CN210979815U

CN210979815U - Improved boiler burner

Info

Publication number: CN210979815U
Application number: CN201921988270.2U
Authority: CN
Inventors: 陈贵民; 朱宝元; 李�瑞
Original assignee: Shanxi Jinnan Iron and Steel Group Co Ltd
Current assignee: Shanxi Jinnan Iron and Steel Group Co Ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-07-10
Anticipated expiration: 2029-11-18

Abstract

The utility model discloses an improved generation boiler burner, including the water seal box, one side position department of water seal box is provided with the boiler, and the top of water seal box passes through the first inlet manifold of bolt fixedly connected with and the second inlet manifold, first inlet manifold is located one side of second inlet manifold, the first inlet branch pipe of bolt fixedly connected with is passed through to the bottom of second inlet manifold, through the big combustor of bolt fixedly connected with on the outer wall of one side of boiler, be provided with first connecting pipe between big combustor and the first inlet branch pipe. This improved generation boiler burner carries out the waste heat intensification of boiler through the little combustor when 75 tons boiler start-up ignition and steps up, can guarantee the stability of follow-up big combustor burning, and personnel's operation wholeness has improved very greatly, has also guaranteed the safe economic operation of boiler simultaneously, has also striven for effectual time for the unit electricity generation is incorporated into the power networks.

Description

Improved boiler burner

Technical Field

The utility model relates to a boiler burner technical field specifically is an improved generation boiler burner.

Background

The boiler burner is the most important equipment in auxiliary machinery matched with a fuel and gas boiler and mainly comprises an oil burner, a gas burner and a dual-fuel burner (also called as an oil-gas dual-purpose burner), wherein the oil burner can be divided into a light oil burner and a heavy oil burner, the light oil mainly refers to diesel oil, and the heavy oil refers to heavy oil left after extracting gasoline and diesel oil from crude oil; the gas burner may be classified into a natural gas burner, an urban gas burner, a liquefied petroleum gas burner, and a biogas burner.

However, the 75 ton boiler of some power plants utilizes blast furnace gas to burn and generate heat, heats furnace water, generates steam and sends the steam to the steam turbine to generate power, because the 75 ton boiler is when starting the stove and lighting a fire, the blast furnace gas is sent to four burners of the boiler through gas pipelines and valves to burn and generate heat, because the gas valves are all butterfly valves, and the leakproofness of the butterfly valves is not very good, can cause slight leakage of the gas, the phenomenon of boiler deflagration is very easy to occur, and the phenomenon has great safety and hidden to the boiler operation and the safety of personnel.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an improved generation boiler burner to propose current boiler burner and easily reveal the problem that the boiler deflagration takes place easily in the coal gas among the solution above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an improved generation boiler burner, includes the water seal box, one side position department of water seal box is provided with the boiler, and the top of water seal box passes through first inlet manifold of bolt fixedly connected with and second inlet manifold, first inlet manifold is located one side of second inlet manifold, the first inlet branch pipe of bolt fixedly connected with is passed through to the bottom of second inlet manifold, pass through the big combustor of bolt fixedly connected with on the outer wall of one side of boiler, be provided with first connecting pipe between big combustor and the first inlet branch pipe, pass through first motorised valve of bolt fixedly connected with and first blind plate valve on the outer wall of one side of first inlet manifold, first motorised valve is located one side of first blind plate valve, all pass through first manual door of bolt fixedly connected with on the outer wall of one side of first inlet manifold and second inlet manifold, pass through first manual valve of bolt fixedly connected with on the outer wall of one side of first connecting pipe, A second electrically operated valve and a pneumatic valve, the second electrically operated valve being located between the first manually operated valve and the pneumatic valve.

Preferably, a third air inlet main pipe is fixedly connected to the outer wall of one side of the first air inlet main pipe, close to the position between the first blind plate valve and the first manual door, through bolts.

Preferably, a second blind plate valve and a second manual valve are fixedly connected to the outer wall of one side of the third air inlet main pipe through bolts, and the second blind plate valve is located on one side of the second manual valve.

Preferably, the bottom of the third air inlet main pipe is fixedly connected with a second air inlet branch pipe through a bolt, and a small combustor is fixedly connected to one side position, close to the large combustor, on the outer wall of one side of the boiler through a bolt.

Preferably, a second connecting pipe is arranged between the small burner and the second air inlet branch pipe, and a second manual door is fixedly connected to the outer wall of one side of the second connecting pipe through a bolt.

Preferably, the top of the first air inlet main pipe is fixedly connected with a first emptying pipe through a bolt, and the outer wall of one side of the first air inlet branch pipe is fixedly connected with a second emptying pipe through a bolt.

Preferably, the number of the large burners and the number of the small burners are four, and the four large burners and the four small burners are symmetrically arranged on the outer wall of the boiler.

Compared with the prior art, the beneficial effects of the utility model are that: this improved generation boiler burner carries out the waste heat intensification of boiler through the little combustor when 75 tons boiler start-up ignition and steps up, can guarantee the stability of follow-up big combustor burning, and personnel's operation wholeness has improved very greatly, has also guaranteed the safe economic operation of boiler simultaneously, has also striven for effectual time for the unit electricity generation is incorporated into the power networks.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a top view of the present invention.

In the figure: 1. water sealing the tank; 2. a boiler; 3. a first intake manifold; 4. a second intake manifold; 5. a first intake branch pipe; 6. a large burner; 7. a first connecting pipe; 8. a first electrically operated valve; 9. a first blind plate valve; 10. a first manual door; 11. a first manual valve; 12. a second electrically operated valve; 13. a pneumatic door; 14. a third intake manifold; 15. a second blind plate valve; 16. a second manual valve; 17. a second intake branch pipe; 18. a small burner; 19. a second connecting pipe; 20. a second manual door; 21. a first evacuation tube; 22. a second evacuated tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: an improved boiler burner comprises a water seal box 1, a boiler 2, a first air inlet main pipe 3, a second air inlet main pipe 4, a first air inlet branch pipe 5, a large burner 6, a first connecting pipe 7, a first electric valve 8, a first blind valve 9, a first manual valve 10, a first manual valve 11, a second electric valve 12, a pneumatic valve 13, a third air inlet main pipe 14, a second blind valve 15, a second manual valve 16, a second air inlet branch pipe 17, a small burner 18, a second connecting pipe 19, a second manual valve 20, a first emptying pipe 21 and a second emptying pipe 22, wherein the boiler 2 is arranged at one side position of the water seal box 1, the top of the water seal box 1 is fixedly connected with the first air inlet main pipe 3 and the second air inlet main pipe 4 through bolts, the first air inlet main pipe 3 is positioned at one side of the second air inlet main pipe 4, the bottom of the second air inlet main pipe 4 is fixedly connected with the first air inlet branch pipe 5 through bolts, big combustor 6 through bolt fixedly connected with on the outer wall of one side of boiler 2, be provided with first connecting pipe 7 between big combustor 6 and the first branch air inlet pipe 5, through first motorised valve 8 of bolt fixedly connected with and first blind plate valve 9 on the outer wall of one side of first main air inlet pipe 3, first motorised valve 8 is located one side of first blind plate valve 9, all through the first manual door 10 of bolt fixedly connected with on the outer wall of one side of first main air inlet pipe 3 and second main air inlet pipe 4, through the first manual valve 11 of bolt fixedly connected with on the outer wall of one side of first connecting pipe 7, second motorised valve 12 and pneumatic door 13, second motorised valve 12 is located between first manual valve 11 and the pneumatic door 13, first manual door 10 adopts DN150 manual door.

Furthermore, a third air inlet main pipe 14 is fixedly connected to the outer wall of one side of the first air inlet main pipe 3, which is close to the position between the first blind plate valve 9 and the first manual door 10, through a bolt.

Further, a second blind plate valve 15 and a second manual valve 16 are fixedly connected to the outer wall of one side of the third air inlet main pipe 14 through bolts, and the second blind plate valve 15 is located on one side of the second manual valve 16.

Further, the bottom of the third air inlet manifold 14 is fixedly connected with a second air inlet branch pipe 17 through a bolt, and a small burner 18 is fixedly connected with the outer wall of one side of the boiler 2 through a bolt at a position close to one side of the large burner 6.

Further, a second connecting pipe 19 is arranged between the small burner 18 and the second air inlet branch pipe 17, a second manual door 20 is fixedly connected to the outer wall of one side of the second connecting pipe 19 through a bolt, and the second manual door is DN 100.

Further, the top of the first air intake manifold 3 is fixedly connected with a first emptying pipe 21 through a bolt, and the outer wall of one side of the first air intake branch pipe 5 is fixedly connected with a second emptying pipe 22 through a bolt.

Further, the large burners 6 and the small burners 18 are all provided with four, and the four large burners 6 and the four small burners 18 are all symmetrically arranged on the outer wall of the boiler 2.

The working principle is as follows: when in use, the coal gas is led to four small burners 18 of the 75-ton boiler 2, second manual doors 20 are respectively arranged at the upper openings of the four small burners 18, the amount of the coal gas can be adjusted when the boiler 2 is ignited, the normal and stable combustion of flame is controlled, when the four small burners 18 are ignited, the gas sources of the four large burners 6 of the boiler 2 are isolated by the water seal box 1, when the operation parameters of the boiler 2 reach the conditions of temperature rise and pressure rise, the water seal water drain door of the water seal box 1 is opened, water in the water seal box 1 is discharged, and the coal gas is sent to four large combustors 6 of the boiler 2 to be combusted (the combusted coal gas is leaked through a valve), after the flame of the four large burners 6 is stabilized, the second manual valves 20, the second blind plate valves 15 and the second manual valves 16 of the four small burners 18 are closed, the four small burners 18 stop running, and the boiler 2 is adjusted normally.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. An improved generation boiler combustor, includes water seal box (1), its characterized in that: the boiler is characterized in that a boiler (2) is arranged at one side position of the water seal box (1), the top of the water seal box (1) is fixedly connected with a first air inlet main pipe (3) and a second air inlet main pipe (4) through bolts, the first air inlet main pipe (3) is located at one side of the second air inlet main pipe (4), the bottom of the second air inlet main pipe (4) is fixedly connected with a first air inlet branch pipe (5) through bolts, a large burner (6) is fixedly connected onto the outer wall of one side of the boiler (2), a first connecting pipe (7) is arranged between the large burner (6) and the first air inlet branch pipe (5), a first electric valve (8) and a first blind plate valve (9) are fixedly connected onto the outer wall of one side of the first air inlet main pipe (3), the first electric valve (8) is located at one side of the first blind plate valve (9), and the outer wall of one side of the first air inlet main pipe (3) and the outer wall of the second air inlet main pipe (4) is fixedly connected with bolts The pneumatic valve comprises a first manual valve (10), wherein a first manual valve (11), a second electric valve (12) and a pneumatic valve (13) are fixedly connected to the outer wall of one side of the first connecting pipe (7) through bolts, and the second electric valve (12) is located between the first manual valve (11) and the pneumatic valve (13).

2. An improved boiler burner as in claim 1, wherein: and a third air inlet main pipe (14) is fixedly connected to the outer wall of one side of the first air inlet main pipe (3) through a bolt at a position close to the position between the first blind plate valve (9) and the first manual door (10).

3. An improved boiler burner as in claim 2, wherein: the outer wall of one side of the third air inlet main pipe (14) is fixedly connected with a second blind plate valve (15) and a second manual valve (16) through bolts, and the second blind plate valve (15) is located on one side of the second manual valve (16).

4. An improved boiler burner as in claim 2, wherein: the bottom of the third air inlet main pipe (14) is fixedly connected with a second air inlet branch pipe (17) through a bolt, and a small combustor (18) is fixedly connected with the position, close to the large combustor (6), on the outer wall of one side of the boiler (2) through a bolt.

5. An improved boiler burner as in claim 4, wherein: a second connecting pipe (19) is arranged between the small burner (18) and the second air inlet branch pipe (17), and a second manual door (20) is fixedly connected to the outer wall of one side of the second connecting pipe (19) through a bolt.

6. An improved boiler burner as in claim 1, wherein: the top of the first air inlet main pipe (3) is fixedly connected with a first emptying pipe (21) through a bolt, and the outer wall of one side of the first air inlet branch pipe (5) is fixedly connected with a second emptying pipe (22) through a bolt.

7. An improved boiler burner as in claim 1, wherein: the large combustors (6) and the small combustors (18) are all provided with four, and the four large combustors (6) and the four small combustors (18) are symmetrically arranged on the outer wall of the boiler (2).