CN210014566U - Heat exchanger for gas water heater and gas water heater - Google Patents
Heat exchanger for gas water heater and gas water heater Download PDFInfo
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- CN210014566U CN210014566U CN201920794305.2U CN201920794305U CN210014566U CN 210014566 U CN210014566 U CN 210014566U CN 201920794305 U CN201920794305 U CN 201920794305U CN 210014566 U CN210014566 U CN 210014566U
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- water
- heat exchanger
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- heat
- pipeline
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 140
- 239000007789 gas Substances 0.000 claims abstract description 48
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000003546 flue gas Substances 0.000 claims abstract description 31
- 238000011084 recovery Methods 0.000 claims abstract description 5
- 238000005192 partition Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 description 4
- 239000000779 smoke Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000005239 tubule Anatomy 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- PTVDYARBVCBHSL-UHFFFAOYSA-N copper;hydrate Chemical compound O.[Cu] PTVDYARBVCBHSL-UHFFFAOYSA-N 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Details Of Fluid Heaters (AREA)
Abstract
The utility model discloses a heat exchanger and gas heater that gas heater used, heat exchanger include the casing, the casing encloses into the flue gas passageway that has flue gas section and heat transfer section, serpentine heat transfer circuit is set up to the flue gas passageway inside of heat transfer section, heat transfer circuit one end is communicated with the inlet tube, the heat transfer circuit other end is communicated with the outlet pipe through the flat water pipeline that is used for heat recovery, the water pipeline sets up on the casing outer wall of flue gas section, the water inlet end of water pipeline through the pipeline with the water outlet end in heat transfer water route links to each other, the water outlet end of water pipeline with the outlet pipe links to each other; the gas water heater comprises a heat exchanger, and the heat exchanger is the heat exchanger for the gas water heater. The utility model discloses a heat exchanger adopts the plane formula pipeline that is connected with the round tube pipeline, plate-type pipeline and box in close contact with, and heat exchanger has the heat exchange efficiency height, and the temperature rise on gas heater surface is few, improves user experience.
Description
Technical Field
The utility model relates to a gas heater especially relates to a heat exchanger that gas heater used.
Background
The heat exchanger of the existing gas water heater mostly adopts a copper heat exchanger, the heat exchanger is in an overheat state, or flame directly burns on the surface of the heat exchanger to damage the heat exchanger, the traditional heat exchanger adopts a method of externally surrounding a circle of copper water pipe, cold water firstly flows through the water pipe on the periphery of the shell and enters the heat exchanger for heat exchange, so that the temperature rise on the surface of the water heater can be reduced to a certain extent, but the actual effect is limited, and the effect is not obvious under some severe conditions. And the surface temperature of the gas water heater is higher under normal conditions, the part of heat is less involved in heat exchange and is directly dissipated in the air, and meanwhile, the surface temperature of the shell is also raised.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a heat exchanger and gas heater that gas heater was used to on the one hand to solve current heat exchanger's the too high technical problem that leads to heat exchanger damage and surface calorific loss to lead to heat exchange efficiency low of surface temperature rise, on the other hand, with the too high technical problem of solving current water heater shell surface temperature rise.
In order to achieve the above object, the present invention provides a heat exchanger for a gas water heater and a gas water heater, which comprises:
the utility model provides a heat exchanger that gas heater used, includes the casing, the casing encloses into the flue gas passageway that has flue gas section and heat transfer section, the inside snakelike heat transfer return circuit that sets up of flue gas passageway of heat transfer section, heat transfer return circuit one end and inlet tube intercommunication, the heat transfer return circuit other end is through flat water pipeline and the outlet pipe intercommunication that is used for heat recovery, water pipeline sets up on the casing outer wall of flue gas section, the end of intaking of water pipeline pass through the pipeline with the play water end in heat transfer water route links to each other, the play water end of water pipeline with the outlet pipe links to each other.
Furthermore, the heat exchange loop comprises a plurality of straight pipes, the straight pipes transversely penetrate through the flue gas channel of the heat exchange section, the heat exchange fins are sequentially overlapped and sleeved on the straight pipes, and the ends of the straight pipes penetrate out of the side wall of the shell and are connected into the S-shaped heat exchange loop through heat exchange pipes.
Furthermore, the water pipeline comprises a flat pipeline, and the flat pipeline is tightly attached to the outer wall of the smoke section shell.
Furthermore, the cross section of the flat pipeline is rectangular, and the flat pipeline is in close contact with the outer wall with large area of the shell for heat exchange.
Furthermore, the flat pipeline comprises two parts which are respectively arranged on the outer wall opposite to the smoke section shell, and the two flat pipelines are respectively in close contact with the outer wall of the smoke section shell.
Furthermore, a water inlet and a water outlet are respectively arranged on two side walls of the flat pipeline, and the water inlets and the water outlets on the side walls of the two flat pipelines which are positioned at the same side are respectively communicated through connecting pipes.
Furthermore, the end part of the connecting pipe connected with the water inlet of the flat pipe extends into the flat pipe.
Furthermore, a plurality of partition plates are arranged in the flat pipeline from top to bottom, and the flat pipeline is divided into a plurality of temperature intervals from top to bottom through the partition plates.
Furthermore, the baffle is arranged in parallel with the water flow direction, and the side walls of the flat pipeline at the two ends of the baffle are respectively provided with a water inlet and a water outlet.
Furthermore, the water inlet pipe and the connecting pipe are communicated through a section of thin pipe.
A gas water heater comprises a heat exchanger, wherein the heat exchanger is the heat exchanger for the gas water heater.
The utility model discloses a heat exchanger and gas heater that gas heater used have following advantage:
the heat exchanger surface adopt a plane formula pipeline that is connected with the tubular pipe way, plate-type pipeline and heat exchanger box in close contact with, the outside of whole box all can be with this plate-type pipeline contact, the access connection water inlet of external pipeline, the export of external pipeline is the entry of the pipeline in heat exchanger upper portion embedding heat transfer fin, the fin becomes vertical placing inside heat exchanger to the flue gas is discharged, the water pipe passes from wherein. The heat exchanger has high heat exchange efficiency, improves the performance of the whole machine, causes less temperature rise on the surface of the gas water heater, and improves the user experience.
Further, heat exchanger's suitable temperature improve, avoid damaging, even complete machine performance is outstanding under the high temperature condition still, makes the adjustable scope of complete machine have had bigger improvement.
Finally, heat exchanger set up one section tubule between hot water pipeline and cold water pipeline and make both intercommunications, during the use, have a small amount of cold water and sneak into the hot water pipe kind for the temperature rise on heat exchanger surface when taking place proruption situations such as cutting off the water, play the guard action to heat exchanger.
Drawings
Fig. 1 is a perspective view of a heat exchanger according to the present invention;
fig. 2 is a right side view of the plate type pipeline of the present invention;
FIG. 3 is a cross-sectional view taken along plane A-A' of FIG. 2;
fig. 4 is a cross-sectional view of the inside of the plate-type pipe of the present invention.
The reference numbers in the figures illustrate: 1. a housing; 11. a heat exchange section; 12. a flue gas section; 2. a heat exchange pipe; 3. heat exchange fins; 4. a connecting pipe; 5. a flat pipe; 51. a water inlet; 52. a partition plate; 53. a water outlet; 6. a water inlet pipe; 7. a water outlet pipe; 8. a thin tube.
Detailed Description
In order to better understand the purpose, structure and function of the present invention, the heat exchanger for gas water heater and the gas water heater of the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the utility model discloses a heat exchanger that gas heater was used, heat exchanger include casing 1, casing 1 encloses into the flue gas passageway that has flue gas section 12 and heat exchanger section 11, the inside snakelike heat transfer circuit that sets up of flue gas passageway of heat exchanger section 11, cold water inlet on heat transfer circuit one end and the casing 1 of heat exchanger section 11 links to each other, cold water inlet and inlet tube 6's one end intercommunication, inlet tube 6's the other end is through intaking interface and water source intercommunication, the hot water export on the heat transfer circuit other end and the casing 1 of heat exchanger section 11 links to each other.
The heat exchange loop comprises a plurality of straight pipes, the straight pipes transversely penetrate through the flue gas channel of the heat exchange section 11, the heat exchange fins 3 are sequentially overlapped and sleeved on the straight pipes, and the end parts of the straight pipes respectively penetrate out of the side wall of the shell 1 and are connected into the snake-shaped heat exchange loop through the heat exchange tubes 2. The heat exchange fins 3 are heated by high-temperature flue gas in the heat exchanger shell 1, the straight pipe is embedded into the heat exchange fins 3, the fins are vertically placed so as not to obstruct air circulation, heat is transferred to the heat exchange fins 3 through the flue gas, and the heat exchange fins 3 exchange heat with water in the straight pipe.
The temperature of the flue gas section 12 is high, a part of heat is transferred to the outer shell of the gas water heater by the hot air through heat exchange with the internal air, so that the temperature of the surface of the outer shell of the gas water heater is increased, and in the process, the more the air is contacted with the outer shell surface of the heat exchanger, the higher the temperature rise of the air is. Furthermore, a flat water pipeline for heat recovery is arranged on the outer wall of the shell 1 of the flue gas section 12, the water inlet end of the water pipeline is connected with a hot water outlet of the shell 1 through a pipeline, the hot water outlet is arranged on the shell 1 opposite to the cold water inlet, the water outlet end of the water pipeline is connected with the water outlet pipe 7, and the end part of the water outlet pipe 7 is connected with an external water pipeline through a water outlet interface. The heat exchanger is mainly used for receiving heat generated by combustion of gas in the combustor and exchanging heat with water in the straight pipe, cold water enters the flat-plate-type water pipeline from the hot water outlet after heat exchange, and the flat-plate-type water pipeline exchanges heat with the surface of the shell 1.
The flat water line for heat recovery comprises a flat pipe 5, the flat pipe 5 being arranged in close proximity to the outer shell of the housing 1 of the flue gas section 12.
Further, the cross section of the flat pipe 5 is rectangular, the length-width ratio can be determined according to actual conditions, the adjustment is carried out by combining the conditions such as actual internal space requirements and the like, and the flat pipe 5 is in close contact with the outer wall of the shell 1 with large area to carry out heat exchange.
Preferably, as shown in fig. 1, the flat pipe 5 comprises two parts, which are respectively disposed on the opposite outer walls of the shell 1 of the flue gas section 12, and the two flat pipes 5 are respectively in close contact with the outer walls of the shell 1 of the flue gas section 12. Through setting up flat pipe 5, cover it on the outer wall of casing 1, avoid the air direct with the heat transfer of high temperature casing 1 to flat pipe 5 is big with casing 1's area of contact, has promoted the heat exchange efficiency of flat pipe 5 with casing 1 on the one hand greatly, and on the other hand reduces the temperature rise of gas heater shell by a wide margin, improves gas heater's life.
As shown in fig. 2, a water inlet 51 and a water outlet 53 are respectively arranged on two side walls of the flat pipes 5, and the water inlet 51 and the water outlet 53 of two flat pipes 5 on the same side wall are communicated through a connecting pipe 4. The water inlet 51 of one of the flat pipes 5 is communicated with the hot water outlet through the heat exchange pipe 2, and the water outlet 53 of the flat pipe 5 is communicated with the water outlet pipe 7.
Further, in order to improve the fluid circulation effect inside the flat tube 5, as shown in fig. 3, the end of the connection pipe 4 connected to the water inlet 51 of the flat tube 5 is extended into the flat tube 5.
Further, in order to further improve the circulation effect inside the flat duct 5, as shown in fig. 4, a plurality of partition plates 52 are provided inside the flat duct 5 from top to bottom, and the flat duct 5 is divided into a plurality of temperature zones from top to bottom by the partition plates 52. Preferably, the partition plate 52 is disposed parallel to the water flow direction, and the side walls of the flat pipe 5 at both ends of the partition plate 52 are respectively provided with a water inlet 51 and a water outlet 53.
When the water is cut off, the gas water heater is dry-burned, and the gas water heater is damaged. In order to improve the condition, the water inlet pipe 6 and the connecting pipe 4 are communicated through the section of the thin pipe 8, when the water heater is normally used, a part of cold water is mixed into the hot water pipe, the cold water has no influence on the outlet water temperature of the gas water heater, but the temperature rise of the gas water heater caused by water cut-off can be obviously improved.
A gas water heater comprises a heat exchanger, wherein the heat exchanger is the heat exchanger for the gas water heater.
The surface of the heat exchanger adopts a flat pipe 5 connected with a circular pipe type pipe, the flat pipe 5 is in close contact with a heat exchanger box body, the outside of the whole box body can be in contact with the flat pipe 5, an inlet of an external pipe is connected with a water inlet 51, an outlet of the external pipe is an inlet of a pipe embedded in the heat exchange fins 3 at the upper part of the heat exchanger, the fins are vertically placed in the heat exchanger, so that flue gas is discharged, and a water pipe penetrates through the fins. The heat exchanger has high heat exchange efficiency and improves the performance of the whole machine. The temperature rise on the surface of the gas water heater is less, and the user experience is improved. The applicable temperature of heat exchanger that improves avoids damaging, and the complete machine performance is still outstanding under the high temperature condition in time, makes the adjustable range of complete machine have had bigger improvement. Through set up one section tubule 8 between hot water pipeline and cold water pipeline and make both intercommunications, during the use, have a small amount of cold water to mix into hot water pipe kind for improve the temperature rise on heat exchanger surface when taking place emergency such as cutting off water, play the guard action to heat exchanger.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.
Claims (11)
1. The utility model provides a heat exchanger that gas heater was used, its characterized in that, includes casing (1), casing (1) encloses into the flue gas passageway that has flue gas section (12) and heat transfer section (11), the inside snakelike heat transfer return circuit that sets up of flue gas passageway of heat transfer section (11), heat transfer return circuit one end and inlet tube (6) intercommunication, the heat transfer return circuit other end is through being used for heat recovery's flat water pipeline and outlet pipe (7) intercommunication, the water pipeline sets up on casing (1) outer wall of flue gas section (12), the end of intaking of water pipeline pass through the pipeline with the play water end in heat transfer water route links to each other, the play water end of water pipeline with outlet pipe (7) link to each other.
2. The heat exchanger for the gas water heater according to claim 1, wherein the heat exchange loop comprises a plurality of straight pipes, the straight pipes cross the flue gas channel of the heat exchange section (11), the heat exchange fins (3) are sequentially overlapped and sleeved on the straight pipes, and the ends of the straight pipes respectively penetrate through the side wall of the shell (1) and are connected into the snakelike heat exchange loop through the heat exchange pipes (2).
3. Heat exchanger for a gas water heater according to claim 1, characterized in that the water line comprises a flat pipe (5), the flat pipe (5) being arranged against the outer wall of the shell (1) of the flue gas section (12).
4. The heat exchanger for a gas water heater according to claim 3, wherein the cross-section of the flat tube (5) is rectangular, and the flat tube (5) is in close contact with the outer wall of the housing (1) having a large area to exchange heat.
5. Heat exchanger for a gas water heater according to claim 3, characterized in that said flat tube (5) comprises two parts, respectively arranged on opposite outer walls of said flue gas section (12) housing (1), said two flat tubes (5) being in close contact with the outer walls of said flue gas section (12) housing (1), respectively.
6. The heat exchanger for a gas water heater according to claim 5, wherein the two side walls of the flat pipes (5) are respectively provided with a water inlet (51) and a water outlet (53), and the water inlets (51) and the water outlets (53) on the side walls of the two flat pipes (5) at the same side are respectively communicated through the connecting pipe (4).
7. Heat exchanger for a gas water heater according to claim 6, characterized in that the end of the connecting pipe (4) connected to the inlet (51) of the plate pipe (5) protrudes inside the plate pipe (5).
8. The heat exchanger for a gas water heater according to claim 6, wherein a plurality of partitions (52) are provided inside the flat tube (5) from top to bottom, and the flat tube (5) is divided into a plurality of temperature zones from top to bottom by the partitions (52).
9. The heat exchanger for a gas water heater according to claim 8, wherein the partition plate (52) is disposed in parallel with a water flow direction, and a water inlet (51) and a water outlet (53) are respectively provided on the side walls of the flat tube (5) at both ends of the partition plate (52).
10. Heat exchanger for a gas water heater according to claim 6, characterized in that between the inlet pipe (6) and the connecting pipe (4) there is a section of thin pipe (8) communicating the two.
11. A gas water heater comprising a heat exchanger, wherein the heat exchanger is a heat exchanger for a gas water heater as claimed in any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920794305.2U CN210014566U (en) | 2019-05-29 | 2019-05-29 | Heat exchanger for gas water heater and gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920794305.2U CN210014566U (en) | 2019-05-29 | 2019-05-29 | Heat exchanger for gas water heater and gas water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210014566U true CN210014566U (en) | 2020-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920794305.2U Active CN210014566U (en) | 2019-05-29 | 2019-05-29 | Heat exchanger for gas water heater and gas water heater |
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| Country | Link |
|---|---|
| CN (1) | CN210014566U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113776736A (en) * | 2021-07-30 | 2021-12-10 | 嘉兴石化有限公司 | Equipment leak detection system |
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2019
- 2019-05-29 CN CN201920794305.2U patent/CN210014566U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113776736A (en) * | 2021-07-30 | 2021-12-10 | 嘉兴石化有限公司 | Equipment leak detection system |
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