CN205718448U - A kind of efficient heating stove - Google Patents
A kind of efficient heating stove Download PDFInfo
- Publication number
- CN205718448U CN205718448U CN201620179664.3U CN201620179664U CN205718448U CN 205718448 U CN205718448 U CN 205718448U CN 201620179664 U CN201620179664 U CN 201620179664U CN 205718448 U CN205718448 U CN 205718448U
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- China
- Prior art keywords
- combustor
- burner
- space
- heating stove
- shower nozzle
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
This utility model relates to a kind of efficient heating stove, including body of heater (1), fire door (2), flue (3), exhaust opening (4), housing (5), combustor (6), burner (7) and air inlet (8), housing (5) includes sidewall (50), opening (51) and accommodates space (52), combustor (6) includes that combustion space (60) and tubaeform shower nozzle (61), the high-temperature flue gas that burning produces are discharged by tubaeform shower nozzle (61)；Tubaeform shower nozzle (61) includes fan-shaped sidewall (610), loudspeaker import (611), horn outlet (612) and cone space (613), and the high-temperature flue gas that burner (7) produces is sprayed by horn outlet (612) after combustion space (60) mixed combustion；Compared with prior art, the technical program improves when initial heating the uniformity of heating, and overall structure is simple, and it can be applicable to high-temperature flue gas and can not directly reclaim and burn and carry out the occasion of heat utilization.
Description
Technical field
This utility model relates to a kind of heating furnace, particularly relates to an industrial furnace carrying out Direct Contact Heating for direct burner as thermal source.
Background technology
Industrial furnace is widely used in many occasions as a kind of conventional industrial products, including electric furnace, heating furnace, biomass carbonizing furnace etc..In use, sometimes need some metal works are carried out heat treatment, heat source can be electrical heating, fuel Heating or gas heating in the prior art, generally this industrial furnace includes body of heater 1 ', burner 7 ' and combustion air import 601 ', being provided with in body of heater 1 ' and have the hermetic container 9 ' adding heat space 90 ', pending object 91 ' is put into 90 ' and is carried out heat treatment.In actual use, burner 7 ' is arranged on the side of hermetic container 9 ' and carries out high-temperature heating, because of its offering question, the heating surface (area) (HS of burner 7 ' is limited, especially during initial heating, the portion temperature causing hermetic container 9 ' to contact with high temperature heat source is uneven, affects thermal effectiveness during starting most, so that metal heat treatmet effect is bad；The high-temperature flue gas that burner 7 ' produces simultaneously is wayward, and the temperature-controlled precision causing hermetic container 9 ' is limited, affects thermal effectiveness further；Meanwhile, in a lot of use occasions, the high-temperature flue gas produced because of part of fuel can not directly recycle because of its complicated component, causes its overall thermal utilization ratio low.
Utility model content
The purpose of this utility model is to provide a kind of heating furnace, this heating furnace is by arranging preheating pipe and the effect of tubaeform shower nozzle, improve when initial heating the uniformity of heating, overall structure is simple, and it can be applicable to high-temperature flue gas and can not directly reclaim and burn and carry out the occasion of heat utilization.
In order to achieve the above object, this utility model provides a kind of efficient heating stove, including body of heater, fire door, flue, exhaust opening, housing, combustor, burner and air inlet, described fire door can open or close, described housing includes sidewall, opening and accommodates space, described burner combustion produces high-temperature flue gas and the heating chamber of described housing inner housing space is carried out heat treated, described combustor includes combustion space and tubaeform shower nozzle, described burner is positioned at described combustion space, and the high-temperature flue gas that burning produces is discharged by described tubaeform shower nozzle；Described tubaeform shower nozzle includes fan-shaped sidewall, loudspeaker import, horn outlet and cone space, and the high-temperature flue gas that described burner produces is sprayed by horn outlet after the mixed combustion of combustion space；Described air inlet is positioned at the rear side of described combustion space and communicates with the combustor air inlet of described combustion space；Also including economizer bank, one end economizer bank import of described economizer bank is arranged on outside body of heater, and its other end is positioned at described air inlet one end, and this economizer bank includes horizontal channel and Vertical Channel；The gas of the port of export ejection of described Vertical Channel forms gas curtain, and this gas curtain covers described air inlet, and can enter in described air inlet after outside air heating；Described horn outlet is more than radical length value d2 of described heating chamber at the length value d1 of radial direction；Described high-temperature flue gas flows out through flue and is discharged by exhaust opening.
The beneficial effect of the technical program:
null(1) compared with prior art，Heating furnace in this utility model has combustion space and horn opening，High-temperature flue gas in this combustion space is sprayed by horn opening，Form demolition effect，On the one hand the gas flow rate of high-temperature flue gas is reduced，High-temperature flue gas is made to can proceed with fully burning in horn mouth，Reduce the processing pressure of follow-up flue gas，On the other hand gas is through horn mouth ejiction opening，The radius that flows to of its flue gas increases，And the flue gas flow rate of horn mouth center it is higher than along the flue gas flow rate of horn mouth sidewall，So the most more outer wall flowing to add heat space of high-temperature flue gas，The contact area making flue gas and add heat space is bigger，The programming rate adding heat space is accelerated，The high-temperature flue gas simultaneously adding the contact of heat space diapire is less compared with its sidewall，In initial warm，It is not easily formed the phenomenon that local temperature is too high.
(2) compared with prior art, this utility model is provided with economizer bank, can supply fuel or air by economizer bank, it is achieved dual-purpose in combustion space；When body of heater requires supplementation with fuel, supplementary fuel can be provided it, meanwhile, it is possible to be passed through air, oxygen or other gas supports burning.Meanwhile, this gas forms gas curtain, and this gas curtain can heat the gas temperature that will enter described air inlet, adds the heat utilization efficiency of system.
As a kind of embodiment, described Vertical Channel includes transition bend pipe and shower nozzle, and described shower nozzle and described horizontal channel are towards the angled setting in body of heater direction.During work, gas sprays along gradient direction, runs with certain speed towards air inlet, forms negative pressuren zone in its vicinity, and the gas of air inlet supports heat supply in rapidly entering combustor under the effect of negative pressuren zone.
As a kind of embodiment, described economizer bank is connected with air or gaseous fuel, and described air or gaseous fuel enter described combustion space combustion heat supplying by economizer bank after being heated.
As a kind of embodiment, described economizer bank includes that the first economizer bank and the second economizer bank, described first economizer bank and the second economizer bank stagger setting up and down, and its port of export is correspondingly arranged and is formed the first gas curtain and the second gas curtain.First gas curtain and the second gas curtain can increase the gas curtain width at horizontal direction, enhance the using effect of gas curtain.
As a kind of embodiment, described heating chamber has and adds heat space, the material of described process to be heated be placed in described in add in heat space.The described heat space that adds exchanges as confined space with the external world's not air inlet body in the course of the work, material within it carries out high-temperature heating, this material can be metal, can certainly be nonmetal, need to carry out the material of high-temperature process such as biomass straw, mud, oily sludge, spoil, Biohazard Waste etc..
As a kind of embodiment, the diameter value of described loudspeaker import is d3, and the ratio of described d3 and described d1 is 1/3～5/6.Utility model people finds under this ratio value through test of many times, and its high-temperature flue gas radius value bell-mouthed can reach preferable effect data with the flow velocity of exiting flue gas.
As a kind of embodiment, the ratio of described d1 and described d2 is 1/2.At this moment, tubaeform shower nozzle its can form preferable curve smoothing transition along the gas flow rate of sidewall and the center gas flow velocity of tubaeform shower nozzle, be conducive to adding the heating of heat space.
As a kind of embodiment, also include that heating element heater, described heating element heater are positioned at described cone space.This thermal element is arranged in described cone space, can realize feeding heat supply or heating being implemented separately, when feeding heat supply, heating can be effectively realized by the heating power of regulation heating element heater, because heating element heater heat more easy to control exports, so in the case of the higher control of needs precision, can individually heat as thermal source by practical heating element heater, now have only to open burner carry out air and supply, it is possible to realize adding the air heating of heat space.
As a kind of embodiment, described combustor includes that the first combustor and the second combustor, the sidewall of described second combustor offer the sidewall opening flow through for fuel.High-temperature flue gas can be shunted by the setting of the first combustor and the second combustor, improves degree of mixing and the temperature homogeneity of high-temperature flue gas.The high-temperature flue gas simultaneously flowed out by sidewall opening mainly can flow along the sidewall adding heat space, is conducive to improving the firing rate of heating space wall.
As a kind of embodiment, described sidewall opening is circular hole or groove.
As a kind of embodiment, described burner is oil burner, is provided with a baffle plate and is classified as first jet and second nozzle in the nozzle of described burner.The fuel flow rate second nozzle to be less than of first jet, in that case, the flame profile of burner is more stable, and the fan-shaped radius of its burning is higher, and is difficult to stop working.
As a kind of embodiment, also including supplementing cartridge, described supplementary cartridge is positioned at the center position of described nozzle, and its outer wall is provided with spoiler, this spoiler is positioned at the front of described baffle plate, and described mixed gas separately flows into first jet and second nozzle after spoiler cuts；This supplementary cartridge can carry out suitable concurrent heating, improves the seriality of heat supply.
Accompanying drawing explanation
Technical scheme for clearer explanation this utility model embodiment, in describing embodiment below, the required accompanying drawing used is briefly described, apparently, drawings discussed below is only embodiments more of the present utility model, from the point of view of those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the overall structure schematic diagram of a kind of efficient heating stove prior art；
Fig. 2 is the structural representation of the efficient heating stove of embodiment one；
Fig. 3 is the structural representation of the tubaeform shower nozzle of efficient heating stove of embodiment one；
Fig. 4 is the efficient heating stove economizer bank structural representation of embodiment one；
Fig. 5 is tubaeform shower nozzle, the first combustor and the structural representation of the second combustor embodiment one；
Fig. 6 is tubaeform shower nozzle, the first combustor and the structural representation of second another embodiment of combustor；
Fig. 7 is burner embodiment one sectional structure schematic diagram；
Fig. 8 is the front view structural representation of the embodiment one according to burner；
Fig. 9 is another embodiment sectional structure schematic diagram of burner；
Figure 10 is the structural representation of the circulating water pipeline of embodiment one；
Figure 11 be embodiment one add heat space average temperature distribution figure in a longitudinal direction；
Figure 12 be embodiment one add temperature ramp figure in heat space；
Figure 13 is the structural representation of gas-fired heater another embodiment of airway；
Figure 14 is another embodiment partial view of gas-fired heater airway.
Detailed description of the invention
Below in conjunction with the accompanying drawings the technical scheme in this utility model embodiment is clearly and completely illustrated.
Embodiment one
Fig. 1 is the overall structure schematic diagram of a kind of efficient heating stove prior art；Fig. 2 is the structural representation of the efficient heating stove of embodiment one；Fig. 3 is the structural representation of the tubaeform shower nozzle of efficient heating stove of embodiment one；Fig. 4 is the economizer bank structural representation of embodiment one；Fig. 5 is tubaeform shower nozzle, the first combustor and the structural representation of the second combustor embodiment one；Fig. 6 is tubaeform shower nozzle, the first combustor and the structural representation of second another embodiment of combustor；Fig. 7 is burner embodiment one sectional structure schematic diagram；Fig. 8 is the front view structural representation of the embodiment according to burner；Fig. 9 is another embodiment sectional structure schematic diagram of burner；Figure 10 is the structural representation of the circulating water pipeline of embodiment one；Figure 11 be embodiment one add heat space average temperature distribution figure in a longitudinal direction；Figure 12 is the heating space temperature heating rate figure of embodiment one.
As shown in Figure 2, a kind of efficient heating stove, including body of heater 1, fire door 2, flue 3, exhaust opening 4, housing 5, combustor 6, burner 7 and air inlet 8, described fire door 2 can open or close, described housing 5 includes sidewall 50, opening 51 and accommodates space 52, the burning of described burner 7 produces high-temperature flue gas and the heating chamber 9 of described housing 5 inner housing space 52 is carried out heat treated, described combustor 6 includes combustion space 60 and tubaeform shower nozzle 61, described burner 7 is positioned at described combustion space 60, and the high-temperature flue gas that burning produces is discharged by described tubaeform shower nozzle 61.
As it is shown on figure 3, described tubaeform shower nozzle 61 includes fan-shaped sidewall 610, loudspeaker import 611, horn outlet 612 and cone space 613, the high-temperature flue gas that described burner 7 produces is sprayed by horn outlet 612 after the mixed combustion of combustion space 60；Described air inlet 8 is positioned at the rear side of described combustion space 60 and communicates with the combustor air inlet 601 of described combustion space 60；
As shown in Figures 2 and 4, also including economizer bank 10, one end economizer bank import 100 of described economizer bank 10 is arranged on outside body of heater 1, and its other end is positioned at described air inlet 8 one end, this economizer bank 10 includes horizontal channel 101 and Vertical Channel 102, and this horizontal channel 101 is arranged in described flue 3；The gas of the port of export ejection of described Vertical Channel 102 forms gas curtain 12, and this gas curtain 12 covers described air inlet 8, and can enter in described air inlet 8 after outside air heating；Described horn outlet 612 is more than radical length value d2 of described heating chamber 9 at the length value d1 of radial direction；Described high-temperature flue gas flows out through flue 3 and is discharged by exhaust opening 4.
Wherein, described economizer bank 10 includes that the first economizer bank 103 and the second economizer bank 104, described first economizer bank 103 and the second economizer bank about 104 stagger setting, and its port of export is correspondingly arranged and is formed the first gas curtain 121 and the second gas curtain 122.Wherein, described heating chamber 9 has and adds heat space 90, the material of described process to be heated be placed in described in add in heat space 90.
Wherein, the diameter value of described loudspeaker import 611 is d3, and the ratio of described d3 and described d1 is 1/3～3/4.In the present embodiment, the ratio of described d3 and described d1 is 3/4.As it is shown on figure 3, wherein, described heating element heater 13 is positioned at described cone space 613.
Fig. 5 is tubaeform shower nozzle, the first combustor and the structural representation of the second combustor embodiment one；Fig. 6 is tubaeform shower nozzle, the first combustor and the structural representation of second another embodiment of combustor；As shown in Figures 5 and 6, described combustor 6 includes the first combustor 62 and the second combustor 63, and the sidewall 630 of described first combustor offers the sidewall opening 631 that supplied gas flows through.In the present embodiment, described sidewall opening 631 is circular hole or groove, certainly when sidewall opening is circular hole, during airflow, and its most relatively groove；But grooved hole machined is relatively simple, low cost.
As it is shown in fig. 7, wherein, described burner 7 is neat gas burner, is provided with a baffle plate 71 and is classified as first jet 72 and second nozzle 73 in the nozzle 70 of described burner 7.Also include supplementing cartridge 74, described supplementary cartridge 74 is positioned at the center position of described nozzle 70, its outer wall is provided with spoiler 75, and this spoiler 75 is positioned at the front of described baffle plate 71, and described mixed gas separately flows into first jet 72 and second nozzle 73 after spoiler 75 cuts.Wherein, radial height h1 of described spoiler 75 is less than radial height h2 of described second nozzle 73, and the ratio of described h1 Yu h2 is 2/3, certainly this ratio can adjust according to practical situation, ratio is the least, the air-flow flowing through second nozzle 73 is the biggest, and fuel is the most sufficient, and the temperature at its burner flame center is the highest；Ratio is the biggest, flows through the air-flow velocity relative reduction of second nozzle 73, when according to circumstances can regulate adjusted different fuel, the stability of flame.
As shown in Figure 8, described baffle plate 71 staggers setting, and baffle plate 71 is fixedly installed on described supplementary cartridge 74.As it is shown in figure 9, the described tapered structure of baffle plate 71, this pyramidal structure can adjust the flow velocity of air-flow, may select pyramidal structure or column construction according to practical situation.As shown in Figure 10, also including adding hot channel 20, this adds hot channel 20 and is arranged in described flue 3, adds the water in hot channel 20 or other liquid is heated the recycling realizing flue gas heat.
Certainly, as shown in FIG. 13 and 14, described Vertical Channel 102 includes transition bend pipe 1020 and shower nozzle 1021, and described shower nozzle 1021 and described horizontal channel 101 are towards the angled setting in body of heater direction.Described first airway 103 and the second airway about 104 stagger setting, and its port of export is correspondingly arranged and is formed the first gas curtain 121 and the second gas curtain 122；This gas curtain has the consistent direction of motion, can form negative pressure region in air inlet front portion, gas can quickly through and enter and support burning in combustor.
During actual use, utility model people is provided with temperature probe within adding heat space, Figure 11 be embodiment one add heat space average temperature distribution figure in a longitudinal direction；As it is shown in figure 1, in initial temperature-rise period, because of burner offering question, it is the highest in heating space center position temperature, and both sides are gradually lowered in a longitudinal direction；In the drawings, it will be seen that after using the technical program, its Temperature Distribution is as shown in b line in figure, and a line in relatively prior art diagram, the technical program is more uniformly distributed.Figure 12 is the heating space temperature heating rate figure of embodiment one, and as shown in figure 12, in the case of using essentially identical fuel, using its heating curve of the technical program is b line, and relatively prior art a line is compared, and its programming rate is very fast.
The above; it is only this utility model preferably detailed description of the invention; but protection domain of the present utility model is not limited thereto; any those familiar with the art is in the technical scope that this utility model discloses; can readily occur in and utilize rotation thermal decomposition coke oven described in the utility model, all should contain within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (10)
1. an efficient heating stove, including body of heater (1), fire door (2), flue (3), exhaust opening (4), housing (5), combustor (6), burner (7) and air inlet (8), described fire door (2) can open or close, described housing (5) includes sidewall (50), opening (51) and receiving space (52), described burner (7) burning produces high-temperature flue gas and the heating chamber (9) of described housing (5) inner housing space (52) is carried out heat treated, it is characterized in that, described combustor (6) includes combustion space (60) and tubaeform shower nozzle (61), described burner (7) is positioned at described combustion space (60), the high-temperature flue gas that burning produces is discharged by described tubaeform shower nozzle (61)；Described tubaeform shower nozzle (61) includes fan-shaped sidewall (610), loudspeaker import (611), horn outlet (612) and cone space (613), and the high-temperature flue gas that described burner (7) produces is sprayed by horn outlet (612) after combustion space (60) mixed combustion；Described air inlet (8) is positioned at the rear side of described combustion space (60) and communicates with the combustor air inlet (601) of described combustion space (60)；Also include economizer bank (10), one end economizer bank import (100) of described economizer bank (10) is arranged on body of heater (1) outside, its other end is positioned at described air inlet (8) one end, this economizer bank (10) includes horizontal channel (101) and Vertical Channel (102), and this horizontal channel (101) are arranged in described flue (3)；The gas of the port of export ejection of described Vertical Channel (102) forms gas curtain (12), this gas curtain (12) covers described air inlet (8), and can enter in described air inlet (8) after outside air heating；Described horn outlet (612) is more than radical length value d2 of described heating chamber (9) at the length value d1 of radial direction；Described high-temperature flue gas flows out through flue (3) and is discharged by exhaust opening (4).
Efficient heating stove the most according to claim 1, it is characterized in that, described Vertical Channel (102) includes transition bend pipe (1020) and shower nozzle (1021), and described shower nozzle (1021) and described horizontal channel (101) are towards the angled setting in body of heater direction.
Efficient heating stove the most according to claim 1, it is characterized in that, described economizer bank (10) includes the first airway (103) and the second airway (104), described first airway (103) and the second airway (104) stagger setting up and down, and its port of export is correspondingly arranged and is formed the first gas curtain (121) and the second gas curtain (122).
Efficient heating stove the most according to claim 1, it is characterised in that the diameter value of described loudspeaker import (611) is d3, the ratio of described d3 and described d1 is 1/3～5/6.
Efficient heating stove the most according to claim 1, it is characterised in that the ratio of described d1 and described d2 is 1/2.
Efficient heating stove the most according to claim 1, it is characterised in that also include that heating element heater (13), described heating element heater (13) are positioned at described cone space (613).
Efficient heating stove the most according to claim 1, it is characterized in that, described combustor (6) includes the first combustor (62) and the second combustor (63), and the sidewall (630) of described second combustor offers the sidewall opening (631) that supplied gas flows through.
Efficient heating stove the most according to claim 1, it is characterised in that described sidewall opening (631) is circular hole or groove.
9. according to the arbitrary described efficient heating stove of Claims 1-4, it is characterized in that, described burner (7) is oil burner, is provided with a baffle plate (71) and is classified as first jet (72) and second nozzle (73) in the nozzle (70) of described burner (7).
Efficient heating stove the most according to claim 9, it is characterized in that, also include supplementing cartridge (74), described supplementary cartridge (74) is positioned at the center position of described nozzle (70), its outer wall is provided with spoiler (75), this spoiler (75) is positioned at the front of described baffle plate (71), and described fuel combination separately flows into first jet (72) and second nozzle (73) after spoiler (75) cuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620179664.3U CN205718448U (en) | 2016-03-09 | 2016-03-09 | A kind of efficient heating stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620179664.3U CN205718448U (en) | 2016-03-09 | 2016-03-09 | A kind of efficient heating stove |
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| Publication Number | Publication Date |
|---|---|
| CN205718448U true CN205718448U (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620179664.3U Expired - Fee Related CN205718448U (en) | 2016-03-09 | 2016-03-09 | A kind of efficient heating stove |
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| CN (1) | CN205718448U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605919A (en) * | 2016-03-09 | 2016-05-25 | 浙江尚鼎工业炉有限公司 | Efficient heating furnace |
-
2016
- 2016-03-09 CN CN201620179664.3U patent/CN205718448U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605919A (en) * | 2016-03-09 | 2016-05-25 | 浙江尚鼎工业炉有限公司 | Efficient heating furnace |
| CN105605919B (en) * | 2016-03-09 | 2017-09-12 | 浙江尚鼎工业炉有限公司 | A kind of efficient heating stove |
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| 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: 20161123 Termination date: 20170309 |