CN109611836B

CN109611836B - Double vortex pulverized coal burner for rotary pellet kiln

Info

Publication number: CN109611836B
Application number: CN201910050807.9A
Authority: CN
Inventors: 凌中亚; 刘杰
Original assignee: Xiangyang Shenghe Combustion Equipment Co Ltd
Current assignee: Xiangyang Shenghe Combustion Equipment Co Ltd
Priority date: 2019-01-20
Filing date: 2019-01-20
Publication date: 2020-03-31
Anticipated expiration: 2039-01-20
Also published as: CN109611836A

Abstract

The invention discloses a double-vortex pulverized coal burner for a rotary pellet kiln, which comprises an igniter and a supporting base, wherein a fixed frame is assembled on the supporting base, a sliding block is assembled on the fixed frame, a moving plate is fixed on the sliding block, a thread lifting body is installed on the moving plate, a rotating arm is fixed at the driving end of the thread lifting body, a fixed support frame is arranged on the rotating arm and is positioned at one end part far away from the thread lifting body, an igniter fixed frame is installed on the support frame, a tightening plate is fixed at the telescopic end of the igniter fixed frame, a tightening mechanism is arranged on the tightening plate, the igniter is assembled on the tightening mechanism, and a temperature sensor is also assembled on the supporting base and is connected with the igniter through a lead. The invention is an automatic detection system, which does not need manual contact with a battery completely, so that the detection equipment is more intelligent, faster and more convenient.

Description

Double vortex pulverized coal burner for rotary pellet kiln

Technical Field

The invention relates to the technical field of burners, in particular to a double-vortex pulverized coal burner for a rotary pellet kiln.

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. Is made of corrosion-resistant and high-temperature-resistant materials such as stainless steel or metallic titanium. The burner functions to atomize the sample by flame combustion. The atomized test solution enters a burner, and a large amount of ground state atoms, and part of excited state atoms, ions and molecules are generated through the processes of drying, melting, evaporation, dissociation and the like under the action of flame temperature and flame atmosphere. A well-designed burner should have the properties of high atomization efficiency, low noise and stable flame so as to ensure higher absorption sensitivity and measurement precision. A slit burner is commonly used in atomic absorption spectroscopy to generate atomic vapor. The length and width of the burner gap are different according to the type of the used fuel gas and the combustion-supporting gas, and the applicable fuel gas and the combustion-supporting gas are marked on the common burner.

In actual life, the existing burner has too single function, the ignition position cannot be adjusted, and the market of the burner is reduced.

Disclosure of Invention

The invention aims to solve the problems that the existing burner has too single function and the ignition position cannot be adjusted, and designs a double-vortex pulverized coal burner for a rotary pellet kiln.

In order to achieve the purpose, the invention provides the following technical scheme: the double-vortex pulverized coal burner for the rotary pellet kiln comprises an igniter and a supporting base, wherein a fixing frame is assembled on the supporting base, a sliding block is assembled on the fixing frame, a moving plate is fixed on the sliding block, a threaded lifting body is installed on the moving plate, a rotating arm is fixed at the driving end of the threaded lifting body, a fixed supporting frame is arranged at one end part, far away from the threaded lifting body, of the rotating arm, an igniter fixing frame is installed on the supporting frame, a tightening plate is fixed at the telescopic end of the igniter fixing frame, a tightening mechanism is assembled on the tightening plate, the igniter is assembled on the tightening mechanism, a temperature sensor is also assembled on the supporting base, and the temperature sensor is connected with the igniter through a wire.

Preferably, the rotating arm is sleeved with an auxiliary plate, the bottom of the auxiliary plate is fixed with a pair of rotating columns, the supporting base is provided with a sliding groove, and the rotating columns are assembled in the sliding groove.

Preferably, the clamping mechanism is composed of a limiting piece fixed on the left end face of the clamping plate, a slide way opened on the clamping plate and a contact plate assembled on the slide way.

Preferably, the outer wall of the contact plate is provided with a threaded hole, a threaded rod is assembled in the threaded hole, and one end face of the threaded rod is fixed with the limiting piece.

Preferably, the upper end surface of the threaded rod is fixedly provided with a rotating ring, and the rotating ring is provided with an anti-slip edge.

Preferably, the switch is fixed at two ends of the fixing frame.

According to the double-vortex pulverized coal burner for the rotary pellet kiln, which is manufactured by the technical scheme of the invention, the sliding block can be fixed after moving on the fixing frame, so that the moving plate moves to adjust the left and right positions of the igniter, the rotating arm can rotate correspondingly by utilizing the thread lifting body, the igniter can be adjusted in a plane angle, then the fixing frame of the igniter is controlled to push the clamping mechanism on the clamping plate to descend, and the temperature is detected more quickly and conveniently by the temperature sensor.

Drawings

FIG. 1 is a schematic structural view of a double vortex pulverized coal burner for a rotary pellet kiln according to the present invention;

FIG. 2 is a schematic top view of a dual vortex pulverized coal burner for a rotary pellet kiln according to the present invention;

FIG. 3 is a schematic view showing a partially enlarged structure of a double vortex pulverized coal burner for a rotary pellet kiln according to the present invention;

FIG. 4 is a partially enlarged schematic view of a double vortex pulverized coal burner for a rotary pellet kiln according to the present invention.

In the figure, 1-igniter; 2-supporting the base; 3-a fixing frame; 4-a slider; 5, moving the board; 6-a threaded lifting body; 7-a rotating arm; 8-a support frame; 9-igniter fixing frame; 10-a clamping plate; 11-a temperature sensor; 12-an auxiliary plate; 13-a chute; 14-rotating the column; 15-a slide way; 16-a limit piece; 17-a contact plate; 18-a threaded rod; 19-a rotating ring; 20-a switch; 21-a housing; 22-air outlet.

Detailed Description

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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.

The invention provides a double-vortex pulverized coal burner for a rotary pellet kiln as shown in figures 1-4, which comprises an igniter 1 and a supporting base 2, wherein a fixed frame 3 is assembled on the supporting base 2, a sliding block 4 is assembled on the fixed frame 3, a movable plate 5 is fixed on the sliding block 4, a thread lifting body 6 is installed on the movable plate 5, a rotating arm 7 is fixed at the driving end of the thread lifting body 6, a fixed support frame 8 is fixed on the rotating arm 7 and is positioned at one end far away from the thread lifting body 6, an igniter fixed frame 9 is installed on the support frame 8, a tightening plate 10 is fixed at the telescopic end of the igniter fixed frame 9, a tightening mechanism is arranged on the tightening plate 10, the igniter 1 is assembled on the tightening mechanism, a temperature sensor 11 is also assembled on the supporting base 2, and the temperature sensor 11 is connected with the igniter 1 through a wire; an auxiliary plate 12 is sleeved on the rotating arm 7, a pair of rotating columns 14 is fixed at the bottom of the auxiliary plate 12, a sliding groove 13 is formed in the supporting base 2, and the rotating columns 14 are assembled in the sliding groove 13; the clamping mechanism is composed of a limiting piece 16 fixed on the left end face of the clamping plate 10, a slide way 15 arranged on the clamping plate 10 and a contact plate 17 assembled on the slide way 15; the outer wall of the contact plate 17 is provided with a threaded hole, a threaded rod 18 is assembled in the threaded hole, and one end face of the threaded rod 18 is fixed with the limiting piece 16; a rotating ring 19 is fixed on the upper end surface of the threaded rod 18, and an anti-slip edge is arranged on the rotating ring 19; the switch 20 is fixed at two ends of the fixing frame 3. The upper end of the fixing frame 3 is fixedly provided with a shell 21, and the shell 21 is provided with an air inlet and an air outlet 22.

When in specific use: the sliding block 4 can be fixed after moving on the fixing frame 3, so that the moving plate 5 moves to adjust the left and right positions of the igniter, the rotating arm 7 can rotate correspondingly by utilizing the thread lifting body 6, the igniter 1 can be adjusted in a plane angle, then the igniter fixing frame 9 is controlled to push the clamping mechanism on the clamping plate 10 to descend, and the temperature is detected through the temperature sensor 11.

Preferably, an auxiliary plate 12 is fitted over the rotary arm 7, a pair of rotary posts 14 is fixed to the bottom of the auxiliary plate 12, a slide groove 13 is formed in the support base 2, and the rotary posts 14 are fitted into the slide groove 13 to support the rotary arm 7.

Preferably, the clamping mechanism is configured to fix the limit piece 16 to the left end face of the clamping plate 10, process the slide way 15 on the clamping plate 10, fit the contact plate 17 in the slide way 15, and fix the igniter 1 by using the contact plate 17 and the limit piece 16.

Preferably, a threaded hole is formed in the outer wall of the contact plate 17, a threaded rod 18 is fitted into the threaded hole, one end surface of the threaded rod 18 is fixed to the stopper 16, and the igniter is fixed by rotating the threaded rod 18 to adjust the distance between the contact plate 17 and the stopper 16.

Preferably, a rotating ring 19 is fixed to an upper end surface of the threaded rod 18, and the threaded rod 18 can be easily rotated by forming an anti-slip rib on the rotating ring 19.

Preferably, a switch 20 is further provided on the holder 3 to control the igniter to turn on and off.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The double-vortex pulverized coal burner for the pellet rotary kiln comprises an igniter (1) and a supporting base (2) and is characterized in that a fixed frame (3) is assembled on the supporting base (2), a sliding block (4) is assembled on the fixed frame (3), a movable plate (5) is fixed on the sliding block (4), a threaded lifting body (6) is installed on the movable plate (5), a rotating arm (7) is fixed at the driving end of the threaded lifting body (6), a supporting frame (8) is fixed on the rotating arm (7) and positioned at one end part far away from the threaded lifting body (6), an igniter installing point fixed frame (9) is arranged on the supporting frame (8), a tightening plate (10) is fixed at the telescopic end of the igniter fixed frame (9), a tightening mechanism is arranged on the tightening plate (10), the igniter (1) is assembled on the tightening mechanism, and a temperature sensor (11) is also assembled on the supporting base (2), the temperature sensor (11) is connected with the igniter (1) through a lead, a shell (21) is fixedly arranged at the upper end of the fixed frame (3), an air inlet and an air outlet (22) are formed in the shell (21), the clamping mechanism is formed by a limiting piece (16) fixed on the left end face of the clamping plate (10), a slide way (15) arranged on the clamping plate (10) and a contact plate (17) assembled on the slide way (15) together, a threaded hole is formed in the outer wall of the contact plate (17), a threaded rod (18) is assembled in the threaded hole, one end face of the threaded rod (18) is fixed with the limiting piece (16), a rotating ring (19) is fixed on the upper end face of the threaded rod (18), and an anti-slip edge is formed on the rotating ring (19).

2. The double vortex pulverized coal burner for the pellet rotary kiln as claimed in claim 1, wherein the rotating arm (7) is sleeved with an auxiliary plate (12), a pair of rotating columns (14) are fixed at the bottom of the auxiliary plate (12), the supporting base (2) is provided with a sliding groove (13), and the rotating columns (14) are fitted in the sliding groove (13).

3. The double-vortex pulverized coal burner for the rotary pellet kiln as claimed in claim 1, wherein the switch (20) is fixed at both ends of the fixing frame (3).