bevel gear 9 is fixedly connected on the top of the adjusting rod 6, a rotating shaft 10 is installed on the side wall of the air intake end 2 through a bearing, a knob 18 is fixedly connected on the rotating shaft 10, the knob 18 is made of stainless steel material, the rotating shaft 10 is facilitated through the arrangement of the knob 18, a second bevel gear 11 is fixedly connected on the rotating shaft 10, and the second bevel gear 11 is meshed with the first bevel gear 9.

Referring to fig. 3, a guide rod 12 is fixedly connected to the center block 5, a guide sleeve 13 is sleeved on the outer portion of the guide rod 12 in a sliding manner, and the guide sleeve 13 is fixedly connected with the adjusting plug 8. Through the setting of guide bar 12 and uide bushing 13, have the guide effect to the removal of adjusting plug 8, fixedly connected with ripple cover 14 on the center piece 5, ripple cover 14 and adjusting plug 8 fixed connection, through the setting of ripple cover 14, have certain guard action between adjusting bar 6 and screw sleeve 7.

Referring to fig. 3, a fixed housing 15 is fixedly connected to the outside of the rotary shaft 10, a movable housing 16 is slidably sleeved on the outside of the fixed housing 15, the movable housing 16 is slidably connected to the rotary shaft 10, and the movable housing 16 abuts against the inner surface of the air inlet end 2. Through the setting of movable shell 16, have the sealed effect to a certain extent to the junction of pivot 10 and inlet end 2, the inboard fixedly connected with spring 17 of fixed shell 15, the other end and the movable shell 16 fixed connection of spring 17, through the setting of spring 17, can be with elasticity effect on movable shell 16 for movable shell 16 remains contact with inlet end 2's inner wall all the time.

The specific implementation process of the utility model is as follows: when the burner is used, air is conveyed into the burner main body 1 through the fan and the air inlet end 2 and then mixed with fuel gas at the tail end of the burner main body 1 for combustion, and when the air enters the air inlet end 2, the air enters the burner main body 1 again through a gap between the adjusting plug 8 and the taper pipe 3, so that the rotary shaft 10 is driven to rotate by the rotary knob 18 only through the rotary knob 18, the rotary shaft 10 drives the second bevel gear 11 to rotate, the second bevel gear 11 can drive the adjusting rod 6 to rotate by being matched with the first bevel gear 9, the adjusting rod 6 drives the threaded sleeve 7 to vertically move through threaded movement, the threaded sleeve 7 controls the height position of the adjusting plug 8, and therefore the gap between the adjusting plug 8 and the taper pipe 3 is controlled, and the purpose of adjusting the air inlet quantity of the burner main body 1 can be achieved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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. The utility model provides an air inlet flow adjustable combustor, includes combustor main part (1), its characterized in that: the burner comprises a burner main body (1), wherein an air inlet end (2) is welded on the burner main body (1), a fixed taper pipe (3) is fixedly connected to the inner wall of the air inlet end (2), a fixed rod (4) is fixedly connected to the inner wall of the air inlet end (2), a center block (5) is fixedly connected to the fixed rod (4), an adjusting rod (6) is installed in the center block (5) through a bearing, a threaded sleeve (7) is connected to the outside of the adjusting rod (6) through threads, an adjusting plug (8) is fixedly connected to the bottom of the threaded sleeve (7), a first bevel gear (9) is fixedly connected to the top of the adjusting rod (6), a rotating shaft (10) is installed on the side wall of the air inlet end (2) through a bearing, a second bevel gear (11) is fixedly connected to the rotating shaft (10), and the second bevel gear (11) is meshed with the first bevel gear (9).

2. An air intake flow adjustable burner as claimed in claim 1, wherein: the rotary shaft (10) is fixedly connected with a knob (18), and the knob (18) is made of stainless steel.

3. An air intake flow adjustable burner as claimed in claim 1, wherein: the central block (5) is fixedly connected with a guide rod (12), a guide sleeve (13) is sleeved outside the guide rod (12) in a sliding manner, and the guide sleeve (13) is fixedly connected with the adjusting plug (8).

4. An air intake flow adjustable burner as claimed in claim 1, wherein: the central block (5) is fixedly connected with a corrugated sleeve (14), and the corrugated sleeve (14) is fixedly connected with the adjusting plug (8).

5. An air intake flow adjustable burner as claimed in claim 1, wherein: the outside fixedly connected with fixed shell (15) of pivot (10), the outside slip of fixed shell (15) has cup jointed movable shell (16), movable shell (16) and pivot (10) sliding connection, movable shell (16) are contradicted with the internal surface of inlet end (2).

6. An air intake flow adjustable burner as defined in claim 5, wherein: the inner side of the fixed shell (15) is fixedly connected with a spring (17), and the other end of the spring (17) is fixedly connected with the movable shell (16).