CN217209360U

CN217209360U - High-temperature combustion-supporting burner

Info

Publication number: CN217209360U
Application number: CN202123332023.7U
Authority: CN
Inventors: 张跟东; 陈文远; 赵连海; 高增龙; 董成柱
Original assignee: Tianjin Shengcheng Environment Technology Development Co ltd
Current assignee: Tianjin Shengcheng Environment Technology Development Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-08-16
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses a high temperature combustion-supporting combustor, including the housing system, mix burning structure and air distribution inlet structure in advance, the inside sleeve pipe of housing system is equipped with mixes burning structure in advance, it is equipped with the radiation shield sleeve to mix burning structure outside sleeve pipe in advance, the welding of housing system bottom has the air distribution import, the air distribution import is inside to have the air regulating mechanism through the bolt fastening, the inside ventilation unit of having seted up of air regulating mechanism. The utility model discloses a split type air feed design makes the hot-blast furnace abundant burning needs that satisfies of high temperature, promotes the CO burning and burns out, and this structure has the backflow prevention function simultaneously.

Description

High-temperature combustion-supporting burner

Technical Field

The utility model relates to a combustor technical field, in particular to high temperature combustion-supporting combustor.

Background

The burner is a device for spraying and mixing fuel and air in a certain mode for combustion, and is divided into industrial burners, combustion engines, civil burners and special burners according to types and application fields, and is made of corrosion-resistant and high-temperature-resistant materials such as stainless steel or metal titanium.

At present, a great number of combustion-supporting combustors are used for supporting combustion of a high-temperature incineration device, a large amount of fuel is consumed for supporting combustion, the fuel cost accounts for the most part of the overall treatment cost of the incineration device, and the fuel cost is significant in reducing the fuel cost.

The existing combustion-supporting burner has the following defects: 1. the combustion-supporting air temperature of the existing burner is only suitable for normal temperature and lower air temperature. The structure of the combustion-supporting combustor is mostly in the form of an all-in-one machine structure (namely the combustion-supporting combustor is provided with a fan), so that combustion can be supported only by using normal-temperature air and low-temperature air, otherwise, the combustor can be damaged, 2, the heat insulation effect is poor, and the air inlet flows back easily. To this end, we propose a high temperature booster burner.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a high temperature combustion-supporting combustor can effectively solve the problem among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a high temperature combustion-supporting combustor, includes housing system, mixes burning structure and air distribution import in advance, the inside cover of housing system is equipped with mixes burning structure in advance, it is equipped with the radiation shield sleeve to mix burning structure outside sleeve pipe in advance, the welding of housing system bottom has the air distribution import, the air distribution import is inside to be fixed with adjustment mechanism through the bolt, ventilation unit has been seted up to adjustment mechanism inside.

Furthermore, the inside connecting rod that runs through of air adjusting mechanism is provided with, the connecting rod top is fixed with the air adjusting flabellum through the bolt, the connecting rod outside cover is equipped with the closing plate, the connecting rod bottom is fixed with the stopper through the bolt.

Furthermore, the heat insulating sleeve comprises rock wool inside lining and cermet protective sheath, the cermet protective sheath is glued in the rock wool inside lining.

Furthermore, a sleeve on one side of the shell system is provided with a fuel inlet, and the fuel inlet is communicated with the premixed combustion structure; the fuel inlet facilitates fuel to enter the premix combustion structure.

Furthermore, a fire detection system is fixed at one end of the shell system through a bolt, the detection end of the fire detection system is positioned at one side of the premixed combustion structure, an ignition system is fixed at the other end of the shell system through a bolt, and the ignition end of the ignition system is positioned in the premixed combustion structure; the fire detection system can detect the temperature in the premixed combustion structure.

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

1. through setting up the fuel import, the air distribution import and mix burning structure in advance, personnel use the pipeline to set up the feed and be connected with the fuel import, and install outside air feed setting in air distribution import bottom, get into mix burning structure inside back in advance from the fuel import when fuel, ignite through ignition system, and open outside air feeder and make powerful air current get into mix burning structure in advance through the air distribution import in, blow out flame, split type design makes high temperature be difficult for outside air feeder, electric control equipment causes the damage.

2. Through setting up the radiation shield, closing plate and accent fan blade, the burning structure outside sleeve pipe in advance is equipped with the radiation shield, and the radiation shield has rock wool inside lining and cermet protective sheath two parts to constitute, and is thermal-insulated effectual, and after outside powerful air current got into the import of joining in marriage the wind inside to get into through annular ventilation unit in the burning structure in advance, promote the small fire and light the big fire of premixing export rapidly, play simultaneously and prevent the air current backward flow, prevent the flame air current backward flow.

Drawings

Fig. 1 is a schematic view of the overall structure of the high-temperature combustion-supporting burner of the present invention.

Fig. 2 is a schematic structural view of an air adjusting mechanism of the high-temperature combustion-supporting burner of the present invention.

Fig. 3 is a sectional view of the heat insulation jacket structure of the high temperature combustion-supporting burner of the present invention.

In the figure: 1. a housing system; 2. a premixed combustion structure; 3. a wind distribution inlet; 4. a fuel inlet; 5. an ignition system; 6. a fire detection system; 7. a heat insulating sleeve; 8. rock wool lining; 9. a cermet protective sheath; 10. a wind adjusting mechanism; 11. a connecting rod; 12. a ventilation device; 13. a sealing plate; 14. adjusting the fan blades; 15. and a limiting block.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, a high-temperature combustion-supporting burner comprises a shell system 1, a premixed combustion structure 2 and an air distribution inlet 3, wherein the premixed combustion structure 2 is sleeved in the shell system 1, a heat insulation sleeve 7 is arranged on a sleeve on the outer side of the premixed combustion structure 2, the air distribution inlet 3 is welded at the bottom of the shell system 1, an air adjusting mechanism 10 is fixed in the air distribution inlet 3 through bolts, and a ventilation device 12 is arranged in the air adjusting mechanism 10.

The inside connecting rod 11 that runs through of air adjustment mechanism 10 is provided with, air adjustment flabellum 14 is fixed with through the bolt at connecting rod 11 top, connecting rod 11 outside cover is equipped with closing plate 13, connecting rod 11 bottom is fixed with stopper 15 through the bolt.

In this embodiment, as shown in fig. 2, after the strong external airflow enters the air distribution inlet, the strong external airflow enters the premixed combustion structure through the annular ventilation device, and pushes the small fire to quickly ignite the large fire at the premixed outlet, and the premixed combustion structure simultaneously stops airflow from flowing back and prevents flame airflow from flowing back.

Wherein, the radiation shield 7 comprises rock wool inside lining 8 and cermet protective sheath 9, cermet protective sheath 9 veneer is in rock wool inside lining 8.

In this embodiment, as shown in fig. 3, the heat insulation sleeve 7 composed of the rock wool lining 8 and the metal ceramic protection sleeve 9 can block the high temperature conduction of the premixed combustion structure 2.

And a sleeve on one side of the shell system 1 is provided with a fuel inlet 4, and the fuel inlet 4 is communicated with the premixed combustion structure 2.

In this embodiment, as shown in FIG. 1, the fuel inlet 4 facilitates fuel entry into the premix combustion structure 2.

The fire detection system 6 is fixed to one end of the shell system 1 through a bolt, the detection end of the fire detection system 6 is located on one side of the premixed combustion structure 2, the ignition system 5 is fixed to the other end of the shell system 1 through a bolt, and the ignition end of the ignition system 5 is located inside the premixed combustion structure 2.

In this embodiment, as shown in fig. 1, the fire detection system 6 may detect the temperature in the premixed combustion structure 2.

It should be noted that the utility model relates to a high temperature combustion-supporting burner, in operation, personnel use the pipeline to connect the feeding device with the fuel inlet 4, and install the external air supply device at the bottom of the air distribution inlet 3, after the fuel enters the premixed combustion structure 2 from the fuel inlet 4, ignite through the ignition system 5, and open the external air supply equipment to make the strong air flow enter the premixed combustion structure 2 through the air distribution inlet 3, blow out the flame, the split design makes the high temperature not easy to damage the external air supply equipment such as the fan, the electrical control equipment, and the sleeve pipe outside the premixed combustion structure 2 is provided with the heat insulation cover 7, the heat insulation cover 7 is composed of the rock wool lining 8 and the metal ceramic protective sheath 9, the heat insulation effect is good, after the strong external air flow enters the air distribution inlet 3, and enters the premixed combustion structure through the annular ventilation device, promote the small fire to ignite the big fire of the premixed outlet rapidly, simultaneously, the device can prevent the airflow from flowing back and prevent the flame airflow from flowing back.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a high temperature combustion-supporting combustor, includes housing system (1), mixes burning structure (2) and air distribution import (3) in advance, its characterized in that: the casing system (1) inside cover is equipped with mixes burning structure (2) in advance, it is equipped with radiation shield (7) to mix burning structure (2) outside sleeve pipe in advance, casing system (1) bottom welding has air distribution inlet (3), air distribution inlet (3) are inside to be fixed with through the bolt and transfer wind mechanism (10), ventilation unit (12) have been seted up to air distribution mechanism (10) inside.

2. A high temperature booster burner as recited in claim 1, wherein: the wind adjusting mechanism is characterized in that a connecting rod (11) penetrates through the inside of the wind adjusting mechanism (10), wind adjusting fan blades (14) are fixed to the top of the connecting rod (11) through bolts, a sealing plate (13) is sleeved on the outer side of the connecting rod (11), and a limiting block (15) is fixed to the bottom of the connecting rod (11) through the bolts.

3. A high temperature booster burner as claimed in claim 1, wherein: the heat insulation sleeve (7) is composed of a rock wool lining (8) and a metal ceramic protection sleeve (9), and the metal ceramic protection sleeve (9) is glued on the rock wool lining (8).

4. A high temperature booster burner as claimed in claim 1, wherein: the fuel inlet (4) is arranged at one side end of the shell system (1), and the fuel inlet (4) is communicated with the premixed combustion structure (2).

5. A high temperature booster burner as recited in claim 1, wherein: the fire detection system is characterized in that a fire detection system (6) is fixed to one end of the shell system (1) through a bolt, the detection end of the fire detection system (6) is located on one side of the premixed combustion structure (2), an ignition system (5) is fixed to the other side of the shell system (1) through a bolt, and the ignition end of the ignition system (5) is located inside the premixed combustion structure (2).