CN2097959U

CN2097959U - Forced contraflow rotary heater

Info

Publication number: CN2097959U
Application number: CN91223145U
Authority: CN
Inventors: 姜头焕
Original assignee: Samsung Electronics Co Ltd
Current assignee: Samsung Electronics Co Ltd
Priority date: 1990-08-14
Filing date: 1991-08-14
Publication date: 1992-03-04
Also published as: JPH087213Y2; FR2665942B1; DE4126745A1; FR2665942A1; JPH0743977U

Abstract

The utility model relates to a forced convective rotary heater. In the forced convective rotary heater, a cold air film is formed between a body and burners so as to block the conductive heat except the radiant heat; part of the air of the cold air film can be used as a secondary air for supply so as to enable the unburned gas to be completely burnt to improve the heating efficiency. An outer combustion tube is provided with an air guiding element, and the side periphery of the upper part of a heat dissipating plate is provided with a shield plate which enables the air sprayed from the guiding element to be convected. Meanwhile, in order that the inner and the outer burners can keep definite distance L, a supporting plate is arranged between the inner and the outer burners. The inner burner is provided with a row of flame holes, and the circumference of each flame hole is in the shape of a circle and faces the center of the burner. The outside of flame holes is correspondingly provided with a plurality of internal nets formed by a row of protrusions with the same shapes.

Description

Forced contraflow rotary heater

The present invention relates to fuel oil and the air that is air feed in the burner,, again the combustion gas of this mixing is offered the glory hole that forms on the internal-combustion device, form the rotary heater of forced convertion type of flame thus by the preheater heating with atomizing.

Traditional rotary heater of forced convertion type, for example have Japan special permission communique to put down into to arrive described in the 2-1875, the rotary heater of forced convertion type that wherein relates to, be the vaporization tube inside of the high speed rotation on tray for combustion position substantially placed in the middle, the fuel and the air of vaporization are risen and vaporization simultaneously, spray from tray for combustion, and carry out a kind of burner of fired vapour, wherein, the vaporization tube top is overheated because of flame radiation heat in order to prevent to burn, and dress is with the coating of powder such as ceramic material formation on the outer wall at vaporization tube top and inwall.But the rotary heater of forced convertion type of Gou Chenging though can prevent the problems of excessive heat that cause because of Fire Radiation heat at the vaporization tube top, all exists the problem of the combustion noise that produces in the time of can not reducing burning like this.

Fig. 1 shows the rotary heater of forced convertion type of understanding that another kind has earlier.From being located at the fuel oil of the nozzle 7a ejection in the injection dish 10, after vaporizing,, in the blending space that loam cake 9 and lower cover 12 form, spill again as shown in Figure 1 by spraying the slit (not shown in the figures bright) of coiling 10 the two formation of 10 edges with the bearing and the injection of fan.

The fuel oil of this atomizing attitude that spills, the effect of the impeller that drives by bright motor not shown in the figures, be supplied in the above-mentioned blending space, in preheater 13 vaporizations, therefore warmed-up air is mixed into air mixture in the blending space, air mixture tap 12a via forming in the lower cover 12 offers between external firing device 1-and the internal-combustion device 2.

At this, by the in-house network 5 that be arranged in parallel with internal-combustion device 2 lateral surfaces and the glory hole 4 of flat, by igniter 18 igniting, through this igniting and warmed-up combustion air makes and to be contained in heat liberation board 34 heating on inside and outside the

burner

2,1, be subjected to being installed in the driving of the forced convertion type motor on this plate 34 and rotate forced convertion type fan, just the combustion heat is disperseed towards the bottom direction.But overheated in order to prevent when the burning beginning, be to survey flame with a kind of flame rod 28, make bright control part work not shown in the figures with it, with the intensity of control flame.

But in this rotary heater of forced convertion type that has earlier with said structure, because forced convertion type motor 36 is to be installed on the upper lateral part of said structure by other mode with forced convertion type fan, in order to drive this motor and fan the warmed-up combustion heat is disperseed along the arrow A direction, just need forced convertion type motor and the fan established in addition, this not only becomes the high main cause of price, and because air is blown in the confined space, also become efficiency of combustion low, the main cause of incomplete combustion, the result not only produces stench, can unplessantness displeasure be arranged the user, and bring quality to hang down inferior many problems.

In addition, in this forced convertion type rotary mechanical atomizing oil burner that has earlier, glory hole in the internal-combustion device 2 is pancake, and in its outside what adhere to is the in-house network of flat, this has just constituted the reason of incomplete combustion, because end is the prominent form of point before the flame 19 of glory hole 4 ejections that form on heater 2 sidewalls internally in when burning, because mutual

relative flame

19,19 interference, in internal-combustion device 2, formed resonance region A near roughly placed in the middle, produce the above sonorant of 60dB, not only brought the unplessantness displeasure of noise pollution to the user, and since at one end in maintain between interlaced internal-combustion device 2 and the external firing device 1 certain clearance 1 between also have can not the even variety of problems such as goods of in a large number production quality.

For this reason, in view of above-mentioned variety of problems, the present invention's purpose is, between heater assembly body and burner, form the cold air film, reach and remove the effect that radiant heat external enwergy blocking-up hot body is led, and can carry out completing combustion at the same time, promptly the portion of air of this air film is supplied with as auxiliary air, make the completing combustion of unburned combustion gas energy, a kind of rotary heater of forced convertion type that can improve heat supply efficiency is provided therefrom.

In order to achieve the above object, feature of the present invention is to have taked the device form described later among the following rotary heater of forced convertion type: the rotary heater of this forced convertion type comprises: the injection dish, spray the heater portion that fan and inside and outside burner constitute, drive this injection dish, spray the motor of fan and impeller, store the fuel bath of burning with fuel, from then on inhale the electromagnetic pump of burning on the fuel bath with fuel, force blast tube will be thus the burning that sucts of electromagnetic pump spray into nozzle in the said burner portion with fuel, and be assemblied in the body on this fuel bath; And the device form of being taked is, for between an above-mentioned body and a heat liberation board, the air of impeller suction being sprayed into air film, and externally the base of burner is provided with air guide part, be configured in the shield that is used for making the air generation convection current of ejecting from this air guide portion on the aforementioned heat liberation board top periphery, make a water plate that keeps certain intervals between aforementioned internal-combustion point and the external firing point, towards heater central authorities and along internal-combustion device week along outstanding a collection of glory hole spherical in shape, for the front end that makes this kind flame form spherical, and a plurality of in-house networks that form by the protuberance identical in the outside of this kind glory hole with the glory hole shape.

Embodiments of the invention are described in detail in detail with reference to the accompanying drawings.For economize removing the explanation of repeatability, corresponding with the forced convertion type rotary burner that has earlier shown in Figure 1, identical structure member is attached with identical several numbers.

As shown in Figure 2, be provided with the adjustable pin shape spare of a plurality of

levels

21,21 in the bottom of combustion oil fuel storage groove 8, groove 8 is provided with electromagnetic pump 22 at upper lateral part, kerosene in the groove 8 passes through blast tube 7 by means of electromagnetic pump 22 along white arrow, from being located at the spray spray 7a ejection of spraying in the fan 6, (the not showing bright) microgap that forms between bearing by fan 6 and the injection dish 10, in the blending space that loam cake 9 and lower cover 12 form, the combustion fuel of atomizing is spilt, again by being located at preheater 13 heating on lower cover 12 outer peripheral faces or carrying out Contact Evaporating.

The following describes, be disposed on the external firing device 1 base 1a, between tubular body 36 and external firing device 1 and heat liberation board 34, form the structure of the air guide member 40 of air film.

To shown in Figure 5, air guide member 40 comprises: the first air guide plate 40a that profile is roughly rounded as Fig. 3; With respect to guide plate 40a, form the second air guide plate 40b of the complications in up-narrow and down-wide space; The air entrance hole 40e that on the base plate 40d of this first and second

air guide plate

40a, 40b, forms at regular intervals; And be used for making the air that imports this hole 40e to eject formation air film 33, and near the circle that

air guide plate

40a, 40b top edge, forms at regular intervals ejection passage 40c.

Come again referring to Fig. 6 and Fig. 7, the structure of support plate 23 is described and it is installed on method between external firing device 1 and the internal-combustion device 2.

As shown in Figure 7, the section of support plate 23 is slightly L-shaped, and its meanders has the reinforcement 23b that is formed by punch process; The curved surface shaped that this support plate 23 and external firing device engage becomes the identical curved surface of internal diameter and external firing device 1, simultaneously, this curved surface for on external firing device 1 internal face every 120 ° of two welding pearl 1a(of portion that form at interval referring to Fig. 8) combine, and be provided with two

conjugate foramen

23a, 23a that on fixed position, form.Like this, in the time of in the welding pearl 1a of portion inserts conjugate foramen 23a, support plate 23 just is positioned on the external firing device, their this bonding part, it is the part of conjugate foramen 23a, can fix by known technology welding, so just can make internal-combustion device 20 and external firing device 1 can keep certain intervals L, can prevent their eccentric dislocation simultaneously.Promptly, because the curved surface of support plate 23 is fixed on the inboard of external firing device 11, the end of the another side of its complications then joins with internal-combustion device 20, make internal-combustion device 20 and external firing device keep certain intervals simultaneously, so just can carry out the suitability for industrialized production of the certain rotary heater of forced convertion type of quality.

Below explanation has the work of the rotary heater of forced convertion type of the present invention of said structure.

At first the revolving driving button that does not mark among the figure is placed on-position, driving by electromagnetic pump 22, burning in the fuel bath 8 with kerosene just along white arrow, spray from the nozzle 7a that is located in the injection dish, at this moment, receive that the injection dish of rotatory force of motor 15 and fan 6 just rotate and the kerosene that ejects, just on top, rise on the face of injection dish since then, in between the microgap that forms between bearing that sprays fan 6 and the injection dish 10, pass through, spill from loam cake 9 and lower cover 12 formed spaces with spray pattern.

Then, owing to motor 15 drives the fan 16 that rotates, it is empty 30 to make that a part in the room air imports by air cleaner 14 and combustion air, along the passage shown in the black arrow, heats this by preheater 13 and supplies to combustion air in the blending space.At this, the fuel of warmed-up combustion air and vaporization in blending space under the rotary action of the fan 1 ' 6 that aforementioned motor 15 drives by its 15a, has become composite vaporization air mixture.This air mixture that mixes, as shown in Figure 6, by the mist tap 12a that offers in the lower cover 12, again by being installed between external firing device 1 and the internal-combustion device 20 and with it by between 120 ° of isolated support plates 23, be supplied between internal-combustion device 20 and the external firing device 1 in the formed space, and show bright in detail as Fig. 6 and 7, in-house network 17 by (between the internal-combustion device 20 and external firing device 1 among Fig. 6 and Fig. 7) set hemispherical outstanding shape of metal system of forming by stainless steel or chromium steel on the outside of internal-combustion device 20, and the middle body of the burner in the burner of internal-combustion device 20, have a row glory hole 24 ejections identical shaped and that the periphery glomeration is outstanding with net 17 simultaneously.Then, mist through these row glory hole 24 ejections is lighted a fire by igniter, forming shown in Figure 8 is the flame 19 that front end does not have the prominent shape of point, then form the sympathetic response zone with regard to the impact that does not have because of the projecting part of mutual relative flame, thus can not produce noise pollution.

On the other hand, in the rotation by impeller 16 from the air of indoor importing, especially by the air guide member on the bottom 1a that is located at external firing device 1 40 import bright as shown in phantom in FIG., just discharge between the set heat liberation board 34 of with through hole 36a formed tubular body 36 and burner top and formed air film 33 at the warmed-up air of ejection.This air film 33 is along with its liter contact to top or with flame 41, or by from the heating of the radiant heat of heat liberation board 34, the while with mix at air film 33 inboard warmed-up air.The warmed-up mist of this kind is reflected towards the arrow B direction by shield 31 guiding that are located on the heat liberation board 34 top peripheries, and a row through hole 36a who becomes by institute's shape on body 36 arranges to indoor.

Thereby, because this air film 33 has interdicted the hot heat-resisting degree of reliability of body 36 that not only improved of convection current except that radiant heat and conduction, and in order to make the unburned fuel gas buring that rises to heat liberation board 34, the portion of air of above-mentioned air film 33 can be used as second-time burning and provides with the combustion air, and carried out completing combustion, thereby incomplete stink flavor just can not take place to burn.

As mentioned above, according to the rotary heater of forced convertion type of the present invention, owing to being the base of externally heater and being provided with air guide member with first and second air guide plate, can make an airborne part via the impeller importing that is located at the bottom be supplied in burner and make combustion-supporting usefulness, remaining portion of air is then imported by the air entrance hole that is formed on the air guide member base plate, and discharge from the ejection passage of air film formation usefulness, between body and heat liberation board and burner portion, form air film, thereby can be by the convection current and the conduction heat of this air film blocking except that radiant heat, make the heat-resisting reliability of body improve, and along with the portion of air that forms air film rises to the heat liberation board direction, can be provided for burning in the unburned gas as auxiliary air, just can accomplish that completing combustion improves heat supply efficiency, and owing to accomplished completing combustion, the foul smell that brings because of unburned gas just can not take place.

In addition, because the periphery of internal-combustion device glory hole forms the form that round shape is vacated, and in-house network is to form with the shape relative with above-mentioned flame, prevented prominentization of point of flame front portion, so the combustion noise because of the sonorant generation can not take place between relative mutually flame, this not only can make noise reach bottom line, but also owing between internal-combustion device and external firing, support plate has been installed, make being used for that the present invention can be extremely practical make under the certain condition of burner interbody spacer maintenance the stay-in-grade this burner of large-scale production.

Be the simple declaration of accompanying drawing below:

Fig. 1 is the profile that shows the rotary heater critical piece of forced convertion type in the bright prior art;

Fig. 2 is the schematic cross sectional view of the rotary heater of forced convertion type of the present invention;

Fig. 3 is the overall oblique view of air guide member that is applicable to the present invention;

Fig. 4 is from above-mentioned air guide member bottom oblique view in the past;

Fig. 5 is the profile along A-A line among Fig. 4;

Fig. 6 is the amplification profile of burner portion among Fig. 2;

Fig. 7 is the oblique view of the amplification of the support plate addressed;

Fig. 8 is the profile that shows flame profile in the rotary heater of bright forced convertion type of the present invention;

Each several numbers pairing part descriptions are as follows among the figure:

1: the external firing device; 2.20: the internal-combustion device;

4.24: glory hole; 5.17: in-house network;

9: loam cake; 10: the injection dish;

12: lower cover; 13: preheater;

23: support plate; 31: shield;

33: air film; 34: heat liberation board;

36: body; 36a: through hole;

40: air guide member; 40a: the first air guide plate;

40b: the second air guide plate; 40c: air film forms with the ejection passage

40d: base plate; 40e: air entrance hole

Claims

1, the rotary heater of a kind of forced convertion type, it comprises the burner portion that is made up of injection dish 10, injection fan 6 and inside and outside burner 2,1; Drive the motor 15 of this injection dish 10, injection fan 6 and impeller 16; The burning accumulator tank 8 of fuel; From then on fuel bath 8 sucts the electromagnetic pump 22 of burning with fuel; The body 36 that will spray to the nozzle 7a of the injection dish 10 in the previous combustion portion and be arranged on above-mentioned fuel bath 8 tops with fuel from the burning that electromagnetic pump 22 sucts via blast tube 7, it is characterised in that: be sprayed into air film in order to make by impeller 16 inhaled airs between above-mentioned body 36 and heat liberation board 34, externally be provided with air guide member 40 on the base 1a of burner 1, be provided with the shield 31 that is used for making the air generation convection current of ejecting from air guide member 40 around the upper side on above-mentioned heat liberation board 34, penetrate the support plate 23 that keeps certain intervals to be provided with between device 2 and the external fuel device 1 for making above-mentioned inner combustion, the rounded row glory hole 24 of periphery that forms towards the middle body of burner portion and on above-mentioned internal-combustion device 2 is for the front end that makes flame 19 forms the spherical outside at aforementioned glory hole 24 by having the row in-house network 17 that identical shaped protuberance forms with glory hole.

2, the rotary heater of forced convertion type as claimed in claim 1, be characterised in that: air guide member 40 wherein includes the first air guide plate 40a, form down the narrow second air guide plate 40b of the complications in wide space down with respect to this guide plate 40a, at this first and second air guide plate 40a, the base plate 40d of 40b goes up every the formed a collection of hole conductance hand-hole 40e of certain intervals, and be that the air that imports in this kind air entrance hole is ejected when forming air film 33, and at above-mentioned first and second air guide plate 40a, the annular ejection passage 40c that forms at interval in accordance with regulations between the top edge of 40b.

3, the rotary heater of forced convertion type as claimed in claim 1 is characterised in that: on aforesaid support plate 23, the roughly the same curved surface in footpath within internal diameter and the external firing device 1 is arranged on the shape; On this curved surface, be formed with conjugate foramen 23a, be used for combining with the welding pearl 1a of portion that forms on the external firing device and being maintained fixed; Also on the crooked position of this support plate, be formed with the supporting member 23b that strengthens usefulness at that time.

4, the rotary heater of one-tenth system convection as claimed in claim 1 is characterised in that: the in-house network of being addressed 17 is the metallic articles of choosing any one kind of them from stainless steel and chromium steel and constituting.

5, the rotary heater of forced convertion type as claimed in claim 1 is characterised in that: aforesaid support plate 23 is between internal-combustion device 20 and external firing device 1, is provided with by 120 ° of intervals.