CN2581814Y

CN2581814Y - Dual-purpose circular fire burner using gas or fuel oil

Info

Publication number: CN2581814Y
Application number: CN 02252150
Authority: CN
Inventors: 王斯怀; 邹长青; 陈隆生
Original assignee: Hunan Jixiang Burner Co ltd
Current assignee: Hunan Jixiang Petrochemical Science & Technology Co., Ltd.
Priority date: 2002-08-24
Filing date: 2002-08-24
Publication date: 2003-10-22
Anticipated expiration: 2012-08-24

Abstract

The utility model relates to the technical field of heat energy, which is composed of an upper and a lower fire basin bricks, gas guns, a fuel oil gun, silencing pot bodies, air regulators, etc. The utility model is characterized in that the upper end of a burner is provided with a burning fire basin composed of the upper fire basin brick and the lower fire basing brick between which a circular air outlet is arranged, the hexagonal periphery of the upper fire basin brick is provided with two gas attaching and flowing inclined planes with different angles, the hexagonal periphery of the lower fire basin brick is provided with a plurality of gas guns with different height, the center of the fire basin is provided with the fuel oil gun capable of generating circular fire, and a plurality of spray holes with different angles are arranged on the gas guns; the lower ends of the upper and the lower fire basin bricks are inlaid with the silencing pot bodies in which multi-hole inner cylinders with heat insulating cotton are arranged, and the air regulators are arranged on the side faces of the lower ends of the silencing pot bodies. A burning device of the utility model has the advantages of adjustable fire length, sufficient burning, uniform fire burning temperature and high burning efficiency and simultaneous reduces the discharge of CO, SO3 and NO which are generated by burning.

Description

Combustion gas, the dual-purpose circular flame burner of fuel oil

Technical field:

The utility model relates to a kind of heat energy technical field, particularly, have combustion gas and fuel oil function simultaneously, can realize circular flame combustion and reduce oxynitrides pollutant discharge amount in the waste gas significantly, environmental protection and energy saving combustion gas efficiently, the fuel oil dual burner of low noise operation.

Background technology: a large amount of burner firing equipments that use of industries such as present domestic petroleum chemical industry are single gas or liquid burner.In its exhaust emissions pollutant particularly NOx content exceed standard in a large number, because what adopt is that general technical measures commonly used reduce NOx and measure not ideal enoughly, and there are defectives such as flame temperature is irregular in a small amount of low-NOx combustor that adopts.And present most of Industrial Stoves are to make fuel with fuel gas and light oil always, think for viscosity height, most development persons of residual oil that slag is many to be difficult to atomizing, are considered as the forbidden zone.Do a good job of it the energy-saving and cost-reducing of Industrial Stoves, to improve the performance of enterprises, very important significance reduces cost.

Summary of the invention:

The purpose of this utility model is for overcoming above-mentioned weak point, adopt a kind of have simultaneously combustion gas and fuel oil function, both possessed multistage atomizing, can burn the oil combustion gun of pluralities of fuel, can realize circular flame combustion again and reduce oxynitrides pollutant discharge amount in the waste gas significantly, environmental protection and energy saving combustion gas efficiently, the fuel oil dual burner of low noise operation.

The technical solution of the utility model is: be made of upper and lower brazier brick, gas gun, oil combustion gun, noise elimination cylindrical shell, air register etc., it is characterized in that the upper end of burner is provided with the burning fire pot of upper brazier brick, following brazier brick composition, the air outlet of a circle is established at the brazier brick center, upper brazier brick hexagon periphery is provided with the combustion gas of two different angles and adheres to flowing inclined plane, following brazier brick hexagon periphery is provided with height some the gas guns that differ, be provided with the oil combustion gun that can produce circular flame at the fire pot center, on gas gun, be provided with a plurality of spray orifices that angle differs.Upper and lower brazier brick lower end is embedded with the noise elimination cylindrical shell, is provided with the porous inner cylinder of heat-preservation cotton in the noise elimination cylindrical shell, and air register is arranged on noise elimination cylindrical shell lower end side.

Owing to adopted above-mentioned design, it is adjustable to make burner of the present utility model have the length of flame, it is more abundant to burn, thereby realization flame combustion temperature evenly avoids localized hyperthermia's generation that combustion position is improved effectively, improve efficiency of combustion, greatly reduced CO, SO3, NOx discharge capacity that burning generates simultaneously.Oil combustion gun of the present utility model has also solved residual oil and has fully atomized, and clean-burning problem can reduce by 90% cost, can satisfy the requirement of various operating mode loads fully, and easy to operate, easy to maintenance.Can be widely used on the various heaters.

Description of drawings:

Below in conjunction with accompanying drawing and enforcement the utility model is described in further detail

Fig. 1 is the utility model assembly structure front view:

Fig. 2 is Fig. 1 vertical view

Fig. 3 is Fig. 1 right view

Fig. 4 is the utility model fire pot front view up and down

Fig. 5 is Fig. 4 vertical view

Fig. 6 is the oil combustion gun front view

Fig. 7 is the three-dimensional installation diagram that decomposes of oil combustion gun

The specific embodiment:

As Fig. 1, shown in Figure 3, the utility model is made of last fire pot 1, following fire pot 2, noise elimination cylindrical shell 4, gas gun 3, oil combustion gun 5, altar lamp 7, air register 6 etc.Have the combustion air of certain blast or the natural air of the suction that combustion chamber draft causes, via air register 6, need to regulate air quantity by burning, air port by noise elimination cylindrical shell 4 enters the middle air channel of cylindrical shell, the inner core wall in its air channel is a porous plate, owing to embedded the noise elimination heat-preservation cotton between inner/outer tube, so form the splendid silencer of acoustically effective, can adsorb to eliminate more than 80% and flow and the noise of generation in the air channel high speed, thereby make burner in service being in the low noise state of burning by combustion air.The combustion air that flows in cylindrical shell air channel high speed flow the cylindrical shell top board long narrow air port and be compressed, thereby promoted the flow velocity of combustion air apace, when it through middle air channel high velocity stream shown in Figure 5 during to fire pot 1 air outlet, enter furnace cavity owing to break away from the air port on the one hand suddenly, burner hearth has certain negative pressure on the other hand, being compressed combustion air obtains swift and violent diffusion at a high speed thereby make, thereby at the fire pot interruption-forming wind speed of continual storing injection, around this strand wind speed, cause the extremely strong negative pressuren zone of suction.At this moment, air will be along next its negative pressuren zone of fuel vapor automatic stream of the equal uniform flow in several inclined-planes, the both sides of fire pot, with the combustion air powerful mixing, it mixes the even and abundant of ten minutes, after the altar lamp flame of lighting is lighted this mist, flame can be expanded fast, thereby has formed bright blue look upright and outspoken circular flame, makes burning be in normal condition.

Because these circular flame combustion characteristics are flame middle region combustion air endlessly, make burning can not form flame kernel, produce thereby fundamentally controlled burning localized hyperthermia, thereby its pollutant NOx existence amount is extremely low.

The utility model key also is on fire pot and the gas gun sprinkler design, several shower nozzle orifice angle of the present utility model is corresponding one by one with the angle on several inclined-planes of fire pot, the combustion gas of its ejection is evenly distributed on the fire pot inclined-plane on the other hand, by both sides fire pot mouth chamfer length guiding and the even powerful mixing of combustion air, so combustion flame is very even on top, inclined-plane, fire pot both sides, its ignition temperature also is very uniform.

Establishing on the juice of fire pot six side's profile bevel angles " α " " β " described in the utility model, the negative-pressure sucking that causes with combustion air must adapt, could guarantee air and fuel gas mixing uniformity and reliability like this, this just can make burning obtain fully with complete.

Oil combustion gun described in the utility model has original structure, and the details of its concrete structure now is described:

Oil gun comprises a gun platform, and gun platform is by the affixed two tubes of screw thread, and perforate taps into oil pipe, steam inlet pipe on gun platform.

Body of a gun middle part is made up of two tubes, overlaps oil pipe in the steam outer tube, and it is affixed that the steam pipe front end connects sleeve pipe 5 with screw thread and, and the oil pipe front end is affixed with screw thread and the one-level Room 1 that atomizes, and oil pipe, steam pipe rear end and gun platform join.

One-level spray chamber 1 by thread bush on oil pipe, there is a little oilhole 2 centre of one-level spray chamber, the middle part of one-level spray chamber is evenly distributed in oblique steam vent 3, tiltedly steam vent 3 center lines and oilhole 2 center lines form a α angle, the front end that overlaps in the cylindrical chamber of one-level spray chamber is a male cone (strobilus masculinus) 4, connects with secondary spray chamber 8.

The oil that when steam hole of one-level spray chamber 1 sprays at a certain angle oilhole gone out to adopt produces negative pressure, reaches vapour oil is carried out the purpose of storing injection, fully mixes simultaneously.

Secondary spray chamber 8 connects on the sleeve pipe 5 one by thread set, and the import department of secondary spray chamber is an inner conical surface 7.Connect with one-level spray chamber male cone (strobilus masculinus) 4, the outside of secondary spray chamber 8 is the nut shape of plane more than, and inside is a cylindrical space, and the head of shower nozzle 6 is a hemisphere 9.

Secondary spray chamber 8 is to dwindle area, to play power mouth pressure flow type pump with injection atomizing, also to have guaranteed the low fire that do not contract of oil gas simultaneously.

Nose circle perimeter surface at the hemisphere 9 of secondary spray chamber 8 is evenly equipped with three grades of expansion orifices 10, and the center line of orifice 10 and oil gun center line have a α angle.

Three grades of expansion orifices are the atomizings of expanding once more to the shower nozzle hole after making oily vapour through the strong mixed aerosol of two-stage, reach easy igniting, steady flame, clean-burning purpose.

Claims

1, a kind of combustion gas, the dual-purpose circular flame burner of fuel oil, be by last, following brazier brick, gas gun, oil combustion gun, the noise elimination cylindrical shell, formations such as air register, the upper end that it is characterized in that burner is provided with by upper brazier brick (1), the burning fire pot that following brazier brick (2) is formed, a circular air outlet is established at the brazier brick center, upper brazier brick (1) hexagon periphery is provided with the combustion gas of two different angles and adheres to flowing inclined plane, following brazier brick (2) hexagon periphery is provided with height some the gas guns (3) that differ, be provided with the oil combustion gun (5) that can produce circular flame at the fire pot center, on gas gun (3), be provided with a plurality of spray orifices that angle differs.

2, combustion gas according to claim 1, the dual-purpose circular flame burner of fuel oil, it is characterized in that the brazier brick lower end is embedded with noise elimination cylindrical shell (4) up and down, be provided with the porous inner cylinder of heat-preservation cotton in the noise elimination cylindrical shell (4), air register (6) is arranged on noise elimination cylindrical shell (4) lower end side.

3, combustion gas according to claim 1, the dual-purpose circular flame burner of fuel oil, the tubulose oil gun afterbody input oil body, the gas that it is characterized in that oil combustion gun (5), and divide two pipelines that oil, vapour are connected to the one-level spray chamber, connect the secondary spray chamber at one-level spray chamber protheca awl mouth, secondary spray chamber head outward appearance is hemispherical, being distributed with radial orifice above, is three grades of expansion orifices.

4, combustion gas according to claim 3, the dual-purpose circular flame burner of fuel oil is characterized in that oil gun comprises a gun platform, and gun platform is by the affixed two tubes of screw thread, and perforate taps into oil pipe, steam inlet pipe on the tube end gun platform.

5, combustion gas according to claim 3, the dual-purpose circular flame burner of fuel oil, it is characterized in that forming by two tubes in the middle part of the body of a gun, overlap oil pipe in the steam outer tube, it is affixed that the steam pipe front end connects sleeve pipe 5 with screw thread and, the oil pipe front end is affixed with screw thread and one-level spray chamber, and oil pipe, steam pipe rear end and gun platform join.

6, combustion gas according to claim 3, the dual-purpose circular flame burner of fuel oil, it is characterized in that one-level spray chamber 1 by thread bush at oil, inclined hole center line and oilhole center line form angle, are a male cone (strobilus masculinus) at the cylindrical sleeve front end of one-level spray chamber, connect with the secondary spray chamber.

7, combustion gas according to claim 3, the dual-purpose circular flame burner of fuel oil, it is characterized in that the secondary spray chamber connects on the sleeve pipe 5 one by thread set, the oral area of secondary spray chamber is an inner conical surface 7, connect with one-level spray chamber male cone (strobilus masculinus) 4, the outside of secondary spray chamber 8 is many planes nut shape, inside is a cylindrical space, and head is a hemisphere 9.

8, combustion gas according to claim 3, the dual-purpose circular flame burner of fuel oil is characterized in that the nose circle perimeter surface of the hemisphere 9 of secondary spray chamber 8 being evenly equipped with three grades of expansion orifices 10, and the center line of orifice 10 and oil gun center line have a α angle.