CN201034443Y - Highly-effective water heater heat transfer sheet - Google Patents
Highly-effective water heater heat transfer sheet Download PDFInfo
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- CN201034443Y CN201034443Y CNU200720108231XU CN200720108231U CN201034443Y CN 201034443 Y CN201034443 Y CN 201034443Y CN U200720108231X U CNU200720108231X U CN U200720108231XU CN 200720108231 U CN200720108231 U CN 200720108231U CN 201034443 Y CN201034443 Y CN 201034443Y
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- heat exchange
- heat exchanger
- exchanger fin
- row
- pore
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Abstract
An efficient water heater heat exchange tablet includes a heat exchange tablet body (1), a plurality of heat exchange tube holes (2) and airflow guide holes (3) which are arranged on the heat exchange tablet body (1), therein, the hole walls of the heat exchange tube hole (2) and the airflow guide hole (3) protrude toward one side and form a convex wall ring, the heat exchange tube holes (2) are distributed in parallel with two upper and lower rows, airflow guide holes (3) are also provided with two rows and are distributed above and under of the upper row heat exchange tube holes (2), the heat exchange tube holes (2) are mutually staggered at vertically, the positions of the airflow guide holes (3) corresponding to the heat exchange tube holes (2) of the upper row are mutually staggered at vertically too. Compared with present technology, the utility model makes the previous heat exchange blind area disposed under the upper row heat exchange tube holes can directly absorb heat, which enlarges the zone that the heat exchange tube holes of the heat exchange tablet directly contacts heat airflow, and improves heat exchange efficiency with very obvious effect, the heat efficiency can improve to more than 88 percent.
Description
Technical field
The utility model relates to the technical field of water heater, especially refers to the highly effective heat exchange sheet of water heater that a kind of efficiency of heating surface is higher.
Background technology
At present, the heat exchanger fin that is used for water heater, as shown in Figure 1, its mainly comprise heat exchanger fin body 1 ' and body 1 ' on offer a plurality of heat exchange pores 2 ' and a plurality of air-flow pilot holes 3 ', wherein, heat exchange pore 2 ' gentle stream pilot hole 3 ' hole wall all protrude to a side, form the protruding wall of a circle, also promptly heat exchanger fin body 1 ' the plane on, each heat exchange pore 2 ' gentle stream pilot hole 3 ' all have circle is towards the protruding wall that is higher than this body 1 ' plane of homonymy, simultaneously, heat exchange pore 2 ' general is parallel is distributed with two rows, two row's heat exchange pores, 2 ' consistency from top to bottom, air-flow pilot hole 3 ' also be provided with two rows, lay respectively at two row's heat exchange pores 2 ' centre and top, and, air-flow pilot hole 3 ' position relative heat exchange pore 2 ' stagger, just in time in order to stop thermal current, change airflow direction, thereby delay the speed of thermal current process, prolong the time that thermal current and heat exchanger tube carry out heat exchange as much as possible.A plurality of such heat exchanger fin assembly units get up to form a complete heat exchanger, wherein, heat exchange pore 2 in corresponding each heat exchanger fin ' all aim at one by one, heat exchange pore 2 ' protruding wall successive, the meeting of the air-flow pilot hole 3 in each heat exchanger fin ' nature is aimed at one by one, like this, the one group of heat exchange pore of aiming at one by one 2 ' just natural passage that supplies heat exchanger tube to run through of formation, also be to have many such passages on the heat exchanger, and the heat exchanger tube of heat exchanger form a unique water stream channel that head and the tail connect with regard to penetrating all passages.During actual the use, the bottom that adds the direct reheat heat exchanger of thermal-flame, it is the bottom of heat exchanger fin, the thermal current that heating flame forms will carry out exchange heat with heat exchanger, like this, from the cold water that the heat exchanger tube inlet enters, the conduction of heat on over-heat-exchanger, the water that exports out from heat exchanger tube just has higher temperature, and is for people to use.
But, because two row's heat exchange pore consistencies from top to bottom, and overlapping structure about forming, like this, just there is the blind area of heat exchange in the heat exchange pore when real work, shown in the I ' portion among Fig. 1, heat exchanger fin is in this heat exchange blind area part, be not easy to absorb thermal current, will directly influence heat exchange efficiency like this.
On the other hand, for ease of the absorption of heat exchanger fin to the heat that adds thermal-flame and discharge, the bottom of heat exchanger fin body also is provided with groove between two adjacent heat exchange pores, but because the just in time relative heat exchange pore in the position of air-flow pilot hole staggers, just just in time align with the air-flow pilot hole in the position of groove, groove can not be too dark, otherwise can too influence the firmness of air-flow pilot hole near the air-flow pilot hole, the degree of depth of this groove is generally all superficial, therefore, add the heat that thermal-flame discharges and be transmitted to around the heat exchange pore that is positioned at the upper strata, distance is just far away, for not being very desirable from flame its heat exchange effect of heat exchange pore far away.
Summary of the invention
First technical problem to be solved in the utility model is the present situation at prior art, thereby provides a kind of heat exchange blind area that can reduce the heat exchange pore obviously to improve the highly effective heat exchange sheet of water heater of heat exchange efficiency.
Second technical problem to be solved in the utility model provides a kind of for from adding thermal-flame heat exchange pore far away the highly effective heat exchange sheet of water heater of better heat-conducting effect being arranged also.
The utility model solves the technical scheme that above-mentioned first technical problem adopted: this highly effective heat exchange sheet of water heater, comprise heat exchanger fin body and the gentle stream pilot hole of a plurality of heat exchange pores that is opened on the heat exchanger fin body, wherein, the hole wall of the gentle stream pilot hole of heat exchange pore protrudes to a side, form the protruding wall of a circle, and, the heat exchange pore is parallel is distributed with two rows, the air-flow pilot hole also is provided with two rows, and the above and below of the row's of laying respectively at heat exchange pore, it is characterized in that: described two row's heat exchange pores stagger mutually in the vertical, and the heat exchange pore that just in time relatively upward arrange the position of described air-flow pilot hole staggers mutually in the vertical.
Because two rows heat exchange pore in the vertical and do not line up but stagger mutually, if the heat exchanger tube hole number unanimity of two rows, then the shape of heat exchanger fin body can be a parallelogram, but consider when heat conducts in heat exchanger fin, the characteristics that the bottom heat of heat exchanger fin body is many than the top, described heat exchanger fin body can be made into and roughly be narrow trapezoidal in wide top, bottom, and few one of the heat exchange pore of arranging under the quantity of the described row's of going up heat exchange pore is just caing be compared to, so both effectively utilized the heat absorption of heat exchanger fin, the manufacturing cost of having saved heat exchanger fin again.
And air-flow pilot hole wherein because of through upwards just in time relatively on row's heat exchange pore stagger, the dual-side that is positioned at row's heat exchange pore at the heat exchanger fin body can be provided with the air-flow pilot hole, can not be provided with yet, but for can utilize the air-flow pilot hole that stopping of thermal current changed its flow direction as far as possible, thereby delay the speed of thermal current process, prolong the time that thermal current and heat exchanger tube carry out heat exchange as much as possible, the both sides that are positioned at row's heat exchange pore on the described heat exchanger fin body are good to be provided with the air-flow pilot hole also.
Also can dwindle simultaneously the aperture of air-flow pilot hole, relative like this, the free air space between the heat exchanger fin has just increased, and more helps internal gas flow circulation between the heat exchanger fin.
For further solving second above-mentioned technical problem, bottom at described heat exchanger fin body can offer groove between the heat exchange pore of arranging down, though it is dark more that this groove is opened, heat exchange for last row's heat exchanger tube is more useful, but this groove can not be dark excessively, otherwise will reduce the heat exchange effect of row's heat exchanger tube down, on asking, two arrange heat exchanger tubes heat exchange balance on the whole down, realize that whole heat exchanger fin is heated the most balanced on unit are, distance between described groove top and the heat exchanger fin body bottom, with the ratio of the height of whole heat exchanger fin body be good with scope 0.4～0.43.Like this, the heat that adds the thermal-flame generation can directly be deep into the heat exchanger fin middle part from this groove, help effective heat absorption of row's heat exchange pore, and, this groove has passed through a side edge of time row's heat exchange pore basically, make down the top of row's heat exchange pore also can absorb heat preferably, improved the defective of former heat exchange before this blind area, and had a significant effect.
And, described groove can also have the shape of circular arc in the end, the diameter of the heat exchanger tube of two rows is generally identical, the diameter of this circular arc is good than with scope 0.26～0.3 with the diameter of heat exchange pore, design by the groove ends circular arc, enlarged and added the area that thermal current that thermal-flame produces contacts with heat exchanger fin, thereby more helped heat is conducted to heat exchanger fin.
At this moment, for asking upper and lower two row's heat exchange pores heat exchange balance on the whole, realize that whole heat exchanger fin is heated the most balanced on unit are, distance between the center of circle of the circular arc of described groove ends and the heat exchanger fin body bottom, and the ratio of the center of circle of following row's heat exchange pore and the distance between the heat exchanger fin body bottom is good with 2.0.
For making the thermal current that enters in the groove, can be detained in the end of groove, delay the heat exchanger time of thermal current and heat exchanger fin, can also be provided with reducing in the circular arc end of described groove and the junction of groove two side, also promptly the oral area in the circular arc end of groove has a reducing, makes the thermal current in the circular arc end be not easy very fast outflow.
Compared with prior art, advantage of the present utility model is: by arranging the heat exchange pores in the design through upwards not lining up but staggering mutually with two, make the heat exchange blind area that originally is positioned at row's heat exchange pore below also can directly absorb heat, enlarged the zone of heat exchange pore direct contact heat air-flow in the heat exchanger fin, thereby improved heat exchange efficiency, and effect is fairly obvious, and by the heat exchanger that this heat exchanger fin is formed, its thermal efficiency can be brought up to more than 88% by original 82%; And, on arrange the heat exchange pore both sides all be provided with the air-flow pilot hole, by increasing the quantity of air-flow pilot hole, prolong the time that thermal current and heat exchanger tube carry out heat exchange as much as possible, the raising heat exchanger effectiveness; Manufactured materials of the present utility model is economized, manufacturing cost is lower, and very energy-saving and environmental protection.
Description of drawings
Fig. 1 is the structural representation of prior art heat exchanger fin;
Fig. 2 is the structural representation of the utility model embodiment;
Fig. 3 is the front view of Fig. 2;
Fig. 4 is the user mode figure (broken section) of the utility model embodiment.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
To shown in Figure 4, this highly effective heat exchange sheet of water heater includes heat exchanger fin body 1 and a plurality of heat exchange pores 2 gentle stream pilot holes 3 that are opened on the heat exchanger fin body 1 as Fig. 2;
Wherein, the hole wall of heat exchange pore 2 gentle stream pilot holes 3 protrudes to a side, forms the protruding wall of a circle, referring to Fig. 2;
Described heat exchange pore 2 is parallel is distributed with two rows, this two rows heat exchange pore 2 staggers mutually in the vertical, heat exchanger fin body 1 roughly is narrow trapezoidal in wide top, bottom, and the quantity of last row's heat exchange pore 2 is just caing be compared to down, and row's heat exchange pore 2 lacks one, in the present embodiment, two rows heat exchange pore 2 aperture unanimities, on arrange heat exchange pore 2 and be provided with two, following row's heat exchange pore 2 is provided with three;
Described air-flow pilot hole 3 also is provided with two rows, the above and below of the row's of laying respectively at heat exchange pore 2, the both sides that are positioned at row's heat exchange pore 2 on the heat exchanger fin body 1 also are provided with air-flow pilot hole 3, in the present embodiment, the above and below of last row's heat exchange pore 2 is respectively arranged with three air-flow pilot holes 3, and the heat exchange pore 2 that just in time relatively upward arrange the position of all air-flow pilot holes 3 staggers mutually in the vertical;
Simultaneously, between the heat exchange pore 2 of the bottom of described heat exchanger fin body 1, offer groove 11, and the distance between these groove 11 tops and heat exchanger fin body 1 bottom row down, with the ratio of the height of whole heat exchanger fin body 1 be 0.43;
Described groove 11 also has the shape of circular arc 11a in the end, the diameter of this circular arc 11a and the diameter ratio of heat exchange pore 2 are 0.3; Distance between the center of circle of the circular arc 11a of groove 11 ends and heat exchanger fin body 1 bottom, and down the center of circle of row's heat exchange pore 2 and the ratio of the distance between heat exchanger fin body 1 bottom are 2.0;
And, also be provided with reducing 11b in the circular arc end of groove 11 and the junction of groove 11 two sides.
A plurality of such heat exchanger fin assembly units get up to form a complete heat exchanger, wherein, heat exchange pore 2 in corresponding each heat exchanger fin is all aimed at one by one, the meeting of air-flow pilot hole 3 natures in each heat exchanger fin is aimed at one by one, like this, one group of heat exchange pore 2 of aiming at one by one is successive because of its protruding wall, passage of formation of nature, and the heat exchanger tube 4 of heat exchanger forms a unique water stream channel that head and the tail connect with regard to penetrating all passages, referring to Fig. 4.
Claims (7)
1. highly effective heat exchange sheet of water heater, comprise heat exchanger fin body (1) and be opened in gentle stream pilot holes of a plurality of heat exchange pores (2) (3) on the heat exchanger fin body (1), wherein, the hole wall of the gentle stream pilot hole of heat exchange pore (2) (3) protrudes to a side, form the protruding wall of a circle, and, heat exchange pore (2) is parallel is distributed with two rows, air-flow pilot hole (3) also is provided with two rows, and the above and below of the row's of laying respectively at heat exchange pore (2), it is characterized in that: described two row's heat exchange pores (2) stagger mutually in the vertical, and the heat exchange pore (2) that just in time relatively upward arrange the position of described air-flow pilot hole (3) staggers mutually in the vertical.
2. highly effective heat exchange sheet of water heater according to claim 1 is characterized in that: described heat exchanger fin body (1) roughly is narrow trapezoidal in wide top, bottom, and the quantity of the described row's of going up heat exchange pore (2) is just caing be compared to row's down few one of heat exchange pore (2).
3. highly effective heat exchange sheet of water heater according to claim 1 is characterized in that: the both sides that are positioned at row's heat exchange pore (2) on the described heat exchanger fin body (1) also are provided with air-flow pilot hole (3).
4. according to claim 1 or 2 or 3 described highly effective heat exchange sheet of water heater, it is characterized in that: under the bottom of described heat exchanger fin body (1) is positioned at, offer groove (11) between row's the heat exchange pore (2), and the distance between described groove (11) top and heat exchanger fin body (1) bottom, with the ratio of the height of whole heat exchanger fin body (1) be 0.4～0.43.
5. highly effective heat exchange sheet of water heater according to claim 4 is characterized in that: described groove (11) also has the shape of circular arc (11a) in the end, and the scope of the diameter ratio of diameter of this circular arc (11a) and heat exchange pore (2) is 0.26～0.3.
6. highly effective heat exchange sheet of water heater according to claim 5, it is characterized in that: the distance between the center of circle of the circular arc (11a) of described groove (11) end and heat exchanger fin body (1) bottom, and the ratio of the distance between the center of circle of following row's heat exchange pore (2) and heat exchanger fin body (1) bottom is 2.0.
7. highly effective heat exchange sheet of water heater according to claim 5 is characterized in that: also be provided with reducing (11b) in the circular arc end of described groove (11) and the junction of groove (11) two side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720108231XU CN201034443Y (en) | 2007-04-13 | 2007-04-13 | Highly-effective water heater heat transfer sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720108231XU CN201034443Y (en) | 2007-04-13 | 2007-04-13 | Highly-effective water heater heat transfer sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201034443Y true CN201034443Y (en) | 2008-03-12 |
Family
ID=39195332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720108231XU Expired - Fee Related CN201034443Y (en) | 2007-04-13 | 2007-04-13 | Highly-effective water heater heat transfer sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201034443Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677150A (en) * | 2017-10-30 | 2018-02-09 | 湛江双流主热交换器制造有限公司 | A kind of burnt gas wall hanging furnace bushing type main heat exchanger |
-
2007
- 2007-04-13 CN CNU200720108231XU patent/CN201034443Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677150A (en) * | 2017-10-30 | 2018-02-09 | 湛江双流主热交换器制造有限公司 | A kind of burnt gas wall hanging furnace bushing type main heat exchanger |
| CN107677150B (en) * | 2017-10-30 | 2024-05-24 | 湛江双流主热交换器制造有限公司 | Main heat exchanger of wall-hanging stove sleeve type of gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080312 Termination date: 20120413 |