CN2655116Y - Smoke condensing waste heat recovering device - Google Patents
Smoke condensing waste heat recovering device Download PDFInfo
- Publication number
- CN2655116Y CN2655116Y CN 200320121674 CN200320121674U CN2655116Y CN 2655116 Y CN2655116 Y CN 2655116Y CN 200320121674 CN200320121674 CN 200320121674 CN 200320121674 U CN200320121674 U CN 200320121674U CN 2655116 Y CN2655116 Y CN 2655116Y
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- CN
- China
- Prior art keywords
- flue
- heat exchanger
- flue gas
- condensing
- finned
- Prior art date
- 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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Abstract
The utility model relates to a smoke condensation exhaust heat recovery device, belonging to a heat equipment field. The utility model mainly comprises a condensing heat exchanger, a chimney, a flue and the auxiliary machine of the flue. The condensing heat exchanger adopts the finned tub structure, wherein the finned tube adopts aluminum, stainless steel or other anti-corrosion materials. The flue gas enters from the upper part of the heat exchanger; the finned tub cools the flue gas; part of the steam is condensed; the water supply in the finned tub is heated; and most of the harmful components in the flue gas are absorbed by the condensate. An electric butterfly valve and an induced draft fan are also arranged in the chimney flue to make the operation of the device safe, reliable and automatic. The utility model has the advantages of energy saving, improved thermal efficiency, reduced pollutant emission, and applicability to oil-faired water boilers, gas-faired hot water boilers and direct-fired absorption chillers.
Description
The utility model device relates to Thermal Equipment, is specifically related to be used for the flue gas condensing retracting device of oil-burning gas-fired boiler or direct combustion machine.
In recent years, the work of burning natural gas or light oil was all being carried out changing in order to solve the atmosphere polluting problem that coal-burning boiler brings in many cities.Hotel with good conditionsi in addition, restaurant, office building etc. all installed have cooling, three function direct combustion machines of heat supply, domestic hot-water supply, these direct combustion machines also all are fuel oil or combustion gas.When improving air quality, improving inhabitation, working environment, the economic problems of also having brought operating cost to increase considerably.
The fuel-firing gas-firing hot-water boiler and the direct combustion machine that are used for heating, general exhaust gas temperature all about 150 ℃, all surpasses 200 ℃ and the steam boiler that is used to produce is many.A large amount of waste heats have wasted.In addition, oil gas carburretion latent heat is than higher, differs about 10% as the high low heat value of natural gas, therefore more increased the necessity of these waste heat recoveries.In order to solve this type of problem, this paper has proposed a kind of flue gas condensing waste-heat recovery device, can reclaim unemployed sensible heat and latent heat in the flue gas to be used, and reaches the purpose of energy savings, minimizing noxious gas emission.
Occurred a kind of fume tube type flue gas to condense thermal energy retracting device in the market, this apparatus features is that flue gas passes through smoke pipe from bottom to top, and condensate liquid flows to from top to bottom under the gravity effect.The result is because the evaporation of drop forms the dirt layer on the tube wall, the time one is of a specified duration, and condenser lost efficacy because of heat transfer deterioration.
Chinese patent CN2444189 discloses a kind of flue gas to condense thermal energy retracting device.This device is provided with the deflection plate augmentation of heat transfer in the water side of shell, and does not take the augmentation of heat transfer measure in the lower tube side fume side of heat transfer coefficient, so the thermal efficiency is lower.
The purpose of this utility model provides a kind of exhaust gas temperature that can effectively reduce oil-burning gas-fired boiler or direct combustion machine, realize flue gas condensing, recovery waste heat, improve the thermal efficiency, reduce noxious gas emission, avoid the fouling of condensing heat exchanger fume side simultaneously, and heat exchange is strengthened, improve heat exchange efficiency, the flue gas condensing retracting device of high efficient and reliable and automatic operating for a long time.
Below in conjunction with accompanying drawing the utility model is described
Description of drawings
Among the figure:
1. oil-burning gas-fired boiler or direct combustion machine
2. burner
3. boiler outlet flue
4. electric butterfly valve
5. air-introduced machine
6. flue
7. finned tube
8. condensing heat exchanger cooling water inlet
9. condensing heat exchanger
10. condensing heat exchanger hot water outlet
As shown in the figure, the flue gas that contains a large amount of waste heats from outlet flue 3 is discharged is flow through through the outside of finned tube 7 by the top of condensing heat exchanger 9, becomes low-temperature flue gas after the heat release condensation and flows out through the heat exchanger bottom.Then under the effect of air-introduced machine 5 through flue 6, enter atmosphere by chimney at last.The water of lower temperature enters in the finned tube 7 from cooling water inlet 8, and heat absorption heats up the back by hot water outlet 10 outflows.When this device was used for heating hot water boiler or steam boiler, the hot water after the intensification directly enters boiler to be continued to be heated.When being used to the domestic hot-water is provided, then directly consume.Be installed in the butterfly valve 4 in chimney and the flue, one open-one close links with air-introduced machine 5 and burner 2 simultaneously all the time.
Heat exchanger of the present utility model has adopted finned tube, and fume side has obtained reinforcement, the heat exchange efficiency height.Finned tube has adopted aluminium, stainless steel or other corrosion-resistant material, and the life-span is long.Flue gas and condensate liquid co-flow have prevented the fouling of finned tube fume side.System configuration air-introduced machine and butterfly valve, and with burner interlock, guaranteed that the safety of boiler and condensing heat exchanger is moved automatically.The not only energy-conservation but also environmental protection of whole device has great economic benefit and social benefit.
Claims (2)
1. flue gas condensing waste-heat recovery device, comprise condensing heat exchanger, chimney, flue and the electric butterfly valve and air-introduced machine four major parts of wherein installing, it is characterized in that: condensing heat exchanger has adopted finned tube, finned tube is aluminium, stainless steel or other corrosion-resistant material, flue gas from top to bottom with the condensate liquid co-flow, water in the finned tube flows from bottom to top, forms reverse heat-exchange.
2. flue gas condensing waste-heat recovery device according to claim 1 is characterized in that: condensing heat exchanger gas approach place is equipped with two electric butterfly valves, and the exit is equipped with air-introduced machine, and links between the burner of butterfly valve and air-introduced machine and boiler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320121674 CN2655116Y (en) | 2003-11-24 | 2003-11-24 | Smoke condensing waste heat recovering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320121674 CN2655116Y (en) | 2003-11-24 | 2003-11-24 | Smoke condensing waste heat recovering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2655116Y true CN2655116Y (en) | 2004-11-10 |
Family
ID=34348386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320121674 Expired - Fee Related CN2655116Y (en) | 2003-11-24 | 2003-11-24 | Smoke condensing waste heat recovering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2655116Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101922799A (en) * | 2010-07-26 | 2010-12-22 | 清华大学 | Flue gas waste heat recovery system based on solution absorption cycle |
| CN103673266A (en) * | 2014-01-06 | 2014-03-26 | 中国船舶重工集团公司第七�三研究所 | Supercharged steam generator waste heat recovery water heater system |
| CN105333722A (en) * | 2015-12-10 | 2016-02-17 | 无锡爱德旺斯科技有限公司 | High temperature waste gas heat and coating material recovery device |
| CN105928351A (en) * | 2016-06-17 | 2016-09-07 | 四川恒飞机电设备有限公司 | Air heat energy recovery device for printing equipment |
| CN106352362A (en) * | 2016-08-23 | 2017-01-25 | 苏州必信空调有限公司 | Smoke-waste-heat recovery device with perpendicular low-resistance cooling system |
| CN108506955A (en) * | 2017-02-24 | 2018-09-07 | 爱质环保科技（上海）有限公司 | A kind of heating system using City Life Trash Power Plant fume afterheat |
-
2003
- 2003-11-24 CN CN 200320121674 patent/CN2655116Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101922799A (en) * | 2010-07-26 | 2010-12-22 | 清华大学 | Flue gas waste heat recovery system based on solution absorption cycle |
| CN103673266A (en) * | 2014-01-06 | 2014-03-26 | 中国船舶重工集团公司第七�三研究所 | Supercharged steam generator waste heat recovery water heater system |
| CN105333722A (en) * | 2015-12-10 | 2016-02-17 | 无锡爱德旺斯科技有限公司 | High temperature waste gas heat and coating material recovery device |
| CN105333722B (en) * | 2015-12-10 | 2017-06-16 | 无锡爱德旺斯科技有限公司 | High-temp waste gas waste heat and coating material retracting device |
| CN105928351A (en) * | 2016-06-17 | 2016-09-07 | 四川恒飞机电设备有限公司 | Air heat energy recovery device for printing equipment |
| CN105928351B (en) * | 2016-06-17 | 2019-02-15 | 四川恒飞机电设备有限公司 | A kind of printing equipment air heat energy recyclable device |
| CN106352362A (en) * | 2016-08-23 | 2017-01-25 | 苏州必信空调有限公司 | Smoke-waste-heat recovery device with perpendicular low-resistance cooling system |
| CN108506955A (en) * | 2017-02-24 | 2018-09-07 | 爱质环保科技（上海）有限公司 | A kind of heating system using City Life Trash Power Plant fume afterheat |
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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: 20041110 Termination date: 20091224 |