CN1460831A - Heat-transfer fin structure for gas-fired boiler - Google Patents
Heat-transfer fin structure for gas-fired boiler Download PDFInfo
- Publication number
- CN1460831A CN1460831A CN03136536A CN03136536A CN1460831A CN 1460831 A CN1460831 A CN 1460831A CN 03136536 A CN03136536 A CN 03136536A CN 03136536 A CN03136536 A CN 03136536A CN 1460831 A CN1460831 A CN 1460831A
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- China
- Prior art keywords
- heat exchanger
- boiler
- heat
- gas fired
- gas
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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- Details Of Fluid Heaters (AREA)
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The aim of the invention is to provide a heat transfer fin structure of a heat exchanger for a gas boiler. The gas boiler has a combustion chamber cover having a combustion chamber inside, the heat exchangers disposed in the upper and lower parts of the combustion chamber, and a bas burner. The heat exchangers have a tubular tube in which water circulates and a plurality of high fins extending from a plate surface to the radial outside on the outside of the tube. The high fins are preferably rolled and fabricated to the tube. Thus, the invention provides a heat transfer fin structure of a heat exchanger for a gas boiler capable of increasing heat transfer area to extremely increase heat exchanging efficiency, reducing cost of a product, and compacting the product.
Description
Technical field
The present invention relates to the thermofin structure of gas fired-boiler with heat exchanger, more particularly, the present invention relates to the thermofin structure of following gas fired-boiler with heat exchanger, it not only makes heat transfer area increase, heat exchanger effectiveness is improved significantly, and reduce the cost of product, can make the product compactization.
Background technology
Be used for general family, the boiler applications of public building etc. is in heating, hot water.According to the form of the fuel that is provided, such boiler roughly is divided into oil burning boiler and gas fired-boiler.
If oil burning boiler and the gas fired-boiler with same capability compared, then aspect buying price, the price of oil burning boiler is lower than gas fired-boiler, and still, gas fired-boiler has the advantage that its Fuel Consumption is lower than oil burning boiler.
But, in the long run, for oil burning boiler and gas fired-boiler the two, the expense that the consumer should undertake almost is identical.Here, actual situation is, if for supplying with the area of coal gas, then use gas fired-boiler, if for not supplying with other area of coal gas, then most oil burning boilers that adopt.
In recent years, follow the increase in the area of supplying with coal gas, the use of gas fired-boiler increases gradually.The inside of gas fired-boiler in the past is formed with the combustion chamber, in the bottom of combustion chamber gas burner is set, and at the top of this combustion chamber heat exchanger is set.
Here, if the gas burner action, the water that then flows in the combustion chamber carries out heat exchange by heat exchanger, and its temperature rises, and then, this water is offered heat supply and hot-water line etc.
But, in the gas fired-boiler in such past, because the heat exchanger itself by being arranged at inside, combustion chamber only carries out heat exchange, so its heat transfer area is restricted.So, increase in order to make heat transfer area, must increase the size of heat exchanger, thus, have the shortcoming that can't make the gas fired-boiler compactness.
In addition, because the heat exchanger that gas fired-boiler adopted does not in the past adopt the pipe (high finned tube) of bandwidth fin, on the pipe of water pipe portion, weld thermofin and adopt, so can reduce heat transfer performance.If in order to ensure heat transfer area, adopt thermofin more, then have following problems, that is, because the thermofin Master Cost that is adopted rises, it is big that the size of product becomes, follow the independent production of thermofin, the production cost of the interpolation of welding step etc. rises.
Summary of the invention
So the present invention proposes in order to solve aforesaid problem, the object of the present invention is to provide the thermofin structure of a kind of gas fired-boiler with heat exchanger, it can make heat transfer area increase, and heat exchanger effectiveness is further improved.
Another object of the present invention is to provide the thermofin structure of a kind of gas boiler with heat exchanger, it not only can reduce the cost of product, and can make the entire product compactness.
Above-mentioned purpose is by the thermofin structure realization of following gas fired-boiler with heat exchanger, and wherein, this gas fired-boiler comprises combustor outer casing, and the inside at this combustor outer casing is formed with the combustion chamber; Be arranged at the heat exchanger and the gas burner of the upper and lower of above-mentioned combustion chamber respectively, it is characterized in that, above-mentioned heat exchanger comprises the body of tubulose, and this body makes water portion's circulation within it; A plurality of wide fins, these a plurality of wide fins are in the outside of this body, and the slave plate face extends towards the outside radially.
Here, best, the height of above-mentioned wide fin is approximately greater than 9mm.
In addition, above-mentioned wide fin can the roll forming mode be made on above-mentioned body.
Description of drawings
Fig. 1 is the basic composition diagram of the gas fired-boiler of one embodiment of the present of invention;
Fig. 2 is the amplification composition diagram of heat exchanger shown in Figure 1;
Fig. 3 is the also basic composition diagram of the gas fired-boiler of an embodiment of the present invention.
The specific embodiment
Below with reference to the accompanying drawings, various embodiments of the present invention are described.
Fig. 1 is the basic composition diagram of the gas fired-boiler of one embodiment of the present of invention.As shown in the drawing, gas fired-boiler of the present invention comprises the combustor outer casing 10 that forms profile, and exhaust guide plate 20, and this exhaust guide plate 20 is arranged at the top of combustor outer casing 10.
Combustor outer casing 10 is tetragonal case shape usually.But, also can be according to set place, or the efficient of gas fired-boiler and capacity, and design, be cylindric, other shape.In the inside of combustor outer casing 10, be formed with combustion chamber 10a.
Side at combustor outer casing 10, be provided with from not shown heat supply and hot-water line, the return pipe 12 that water is returned, at the opposite side of this combustor outer casing, be provided with and supply with the supply pipe 14 of heat supply and hot-water line once more by the hot water of the internal heat exchange tubes 28 that will describe in the back and heat exchanger 24 heating.
On the exhaust guide plate 20 on the top that is arranged at combustor outer casing 10, be formed with the exhaust tap 20a that the exhaust that produces by the gas burner that will describe in the back 22 is discharged to the outside.This exhaust tap 20a with after the chimney (not shown) is connected, is discharged to the outside with exhaust.
Bottom in the 10a of combustion chamber is provided with gas burner 22, and this gas burner 22 is followed the such fuel of town gas and moved, and produces flame.In addition, on the top of combustion chamber 10a, be provided with heat exchanger 24.This heat exchanger 24 with specifically described internal heat exchange tubes 28, carries out by gas burner 22 cold water being heated to be the 2nd heat exchanging process of hot water with in the back.
On the other hand, as shown in Figure 2, can comprise the body 24a of tubulose by the heat exchanger 24 that modes such as roll forming are made, it makes water portion's circulation within it; A plurality of wide fin 24b, these a plurality of wide fin 24b are in the outside of above-mentioned body 24a, and slave plate extends towards the outside radially.At this moment, the height of this wide fin 24b (H) thus, can make its heat transfer area increase greater than such as, 9mm.
If like this, wide fin 24b is set, can suitably eliminate following problems, this problem refers to as before, follow in order to ensure heat transfer area, the problem of the rising of the Master Cost that uses the thermofin (not shown) of welding and produce, the problem that the size of product increases, and the problem of cost rising.In addition, owing to adopt wide fin 24b, heat transfer area is increased, historical facts or anecdotes now can make the significant effect of the compactness of product.
Between the inboard tube connector 26 and return pipe 12 of combustor outer casing 10, be provided with internal heat exchange tubes 28, the two ends of this internal heat exchange tubes 28 are communicated with tube connector 26 and return pipe 12 respectively.This internal heat exchange tubes 28 carries out cold water is heated to be the 1st time heat exchanging process of hot water by gas burner 22.
In the present embodiment, many internal heat exchange tubes 28, are coiled type and reel along the internal face of combustor outer casing 10 as illustrated.At this moment, be not in contact with one another, be expected to make the heat transfer area of the flame of gas burner 22 to increase, further improve heat exchanger effectiveness by making each side of reeling.
By such scheme, at the state of gas burner 22 actions, the water that turns cold is by return pipe 12, flow into the inside of combustor outer casing 10, along in the process of the internal flow of internal heat exchange tubes 28, the heat transfer area by only increasing carries out heat exchanging process the 1st time at the water that flows into.
The water that has carried out the 1st heat exchanging process flows towards heat exchanger 24 by tube connector 26, carries out heat exchanging process the 2nd time.In carrying out the 2nd heat exchanging process, because heat exchanger 24 of the present invention is by body 24a, and constitute, so the heat transfer area increase significantly increases heat exchanger effectiveness from a plurality of wide fin 24b that the plate face of this body 24a extends towards the outside radially.
The water that has carried out heat exchange by internal heat exchange tubes 28 and heat exchanger 24 can pass through supply pipe 14 respectively, flows to heat supply and hot-water line.
Like this, in the present invention, heat exchanger 24 is by body 24a, and from the plate face of this body 24a, a plurality of wide fin (High fin) 24b that extends towards the outside radially constitutes, thus, needn't form heat exchanger 24 with large-size as before, can make the overall compact of product.
On the other hand, in the foregoing embodiments, be that example is described with the gas fired-boiler that is provided with internal heat exchange tubes 28.But as shown in Figure 3, design of the present invention also is suitable for not being provided with the gas fired-boiler of internal heat exchange tubes 28.
As shown in Figure 3, in the gas fired-boiler of another embodiment of the present invention, portion is formed with the bottom of the combustor outer casing 110 of combustion chamber 110a within it, and gas burner 122 is set, and on its top, heat exchanger 124 is set.
Such heat exchanger 124 is also made by modes such as roll formings, and its body and a plurality of wide fin by tubulose constitutes, wherein, this body makes water portion circulation within it, and these a plurality of wide fins are in the outside of this body, the slave plate face, extend towards the outside radially, though this point is not shown in the drawings.At this moment, the height of this wide fin thus, can make its heat transfer area increase more than such as 9mm.
On the top of combustor outer casing 110, be provided with exhaust guide plate 120.In addition, the side at combustor outer casing 110 is provided with return pipe 112, and this return pipe 112 is connected with hot-water line with heat supply, and water is returned.At the opposite side of this combustor outer casing 110, be provided with supply pipe 114, this supply pipe 114 will be by the not shown heat supply and the hot-water line of hot water supply of heat exchanger 124 heating.
Here, if at the state that makes gas fired-boiler 122 actions, make cold water by return pipe 112, flow into the inside of combustor outer casing 110, the water that has then flowed into is realized heat exchange by the heat exchanger 124 that heat transfer area increases, and its temperature rises, then, it supplies with heating and hot-water line once more by supply pipe 114.
If such employing the present invention not only can make heat transfer area increase, heat exchanger effectiveness is improved, and can reduce the cost of product, make the entire product compactness.
In an aforesaid embodiment, in gas fired-boiler inside, be provided with internal heat exchange tubes 28, still, the gas fired-boiler that design of the present invention also can be suitable for being provided with outside heat-exchange tube (not shown) replaces such internal heat exchange tubes 28.
Effect of the present invention
As mentioned above, according to the present invention, by the roll forming mode, on the wide fin greater than 9mm, Thermofin is provided, and thus, having the heat transfer area of making increases, and heat exchanger effectiveness is improved Effect.
In addition, according to the present invention, have following effect, that is, provide and to reduce product Cost, and the gas fired-boiler that can make whole product compactness is with the thermofin structure of heat exchanger.
Claims (3)
1. a gas fired-boiler is with the thermofin structure of heat exchanger, and this gas fired-boiler comprises: combustor outer casing, and the inside at this combustor outer casing is formed with the combustion chamber; Be arranged at the heat exchanger and the gas burner of the upper and lower of above-mentioned combustion chamber respectively, it is characterized in that:
Above-mentioned heat exchanger comprises the body of tubulose, and this body makes water portion's circulation within it; A plurality of wide fins, these a plurality of fins are in the outside of this body, and the slave plate face extends towards the outside radially.
2. gas fired-boiler according to claim 1 is characterized in that with the thermofin structure of heat exchanger the height of above-mentioned fin is more than 9mm.
3. gas fired-boiler according to claim 1 and 2 is characterized in that with the thermofin structure of heat exchanger above-mentioned fin is formed on the above-mentioned body in the roll forming mode.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020020028777A KR20030090916A (en) | 2002-05-23 | 2002-05-23 | Gas boiler |
| KR28777/2002 | 2002-05-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1460831A true CN1460831A (en) | 2003-12-10 |
Family
ID=29707691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN03136536A Pending CN1460831A (en) | 2002-05-23 | 2003-05-23 | Heat-transfer fin structure for gas-fired boiler |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2004003840A (en) |
| KR (1) | KR20030090916A (en) |
| CN (1) | CN1460831A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776734A (en) * | 2015-04-01 | 2015-07-15 | 威能(无锡)供热设备有限公司 | Heat exchanger and gas-fired boiler adopting same |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102901221B (en) * | 2012-09-21 | 2015-12-23 | 苏州成强能源科技有限公司 | A kind of pressure fin straight pipe condensation Heat supply and heat exchange device |
| CN104266361A (en) * | 2014-09-26 | 2015-01-07 | 苏州巨浪热水器有限公司 | Heat exchange water tank of gas water heater |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60140045A (en) * | 1983-12-28 | 1985-07-24 | Nobuyoshi Kuboyama | Instantaneous water heater |
| JPS6338852A (en) * | 1986-07-30 | 1988-02-19 | Dainichi Kogyo Kk | Two-waterway heat exchanger |
| JPH09280657A (en) * | 1996-04-11 | 1997-10-31 | Matsushita Electric Ind Co Ltd | Heat exchanger |
| KR200146333Y1 (en) * | 1997-01-24 | 1999-06-15 | 최병숙 | Condensing heat exchanger |
| KR100296559B1 (en) * | 1998-11-13 | 2001-10-26 | 전주범 | Condensing gas boiler with up and down exhaust |
| KR200275766Y1 (en) * | 2001-11-15 | 2002-05-16 | 임관호 | Heat Pipe for Collecting Disuse heat |
-
2002
- 2002-05-23 KR KR1020020028777A patent/KR20030090916A/en not_active Application Discontinuation
-
2003
- 2003-05-22 JP JP2003145261A patent/JP2004003840A/en active Pending
- 2003-05-23 CN CN03136536A patent/CN1460831A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776734A (en) * | 2015-04-01 | 2015-07-15 | 威能(无锡)供热设备有限公司 | Heat exchanger and gas-fired boiler adopting same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2004003840A (en) | 2004-01-08 |
| KR20030090916A (en) | 2003-12-01 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |