CN2722046Y - Pre-mixed ultrastrong burner with double channels and two stages - Google Patents

Abstract

The utility model discloses a pre-mixed ultra-strong burner with double channels and two stages. The head of the burner is formed into an intensified burning heating layer via a top surface outer layer (1) and a metal supporting plate layer (2) arranged at the top surface outer layer (1) and the inner layer. The outer layer of the top surface outer layer (1) is caused to be tightly fixed to the inner layer of the metal supporting plate layer (2) via a tight loop (3). The lower end of the metal supporting plate layer (2) is divided into two mixing gas chambers, and the center of the metal supporting plate layer (2) is a fire supplementary mixing gas chamber (4), and the through holes around the top of the fire supplementary mixing gas chamber (4) are equipped with fire supplementary mixing gas distribution balancers (5). The periphery of the fire supplementary mixing gas chamber (4) is equipped with main fire mixing gas chambers (6), and the bottoms of two mixing gas chambers are equipped with main fire mixing gas distribution balancers (7). The centers of the lower ends of the main fire mixing gas distribution balancers (7) and peripheral channels are formed into a double channel connection pipe (14) and connected with a mixer apparatus via the double channel connection pipe (14). The pre-mixed ultra-strong burner with double channels and two stages can adapt to various gas supply burning such as manufactured gas, natural gas and liquefied petroleum gas, etc., and the head of the burner is not needed to be displaced.

Description

Two sections superpower burners of fire of fully-premixed binary channels

1, technical field

The utility model belongs to a kind of fully-premixed superpower burner, is applied to the burner in thing group of civilian, commercial battalion and the industrial combustion equipment especially.

2, technical background

At present in the superpower fuel gas buring equipment both domestic and external, generally all adopt the burning of forced-air blast formula and utilize the middle and high pressure injection type combustion system of commercial and industrial combustion gas to reach overheavy firing under the high load capacity operating mode.

Advantage to the burning of forced-air blast formula is that thermic load is big, and the combustion high temperature district concentrates.Weak point is: because air and combustion gas mixing are to carry out outside burner head, thereby can produce air and combustion gas mixing is even inadequately, burner head and fire box temperature are also high, the periphery thermal radiation loss is big, next is that combustion noise is big, therefore defectives such as cast iron processing is heavy, and service life is short are subjected to its limitation in the use.

To adopting middle and high pressure injection mode to reach the high load capacity combustion conditions, realize that injection air ability reaches complete combustion effect owing to rely on the pressure of combustion gas own, the one, higher to the ejection cavity processing request, the 2nd, to combustion gas elevated pressures to be arranged, easily like this cause unnecessary accident potential, except that industry needs, generally should not adopt.

3, summary of the invention

The utility model provides a kind of two sections superpower burners of fire of fully-premixed binary channels such as thing group of civilian, commercial battalion, industrial burner that are applicable to, has solved in than small size to reach the high heat load harmonious combustion.Flame is concentrated and the superpower effect of strong completing combustion, reached low emission, high efficiency energy-saving and cost-reducing purpose and effect.

The novel superpower burner of the utility model design, the characteristics of structurally dividing the adjustable thermic load of main and auxiliary two sections fiery simultaneously operatings of premixed binary channels or staged operation, strengthened the flexibility on reality is used, especially used wider on the combustion apparatus such as commerce stir-fry stove, large stove and big-and-middle-sized heating hot water boiler to the high load capacity burning.

Design of the present utility model is, a kind of fully-premixed superpower burner, and its structure is made up of burner head and mixer apparatus two parts.Its burner head is characterised in that and carries out main and auxiliary fiery two sections fire burns on the same heating aspect, assists ignition combustor at median plane, and main ignition combustor is at periphery.Heating layer outer surface (top end face skin) is the synthetic metallic fiber material 1 of a special high temperature-resistant, its internal layer is a metal supporting plate layer 2, be divided into master 6,4 two air mixture chambers of auxilliary fire, the burner head and the binary channels tube connector 14 that promptly form two sections fire burns are called burner head (the interior left side of frame of broken lines section part in the accompanying drawing).The corresponding with it inner chamber of mixer apparatus (the interior right section part of frame of broken lines in the accompanying drawing) is separated into two passages up and down, its upper left side is the auxilliary fiery fuel gas inlet 12 of main fiery fuel gas inlet 8 and lower left, by main fiery gas flow distributor 15, lead to Shuan Tong Dao Even and take over 14 the fiery passage of skin master, the lower left is auxilliary fiery fuel gas inlet 12, by auxilliary fiery gas flow distributor 16, the auxilliary fiery passage of center internal layer that leads to binary channels tube connector 14, the right-hand member upper and lower is set to main fire wind amount adjustable plate 9 and auxilliary windburn amount adjustable plate 11 respectively, all be connected on total fan interface 10 of right tail end, constitute binary channels combustion gas and air mixer device, so just formed whole two sections superpower burners of fire of fully-premixed binary channels.

The utility model makes full use of the principle of air fully pre-mixing gas combustion overheavy firing, structurally break the constraint that the monomer premixed combustion can't be cut apart on same burning web plate, taked inside to cut apart main and auxiliary fiery air mixture chamber 6,4, increase main and auxiliary fiery air mixture distributing equilibrium device technology 7,5, reached main and auxiliary ignition combustor evenly and the completing combustion purpose.

4, description of drawings

Below, with reference to accompanying drawing, for those skilled in the art that, to the detailed description of the present utility model, above-mentioned and other purposes of the present utility model, feature and advantage will be apparent.

Fig. 1 is the principle profile of the utility model embodiment.

5, the specific embodiment

Below in conjunction with accompanying drawing, by non-limiting example explanation the utility model.It in the accompanying drawing 1 principle schematic of two sections superpower burners of fire of the fully-premixed binary channels of a kind of preferred embodiment of the utility model.This premixed intensified burner mainly is made up of burner head (the interior left side of frame of broken lines section part in the accompanying drawing) and mixer apparatus (the interior right section part of frame of broken lines in the accompanying drawing) institute.The overheavy firing heating layer that burner head is made up of for internal layer overlapping tight composite bed together for burning surface layer (top end face skin) and metal supporting plate layer 2 the synthetic metallic fiber material 1 of special high temperature-resistant.Metal supporting plate layer 2 outer end and the welding of limit, burner head shell 13 top mouth, tight loop 3 are close to synthetic metallic fiber material 1 skin of special high temperature-resistant and are fixed on metal supporting plate layer 2 internal layer, and outer synthetic metallic fiber material 1 can be dismantled.

Be divided into main and auxiliary fiery two air mixture chambers in the lower end of metal supporting plate floor (internal layer) 2; The center is auxilliary fiery air mixture chamber 4, and through hole is auxilliary fiery air mixture distributing equilibrium device 5 around its top, and the center that the burner heating layer is delivered in pre-mixed combustion gas and air equilibrium is assisted in the fire burns district and carried out overheavy firing.The periphery of its auxilliary fiery air mixture chamber 4 is main fiery air mixture chamber 6, it is pre-mixed combustion gas and air to be taken over the master fiery air mixture distributing equilibrium device (guide hole plate) 7 of the fiery passage of 14 outer field masters by the bottom by the two logical road Even in burner head lower end arrive main fiery air mixture chamber 6, balanced again deliver to the synthetic metallic fiber material 1 of the outer special high temperature-resistant of combustion heating floor carry out overheavy firing in the main fire burns district on every side.So just constituted the superpower burner head (the interior left side of frame of broken lines section part in the accompanying drawing) of main and auxiliary fiery two sections fire.Center, lower end, bottom and border passage at burner head are binary channels tube connector 14, exit is the blue face (dotted line left and right end spaced intermediate in the accompanying drawing) of method, all distinguish corresponding with it right side section part and be the blue face connection of the left end method of mixer apparatus, promptly become the integral body that burner head (left side section part) and mixer apparatus (right section part) consist of two sections superpower burners of fire of a fully-premixed binary channels after connecting.

Right section part: the blue face of its left end method is connected with the blue face of bilateral deferent 14 methods of section part lower end, a left side, and the top is main fiery fuel gas inlet 8, by main fiery gas flow distributor 15, to control main fiery rated heat input, rated heat load.The below is auxilliary fiery fuel gas inlet 12, by auxilliary fiery gas flow distributor 16, to control auxilliary fiery rated heat input, rated heat load.Upper and lower in the rear end of fuel gas inlet (right-hand member) is provided with corresponding with it main fire wind amount adjustable plate 9 and auxilliary windburn amount adjustable plate 11 respectively, total blast volume is connected with blower fan by the total fan interface 10 of its right tail end, form the binary channels of combustion gas and air, so just constituted combustion gas and Air mixing device.Pre-mixed combustion gas and Air mixing combustion gas delivered to the main and auxiliary fiery air mixture of burner head chamber 6,4 respectively by main and auxiliary fiery passage, on the synthetic metallic fiber material 1 of combustion heating layer (skin) special high temperature-resistant, carry out balanced completing combustion thereafter.

Operating process: open blower fan earlier, the air that will have certain blast is delivered on total air channel interface 10, and then with air respectively by main fire wind amount adjustable plate 9 and auxilliary windburn amount adjustable plate 11, deliver in the passage of main fiery fuel gas inlet 8 and auxilliary fiery fuel gas inlet 12, to ignite earlier and light or open automatic igniting this moment, kindling material is at combustion heating layer (skin)---(the auxilliary fiery square position, vertical view center in the accompanying drawing, upper end of the synthetic metallic fiber material 1 of special high temperature-resistant, promptly near main fiery outer closest approach), open the master then respectively entirely, auxilliary fuel gas inlet valve, regulate required rated pressure of combustion gas and master simultaneously, auxilliary windburn amount adjustable plate 9,11 regulate required air quantity, it is ultrashort royal purple flame that order is examined the burner heating layer, make combustion gas and the air air mixture adjusted pass through main respectively, auxilliary fiery air mixture distributing equilibrium device 7,5, deliver to the master again, the muzzle velocity of the air mixture that is fully mixed in the air mixture chamber 6 and 4 of auxilliary fire and keep in balance, then with air mixture by the combustion heating layer---special high temperature-resistant synthesizes on the metallic fiber material layer 1 strengthens completing combustion.

The length of combustion flame depends primarily on combustion gas and air mixed proportion, and more as the air mixing, then combustion flame is a hardware features; Flame is the hyacinthine short-flame, even the burning surface floor is the active combustion in dark red district.Mix more after a little while as air, then flame is software feature; Flame elongates and is blue-green, makes the burning neutralization and soft softening.Each several part shown in the Figure of description has been expressed the structural principle of two sections superpower burners of fire of fully-premixed binary channels.

The utility model is compared with present conventional art, and its main feature is: the superthermal intensity burning that 1, has multiple high temperature resistant synthetic web plate heating layer material; 2, on same resistant to elevated temperatures combustion heating layer, can adapt to the burning of multiple sources of the gas such as artificial coal gas, natural gas, liquefied petroleum gas and biogas, and the degree of amplitude modulation with main and auxiliary burning hot load is big, reach not tempering of fuel gas buring, do not take off the stable and balanced completing combustion of fire and no yellow flame; 3, have ultralow CO and NOx discharge index in the combustion product gases, meet and improve the little environment protection requirement of environmental pollution; 4, the burner head structure is light-duty and firm, and technology is simple.Combustion heating layer material long service life, and be easy to dismounting and change; 5, combustion noise is low, the thermal efficiency is high; 6, burner can be according to different process equipment needs, and the combustion front angle can adapt to 0～360.Interior arbitrarily angled middle smooth combustion.

Two sections superpower burners of fire of fully-premixed binary channels in sum are applicable to various combustion apparatus in civilian, the commercial and industrial combustion field.

More than all embodiment only for the usefulness of explanation the utility model, but not to restriction of the present utility model, so all technical schemes that are equal to also should belong to category of the present utility model and should be limited by each claim.

Claims (4)

1, two sections superpower burners of fire of a kind of fully-premixed binary channels is characterized in that,

Described burner comprises interconnected burner head and mixer apparatus two parts composition, described burner head is by top end face skin (1), the metal supporting plate layer (2) that is arranged on described top end face skin (1) and internal layer is formed the overheavy firing heating layer, tight loop (3) is close to top end face skin (1) skin and is fixed on metal supporting plate layer (2) internal layer, the lower end of described metal supporting plate floor (2) is divided into two air mixture chambers, the center is auxilliary fiery air mixture chamber (4), through hole is auxilliary fiery air mixture distributing equilibrium device (5) around its top, the periphery of described auxilliary fiery air mixture chamber (4) is main fiery air mixture chamber (6), the bottom of described two air mixture chambers is provided with a main fiery air mixture distributing equilibrium device (7), the center, lower end of the fiery air mixture distributing equilibrium of described master device (7) and border passage form binary channels tube connector (14), and described burner head links to each other with mixer apparatus by binary channels tube connector (14).

2, two sections superpower burners of fire of fully-premixed binary channels according to claim 1 is characterized in that,

The corresponding connection of right-hand member flange face of described mixer apparatus left end flange face and binary channels tube connector (14), its inner chamber is separated into two passages up and down, there is main fiery fuel gas inlet (8) on the upper left side, by main fiery gas flow distributor (15), the fiery passage of skin master that leads to binary channels tube connector (14), the lower left is auxilliary fiery fuel gas inlet (12), by auxilliary fiery gas flow distributor (16), the auxilliary fiery passage of center internal layer that leads to binary channels tube connector (14), the right-hand member upper and lower is set to main fire wind amount adjustable plate (9) and auxilliary windburn amount adjustable plate (11) respectively, total fan interface (10) of its right tail end is connected with external blower fan, has constituted the binary channels mixer apparatus of combustion gas and air.

3, two sections superpower burners of fire of fully-premixed binary channels according to claim 2 is characterized in that,

Described burner head shell (13) is to be stamped to form by stainless guiding principle plate, comprises circle, square, rectangle and the multiple shape of other bent limit shape, and the aperture of metal supporting plate layer (2) and main fiery air mixture distributing equilibrium device (7) comprises circular hole, oblong aperture shape.

4, two sections superpower burners of fire of fully-premixed binary channels according to claim 2 is characterized in that,

Described burner head is by the outer synthetic metallic fiber material of special high temperature-resistant that adopts of top end face.

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