CN202109811U - Finned pipe type heat exchanger used in a combustion gas heating water heater - Google Patents
Finned pipe type heat exchanger used in a combustion gas heating water heater Download PDFInfo
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- CN202109811U CN202109811U CN2011201774590U CN201120177459U CN202109811U CN 202109811 U CN202109811 U CN 202109811U CN 2011201774590 U CN2011201774590 U CN 2011201774590U CN 201120177459 U CN201120177459 U CN 201120177459U CN 202109811 U CN202109811 U CN 202109811U
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Abstract
The utility model provides a finned pipe type heat exchanger used in a combustion gas heating water heater. The heat exchanger comprises a current collector, heat exchange flat tubes and fins; the current collector includes two water box divided by a heat exchanging body segment; both ends of a plurality of heat exchange flat tubes are respectively inserted into the heat exchange flat tube jacks on the two water box to connect with the current collector; a division board is disposed in the water box; the heat exchange flat tubes are passed through the through holes of the fins to connect with the fins; the fins are distributed in the heat exchanging body segment; the current collector has a water inlet and a water outlet which are respectively connected externally with a water inlet joint and a water outlet joint; the heat exchange flat tubes are single-channel straight tubes with the section sizes of 2-6X10-30mm; and at least 10 heat exchange flat tubes are arranged side by side. The utility model achieves the advantages that: (1) the heat exchange tube of unit mass has larger heat exchanging area, and the main heat exchanger has higher heat exchanging efficiency; (2) the main heat exchanger has a highly compact structure and a light whole weight, and can save a great amount of material cost; (3) the main heat exchanger has low loss caused by water resistance and pressure; (4) the main heat exchanger has the characteristics of simple manufacturing technology, easy manufacturing and low manufacturing cost.
Description
Technical field
The utility model relates to the main heat exchanger (hereinafter to be referred as main heat exchanger) that is used for high-temperature flue gas and current generation heat exchange in gas-heating water heater or the water heater.
Background technology
The Chinese patent that traditional main heat exchanger such as the applicant apply for not long ago " gas-heating water heater main heat exchanger " (number of patent application is 200920053400.3); It adopts the scheme of heat exchanger tube with fin; Heat exchanger tube is formed the straight tube serial connection by elbow, and the jointing at the two ends of heat exchanger tube, some fins are arranged in certain spacing uniformly forms fins set on the straight tube; Wherein heat exchanger tube is used for through current, and its cross section is circular or oval; Fin is welded on the heat exchange pipe, is used to enlarge heat-conducting area, and the heat of the high-temperature flue gas that fuel gas buring is produced is passed to heat exchanger tube through fin, by heat exchanger tube heat and the current that pass through is carried out heat exchange again.The heat exchanger tube of existing this main heat exchanger is thicker, and the heat exchanger tube spacing is big, and heat exchange efficiency is not ideal enough, has also that to consume material more, shortcomings such as manufacturing cost height.
Notification number is the disclosed main heat exchanger of patent " a kind of plate-fin heat exchanger that is used for gas heater " of CN101832723A; Like Fig. 9 and shown in Figure 10; It comprises core body 6, end socket 7, entrance sleeve 8 and discharge connection 9; Wherein core body 6 is by being separated into a plurality of exhaust gases passes through dividing plate 10 in the rectangular enclosure and the sanitary water passage is formed, and the both sides of sanitary water passage are respectively exhaust gases passes; Exhaust gases passes is between two metal partion (metp)s 10, fume side fin 11 to be set, and fume side fin 11 arranges that vertically the left and right sides of fume side fin 11 constitutes one and can make the vertically passage of circulation of flue gas through strip of paper used for sealing 12 sealings.The sanitary water passage is that water side fin 13 is set between two metal partion (metp)s 10; Water side fin 13 lateral arrangement; The both sides up and down of water side fin 13 are through strip of paper used for sealing 12 sealings; Right ends is communicated with two end sockets respectively, constitutes one and can make the laterally passage of circulation of sanitary water, and the end socket 7 of both sides links to each other with sanitary water entrance sleeve 8 and discharge connection 9 respectively.
This main heat exchanger is changed the structure of traditional main heat exchanger, and sanitary water passage (we are referred to as heat exchanger tube) is made the flat tube shape structure that is built-in with water side fin 13 with two metal partion (metp)s 10 with strip of paper used for sealing 12, and the flue gas contact area of heat exchanger tube is increased greatly; Consequently structure height is compact; Under equal heat transfer intensity, material that heat exchanger consumes is less, and spatial volume is less; Its weak point is a complex structure, is not easy to make.
Summary of the invention
The purpose of the utility model is to propose a kind of fin and tube type main heat exchanger that is used for the gas-heating water heater, and it has the advantages that heat exchange efficiency height, water resistance are little, save material and make easily.
The purpose of the utility model can realize through following technical scheme:
Be used for the fin and tube type main heat exchanger of gas-heating water heater, comprise collector, flat heat exchange pipe and fin, collector comprises by separated two water boxes between the heat exchange tagma; Two water boxes respectively have the flat heat exchange pipe jack of mutual correspondence; The two ends of some flat heat exchange pipe are inserted respectively in the flat heat exchange pipe jack of two water boxes and are connected with collector, and the flat heat exchange pipe internal channel is connected with the water box, is provided with demarcation strip in the water box; Said fin is provided with the suitable fin perforation of a plurality of and said flat heat exchange pipe; Flat heat exchange pipe is passed the fin perforation and is connected with some fins, is covered with fin between two water boxes of collector, and collector has water inlet and delivery port; The outer disjunctor of water inlet connects water supply connector, and the outer disjunctor of delivery port connects water out adapter.
Said flat heat exchange pipe is the single channel straight tube, and its cross-sectional width is 2～6 mm, highly is 10～30 mm; The ratio of width to height is 1:5～10; Thickness of pipe wall is 0.2～1 mm, the edge arc transition, and at least 10 flat heat exchange pipe flat rafts are arranged; Distance between the adjacent flat heat exchange pipe is 5～15 mm, and the spacing between the adjacent fins is 2～5mm.
The thickness of said fin is 0.05～0.3 mm.
Prioritization scheme is: flat heat exchange pipe is divided into 2 rows at least arranges, and every row is by 8～30 flat heat exchange pipe that are arranged in parallel of highly aliging.
Further optimize and be: the long limit limit portion of fin has flanging and indent, and fin has a plurality of points and presses shape.
Further optimize and be: the surface of flat heat exchange pipe and fin has corrosion-resistant coating.
The utlity model has following substantive distinguishing features and progress:
1. the sectional dimension of the heat exchanger tube of main heat exchanger is little, compares with circle or oval pipe that existing sectional area is bigger, and the heat exchange area of the utility model unit mass heat exchanger tube is bigger, and the heat exchange efficiency of main heat exchanger is high;
2. the main heat exchanger copper consumption significantly reduces with other type heat exchangers of power, and structure height is compact, and overall weight is light, saves the lot of materials cost;
3. adjustment fluid flow direction and distance after main heat exchanger divides into groups heat exchanger tube through collector make fluid reach best heat exchange effect through the time of main heat exchanger, make the water resistance of main heat exchanger and the pressure loss little simultaneously.
Description of drawings
Fig. 9 is that notification number is the outline drawing of the patent of CN101832723A.
Fig. 1 is the side view of Fig. 7.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is A-A face cutaway view of Fig. 1.
Fig. 4 is fin structure (the local amplification) sketch map.
Fig. 5 is the vertical view of Fig. 4.
Fig. 6 is flat heat exchange pipe sectional view (amplification).
Fig. 7 is a kind of profile stereogram of the utility model.
Fig. 8 is the manufacturing process flow diagram of the utility model.
Figure 10 is the heat exchanger core body structural representation among Fig. 9.
Fig. 9 is that notification number is the outline drawing of the patent of CN101832723A.
The specific embodiment
With reference to figure 1-7, the fin and tube type main heat exchanger that is used for the gas-heating water heater that the utility model proposes comprises: the first water box 1, the second water box 2, flat heat exchange pipe 3 and fin 4, the first water boxes 1 and the second water box 2 be the composition collectors in pairs; The said first water box 1 has water inlet and outer connection water supply connector 21; Between said second water box 2 and the first water box, 1 formation heat exchange spaced a predetermined distance from tagma, the second water box 2 of present embodiment has delivery port and the outer water out adapter 22 that connects; Also the flat heat exchange pipe jack 30 that the first water box 2 and the second water box 1 respectively have mutual correspondence can as required delivery port and water out adapter 22 be located on the first water box 1.
The flat heat exchange pipe jack 30 that flat heat exchange pipe 3, the two ends of said flat heat exchange pipe 3 are inserted collector respectively links to each other with the second water box 2 with the said first water box 1 and flat heat exchange pipe 3 internal channels is connected with the interior space of the first water box 1 and the second water box 2, and flat heat exchange pipe 3 is the single channel copper pipe; Its cross-sectional width is 2～10mm (present embodiment is 2 mm), highly is 10～40 mm (present embodiment is 20mm), and wall thickness is 0.2～1mm; (present embodiment is 0.5mm), edge arc transition, the flat heat exchange pipe of present embodiment have 2 rows; 16 of last rows; Under arrange 15, every row's flat heat exchange pipe is arranged in parallel by alignment highly, is 5～15 mm (present embodiment is 8 mm) with the distance of row between the adjacent flat heat exchange pipe; Row and following row's flat heat exchange pipe does not line up (dislocation is arranged) on the present embodiment, and the distance between last row and the following row is 5 mm.
Nearly about 1/3 place of water inlet establishes demarcation strip 5 in the first water box 1 of present embodiment; Nearly about 1/3 place of delivery port establishes demarcation strip 5 in the second water box 2; Make flat heat exchange pipe 3 be divided into 3 groups like this, every group of 10～11 flat heat exchange pipe, the fluid passage becomes Z-shaped structure; Such structure suitably prolongs the fluid passage, also reduces the fluid resistance of main heat exchanger simultaneously.The setting of demarcation strip can be set according to the needs of main heat exchanger in the collector.
The surface of flat heat exchange pipe 3 and fin 4 has corrosion-resistant coating.
With reference to figure 8, make the method for the fin and tube type main heat exchanger that is used for the gas-heating water heater, comprise the steps:
A. many flat heat exchange pipe are made, and flat heat exchange pipe is the single-pass deferent of being processed by the metal copper material, and its cross-sectional width is 2～6 mm, highly is 10～30 mm, and wide aspect ratio is 1:5～10, and thickness of pipe wall is 0.2～1 mm, and the edge arc transition is crossed;
B., the first water box and the second water box are provided, and the first water box and the second water box are formed collector in pairs, and the first water box and the second water box respectively are divided into connecting plate and cover plate two parts, and connecting plate is provided with at least one row flat tube jack compatible with the described flat heat exchange pipe end of steps A; Every row is by 8～30 the flat tube jacks that are arranged in parallel that highly align, and the distance on every rows of flat pipes jack between the adjacent flat tube jack is 5～15 mm; The cover plate of the first water box is provided with water inlet, and the outer disjunctor of water inlet connects water supply connector, and the cover plate of the second water box is provided with delivery port, and the outer disjunctor of delivery port connects water out adapter; Earlier be put into demarcation strip on the locating slot of connecting plate or cover plate of the first water box and the second water box and locate to coat soldering paste on the edge of; Respectively with cover plate and connecting plate covers and fixing constitute the first water box and the second water box, soldering paste is also coated in the junction of cover plate and connecting plate again;
C. provide fin to make, fin is provided with fin perforation a plurality of and that the described flat heat exchange pipe of steps A is suitable; The fin perforation is corresponding one by one with the first water box and the flat tube jack position on the second water box of step B; The thickness of fin is 0.05～0.3 mm, and the upper and lower both sides of fin have flanging and indent, and fin can have a plurality of points and press shape;
D. flat heat exchange pipe is combined with fin, with fin perforation and the alignment that many isometric flat heat exchange pipe are passed fin, the polylith fin is arranged side by side with the spacing of 2～5mm and is distributed on the many flat heat exchange pipe, flat heat exchange pipe and the fin formation heat exchange body that intersects vertically;
E. the flat heat exchange pipe two ends of heat exchange body are inserted respectively in the flat tube jack of the first water box and the second water box, and coat soldering paste, constitute the main heat exchanger base substrate in the junction of flat heat exchange pipe and connecting plate;
F. the main heat exchanger base substrate is sent into hard fine brazier and carry out hard fine weldering;
G. the cooling back is cleaned, is processed the main heat exchanger base substrate;
H. anti-corrosive paints on the surfaces coated of main heat exchanger base substrate;
I. detect.
Through detecting proof:
1. the heat exchange area of the main heat exchanger unit mass heat exchanger tube of the utility model is big, and the heat exchange efficiency of main heat exchanger is high;
2. the main heat exchanger copper consumption of the utility model significantly reduces with other type heat exchangers of power, and structure height is compact, and overall weight is light, saves the lot of materials cost;
3. the water resistance of the main heat exchanger of the utility model and the pressure loss are little;
4. the manufacturing of the utility model is used for the method for the fin and tube type main heat exchanger of gas-heating water heater, and it is simple to have manufacturing process, the characteristics of easy manufacturing of main heat exchanger and low cost of manufacture.
Claims (5)
1. be used for the fin and tube type main heat exchanger of gas-heating water heater, comprise collector, flat heat exchange pipe and fin, collector comprises by separated two water boxes between the heat exchange tagma; Two water boxes respectively have the flat heat exchange pipe jack of mutual correspondence; The two ends of some flat heat exchange pipe are inserted respectively in the flat heat exchange pipe jack of two water boxes and are connected with collector, and the flat heat exchange pipe internal channel is connected with the interior space of water box, is provided with demarcation strip in the water box; Said fin is provided with the suitable fin perforation of a plurality of and said flat heat exchange pipe; Flat heat exchange pipe is passed the fin perforation and is connected with some fins, is covered with fin between two water boxes of collector, and collector has water inlet and delivery port; Water inlet connects water supply connector outward, and delivery port connects water out adapter outward; It is characterized in that: said flat heat exchange pipe is the single channel straight tube, and its cross-sectional width is 2～6mm, highly is 10～30 mm; The ratio of width to height is 1:5～10; Thickness of pipe wall is 0.2～1 mm, the edge arc transition, and at least 10 flat heat exchange pipe flat rafts are arranged; Distance between the adjacent flat heat exchange pipe is 5～15 mm, and the spacing between the adjacent fins is 2～5mm.
2. fin and tube type main heat exchanger according to claim 1 is characterized in that: flat heat exchange pipe is divided into 2 rows at least arranges, and every row is by 8～30 flat heat exchange pipe that are arranged in parallel of highly aliging.
3. fin and tube type main heat exchanger according to claim 1 and 2 is characterized in that: the thickness of fin is 0.05～0.3 mm.
4. fin and tube type main heat exchanger according to claim 3 is characterized in that: the long limit limit portion of fin has flanging and indent.
5. fin and tube type main heat exchanger according to claim 4 is characterized in that: fin has a plurality of points and presses shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201774590U CN202109811U (en) | 2011-05-30 | 2011-05-30 | Finned pipe type heat exchanger used in a combustion gas heating water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201774590U CN202109811U (en) | 2011-05-30 | 2011-05-30 | Finned pipe type heat exchanger used in a combustion gas heating water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202109811U true CN202109811U (en) | 2012-01-11 |
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ID=45435249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201774590U Expired - Lifetime CN202109811U (en) | 2011-05-30 | 2011-05-30 | Finned pipe type heat exchanger used in a combustion gas heating water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202109811U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278899A (en) * | 2011-05-30 | 2011-12-14 | 广州迪森家用锅炉制造有限公司 | Finned tube type main heat exchanger for fuel gas heating water heater and manufacturing method thereof |
| CN109114812A (en) * | 2018-09-12 | 2019-01-01 | 广东万和新电气股份有限公司 | A kind of heat exchanger |
-
2011
- 2011-05-30 CN CN2011201774590U patent/CN202109811U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278899A (en) * | 2011-05-30 | 2011-12-14 | 广州迪森家用锅炉制造有限公司 | Finned tube type main heat exchanger for fuel gas heating water heater and manufacturing method thereof |
| CN109114812A (en) * | 2018-09-12 | 2019-01-01 | 广东万和新电气股份有限公司 | A kind of heat exchanger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 510760, No. two, 3, Cang Lian Road, Guangzhou economic and Technological Development Zone, Guangdong Patentee after: Guangzhou Addison Home Environment Technology Co., Ltd. Address before: 510760, No. two, 3, Cang Lian Road, Guangzhou economic and Technological Development Zone, Guangdong Patentee before: Guangzhou Devotion Domestic Boilers Manufacturing Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120111 |