CN214949821U - Gas boiler system with flue gas waste heat recovery function - Google Patents
Gas boiler system with flue gas waste heat recovery function Download PDFInfo
- Publication number
- CN214949821U CN214949821U CN202121348554.2U CN202121348554U CN214949821U CN 214949821 U CN214949821 U CN 214949821U CN 202121348554 U CN202121348554 U CN 202121348554U CN 214949821 U CN214949821 U CN 214949821U
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- China
- Prior art keywords
- water
- heat exchanger
- pipeline
- heat
- flue gas
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 239000003546 flue gas Substances 0.000 title claims abstract description 43
- 239000007789 gas Substances 0.000 title claims abstract description 42
- 239000002918 waste heat Substances 0.000 title claims abstract description 22
- 238000011084 recovery Methods 0.000 title abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 110
- 238000005192 partition Methods 0.000 claims description 6
- 239000000779 smoke Substances 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical group N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Abstract
The utility model discloses a gas boiler system with flue gas waste heat recovery function, including combustor, gas boiler, heat pipe formula heat exchanger and the exhaust pipe that connects gradually, gas boiler and heat pipe formula heat exchanger still are connected with the plate heat exchanger of user's side through the pipe network unit. The system can recover the waste heat in the flue gas, thereby improving the heat efficiency of the gas boiler, saving the gas consumption and achieving the purposes of energy conservation and emission reduction.
Description
Technical Field
The utility model belongs to the technical field of waste heat recovery, concretely relates to gas boiler system with flue gas waste heat recovery function.
Background
The method is a strategic decision made by the center after deeply researching the history of political economy and social development at home and abroad according to the social and economic development conditions of China, and is a scientific plan provided for the future social development mode of China. Energy conservation is an important component of the resource-saving society, the operation energy consumption of buildings is about one third of the energy consumption of commodities in the whole society, and the energy-saving building is an energy consumption field with the largest energy-saving potential. The waste heat of the flue gas belongs to low-grade renewable energy. The exhaust gas temperature of the existing gas-fired boiler is 120-160 ℃. High-temperature flue gas is directly discharged to the atmosphere, which not only causes great influence on the environment, but also causes great waste of heat. The flue gas waste heat energy-saving device is used for recycling the heat of high-temperature flue gas, the purpose of gradient utilization of energy can be achieved, the problem of resource shortage can be effectively relieved, and meanwhile the purpose of improving the efficiency of a heating system can be achieved. In the prior art, the conventional recovery device is adopted for recovering the waste heat of the flue gas of the gas-fired boiler, so that the equipment volume is large, the occupied area is unchanged, the system resistance is large, and the energy consumption is large on the premise of ensuring the recovery efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a gas boiler system with flue gas waste heat recovery function puts the problem that contains the waste heat and not effectively recycle in the gas boiler flue gas that has solved existence among the prior art.
The utility model discloses the technical scheme who adopts is, a gas boiler system with flue gas waste heat recovery function, including the combustor, gas boiler, heat pipe formula heat exchanger and the exhaust pipe that connect gradually, gas boiler and heat pipe formula heat exchanger still are connected with the plate heat exchanger of user side through the pipe network unit.
The utility model is also characterized in that,
the heat pipe type heat exchanger comprises a shell and a base which are sequentially arranged from top to bottom, wherein a partition board is horizontally arranged in the shell, and a plurality of heat pipes which are vertically arranged are also arranged in the shell, the heat pipes penetrate through the partition board, a flue gas inlet and a flue gas outlet are respectively arranged on two opposite side walls of the shell, the flue gas inlet is connected with a flue gas outlet of the gas boiler through a flange, and the flue gas outlet is communicated with a smoke exhaust pipeline; and a water side outlet and a water side inlet are formed in the top wall of the shell and are connected with the pipe network unit.
The heat pipe is an aluminum pipe with 24 spiral grooves on the inner wall and fins B on the outer wall.
The pipe network unit comprises a water supply pipeline, a heat exchanger water outlet pipeline, a heat exchanger water inlet pipeline and a water return pipeline; one end of the water supply pipeline is connected with a water outlet of the gas-fired boiler, and the other end of the water supply pipeline is connected with a water inlet of the plate heat exchanger on the user side; one end of the heat exchanger water outlet pipeline is connected with the water side outlet, and the other end of the heat exchanger water outlet pipeline is communicated with the water supply pipeline; one end of a water inlet pipeline of the heat exchanger is connected with a water side inlet, and the other end of the water inlet pipeline of the heat exchanger is connected with a water outlet of the plate heat exchanger on the user side; one end of the water return pipeline is connected with a water inlet of the gas-fired boiler, and the other end of the water return pipeline is communicated with a water inlet pipeline of the heat exchanger; a water pump is arranged on the water outlet pipeline of the heat exchanger.
And valves are arranged on the water supply pipeline, the heat exchanger water inlet pipeline and the water return pipeline.
The utility model has the advantages that: the system can recover the waste heat in the flue gas, thereby improving the heat efficiency of the gas boiler, saving the gas consumption and achieving the purposes of energy conservation and emission reduction.
Drawings
Fig. 1 is a schematic structural diagram of a gas boiler system with a flue gas waste heat recovery function according to the present invention;
FIG. 2 is a schematic structural view of a heat pipe heat exchanger in a gas boiler system with a flue gas waste heat recovery function of the present invention;
fig. 3 is a layout diagram of heat pipes in a gas boiler system with a flue gas waste heat recovery function.
In the figure, 1, a burner, 2, a gas boiler, 3, a heat pipe type heat exchanger, 4, a plate type heat exchanger, 5, a water supply pipeline, 6, a smoke exhaust pipeline, 7, a heat exchanger water outlet pipeline, 8, a heat exchanger water inlet pipeline, 9, a water return pipeline, 10, a temperature sensor, 11, a valve and 12, a water pump are arranged;
2-1, a water inlet and 2-2, a water outlet;
3-1 parts of heat pipe, 3-2 parts of base, 3-3 parts of shell, 3-4 parts of flange, 3-5 parts of flue gas inlet, 3-6 parts of flue gas outlet, 3-7 parts of water side outlet and 3-8 parts of water side inlet;
A. base tube, B.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model relates to a gas boiler system with flue gas waste heat recovery function, as shown in fig. 1-3, including combustor 1, gas boiler 2, heat pipe formula heat exchanger 3 and the exhaust pipe 6 that connects gradually, gas boiler 2 and heat pipe formula heat exchanger 3 still are connected with the plate heat exchanger 4 of user's side through the pipe network unit.
The heat pipe type heat exchanger 3 comprises a shell 3-3 and a base 3-2 which are sequentially arranged from top to bottom, a horizontal partition plate is arranged in the shell 3-3, a plurality of heat pipes 3-1 which are vertically arranged are also arranged, the plurality of heat pipes 3-1 penetrate through the partition plate, a flue gas inlet 3-5 and a flue gas outlet 3-6 are respectively arranged on two opposite side walls of the shell 3-3, the flue gas inlet 3-5 is connected with a flue gas outlet of the gas boiler 2 through a flange 3-4, and the flue gas outlet 3-6 is communicated with a smoke exhaust pipeline 6; the top wall of the shell 3-3 is provided with a water side outlet 3-7 and a water side inlet 3-8, and the water side outlet 3-7 and the water side inlet 3-8 are connected with a pipe network unit.
The heat pipe type heat exchanger 3 is a gravity heat pipe type heat exchanger, adopts a countercurrent flow heat exchange mode, and connects a boiler smoke outlet with the smoke side of the heat exchanger by adopting a wind pipe flange, so that sealing is ensured and no air leakage is caused; the water side is connected with a primary side water supply and return pipeline of a heat supply system in a welding mode.
The heat pipe 3-1 is an aluminum pipe with 24 spiral grooves on the inner wall and fins B on the outer wall, and the groove depth is 1 mm. The heat pipes 3-1 adopt regular triangle fork arrangement pipes and four rows of pipe arrangement pipes, the pipe spacing is 52mm, each row is 54 heat pipes with 14 or 13, the length of the heat pipes is 1500mm, as shown in figure 3, the transverse pipe row spacing is adopted as S152mm, longitudinal spacing S245.03 mm. An aluminum pipe is selected as a base pipe A to produce and process the heat pipe, and the fins B are directly formed by cutting and extrusion. Base tube A external diameter R1Is 24mm, and the outer diameter R of the fin B2The thickness of the wall of the heat pipe is 2mm, the height of the fin B is 10mm, the fin B is made of hydrophilic aluminum foil, and the working medium in the heat pipe is ammonia.
The pipe network unit comprises a water supply pipeline 5, a heat exchanger water outlet pipeline 7, a heat exchanger water inlet pipeline 8 and a water return pipeline 9; one end of a water supply pipeline 5 is connected with a water outlet 2-2 of the gas-fired boiler, and the other end of the water supply pipeline 5 is connected with a water inlet of a plate-type heat exchanger 4 at a user side; one end of a heat exchanger water outlet pipeline 7 is connected with the water side outlet 3-7, and the other end of the heat exchanger water outlet pipeline 7 is communicated with the water supply pipeline 5; one end of a heat exchanger water inlet pipeline 8 is connected with the water side inlets 3-8, and the other end of the heat exchanger water inlet pipeline 8 is connected with a water outlet of the plate type heat exchanger 4 on the user side; one end of a water return pipeline 9 is connected with a water inlet 2-2 of the gas boiler, and the other end of the water return pipeline 9 is communicated with a water inlet pipeline 8 of the heat exchanger; a water pump 12 is arranged on the heat exchanger water outlet pipeline 7.
The utility model discloses gas boiler system's theory of operation does:
2 burning of gas boiler adds after the hot water by water supply pipe 5 for plate heat exchanger 4 heat supply, the high temperature flue gas that gas boiler 2 produced gets into behind heat pipe heat exchanger 3 by flue gas inlet 3-5 and is cooled off by exhaust pipe 6 and discharge, heat pipe heat exchanger 3 absorbs the heating behind the high temperature flue gas heat and flows into heat pipe heat exchanger 3's heat supply side return water by heat exchanger inlet pipe 8, the return water through the heating passes through heat exchanger outlet pipe 7 and flows into water supply pipe 5, supply heat to the user side, hot water flows into gas boiler 2 and heat pipe heat exchanger 3 respectively through return water pipe 9 and return water pipe 8 after 4 heat exchanges of plate heat exchanger and is reheated, so constitute a circulation.
Claims (5)
1. The utility model provides a gas boiler system with waste heat from flue gas retrieves function, its characterized in that, including combustor (1), gas boiler (2), heat pipe formula heat exchanger (3) and exhaust pipe (6) that connect gradually, gas boiler (2) and heat pipe formula heat exchanger (3) still are connected with plate heat exchanger (4) of user side through the pipe network unit.
2. The gas boiler system with the function of recovering the waste heat of the flue gas as claimed in claim 1, wherein the heat pipe type heat exchanger (3) comprises a shell (3-3) and a base (3-2) which are sequentially arranged from top to bottom, a partition plate is horizontally arranged in the shell (3-3), a plurality of heat pipes (3-1) which are vertically arranged are also arranged, the plurality of heat pipes (3-1) penetrate through the partition plate, a flue gas inlet (3-5) and a flue gas outlet (3-6) are respectively arranged on two opposite side walls of the shell (3-3), the flue gas inlet (3-5) is connected with a flue gas outlet of the gas boiler (2) through a flange (3-4), and the flue gas outlet (3-6) is communicated with a smoke exhaust pipeline (6); the top wall of the shell (3-3) is provided with a water side outlet (3-7) and a water side inlet (3-8), and the water side outlet (3-7) and the water side inlet (3-8) are connected with the pipe network unit.
3. The gas boiler system with the function of recovering the waste heat of flue gas as recited in claim 2, wherein the heat pipe (3-1) is an aluminum pipe having 24 spiral grooves on the inner wall and fins (B) on the outer wall.
4. The gas boiler system with the function of recovering the waste heat of the flue gas as recited in claim 2, wherein the pipe network unit comprises a water supply pipeline (5), a heat exchanger water outlet pipeline (7), a heat exchanger water inlet pipeline (8) and a water return pipeline (9); one end of a water supply pipeline (5) is connected with a water outlet (2-2) of the gas boiler, and the other end of the water supply pipeline (5) is connected with a water inlet of the plate type heat exchanger (4) at the user side; one end of a heat exchanger water outlet pipeline (7) is connected with the water side outlet (3-7), and the other end of the heat exchanger water outlet pipeline (7) is communicated with a water supply pipeline (5); one end of a heat exchanger water inlet pipeline (8) is connected with a water side inlet (3-8), and the other end of the heat exchanger water inlet pipeline (8) is connected with a water outlet of a plate type heat exchanger (4) on a user side; one end of a water return pipeline (9) is connected with a water inlet (2-1) of the gas boiler, and the other end of the water return pipeline (9) is communicated with a water inlet pipeline (8) of the heat exchanger; a water pump (12) is arranged on the heat exchanger water outlet pipeline (7).
5. The gas boiler system with the function of recovering the waste heat of flue gas as recited in claim 4, wherein the water supply pipeline (5), the heat exchanger water inlet pipeline (8) and the water return pipeline (9) are all provided with valves (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121348554.2U CN214949821U (en) | 2021-06-17 | 2021-06-17 | Gas boiler system with flue gas waste heat recovery function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121348554.2U CN214949821U (en) | 2021-06-17 | 2021-06-17 | Gas boiler system with flue gas waste heat recovery function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214949821U true CN214949821U (en) | 2021-11-30 |
Family
ID=79051990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121348554.2U Expired - Fee Related CN214949821U (en) | 2021-06-17 | 2021-06-17 | Gas boiler system with flue gas waste heat recovery function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214949821U (en) |
-
2021
- 2021-06-17 CN CN202121348554.2U patent/CN214949821U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211130 |