CN209569723U - A kind of upper inlet wind type burner - Google Patents

Abstract

The utility model relates to a kind of upper inlet wind type burners, include pedestal, and the first injector and the second injector of phase independent separate are accommodated in the pedestal；Connector on the base is set, the central location of its inner tray has the first vertical ejector pipe, outer disk body is provided at least two second ejector pipes independent, it is characterized by also including have drip pan, the air supply passage of supplement air is formed between drip pan and the bottom wall of connector, position of splitter is provided in air supply passage, compared with prior art, the utility model has the advantage of the compartmentations of position of splitter to form three independent air supply passages, primary air and supply of the high temperature of thermal current and burner after effectively avoiding burning to supply to the first injector and the second injector go out flame range domain to the first mixing chamber, second mixing chamber goes out the mutual Involving velocity of the auxiliary air in flame range domain, effectively improve gas supply effect, so that upper inlet wind type burner is less prone to Huang Yan, the defects of tempering.

Description

A kind of upper inlet wind type burner

Technical field

The utility model relates to the combustions of the kitchen range of the burner of gas cooker more particularly to a kind of twin-channel upper wind inlet type of band Burner.

Background technique

Currently, for example platform-type gas furnace of top intaking air gas combustion stove and embedded gas stove on the market, wherein embedded combustion gas The burner of furnace is single channel top air inlet structure, and combustion gas is entered by a channel, controls combustion gas firepower, Wu Fadan by valve Solely use interior pyrosphere combustion gas.To solve single channel, that is, no independent central flame, and the problem that thermic load is small, one application No. is It is simple that the Chinese patent of CN98120026.5 (Publication No. CN1212348A) discloses a kind of structure, can separately adjustable central flame With the gas burner of outer ring fire, i.e., this burner is typically provided a central-injection device and an outer ring injector, but this Kind gas burner finds that its combustibility is not ideal enough in an experiment, and primary air is supplied to flame of centre head and external flame The speed of head is uneven, and since the air-breathing of central-injection device and outer ring injector is uneven, combustion gas and primary air it is incomplete Mixing will also result in central flame and the length of flame of outer ring fire is different, meanwhile, ejector pipe is limited by upper inlet wind type burner height, It cannot be made too long, cause channel resistance big, easily occur yellow flame when power is big, especially in small fire gear, Huang Yan is become apparent from. And in order to solve the problems, such as that upper inlet wind type burner ejector pipe cannot be made too long, a Patent No. ZL200680014368.7 (is awarded Power notification number " has the gas stove high power of multiple concentric flame crowns is double to fire for the Chinese invention patent of CN101166934B) Burner " it provides a kind of burner and is provided with minimum four mixing venturi chambers, one above first jet have it is vertical The cavity with tilt axis that the center cavity of straight axis and minimum three uniform intervals are provided with, respectively by different nozzles Supply, due to four venturi chambers burner in the case where, although three cavitys with tilt axis may make and not change The biggish combustion heat can be obtained in the case where the height for becoming integral burner, but still can't resolve the first of centrally located cavity The relative distance of nozzle and central Venturi mixing chamber, the reason is that the double burner includes the circle positioned at below the panel Shape tub-shaped body, that is, term " bottom cup ", in the case where not changing the height of integral burner, central Venturi mixing chamber Height still cannot do length, and length is still shorter, so that the corresponding inner ring flammability of central Venturi mixing chamber is still not Enough ideals, finally, the corresponding cavity with tilt axis of the external ring fire cover of this gas burner, however it remains meeting so that outside The gaseous-pressure of the circumferentially arranged fire hole outflow of ring fire cover is uneven, and the flame of the outer ring fire generated so as to cause external ring fire cover is not Uniformly, non-uniform in order to avoid leading to the problem of flame, it needs to be improved further existing upper inlet wind type burner.

Currently, the mode of upper inlet wind type burner supplement air is the mode of upper air, when such burner combustion, is required Primary air enters in ejector pipe from above cooktop, but due to the ejector action of combustion heat air-flow, inside and outside fire cover can be by mixed Gas chamber volume inhales primary air and auxiliary air, and inner and outer rings can influence each other when volume inhales auxiliary air in order to prevent, realizes simultaneously The full combustion of inner and outer rings also needs to be improved further.

Utility model content

First technical problem to be solved in the utility model is to provide a kind of energy for above-mentioned state of the art Effectively avoid inner and outer rings interactional upper inlet wind type burner when volume inhales primary air and auxiliary air.

Second technical problem to be solved in the utility model is to provide one kind for above-mentioned state of the art and exist In the case where the height for not changing integral burner, the length of the corresponding ejector pipe of central mixing chamber can effectively be done long enterprising Wind combustor.

Third technical problem to be solved in the utility model is to provide one kind not for above-mentioned state of the art The cooker burner of yellow flame and firepower inability easily occurs.

4th technical problem to be solved in the utility model is to provide one kind not for above-mentioned state of the art Easily because the combustion gas that injector blocking occurs is flowed backward, so as to cause the cooker burner of explosion.

Technical solution adopted by the utility model to solve the above technical problems is as follows: the upper inlet wind type burner, includes: base , mutually independent first injector and at least two is accommodated in the pedestal is located at the second of the first injector periphery Injector；

Connector is arranged on the pedestal, includes inner tray and outer disk body that concentric spacing is arranged, the inner disc The central location of body has the first vertical ejector pipe, and the outer disk body is circumferentially, to be arranged at intervals at least two respectively independent The second ejector pipe, second ejector pipe have the inclined axis of relative level, first ejector pipe and described first Injector is oppositely arranged, and second ejector pipe is oppositely arranged with second injector；And

Fire cover includes interior ring fire cover and external ring fire cover, is respectively correspondingly arranged on the inner tray and outer disk body, And the first centrally located mixing chamber is formed between the interior ring fire cover and the inner tray, the external ring fire cover with The second mixing chamber for being located at periphery is formed between the outer disk body；First mixing chamber corresponds to first ejector pipe, institute The second mixing chamber is stated corresponding to second ejector pipe；

It is characterized by also including there is a drip pan, the periphery wall of the pedestal in the lower section of second injector also to Periphery is extended with the boss that can support the drip pan, and supplement air is formed between the drip pan and the bottom wall of the connector Air supply passage, be provided with position of splitter in the air supply passage, the position of splitter by the air supply passage be separated into three it is opposite Independent first air supply passage, the second air supply passage and third air supply passage, the first air supply passage connection external world and first The flame range domain out for going out flame range domain and second mixing chamber of mixing chamber；In the second air supply passage connection external world and the cavity First injector；The third air supply passage connection external world and second injector.

In order to avoid inner and outer rings influence each other when volume inhales primary air and auxiliary air, the position of splitter includes edge The inside edge of the bottom wall circumferential direction of the connector, spaced U-shaped gusset, each U-shaped gusset passes through annular ring phase It connects, is formed with the first gap between two vertical baffles of each U-shaped gusset, is formed between the adjacent U-shaped gusset Second gap, first gap and the second gap are connected to atmosphere, form mutually independent for into the cavity The third air supply passage of two injector tonifying Qi and for the second air supply passage to the first injector tonifying Qi.

It is described in order to preferably make position of splitter that the first injector and the second injector is isolated in air duct with being split into Position of splitter includes the top plate of two vertical baffles of U-shaped gusset described in partial mulching, and the top plate is adjacent to annular ring and height It is arranged in the position of second injector.

In order to more preferably make position of splitter by air flow at respectively corresponding into the first injector and the second injector and In the tonifying Qi chamber surrounded between inner tray and outer disk body, be supported with jointly on the outboard end of each top plate a ring shape every Plate, and there is the third space entered in the cavity for air between the bottom of inner tray in the connector.Annular every The tonifying Qi chamber that plate can surround the air barrier a part for entering the first injector between inner tray and outer disk body, with preferably Auxiliary air is supplemented for the flame range domain that goes out for going out flame range domain and the second mixing chamber of the first mixing chamber.

Further, two vertical baffles of the U-shaped gusset gradually inclination upwards from the outside to the core, the outboard end of the top plate Demarcation plate, the upper surface of the demarcation plate and the external disk are extended with partially along the second gap between the adjacent U-shaped gusset There is the 4th gap, the 4th gap connection atmosphere is formed for being connected to extraneous going out with the first mixing chamber between the bottom of body First air supply passage for going out flame range domain in flame range domain and second mixing chamber.

Preferably, in order to realize the cooperation of position of splitter Yu the second ejector pipe, so that shape between position of splitter and the second ejector pipe At third air supply passage is more independent, the first side wall and second sidewall of the demarcation plate are also to respectively to the adjacent U The circumferentially extending of the first gap, with the first gap described in partial mulching, the first side wall and second are formed by between type gusset Side wall collectively forms the notch for second ejector pipe insertion together with the outboard end of the top plate.

Further, it is used for first being originally just first divided into air in advance of burner in order to enter in outside air Injector and the second injector supplement the supplement channel of primary air and for going out flame range domain and second to the first mixing chamber The supplement channel for going out flame range domain supplement auxiliary air of mixing chamber, the outer periphery of the demarcation plate are also prolonged to the outer disk body level It stretches, and between the drip pan and the connector.

The utility model is to solve second technical problem and provide following scheme, and the pedestal has hollow columnar portion Position, the roof of the hollow posts, which is recessed downwards, is formed with cavity, and pedestal also has periphery wall in the periphery of the cavity peripheral wall；It is described The first injector i.e. be arranged on the bottom wall of the cavity, first ejector pipe is oppositely arranged with first injector； Second injector is then arranged on the periphery wall of the pedestal, and each second injector draws with corresponding described second Pipe is penetrated to be oppositely arranged.

In order to enable the second injector relative close at a distance from the air intake of the second ejector pipe, improves ejector capacity；Institute The second injector stated is above first injector.

In order to avoid the length of the corresponding ejector pipe of central mixing chamber of upper inlet wind type burner in the prior art cannot do length Defect, the utility model proposes following improvement project, the pedestal the cavity peripheral wall periphery at least have one Independent periphery chamber, the upper end outlet of the cavity are connected with first ejector pipe, the upper end seal of the periphery chamber It closes as cecum, the lower part of each periphery chamber is interconnected, and the periphery chamber is arranged in second injector On the peripheral wall of top.

Certain periphery chamber can be a periphery chamber being mutually communicated, or multiple relatively independent to set The multiple periphery chambers set, and be mutually communicated in bottom have effectively achieved the first injector and by means of the closed end The phase fluid of two injectors separates, to allow user individually to control into fuel mixture in the first ejector pipe and the second ejector pipe Inflow.

When periphery chamber is a periphery chamber being mutually communicated, the lower end of the periphery chamber is open for opening End, the pedestal further includes having pedestal, and the center of the pedestal is upward convex to be equipped with flange collar, and the lower end of the periphery chamber is resisted against In the flange collar.

In order to realize the stability of burner entirety and the convenience of installation, the bottom of the pedestal further includes having to be located at The convex annular wall of the flange collar periphery, is connected between the flange collar and convex annular wall by dowel, the convex annular wall Lower section is downwardly convex to be equipped with convex block, and the convex block is equipped with mounting hole.

The design scheme of the utility model focuses on omitting the conventional bottom cup being located under drip pan, but makes Pedestal is locally higher than on drip pan, on the one hand can make the second injector at a distance from the air intake of the second ejector pipe relatively Closely, ejector capacity is improved；On the other hand it can also make pedestal that there is the space protruded into for the first ejector pipe, enable the first ejector pipe It is made longer, further includes having drip pan, the peripheral wall of the periphery chamber is extended with to the periphery in the lower section of second injector Boss, the boss can support the drip pan.

In order to enable the second injector relative close at a distance from the air intake of the second ejector pipe, improves ejector capacity, institute Stating the second ejector pipe is radial venturi, and the inner edge of the outer disk body is arranged in, the air intake of second ejector pipe It is extended inwardly in the tonifying Qi chamber surrounded between inner tray and outer disk body to the direction of the inner tray.Certain the utility model can It, can also be with tubulose knot the second ejector pipe to be fully defined in the inner edge of outer disk body and in convergence-diffusion tubular structure Structure part is formed in fire cover, is partially formed in outer disk body.

It is covered with external ring fire cover on outer disk body for convenience, the outer periphery of the outer disk body is then along second injector Gas outlet in extending in horizontal direction, and the outer periphery of outer disk body outer end it is upward convex be equipped with outer ring wall, described second draws Penetrate pipe tube wall it is upward convex be equipped with inner ring wall, be covered with external ring fire cover above the inner ring wall and outer ring wall, it is described in Circle wall surface, outer ring wall, external disk body outer periphery and external ring fire cover enclose jointly and are set as second mixing chamber.

Further, the external ring fire cover includes annular top wall and the inside edge from the annular top wall, outer ledge Internal ring wall, the external annulus extended obliquely downward, the internal ring wall offset with the inner ring wall, the external annulus and the outer ring Wall surface offsets, and the internal ring wall, which is circumferentially spaced, offers outer fire hole.

It being shelved on the pedestal in order to facilitate inner tray, the top of the pedestal has the upper edge extended outward, and And the inner tray is also had at least two downwardly projecting raised lines and is shelved on the top upper edge of the cylinder with this.

It is controlled to meet burner combustion gas firepower by valve regulated, can be used simultaneously inside and outside ring fire, also can be used alone Interior ring fire, especially in inside, the flame Flame of center and external circumferencial direction have turbulent flow and interference substantially, goes back simultaneously With the cooking function of small fire, has recessed from bottom to top inside the interior ring fire cover and first ejector pipe is supplied to protrude into Groove, the groove and the inner tray, which enclose to set, constitutes first mixing chamber, and the periphery wall of the interior ring fire cover offers endogenous fire Hole.

The utility model is to solve third technical problem in order to prevent from being located on drip pan due to the second injector Brought discharge is easy the second injector, and the problem of bring blocking, the outer of the inner tray is outward extended with outer edge, The inner ring wall of the outer edge and the second injection tube wall offsets, and the outer edge is constituted above second injector Rain visor.

Interval in order to effectively carry out the supply of primary air to the first injector in cavity, between the outer edge It constitutes and connects the tonifying Qi chamber and the first extraneous air intake, the interval between the raised line, which is constituted, connects the tonifying Qi chamber and institute State the second air intake of cavity, first air intake and the second air intake configured in fluid communication.The fuel of first mixing chamber mixes Directly by the first injector, the first ejector pipe is supplied object, while the mixture of the second mixing chamber is directly by the second injector, Second ejector pipe is supplied, and is separated with the first mixing chamber and the second mixing chamber fluid, thus can individually be supplied to it.

Compared with prior art, the utility model has the advantage of eliminating the conventional bottom cup being located under drip pan, But it is locally higher than pedestal on drip pan, on the one hand it can make the second injector at a distance from the air intake of the second ejector pipe Relative close improves ejector capacity；On the other hand traditional outer ring mixing chamber and inner ring mixing chamber are also designed to separate structure, Taken after external ring fire cover when cleaning, only remain inner ring mixing chamber and it is basic be in plane drip pan, it is easy to clean, and drip pan have it is fixed Effect to drain soup is dryouied the phenomenon that forming drip pan blackening with can effectively prevent soup discharge, and realization is easy to clean, together When connecting plate and drip pan between to considerably increase supply logical to the primary air of the first injector and the second injector in gap Road and the extraneous auxiliary air supplement channel for going out flame range domain for going out flame range domain, the second mixing chamber with the first mixing chamber of connection Area, and the compartmentation of position of splitter forms three independent air supply passages, the thermal current and burner after effectively avoiding burning High temperature to supply to the primary air of the first injector and the second injector and supply to the first mixing chamber go out flame range domain, Second mixing chamber goes out the mutual Involving velocity of the auxiliary air in flame range domain, effectively improves gas supply effect, so that upper air inlet fires The defects of flame of burner is short, uniform and strong, is not in Huang Yan, tempering.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of 1 upper inlet wind type burner of the utility model embodiment；

Fig. 2 is the decomposition texture schematic diagram (omitting position of splitter) of Fig. 1；

Fig. 3 is the cross-sectional view of mono- angle of Fig. 1；

Fig. 4 is the cross-sectional view of another angle of Fig. 1；

Fig. 5 is the structural schematic diagram of position of splitter in the utility model embodiment 1；

Fig. 6 is the cross-sectional view of position of splitter in Fig. 5；

Fig. 7 is the structural schematic diagram of base bottom in the utility model embodiment 1；

Fig. 8 is the structural schematic diagram of connector bottom surface in the utility model embodiment 1；

Fig. 9 is the positive structural schematic diagram of connector in the utility model embodiment 1；

Figure 10 is the structural schematic diagram of position of splitter in the utility model embodiment 2；

Figure 11 is the cross-sectional view of position of splitter in Figure 10；

Figure 12 is the structural schematic diagram (omitting position of splitter) of 3 upper inlet wind type burner of the utility model embodiment；

Figure 13 is the decomposition texture schematic diagram (omitting position of splitter) of Figure 12；

Figure 14 is the cross-sectional view of Figure 12；

Figure 15 is the cross-sectional view of base bottom in the utility model embodiment 3.

Specific embodiment

The utility model is described in further detail below in conjunction with figure embodiment.

Embodiment 1

It as shown in figure 1-9, is the most preferred embodiment of the utility model, this upper inlet wind type burner is applicable to traditional upper Air inlet burner is equally applicable to the Italian saba husband burner such as Europe, which includes pedestal 1, base The first injector 11 and at least two that phase fluid separation is accommodated in seat 1 is located at the second peripheral injector of the first injector 11 12；The present embodiment is 4, such as in burner of the tool there are two venturi type lumen, in order to obtain 4kW, each individually text Mound formula lumen must be by load 2kW；In tool there are four in the case where the burner of venturi type lumen, each venturi type lumen is reduced Load to 1.25kW, subtract 62.5%, it is 5kW that maximum power, which can be obtained,；And the connector 2 on pedestal 1 is set, the company Junctor 2 includes the inner tray 21 and outer disk body 22 of concentric spacing setting, and the central location of inner tray 21 has vertical first Ejector pipe 211, outer disk body 22 circumferentially, be arranged at intervals with four the second ejector pipes 221 independent, the second ejector pipe 221 With the inclined axis of relative level；And fire cover, the fire cover include interior ring fire cover 3 and external ring fire cover 4, respectively correspondingly Be arranged on inner tray 21 and outer disk body 22, and be formed between inner tray 21 the first centrally located mixing chamber 31, The second mixing chamber 40 for being located at periphery is formed between outer disk body 22；First mixing chamber 31 correspond to the first ejector pipe 211, second Mixing chamber 40 corresponds to the second ejector pipe 221；Pedestal 1 has hollow columnar position, and the roof of the hollow posts is recessed to be formed downwards There is cavity 13, the bottom wall of cavity 13 is equipped with the first injector 11, and the first ejector pipe 211 can be protruded into cavity 13 and be sprayed with first Emitter 11 is oppositely arranged；Pedestal 1 also has periphery wall in the periphery of 13 peripheral wall of cavity；Pedestal 1 is arranged in second injector 12 On periphery wall, each second injector 12 is oppositely arranged with corresponding second ejector pipe 221, and the second injector 12 is higher than The setting of first injector 11, the peripheral wall of periphery chamber 14 is extended with to the periphery in the lower section of the second injector 12 can support drip pan 6 boss 141, so that the design scheme of the utility model can omit the conventional bottom cup being located under drip pan 6, but It is locally higher than pedestal 1 on drip pan 6, on the one hand can make the air intake of the second injector 12 and the second ejector pipe 221 Apart from relative close, ejector capacity is improved；On the other hand it can also make pedestal 1 that there is the space protruded into for the first ejector pipe 211, make The first ejector pipe 211 can be made longer, pedestal 1 includes centrally located cavity 13 and independent around one of cavity 13 Periphery chamber 14, the second injector 12 are arranged higher than the first injector 11, and the peripheral wall of periphery chamber 14 is in the second injector 12 Lower section is extended with boss 141 to the periphery, and boss 141 can support drip pan 6.

The upper end outlet 131 of the cavity 13 of the present embodiment is connected with the first ejector pipe 211, the upper end seal of periphery chamber 14 It closes as cecum, the open lower end of periphery chamber 14 is open end, and pedestal 1 further includes having pedestal 5, and the center of pedestal 5 is upward convex Equipped with flange collar 51, the lower end of periphery chamber 14 can be resisted against in flange collar 51, and wherein periphery chamber 14 is individually open and with each the Two injectors 12 are connected, and the second supply conduit supplied to the second injector 12 can be made to spray into first carrying out in periphery chamber 14 Buffering, then respectively enter corresponding second injector 12.And in order to realize the stability and installation of burner entirety Convenience, the bottom of pedestal 1 further includes the convex annular wall 52 having positioned at 51 periphery of flange collar, between flange collar 51 and convex annular wall 52 It is connected by dowel 53, the lower section of convex annular wall 52 is downwardly convex to be equipped with convex block 521, and convex block 521 is equipped with mounting hole 5211. And the second ejector pipe 221 being oppositely arranged with the second injector 12 is radial venturi, and the inner circumferential of outer disk body 22 is arranged in Edge, and in order to improve the ejector capacity of the second ejector pipe 221, the air intake of the second ejector pipe 221 is to the direction of inner tray 21 It extends inwardly in the tonifying Qi chamber 7 surrounded between inner tray 21 and outer disk body 22, so that the second ejector pipe 221 is made more It is long, closer from the second injector 12.And the outer periphery 222 of outer disk body 22 then the gas outlet along the second injector 12 in horizontal direction Upper extension, and the outer end of the outer periphery 222 of outer disk body 22 is upward convex equipped with outer ring wall 2221, the pipe of the second ejector pipe 221 Wall is upward convex to be equipped with inner ring wall 2211, is covered with external ring fire cover 4, inner ring wall above inner ring wall 2211 and outer ring wall 2221 Face 2211, outer ring wall 2221,22 outer periphery 222 of outer disk body and external ring fire cover 4 enclose jointly and are set as the second mixing chamber 40, outer ring Fire cover 4 includes annular top wall 41 and the internal ring wall that extends obliquely downward from the inside edge of the annular top wall 41, outer ledge 42, external annulus 43, internal ring wall 42 offset with inner ring wall 2211, and external annulus 43 offsets with outer ring wall 2221, and internal ring wall 42 weeks It is spaced apart to ground equipped with outer fire hole 421, such fit system can make external ring fire cover 4 be easier to be assemblied on outer disk body 22.

In addition, inner tray 21 is shelved on pedestal 1 for convenience, the top of pedestal 1 has the upper edge extended outward 15, and inner tray 21 is also had there are four downwardly projecting raised line 210 and is shelved on the top upper edge 15 of pedestal 1 with this. With groove that is recessed from bottom to top and supplying the first ejector pipe 211 to protrude into inside interior ring fire cover 3, which encloses with inner tray 21 is set The first mixing chamber 31 is constituted, the periphery wall of interior ring fire cover 3 offers interior fire hole 32.The outer of inner tray 21 is outward extended with outside Edge 212, outer edge 212 and the inner ring wall 2211 of 221 tube wall of the second ejector pipe offset, and outer edge 212 constitutes the second injector The rain visor of 12 tops.The second spray is easy since the second injector 12 is located at brought discharge on drip pan 6 in order to prevent Emitter 12, and the problem of bring blocking, the interval between outer edge 212 constitutes connection tonifying Qi chamber 7 and the first extraneous air intake 71, the interval between raised line 210 constitutes the second air intake 72 of connection tonifying Qi chamber 7 and cavity 13, the first air intake 71 and second 72 configured in fluid communication of air intake.

With reference to Fig. 3, as described above, primary air, combustion gas and mixed primary air and combustion gas are in burner internal Path (referring to dotted arrow) is as follows, due to the first injector 11, to the gas in the first ejector pipe 211 and the first mixing chamber 31 Low pressure caused by injection, and will be primary empty by the kinetic energy of combustion gas itself by the first air intake 71 and the second air intake 72 For gas from the cavity 13 of extraneous sucking pedestal 1, the premix for carrying out primary air and combustion gas finally enters the first mixing chamber 31, mixes Rear primary air and combustion gas are finally by the interior fire hole 32 of interior ring fire cover 3 and together with the auxiliary air of external environment by point Combustion forms interior ring fire.And fire cover further includes having the periphery fire that can enable users to individually control, the periphery required primary air of fire and Combustion gas is input in the second mixing chamber 40 by the second ejector pipe 221 independently of the first ejector pipe 211, meanwhile, the second mixing chamber 40 separate with the first mixing chamber 31, realize the fluid separation of the second mixing chamber 40 and the first mixing chamber 31 by this method, then may be used Individually to be supplied to it, to allow user individually to control into fuel in the first ejector pipe 211 and the second ejector pipe 221 The inflow of mixture, to adjust the size of periphery fire and central flame, adjusting, which is connected to, is set to 1 periphery of pedestal and 13 phase of cavity First air inlet pipe 9 of connection and the regulating valve for the second air inlet pipe 10 being connected with periphery chamber 14.

And in order to effectively avoid the high temperature of thermal current and burner after burning to supply to the first injector and second The primary air of injector and supply go out the secondary sky in flame range domain to the flame range domain out of the first mixing chamber 31, the second mixing chamber 40 The mutual Involving velocity of gas forms the air supply passage of supplement air, in air supply passage between drip pan 6 and the bottom wall of connector 2 It is provided with position of splitter 100, air supply passage can be separated into three the first relatively independent air supply passages 101, second by position of splitter 100 Air supply passage 102 and third air supply passage 103, the first air supply passage 101 are connected to extraneous and the outer fire hole 421 of the first mixing chamber 31 Fire hole 32 goes out flame range domain in flame range domain and the second mixing chamber 40 out；Second air supply passage 102 is connected in extraneous and cavity 13 First injector 11；Third air supply passage 103 is connected to extraneous and the second injector 12.

Position of splitter 100 include along connector 2 bottom wall is circumferential, spaced U-shaped gusset, each U-shaped gusset it is interior Side edge is connected by annular ring 104, is formed with the first gap 106, phase between two vertical baffles 105 of each U-shaped gusset The second gap 107 is formed between adjacent U-shaped gusset, the first gap 106 is connected to atmosphere with the second gap 107, is formed mutually only Vertical third air supply passage 103 for from 12 tonifying Qi of the second injector to cavity 13 and for 11 tonifying Qi of the first injector The second air supply passage 102.In order to preferably make position of splitter 100 that air duct is isolated to 11 He of the first injector with being split into Second injector 12, position of splitter 100 include the top plate 108 of two vertical baffles 105 of the U-shaped gusset of partial mulching, and top plate 108 is adjacent Nearly annular ring 104 and the position setting for being higher than the second injector 12.In order to more preferably make position of splitter 100 by air flow ingredient The tonifying Qi chamber 7 surrounded between the first injector 11 and the second injector 12 and inner tray 21 and outer disk body 22 Dui Ying not entered In, a circle annular partition 109, and the bottom with inner tray 21 in connector 2 are supported on the outboard end of each top plate 108 jointly Between have and enter third space 110 in cavity 13 for air.The outboard end of top plate 108 is partially along between adjacent U-shaped gusset The second gap 107 be extended with demarcation plate 111, between the upper surface of demarcation plate 111 and the bottom of outer disk body 22 have the 4th between Gap 112, the 4th gap 112 connection atmosphere are formed for being connected to extraneous flame range domain and the second mixed gas out with the first mixing chamber 31 The first air supply passage 101 for going out flame range domain of room 40.In order to realize the cooperation of position of splitter 100 and the second ejector pipe 221, make score It is formed between stream part 100 and the second ejector pipe 221 and is more independent third air supply passage, two vertical baffles 105 of U-shaped gusset are certainly Gradually inclination upwards outside to inside, the first side wall 111a and second sidewall 111b of demarcation plate 111 are also to respectively to adjacent U-shaped angle The circumferentially extending of the second gap 107, with the first gap of partial mulching 106, the first side wall 111a and second side are formed by between plate Wall 111b collectively forms the notch for the insertion of the second ejector pipe 221 together with the outboard end of top plate 108.Further, in order to Outside air, which enters, to be used to mend to the first injector 11 and the second injector 12 being originally just first divided into air in advance of burner Fill the supplement channel of primary air and for the flame range domain out to the flame range domain out of the first mixing chamber 31 and the second mixing chamber 40 The supplement channel of auxiliary air, also outside 22 horizontal extension of disk body of the outer periphery 111c of demarcation plate 111 are supplemented, and is located at and contains liquid Between disk 6 and connector 2.

Embodiment 2

As shown in FIG. 10 and 11, essentially identical with the structure of embodiment 1, only difference is that: the structure of position of splitter 100 Different, the position of splitter 100 of the embodiment omits to be supported with jointly on the outboard end of each top plate 108 in embodiment 1 One circle annular partition 109 and demarcation plate 111 outer periphery 111c, but still have by air duct be separated into three it is independent Air supply passage, specifically position of splitter 100 include along connector 2 bottom wall is circumferential, spaced U-shaped gusset, it is each U-shaped The inside edge of gusset is connected by annular ring 104, is formed between first between two vertical baffles 105 of each U-shaped gusset Gap 106 is formed with the second gap 107 between adjacent U-shaped gusset, and the first gap 106 is connected to atmosphere, shape with the second gap 107 At the mutually independent third air supply passage 103 for 12 tonifying Qi of the second injector into cavity 13 and for being sprayed to first Second air supply passage 102 of 11 tonifying Qi of device.In order to preferably make position of splitter 100 that the first spray is isolated in air duct with being split into Emitter 11 and the second injector 12, position of splitter 100 include the top plate 108 of two vertical baffles 105 of the U-shaped gusset of partial mulching, 108 adjacent rings circle 104 of top plate and the position setting for being higher than the second injector 12.The outboard end of top plate 108 is partially along adjacent U The second gap 107 between type gusset is extended with demarcation plate 111 ', the bottom of the upper surface of demarcation plate 111 ' and outer disk body 22 it Between there is the 4th gap 112, the 4th gap 112 connection atmosphere, which is formed, extraneous goes out flame range with the first mixing chamber 31 for being connected to First air supply passage 101 for going out flame range domain in domain and the second mixing chamber 40.In order to realize position of splitter 100 and the second ejector pipe 221 Cooperation be more independent third air supply passage so that being formed between position of splitter 100 and the second ejector pipe 221, the two of U-shaped gusset Vertical baffle 105 from the outside to the core gradually upwards inclination, the first side wall 111a ' and second sidewall 111b ' of demarcation plate 111 ' also to It is circumferentially extended respectively to the second gap 107 between adjacent U-shaped gusset.

Embodiment 3

It is essentially identical with the structure of embodiment 1 as shown in Figure 12~15, only difference is that: it is brought out on cavity 13 Mouth 131 is connected with the first ejector pipe 211, and the upper end closed of periphery chamber 14 is cecum, each 14 the present embodiment of periphery chamber Be 4, lower end be in that the channel 8 of similar " ten " font is interconnected, and is connected with corresponding periphery chamber 14 the Two injectors 12 are circumferentially spaced on the peripheral wall that periphery chamber 14 is arranged in, wherein primary air, combustion gas and mixed primary Air and combustion gas are in the path of burner internal (referring to the dotted arrow of Fig. 9).

Claims (19)

1. a kind of upper inlet wind type burner, includes:

Pedestal (1), the pedestal (1) is interior to accommodate mutually independent first injector (11) and at least two positioned at described first The second injector (12) of injector (11) periphery；

Connector (2) is arranged on the pedestal (1), includes inner tray (21) and outer disk body that concentric spacing is arranged (22), the central location of the inner tray (21) has vertical the first ejector pipe (211), the outer disk body (22) circumferentially, At least two second ejector pipes (221) independent are arranged at intervals with, second ejector pipe (221) has relative level Inclined axis, first ejector pipe (211) are oppositely arranged with first injector (11), second ejector pipe (221) it is oppositely arranged with second injector (12)；And

Fire cover includes interior ring fire cover (3) and external ring fire cover (4), the inner tray (21) and external disk is respectively correspondingly arranged in On body (22), and the mixed gas of centrally located first is formed between the interior ring fire cover (3) and the inner tray (21) Room (31) forms the second mixing chamber (40) for being located at periphery between the external ring fire cover (4) and the outer disk body (22)；It is described First mixing chamber (31) corresponds to first ejector pipe (211), and second mixing chamber (40) corresponds to second injection It manages (221)；

It is characterized by also including having drip pan (6), the periphery wall of the pedestal (1) is under second injector (12) Side is also extended with the boss (141) that can support the drip pan (6) to the periphery, the drip pan (6) and the connector (2) The air supply passage of supplement air is formed between bottom wall, is provided with position of splitter (100), the position of splitter in the air supply passage (100) by the air supply passage be separated into three relatively independent the first air supply passages (101), the second air supply passage (102) and Third air supply passage (103), extraneous flame range domain and the institute out with the first mixing chamber (31) of the first air supply passage (101) connection That states the second mixing chamber (40) goes out flame range domain；Second air supply passage (102) the connection external world and the first injector (11)；The third Air supply passage (103) the connection external world and second injector (12).

2. upper inlet wind type burner according to claim 1, it is characterised in that: the position of splitter (100) includes along described The bottom wall circumferential direction of connector (2), spaced U-shaped gusset, the inside edge of each U-shaped gusset passes through annular ring (104) it is connected, is formed with the first gap (106) between two vertical baffles (105) of each U-shaped gusset, the adjacent U It is formed between type gusset the second gap (107), first gap (106) is connected to atmosphere with the second gap (107), is formed It is mutually independent to be used for the third air supply passage (103) of the second injector (12) tonifying Qi and for being sprayed to described first Second air supply passage (102) of device (11) tonifying Qi.

3. upper inlet wind type burner according to claim 2, it is characterised in that: the position of splitter (100) includes that part is covered The top plate (108) of two vertical baffles of the U-shaped gusset is built, the top plate (108) neighbouring annular ring (104) is simultaneously higher than The position of second injector (12) is arranged.

4. upper inlet wind type burner according to claim 3, it is characterised in that: on the outboard end of each top plate (108) It is supported with a circle annular partition (109) jointly, and has between the bottom of inner tray (21) in the connector (2) for air Into the third space (110) in cavity (13).

5. upper inlet wind type burner according to claim 4, it is characterised in that: the outboard end of the top plate (108) partially along The second gap (107) between the adjacent U-shaped gusset is extended with demarcation plate (111；111 '), the demarcation plate (111；111′) Upper surface and the outer disk body (22) bottom between there is the 4th gap (112), the 4th gap (112) is connected to atmosphere It is formed for being connected to extraneous go out flame range domain for going out flame range domain and second mixing chamber (40) with the first mixing chamber (31) One air supply passage (101).

6. upper inlet wind type burner according to claim 5, it is characterised in that: two vertical baffles of the U-shaped gusset are outside Inwardly gradually inclination upwards, the demarcation plate (111；111 ') the first side wall (111a；111a ') and second sidewall (111b； 111b ') also to respectively to be formed by between the adjacent U-shaped gusset the second gap (107) circumferentially extend, with partial mulching First gap (106), the first side wall (111a；111a ') and second sidewall (111b；111b ') together with the top plate (108) outboard end collectively forms the notch for second ejector pipe (221) insertion.

7. upper inlet wind type burner according to claim 6, it is characterised in that: the demarcation plate (111；111 ') outer periphery (111c) also to outer disk body (22) horizontal extension, and between the drip pan (6) and the connector (2).

8. upper inlet wind type burner according to claim 1, it is characterised in that: the pedestal (1) has hollow columnar portion Position, the roof of the hollow posts, which is recessed downwards, to be formed with cavity (13), and pedestal (1) also has in the periphery of the cavity (13) peripheral wall Periphery wall；First injector (11) is arranged on the bottom wall of the cavity (13), first ejector pipe (211) with First injector (11) is oppositely arranged；Second injector (12) is then arranged on the periphery wall of the pedestal (1), each Second injector (12) is oppositely arranged with corresponding second ejector pipe (221).

9. upper inlet wind type burner according to claim 8, it is characterised in that: second injector (12) is above institute The first injector (11) stated.

10. upper inlet wind type burner according to claim 9, it is characterised in that: the pedestal (1) is in the cavity (13) week The periphery of wall at least has an independent periphery chamber (14), the upper end outlet (131) and described first of the cavity (13) Ejector pipe (211) is connected, and the upper end closed of the periphery chamber (14) is cecum, the lower part of each periphery chamber (14) It is interconnected, second injector (12) is arranged on the top peripheral wall of the periphery chamber (14).

11. upper inlet wind type burner according to claim 10, it is characterised in that: the lower end of the periphery chamber (14) is open For open end, the pedestal (1) further includes having pedestal (5), and the center of the pedestal (5) is upward convex to be equipped with flange collar (51), described The lower end of periphery chamber (14) is resisted against on the flange collar (51).

12. upper inlet wind type burner according to claim 11, it is characterised in that: the bottom of the pedestal (1) further includes having Convex annular wall (52) positioned at the flange collar (51) periphery passes through dowel between the flange collar (51) and convex annular wall (52) (53) it is connected, the lower section of the convex annular wall (52) is downwardly convex to be equipped with convex block (521), and the convex block (521) is equipped with mounting hole (5211)。

13. upper inlet wind type burner according to claim 1, it is characterised in that: second ejector pipe (221) is radial text Venturi, and being arranged in the inner edge of the outer disk body (22), the air intake of second ejector pipe (221) is to the inner tray (21) direction extends inwardly in the tonifying Qi chamber (7) surrounded between inner tray (21) and outer disk body (22).

14. upper inlet wind type burner according to claim 13, it is characterised in that: the outer periphery of the outer disk body (22) (222) then the gas outlet along second injector (12) in horizontal direction in extending, and the periphery of the outer disk body (22) Outer end along (222) is upward convex equipped with outer ring wall (2221), and the tube wall of second ejector pipe (221) is upward convex to be equipped with inner ring It is covered with external ring fire cover (4) above wall surface (2211), the inner ring wall (2211) and outer ring wall (2221), the inner ring wall Face (2211), outer ring wall (2221), outer disk body (22) outer periphery (222) and external ring fire cover (4) enclose jointly is set as described Two mixing chambers (40).

15. upper inlet wind type burner according to claim 14, it is characterised in that: the external ring fire cover (4) includes ring-type Roof (41) and internal ring wall (42), the external annulus extended obliquely downward from the inside edge of the annular top wall (41), outer ledge (43), the internal ring wall (42) offsets with the inner ring wall (2211), the external annulus (43) and the outer ring wall (2221) it offsets, the internal ring wall (42), which is circumferentially spaced, offers outer fire hole (421).

16. upper inlet wind type burner according to claim 14 or 15, it is characterised in that: the top of the pedestal (1) has The upper edge (15) extended outward, and the inner tray (21) also at least two downwardly projecting raised lines (210) and with This is shelved on the top upper edge (15) of the pedestal (1).

17. upper inlet wind type burner according to claim 16, it is characterised in that: have certainly inside the interior ring fire cover (3) Lower past fovea superior and the groove protruded into for first ejector pipe (211), which encloses with the inner tray (21) sets described in composition The periphery wall of first mixing chamber (31), the interior ring fire cover (3) offers interior fire hole (32).

18. upper inlet wind type burner according to claim 17, it is characterised in that: the outer of the inner tray (21) is to extension Stretching has outer edge (212), and the outer edge (212) and the inner ring wall (2211) of the second ejector pipe (221) tube wall offset, The outer edge (212) constitutes the rain visor above second injector (12).

19. upper inlet wind type burner according to claim 18, it is characterised in that: the interval between the outer edge (212) It constitutes and connects the tonifying Qi chamber (7) and extraneous the first air intake (71), the interval between the raised line (210) constitutes connection institute The second air intake (72) of tonifying Qi chamber (7) Yu cavity (13) is stated, first air intake (71) is mutually flowed with the second air intake (72) Body connection.