CN2775541Y - High efficiency energy saving hot air furnace - Google Patents
High efficiency energy saving hot air furnace Download PDFInfo
- Publication number
- CN2775541Y CN2775541Y CN 200520011217 CN200520011217U CN2775541Y CN 2775541 Y CN2775541 Y CN 2775541Y CN 200520011217 CN200520011217 CN 200520011217 CN 200520011217 U CN200520011217 U CN 200520011217U CN 2775541 Y CN2775541 Y CN 2775541Y
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- CN
- China
- Prior art keywords
- combustion chamber
- air
- hot air
- heat exchanging
- heat exchange
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Abstract
The utility model relates to a high efficiency energy saving hot air furnace, which comprises a shell, a burning chamber and a heat exchanging zone, wherein the heat exchanging zone is a space in the shell and outer the burning chamber and is composed of a flue between two heat exchanging shields which allow the air waiting for heating to flow by; the heat exchanging shields are enclosed hollow shielded-shaped structures with air inlets and air outlets, one of the heat exchanging shields surrounds the burning chamber, and the other heat exchanging shield is extended and arranged on one side of the burning chamber; the heat exchanging shield around the burning chamber is in a C shape to surround the burning chamber, the heat exchanging shield which is extended and arranged on one side of the burning chamber is in enclosed communication with the C-shaped heat exchanging shield, and is in a circuitous parallel shield shape which is perpendicular to the bottom of the shell; the side wall of the burning chamber is provided with a plurality of air blowing holes. Because the favorable structure is used, not only the fuel can be thoroughly burnt, but also the generated heat energy can be thoroughly contacted with the air waiting for heating. Consequently, the heat efficiency is raised and the high efficiency energy saving hot air furnace is formed.
Description
Technical field
The utility model relates to a kind of hot-blast stove, especially a kind of energy efficient hot air furnace.
Background technology
At present, the heat abstractor of the hot-blast stove that generally uses is tubular type, promptly makes flue with many pipes, will at last the air that heats be entered the heat supply district through as the air heat between the tube and tube of flue.In addition, the combustion chamber of these hot-blast stoves mostly is the cylindric of sealing greatly, and the bottom is a planar structure.There is following defective in this class hot-blast stove: because the combustion chamber is sealed substantially, can not contact fully with air (mainly being airborne oxygen), its inner fuel such as coal just burns insufficient.To have aggravated the burning of fuel insufficient for the structure on plane in the bottom in addition, because under the weight of a large amount of fuel such as coal and fire door and air inlet not under the situation at bottommost, the fuel of bottom, combustion chamber is to be difficult to contact with air (mainly being oxygen wherein), and its burning is just insufficient natch.The power consumption that brings except fuel combustion is insufficient, its direct result is that the thermal efficiency is low, and fuel combustion is insufficient in addition can produce a large amount of cigarette ash, and these cigarette ashes can often stop up flue again, this has not only aggravated the low thermal efficiency, and has reduced the reliability of hot-blast stove.At last, heat flows through flue tube, carries out heat exchange by the air in flue tube wall and the hot-blast stove housing, because the outer surface of pipeline can not reach the air of complete contrectation heating far away, can not reach desirable state so enter the temperature of the air in heat supply district.
The utility model content
Above-mentioned burning is insufficient, the thermal efficiency is low in order to solve, and flue stops up, the insecure problem of performance, and the utility model provides a kind of energy efficient hot air furnace.The technical scheme that solves the problems of the technologies described above is as follows:
A kind of energy efficient hot air furnace, it comprises housing, combustion chamber and heat transfer zone, described heat transfer zone is the space in addition, combustion chamber within the housing, this heat transfer zone is made of the flue between heat exchange screen that allows air to be heated to flow through and the heat exchange screen, described heat exchange screen is for having the sealing hollow screen shape structure of air inlet and air outlet, and it centers on the combustion chamber and the side extension in the combustion chamber is provided with.
Described heat exchange screen around the combustion chamber is " C " shape around the combustion chamber, and one side is extended the heat exchange screen that is provided with and the sealing connection of described " C " shape heat exchange screen and is circuitous parallel screen shape perpendicular to the housing bottom surface in the combustion chamber.
Described side wall of combustion chamber is provided with several wind pushing holes.
The bottom of described combustion chamber is the structure to the combustion chamber convex.
The bottom of described combustion chamber is the trapezium structure to the combustion chamber convex.
Described combustion chamber is a composite chamber, and the combustion chamber external surface area reduces from bottom to top gradually.
Because the screen shape structure of a hollow is set to be flow through for air to be heated, and should shield the combustion chamber and the flue on every side of shape structure, between two walls of the screen shape structure that this structure makes air to be heated be uniformly distributed in to be parallel to each other, and from import to outlet through circuitous screen shape structure, make air to be heated more extensively absorb heat and the interior heat of flue that the combustion chamber sheds fully, improved rate of heat exchange.
In addition, the improvement that the combustion chamber has been done because several air vents are set on the wall of combustion chamber, so can contact with more air (mainly being oxygen) during fuel, so fuel combustion is more abundant.And combustion chamber bottom be the structure to convex, and this structure has improved bearing capacity, and because of the surface area of this structure at the bottom of than the combustion chamber, plane is big, has increased the contact area of fuel and air (mainly being oxygen), and the fuel bottom feasible burns more fully.Adopting composite chamber, also mainly is because it can increase the contact area with air (mainly being oxygen), makes full combustion of fuel.
Owing to take above-mentioned favourable structure, fuel can be burnt fully, and the heat that can make generation contacts fully with air to be heated, thereby improved the thermal efficiency, form an energy-efficient hot-blast stove.
Description of drawings
Fig. 1 is the cutaway view of the utility model energy efficient hot air furnace;
Fig. 2 is the vertical view of the utility model energy efficient hot air furnace after removing the loam cake of housing.
The specific embodiment
As depicted in figs. 1 and 2, energy efficient hot air furnace of the present utility model is made of housing 9, the combustion chamber 1 and the heat transfer zone that are positioned at housing one side.The heat exchange that is provided with " C " shape around combustion chamber 1 shields 6, and this heat exchange screen 6 has an air inlet 2 and air outlet 4, and heat exchange screen 6 inside are air channel 3, and this structure can be clear that from Fig. 2.Be provided with circuitous mutually parallel heat exchange screen 6 in the combustion chamber of housing 9 inside 1 one sides, this part heat exchange screen is communicated with in aggregates with the sealing of " C " shape heat exchange screen.Between heat exchange screen 6 is flue 10.Air to be heated is imported by air inlet 2, and through the air channel 3 of " C " shape heat exchange screen 6, described air is subjected to the heating of combustion chamber liberated heat at this, and temperature can reach necessary requirement substantially.Because air channel 3 basic around combustion chambers one circle, and extend to its bottom from the napex of combustion chamber always, be clipped in the exchange heat that the air between two walls of heat exchange screen 6 gives out with the combustion chamber in large area.Then enter in the air channel 3 in the circuitous parallel heat exchange screen 6 through the heated air of " C " shape heat exchange screen, in this part, heated air continues to accept the heating of the flue gas that carries heat in the flue 10, is finally driven through air outlet 4 by air-introduced machine 8 and enters the heat supply district.In order to make vertically disposed heat exchange screen 6 more firm, be provided with fixedly muscle 5 in the middle of it.Bottom at the heat exchange screen 6 that makes a circulation parallel is provided with cigarette ash mouth 7 clearly.
In addition, as shown in Figure 1, the bottom of the energy efficient hot air furnace of most preferred embodiment of the present invention is a trapezium structure 12, this trapezium structure 12 not only strengthens supporting fuel, bearing capacity as coal, and increased the contact area of fuel and air, make fuel especially the fuel of bottom, combustion chamber burn more fully.In addition, to strengthen fuel combustion more fully key factor be the combustion chamber wall is provided with some air vents 11, the existence of these air vents 11 makes air contact with the most surfaces of removing the bottom, combustion chamber is long-pending, thereby from the fuel that fully burnt to the full extent.This has improved the heat production ratio, combines with above-mentioned high rate of heat exchange, and the utility model can reach best effect.
Claims (6)
1. energy efficient hot air furnace, it comprises housing, combustion chamber and heat transfer zone, it is characterized in that, described heat transfer zone is the space in addition, combustion chamber within the housing, this heat transfer zone is made of the flue between heat exchange screen that allows air to be heated to flow through and the heat exchange screen, described heat exchange screen is for having the sealing hollow screen shape structure of air inlet and air outlet, and it centers on the combustion chamber and the side extension in the combustion chamber is provided with.
2. energy efficient hot air furnace as claimed in claim 1, it is characterized in that, described heat exchange screen around the combustion chamber is " C " shape around the combustion chamber, and one side is extended the heat exchange screen that is provided with and the sealing connection of described " C " shape heat exchange screen and is circuitous parallel screen shape perpendicular to the housing bottom surface in the combustion chamber.
3. energy efficient hot air furnace as claimed in claim 1 or 2 is characterized in that described side wall of combustion chamber is provided with several wind pushing holes.
4. energy efficient hot air furnace as claimed in claim 2 is characterized in that, the bottom of described combustion chamber is the structure to the combustion chamber convex.
5. energy efficient hot air furnace as claimed in claim 4 is characterized in that, the bottom of described combustion chamber is the trapezium structure to the combustion chamber convex.
6. energy efficient hot air furnace as claimed in claim 1 or 2 is characterized in that, described combustion chamber is a composite chamber, and the combustion chamber external surface area reduces from bottom to top gradually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520011217 CN2775541Y (en) | 2005-03-30 | 2005-03-30 | High efficiency energy saving hot air furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520011217 CN2775541Y (en) | 2005-03-30 | 2005-03-30 | High efficiency energy saving hot air furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2775541Y true CN2775541Y (en) | 2006-04-26 |
Family
ID=36749856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520011217 Expired - Fee Related CN2775541Y (en) | 2005-03-30 | 2005-03-30 | High efficiency energy saving hot air furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2775541Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052760A (en) * | 2009-10-28 | 2011-05-11 | 东港市低压电器附件厂 | Multifunctional warm air furnace |
-
2005
- 2005-03-30 CN CN 200520011217 patent/CN2775541Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052760A (en) * | 2009-10-28 | 2011-05-11 | 东港市低压电器附件厂 | Multifunctional warm air furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |