CN102032550B - Device for preheating boiler water by flue gas from boiler chimney - Google Patents
Device for preheating boiler water by flue gas from boiler chimney Download PDFInfo
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- CN102032550B CN102032550B CN 201110002836 CN201110002836A CN102032550B CN 102032550 B CN102032550 B CN 102032550B CN 201110002836 CN201110002836 CN 201110002836 CN 201110002836 A CN201110002836 A CN 201110002836A CN 102032550 B CN102032550 B CN 102032550B
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- water
- boiler
- chimney
- flue gas
- preheating
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Abstract
The invention relates to a device for preheating boiler water by flue gas from a boiler chimney, which comprises a flue gas heating part and a heat preservation hot-water storage tank, wherein the flue gas heating part comprises a chimney; a smoke venting channel of a boiler extends into the chimney; a water liner is arranged in the chimney; a water injection opening is formed on the upper part of the inner wall of the water liner; one end of a water inlet pipe extends into the water liner through the water injection opening, and the other end of the water inlet pipe is communicated with a water tank; the water liner is communicated with the heat preservation hot-water storage tank by a first heat preservation pipeline; and the heat preservation hot-water storage tank is connected with a water injection pipe of the boiler by a second heat preservation pipeline. In the device for preheating the boiler water by the flue gas from the boiler chimney, cold water is preheated by high-temperature tail gas generated by combusting fuel, so compared with the ordinary boiler, the boiler with the device better saves the fuel under the condition of heating the water in the same amount and to specific temperature. The device for preheating the boiler water by the flue gas from the boiler chimney has a simple structure, is convenient to operate, saves the boiler fuel, reduces the emission of sulfur dioxide and smoke dust, saves energy, and is environmentally-friendly, economic and practical.
Description
Technical field
The present invention relates to a kind of fluid heater, particularly relate to a kind of device for preheating boiler water by flue gas from boiler chimney.
Background technology
Industrial Boiler structure on the market is various, but substantially all is the heating water tank that makes water at low temperature first directly enter boiler, then it is carried out high-temperature heating, obtain high-temperature water after, it is imported uses pipeline.And temperature up to 600 ℃～700 ℃ boiler fired coal tail gas usually do not add utilization and just is discharged in the air, so not only wasted heat energy, and aggravated air pollution.
Summary of the invention
The technical problem that the present invention solves provides a kind of device for preheating boiler water by flue gas from boiler chimney of simple in structure, economical environment-protective.
Device for preheating boiler water by flue gas from boiler chimney of the present invention, comprise flue gas part and insulation hot water storage tank, described flue gas partly comprises chimney, it is inner that the discharge flue of boiler stretches into described chimney, described chimney inside is provided with the water courage, leave the space between described water courage and the described inner wall of stack, the upper inside wall of described water courage has water filling port, one end of water inlet pipe puts in the described water courage by described water filling port, the other end of described water inlet pipe is communicated with the pond, described water Hymecromone is crossed the first utilidor and is communicated with described insulation hot water storage tank, and described insulation hot water storage tank connects the water injection pipe of boiler by the second utilidor.
Device for preheating boiler water by flue gas from boiler chimney of the present invention, wherein, the upper inside wall of described water courage has overfall, and an end of overflow pipe puts in the described water courage by described overfall, and the other end of described overflow pipe is communicated with described pond.
Device for preheating boiler water by flue gas from boiler chimney of the present invention, the high-temperature tail gas that utilizes fuel combustion to produce carries out preheating to cold water, like this at the same water gaging of heating to the condition of set point of temperature, the boiler that device for preheating boiler water by flue gas from boiler chimney of the present invention is installed is obviously than plain cylindrical furnace fuel saving more.Device for preheating boiler water by flue gas from boiler chimney of the present invention is simple in structure, and is easy to operate, saves boiler oil, reduces sulfur dioxide and soot emissions, energy-saving and environmental protection, economical and practical.
Description of drawings
Fig. 1 is the structural representation of device for preheating boiler water by flue gas from boiler chimney of the present invention;
Fig. 2 is the A-A cutaway view of the chimney among Fig. 1.
The specific embodiment
As shown in Figure 1 and Figure 2, device for preheating boiler water by flue gas from boiler chimney of the present invention comprises flue gas part 1 and insulation hot water storage tank 2.Flue gas part 1 comprises chimney 70 cylindraceous, and the discharge flue of boiler 10 stretches into chimney 70 inside.Chimney 70 inside are provided with cross section and are the water courage 72 of annular, and chimney 70 outer walls are coated with heat-insulation layer 75.Leave the space between water courage 72 and chimney 70 inwalls, forming the level cross-sectionn is the first flue 72 of annular.The water courage 72 of annular is around forming the second flue 73.
One end of overflow pipe 83 puts in the water courage 72 by overfall 81, and the other end of overflow pipe 83 is communicated with pond 90.
One end of water inlet pipe 91 puts in the water courage 72 by water filling port 82, and the other end of water inlet pipe 91 is communicated with pond 90, and installation high-voltage water pump 93 on the water inlet pipe 91 is installed the first valve 97 on the official road between high-pressure hydraulic pump 93 and the pond 90.Water courage 72 is communicated with insulation hot water storage tank 2 by the first utilidor 87.The 4th valve 89 is installed on the first utilidor 87.
Water injection pipe 3 usefulness second utilidor 41 of insulation hot water storage tank 2 and boiler 10 is connected by threeway.For effectively supplying water to water injection pipe 3, on the second utilidor 41 heatproof high-pressure hydraulic pump 22 is installed, on the pipeline between heatproof high-pressure hydraulic pump 22 and the insulation hot water storage tank 2 the second valve 33 is installed, on the pipeline between heatproof high-pressure hydraulic pump 22 and the water injection pipe 3 check-valves 35 is installed, check-valves 35 guarantees that water can only flow to water injection pipe 3 by insulation hot water storage tank 2.The 3rd valve 34 is installed on the pipeline between check-valves 35 and the water inlet pipe 3.
Device for preheating boiler water by flue gas from boiler chimney using method of the present invention is: first the pond is piled, in high-pressure hydraulic pump injected water courage, when water flows out from spillway hole, stopped water filling.When utilizing fume afterheat to make the interior water temperature of water courage be elevated to 50 ℃-90 ℃, open Draw off valve, flow into the insulation hot water storage tank, when boiler needs water filling, with the heatproof high-pressure hydraulic pump hot water is injected boiler.
Device for preheating boiler water by flue gas from boiler chimney of the present invention, the high-temperature tail gas that utilizes fuel combustion to produce carries out preheating to cold water, is heating same water gaging to the condition of set point of temperature like this, and the present invention is simple in structure, easy to operate in installation.Save boiler oil, reduce sulfur dioxide and soot emissions, energy-saving and environmental protection, economical and practical.The boiler of preheating device is obviously than plain cylindrical furnace fuel saving more.
The above embodiment only is that preferred embodiment of the present invention is described; be not that scope of the present invention is limited; design under the prerequisite of spirit not breaking away from the present invention; various distortion and improvement that those of ordinary skills make technical scheme of the present invention all should fall in the definite protection domain of claims of the present invention.
Claims (7)
1. device for preheating boiler water by flue gas from boiler chimney, it is characterized in that, comprise flue gas part (1) and insulation hot water storage tank (2), described flue gas part (1) comprises chimney (70), the discharge flue of boiler stretches into described chimney (70) inside, described chimney (70) inside is provided with water courage (72), leave the space between described water courage (72) and described chimney (70) inwall, the upper inside wall of described water courage (72) has water filling port (82), one end of water inlet pipe (91) puts in the described water courage (72) by described water filling port (82), the other end of described water inlet pipe (91) is communicated with pond (90), described water courage (72) is communicated with described insulation hot water storage tank (2) by the first utilidor (87), described insulation hot water storage tank (2) connects the water injection pipe (3) of boiler by the second utilidor (41), the upper inside wall of described water courage (72) has overfall (81), one end of overflow pipe (83) puts in the described water courage (72) by described overfall (81), the other end of described overflow pipe (83) is communicated with described pond (90), thermometer probe (14) is installed on the inwall of described water courage (72), and described thermometer probe (14) is passed to the signal of telecommunication control system in control room.
2. device for preheating boiler water by flue gas from boiler chimney as claimed in claim 1, it is characterized in that, the upper installation high-voltage water pump (93) of described water inlet pipe (91) is installed the first valve (97) on the pipeline between described high-pressure hydraulic pump (93) and described pond (90).
3. device for preheating boiler water by flue gas from boiler chimney as claimed in claim 2 is characterized in that, the 4th valve (89) is installed on described the first utilidor (87).
4. device for preheating boiler water by flue gas from boiler chimney as claimed in claim 3 is characterized in that, heatproof high-pressure hydraulic pump (22) is installed on described the second utilidor (41).
5. device for preheating boiler water by flue gas from boiler chimney as claimed in claim 4 is characterized in that, on the pipeline between described heatproof high-pressure hydraulic pump (22) and the described insulation hot water storage tank (2) the second valve (33) is installed.
6. device for preheating boiler water by flue gas from boiler chimney as claimed in claim 5, it is characterized in that, on the pipeline between described heatproof high-pressure hydraulic pump (22) and the described water injection pipe (3) check-valves (35) is installed, described check-valves (35) guarantees that water can only flow to described water injection pipe (3) by described insulation hot water storage tank (2).
7. device for preheating boiler water by flue gas from boiler chimney as claimed in claim 6 is characterized in that, on the pipeline between described check-valves (35) and the described water injection pipe (3) the 3rd valve (34) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110002836 CN102032550B (en) | 2011-01-07 | 2011-01-07 | Device for preheating boiler water by flue gas from boiler chimney |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110002836 CN102032550B (en) | 2011-01-07 | 2011-01-07 | Device for preheating boiler water by flue gas from boiler chimney |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102032550A CN102032550A (en) | 2011-04-27 |
| CN102032550B true CN102032550B (en) | 2013-02-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110002836 Expired - Fee Related CN102032550B (en) | 2011-01-07 | 2011-01-07 | Device for preheating boiler water by flue gas from boiler chimney |
Country Status (1)
| Country | Link |
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| CN (1) | CN102032550B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105299606B (en) * | 2014-05-28 | 2020-02-04 | 郑西进 | Temperature difference water inlet waste heat circulation boiler |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2093962U (en) * | 1991-07-22 | 1992-01-22 | 赵谦 | Atmospheric hot-water boiler |
| CN2791495Y (en) * | 2004-12-27 | 2006-06-28 | 李树生 | Boiler chimney residual heat recovery device |
| CN2807003Y (en) * | 2005-05-31 | 2006-08-16 | 钱龙飞 | Boiler waste heat utilizing device |
| CN2821399Y (en) * | 2005-08-01 | 2006-09-27 | 侯佃伟 | Pre-heating device for steam boiler water supply |
| CN2876556Y (en) * | 2005-08-31 | 2007-03-07 | 周开根 | Efficient fast internal combustion boiler and transfer type waste heat recovering device |
| CN201053673Y (en) * | 2007-01-18 | 2008-04-30 | 于志永 | Steaming boiler constant pressure watering energy-saving device |
| CN201909305U (en) * | 2011-01-07 | 2011-07-27 | 张蕾 | Boiler chimney flue gas preheating boiler water feed device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1979051B (en) * | 2005-12-05 | 2010-10-27 | 深圳市安托山混凝土管桩有限公司 | Boiler smoke after-heat utilizing device |
-
2011
- 2011-01-07 CN CN 201110002836 patent/CN102032550B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2093962U (en) * | 1991-07-22 | 1992-01-22 | 赵谦 | Atmospheric hot-water boiler |
| CN2791495Y (en) * | 2004-12-27 | 2006-06-28 | 李树生 | Boiler chimney residual heat recovery device |
| CN2807003Y (en) * | 2005-05-31 | 2006-08-16 | 钱龙飞 | Boiler waste heat utilizing device |
| CN2821399Y (en) * | 2005-08-01 | 2006-09-27 | 侯佃伟 | Pre-heating device for steam boiler water supply |
| CN2876556Y (en) * | 2005-08-31 | 2007-03-07 | 周开根 | Efficient fast internal combustion boiler and transfer type waste heat recovering device |
| CN201053673Y (en) * | 2007-01-18 | 2008-04-30 | 于志永 | Steaming boiler constant pressure watering energy-saving device |
| CN201909305U (en) * | 2011-01-07 | 2011-07-27 | 张蕾 | Boiler chimney flue gas preheating boiler water feed device |
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| Publication number | Publication date |
|---|---|
| CN102032550A (en) | 2011-04-27 |
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Granted publication date: 20130206 Termination date: 20200107 |