CN215929611U - A gas water heater energy-saving chimney - Google Patents
A gas water heater energy-saving chimney Download PDFInfo
- Publication number
- CN215929611U CN215929611U CN202121339924.6U CN202121339924U CN215929611U CN 215929611 U CN215929611 U CN 215929611U CN 202121339924 U CN202121339924 U CN 202121339924U CN 215929611 U CN215929611 U CN 215929611U
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- Prior art keywords
- water heater
- pipeline
- energy
- water
- heat exchange
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 75
- 239000000779 smoke Substances 0.000 claims abstract description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 17
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 10
- 239000003546 flue gas Substances 0.000 abstract description 10
- 239000002918 waste heat Substances 0.000 abstract description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 4
- 239000003345 natural gas Substances 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract 1
- 238000011084 recovery Methods 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Classifications
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides an energy-saving chimney of a gas water heater, which comprises an outer pipeline, wherein fixed end pieces are respectively arranged at the two ends of the outer pipeline, a heat exchange cavity is formed between each end piece and the pipe wall of the outer pipeline, and an inner pipeline is arranged in each heat exchange cavity; the lower part of the outer pipe wall of the heat exchange cavity close to the two ends is provided with a water inlet, and the upper part is provided with a water outlet; the end sheet is provided with a through hole for the inlet and outlet of the smoke corresponding to the inner pipeline, and the inner pipeline is fixedly and tightly connected with the through hole; the water inlet is connected with a water inlet of a water heater, and the water outlet is connected with a heat exchanger of the water heater; the utility model can increase the temperature of the water in the heat exchange cavity by recycling the high-temperature waste heat in the flue gas of the gas water heater, and the water flows back to the water heater, thereby improving the utilization rate of the natural gas.
Description
Technical Field
The utility model belongs to the technical field of gas water heaters, and particularly relates to an energy-saving chimney of a gas water heater.
Background
Energy conservation and emission reduction are development directions advocated by the state, and products with less energy consumption are a direction of future development; the gas water heater is a common water heater, at present, chimneys of the gas water heaters on the market are common chimneys only providing a smoke exhaust function, high-temperature waste gas in the chimneys is directly exhausted into the atmosphere, and waste heat is not fully utilized, so that heat energy waste is caused.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide the energy-saving chimney of the gas water heater, which realizes the heat recovery of high-temperature waste gas of the water heater and improves the utilization rate of gas.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an energy-saving chimney of a gas water heater comprises an outer pipeline, wherein fixed end pieces are respectively arranged at the two ends of the outer pipeline, a heat exchange cavity is formed between each end piece and the pipe wall of the outer pipeline, and an inner pipeline is arranged in each heat exchange cavity;
the lower part of the outer pipe wall of the heat exchange cavity close to the two ends is provided with a water inlet, and the upper part is provided with a water outlet;
the end sheet is provided with a through hole for the flue gas to enter and exit corresponding to the inner pipeline, and the inner pipeline is fixedly and tightly connected with the through hole.
The utility model also has the following technical characteristics:
preferably, the water inlet is connected with a water inlet of a water heater, and the water outlet is connected with a heat exchanger of the water heater.
One end of the inner pipeline is connected with the smoke inlet, and the other end of the inner pipeline is communicated with the atmosphere.
Preferably, the inner pipelines are arranged in parallel, and the upper ends and the lower ends of the inner pipelines are respectively fixedly connected with the corresponding through holes on the end sheet.
Further, the inner pipeline is a corrugated pipe.
Preferably, both ends of the inner pipeline extend to the outside of the end plate, and the inner pipeline is fixedly connected with the end plate through a pipe thread and a screw cap which are arranged on the outside.
The outer pipeline is made of stainless steel and has a wall thickness of about 1.00 mm.
Compared with the prior art, the utility model has the following technical effects:
the utility model comprises an outer pipeline, wherein an inner pipeline is arranged in the outer pipeline; high-temperature flue gas discharged by the water heater enters the inner pipeline to exchange heat with cold water flowing through the surface of the inner pipeline, flue gas waste heat is recovered, warm water absorbing the flue gas waste heat enters the water heater again, the high-temperature waste heat in the flue gas of the gas water heater is recycled, so that the temperature of the water in the heat exchange cavity is increased and flows back to the water heater, the temperature to be heated by the water heater is reduced, the utilization rate of natural gas can be improved, the waste heat is effectively facilitated, and energy waste is avoided;
the inner pipe is a corrugated pipe, and a plurality of corrugated inner pipelines are designed to increase the heat exchange surface of the flue gas and water, so that the heat exchange efficiency is improved, and the full and efficient recovery of the heat of the flue gas is realized;
the inner pipelines and the end plates are fixedly connected through the pipe threads and the screw caps, meanwhile, the end-to-end connection of the inner pipelines of the chimney is facilitated, the chimney is suitable for different installation distances, and the chimney has good tightness.
Drawings
FIG. 1 is a schematic view of the overall structure of an energy-saving chimney of a gas water heater;
FIG. 2 is a front view of an energy saving chimney of a gas water heater;
FIG. 3 is a left side view of the energy saving chimney of the gas water heater;
FIG. 4 is a cross-sectional view of an energy saving chimney of a gas water heater;
the meaning of each reference number in the figure is 1-outer pipeline, 2-end plate, 3-heat exchange cavity, 4-inner pipeline, 5-water inlet, 6-water outlet, 7-through hole, 8-pipe thread and 9-screw cap.
Detailed Description
The present invention will be explained in further detail with reference to examples.
As shown in fig. 1 to 4, the energy-saving chimney of a gas water heater provided in this embodiment includes an outer pipe 1, fixed end pieces 2 are respectively disposed at two ends of the outer pipe 1, a heat exchange cavity 3 is formed between the end pieces 2 and the pipe wall of the outer pipe 1, and an inner pipe 4 is disposed in the heat exchange cavity 3;
the lower part of the outer pipe wall of the heat exchange cavity 3 close to the two ends is provided with a water inlet 5, and the upper part is provided with a water outlet 6;
the end plate 2 is provided with a through hole 7 for the inlet and outlet of the smoke corresponding to the inner pipeline 4, and the inner pipeline 4 is fixedly and tightly connected with the through hole 7.
The water inlet 5 is connected with the water inlet of the water heater, the water outlet 6 is connected with the heat exchanger of the water heater, and water preheated by the chimney heat exchange cavity 3 enters the heat exchanger of the water heater to realize temperature control and output.
One end of the inner pipeline 4 is connected with a smoke inlet, and the other end is communicated with the atmosphere.
The inner pipelines 4 are arranged in parallel, and the upper ends and the lower ends of the inner pipelines 4 are fixedly connected with the corresponding through holes 7 on the end plates 2 respectively, so that the heat exchange efficiency is improved.
The inner pipeline 4 is a corrugated pipe, so that the heat exchange efficiency is further improved.
The two ends of the inner pipeline 4 extend to the outside of the end plate 2, and the inner pipeline 4 is fixedly connected with the end plate 2 through a pipe thread 8 and a screw cap 9 which are arranged on the outside.
The outer pipe 1 is made of stainless steel and has a wall thickness of about 1.00 mm.
When the energy-saving chimney of the gas water heater is used, cold water at the water inlet of the water heater is introduced into the heat exchange cavity 3 of the chimney from the water inlet 5, when the water heater operates, generated flue gas passes through the inner pipeline 4 in the heat exchange cavity 3 to preheat water in the heat exchange cavity 3, the preheated water flows into a heat exchanger of the water heater from the water outlet 6, and the recovery of high-temperature flue gas waste heat is realized.
Claims (7)
1. An energy-saving chimney of a gas water heater is characterized by comprising an outer pipeline (1), wherein fixed end pieces (2) are respectively arranged at the two ends, close to the outer pipeline (1), of the outer pipeline (1), a heat exchange cavity (3) is formed between each end piece (2) and the pipe wall of the outer pipeline (1), and an inner pipeline (4) is arranged in each heat exchange cavity (3);
the lower part of the outer pipe wall of the heat exchange cavity (3) close to the two ends is provided with a water inlet (5), and the upper part is provided with a water outlet (6);
the end sheet (2) is provided with a through hole (7) corresponding to the inner pipeline (4) for the inlet and outlet of smoke, and the inner pipeline (4) is fixedly and tightly connected with the through hole (7).
2. The energy-saving chimney for gas water heater according to claim 1, characterized in that said inlet (5) is connected to the water heater inlet and said outlet (6) is connected to the heat exchanger of the water heater.
3. The energy-saving chimney of a gas water heater as claimed in claim 1, characterized in that one end of the inner pipe (4) is connected to the smoke inlet, and the other end is open to the atmosphere.
4. The energy-saving chimney of the gas water heater according to claim 1, characterized in that a plurality of inner pipes (4) are arranged in parallel, and the upper and lower ends of the plurality of inner pipes (4) are respectively and fixedly connected with a plurality of corresponding through holes (7) on the end plate (2).
5. The energy-saving chimney of a gas water heater according to claim 4, characterized in that the inner pipe (4) is a corrugated pipe.
6. The energy-saving chimney of the gas water heater according to claim 4, characterized in that, both ends of the inner pipe (4) extend to the outside of the end plate (2), and the inner pipe (4) is fixedly connected with the end plate (2) through the pipe thread (8) and the nut (9) arranged on the outside.
7. The energy-saving chimney for gas water heaters according to claim 1, characterized in that the outer pipe (1) is made of stainless steel and has a wall thickness of about 1.00 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121339924.6U CN215929611U (en) | 2021-06-16 | 2021-06-16 | A gas water heater energy-saving chimney |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121339924.6U CN215929611U (en) | 2021-06-16 | 2021-06-16 | A gas water heater energy-saving chimney |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215929611U true CN215929611U (en) | 2022-03-01 |
Family
ID=80403169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121339924.6U Active CN215929611U (en) | 2021-06-16 | 2021-06-16 | A gas water heater energy-saving chimney |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215929611U (en) |
-
2021
- 2021-06-16 CN CN202121339924.6U patent/CN215929611U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20241113 Address after: 230000 B-1015, wo Yuan Garden, 81 Ganquan Road, Shushan District, Hefei, Anhui. Patentee after: HEFEI MINGLONG ELECTRONIC TECHNOLOGY Co.,Ltd. Country or region after: China Address before: No.1 Xijing Road, Xi'an, Shaanxi 710123 Patentee before: XIJING University Country or region before: China |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20250208 Address after: No. 11, Row 3, Courtyard 1, Beiyuan Street, Tengzhou City, Zaozhuang City, Shandong Province, China 277500 Patentee after: Sun Li Country or region after: China Address before: 230000 B-1015, wo Yuan Garden, 81 Ganquan Road, Shushan District, Hefei, Anhui. Patentee before: HEFEI MINGLONG ELECTRONIC TECHNOLOGY Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right |