CN212511121U - High-efficient combustion furnace - Google Patents
High-efficient combustion furnace Download PDFInfo
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- CN212511121U CN212511121U CN202021156681.8U CN202021156681U CN212511121U CN 212511121 U CN212511121 U CN 212511121U CN 202021156681 U CN202021156681 U CN 202021156681U CN 212511121 U CN212511121 U CN 212511121U
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 52
- 239000000446 fuel Substances 0.000 claims abstract description 47
- 239000007788 liquid Substances 0.000 claims abstract description 39
- 238000000889 atomisation Methods 0.000 claims abstract description 34
- 238000007664 blowing Methods 0.000 claims description 22
- 230000007704 transition Effects 0.000 claims description 18
- 230000009286 beneficial effect Effects 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 claims description 7
- 230000000994 depressogenic effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 11
- 238000009413 insulation Methods 0.000 description 7
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000010411 cooking Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a high-efficient combustion furnace, which comprises a hearth, the wick subassembly, atomization component, air-blast subassembly and fuel feeding subassembly, the wick subassembly includes the wick main part, some firearm and branch fire frame, atomization component includes atomizing nozzle, fan and gas supply line, atomizing nozzle includes the nozzle holder, atomizing case and nozzle cap, atomizing case's one end is the oil feed end, atomizing case's the other end is provided with out oil spout, be provided with the oil transportation passageway in the atomizing case, atomizing case is close to the position that goes out oil spout and is provided with the whirl post, atomizing case is close to the position of whirl post and is provided with the wind-guiding ring, a plurality of whirl grooves have been seted up on the terminal surface that the whirl post is close to out oil spout, atomizing nozzle is linked together through gas supply line and fan, fuel feeding subassembly includes fuel feeding tank and fuel feeding pipeline, fuel feeding tank sets up the. The utility model relates to a high-efficient burning furnace that fires, atomization effect is good, helps liquid fuel's high-efficient utilization, and the noise that produces is little.
Description
Technical Field
The utility model relates to a combustion apparatus technical field, concretely relates to are high-efficient burning furnace that fires.
Background
The compression type combustion furnace belongs to one of tube type heating furnaces, and is characterized in that air is blown into a combustion pool through a fan, fuel is ignited through an igniter, and flame is rapidly pushed out under the blowing of the air.
Present compression combustion furnace mainly includes the burning pond, oil supply unit, some firearm, air blast subassembly and atomization component etc, atomization component includes siphon atomizer, air compressor machine and air supply line, oil supply unit includes fuel feeding oil tank and fuel feeding line, utilize the air compressor machine to pass through siphon atomizer to the air of blowing in the burning pond, produce the negative pressure in the burning pond, the liquid fuel of negative pressure in with fuel feeding oil tank inhales siphon atomizer, simultaneously can take the air to inhale the burning pond in with wind, liquid fuel disperses to spray in the burning pond by the atomizer after siphon atomizer's atomizing, make liquid fuel can burn after the ignition, this type compression fires burning furnace and has following problem: 1. after the air compressor is used for a period of time, the water content of the brought compressed air is high, and the atomization effect is influenced; 2. the air pressure of compressed air brought out by the air compressor is unstable, and the atomization of liquid fuel can be disturbed, so that the atomization is insufficient; 3. the pressure of the atomizing end of the siphon atomizer is large, atomized liquid fuel rubs with air, great noise is generated, and good cooking environment is not easy to build.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a solve the high-efficient burning furnace that fires of above-mentioned problem, the atomizing is effectual, helps liquid fuel's high-efficient utilization, and the noise that produces is little.
In order to achieve the above purpose, the solution of the present invention is:
a high-efficiency combustion furnace comprises a hearth, a furnace core assembly, an atomization assembly, a blast air assembly and an oil supply assembly, wherein the furnace core assembly comprises a furnace core main body, an igniter and a fire distribution frame erected above the furnace core main body, the furnace core main body comprises a transition section and an upper opening section which are sequentially connected from bottom to top and are in stepped distribution, the transition section and the upper opening section are provided with hollow inner cavities, the upper opening section and the hollow inner cavities of the transition section jointly form a combustion pool of the furnace core main body, and a plurality of power-assisted air holes are formed in the side wall of the lower end of the transition section; the blast assembly comprises a blast sleeve, a blower and a blast pipeline, the blast sleeve is sleeved outside the furnace core main body, a blast cavity for air inlet is formed between the blast sleeve and the furnace core main body, the blast cavity is communicated with the blower through the blast pipeline, the atomizing assembly comprises an atomizing nozzle, a fan and an air supply pipeline, the atomizing nozzle comprises a nozzle seat, an atomizing valve core and an oil nozzle cap, one end of the nozzle seat is detachably connected with one end of the oil nozzle cap, a containing cavity for containing the atomizing valve core is formed in the nozzle seat and the oil nozzle cap, one end of the atomizing valve core is an oil inlet end, the other end of the atomizing valve core is provided with an oil outlet, an oil delivery channel is arranged in the atomizing valve core, a rotational flow column is arranged at the position of the atomizing valve core close to the oil outlet, and an air guide ring is arranged at the position of the atomizing valve core close to the rotational flow column, the end face of one end of the swirling flow column close to the oil outlet nozzle is provided with a plurality of swirling flow grooves, the bottom surfaces of the swirling flow grooves are inclined planes, swirling flow bins which are beneficial to atomization of liquid fuel are formed between the swirling flow grooves and the oil nozzle cap, a plurality of air guide holes or air guide grooves are formed in the air guide ring along the axial direction of the air guide ring, the outer wall of the air guide ring is abutted against the inner wall of the accommodating cavity, a ventilation gap is formed between the outer wall of the swirling flow column and the inner wall of the accommodating cavity, an air inlet bin is formed between the atomizing valve core and the accommodating cavity, one end of the oil nozzle cap, which corresponds to the oil outlet nozzle, extends into the position, close to the power assisting air hole, of the combustion pool, the atomizing nozzle is communicated with the fan through the air supply pipeline, the oil supply assembly comprises an oil supply oil tank and an oil supply pipeline, and the oil supply, the oil supply oil tank is arranged above the atomizing nozzle.
One end of the nozzle seat corresponding to the oil inlet end is provided with a first internal threaded hole, a limiting groove for limiting the atomization valve core is also arranged in the nozzle seat, the oil inlet end of the atomization valve core is embedded in the limiting groove, the groove bottom of the limiting groove is communicated with the first internal threaded hole, one end of the oil supply pipeline is in threaded connection with the first internal threaded hole, a second internal threaded hole used for connecting the air supply pipeline is further formed in the inner wall of the nozzle seat, the nozzle cap is provided with a connecting end extending into the nozzle seat and a nozzle end opposite to the connecting end, the nozzle end is provided with a nozzle corresponding to the oil outlet nozzle, the nozzle end is conical, the outer wall of the connecting end is provided with an external thread section, and the other end of the nozzle seat is provided with a third internal threaded hole in threaded connection with the external threaded section.
The whirl post is close to the one end terminal surface of oil outlet nozzle is the conical surface, thereby makes each the bottom surface in whirl groove forms the inclined plane, each whirl groove with the circumference normal direction of whirl post becomes 30 ~ 45 contained angles, each the end in whirl groove runs through the edge of the terminal surface of whirl post.
The atomizing nozzle passes through the mount and installs the bottom of air-blowing cover, the mount include with nozzle holder threaded connection's fixation nut and a plurality of fixed arms of being connected with fixation nut, each the fixed arm passes through the fastener and fixes the bottom of air-blowing cover.
The fire distribution frame comprises a plurality of fire distribution sheets which are divergently arranged in all directions, each fire distribution sheet is spirally inclined towards the same direction and gradually inclines downwards from inside to outside, so that the middle of the fire distribution frame upwards forms an arch part, and each fire distribution sheet is provided with a convex block which is erected on the top end of the upper opening section on the outer side wall close to one end of the furnace core main body.
The stove core main part includes by lower supreme lower uncovered section, changeover portion and the uncovered section that is the echelonment and distributes that has the cavity inner chamber that connects gradually, go up uncovered section with the cavity inner chamber of changeover portion forms jointly the combustion pond, the external diameter of the lower uncovered section of stove core main part is less than the external diameter of changeover portion, the internal diameter of the lower uncovered section of stove core main part is less than the internal diameter of changeover portion and is formed with first annular step down between the inside wall of uncovered section and changeover portion, the lateral wall of changeover portion is close to seted up a plurality ofly on the position of first annular step helping hand wind eye, the external diameter of the changeover portion of stove core main part is less than the external diameter of uncovered section, the internal diameter of the changeover portion of stove core main part is less than and is formed with second annular step between the inside wall of changeover portion and the uncovered section, the upper end of uncovered section encircles its week and has seted up a plurality of first wind eyes, and a plurality of second air holes are formed in the second annular step.
An annular flange is arranged on the outer side wall of the upper end of the upper opening section, and each first air hole is vertically arranged at the position, close to the opening, of the annular flange.
The bottom of annular flange extends and is provided with annular support portion, be provided with the confession on the lateral wall of the upper end of blast sleeve annular flange that annular support portion supported, be provided with L type depressed part on the lateral wall of annular flange, the opening that supplies flame to rush out is seted up to furnace's central authorities, furnace's bottom be close to its open-ended position with L type depressed part card is established.
Stove core subassembly is still including gathering the fire circle, the central authorities of gathering the fire circle are formed with and gather the fire chamber, it establishes to gather the fire circle set up on the uncovered section and with each first wind eye surrounds, the uncovered section corresponds be provided with in the position of first wind eye with gather the spacing step that the fire circle offseted and leaned on.
Each second air hole is gradually inclined into the combustion pool from bottom to top, extension lines of axes of the second air holes are intersected at the same point, and an ignition end of the igniter sequentially penetrates through the air blowing sleeve and the furnace core main body and extends into the combustion pool.
Each helping hand wind eye is the wind eye that the incline direction is unanimous, the oil outlet nozzle is located each the top of helping hand wind eye, the card is equipped with an annular heat insulating board on the second annular step, the central authorities of annular heat insulating board have seted up the confession nozzle cap one end stretches into the through-hole in the combustion sump.
After the structure is adopted, the utility model relates to a high-efficient burning furnace that fires, its theory of operation is: liquid fuel at a high position flows into an oil delivery channel by an oil supply pipeline by means of self gravity and is emitted from an oil outlet nozzle, air is blown into an air inlet bin of an atomizing nozzle by a fan without pressure, the air is conveyed to a cyclone bin through an air guide groove or an air guide hole on an air guide ring, cyclone is formed in the cyclone bin, and the cyclone is blown out from an oil nozzle cap, the liquid fuel emitted from the oil outlet nozzle is preliminarily atomized, atomized liquid drops of the formed liquid fuel are large, meanwhile, the air is blown into a combustion pool by an air blower together with the air through an air blowing cavity, the air is blown in through each power-assisted air eye, the air entering through each power-assisted air eye further helps the sufficient atomization of the liquid fuel, the large atomized liquid drops are blown away, the liquid fuel is sprayed into the combustion pool, and the liquid fuel can be combusted after ignition.
The utility model relates to a high-efficient burning furnace that fires has following beneficial effect:
(1) the prior atomizing component generally adopts a siphon type atomizing nozzle, adopts compressed air as an atomizing medium, and utilizes negative pressure siphon generated by adjusting flowing gas to accelerate and break and atomize fuel, the atomizing component comprises an atomizing nozzle and a fan, the air blown out by the fan is pressure-free, the wind power blown out is smaller, primary atomization is carried out on the surrounded liquid fuel, and the assistance of the wind blown out by an assisting wind eye is needed, so that the full atomization of the liquid fuel is realized, the atomizing effect is achieved, the noise generated by atomization is reduced, the atomizing effect is good, and the full combustion of the liquid fuel is facilitated;
(2) replace the air compressor machine for the fan in the atomizing subassembly to improve atomizing nozzle's structure, adopt central oil feed, peripheral mode of admitting air, liquid fuel and combustion-supporting gas form the state of "wind package oil" in glib talker cap department, are favorable to the atomizing.
Therefore, the utility model relates to a high-efficient burning furnace that fires, atomization effect is good, helps liquid fuel's high-efficient utilization, and the noise that produces is little.
Further, each piece divides the piece of anger to set up towards same direction slope and is the heliciform, and each piece divides the piece of anger from interior to exterior downward sloping gradually, makes the middle part of dividing the fire rack upwards form an hunch-up portion, sets up like this for the flame of burning in the combustion chamber releases more easily, can not suppress the fire, and flame distributes more evenly after the direction of each piece branch piece moreover.
Further, a plurality of first wind eyes have been seted up around its periphery to the upper end of uncovered section, a plurality of second wind eyes have been seted up on the second annular step, can bring more air into the combustion chamber in, guarantee that the burning has sufficient air quantity, and liquid fuel's burning is more abundant.
Furthermore, each second air eye gradually inclines into the combustion pool from bottom to top, and extension lines of the axes of each second air eye intersect at the same point, so that air blown out by each second air eye is blown out towards the center direction of the combustion pool in a concentrated manner, and combustion-supporting flames are facilitated.
Further, each helping hand wind eye is the unanimous wind eye of incline direction, the oil outlet nozzle is located the top of each helping hand wind eye, and the wind energy of blowing in by helping hand wind eye like this can blow off liquid fuel atomizing better, does benefit to the burning.
Furthermore, an annular heat insulation plate is clamped on the second annular step, so that the atomizing nozzle is protected from being baked at high temperature, and a heat insulation effect is achieved.
Drawings
FIG. 1 is a schematic view of a structure of a high-efficiency combustion furnace
FIG. 2 is a schematic sectional view of a high efficiency combustion furnace according to the present invention;
FIG. 3 is a schematic structural view of a core body of the high-efficiency combustion furnace of the present invention;
FIG. 4 is a schematic structural view of an atomizing nozzle in a high-efficiency combustion furnace according to the present invention;
FIG. 5 is a schematic structural view of an atomizing valve core in a high-efficiency combustion furnace according to the present invention;
FIG. 6 is another schematic structural view of an atomizing valve core in a high-efficiency combustion furnace according to the present invention;
fig. 7 is a schematic structural view of a fire-dividing frame in a high-efficiency combustion furnace of the present invention.
In the figure:
hearth 1 and core body 2
Lower open section 21 transition section 22
Upper opening section 23 of power-assisted air eye 221
Annular abutting part 233 limiting step 234
First annular step 24 and second annular step 25
Blower cover 51 for igniter 4
Atomizing nozzle 61 nozzle holder 611
First internally threaded hole 6111 and second internally threaded hole 6112
Nozzle cap 612 nozzle 6121
Atomizing valve core 613 oil outlet 6131
Fixing nut 641 of fixing frame 64
Fixed arm 642 fire gathering ring 7
Annular heat insulation plate 8
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.
Example one
A high-efficiency combustion furnace is shown in figures 1-2 and comprises a hearth 1, a furnace core assembly, an atomization assembly, a blowing assembly and an oil supply assembly.
As shown in fig. 2-3, the furnace core assembly includes a furnace core main body 2, a fire-distributing frame 3 and an igniter 4, the furnace core main body 2 includes a lower open section 21, a transition section 22 and an upper open section 23 which are sequentially connected from bottom to top and have hollow inner cavities and are distributed in a ladder shape, the lower open section 21, the transition section 22 and the upper open section 23 are of an integrally formed structure, the upper end of the upper open section 23 is provided with an opening, the lower end of the lower open section 21 is also provided with an opening, and the hollow inner cavities of the upper open section 23 and the transition section 22 form a combustion pool of the furnace core main body 2 together.
An annular flange 231 is arranged on the outer side wall of the upper end of the upper opening section 23, a plurality of first wind holes 232 distributed around the periphery of the annular flange 231 are arranged at the position, close to the corresponding opening, of the annular flange 231, and the first wind holes 232 are vertically distributed.
The outer diameter of the lower opening section 21 of the furnace core main body 2 is smaller than the outer diameter of the transition section 22, the inner diameter of the lower opening section 21 of the furnace core main body 2 is smaller than the inner diameter of the transition section 22, a first annular step 24 is formed between the inner side wall of the lower opening section 21 and the inner side wall of the transition section 22, a plurality of power-assisted air holes 221 are formed in the position, close to the first annular step 24, of the side wall of the transition section 22, and each power-assisted air hole 221 is an air hole with the same inclination direction.
The outer diameter of the transition section 22 of the furnace core main body 2 is smaller than the outer diameter of the upper opening section 23, the inner diameter of the transition section 22 of the furnace core main body 2 is smaller than the inner diameter of the upper opening section 23, a second annular step 25 is formed between the transition section 22 and the inner side wall of the upper opening section 23, a plurality of second air holes 26 are formed in the second annular step 25, the air inlets of the second air holes 26 are arranged on the outer side wall of the upper opening section 23 corresponding to the bottom of the second annular step 25, the air outlets of the second air holes 26 are arranged on the inner side wall between the step surface of the second annular step 25 and the upper opening section 23, the second air holes 26 are gradually inclined by about 10 degrees into the combustion pool from bottom to top, and the extension lines of the axes of the second air holes 26 intersect at the same point.
As shown in fig. 2, 3 and 7, the fire distribution frame 3 is disposed above the furnace core main body 2, the fire distribution frame 3 includes a plurality of fire distribution pieces 31 divergently disposed in all directions, and the outer side walls of one ends of the fire distribution pieces 31 close to the furnace core main body 2 are respectively provided with a projection 311 erected on the top end of the upper opening section 23, so as to erect the fire distribution frame 3 above the furnace core main body 2.
As shown in fig. 1 to 3, the blowing assembly includes a blowing sleeve 51, a blower 52 and a blowing pipe 53, the blowing sleeve 51 is sleeved outside the furnace core main body 2, a blowing cavity 54 communicated with each power-assisted air hole 221, each first air hole 232 and each second air hole 26 is formed between the blowing sleeve 51 and the furnace core main body 2, and the blowing cavity 54 is communicated with the blower 52 through the blowing pipe 53. The bottom extension of the annular flange 231 of upper open section 23 is provided with annular support portion 233, be provided with on the lateral wall of the upper end of blast sleeve 51 and supply annular support portion 233 to support annular chimb 511 that supports, be provided with L type depressed part on the lateral wall of annular chimb 511, the opening that supplies blast sleeve 51 to pass is seted up in the bottom center of furnace 1, furnace 1's bottom is close to its open-ended position and is blocked with L type depressed part and establish to erect stove core main part 2 and blast sleeve 51 on furnace 1 jointly. The windward 51 is provided with a ventilation opening corresponding to the opening position of the lower opening section 21 of the furnace core main body 2. The air blown from the blower 52 passes through the blowing pipe 53, the blowing cavity 54, and then passes through the respective power-assisted air holes 221, the first air holes 232, and the second air holes 26 to enter the combustion pool.
The igniter 4 is fixed on the outer side wall of the blast sleeve 51, and the ignition end of the igniter 4 sequentially passes through the blast sleeve 51 and the upper open section 23 of the furnace core main body 2 and extends into the combustion chamber.
As shown in fig. 1, 2, 4, and 5, the atomizing assembly includes an atomizing nozzle 61, a fan 62, and an air supply duct 63, the atomizing nozzle 61 is vertically installed at the bottom of the blower sleeve 51 through a fixing frame 64, an end of the atomizing nozzle 61 close to the blower sleeve 51 is an upper end, an end of the atomizing nozzle 61 far away from the blower sleeve 51 is a lower end, the atomizing nozzle 61 includes a nozzle holder 611 and a nozzle cap 612 that are sequentially connected from bottom to top, a receiving cavity is formed in the nozzle holder 611 and the nozzle cap 612, an atomizing valve core 613 is disposed in the receiving cavity, a lower end of the atomizing valve core 613 is a T-shaped oil inlet end, a columnar oil outlet 6131 is disposed at an upper end of the atomizing valve core 613, an oil delivery passage 6132 communicating with the oil inlet end and the oil outlet 6131 is disposed in the atomizing valve core 613, and an inner diameter of the oil outlet 6131 is smaller than an inner diameter.
One end (namely, the lower end) of the nozzle holder 611 corresponding to the oil inlet end is provided with a first internal threaded hole 6111, a T-shaped limiting groove for limiting the atomization valve core 613 is further arranged in the nozzle holder 611, the oil inlet end of the atomization valve core 613 is embedded in the limiting groove, and the bottom of the limiting groove is communicated with the first internal threaded hole 6111. The inner wall of the nozzle holder 611 is further provided with a second internal threaded hole 6112 for connecting the air supply pipeline 63, the other end of the air supply pipeline 63 is connected with the fan 62, the oil nozzle cap 612 is provided with a connecting end extending into the nozzle holder 611 and a nozzle end opposite to the connecting end, the nozzle end is provided with a nozzle 6121 corresponding to the oil nozzle 6131, and the nozzle end is conical. An external thread section is arranged on the outer wall of the connecting end, a third internal thread hole in threaded connection with the external thread section is arranged at the other end (namely the upper end) of the nozzle seat 611, and the nozzle seat 611 and the oil nipple cap 612 are detachably connected through the threaded fit of the third internal thread hole and the external thread section. The center line of the nozzle end, the center line of the first internal threaded hole 6111, the center line of the third internal threaded hole and the central axis of the atomizing valve core 613 are positioned on the same straight line.
A swirl column 6133 is arranged at the upper end of the atomizing valve core 613 close to the oil outlet nozzle 6131, the end face of the upper end of the swirl column 6133 is a conical surface, the taper of the conical surface is consistent with that of the nozzle end, a plurality of swirl grooves 6134 are formed in the end face of the upper end of the swirl column 6133, the bottom surfaces of the swirl grooves 6134 form inclined planes, an included angle of 30-45 degrees is formed between each swirl groove 6134 and the circumferential normal direction of the swirl column 6133, and the tail end of each swirl groove 6134 penetrates through the edge of the end face of the swirl column 6133. A swirl chamber for facilitating atomization of the liquid fuel is formed between each swirl groove 6134 and the nozzle tip of the nozzle tip cap 612.
An air guide ring 6135 is arranged at the upper end of the atomizing valve core 613 near the rotational flow column 6133, the air guide ring 6135 is provided with an air guide flange protruding outwards from the outer side wall of the rotational flow column 6133, a plurality of air guide grooves 6136 are formed in the air guide flange along the axial direction of the air guide flange, the outer wall of the air guide ring 6135 abuts against the inner wall of the accommodating cavity (nozzle cap 612), a ventilation gap 614 is formed between the outer wall of the rotational flow column 6133 and the inner wall of the accommodating cavity (nozzle cap 612), and an air inlet bin 615 is formed between the part of the atomizing valve core 613, corresponding to the lower part of the air guide ring 6135, and the inner wall of the. The fan 62 is utilized to introduce air into the air inlet bin 615 through the air supply pipeline 63, and the air inlet bin 615 can ensure that the air smoothly flows into the ventilation gap 614 from each air guide groove 6136 and then enters the cyclone bin from the tail end of each cyclone groove 6134 to form cyclone which can preliminarily atomize the liquid fuel. The oil transportation channel 6132 passes through the air guide ring 6135 and the rotational flow column 6133 and is communicated with the oil outlet nozzle 6131.
The fixing frame 64 includes a fixing nut 641 threadedly coupled to the nozzle holder 611 and a plurality of fixing arms 642 coupled to the fixing nut 641 and extending horizontally outward, a threaded section threadedly engaged with the fixing nut 641 is provided on an outer wall of the nozzle holder 611, the fixing nut 641 is inserted into the nozzle holder 611 and threadedly coupled to the nozzle holder 611, each fixing arm 642 is fixed to a bottom of the blower sleeve 51 by a fastening bolt, a nozzle end of the nozzle cap 612 extends from the lower opening section 21 into the combustion chamber at a position close to the first annular step 24, and the oil nozzle 6131 is located above each boost air hole 221.
The oil supply unit (not shown) includes an oil supply tank having one end threadedly coupled to the first internally threaded hole 6111 of the nozzle holder 611 and the other end communicating with the oil supply tank, so that the oil inlet end of the atomizing valve cartridge 613 communicates with the oil supply tank, which is disposed above the atomizing nozzle 61.
After the structure is adopted, the utility model relates to a high-efficient burning furnace that fires, its theory of operation is: the high-level liquid fuel flows into the oil delivery passage 6132 of the atomizing nozzle 61 by its own weight through the oil supply pipe, and the air is blown out from the oil nozzle 6131, the air is blown into the air inlet bin 615 of the atomizing nozzle 61 by the fan 62 without pressure, the air is conveyed to the rotational flow bin through the air guide groove 6136 on the air guide ring 6135, cyclone is formed in the rotational flow bin and is blown out from the nozzle end of the oil nozzle cap 612, the liquid fuel which is blown out from the oil outlet nozzle 6131 is primarily atomized, the formed atomized liquid drops of the liquid fuel are large, meanwhile, the blower 52 is used to blow the air into the combustion pool through the blowing cavity 54, the air is blown in through each boosting air hole 221, the air entering through each power-assisted air eye 221 further assists the liquid fuel to be fully atomized, blows away larger atomized liquid drops, so that the liquid fuel is injected into the combustion pool and can be combusted after being ignited.
The utility model relates to a high-efficient burning furnace that fires has following beneficial effect:
(1) the existing atomization component generally adopts a siphon type atomization nozzle, compressed air is used as an atomization medium, and negative pressure siphon generated by adjusting flowing gas is utilized to accelerate fuel to break and atomize the fuel, the atomization component comprises an atomization nozzle 61 and a fan 62, the air blown out by the fan 62 is non-pressure, the wind power blown out is small, the enclosed liquid fuel is preliminarily atomized, and the assistance of the wind blown out by an assisting wind eye 221 is needed, so that the liquid fuel is sufficiently atomized, the atomization effect is achieved, the noise generated by atomization is reduced, the atomization effect is good, and the assisting wind eye 221 is also beneficial to the sufficient combustion of the liquid fuel;
(2) in the atomizing assembly, the air compressor is replaced by the fan 62, the structure of the atomizing nozzle is improved, and the liquid fuel and the combustion-supporting gas form an oil-in-air state at the nozzle cap by adopting a central oil inlet mode and a peripheral air inlet mode, so that the atomizing is facilitated;
(3) a plurality of first air holes 232 are formed in the upper opening section 23 of the furnace core main body 2, a plurality of inclined second air holes 26 are formed in the second annular step 25, more air can be brought into the combustion pool, sufficient air quantity is guaranteed for combustion, and liquid fuel is more sufficiently combusted; the air blown out by each second air hole 26 is intensively blown out toward the center of the combustion pool, and assists combustion and flame for intensive combustion.
Therefore, the utility model relates to a high-efficient burning furnace that fires, atomization effect is good, helps liquid fuel's high-efficient utilization, and the noise that produces is little.
Further, as shown in fig. 2 and 7, each fire distribution plate 31 is inclined towards the same direction and is spiral, and each fire distribution plate 31 is inclined downwards from inside to outside gradually, so that an arch part is formed in the middle of the fire distribution frame 3, and the arrangement makes the flame burning in the combustion pool release more easily, and the flame is not pressed, and the flame is distributed more uniformly after being guided by each fire distribution plate 31.
Further, as shown in fig. 2-3, the furnace core assembly further includes a fire gathering ring 7, a fire gathering cavity is formed in the center of the fire gathering ring 7, the fire gathering ring 7 is erected on the annular flange 231 of the upper open section 23 and surrounds each first air hole 232, and a position, corresponding to the first air hole 232, of the annular flange 231 is provided with a limit step 234 abutting against the fire gathering ring 7. The fire gathering ring 7 is beneficial to concentrating wind power and air of the first wind eye 232 and also beneficial to concentrating flames rushing out of the upper opening section 23, and concentration of fire power is guaranteed.
Further, as shown in fig. 2-3, an annular heat insulation plate 8 is clamped on the second annular step 25, a through hole is formed in the center of the annular heat insulation plate 8, the nozzle end of the oil nozzle cap 612 extends into the combustion chamber, and the annular heat insulation plate 8 can protect the atomizing nozzle 61 from being baked at high temperature, so that a heat insulation effect is achieved.
Example two
The difference between the present embodiment and the first embodiment is that, as shown in fig. 4 and fig. 6, the air guiding ring 6135 has an air guiding flange protruding outward from the outer side wall of the swirling flow column 6133, and a plurality of air guiding holes 6137 are formed in the air guiding flange along the axial direction of the air guiding flange, so that air can be smoothly guided into the ventilation gap 614 from the air inlet bin 615 to achieve an air guiding effect.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.
Claims (10)
1. A high-efficiency combustion furnace comprises a hearth, a furnace core assembly, an atomization assembly, a blast air assembly and an oil supply assembly, wherein the furnace core assembly comprises a furnace core main body, an igniter and a fire distribution frame erected above the furnace core main body, the furnace core main body comprises a transition section and an upper opening section which are sequentially connected from bottom to top and provided with hollow inner cavities and distributed in a ladder shape, the upper opening section and the hollow inner cavities of the transition section jointly form a combustion pool of the furnace core main body, and the high-efficiency combustion furnace is characterized in that: a plurality of power-assisted air holes are formed in the side wall of the lower end of the transition section; the blast assembly comprises a blast sleeve, a blower and a blast pipeline, the blast sleeve is sleeved outside the furnace core main body, a blast cavity for air inlet is formed between the blast sleeve and the furnace core main body, the blast cavity is communicated with the blower through the blast pipeline, the atomizing assembly comprises an atomizing nozzle, a fan and an air supply pipeline, the atomizing nozzle comprises a nozzle seat, an atomizing valve core and an oil nozzle cap, one end of the nozzle seat is detachably connected with one end of the oil nozzle cap, a containing cavity for containing the atomizing valve core is formed in the nozzle seat and the oil nozzle cap, one end of the atomizing valve core is an oil inlet end, the other end of the atomizing valve core is provided with an oil outlet, an oil delivery channel is arranged in the atomizing valve core, a rotational flow column is arranged at the position of the atomizing valve core close to the oil outlet, and an air guide ring is arranged at the position of the atomizing valve core close to the rotational flow column, the end face of one end of the swirling flow column close to the oil outlet nozzle is provided with a plurality of swirling flow grooves, the bottom surfaces of the swirling flow grooves are inclined planes, swirling flow bins which are beneficial to atomization of liquid fuel are formed between the swirling flow grooves and the oil nozzle cap, a plurality of air guide holes or air guide grooves are formed in the air guide ring along the axial direction of the air guide ring, the outer wall of the air guide ring is abutted against the inner wall of the accommodating cavity, a ventilation gap is formed between the outer wall of the swirling flow column and the inner wall of the accommodating cavity, an air inlet bin is formed between the atomizing valve core and the accommodating cavity, one end of the oil nozzle cap, which corresponds to the oil outlet nozzle, extends into the position, close to the power assisting air hole, of the combustion pool, the atomizing nozzle is communicated with the fan through the air supply pipeline, the oil supply assembly comprises an oil supply oil tank and an oil supply pipeline, and the oil supply, the oil supply oil tank is arranged above the atomizing nozzle.
2. A high efficiency burner as set forth in claim 1, wherein: one end of the nozzle seat corresponding to the oil inlet end is provided with a first internal threaded hole, a limiting groove for limiting the atomization valve core is also arranged in the nozzle seat, the oil inlet end of the atomization valve core is embedded in the limiting groove, the groove bottom of the limiting groove is communicated with the first internal threaded hole, one end of the oil supply pipeline is in threaded connection with the first internal threaded hole, a second internal threaded hole used for connecting the air supply pipeline is further formed in the inner wall of the nozzle seat, the nozzle cap is provided with a connecting end extending into the nozzle seat and a nozzle end opposite to the connecting end, the nozzle end is provided with a nozzle corresponding to the oil outlet nozzle, the nozzle end is conical, the outer wall of the connecting end is provided with an external thread section, and the other end of the nozzle seat is provided with a third internal threaded hole in threaded connection with the external threaded section.
3. A high efficiency burner as set forth in claim 1, wherein: the whirl post is close to the one end terminal surface of oil outlet nozzle is the conical surface, thereby makes each the bottom surface in whirl groove forms the inclined plane, each whirl groove with the circumference normal direction of whirl post becomes 30 ~ 45 contained angles, each the end in whirl groove runs through the edge of the terminal surface of whirl post.
4. A high efficiency burner as set forth in claim 1, wherein: the atomizing nozzle passes through the mount and installs the bottom of air-blowing cover, the mount include with nozzle holder threaded connection's fixation nut and a plurality of fixed arms of being connected with fixation nut, each the fixed arm passes through the fastener and fixes the bottom of air-blowing cover.
5. A high efficiency burner as set forth in claim 1, wherein: the fire distribution frame comprises a plurality of fire distribution sheets which are divergently arranged in all directions, each fire distribution sheet is spirally inclined towards the same direction and gradually inclines downwards from inside to outside, so that the middle of the fire distribution frame upwards forms an arch part, and each fire distribution sheet is provided with a convex block which is erected on the top end of the upper opening section on the outer side wall close to one end of the furnace core main body.
6. A high efficiency burner as set forth in claim 1, wherein: the stove core main part includes by lower supreme lower uncovered section, changeover portion and the uncovered section that is the echelonment and distributes that has the cavity inner chamber that connects gradually, go up uncovered section with the cavity inner chamber of changeover portion forms jointly the combustion pond, the external diameter of the lower uncovered section of stove core main part is less than the external diameter of changeover portion, the internal diameter of the lower uncovered section of stove core main part is less than the internal diameter of changeover portion and is formed with first annular step down between the inside wall of uncovered section and changeover portion, the lateral wall of changeover portion is close to seted up a plurality ofly on the position of first annular step helping hand wind eye, the external diameter of the changeover portion of stove core main part is less than the external diameter of uncovered section, the internal diameter of the changeover portion of stove core main part is less than and is formed with second annular step between the inside wall of changeover portion and the uncovered section, the upper end of uncovered section encircles its week and has seted up a plurality of first wind eyes, and a plurality of second air holes are formed in the second annular step.
7. A high efficiency burner as set forth in claim 6, wherein: an annular flange is arranged on the outer side wall of the upper end of the upper opening section, and each first air hole is vertically arranged at the position, close to the opening, of the annular flange.
8. A high efficiency burner as set forth in claim 7, wherein: the bottom of annular flange extends and is provided with annular support portion, be provided with the confession on the lateral wall of the upper end of blast sleeve annular flange that annular support portion supported, be provided with L type depressed part on the lateral wall of annular flange, the opening that supplies flame to rush out is seted up to furnace's central authorities, furnace's bottom be close to its open-ended position with L type depressed part card is established.
9. A high efficiency burner as set forth in claim 6, wherein: stove core subassembly is still including gathering the fire circle, the central authorities of gathering the fire circle are formed with and gather the fire chamber, it establishes to gather the fire circle set up on the uncovered section and with each first wind eye surrounds, the uncovered section corresponds be provided with in the position of first wind eye with gather the spacing step that the fire circle offseted and leaned on.
10. A high efficiency burner as set forth in claim 6, wherein: each the second wind eye by supreme down to slope in the combustion chamber gradually, each the extension line of the axis of second wind eye intersects in same point, the ignition end of some firearm passes in proper order the air-blowing cover reaches the wick main part stretches into in the combustion chamber, each the helping hand wind eye is the unanimous wind eye of incline direction, it is located each to go out the oil nozzle the top of helping hand wind eye, the card is equipped with an annular heat insulating board on the second annular step, the confession has been seted up in the central authorities of annular heat insulating board the oil nozzle cap one end stretches into through-hole in the combustion chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021156681.8U CN212511121U (en) | 2020-06-19 | 2020-06-19 | High-efficient combustion furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021156681.8U CN212511121U (en) | 2020-06-19 | 2020-06-19 | High-efficient combustion furnace |
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| Publication Number | Publication Date |
|---|---|
| CN212511121U true CN212511121U (en) | 2021-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021156681.8U Active CN212511121U (en) | 2020-06-19 | 2020-06-19 | High-efficient combustion furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212511121U (en) |
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2020
- 2020-06-19 CN CN202021156681.8U patent/CN212511121U/en active Active
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Effective date of registration: 20240118 Address after: 201422 building 10, No. 860, Xinyang Road, Lingang New District, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai Patentee after: YIGE BUILDING TECHNOLOGY (SHANGHAI) CO.,LTD. Address before: Xia Mei Zhen Xing Pu Cun, Nan'an City, Quanzhou City, Fujian Province 362300 Patentee before: QUANZHOU MINGRAN KITCHEN EQUIPMENT CO.,LTD. |
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