CN215808455U

CN215808455U - Nozzle structure of low-nitrogen combustor

Info

Publication number: CN215808455U
Application number: CN202122198220.8U
Authority: CN
Inventors: 韩延学; 王露欣; 韩鹏飞
Original assignee: Hebei Weiyena Technology Co ltd
Current assignee: Hebei Weiyena Technology Co ltd
Priority date: 2021-09-11
Filing date: 2021-09-11
Publication date: 2022-02-11
Anticipated expiration: 2031-09-11

Abstract

The utility model relates to the technical field of low-nitrogen combustors, and provides a nozzle structure of a low-nitrogen combustor, which comprises a bottom plate, wherein a vertical plate is fixedly connected to the middle of the upper end surface of the bottom plate, a combustion-supporting fan is arranged on the right side of the upper end surface of the bottom plate, an air outlet pipe is fixedly connected to the left end surface of the vertical plate through a fixing mechanism, a fuel tank is fixedly connected to the upper part of the left end surface of the vertical plate, a supercharging mechanism is arranged on the lower end surface of the fuel tank, and an igniter is fixedly connected to the middle of the inner cavity of the air outlet pipe. Through above-mentioned technical scheme, the nozzle of having solved current low NOx burner does not have and can adjusts the gear according to the in service behavior to the problem of the function of the burning condition is controlled to control fuel injection quantity.

Description

Nozzle structure of low-nitrogen combustor

Technical Field

The utility model relates to the technical field of low-nitrogen combustors, in particular to a nozzle structure of a low-nitrogen combustor.

Background

As is well known, a multi-stage combustion nozzle structure for a low-nitrogen burner is an auxiliary device having a multi-stage adjustment function for performing injection combustion, which is widely used in the field of industrial production; in industrial processes, sustainable combustion is required for certain process steps requiring a fuel injection, usually by means of nozzles.

The existing nozzle for the low-nitrogen combustor does not have the function of adjusting gears according to the use condition to control the fuel injection quantity to control the combustion condition, so that the practicability is low. Accordingly, the present application proposes a nozzle structure of a low-nitrogen combustor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a nozzle structure of a low-nitrogen combustor, which solves the problem that the nozzle of the existing low-nitrogen combustor does not have the function of adjusting gears according to the use condition so as to control the combustion condition by controlling the fuel injection quantity.

The technical scheme of the utility model is as follows:

the air outlet pipe comprises a base plate, base plate up end middle part fixedly connected with riser, base plate up end right side is provided with combustion fan, the riser left end face passes through fixed establishment fixedly connected with air outlet pipe, riser left end face upper portion fixedly connected with fuel cell, the terminal surface is provided with booster mechanism under the fuel cell, air outlet pipe inner chamber middle part fixedly connected with point firearm.

Preferably, the air inlet pipe is fixedly connected to the right end face of the vertical plate, the combustion fan is fixedly connected with the base plate through the base, and the air outlet end of the combustion fan is communicated with the air outlet pipe through the air inlet pipe.

Preferably, the outer side of the upper end face of the bottom plate is provided with 4 mounting holes.

Preferably, the fixing mechanism comprises a fixing ring, a fixing bolt and a fixing nut, the fixing ring is fixedly connected with the air outlet pipe, the fixing bolt is fixedly connected with the vertical plate, and the fixing bolt is fixed with the fixing nut; and the fixing bolt is in through connection with the fixing ring.

Preferably, booster mechanism includes protecting box, driving motor, pulley group, screw rod, swivel nut, spacing and piston plate, driving motor's output shaft end is connected with the screw rod through the pulley group transmission, screw rod and swivel nut threaded connection, swivel nut lateral wall fixedly connected with spacing, swivel nut right-hand member face fixedly connected with piston plate.

Preferably, the driving motor is fixedly connected with the fuel tank through the base, the screw rod is rotatably connected with the fuel tank, and the limiting frame and the piston plate are both in sliding connection with the fuel tank.

Preferably, it encircles to go out tuber pipe lateral wall middle part fixedly connected with storage, it is provided with the storage compartment to go out the tuber pipe inner chamber, storage ring and storage compartment intercommunication, it has fuel injector to go out tuber pipe inside wall fixedly connected with, storage compartment and fuel injector intercommunication, discharging pipe and storage ring intercommunication are passed through on terminal surface right side under the fuel cell, the fuel cell up end is provided with the inlet pipe.

Preferably, air-out pipe left end face threaded connection has the air-out cover, fuel nozzle is provided with 6 altogether, the free end of some firearm set up in between the fuel nozzle, the terminal surface is provided with the observation window before the fuel tank, all be provided with solenoid valve on discharging pipe and the inlet pipe.

The working principle and the beneficial effects of the utility model are as follows:

1. when the utility model is used, the electromagnetic valve on the feeding pipe is closed, oxygen enters the air outlet pipe through the air inlet pipe by starting the combustion fan, fuel in the fuel tank enters the material storage ring and the material storage chamber through the material discharge pipe by opening the electromagnetic valve on the material discharge pipe, and then the atomized fuel is sprayed out by matching with the fuel nozzle, at the moment, the combustion of the fuel can be finished by starting the igniter, and the flame is sprayed out by matching with the combustion fan, when a user needs to increase the spraying range of the flame, the electromagnetic valve on the feeding pipe is closed, the screw rod rotates by matching with the belt pulley group by starting the driving motor, because the screw rod is in threaded connection with the screw sleeve, the screw sleeve is in sliding connection with the fuel tank through the limiting frame, so that the screw sleeve can move to the right side of the fuel tank, the piston plate is fixedly connected with the right end surface of the screw sleeve, so that the piston plate moves to the fuel tank, and further the available volume of the inner cavity is reduced, the pressure of the fuel is increased, so that when an electromagnetic valve on the discharging pipe is opened, the discharging speed of the fuel is accelerated, the air quantity of a combustion fan is increased to complete the function of increasing the spraying range of flame, the whole device realizes the function of adjusting gears according to the use condition to control the fuel injection quantity to control the combustion condition, the practicability of the whole device is improved, the flame can be sprayed out in a diffusion mode through the arrangement of the air outlet cover, the combustion area is increased, a user can visually observe the fuel capacity in the fuel tank through the arrangement of the observation window, the fuel is conveniently supplemented in time, the installation holes are formed in the outer side of the upper end face of the bottom plate, the user can conveniently fix the whole device, the safety of the whole device is ensured, and the butt joint of the user to the whole device is facilitated through the arrangement of the fixing mechanism, the use efficiency is improved.

Drawings

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

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

FIG. 2 is a rear view of the overall structure of the present invention;

FIG. 3 is a left side view of the overall structure of the present invention;

FIG. 4 is a schematic cross-sectional view of the pressurization mechanism of the present invention;

FIG. 5 is a schematic sectional view of the air outlet pipe according to the present invention;

in the figure: 1. a base plate; 11. mounting holes, 2 and vertical plates; 3. a combustion fan; 31. an air inlet pipe; 4. a fixing mechanism; 41. a fixing ring; 42. fixing the bolt; 43. fixing a nut; 5. an air outlet pipe; 51. a storage chamber; 52. a fuel nozzle; 53. an air outlet cover; 6. a fuel tank; 61. a discharge pipe; 62. a feed pipe; 63. an observation window; 7. a pressurization mechanism; 71. a protective box; 72. a drive motor; 73. a pulley set; 74. a screw; 75. a threaded sleeve; 76. a limiting frame; 77. a piston plate; 8. an igniter; 9. and a material storage ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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 inventive step, are intended to be within the scope of the present invention.

Example 1

As shown in fig. 1 to 5, the present embodiment provides a nozzle structure of a low-nitrogen burner, which includes a bottom plate 1, a vertical plate 2 is fixedly connected to the middle of the upper end surface of the bottom plate 1, a combustion fan 3 is disposed on the right side of the upper end surface of the bottom plate 1, an air outlet pipe 5 is fixedly connected to the left end surface of the vertical plate 2 through a fixing mechanism 4, a fuel tank 6 is fixedly connected to the upper portion of the left end surface of the vertical plate 2, a pressure boosting mechanism 7 is disposed on the lower end surface of the fuel tank 6, an igniter 8 is fixedly connected to the middle of the inner cavity of the air outlet pipe 5, an air inlet pipe 31 is fixedly connected to the right end surface of the vertical plate 2, the combustion fan 3 is fixedly connected to the bottom plate 1 through a base, an air outlet end of the combustion fan 3 is communicated with the air outlet pipe 5 through the air inlet pipe 31, mounting holes 11 are disposed on the outer side of the upper end surface of the bottom plate 1, 4 mounting holes 11 are disposed, the fixing mechanism 4 includes a fixing ring 41, a fixing bolt 42 and a fixing nut 43, the fixing ring 41 is fixedly connected to the air outlet pipe 5, the fixing bolt 42 is fixedly connected with the vertical plate 2, and the fixing bolt 42 and the fixing nut 43 are fixed; the screw thread is connected, the fixing bolt 42 is connected with the fixing ring 41 in a penetrating way, the supercharging mechanism 7 comprises a protective box 71, a driving motor 72, a belt pulley group 73, a screw rod 74, a screw sleeve 75, a limiting frame 76 and a piston plate 77, the output shaft end of the driving motor 72 is connected with the screw rod 74 through the belt pulley group 73 in a transmission way, the screw rod 74 is connected with the screw sleeve 75 in a threaded way, the outer side wall of the screw sleeve 75 is fixedly connected with the limiting frame 76, the right end face of the screw sleeve 75 is fixedly connected with the piston plate 77, the driving motor 72 is fixedly connected with the fuel tank 6 through a machine base, the screw rod 74 is rotatably connected with the fuel tank 6, the limiting frame 76 and the piston plate 77 are both connected with the fuel tank 6 in a sliding way, the middle part of the outer side wall of the air outlet pipe 5 is fixedly connected with a storage ring 9, the inner cavity of the air outlet pipe 5 is provided with a storage chamber 51, the storage ring 9 is communicated with the storage chamber 51, the inner side wall of the air outlet pipe 5 is fixedly connected with a fuel nozzle 52, the storage chamber 51 is communicated with the fuel nozzle 52, the right side of the lower end face of the fuel tank 6 is communicated with the material storage ring 9 through a discharge pipe 61, the upper end face of the fuel tank 6 is provided with a feed pipe 62, the left end face of the air outlet pipe 5 is in threaded connection with an air outlet cover 53, the number of the fuel nozzles 52 is 6, the free end of the igniter 8 is arranged between the fuel nozzles 52, the front end face of the fuel tank 6 is provided with an observation window 63, and the discharge pipe 61 and the feed pipe 62 are both provided with electromagnetic valves.

In this embodiment, when the fuel injection device is used, the electromagnetic valve on the feeding pipe 62 is closed, after oxygen enters the air outlet pipe 5 through the air inlet pipe 31 by starting the combustion fan 3, the fuel in the fuel tank 6 enters the storage ring 9 and the storage chamber 51 through the discharge pipe 61 by opening the electromagnetic valve on the discharge pipe 61, and then the fuel nozzle 52 is matched to spray mist fuel, at this time, the fuel can be combusted by starting the igniter 8, and then the flame is sprayed outwards through matching the combustion fan 3, when a user needs to increase the spraying range of the flame, the electromagnetic valve on the feeding pipe 62 is closed, the screw 74 is rotated by starting the driving motor 72 and matching the pulley set 73, because the screw 74 is in threaded connection with the threaded sleeve 75, the threaded sleeve 75 is in sliding connection with the fuel tank 6 through the limiting frame 76, so that the threaded sleeve 75 can move to the right side of the fuel tank 6, the piston plate 77 is fixedly connected to the right end face of the threaded sleeve 75, thereby the piston plate 77 is moved rightwards, and then the available volume of the inner cavity of the fuel tank 6 is reduced, the pressure of the fuel is increased, when the electromagnetic valve on the discharging pipe 61 is opened, the discharging speed of the fuel is accelerated, at the moment, the air quantity of the combustion fan 3 is increased, the function of increasing the spraying range of the flame can be completed, and then the whole device realizes the function of adjusting the gear according to the use condition to control the fuel spraying quantity to control the combustion condition, the practicability of the whole device is improved, the flame can be sprayed out in a diffusion mode through the arrangement of the air outlet cover 53, the combustion area is increased, through the arrangement of the observation window 63, the user can visually observe the fuel capacity in the fuel tank 6, the fuel can be supplemented in time, through the installation hole 11 arranged on the outer side of the upper end face of the bottom plate 1, the user can fix the whole device conveniently, the safety of the whole device is guaranteed, the fixing mechanism 4 is arranged, the butt joint of a user to the whole device is facilitated, and the using efficiency is improved.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a nozzle structure of low-nitrogen combustor, its characterized in that, includes bottom plate (1), bottom plate (1) up end middle part fixedly connected with riser (2), bottom plate (1) up end right side is provided with combustion fan (3), riser (2) left end face passes through fixed establishment (4) fixedly connected with and goes out tuber pipe (5), riser (2) left end face upper portion fixedly connected with fuel cell (6), the terminal surface is provided with booster mechanism (7) under fuel cell (6), it has some firearm (8) to go out tuber pipe (5) inner chamber middle part fixedly connected with.

2. The nozzle structure of a low-nitrogen burner according to claim 1, characterized in that an air inlet pipe (31) is fixedly connected to the right end face of the vertical plate (2), the combustion fan (3) is fixedly connected to the base plate (1) through the base, and the air outlet end of the combustion fan (3) is communicated with the air outlet pipe (5) through the air inlet pipe (31).

3. The nozzle structure of a low-nitrogen burner as claimed in claim 1, wherein the bottom plate (1) is provided with mounting holes (11) on the outer side of the upper end face, and the number of the mounting holes (11) is 4.

4. The nozzle structure of a low-nitrogen burner according to claim 1, wherein the fixing mechanism (4) comprises a fixing ring (41), a fixing bolt (42) and a fixing nut (43), the fixing ring (41) is fixedly connected with the air outlet pipe (5), the fixing bolt (42) is fixedly connected with the vertical plate (2), and the fixing bolt (42) is fixedly connected with the fixing nut (43); the fixing bolt (42) is in threaded connection with the fixing ring (41).

5. The nozzle structure of the low-nitrogen combustor according to claim 1, wherein the pressurization mechanism (7) comprises a protection box (71), a driving motor (72), a pulley set (73), a screw (74), a threaded sleeve (75), a limiting frame (76) and a piston plate (77), an output shaft end of the driving motor (72) is in transmission connection with the screw (74) through the pulley set (73), the screw (74) is in threaded connection with the threaded sleeve (75), the outer side wall of the threaded sleeve (75) is fixedly connected with the limiting frame (76), and the right end face of the threaded sleeve (75) is fixedly connected with the piston plate (77).

6. The nozzle structure of a low-nitrogen burner as claimed in claim 5, wherein the driving motor (72) is fixedly connected with the fuel tank (6) through a base, the screw (74) is rotatably connected with the fuel tank (6), and the limit bracket (76) and the piston plate (77) are both slidably connected with the fuel tank (6).

7. The nozzle structure of a low-nitrogen burner according to claim 1, wherein a storage ring (9) is fixedly connected to the middle of the outer side wall of the air outlet pipe (5), a storage chamber (51) is arranged in the inner cavity of the air outlet pipe (5), the storage ring (9) is communicated with the storage chamber (51), a fuel nozzle (52) is fixedly connected to the inner side wall of the air outlet pipe (5), the storage chamber (51) is communicated with the fuel nozzle (52), the right side of the lower end face of the fuel tank (6) is communicated with the storage ring (9) through a discharge pipe (61), and a feed pipe (62) is arranged on the upper end face of the fuel tank (6).

8. The nozzle structure of a low-nitrogen burner according to claim 7, characterized in that the left end face of the air outlet pipe (5) is connected with an air outlet cover (53) in a threaded manner, the number of the fuel nozzles (52) is 6, the free end of the igniter (8) is arranged between the fuel nozzles (52), the front end face of the fuel tank (6) is provided with an observation window (63), and the discharge pipe (61) and the feed pipe (62) are provided with electromagnetic valves.