CN101726110A - Heatpump type gas-fired boiler waste heat recovery unit - Google Patents
Heatpump type gas-fired boiler waste heat recovery unit Download PDFInfo
- Publication number
- CN101726110A CN101726110A CN200910238452A CN200910238452A CN101726110A CN 101726110 A CN101726110 A CN 101726110A CN 200910238452 A CN200910238452 A CN 200910238452A CN 200910238452 A CN200910238452 A CN 200910238452A CN 101726110 A CN101726110 A CN 101726110A
- Authority
- CN
- China
- Prior art keywords
- heat
- gas
- heat exchanger
- water
- flue gas
- 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.)
- Granted
Links
- 238000011084 recovery Methods 0.000 title claims abstract description 15
- 239000002918 waste heat Substances 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 78
- 238000010521 absorption reaction Methods 0.000 claims abstract description 47
- 239000003546 flue gas Substances 0.000 claims abstract description 44
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000007789 gas Substances 0.000 claims abstract description 29
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- 239000000779 smoke Substances 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims description 14
- 239000000567 combustion gas Substances 0.000 claims description 7
- 239000006096 absorbing agent Substances 0.000 claims description 5
- 239000003517 fume Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 12
- 239000003345 natural gas Substances 0.000 abstract description 6
- 238000009833 condensation Methods 0.000 abstract description 4
- 230000005494 condensation Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000007812 deficiency Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
Images
Classifications
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Landscapes
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention belongs to the field of energy technology application, particularly relates to a heatpump type gas-fired boiler waste heat recovery unit. The unit comprises an absorption heat pump, a flue gas-water heat exchanger, a flue gas condensation heat exchanger, various connecting pipelines and accessories. The connecting pipelines comprise a first side pipeline, a middle water circulating pipeline and a second side pipeline. First side natural gas as a driving heat source enters a generator of the absorption heat pump and then enters the flue gas-water heat exchanger and the flue gas condensation heat exchanger with smoke exhausted by the gas fired boiler, the natural gas firstly passes through a water side circulating pipeline of the flue gas-water heat exchanger to heat second side return hot water and then exchanges heat with the generator side of the absorption heat pump to be as a low level heat source through the middle water circulating pipeline of the flue gas condensation pipeline, and the heat is transferred to a second side heating network by the absorption heat pump. The unit realizes cascade utilization for flue gas heat, greatly reduces the temperature of exhausted smoke, improves the energy utilization efficiency and is mainly used for gas-fired boiler waste heat recovery in a heating system.
Description
Technical field
The invention belongs to the energy technology application, particularly a kind of pump type heat gas fired-boiler waste heat recovery unit that can reduce exhaust gas temperature significantly.
Background technology
At present, the exhaust gas temperature of gas fired-boiler is about more than 100 ℃, not only taken away most of sensible heat in this part flue gas, simultaneously its latent heat is not fully utilized yet, this is because exhaust gas temperature is subjected to the restriction that the user locates heat request, utilizes conventional heat exchange mode can't realize whole recovery of condensation heat of flue gas, therefore, how further to reduce exhaust gas temperature, realize the cascade utilization of the energy, realize effects of energy saving and emission reduction, significant.
Summary of the invention
In order to solve deficiency of the prior art, the present invention provides a kind of pump type heat gas fired-boiler waste heat recovery unit that can reduce exhaust gas temperature significantly especially.
Technical scheme of the present invention is as follows:
A kind of pump type heat gas fired-boiler waste heat recovery unit is made up of absorption heat pump (1), flue gas condensing heat exchanger (2), gas-water heat exchanger (3) and various connecting line and annex; Described connecting line system is divided into primary side pipeline, middle water loops and secondary side pipeline three parts, and the medium in the primary side pipeline is the flue gas that combustion gas and burning back thereof produce, and the medium in middle water loops and the secondary side pipeline is a water.Its design feature is: generator, gas-water heat exchanger (3), the flue gas condensing heat exchanger (2) of absorption heat pump (1) passed through in the combustion gas of primary side pipeline successively; The water of intermediate loop passes through the evaporimeter of flue gas condensing heat exchanger (2) and absorption heat pump (1) successively; The mode that the hot water of secondary side pipeline adopts two-way to be connected in parallel, one tunnel absorber and condenser through absorption heat pump (1) heats up, and another road is heated through gas-water heat exchanger (3).Specifically, for the primary side pipe-line system, combustion gas at first enters heat release in the generator of absorption heat pump (1) as driving heat source, the cooling back enters gas-water heat exchanger (3) jointly with the smoke evacuation of gas fired-boiler, as thermal source heat hot water backwater, discharge from gas-water heat exchanger (3) the cooling back, enter flue gas condensing heat exchanger (2) then, as water loops in the middle of the thermal source heating, the hot water of middle water loops enters the low level heat energy of the evaporimeter of absorption heat pump (1) as heat pump, is heated by flue gas condensing heat exchanger (2) after the cooling again; For the secondary side water circuit system, hot water backwater one tunnel enters the absorber of absorption heat pump (1) and the condenser heat absorption heats up, and another road enters the water side of gas-water heat exchanger (3), sends after the intensification to the user and locates.
Unit pipeline of the present invention can have four kinds of connected modes: first kind of connected mode as shown in Figure 1, the secondary side pipeline adopts mode in parallel, be after the secondary side hot water backwater divides two-way to enter absorption heat pump and gas-water heat exchanger heat temperature raising respectively, to converge to a place again and be transported to the user; Second kind of connected mode as shown in Figure 2, the secondary side pipeline adopts the mode of series connection, promptly the secondary side hot water backwater is introduced into the absorption heat pump heat absorption and heats up, and enters gas-water heat exchanger heat temperature raising again, and then is transported to the user; The third connected mode as shown in Figure 3, the combustion gas of primary side pipeline can directly enter in the flue gas condensing heat exchanger without the gas-water heat exchanger after entering the generator discharge of absorption heat pump, for the secondary side water circuit system, the hot water backwater sends to the user after absorbing heat in absorption heat pump and heating up; The 4th kind of connected mode as shown in Figure 4, set up a flue gas condensing heat exchanger (2a) in the system, the combustion gas of primary side pipeline enters the generator of absorption heat pump, after producing flue gas, directly enter cooling discharge unit in the flue gas condensing heat exchanger (2), the smoke evacuation of gas fired-boiler simultaneously directly enters flue gas condensing heat exchanger (2a) cooling back and discharges unit, can realize the recovery respectively of two parts fume afterheat; For middle water loops, two flue gas condensing heat exchanger water side ring roads provide heat for the evaporimeter of absorption heat pump jointly.
The heat exchange unit that above-mentioned type of attachment constituted that the present invention adopts, also can be applied to other industrial gasses waste heat degree of depth reclaims, create condition for low-grade gas heat energy even used heat waste heat, realized the cascade utilization of the energy, reduced pollutant discharge amount simultaneously.
Description of drawings
Fig. 1 is first kind of connected mode schematic flow sheet of the present invention.
Fig. 2 is second kind of connected mode schematic flow sheet of the present invention.
Fig. 3 is the third connected mode schematic flow sheet of the present invention.
Fig. 4 is the 4th kind of connected mode schematic flow sheet of the present invention.
Number in the figure: 1-absorption type heat pump assembly, 2 and 2a-flue gas condensing heat exchanger, 3-gas-water heat exchanger, a-primary side fuel gas pipeline, b-primary side gas fired-boiler smoke evacuation pipeline, c-exhanst gas outlet, d-secondary side hot water backwater pipeline, e-secondary side hot water feeding pipe road.
The specific embodiment
According to the requirement of an actual heating parameter of heating system, the specific embodiment of the present invention is described below.
Embodiment 1: referring to accompanying drawing 1, in the actual motion, natural gas at first enters absorption type heat pump assembly 1 as driving heat source, heat release in its generator, from absorption heat pump 1, discharge when being cooled to 130 ℃ of left and right sides, enter gas-water heat exchanger 3 jointly as the heating thermals source with the smoke evacuation of gas fired-boiler, be cooled to 70 ℃ after, from the air-water heat exchanger, discharge, discharge after 70 ℃ flue gas enters flue gas condensing heat exchanger 2 and is cooled to 30 ℃; The hot water backwater that secondary side is 45 ℃ divides two-way to enter unit, one the tunnel enters absorption heat pump 1, in its absorber and condenser, absorb heat, be heated to back outflow about 60 ℃, another road enters gas-water heat exchanger 3, carry out heat exchange with the primary side flue gas, flow out after being heated to 60 ℃, deliver to the user after the hot water effluent that two-way is 60 ℃ converges.
Embodiment 2: referring to accompanying drawing 2, natural gas at first enters absorption type heat pump assembly 1 as driving heat source, heat release in its generator, from absorption heat pump 1, discharge when being cooled to 130 ℃ of left and right sides, enter gas-water heat exchanger 3 jointly as the heating thermal source with the smoke evacuation of gas fired-boiler, after being cooled to 70 ℃, from the air-water heat exchanger, discharge, discharge after 70 ℃ flue gas enters flue gas condensing heat exchanger 2 and is cooled to 30 ℃; The hot water backwater that secondary side is 45 ℃ enters absorption heat pump 1, absorbs heat in its absorber and condenser, enters air-water heat exchanger 2 after being heated again, carries out heat exchange with the primary side flue gas, delivers to the user after being heated to 60 ℃.
Embodiment 3: referring to accompanying drawing 3, in the actual motion, natural gas at first enters absorption type heat pump assembly 1 as driving heat source, heat release in its generator, flue gas is discharged from absorption heat pump 1, discharges after entering flue gas condensing heat exchanger 2 jointly and be cooled to 30 ℃ with 90 ℃ of smoke evacuations of gas fired-boiler; The hot water backwater that secondary side is 45 ℃ enters absorption heat pump 1, delivers to the user after being heated to 60 ℃.
Embodiment 4: referring to accompanying drawing 4, system sets up a flue gas condensing heat exchanger 2a, in the actual motion, natural gas at first enters absorption type heat pump assembly 1 as driving heat source, heat release in its generator, from absorption heat pump 1, discharge when being cooled to 130 ℃ of left and right sides, enter back discharge in the flue gas condensing heat exchanger 2; The smoke evacuation of gas fired-boiler directly enters flue gas condensing heat exchanger 2a cooling back and discharges; The hot water backwater that secondary side is 45 ℃ enters absorption heat pump 1, delivers to the user after being heated to 60 ℃.
Claims (5)
1. pump type heat gas fired-boiler waste heat recovery unit, described unit is by absorption heat pump (1), flue gas condensing heat exchanger (2), gas-water heat exchanger (3) and various connecting line and annex are formed, it is characterized in that: combustion gas at first enters heat release in the generator of absorption heat pump (1) as driving heat source in this unit, the cooling back enters gas-water heat exchanger (3) jointly with the smoke evacuation of gas fired-boiler, as the heating thermal source, the heat hot water backwater, discharge from gas-water heat exchanger (3) the cooling back, enter flue gas condensing heat exchanger (2), as the hot water of heating thermal source heating intermediate loop; The hot water of intermediate loop directly enters the low level heat energy of the evaporimeter of absorption heat pump (1) as heat pump, is heated by flue gas condensing heat exchanger (2) after the cooling again; For the secondary side water circuit system, the hot water backwater delivers to the user after absorbing heat and heating up in absorption heat pump (1) and gas-water heat exchanger (3); Described connecting line system is divided into primary side pipeline, middle water loops and secondary side pipeline three parts; The flue gas of primary side pipeline passes through gas-water heat exchanger (3), flue gas condensing heat exchanger (2) successively; The water of intermediate loop passes through the evaporimeter of flue gas condensing heat exchanger (2) and absorption heat pump (1) successively; The absorber of the hot water process absorption heat pump (1) of secondary side pipeline and condenser, gas-water heat exchanger (3).
2. pump type heat gas fired-boiler waste heat recovery unit according to claim 1, it is characterized in that: the part in the high-temperature medium (steam or hot water) that described gas fired-boiler produces enters heat release in the generator of absorption heat pump (1) as driving heat source, return boiler after the cooling; The smoke evacuation of gas fired-boiler enters gas-water heat exchanger (3), as the heating thermal source, the heat hot water backwater, discharge from gas-water heat exchanger (3) the cooling back, enter flue gas condensing heat exchanger (2), as the hot water of heating thermal source heating intermediate loop, the hot water of intermediate loop directly enters the low level heat energy of the evaporimeter of absorption heat pump (1) as heat pump, is heated by flue gas condensing heat exchanger (2) after the cooling again; For the secondary side water circuit system, the hot water backwater delivers to the user after absorbing heat and heating up in absorption heat pump (1) and gas-water heat exchanger (3).
3. pump type heat gas fired-boiler waste heat recovery unit according to claim 1 and 2, it is characterized in that: described secondary side pipeline adopts mode in parallel or series connection, adopting mode in parallel is after the secondary side hot water backwater divides two-way to enter absorption heat pump (1) and gas-water heat exchanger (3) heat temperature raising respectively, to converge to a place again and be transported to the user; The mode that adopts series connection is that the secondary side hot water backwater is introduced into gas-water heat exchanger (3) and enters absorption heat pump (1) intensification of absorbing heat step by step again, perhaps being introduced into absorption heat pump (1) heat absorption heats up, enter gas-water heat exchanger (3) heat temperature raising again, be transported to the user.
4. pump type heat gas fired-boiler waste heat recovery unit according to claim 1 and 2 is characterized in that: described flue gas directly enters in the flue gas condensing heat exchanger (2); For the secondary side water circuit system, the hot water backwater sends to the user after absorbing heat in absorption heat pump (1) and heating up.
5. pump type heat gas fired-boiler waste heat recovery unit according to claim 1 and 2, it is characterized in that: described unit is set up a flue gas condensing heat exchanger (2a), the combustion gas of primary side pipeline enters the generator of absorption heat pump (1), after producing flue gas, directly enter cooling discharge unit in the flue gas condensing heat exchanger (2); The smoke evacuation of gas fired-boiler simultaneously directly enters flue gas condensing heat exchanger (2a) cooling back and discharges unit, realizes the recovery respectively of two parts fume afterheat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102384522A CN101726110B (en) | 2009-11-20 | 2009-11-20 | Heatpump type gas-fired boiler waste heat recovery unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102384522A CN101726110B (en) | 2009-11-20 | 2009-11-20 | Heatpump type gas-fired boiler waste heat recovery unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101726110A true CN101726110A (en) | 2010-06-09 |
| CN101726110B CN101726110B (en) | 2011-08-17 |
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| CN2009102384522A Active CN101726110B (en) | 2009-11-20 | 2009-11-20 | Heatpump type gas-fired boiler waste heat recovery unit |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072555A (en) * | 2010-11-17 | 2011-05-25 | 山东兴氟新材料有限公司 | Method for recycling remained heat from production of anhydrous hydrogen fluoride and device thereof |
| CN102997490A (en) * | 2012-11-22 | 2013-03-27 | 大连葆光节能空调设备厂 | Waste heat recovery type distributed energy and sewage source heat pump coupling system |
| CN102997311A (en) * | 2012-12-25 | 2013-03-27 | 浙江工商大学 | Power plant condensing heat recovery heat supply system |
| CN103017238A (en) * | 2012-12-25 | 2013-04-03 | 浙江工商大学 | Waste heat recovery heating system of biomass power plant |
| CN103017140A (en) * | 2012-12-25 | 2013-04-03 | 浙江工商大学 | Flue gas waste heat recovery device of biomass power plant |
| CN103216972A (en) * | 2013-04-22 | 2013-07-24 | 天津大学 | Novel gas-fired boiler smoke discharging and heat recovery method |
| CN103225834A (en) * | 2013-05-21 | 2013-07-31 | 青岛宏宇环保空调设备有限公司 | Boiler flue gas pollution discharge and waste heat recovery heat pump heating system and application method thereof |
| CN103542446A (en) * | 2013-09-25 | 2014-01-29 | 清华大学 | Afterburning absorption heat exchanger unit |
| CN106996571A (en) * | 2017-05-17 | 2017-08-01 | 北京华源泰盟节能设备有限公司 | A kind of coal-fired hot-water boiler fume afterheat depth recovery system and its method |
| CN107144009A (en) * | 2017-05-25 | 2017-09-08 | 海宁金能热水器有限公司 | The air source water heater that a kind of adopting boiler chimney waste-heat is recycled |
| CN108826418A (en) * | 2018-07-30 | 2018-11-16 | 清华大学 | A kind of residual heat from boiler fume recovery system and working method based on gas-burning machine heat pump |
| CN114322060A (en) * | 2022-01-04 | 2022-04-12 | 中国华电科工集团有限公司 | Waste heat deep utilization system |
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| DE3222071A1 (en) * | 1982-06-11 | 1983-12-15 | Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5300 Bonn | METHOD FOR OPERATING AN ABSORPTION HEAT PUMP |
| CN2504557Y (en) * | 2001-10-22 | 2002-08-07 | 清华同方股份有限公司 | Heating appts. of recovering and utilizing vapour heat from fume of gas boiler and fuel boiler |
| CN1196900C (en) * | 2001-10-22 | 2005-04-13 | 清华同方股份有限公司 | Heating apparatus utilizing aqueous vapour latent heat in fuel gas, fuel oil boiler exhaust gas |
| CN1159556C (en) * | 2001-10-22 | 2004-07-28 | 清华同方股份有限公司 | Heat supply device capable of recovering aqueous vapour in fuel gas, fuel oil boiler flue gas |
| CN1188641C (en) * | 2001-12-17 | 2005-02-09 | 清华大学 | Direct burning adsorption type cold and warm water machine set |
| CN100359237C (en) * | 2005-08-16 | 2008-01-02 | 江苏双良锅炉有限公司 | Gas-liquid-gas-efficient boiler smoke-discharging thermal energy-recovering apparatus |
| CN201059773Y (en) * | 2007-06-26 | 2008-05-14 | 蔡日群 | Boiler stack gas heat recovery device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102072555A (en) * | 2010-11-17 | 2011-05-25 | 山东兴氟新材料有限公司 | Method for recycling remained heat from production of anhydrous hydrogen fluoride and device thereof |
| CN102997490A (en) * | 2012-11-22 | 2013-03-27 | 大连葆光节能空调设备厂 | Waste heat recovery type distributed energy and sewage source heat pump coupling system |
| CN102997311B (en) * | 2012-12-25 | 2017-01-25 | 浙江工商大学 | Power plant condensing heat recovery heat supply system |
| CN102997311A (en) * | 2012-12-25 | 2013-03-27 | 浙江工商大学 | Power plant condensing heat recovery heat supply system |
| CN103017140A (en) * | 2012-12-25 | 2013-04-03 | 浙江工商大学 | Flue gas waste heat recovery device of biomass power plant |
| CN103017238A (en) * | 2012-12-25 | 2013-04-03 | 浙江工商大学 | Waste heat recovery heating system of biomass power plant |
| CN103017140B (en) * | 2012-12-25 | 2016-01-06 | 浙江工商大学 | Biomass electric power plant cigarette wind waste heat recovery plant |
| CN103017238B (en) * | 2012-12-25 | 2016-01-06 | 浙江工商大学 | Biomass electric power plant Waste Heat Recovery heating system |
| CN103216972A (en) * | 2013-04-22 | 2013-07-24 | 天津大学 | Novel gas-fired boiler smoke discharging and heat recovery method |
| CN103225834B (en) * | 2013-05-21 | 2015-09-02 | 青岛宏宇环保空调设备有限公司 | Boiler smoke blowdown heat pump of recovering residual heat heating system and using method thereof |
| CN103225834A (en) * | 2013-05-21 | 2013-07-31 | 青岛宏宇环保空调设备有限公司 | Boiler flue gas pollution discharge and waste heat recovery heat pump heating system and application method thereof |
| CN103542446A (en) * | 2013-09-25 | 2014-01-29 | 清华大学 | Afterburning absorption heat exchanger unit |
| CN103542446B (en) * | 2013-09-25 | 2016-05-18 | 清华大学 | A kind of fuel supplementing type absorption heat exchange unit |
| CN106996571A (en) * | 2017-05-17 | 2017-08-01 | 北京华源泰盟节能设备有限公司 | A kind of coal-fired hot-water boiler fume afterheat depth recovery system and its method |
| CN107144009A (en) * | 2017-05-25 | 2017-09-08 | 海宁金能热水器有限公司 | The air source water heater that a kind of adopting boiler chimney waste-heat is recycled |
| CN108826418A (en) * | 2018-07-30 | 2018-11-16 | 清华大学 | A kind of residual heat from boiler fume recovery system and working method based on gas-burning machine heat pump |
| CN114322060A (en) * | 2022-01-04 | 2022-04-12 | 中国华电科工集团有限公司 | Waste heat deep utilization system |
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| Publication number | Publication date |
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| CN101726110B (en) | 2011-08-17 |
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