CN203501144U - Waste heat recovery system for gas-fired boiler - Google Patents
Waste heat recovery system for gas-fired boiler Download PDFInfo
- Publication number
- CN203501144U CN203501144U CN201320484995.4U CN201320484995U CN203501144U CN 203501144 U CN203501144 U CN 203501144U CN 201320484995 U CN201320484995 U CN 201320484995U CN 203501144 U CN203501144 U CN 203501144U
- Authority
- CN
- China
- Prior art keywords
- boiler
- heat exchanger
- flue
- water
- bypass
- 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.)
- Withdrawn - After Issue
Links
- 239000002918 waste heat Substances 0.000 title abstract description 7
- 238000011084 recovery Methods 0.000 title abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 70
- 238000002485 combustion reaction Methods 0.000 claims abstract description 10
- 238000006392 deoxygenation reaction Methods 0.000 claims description 7
- 238000009833 condensation Methods 0.000 claims description 6
- 230000005494 condensation Effects 0.000 claims description 6
- 239000000779 smoke Substances 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound 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[Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 21
- 239000003345 natural gas Substances 0.000 description 17
- UGFAIRIUMAVXCW-UHFFFAOYSA-N carbon monoxide Chemical compound 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[O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 13
- 239000003546 flue gas Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound 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[C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 239000003517 fume Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 241000720974 Protium Species 0.000 description 1
- 238000005039 chemical industry Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000003949 liquefied natural gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001131 transforming Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model discloses a waste heat recovery system for a gas-fired boiler. A main flue is connected in parallel with a bypass flue; the bypass flue is sequentially connected in series with a bypass flue butterfly valve, a boiler economizer, an air preheater and a condensing heat exchanger; the bypass flue is communicated with a bypass chimney; a water inlet of a heat exchange pipe of the boiler economizer is connected with a water tank by a water supply pipeline; a water outlet of the heat exchange pipe of the boiler economizer is communicated with the boiler by a pipeline; an air inlet of a heat exchange pipe of the air preheater is communicated with a fan by a pipeline; an air outlet of the heat exchange pipe of the air preheater is communicated with a boiler combustion air inlet pipe by a pipeline; a water inlet of a heat exchange pipe of the condensing heat exchanger is communicated with the water tank by a downcomer; and a water outlet of the heat exchange pipe of the condensing heat exchanger is communicated with the water tank by a riser. The waste heat recovery system for the gas-fired boiler has a simple and compact structure and a small volume; the exhaust gas temperature of the boiler is reduced to 40 to 50 DEG C; recovered heat is all used for a boiler system; the exhaust gas temperature of the boiler is greatly reduced; heat efficiency of the boiler is greatly improved to over 100 percent; and the aim of greatly improving the utilization rate of energy is fulfilled.
Description
Technical field
The utility model belongs to boiler afterheat and reclaims field, particularly relates to a kind of gas fired-boiler residual neat recovering system.
Background technology
For improving the air quality in city, using clean energy resource has been a kind of trend, and in recent years, along with transfering natural gas from the west to the east waits putting into operation of large-scale pipeline conveying engineering, the consumption of natural gas grows with each passing day.2000-2010, average annual 16%, 2010 Year's consumption that increases of Natural Gas In China consumption reaches 1070 billion cubic meters, and China has become the world the fourth-largest natural gas consumption state.International Energy Agency prediction, the year two thousand thirty Natural Gas In China consumption will reach approximately 3310 billion cubic meters, become second-biggest-in-the-world natural gas consumption state, account for 7% of world's total amount consumed.Ended for the end of the year 2012, the natural gas consumption market of China has expanded to 30 provinces, city, district, province, city, district that Natural Gas Consumption Using surpasses 10 billion cubic meters reach 20, and wherein half is state's producing natural gas, and half is inlet pipeline natural gas and liquefied natural gas.
According to relevant statistics, 490,000 of the existing coal-burning boilers of China, year consumes 600,000,000 tons, raw coal, account for 20% of the former consumption of coal of China, 1,000 ten thousand tons of coal-burned industrial boiler SO2 discharges in 2010,2,000,000 tons of Nox discharges, 2,000,000 tons of dust emissions, 9,000 ten thousand tons, waste residue is the second largest pollution that caused by coal burning source that China is only second to generating.The promise of making in the face of Copenhagen meeting Chinese government and the constraint of " 12 " planning index, depending existing energy-conservation and green technology alone can not solve coal-fired boiler reform, reliable also feasible way is exactly transformation energy source structure, with fuel vapor or new forms of energy, substitutes coal-fired.At present, China's natural gas consumption mainly concentrates on industry and two fields of personal consumption, and industry consumption comprises chemical industry, industrial fuel, generating etc., account for 80% of gas consumption, along with constantly riseing of energy prices level, the power-saving technology that researching natural gas utilizes is imperative, and market prospects are wide.
In natural gas, contain a large amount of protiums, burning produces a large amount of water vapours.Every 1Nm
3after combustion of natural gas, can produce 1.55KG water vapour, there is the considerable latent heat of vaporization, be approximately 3700KJ, account for 10% left and right of the low heat valve of natural gas.The exhaust gas temperature of at present heating natural gas hot-water boiler is generally at 200 ℃, and industrial enterprise for the production of gas-steam boiler generally at 200-240 ℃, at this temperature, high-temperature flue gas is also taken away a large amount of sensible heats, form together larger flue gas loss, water vapour can not condensation be emitted heat simultaneously, with fume emission, heat is wasted, and boiler thermal output generally can only reach
(pressing natural gas low heat valve calculates).
Utility model content
The technical problems to be solved in the utility model be to provide a kind of simple in structure, easy and simple to handle, improve boiler thermal output, save the gas fired-boiler residual neat recovering system of the energy.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of gas fired-boiler residual neat recovering system, comprise flue collector, main chimney, flue collector one end is connected with boiler smoke outlet, the other end communicates with main chimney, also comprise bypass flue, boiler economizer, air preheater, condensing heat exchanger, chimney bypass, flue butterfly valve is installed on flue collector, bypass flue in parallel on the flue collector in flue butterfly valve the place ahead, inline bypass flue butterfly valve successively on bypass flue, boiler economizer, air preheater, condensing heat exchanger, bypass flue communicates with chimney bypass, the water inlet of the heat exchanger tube of boiler economizer is connected with water tank by water supply line, the boiler water supply pump of connecting on water supply line, the delivery port of heat exchanger tube communicates with boiler by pipeline, the air inlet of the heat exchanger tube of air preheater communicates with blower fan by pipeline, gas outlet communicates with boiler auxiliary combustion air intake duct by pipeline, the water inlet of the heat exchanger tube of condensing heat exchanger communicates with water tank by down-comer, delivery port communicates with water tank by tedge, series circulation water pump on tedge.
The utility model gas fired-boiler residual neat recovering system, the bottom of wherein said condensing heat exchanger is communicated with condensation water tank by blow-off pipe, and blowoff valve is installed on blow-off pipe.
The utility model gas fired-boiler residual neat recovering system, on wherein said water supply line, in the place ahead of boiler water supply pump, also connect successively deoxygenation water pump, thermal deaerator.
The utility model gas fired-boiler residual neat recovering system, wherein said boiler economizer adopts H type fin tubular type economizer.
The utility model gas fired-boiler residual neat recovering system, wherein said air preheater adopts heat pipe-type air preheater.
The utility model gas fired-boiler residual neat recovering system, the heat exchanger tube of wherein said condensing heat exchanger adopts aluminum finned tube.
The utility model gas fired-boiler residual neat recovering system, simple and compact for structure, volume is little, fume afterheat is divided into different grades, by by the exhaust heat stepped utilization of different grades in tail smoke discharging, set up boiler economizer and reclaim high-grade waste heat, boiler feed water temperature is improved to 30 ℃ of left and right; Set up the waste heat that air preheater reclaims medium grade, combustion air temperature is improved to 50 ℃ of left and right; Set up condensing heat exchanger and reclaim low-grade waste heat, boiler feed water temperature is improved to 45 ℃ of left and right, thereby exhaust gas temperature is reduced to 40-50 ℃, and by reclaimed heat all for steam generator system, greatly reduce exhaust gas temperature, more than significantly having improved boiler thermal output to 100%, reach the object that significantly improves energy utilization rate.
Below in conjunction with accompanying drawing, gas fired-boiler residual neat recovering system of the present utility model is described further.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model gas fired-boiler residual neat recovering system.
The specific embodiment
As shown in Figure 1, the utility model gas fired-boiler residual neat recovering system comprises flue collector 1, main chimney 2, bypass flue 3, boiler economizer 4, air preheater 5, condensing heat exchanger 6, chimney bypass 7, flue collector 1 one end is connected with boiler smoke outlet, the other end communicates with main chimney 2, flue butterfly valve 11 is installed on flue collector 1, bypass flue 3 in parallel on the flue collector 1 in flue butterfly valve 11 the place aheads, inline bypass flue butterfly valve 31, boiler economizer 4, air preheater 5, condensing heat exchanger 6 successively on bypass flue 3, bypass flue 3 communicates with chimney bypass 7.
Boiler economizer 4 adopts H type fin tubular type economizer, the water inlet of the heat exchanger tube 41 of boiler economizer 4 is connected with water tank 43 by water supply line 42, on water supply line 42, connect successively deoxygenation water pump 44, thermal deaerator 45, boiler water supply pump 46, the delivery port of heat exchanger tube 41 communicates with gas fired-boiler 8 by pipeline.
Air preheater 5 adopts heat pipe-type air preheater, and the air inlet of the heat exchanger tube 51 of air preheater 5 communicates with blower fan 52 by pipeline, and gas outlet communicates with boiler auxiliary combustion air intake duct 53 by pipeline.
The heat exchanger tube of condensing heat exchanger 6 adopts aluminum finned tube, and the water inlet of the heat exchanger tube 61 of condensing heat exchanger 6 communicates with water tank 43 by down-comer 62, and delivery port communicates with water tank 43 by tedge 63, series circulation water pump 64 on tedge 63.The bottom of condensing heat exchanger 6 is communicated with condensation water tank 66 by blow-off pipe 65, and blowoff valve 67 is installed on blow-off pipe 65.
The method of the utility model gas fired-boiler residual neat recovering system Mist heat recovering, comprises the following steps:
(1) close the flue butterfly valve 11 on flue collector 1, open the bypass flue butterfly valve 31 on bypass flue 3, the 200-240 ℃ of high-temperature flue gas that gas fired-boiler 8 is discharged enters boiler economizer 4 through by-pass flue 3, water in water tank 43 is under 44 effects of deoxygenation water pump simultaneously, be sent to after the interior deoxygenation of thermal deaerator 45, under 46 effects of boiler water supply pump, be sent to boiler economizer 4, high-temperature flue gas and water carry out lowering the temperature after heat exchange, and the water after being heated enters in boiler 8;
(2) once cooling after flue gas enter in air preheater 5, under blower fan 52 effects, combustion air enters in air preheater 5 simultaneously, and flue gas and combustion air carry out lowering the temperature again after heat exchange, combustion air after being heated enters boiler auxiliary combustion air intake duct 53
(3) flue gas after reducing temperature twice enters in condensing heat exchanger 6, water in water tank 43 enters in condensing heat exchanger 6 simultaneously, flue gas and water carry out lowering the temperature again after heat exchange, temperature is down to 40-50 ℃, and produce condensed water, low-temperature flue gas is discharged from chimney bypass 7, condensed water can drain in condensation water tank 66 by blow-off pipe 65, after processing, recycle, water after being heated is under water circulating pump 64 effects, return in water tank 43, by deoxygenation water pump 44, send into after the interior deoxygenation of thermal deaerator 45, enter the further rear water supply as boiler of heating of boiler economizer 4.
Gas fired-boiler residual neat recovering system of the present utility model has the following advantages:
1, boiler tail smoke discharging is divided into high, medium and low different grade, and by the fume afterheat cascade utilization of different grades, and the waste heat reclaiming needs for boiler self completely, greatly reduces exhaust gas temperature, boiler thermal output can reach more than 103%;
2, adopt combination high-efficiency heat transfer technology, by High Temperature Gas-water, middle wet-gas, cryogenic condensation formula gas-water heat exchange organic assembling, realize high efficient heat exchanging;
3, flue collector and bypass flue arrange respectively flue butterfly valve, are convenient to switch;
4, high temperature section boiler economizer adopts H type extended surface tube efficient, low-resistance to do heat exchange element, and middle-temperature section air preheater adopts aerospace high-tech-heat pipe heat exchanging, and low-temperature zone condensing heat exchanger adopts the heat exchange of aluminum finned tube, and whole system heat exchange efficiency is high.
Above-described embodiment is described preferred embodiment of the present utility model; not scope of the present utility model is limited; do not departing under the prerequisite of the utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model, all should fall in the definite protection domain of the utility model claims.
Claims (6)
1. a gas fired-boiler residual neat recovering system, comprise flue collector, main chimney, flue collector one end is connected with boiler smoke outlet, the other end communicates with main chimney, it is characterized in that: also comprise bypass flue, boiler economizer, air preheater, condensing heat exchanger, chimney bypass, flue butterfly valve is installed on flue collector, bypass flue in parallel on the flue collector in flue butterfly valve the place ahead, inline bypass flue butterfly valve successively on bypass flue, boiler economizer, air preheater, condensing heat exchanger, bypass flue communicates with chimney bypass, the water inlet of the heat exchanger tube of boiler economizer is connected with water tank by water supply line, the boiler water supply pump of connecting on water supply line, the delivery port of heat exchanger tube communicates with boiler by pipeline, the air inlet of the heat exchanger tube of air preheater communicates with blower fan by pipeline, gas outlet communicates with boiler auxiliary combustion air intake duct by pipeline, the water inlet of the heat exchanger tube of condensing heat exchanger communicates with water tank by down-comer, delivery port communicates with water tank by tedge, series circulation water pump on tedge.
2. gas fired-boiler residual neat recovering system according to claim 1, is characterized in that: the bottom of described condensing heat exchanger is communicated with condensation water tank by blow-off pipe, and blowoff valve is installed on blow-off pipe.
3. gas fired-boiler residual neat recovering system according to claim 2, is characterized in that: on described water supply line, in the place ahead of boiler water supply pump, also connect successively deoxygenation water pump, thermal deaerator.
4. gas fired-boiler residual neat recovering system according to claim 3, is characterized in that: described boiler economizer adopts H type fin tubular type economizer.
5. gas fired-boiler residual neat recovering system according to claim 4, is characterized in that: described air preheater adopts heat pipe-type air preheater.
6. gas fired-boiler residual neat recovering system according to claim 5, is characterized in that: the heat exchanger tube of described condensing heat exchanger adopts aluminum finned tube.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320484995.4U CN203501144U (en) | 2013-08-09 | 2013-08-09 | Waste heat recovery system for gas-fired boiler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320484995.4U CN203501144U (en) | 2013-08-09 | 2013-08-09 | Waste heat recovery system for gas-fired boiler |
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| CN203501144U true CN203501144U (en) | 2014-03-26 |
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| CN201320484995.4U Withdrawn - After Issue CN203501144U (en) | 2013-08-09 | 2013-08-09 | Waste heat recovery system for gas-fired boiler |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103438427A (en) * | 2013-08-09 | 2013-12-11 | 天津诺能达能源科技有限公司 | Gas-fired boiler afterheat recovering system and recovering method |
| CN104344417A (en) * | 2014-10-30 | 2015-02-11 | 惠州市拓丰实业有限公司 | High-efficiency and energy-saving boiler |
| CN104390207A (en) * | 2014-11-24 | 2015-03-04 | 天津理工大学 | Heat recovering and utilizing system for low-temperature flue gas |
| CN104633644A (en) * | 2014-12-10 | 2015-05-20 | 北京京诚科林环保科技有限公司 | Regularly-discharged waste water waste heat recycling system of converter waste heat boiler |
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| CN105066085A (en) * | 2015-08-14 | 2015-11-18 | 吉首大学 | Tail heat utilizing type oil burning boiler capable of preventing dust deposition |
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- 2013-08-09 CN CN201320484995.4U patent/CN203501144U/en not_active Withdrawn - After Issue
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438427A (en) * | 2013-08-09 | 2013-12-11 | 天津诺能达能源科技有限公司 | Gas-fired boiler afterheat recovering system and recovering method |
| CN103438427B (en) * | 2013-08-09 | 2015-06-24 | 天津诺能达能源科技有限公司 | Gas-fired boiler afterheat recovering system and recovering method |
| CN104344417A (en) * | 2014-10-30 | 2015-02-11 | 惠州市拓丰实业有限公司 | High-efficiency and energy-saving boiler |
| CN104390207A (en) * | 2014-11-24 | 2015-03-04 | 天津理工大学 | Heat recovering and utilizing system for low-temperature flue gas |
| CN104633644A (en) * | 2014-12-10 | 2015-05-20 | 北京京诚科林环保科技有限公司 | Regularly-discharged waste water waste heat recycling system of converter waste heat boiler |
| CN104913321A (en) * | 2015-05-27 | 2015-09-16 | 北京工业大学 | Heating gas-fired boiler denitration total heat recovery system |
| CN104913321B (en) * | 2015-05-27 | 2017-06-30 | 北京工业大学 | Gas boiler for heating denitration total heat recovery system |
| CN105066085A (en) * | 2015-08-14 | 2015-11-18 | 吉首大学 | Tail heat utilizing type oil burning boiler capable of preventing dust deposition |
| CN105066124A (en) * | 2015-08-14 | 2015-11-18 | 吉首大学 | Tail heat utilization type dust retention preventing oil burning boiler |
| CN111623332A (en) * | 2020-06-05 | 2020-09-04 | 广州市东海鹏染整织造有限公司 | Steam production process of gas steam boiler |
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