CN201166454Y - Three-segment type heat exchange water heater - Google Patents
Three-segment type heat exchange water heater Download PDFInfo
- Publication number
- CN201166454Y CN201166454Y CNU2008200038812U CN200820003881U CN201166454Y CN 201166454 Y CN201166454 Y CN 201166454Y CN U2008200038812 U CNU2008200038812 U CN U2008200038812U CN 200820003881 U CN200820003881 U CN 200820003881U CN 201166454 Y CN201166454 Y CN 201166454Y
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- water heater
- combustion chamber
- exchanger tube
- heat exchanger
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Abstract
The utility model discloses a three-segment heat exchanging water heater, which comprises a casing, a combustion chamber and a heat exchanging pipe, wherein the heat exchanging pipe is bent in the combustion chamber to form a horizontally-arranged heat exchanging pipe layer, the upper portion of the combustion chamber is provided with an air flue outlet, the heat exchanging pipe layer is divided into a main heat exchanging layer and at least one upper preheating layer, and the upper preheating layer is arranged on the transitional portion between the combustion chamber and the air flue outlet, the main heat exchanging layer is arranged in the combustion chamber, which is divided into at least one lower layer and at least a middle layer, and the upper preheating layer, the middle layer and the lower layer are mutually parallel, wherein the water inlet of the upper preheating layer is connected with the cooling water inlet of the water heater, the water outlet of the lower layer is connected with the water inlet of the middle layer, and the water outlet of the middle layer is the hot water outlet of the water heater. The three-segment heat exchanging water heater makes full use of waste gas heat of the combustion chamber to primarily preheat cooling water, reduces the mobility speed of high-temperature gas, greatly improves heat exchanging efficiency, lowers gas usage, has low production cost, is beneficial for environment protection, and does not increase manufacture cost.
Description
Technical field
The utility model relates to a kind of water heater, particularly a kind of water heater of syllogic heat exchange.
Background technology
Along with developing rapidly of gas cause, urban and rural residents' rate of gasification improves rapidly, and domestic gas-fired water heater has become the necessity of resident's daily life.The annual production of China's gas heater is above 4,000,000.In the prior art, gas heater generally adopts the downflow type heat exchange mode, and promptly current carry out heat exchange according to the fluid interchange mode of low in and high out by the combustion chamber.But present situation with regard to China's production, the water heater exhaust gas temperature is about 110 ℃～260 ℃, that have even also higher, smoke discharging residual heat fails to make full use of, the general gas water heater is when burning, have nearly 30% heat to be taken away by waste gas, the thermal efficiency of water heater is about 80%, more is lower than 80%.This situation not only causes the waste of the energy, increases use cost, also is unfavorable for environmental protection.At present domestic some research institution and production unit improve the thermal efficiency of water heater by the heat transfer boundary condition that improves heat exchanger, but effect is all undesirable.Though what have can reach the desirable thermal efficiency, but cost is very high again, causes water heater price height, and domestic consumer can't use.
The formal issuing and implementation of the state compulsory standard of gas heater industry-" domestic gas instantaneous water heater efficiency limit value and efficiency grade ".This standard is carried out mandatory provisions to the thermal efficiency of gas heater, and thermal efficiency value is lower than the sale that will be under an embargo of 84% gas heater.
Therefore, need transform, not increase manufacturing cost when making it improve heat exchange efficiency gas heater.
The utility model content
In view of this, the purpose of this utility model provides a kind of water heater of syllogic heat exchange, can increase substantially heat exchange efficiency; reduce smog discharge temperature, thereby reduced use cost, be beneficial to environmental protection; and compare with common water heater, manufacturing cost does not increase.
The water heater of syllogic heat exchange of the present utility model, comprise shell, combustion chamber and heat exchanger tube, described heat exchanger tube is circuitous in the combustion chamber to be bent to form horizontally disposed heat exchanger tube layer, top, combustion chamber is provided with flue outlet, described heat exchanger tube layer is divided at least preliminary heating zone and main heat exchange layer on one deck, described upward preliminary heating zone is arranged on the combustion chamber and flue outlet is excessively located, described main heat exchange layer is arranged in the combustion chamber, be divided into one deck lower layer and one deck middle part layer at least at least, described upward preliminary heating zone, middle part layer and lower layer are parallel to each other; The described preliminary heating zone water inlet of going up is connected with the water heater cold water inlet, and last preliminary heating zone delivery port connects the lower layer water inlet, and the lower layer delivery port connects middle part layer water inlet, and middle part layer delivery port is the water heater hot-water outlet.
Further, described preliminary heating zone, middle part layer and the lower layer gone up is respectively one deck, and the middle part layer is arranged at the high-temperature region of combustion chamber;
Further, parallel to each other and on direction, shift to install between the heat exchanger tube of the heat exchanger tube of the described heat exchanger tube of going up preliminary heating zone, middle part layer and lower layer perpendicular to horizontal plane;
Further, be provided with at an angle mutually between the heat exchanger tube of the heat exchanger tube of the heat exchanger tube of described upward preliminary heating zone, middle part layer and lower layer;
Further, be connected by heat radiation layer between described upward preliminary heating zone water inlet and the water heater cold water inlet, described heat radiation layer is bent to form by heat exchanger tube is circuitous, is arranged at the bottom, combustion chamber, and the heat radiation layer water inlet is the water heater cold water inlet.
The beneficial effects of the utility model are: the water heater of syllogic heat exchange of the present utility model, employing is provided with the structure of preliminary heating zone at floss hole, realize that the current temperature-rise period is consistent with fuel gas buring thermograde position, make full use of the waste gas of combustion chamber waste heat with the preliminary preheating of cold water, can also reduce the mobile speed of high-temperature gas, prolong heat-exchange time, can increase substantially heat exchange efficiency, reduce smog discharge temperature, reduce gas consumption, thereby reduced use cost greatly, be beneficial to environmental protection, and compare with common water heater, manufacturing cost does not increase; Last preliminary heating zone, middle part layer and lower layer are one deck, make the water heater compact conformation, and volume is little; Parallel to each other and on direction, shift to install between each layer heat exchanger tube perpendicular to horizontal plane, high-temperature gas is played damping action, further slow down the high-temperature gas speed that flows, thereby further improve heat exchange efficiency; Be provided with at an angle mutually between each layer heat exchanger tube, also can play damping action to high-temperature gas equally, further slow down the mobile speed of high-temperature gas, thereby further improve heat exchange efficiency; Heat radiation layer is set,, helps improving heat exchange efficiency the preliminary preheating of cold water.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described.
Fig. 1 is the utility model structural representation;
Fig. 2 is that the utility model embodiment one heat exchanger tube is arranged schematic diagram;
Fig. 3 is that the utility model embodiment two heat exchanger tubes are arranged schematic diagram.
The specific embodiment
Embodiment one
Fig. 1 is the utility model structural representation, Fig. 2 arranges schematic diagram for the present embodiment heat exchanger tube, and as shown in the figure: the water heater of present embodiment syllogic heat exchange comprises shell 1, combustion chamber 3 and heat exchanger tube 2, heat exchanger tube 2 is circuitous in combustion chamber 3 to be bent to form the heat exchanger tube layer, and the heat exchanger tube layer is horizontally disposed with; 3 tops, combustion chamber are provided with flue outlet 7.The heat exchanger tube layer is divided into preliminary heating zone 6 and main heat exchange layer on one deck, last preliminary heating zone 6 is arranged on combustion chamber 3 and excessively locates with flue outlet 7, the main heat exchange layer is arranged in the combustion chamber 3, be divided into one deck lower layer 4 and one deck middle part layer 5, last preliminary heating zone 6, middle part layer 5 and lower layer 4 are parallel to each other, and each layer is one deck setting, make whole water heater simple and compact for structure, constitute the syllogic heat exchange, realize that the current temperature-rise period is consistent with fuel gas buring thermograde position; Middle part layer 5 is arranged at the high-temperature region of combustion chamber 3; Parallel to each other and on direction, shift to install between the heat exchanger tube of the heat exchanger tube of the heat exchanger tube of last preliminary heating zone 6, middle part layer 5 and lower layer 4 perpendicular to horizontal plane, parallel to each other and on direction, shift to install between each layer heat exchanger tube perpendicular to horizontal plane, high-temperature gas is played damping action, further slow down the mobile speed of high-temperature gas, thereby further improve heat exchange efficiency; Last preliminary heating zone 6 water inlets enter the mouth with water heater cold water and are connected by heat radiation layer 10 between 8, heat radiation layer 10 is made a circulation in the combustion chamber 3 outside and be close to the combustion chamber outer cover and form by heat exchanger tube 2 bendings, heat radiation layer 10 water inlets are tankless water heater cold water inlet 8, last preliminary heating zone 6 delivery ports connect lower layer 4 water inlets, lower layer 4 delivery ports connect middle part layer 5 water inlet, and layer 5 delivery port in middle part are water heater hot-water outlet 9.
Embodiment two
Fig. 3 is that the utility model embodiment two heat exchanger tubes are arranged schematic diagram, and present embodiment with the difference of embodiment one is: the heat exchanger tube arrangement mode of the heat exchanger tube of the last preliminary heating zone 6 of present embodiment, the heat exchanger tube of middle part layer 5 and lower layer 4 is different.As shown in the figure: be provided with at an angle mutually between the heat exchanger tube of the heat exchanger tube of the last preliminary heating zone 6 of the water heater of present embodiment syllogic heat exchange, the heat exchanger tube of middle part layer 5 and lower layer 4, be provided with at an angle mutually between each layer heat exchanger tube, increase effective heat exchange area, also can play damping action to high-temperature gas equally, further slow down the mobile speed of high-temperature gas, thereby further improve heat exchange efficiency.
Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (7)
1. the water heater of a syllogic heat exchange, comprise shell (1), combustion chamber (3) and heat exchanger tube (2), described heat exchanger tube (2) is circuitous in combustion chamber (3) to be bent to form horizontally disposed heat exchanger tube layer, top, combustion chamber (3) is provided with flue outlet (7), it is characterized in that: described heat exchanger tube layer is divided at least preliminary heating zone (6) and main heat exchange layer on one deck, the described preliminary heating zone (6) of going up is arranged on combustion chamber (3) and the excessive place of flue outlet (7), described main heat exchange layer is arranged in the combustion chamber (3), be divided into one deck lower layer (4) and one deck middle part layer (5) at least at least, the described preliminary heating zone (6) of going up, middle part layer (5) and lower layer (4) are parallel to each other; Described preliminary heating zone (6) water inlet of going up is connected with water heater cold water inlet (8), last preliminary heating zone (6) delivery port connects lower layer (4) water inlet, lower layer (4) delivery port connects middle part layer (5) water inlet, and middle part layer (5) delivery port is water heater hot-water outlet (9).
2. the water heater of syllogic heat exchange according to claim 1 is characterized in that: described preliminary heating zone (6), middle part layer (5) and the lower layer (4) gone up is respectively one deck, and middle part layer (5) is arranged at the high-temperature region of combustion chamber (3).
3. the water heater of syllogic heat exchange according to claim 1 and 2 is characterized in that: parallel to each other and shift to install on the direction perpendicular to horizontal plane between the heat exchanger tube of the described heat exchanger tube of going up preliminary heating zone (6), middle part layer (5) and the heat exchanger tube of lower layer (4).
4. the water heater of syllogic heat exchange according to claim 1 and 2 is characterized in that: be provided with at an angle mutually between the heat exchanger tube of the heat exchanger tube of described upward preliminary heating zone (6), the heat exchanger tube of middle part layer (5) and lower layer (4).
5. the water heater of syllogic heat exchange according to claim 1 and 2, it is characterized in that: described upward preliminary heating zone (6) water inlet enters the mouth with water heater cold water and is connected by heat radiation layer (10) between (8), described heat radiation layer (10) is made a circulation in the combustion chamber by heat exchanger tube (2) bending, and (3) outside forms, and heat radiation layer (10) water inlet is tankless water heater cold water inlet (8).
6. the water heater of syllogic heat exchange according to claim 3, it is characterized in that: described upward preliminary heating zone (6) water inlet enters the mouth with water heater cold water and is connected by heat radiation layer (10) between (8), described heat radiation layer (10) is made a circulation in the combustion chamber by heat exchanger tube (2) bending, and (3) outside forms, and heat radiation layer (10) water inlet is tankless water heater cold water inlet (8).
7. the water heater of syllogic heat exchange according to claim 4, it is characterized in that: described upward preliminary heating zone (6) water inlet enters the mouth with water heater cold water and is connected by heat radiation layer (10) between (8), described heat radiation layer (10) is made a circulation in the combustion chamber by heat exchanger tube (2) bending, and (3) outside forms, and heat radiation layer (10) water inlet is tankless water heater cold water inlet (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200038812U CN201166454Y (en) | 2007-04-30 | 2008-03-03 | Three-segment type heat exchange water heater |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200720124171.0 | 2007-04-30 | ||
| CN200720124171 | 2007-04-30 | ||
| CNU2008200038812U CN201166454Y (en) | 2007-04-30 | 2008-03-03 | Three-segment type heat exchange water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201166454Y true CN201166454Y (en) | 2008-12-17 |
Family
ID=40191844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200038812U Expired - Fee Related CN201166454Y (en) | 2007-04-30 | 2008-03-03 | Three-segment type heat exchange water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201166454Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990265A (en) * | 2015-08-04 | 2015-10-21 | 王丙康 | Heat recovery device of water heater |
| CN109612139A (en) * | 2018-12-03 | 2019-04-12 | 湖南达道新能源开发有限公司 | A kind of U-shaped well underground heat mixed flow heat exchange cycle system |
-
2008
- 2008-03-03 CN CNU2008200038812U patent/CN201166454Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990265A (en) * | 2015-08-04 | 2015-10-21 | 王丙康 | Heat recovery device of water heater |
| CN109612139A (en) * | 2018-12-03 | 2019-04-12 | 湖南达道新能源开发有限公司 | A kind of U-shaped well underground heat mixed flow heat exchange cycle system |
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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: 20081217 Termination date: 20120303 |