CN203595274U - Three-section heat exchange type air heating furnace - Google Patents
Three-section heat exchange type air heating furnace Download PDFInfo
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- CN203595274U CN203595274U CN201320727956.2U CN201320727956U CN203595274U CN 203595274 U CN203595274 U CN 203595274U CN 201320727956 U CN201320727956 U CN 201320727956U CN 203595274 U CN203595274 U CN 203595274U
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Abstract
The utility model relates to a heat supply device, in particular to a three-section heat exchange type energy-saving air heating furnace. The three-section heat exchange type energy-saving air heating furnace comprises fire bars, a hearth, a fire throat, a heat exchanger, an air heating chamber and a shell. The heat exchanger is composed of an inner cylinder and an outer cylinder. A cold air inlet is formed in the outer cylinder of the heat exchanger. One side of the outer cylinder of the heat exchanger is shorter than the other side of the outer cylinder, and the short side of the outer cylinder of the heat exchanger is connected with a coil base plate in a sealed mode. The interlayer between the inner cylinder and the outer cylinder of the heat exchanger is communicated with an upper hearth interlayer through the partition of a partition plate, and the upper hearth interlayer and a lower hearth interlayer are communicated with each other at the front end of the hearth. The lower portions of the two sides of the lower hearth interlayer are respectively and symmetrically provided with a side vertical plate. The lower hearth interlayer is divided into a transition chamber and a buffering chamber. The fire bars are hollow. The two ends of each fire bar are communicated with the transition chamber and the buffering chamber respectively. The three-section heat exchange type air heating furnace has the advantages that the structure is simple, heat exchange efficiency is high, combustion of fuel is complete, the smoke discharge amount is small, energy is saved, and environmental friendliness is achieved.
Description
Technical field
The utility model relates to a kind of heating equipment, particularly relates to a kind of three sections of energy-saving hot-blast stoves of heat exchange type.
Background technology
Hot-blast stove is to utilize hot blast as medium and carrier, can improve the heating equipment of a kind of specialty of heat utilization efficiency and hot working effect largelyr.The structure of hot-blast stove is to be formed by combustion furnace and heat exchanger combination, the fuel such as fire coal can be burnt.That hot-blast stove has is simple to operate, heating effect good, safety coefficient high, and is widely used in space heating or the air field of heating by all trades and professions.But existing hot-blast stove, due to the design of structure, makes it also have following technical problem: body of heater surface temperature is high, even reaches red heat degree, dissipates a large amount of heats, cause amount of heat loss; Cold air and stove inner heat Surface Contact time are short, and area is little, and heat exchange is insufficient, and efficiency of utilization is low; Stove is when banking fire at night (lingering), and the heat that the fuel that burner hearth bottom is burning near fire bars place produces can not utilize, and causes heat utilization rate low; On heat exchanger inwall, cannot remove with the lip-deep tar of heat exchanger tube and carbon deposit; Existing hot-blast stove can only be single for heating, do not cook a meal and use function.
Summary of the invention
The utility model is exactly in order to solve the problems of the technologies described above, and a kind of three sections of heat exchange type hot-blast stoves are provided, and it is simple in structure, and heat exchange efficiency is high, fuel combustion is abundant, has improved heat utilization efficiency, has saved fuel, reduced smoke discharge amount, energy-conserving and environment-protective, can be simultaneously for heating and the use of cooking a meal thereupon.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:
Three sections of heat exchange type hot-blast stoves, it comprises slag outlet, fire bars, burner hearth, fire larynx, exhaust opening, heat exchanger, heating installation chamber, shell, wherein heat exchanger is inside and outside double-layer barrel structure, cold air inlet is opened on heat exchanger urceolus, heat exchanger urceolus is shorter than opposite side near burner hearth one side, position short inside heat exchanger urceolus is connected with furnace platform sealing, the interlayer forming between upper furnace and lower hearth and shell is divided into upper furnace interlayer and lower hearth interlayer under the effect of dividing plate, heat exchanger inner core is communicated with upper furnace interlayer with the interlayer between heat exchanger urceolus, upper furnace interlayer is communicated with at burner hearth front end with lower hearth interlayer, lower hearth both sides interlayer symmetry respectively arranges a cant board, cant board by lower hearth interlayer separately, form transition chamber and surge chamber, two cant boards offer air vent near a side of hearth outer wall, fire bars is hollow bar, the two-port of fire bars communicates with transition chamber and surge chamber respectively.
Above-mentioned carbon distribution outlet is located at furnace bottom rear portion, carbon deposit outlet one end is connected with heating installation chamber, the other end is communicated with space outerpace through shell, and carbon distribution outlet is connected with the dust removing tube that is arranged on heat exchanger inner core bottom above, in carbon distribution outlet, establishes the fender plate that can block dust removing tube outlet.
In above-mentioned heat exchanger inner core, be provided with heat exchanger tube, one end of heat exchanger tube is communicated with surge chamber, and the other end of heat exchanger tube is communicated with the hot-air mouth of heat exchanger upper end.
Above-mentioned heat exchanger tube is 3-10 root, and heat exchanger tube is vertically obliquely installed.
The structure of above-mentioned dividing plate is that one end is that rectangular edges, one end are the semicircular metallic plates protruding, on metallic plate, rectangular edges one end is opened a circular hole and is mated with upper furnace, have a larger hole and multiple less hole in first circular edges one end of metallic plate, wherein larger hole and dust removing tube upper end match, heat exchanger tube in less hole and heat exchanger matches, and the semicircular edge protruding on dividing plate and heat exchanger inner core match.
Above-mentioned slag outlet is arranged on the bottom of heating installation chamber, and outside is connected with shell.
Outside above-mentioned heat exchanger urceolus, lower end is connected with the shell of surge chamber, and surge chamber is arranged on the below of heat exchanger, and heat exchanger inner core is communicated with fiery larynx, and the other end of fiery larynx is communicated with upper furnace.
On two above-mentioned cant boards, vent locations is provided with deflector, deflector is arc, one end of deflector is welded on cant board, the other end of deflector stretches in surge chamber, two deflectors are arranged on one end of surge chamber at a distance of 2-3 centimetre, have formed the semicircle space structure of 2-3 cm distance between two deflectors and lower hearth outer surface.
Owing to adopting technique scheme, make the utlity model has following advantage and effect:
The utility model hot-blast stove is simple in structure, adopts three sections of compound heat exchange modes: the heat exchange of first paragraph body of heater table, second segment fire bars, burner hearth heat exchange, the 3rd section of heat exchanger tube heat exchange.High-temperature flue gas can be exchanged heat pipe and carry out post bake, and heat exchange efficiency is high, and fuel combustion is abundant, and smoke discharge amount is low, energy-conserving and environment-protective.Its heat exchanger tube heat exchange principle adopts outer heat to force in-flow, and heat exchanger tube adopts inclination vertically placed type, and not stifled flue, removes carbon deposit convenient, is provided with special carbon cleaning mouth, can further ensure stove high efficient heat exchanging state.Burner hearth adopts air-cooled, selects hollow bar, does not change burner hearth, does not change fire bars, and hot air flow is large, and pressure is large, and temperature is high, and consumption coal is low.In working order, table, burner hearth, fire bars are all below red heat temperature, and air-flow can be taken away the heat at these the hottest positions, reduce the temperature at these positions, improve gas flow temperature, save the trouble of repairing burner hearth refractory material, increase substantially the service life of fire bars and burner hearth.Hollow bar is the fire bars heat exchanger tube of holding concurrently, and improves heat exchange efficiency more than 15%, ensures that fire bars burns not to change.Hot-air mouth can directly be sent hot blast into room, fully improves air-flow transfer efficiency, reduces heat loss.At night, when fuel lingering, by adjusting fender plate, position as shown in Figure 1, enters in heat exchanger the indoor heat of heating installation and carries out heat exchange, blocks cold air simultaneously and enters in heat exchanger, fully obtains the utilization of waste heat.The utility model energy-conserving and environment-protective, can be for heating and the use of cooking a meal.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the utility model.
Fig. 2 is that the A-A of Fig. 1 is to sectional structure schematic diagram.
Fig. 3 is that the B-B of Fig. 1 is to sectional structure schematic diagram.
Fig. 4 is that the C-C of Fig. 3 is to sectional structure schematic diagram.
Fig. 5 is the plan structure schematic diagram of dividing plate.
In figure: 1, cold air inlet; 2, dust removing tube; 3, surge chamber; 4, heat exchanger urceolus; 5, fender plate; 6, slag outlet; 7, fire bars; 8, cant board; 9, lower hearth; 10, furnace platform; 11, fiery larynx; 12, heat exchanger tube; 13, hot-air mouth; 14, exhaust opening; 15, heat exchanger; 16, heating installation chamber; 17, deflector; 18, carbon distribution outlet; 19, dividing plate; 20, air vent, 21, base, 22, heat exchanger inner core, 23, upper furnace; 24, shell; 25, transition chamber.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is just in order to explain the utility model, and be not used in restriction the utility model.
As Fig. 1, shown in Fig. 2 and Fig. 3, three sections of heat exchange type hot-blast stoves of the utility model, three sections of heat exchange type hot-blast stoves, it comprises slag outlet 6, fire bars 7, upper furnace 23, lower hearth 9, fire larynx 11, exhaust opening 14, heat exchanger 15, heating installation chamber 16, base 21, shell 24, wherein heat exchanger 15 is inside and outside double-layer barrel structure, cold air inlet 1 is opened on heat exchanger urceolus 4, heat exchanger urceolus 4 is shorter than opposite side near burner hearth one side, position short inside heat exchanger urceolus is connected with furnace platform 10 sealings, between upper furnace 23 and lower hearth 9 and shell 24, the interlayer of formation is divided into upper furnace interlayer and lower hearth interlayer under the effect of dividing plate 19, heat exchanger inner core 22 is communicated with the upper furnace interlayer of burner hearth with the interlayer between heat exchanger urceolus 4, the upper furnace interlayer of burner hearth is communicated with transition chamber at burner hearth front end with lower hearth interlayer, below the interlayer of lower hearth both sides, be respectively symmetrical arranged a cant board 8, cant board 8 by lower hearth interlayer separately, form transition chamber 25 and surge chamber 3, as shown in Figure 4, two cant boards 8 offer air vent 20 near a side of hearth outer wall, air vent 20 positions of two cant boards 8 are provided with deflector 17, deflector 17 is arc, one end of deflector 17 is welded on cant board 8, the other end of deflector 17 stretches in surge chamber 3, two deflectors 17 are at one end of surge chamber 3 2-3 centimetre apart, between two deflectors 17 and lower hearth 9 outer surfaces, form the semicircle space structure of 2-3 cm distance, heat exchanger urceolus 4 lower ends, outside are connected with the shell of surge chamber 3, and surge chamber 3 is arranged on heat exchanger 15 belows, and heat exchanger inner core 22 is communicated with fiery larynx 11, and the other end of fiery larynx 11 is communicated with upper furnace 23 inner spaces, fire bars 7 is hollow bar, and the two-port of fire bars 7 communicates with transition chamber 25 and surge chamber 3 respectively, in heat exchanger inner core 22, be provided with heat exchanger tube 12, one end of heat exchanger tube 12 is communicated with surge chamber 3, and the other end of heat exchanger tube 12 is communicated with the hot-air mouth 13 of heat exchanger 15 upper ends, above-mentioned heat exchanger tube is 3-10 root, and heat exchanger tube is vertically obliquely installed.
Above-mentioned heating installation chamber 16 refers to the space under fire bars 7 in lower hearth, carbon distribution outlet 18 is located at furnace bottom rear portion, carbon deposit exports 18 one end and is connected with heating installation chamber 16, heating installation is communicated with the external world, the other end of carbon deposit outlet 18 is communicated with space outerpace through shell, carbon distribution outlet 18 is connected with the dust removing tube 2 that is arranged on heat exchanger inner core 22 bottoms above, in carbon distribution outlet 18, establish and can block the drawing and pulling type fender plate 5 that dust removing tube 2 exports, fender plate 5 is that upper end is short, the U-shaped plate that lower end is long, baffle plate adjusts 5 in the time of Fig. 2 position, the interior space of heating installation chamber 16 and heat exchanger inner core 22 is communicated with, when baffle plate is adjusted at Fig. 3 position, the interior space of heating installation chamber 16 and heat exchanger inner core 22 is disconnected, fender plate 5 also has the effect of removing the carbon distribution that falls of dust removing tube 2.
As shown in Figure 5, the optimum structure of the present embodiment median septum 19 is that one end is that rectangular edges, one end are the semicircular metallic plates protruding, on metallic plate, rectangular edges one end is opened a circular hole and is mated with upper furnace, have a larger hole and multiple less hole in first circular edges one end of metallic plate, wherein larger hole and dust removing tube 2 upper ends match, heat exchanger tube 12 in less hole and heat exchanger 15 matches, and the semicircular edge protruding on dividing plate and heat exchanger inner core match.Slag outlet 6 is arranged on the lower outside of heating installation chamber 16, and outside is connected with shell.But this can not be used for limiting the protection domain of utility model, under design of the present utility model, those skilled in the art can carry out suitable adjustment to this structure.
The operation principle of three sections of heat exchange type hot-blast stoves of the utility model is as follows: as shown in the figure, coal burns in burner hearth, blower fan passes through cold air inlet 1 through the inside and outside interlayer of heat exchanger 15 and under the iris action of dividing plate 19, in upper furnace interlayer, flow to again in lower hearth interlayer, and utilize the obstruct of cant board 8, wherein a part of cold air enters hollow bar 7, enter the cold air of fire bars 7 in flowing, the heat conduction of the heat of process coal combustion, and heat, this part heated air enters surge chamber 3, then upwards enters into the heat exchanger tube 12 in heat exchanger; Another part cold air, through the otch of cant board 8, under the water conservancy diversion of deflector 17, makes air-flow contact with lower hearth outer surface, enters into surge chamber 3, and upwards enters heat exchanger tube 12.Flowing of the high-temperature flue gas of all air process heat exchangers 15 that enter into heat exchanger tube 12, and heat again, thereby clean hot-air is sent to each room through hot-air mouth 13.Furnace platform place can be used as workbench, carries out cooking.The higher flame of temperature that coal combustion produces passes through fiery larynx 11, enter in heat exchanger 15, and exchange heat pipe 12 heats, afterwards again by exhaust opening 14 discharge chambers.The slag producing after coal combustion falls down by fire bars 7 spaces, enter into heating installation chamber 16, and heat exchanger 15 inside are because flowing of flue gas, dust makes cigarette ash that its inwall adheres under self gravitation, will drop in dust removing tube 2, thereby pull open fender plate 5, the cigarette ash gathering can export from carbon distribution 18 port of export removing.For guaranteeing that coal can more fully burn, the upper end iron plate of fender plate 5 seals dust removing tube 2 ports at work, there is good air-tightness, and in the time needing to clear up the slag gathering, can directly discharge at slag outlet 6, simultaneously, mobile fender plate 5, make slag still residual waste heat enter into dust removing tube 2 along carbon distribution outlet 18, and then enter into heat exchanger 15, exchange heating again of heat pipe 12.
Three sections of heat exchange type hot-blast stove main bodys of the utility model are made up of two large divisions, i.e. heat exchanging part and combustion parts.The problems such as combustion parts produces heat fuel by burning, and the Hot swapping that heat exchanging part produces combustion parts becomes hot blast, reaches and takes into account the object of cooking with hot-air heating simultaneously, solves existing hot-blast stove surface temperature high, and heat loss is lost large, and heat exchange efficiency is low.Three sections of heat exchange make heat exchange efficiency higher, more energy-conservation.Cold air enters the heat exchanging part external space; the mode of bathing with wind is wrapped up heat exchanger inner core; make its heat can not be to external diffusion; complete first paragraph heat exchange simultaneously; the space that the air of heat surrounds by bell, dividing plate and the furnace enclosure of table enters furnace front peripheral space; wherein portion of air enters peripheral space after burner hearth by burner hearth vertical plates on both sides air vent, another part by hollow bar; stop bell and the burner hearth thermal diffusion of table; protect burner hearth and fire bars lower than red heat temperature simultaneously, complete second segment heat exchange.Last thermal current enters the heat exchanger tube in heat exchanger, utilizes fuel flame heat heating heat exchanger tube, completes the 3rd section of heat exchange.
The heat that the utility model produces after by fuel combustion with this carrier of air from a space to another space; Fuel, in the time of burning, reduces burner surface to space outerpace distribute heat as far as possible; Further improve heat exchange efficiency by three sections of heat exchange modes; When use, open bell and can realize refuelling or put pot and cook, realize two kinds of purposes of a stove; Air-cooled burner hearth and fire bars structure have alleviated the weight of stove, have extended the service life of stove.
Claims (8)
1. three sections of heat exchange type hot-blast stoves, it comprises slag outlet (6), fire bars (7), burner hearth, fire larynx (11), exhaust opening (14), heat exchanger (15), heating installation chamber (16), shell (24), it is characterized in that heat exchanger (15) is for inside and outside double-layer barrel structure, cold air inlet (1) is opened on heat exchanger urceolus (4), heat exchanger urceolus (4) is shorter than opposite side near burner hearth one side, position short inside heat exchanger urceolus is connected with furnace platform (10) sealing, the interlayer forming between upper furnace (23) and lower hearth (9) and shell (24) is divided into upper furnace interlayer and lower hearth interlayer under the effect of dividing plate (19), heat exchanger inner core (22) is communicated with upper furnace interlayer with the interlayer between heat exchanger urceolus (4), upper furnace interlayer is communicated with at burner hearth front end with lower hearth interlayer, below the interlayer of lower hearth (9) both sides, symmetry respectively arranges a cant board (8), cant board (8) by lower hearth interlayer separately, form transition chamber (25) and surge chamber (3), two cant boards (8) offer air vent (20) near a side of hearth outer wall, fire bars (7) is hollow bar, the two-port of fire bars (7) communicates with transition chamber (25) and surge chamber (3) respectively.
2. three sections of heat exchange type hot-blast stoves according to claim 1, it is characterized in that carbon distribution outlet (18) is located at furnace bottom rear portion, carbon distribution outlet (18) one end is connected with heating installation chamber (16), the other end is communicated with space outerpace through shell, carbon distribution outlet (18) is connected with the dust removing tube (2) that is arranged on heat exchanger inner core (22) bottom above, establishes the fender plate (5) that can block dust removing tube (2) outlet in carbon distribution outlet (18).
3. three sections of heat exchange type hot-blast stoves according to claim 1 and 2, it is characterized in that being provided with heat exchanger tube (12) in described heat exchanger inner core (22), one end of heat exchanger tube (12) is communicated with surge chamber (3), and the other end of heat exchanger tube (12) is communicated with the hot-air mouth (13) of heat exchanger (15) upper end.
4. three sections of heat exchange type hot-blast stoves according to claim 3, is characterized in that described heat exchanger tube (12) is 3-10 root, and heat exchanger tube is vertically obliquely installed.
5. three sections of heat exchange type hot-blast stoves according to claim 1, the structure that it is characterized in that described dividing plate (19) is that one end is rectangular edges, one end is the semicircular metallic plate protruding, on metallic plate, rectangular edges one end is opened a circular hole and is mated with upper furnace, have a larger hole and multiple less hole in first circular edges one end of metallic plate, wherein larger hole and dust removing tube (2) upper end matches, heat exchanger tube (12) in less hole and heat exchanger (15) matches, upper semicircular edge and the heat exchanger inner core (22) protruding of dividing plate (19) matches.
6. three sections of heat exchange type hot-blast stoves according to claim 1, is characterized in that described slag outlet (6) is arranged on the lower outside of heating installation chamber (16), and outside is connected with shell (24).
7. three sections of heat exchange type hot-blast stoves according to claim 1, it is characterized in that described lower end, heat exchanger urceolus (4) outside is connected with the shell of surge chamber (3), surge chamber (3) is arranged on the below of heat exchanger (15), heat exchanger inner core (22) is communicated with fiery larynx (11), and the other end of fiery larynx (11) is communicated with upper furnace (23).
8. three sections of heat exchange type hot-blast stoves according to claim 1, it is characterized in that the upper air vent (20) of described two cant boards (8) position is provided with deflector (17), deflector (17) is arc, one end of deflector (17) is welded on cant board (8), the other end of deflector (17) stretches in surge chamber (3), two deflectors (17) are arranged on one end of surge chamber at a distance of 2-3 centimetre, have formed the semicircle space structure of 2-3 cm distance between two deflectors (17) and lower hearth (9) outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320727956.2U CN203595274U (en) | 2013-11-19 | 2013-11-19 | Three-section heat exchange type air heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320727956.2U CN203595274U (en) | 2013-11-19 | 2013-11-19 | Three-section heat exchange type air heating furnace |
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| Publication Number | Publication Date |
|---|---|
| CN203595274U true CN203595274U (en) | 2014-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320727956.2U Expired - Fee Related CN203595274U (en) | 2013-11-19 | 2013-11-19 | Three-section heat exchange type air heating furnace |
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| CN (1) | CN203595274U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104654567A (en) * | 2013-11-19 | 2015-05-27 | 沈阳市斯特曼科技有限公司 | Three-section heat exchange type warm air furnace |
| CN104642009A (en) * | 2015-02-10 | 2015-05-27 | 沈阳市斯特曼科技有限公司 | Heating stove for greenhouse |
-
2013
- 2013-11-19 CN CN201320727956.2U patent/CN203595274U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104654567A (en) * | 2013-11-19 | 2015-05-27 | 沈阳市斯特曼科技有限公司 | Three-section heat exchange type warm air furnace |
| CN104654567B (en) * | 2013-11-19 | 2017-03-15 | 沈阳农业大学 | Three sections of heat exchange type hot-blast stoves |
| CN104642009A (en) * | 2015-02-10 | 2015-05-27 | 沈阳市斯特曼科技有限公司 | Heating stove for greenhouse |
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Legal Events
| Date | Code | Title | Description |
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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 |
Granted publication date: 20140514 Termination date: 20151119 |
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| EXPY | Termination of patent right or utility model |