Coke oven gas low-nitrogen burner

Abstract

The utility model discloses a coke oven gas low-nitrogen burner which comprises a burner body, a first gas inlet pipe is arranged on one side of the burner body, and the terminal of the first gas inlet pipe is connected with a gas outlet pipe. The fire gathering cover has the beneficial effects that the limiting frame is arranged at the position of the inserting hole in the fire gathering cover, and when the propeller drives the ignition rod to move downwards to enable the ignition gun to extend into the fire gathering cover through the inserting hole, the pull rod can be far away from the ignition rod through downward pulling force generated by downward movement of the ignition rod through the arranged hinge seat; after the ignition gun completes ignition, the propeller drives the ignition rod to move upwards, the pull rod is pulled again to be close to the ignition rod, the sliding cover slides in the limiting frame again to cover the insertion hole, and the situation that the flow path of flames is changed due to the formed insertion hole is avoided. The flame concentration effect is prevented from being reduced to influence the combustion efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of burners, in particular to a coke oven gas low-nitrogen burner. Background Art

[0002] Coke oven gas is a combustible gas produced during the coking process and is a by-product of the coking industry. Therefore, burners are used extensively in the production process.

[0003] In order to facilitate the insertion of an ignition gun into the flame hood to ignite the mixed gas during use, the existing coke oven gas low-nitrogen burner has a socket on the flame hood for the insertion of an ignition gun. However, since the main function of the flame hood is to guide and concentrate the flame, reduce the dispersion of the flame and thus improve the combustion efficiency, the socket on the flame hood will change the flow path of the flame, reduce the concentration effect of the flame, and thus affect the combustion efficiency. Therefore, a new coke oven gas low-nitrogen burner is urgently needed to solve these problems. Utility Model Content

[0004] (1) Technical issues to be solved

[0005] The technical problem to be solved by the utility model is to provide a coke oven gas low nitrogen burner which can avoid flame unconcentration in view of the current status of the prior art.

[0006] (2) Technical solution

[0007] The present invention is realized through the following technical scheme: The present invention proposes a coke oven gas low-nitrogen burner, comprising a burner body, a first air inlet pipe being provided on one side of the burner body, the terminal end of the first air inlet pipe being connected to an air outlet pipe, a fire hood being installed at the terminal end of the air outlet pipe, a socket being provided at the top end of the fire hood, a propeller being installed at the front end of the burner body, a telescopic portion of the propeller passing through the burner body and being connected to an ignition rod, an ignition gun being installed at the terminal end of the ignition rod, a fixing plate being provided on the ignition rod, a limiting frame being symmetrically fixed on both sides of the socket on the fire hood, a sliding cover being connected in the limiting frame, a hinged seat being installed on the sliding cover and the fixing plate, and a pull rod being provided between the two hinged seats.

[0008] Furthermore, a combustion-supporting air intake pipe is installed on one side above the first air intake pipe, a second air intake pipe is connected to the top of the first air intake pipe, and a gas air intake pipe is provided on one side above the second air intake pipe.

[0009] By adopting the above technical solution, the first air intake pipe can more firmly fix the combustion-supporting air intake pipe, and the combustion-supporting air intake pipe can more conveniently introduce the combustion-supporting gas into the first air intake pipe.

[0010] Furthermore, the burner body is connected to the first air inlet pipe by bolts, and the first air inlet pipe and the fire hood are both connected to the air outlet pipe by bolts.

[0011] By adopting the above technical solution, the first air inlet pipe can be more firmly fixed on the burner body, the first air inlet pipe can better fix the air outlet pipe, and the air outlet pipe can more conveniently transport the mixed gas into the fire hood.

[0012] Furthermore, the combustion-supporting air intake pipe and the second air intake pipe are both threadedly connected to the first air intake pipe, and the second air intake pipe is threadedly connected to the coal gas air intake pipe.

[0013] By adopting the above technical solution, the first air inlet pipe can fix the gas inlet pipe more firmly, and the gas inlet pipe can be more conveniently fed with gas.

[0014] Furthermore, the jack is formed on the fire hood, the fire hood is made of stainless steel, and the burner body is connected to the thruster bolts.

[0015] By adopting the above technical solution, the socket can make it easier for the ignition gun to extend into the interior of the fire hood, thereby igniting the gas in the fire hood. The fire hood can better guide and concentrate the flame, ensure combustion efficiency, and reduce the generation of nitrogen oxides.

[0016] Furthermore, the propeller is connected to the ignition rod by bolts, the ignition rod is threadedly connected to the ignition gun, and the ignition rod is connected to the fixing plate by bolts.

[0017] By adopting the above technical solution, the propeller can more easily drive the ignition rod to move up and down, thereby better controlling the ignition gun to enter and exit the fire cover, and the ignition gun can better ignite the gas.

[0018] Furthermore, the fire hood is bolted to the limiting frame, the limiting frame and the fire hood are both slidably connected to the sliding cover, the fixing plate and the sliding cover are both bolted to the hinge seat, and the hinge seat is hinged to the pull rod.

[0019] By adopting the above technical solution, the fire hood can more firmly fix the limit frame, the limit frame can more conveniently limit the movement of the sliding cover, the hinged seat can more conveniently fix the pull rod, and the pull rod can more conveniently follow the movement of the ignition rod to pull the sliding cover, so that it can follow the ignition gun in and out of the fire hood to cover the socket.

[0020] (3) Beneficial effects

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] The invention relates to a novel low-nitrogen burner having a plurality of flames, and a plurality of flames having a plurality of nozzles, and a plurality of nozzles, and a plurality of nozzles, and a plurality of nozzles, and a plurality of nozzles, and a plurality of nozzles, and a plurality of nozzles, and a plurality of nozzles, and a plurality of nozzles, and a plurality of nozzles, and a plurality of nozzles, and a plurality of nozzles, and a plurality of nozzles, and a plurality of nozzles, and a plurality of nozzles, and a plurality of nozzles, and a plurality of nozzles, and a plurality of nozzles, and a plurality of nozzles, and a plurality of nozzles, and a plurality of nozzles, and a plurality of nozzles, and a plurality of BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a structural diagram of a coke oven gas low nitrogen burner described in the utility model;

[0024] Figure 2 This is a right side view of a coke oven gas low nitrogen burner according to the present invention;

[0025] Figure 3 This is a coke oven gas low nitrogen burner described in the utility model Figure 1 Enlarged view of point A in the middle;

[0026] Figure 4 It is a structural schematic diagram of a fire hood, a socket, a limit frame and a sliding cover in a circuit block diagram of a coke oven gas low-nitrogen burner described in the utility model.

[0027] The following are the descriptions of the reference numerals:

[0028] 1. Burner body; 2. First air inlet pipe; 3. Air outlet pipe; 4. Fire cover; 5. Socket; 6. Propeller; 7. Ignition rod; 8. Ignition gun; 9. Fixing plate; 10. Limiting frame; 11. Sliding cover; 12. Articulated seat; 13. Pull rod; 14. Battery; 15. Second air inlet pipe; 16. Gas inlet pipe. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0030] like Figures 1-4 As shown, a coke oven gas low nitrogen burner in this embodiment includes a burner body 1, a first air inlet pipe 2 is provided on one side of the burner body 1, and the terminal end of the first air inlet pipe 2 is connected to the air outlet pipe 3, the first air inlet pipe 2 can be more firmly fixed on the burner body 1, the first air inlet pipe 2 can better fix the air outlet pipe 3, and the air outlet pipe 3 can be more convenient for conveying the mixed gas to the fire hood 4, and the terminal end of the air outlet pipe 3 is installed with the fire hood 4, and the top of the fire hood 4 is provided with a socket 5. The burner body 1 is located at the front end of the first air inlet pipe 2 and a propeller 6 is installed. The socket 5 can make it easier for the ignition gun 8 to extend into the interior of the fire hood 4, so as to ignite the gas in the fire hood 4. The fire hood 4 can better guide and concentrate the flame, ensure combustion efficiency, and reduce nitrogen The generation of oxides, the telescopic part of the thruster 6 passes through the burner body 1 and is connected to the ignition rod 7, and the terminal end of the ignition rod 7 is installed with an ignition gun 8. A fixing plate 9 is provided on the ignition rod 7, and the fire hood 4 is symmetrically fixed with a limiting frame 10 on both sides of the socket 5. A sliding cover 11 is connected to the limiting frame 10, and a hinge seat 12 is installed on the sliding cover 11 and the fixing plate 9. A pull rod 13 is provided between the two hinge seats 12. The fire hood 4 can fix the limiting frame 10 more firmly, and the limiting frame 10 can be more convenient for limiting the movement of the sliding cover 11. The hinge seat 12 can be more convenient for fixing the pull rod 13. The pull rod 13 can be more convenient for pulling the sliding cover 11 following the movement of the ignition rod 7, so that it can follow the ignition gun 8 in and out of the fire hood 4 to cover the socket 5.

[0031] like Figures 1-4As shown, in this embodiment, a combustion-supporting air inlet pipe 14 is installed on one side above the first air inlet pipe 2, a second air inlet pipe 15 is connected to the top of the first air inlet pipe 2, and a gas air inlet pipe 16 is provided on one side above the second air inlet pipe 15. The first air inlet pipe 2 can fix the combustion-supporting air inlet pipe 14 more firmly, and the combustion-supporting air inlet pipe 14 can more conveniently introduce combustion-supporting gas into the first air inlet pipe 2. The burner body 1 is bolted to the first air inlet pipe 2, and the first air inlet pipe 2 and the fire hood 4 are both bolted to the air outlet pipe 3. The combustion-supporting air inlet pipe 14 and the second air inlet pipe 15 are both threadedly connected to the first air inlet pipe 2, and the second air inlet pipe 15 is threadedly connected to the gas inlet pipe 16. The first air inlet pipe 2 can fix the gas inlet pipe 16 more firmly. The gas inlet pipe 16 can be more convenient for introducing gas, the socket 5 is formed on the fire hood 4, the fire hood 4 is made of stainless steel, the burner body 1 is bolted to the propeller 6, the propeller 6 is bolted to the ignition rod 7, the ignition rod 7 is threadedly connected to the ignition gun 8, the ignition rod 7 is bolted to the fixing plate 9, the propeller 6 can be more convenient to drive the ignition rod 7 to move up and down, so as to better control the ignition gun 8 to enter and exit the fire hood 4, the ignition gun 8 can better ignite the gas, the fire hood 4 is bolted to the limit frame 10, the limit frame 10 and the fire hood 4 are both slidably connected to the sliding cover 11, the fixing plate 9 and the sliding cover 11 are both bolted to the hinge seat 12, and the hinge seat 12 is hinged to the pull rod 13.

[0032] The specific implementation process of this embodiment is as follows: when in use, first install the low-nitrogen burner to the specified position, and set a limit frame 10 at the socket 5 on the fire cover 4. When the propeller 6 drives the ignition rod 7 to move downward so that the ignition gun 8 extends into the fire cover 4 through the socket 5, the downward pulling force generated by the downward movement of the ignition rod 7 can be used through the provided hinged seat 12 to move the pull rod 13 away from the ignition rod 7, thereby driving the sliding cover 11 to slide in the limit frame 10 to cancel the covering of the socket 5. When the ignition gun 8 completes ignition, the propeller 6 drives the ignition rod 7 to move upward and pulls the pull rod 13 again to make it closer to the ignition rod 7, thereby sliding the sliding cover 11 in the limit frame 10 again to cover the socket 5, thereby avoiding the change of the flow path of the flame due to the opened socket 5, preventing the reduction of the flame concentration effect and thus affecting the combustion efficiency.

[0033] The above description of the disclosed embodiments will enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A coke oven gas low nitrogen burner, characterized by: The invention comprises a burner body (1), wherein a first air inlet pipe (2) is provided on one side of the burner body (1), a terminal of the first air inlet pipe (2) is connected to an air outlet pipe (3), a fire hood (4) is installed at the terminal of the air outlet pipe (3), a socket (5) is provided at the top of the fire hood (4), a propeller (6) is installed at the front end of the burner body (1) located at the first air inlet pipe (2), a telescopic part of the propeller (6) passes through the burner body (1) and is connected to an ignition rod (7), an ignition gun (8) is installed at the terminal of the ignition rod (7), a fixing plate (9) is provided on the ignition rod (7), a limiting frame (10) is symmetrically fixed on both sides of the socket (5) on the fire hood (4), a sliding cover (11) is connected in the limiting frame (10), a hinge seat (12) is installed on the sliding cover (11) and the fixing plate (9), and a pull rod (13) is provided between the two hinge seats (12).

2. The coke oven gas low nitrogen burner according to claim 1, characterized in that: A combustion-supporting air intake pipe (14) is installed on one side above the first air intake pipe (2), a second air intake pipe (15) is connected to the top of the first air intake pipe (2), and a coal gas air intake pipe (16) is provided on one side above the second air intake pipe (15).

3. The coke oven gas low nitrogen burner according to claim 1, characterized in that: The burner body (1) is connected to the first air inlet pipe (2) by bolts, and the first air inlet pipe (2) and the fire hood (4) are both connected to the air outlet pipe (3) by bolts.

4. The coke oven gas low nitrogen burner according to claim 2, characterized in that: The combustion-supporting air intake pipe (14) and the second air intake pipe (15) are both threadedly connected to the first air intake pipe (2), and the second air intake pipe (15) is threadedly connected to the coal gas intake pipe (16).

5. The coke oven gas low nitrogen burner according to claim 1, characterized in that: The socket (5) is formed on the fire cover (4), and the fire cover (4) is made of stainless steel. The burner body (1) is connected to the propeller (6) by bolts.

6. The coke oven gas low nitrogen burner according to claim 1, characterized in that: The propeller (6) is connected to the ignition rod (7) by bolts, the ignition rod (7) is threadedly connected to the ignition gun (8), and the ignition rod (7) is connected to the fixing plate (9) by bolts.

7. The coke oven gas low nitrogen burner according to claim 1, characterized in that: The fire hood (4) is bolted to the limiting frame (10), the limiting frame (10) and the fire hood (4) are both slidably connected to the sliding cover (11), the fixing plate (9) and the sliding cover (11) are both bolted to the hinge seat (12), and the hinge seat (12) is hinged to the pull rod (13).

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