CN204084367U - Cell burner - Google Patents
Cell burner Download PDFInfo
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- CN204084367U CN204084367U CN201420591899.4U CN201420591899U CN204084367U CN 204084367 U CN204084367 U CN 204084367U CN 201420591899 U CN201420591899 U CN 201420591899U CN 204084367 U CN204084367 U CN 204084367U
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- burner
- hybrid chamber
- induction tunnel
- plate
- cavity
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Abstract
The utility model relates to fuel gas combustion equipment technical field of heating, and especially the heating of larger gas food machinery or large commercial kitchen tools technical field of heating, particularly, relate to a kind of cell burner.Described combined type burner, is characterized in that, comprising: burner plate, hybrid chamber, induction tunnel (5) and tapering nozzle (7); Described hybrid chamber is positioned at below burner plate, and tapering nozzle (7) is positioned at the air inlet port of induction tunnel (5), and induction tunnel is communicated with hybrid chamber and tapering nozzle (7).Suitable conical shape cavity is provided with between the air inlet of described tapering nozzle arrangements and gas outlet, not only make combustion gas inflow and outflow smoothly, also there is the function of gather qi together, promote the flow velocity of combustion gas, reduce the probability that tempering phenomenon occurs, also can promote the effective rate of utilization of combustion gas simultaneously, improve the efficiency of heating surface.
Description
Technical field
The utility model relates to fuel gas combustion equipment technical field of heating, and especially the heating of larger gas food machinery or large commercial kitchen tools technical field of heating, particularly, relate to a kind of cell burner.
Background technology
Fuel gas combustion equipment be a kind of make the such as combustion gas such as natural gas or biogas ignition with by its chemical energy for heat energy and the equipment discharged, common are the household gas range of small-power type and mid power and for the commercial gas-fired stove of food processing.In recent years in order to respond the spirit of the times of energy-saving and emission-reduction, improve the efficiency of heating surface, reduce the concentration of the pollutant such as CH, CO, NOx and soot PM in combustion product gases, low flame stove or aphlogistic catalytic burner become market new lover.The burner plate of catalytic burner scribbles catalyst layer, and in catalyticing combustion process, reactant forms low-energy surface free radical at catalyst surface, generates vibration excited state product, finally gives off energy in the mode of infrared radiation.Because catalyst has the selective side reaction that effectively can suppress to generate poisonous and harmful substance on the one hand, have on the other hand and under excess oxygen, store oxygen and the economic benefits and social benefits function that discharges oxygen under oxygen lean conditions, combustion gas Thorough combustion can be made, thus it is high to make catalytic burner have the efficiency of heating surface, and do not produce or seldom produce the distinguishing feature of the dusty gas such as NOx, CO and HC, be with a wide range of applications.
Except adopting catalytic combustion technology, existing burner also adopts combination gas burning technology.Cell burner comprises many cover independent burning systems, and often overlap independent burning system and have independently burner plate, hybrid chamber, induction tunnel and flow-stopping plate, combustion gas is entered by induction tunnel and sneaks out chamber, in burner plate surface combustion after hybrid chamber mixing.But existing cell burner is applied in the such as heating of larger gas food machinery or large commercial kitchen tools when heating contour power heating, due to long-time HTHP, air-flow size is unstable, air pre-mixing insufficient and nozzle venthole size such as not to mate at the problem, easily occurs tempering phenomenon and occurs the phenomenon of flare because fired state is insufficient.
Tempering and the insufficient problem of burning is easily there is when high power applications for above-mentioned current cell burner, in conjunction with catalytic combustion technology, be necessary the combined type burner that a kind of improvement is provided, make its not easily tempering when high-power output, ensure safety in production.Burning can also be made simultaneously more abundant, improve the efficiency of heating surface.
Utility model content
Tempering and the insufficient problem of burning is easily there is when high power applications for aforementioned combinatorial formula burner, the utility model provides a kind of combined type burner, not easily tempering occurs, ensure safety in production when high-power output, burning can also be made simultaneously more abundant, improve the efficiency of heating surface.
The technical solution adopted in the utility model, provides a kind of combined type burner, it is characterized in that, comprising: hybrid chamber, induction tunnel and tapering nozzle; Described hybrid chamber is positioned at below burner plate, and tapering nozzle is positioned at the air inlet port of induction tunnel, and induction tunnel is communicated with hybrid chamber and tapering nozzle.Suitable conical shape cavity is provided with between the air inlet of described tapering nozzle arrangements and gas outlet, not only make combustion gas inflow and outflow smoothly, also there is the function of gather qi together, promote the flow velocity of combustion gas, reduce the probability that tempering phenomenon occurs, also can promote the effective rate of utilization of combustion gas simultaneously, improve the efficiency of heating surface.
Concrete, described tapering nozzle interior is provided with the first frustum cavity, the second frustum cavity, the first pylon cavity, the 3rd frustum cavity and the second pylon cavity successively along airintake direction; The bore of described first frustum cavity, the second frustum cavity and the 3rd frustum cavity is arranged from big to small along airintake direction.The tapering nozzle with multiple frustum cavity structure can increase gas pressure intensity gradually along airintake direction, and lifting combustion gas enters the air velocity after induction tunnel thus the probability of reduction tempering phenomenon appearance, ensures safety in production.
Concrete, the tapering of described second frustum cavity and/or the 3rd frustum cavity be not more than 2 real number.
Concrete, described cell burner also comprises stud, spring, fixed throttle plate and movable air door plate; The outlet side outer surface of described tapering nozzle is provided with the screw thread coordinated with stud, and tapering nozzle coordinates with stud and passes the interstitial hole of movable air door plate and fixed throttle plate successively.Described tapering nozzle stretches into induction tunnel length after passing the interstitial hole of described movable air door plate and fixed throttle plate is not less than 2mm and is not more than 8mm.Described stud periphery cover has spring.Regulate air intake size by described movable air door plate, make the infrared radiation state that burning reaches best at various pressures.
Concrete, described induction tunnel is followed successively by along the structure of airintake direction horn mouth round tube, minor caliber circular pipe, the reducing type round tube that bore increases and the heavy caliber round tube that bore reduces.The structure that described induction tunnel adopts large centre, two little, carries out premix to combustion gas and air, and the horn mouth shape of its inlet end can assemble the mist be made up of combustion gas and air further simultaneously, adds atmospheric pressure and promotes flow velocity, reduce tempering probability further.
Concrete, described burner plate surface scribbles metal catalyst layer or rare earth catalyst oxidant layer.Described metal catalyst layer and rare earth catalyst oxidant layer are used for catalysis combustion gas generation combustion reaction, and wherein rare earth catalyst oxidant layer also can provide enough oxygen to make combustion gas Thorough combustion, improve heating power and efficiency and reduce pollution.
Concrete, described hybrid chamber comprises center hybrid chamber and the annular hybrid chamber around center hybrid chamber; Be provided with a central burner plate above the hybrid chamber of described center, below the hybrid chamber of center, connect an induction tunnel; Be provided with at least one ring burner plate around central burner plate above described annular hybrid chamber, below annular hybrid chamber or outside connects at least one induction tunnel.Described annular hybrid chamber connects multiple induction tunnel, can combustion gas transmission range everywhere below harmonious combustion plate, make heating effect evenly, promote the overall heating effect to heating container.
To sum up, adopt combined type burner provided by the utility model, the induction tunnel that the tapering nozzle and the inlet end that utilize inside to be frustum cavity structure are horn mouth shape, effectively can improve air velocity, the probability that when being reduced in high-power output, tempering occurs, ensure safety in production, burning can also be made simultaneously more abundant, improve the efficiency of heating surface.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is cell burner structural representation of the present utility model.
Fig. 2 is cell burner floor map of the present utility model.
Fig. 3 is cell burner schematic cross-section of the present utility model.
Fig. 4 is tapering nozzle cross-section schematic diagram in cell burner of the present utility model.
Fig. 5 is tapering nozzle and air door plate syndeton schematic diagram in cell burner of the present utility model.
Fig. 6 is tapering nozzle and air door plate syndeton schematic cross-section in cell burner of the present utility model.
Fig. 7 is the schematic cross-section of induction tunnel in cell burner of the present utility model.
In above-mentioned accompanying drawing: 1, central burner plate 2, ring burner plate 3, center hybrid chamber 4, annular hybrid chamber 5, induction tunnel 5a, horn mouth round tube 5b, minor caliber circular pipe 5c, reducing type round tube 5d, heavy caliber round tube 6, air door structure 6a, fixed throttle plate 6b, movable air door plate 7, tapering nozzle 7a, first frustum cavity 7b, second frustum cavity 7c, first pylon cavity 7d, 3rd frustum cavity 7f, second pylon cavity 8, metal for fixed center burner plate fixes trim ring 9, metal for retainer ring burner plate fixes trim ring 10, flow-stopping plate 11 stud 12 spring.
Detailed description of the invention
Hereinafter with reference to accompanying drawing, describe by way of example the cell burner that the utility model provides in detail.It should be noted that at this, the explanation for these way of example understands the utility model for helping, but does not form restriction of the present utility model.
Various technology described herein may be used for but is not limited to combined type burner, can also be used for other similar field.
Term "and/or" herein, it is only a kind of incidence relation describing affiliated partner, three kinds of relations can be there are in expression, such as, A and/or B, can represent: individualism A,, there are A and B tri-kinds of situations, in addition in individualism B simultaneously, character "/" herein, general expression forward-backward correlation is to liking a kind of "or" relation.
Term " tapering " refers to the ratio of the basal diameter of cone and cone height herein, or the ratio of the difference of the bottom surface of frustum and the diameter of end face and frustum height, although the virtual drift angle in the drift angle of described tapering and conic section or frustum cross section is different, but convert by trigonometric function, reduction formula is as follows:
In formula,
for the tapering of cone or frustum,
for the drift angle of conic section or the virtual drift angle in frustum cross section.
Embodiment one, Fig. 1 shows cell burner structural representation of the present utility model, and Fig. 2 shows cell burner floor map of the present utility model, and Fig. 3 shows cell burner schematic cross-section of the present utility model.Described cell burner, is characterized in that, comprising: burner plate, hybrid chamber, induction tunnel 5 and tapering nozzle 7; Described hybrid chamber is positioned at below burner plate, and tapering nozzle 7 is positioned at the air inlet port of induction tunnel 5, and induction tunnel is communicated with hybrid chamber and tapering nozzle 7.Be compared to the nozzle that existing internal cavities is vertical-type ledge structure, suitable conical shape cavity is provided with between the air inlet of described tapering nozzle arrangements and gas outlet, not only make combustion gas inflow and outflow smoothly, also there is the function of gather qi together, promote the flow velocity of combustion gas, reduce the probability that tempering phenomenon occurs, also can promote the effective rate of utilization of combustion gas simultaneously, improve the efficiency of heating surface.
Concrete, as shown in Figure 4, described tapering nozzle 7 inside is provided with the first frustum cavity 7a, the second frustum cavity 7b, the first pylon cavity 7c, the 3rd frustum cavity 7d and the second pylon cavity 7f successively along airintake direction; The bore of described first frustum cavity 7a, the second frustum cavity 7b and the 3rd frustum cavity 7d is arranged from big to small along airintake direction.Described first frustum cavity 7a, the second frustum cavity 7b and the 3rd frustum cavity 7d are circular frustum cavity, and described first pylon cavity 7c and the second pylon cavity 7f is circular pylon cavity.Due to the direction along air inlet, tapering nozzle 7 inside is provided with multiple frustum cavity structure, and the frustum cavity inside diameter with certain taper reduces gradually, and gas molecule assembles gas because activity space reduces, gas pressure intensity will increase, thus improve the air velocity that combustion gas enters induction tunnel.Although during high-power output, flame propagation velocity obviously increases, and utilizes tapering nozzle to improve the air velocity of combustion gas simultaneously, thus can reduce the probability of tempering phenomenon appearance, ensures safety in production.
Concrete, the tapering of described second frustum cavity 7b and/or the 3rd frustum cavity 7d be not more than 2 real number.To be the virtual drift angle of the corresponding second frustum cavity 7b or the 3rd frustum cavity 7d of real number being not more than 2 be described tapering is not more than the angle of 90 degree, aforementioned frustum cavity arranges suitable tapering, gas can be made when entering induction tunnel to have higher air velocity, thus effectively avoid tempering phenomenon occurs.As what optimize, in the present embodiment, the tapering of the second frustum cavity 7b is 0.573, the virtual drift angle in corresponding cross section 32 degree, and the tapering of the 3rd frustum cavity 7d is 0.728, the virtual drift angle in corresponding cross section 40 degree.The tapering of described first frustum cavity 7a is greater than the tapering of the second frustum cavity 7b, and in the present embodiment, the tapering of the first frustum cavity 7a is 1.833, the virtual drift angle in corresponding cross section 85 degree.Experiment proves, under equal conditions (as pressure is identical, cavity is identical, heating effect phase equal conditions) various different nozzle is tested after, the conical nozzle of the present embodiment is in the continuous burning time period of 30 minutes, and tempering-free phenomenon occurs, saves combustion gas about 5% simultaneously, be compared to other nozzle that at least there is a tempering phenomenon, the nozzle effect of the present embodiment is with the obvious advantage.
Concrete, described cell burner also comprises stud 11, spring 12, fixed throttle plate 6a and movable air door plate 6b; The outlet side outer surface of described tapering nozzle 7 is provided with the screw thread coordinated with stud 11, and tapering nozzle 7 coordinates with stud 11 and passes the interstitial hole of movable air door plate 6b and fixed throttle plate 6a successively.Described tapering nozzle 7 is not less than 2mm through the length stretching into induction tunnel 5 after the interstitial hole of described movable air door plate 6b and fixed throttle plate 6a and is not more than 8mm.Described stud 11 periphery cover has spring 12.As shown in Figure 5 and Figure 6, described stud 11 is hollow structure, and inner via hole is provided with the screw thread coordinated with described tapering nozzle 7 outlet side outer surface, for the annexation of fixing induction tunnel 5 and tapering nozzle 7.Described spring 12, for fixing described air door plate 6a and 6b, is convenient to manual adjustment.Described fixed throttle plate 6a is provided with movable air door plate 6b the air holes that position is identical, aperture size is identical, when using cell burner of the present utility model, rotary moveable air door plate 6b, the air holes coincidence degree of two wind control plates can be changed, and then regulate the size of air holes, under different atmospheric pressures, make the infrared radiation state that burning reaches best.Described tapering nozzle 7 regulates according to different burner through the length stretching into induction tunnel 5 after the interstitial hole of described movable air door plate 6b and fixed throttle plate 6a, makes combustion power reach specified scope.Meanwhile, the inlet end outer surface of described tapering nozzle 7 is provided with screw thread, for coordinating with appendix, being fixedly connected with appendix and avoiding gas leakage.
Concrete, as shown in Figure 7, described induction tunnel 5 is followed successively by along the structure of airintake direction horn mouth round tube 5a, minor caliber circular pipe 5b, the reducing type round tube 5c that bore increases and the heavy caliber round tube 5d that bore reduces.The structure that described induction tunnel 5 adopts large centre, two little, carries out premix to combustion gas and air, and the horn mouth shape of its inlet end can assemble the mist be made up of combustion gas and air further simultaneously, adds atmospheric pressure and promotes flow velocity, reduce tempering probability further.In described induction tunnel 5, reducing type round tube 5c bends upwards, the mist after premix is upwards conducted to the end of induction tunnel 5, then diffuses to the inside of mixing chamber.Because hybrid chamber inlet end is provided with corresponding part flow arrangement, gas uniform can be dispersed in hybrid chamber inside, and fully evenly be sent to each burner plate to produce infrared radiation after premix again.
Concrete, described burner plate surface scribbles metal catalyst layer or rare earth catalyst oxidant layer.Described metal catalyst layer and rare earth catalyst oxidant layer are used for catalysis combustion gas and carry out combustion reaction, as preferential, the present embodiment adopts rare earth catalyst disclosed in Chinese invention patent 201310305907.4, described rare earth catalyst is prepared by yttrium, alkali earth metal and transition metal and obtains, and chemical formula is
.Combustion reaction controls to carry out (being caused by rare earth catalyst surface free radical) at burner plate fire hole inner surface by described rare earth catalyst, reactant is made to form low-energy surface free radical on rare earth catalyst surface, then generate vibration excited state product but not excited electronic state product (excited electronic state product causes visible ray and flame), finally almost the complete mode with infrared radiation releases energy.Described rare earth catalyst has the selective side reaction that effectively can suppress to generate poisonous and harmful substance on the one hand; Having the economic benefits and social benefits function storing oxygen and discharge oxygen under excess oxygen under oxygen lean conditions can make combustion gas Thorough combustion on the other hand.Thus make cell burner of the present utility model have the higher efficiency of heating surface, output high-power, and do not produce or seldom produce the dusty gas such as NOx, CO and HC, there is the two advantage of energy-conserving and environment-protective.
Concrete, described hybrid chamber comprises center hybrid chamber 3 and the annular hybrid chamber 4 around center hybrid chamber 3; Be provided with a central burner plate 1 above described center hybrid chamber 3, below center hybrid chamber 3, connect an induction tunnel 5; Be provided with nine ring burner plates 2 around central burner plate 1 above described annular hybrid chamber 4, below annular hybrid chamber 4, connect two induction tunnels 5.Described center hybrid chamber and annular hybrid chamber can be but be not limited to circular configuration or regular polygon structure, and as what optimize, the center hybrid chamber in the present embodiment and annular hybrid chamber are circular configuration.Described induction tunnel 5 and hybrid chamber adopt screw to be connected, and for eliminating because adding thermogenetic air expansive force, prevent distortion, and are conducive to dismounting and install.Described central burner plate 1 adopts metal to fix trim ring 8 to be fixed on the hybrid chamber of center, and described 9 ring burner plates 2 adopt 9 metals to fix trim ring 9 respectively and are fixed on annular hybrid chamber.Arranging flow-stopping plate 10 above the air outlet that induction tunnel connects hybrid chamber, for combustion gas transmitting range everywhere below balance combustion plate, is heating effect homogenising.Adopt two induction tunnels to connect the two ends, left and right of annular hybrid chamber respectively simultaneously, not only can transmit more combustion gas, improve power stage, can also further combustion gas transmitting range everywhere below equalizer ring burner plate, make heating effect more even, and then promote the overall heating effect to heating container.Described central burner plate 1 is parallel with the heating surface of heating container with the flat heated that ring burner plate 2 forms, can according to the difference of firing equipment, the structure of adjustment central burner plate 1 and ring burner plate 2 makes it curved heating surface or planar shaped heating surface, makes heating effect reach best.
The above-mentioned cell burner provided, the combined type burner provided, the induction tunnel that the tapering nozzle and the inlet end that utilize inside to be frustum cavity structure are horn mouth shape, air velocity can be improved, the probability that during effective reduction high-power output, tempering occurs, ensure safety in production, burning can also be made simultaneously more abundant, improve the efficiency of heating surface.
With reference to aforesaid embodiment, cell burner of the present utility model can also expand out other embodiment, the difference of these embodiments and previous embodiment, comprise: described first frustum cavity 7a, the second frustum cavity 7b and the 3rd frustum cavity 7d are regular polygon frustum cavity, described first pylon cavity 7c and the second pylon cavity 7f is just polygon pylon cavity.
Be provided with at least one ring burner plate 2 around central burner plate 1 above described annular hybrid chamber 4, below annular hybrid chamber 4 or side connects at least one induction tunnel 5.
With reference to the technique effect of embodiment one, the difference of the technique effect of described expansion embodiment is: below the annular hybrid chamber of described expansion embodiment or side connects more induction tunnel, more combustion gas can be improved, and the combustion gas distribution more below uniform ring burner plate, exportable higher power, and make heating effect more balanced.
As mentioned above, the utility model can be realized preferably.For a person skilled in the art, according to instruction of the present utility model, relate to multi-form cell burner and do not need performing creative labour.These embodiments are changed, revise, replace, to integrate and modification still falls in protection domain of the present utility model when not departing from this uses novel principle and spirit.
Claims (9)
1. a cell burner, is characterized in that, comprising: burner plate, hybrid chamber, induction tunnel (5) and tapering nozzle (7);
Described hybrid chamber is positioned at below burner plate, and tapering nozzle (7) is positioned at the air inlet port of induction tunnel (5), and induction tunnel is communicated with hybrid chamber and tapering nozzle (7).
2. cell burner as claimed in claim 1, is characterized in that, comprising:
Described tapering nozzle (7) inside is provided with the first frustum cavity (7a), the second frustum cavity (7b), the first pylon cavity (7c), the 3rd frustum cavity (7d) and the second pylon cavity (7f) successively along airintake direction;
The bore of described first frustum cavity (7a), the second frustum cavity (7b) and the 3rd frustum cavity (7d) is arranged from big to small along airintake direction.
3. cell burner as claimed in claim 2, is characterized in that, comprising:
The tapering of described second frustum cavity (7b) and/or the 3rd frustum cavity (7d) be not more than 2 real number.
4. cell burner as claimed in claim 1, is characterized in that, comprising:
Described cell burner also comprises stud (11), spring (12), fixed throttle plate (6a) and movable air door plate (6b);
The outlet side outer surface of described tapering nozzle (7) is provided with the screw thread coordinated with stud (11), and tapering nozzle (7) coordinates with stud (11) and passes the interstitial hole of movable air door plate (6b) and fixed throttle plate (6a) successively.
5. cell burner as claimed in claim 4, is characterized in that, comprising:
Described tapering nozzle (7) is not less than 2mm through the length stretching into induction tunnel (5) after the interstitial hole of described movable air door plate (6b) and fixed throttle plate (6a) and is not more than 8mm.
6. cell burner as claimed in claim 4, is characterized in that, comprising:
Described stud (11) periphery cover has spring (12).
7. cell burner as claimed in claim 1, is characterized in that, comprising:
Described induction tunnel (5) is followed successively by along the structure of airintake direction horn mouth round tube (5a), minor caliber circular pipe (5b), the reducing type round tube (5c) that bore increases and the heavy caliber round tube (5d) that bore reduces.
8. cell burner as claimed in claim 1, is characterized in that, comprising:
Described burner plate surface scribbles metal catalyst layer or rare earth catalyst oxidant layer.
9. cell burner as claimed in claim 1, is characterized in that, comprising:
Described hybrid chamber comprises center hybrid chamber (3) and the annular hybrid chamber (4) around center hybrid chamber (3);
Top, described center hybrid chamber (3) is provided with a central burner plate (1), and center hybrid chamber (3) below connects an induction tunnel (5);
Described annular hybrid chamber (4) top is provided with at least one ring burner plate (2) around central burner plate (1), and annular hybrid chamber (4) below or side connect at least one induction tunnel (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420591899.4U CN204084367U (en) | 2014-10-14 | 2014-10-14 | Cell burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420591899.4U CN204084367U (en) | 2014-10-14 | 2014-10-14 | Cell burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204084367U true CN204084367U (en) | 2015-01-07 |
Family
ID=52177081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420591899.4U Expired - Fee Related CN204084367U (en) | 2014-10-14 | 2014-10-14 | Cell burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204084367U (en) |
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2014
- 2014-10-14 CN CN201420591899.4U patent/CN204084367U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20181014 |