CN103017140B - Biomass electric power plant cigarette wind waste heat recovery plant - Google Patents
Biomass electric power plant cigarette wind waste heat recovery plant Download PDFInfo
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- CN103017140B CN103017140B CN201210583021.1A CN201210583021A CN103017140B CN 103017140 B CN103017140 B CN 103017140B CN 201210583021 A CN201210583021 A CN 201210583021A CN 103017140 B CN103017140 B CN 103017140B
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Abstract
The present invention relates to a kind of heat reclamation device, disclose a kind of biomass electric power plant cigarette wind waste heat recovery plant, comprise steam pipework, cooling water circulation pipeline, demineralized water pipeline, it is characterized in that: also comprise flue gas heat exchange pipeline, described flue gas heat exchange pipeline is provided with flue gas heat-exchange unit, after sorption type heat pump heat absorption, get back to flue gas heat-exchange unit.The present invention, by heat exchange method, reclaims the waste heat in biomass electric power plant cigarette wind and slag, has heat energy recycle rate high, the advantages such as energy-conserving and environment-protective.
Description
Technical field
The present invention relates to a kind of heat reclamation device, particularly relate to a kind of biomass electric power plant cigarette wind waste heat recovery plant.
Background technology
The cigarette wind-heat of biomass power plant enters air by chimney and forms huge heat-energy losses, is the low main cause of biomass power plant energy use efficiency, not only causes the waste of energy and water or electricity, also seriously pollutes air simultaneously.Biomass power plant and one, thermal power plant important difference are just that in the burnt gas of biomass power plant, sulfur content is extremely low, also can not form sulfuric acid after condensation, etching apparatus.So biomass electric power plant does not have certain temperature requirement to the cigarette wind that it discharges, the heat in cigarette wind can be recycled completely.
Summary of the invention
The present invention is directed to cigarette wind used heat in prior art and be difficult to the problem of Collection and utilization, provide a kind of biomass electric power plant cigarette wind waste heat recovery plant adopting heat pump techniques to reclaim power plant's cigarette wind waste heat.
In order to solve the problems of the technologies described above, the present invention is solved by following technical proposals:
A kind of biomass electric power plant cigarette wind waste heat recovery plant, comprise steam pipework, cooling water circulation pipeline, demineralized water pipeline, also comprise flue gas heat exchange pipeline, described flue gas heat exchange pipeline is provided with flue gas heat-exchange unit, after sorption type heat pump heat absorption, get back to flue gas heat-exchange unit.Also circulating pump is provided with in described flue gas heat exchange pipeline.Described flue gas heat exchange pipeline absorbs heat through flue gas heat-exchange unit, is connected to sorption type heat pump and carries out heat release, then by the effect of circulating pump, and the used heat in flue gas heat exchange pipeline circulation and stress flue gas, and be supplied to sorption type heat pump.
As preferably, described demineralized water pipeline comprises sweet-water tank and slag heat exchanger, after water water-to-water heat exchanger, get back to sweet-water tank by demineralized water water return pipeline.Described demineralized water water return pipeline is provided with demineralized water water return pipeline control valve, and be provided with deoxygenation pipeline between water water-to-water heat exchanger and demineralized water water return pipeline control valve, deoxygenation pipeline is connected with oxygen-eliminating device.Described oxygen-eliminating device passes into boiler feedwater by feed pump.When demineralized water water return pipeline control valve is closed, the water in demineralized water pipeline is by being back to sweet-water tank after water water-to-water heat exchanger; When demineralized water water return pipeline control valve is opened, the water in demineralized water pipeline is by entering oxygen-eliminating device by deoxygenation pipeline after water water-to-water heat exchanger.
As preferably, described steam pipework connects steam turbine and condenser; Cooling water circulation pipeline, from cool cycles pond, gets back to cool cycles pond after condenser, sorption type heat pump and cooling tower.Also coolant circulation pump is provided with in described cooling water circulation pipeline.
As preferably, described biomass electric power plant cigarette wind waste heat recovery plant also comprises inner loop pipeline, and inner loop pipeline is through sorption type heat pump and water water-to-water heat exchanger.Described inner loop pipeline is also provided with heat circulation pump.Inner loop pipeline carries out heat exchange by the sorption type heat pump on cooling water circulation pipeline and obtains heat energy, then by water water-to-water heat exchanger, the heat energy of acquisition is passed to demineralized water pipeline in the mode of heat exchange.
As preferably, described steam pipework is through steam turbine, and the steam Transportation produced by steam turbine is to condenser, and heat energy to be passed to the cooling water in cooling water circulation pipeline by steam through condenser after, solidifying water is discharged.
The present invention reclaims biomass electric power plant cigarette wind waste heat by adopting heat pump techniques, has heat energy recycle rate high, the advantage of energy-conserving and environment-protective.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1.
Wherein: 1-steam pipework, 2-cooling water circulation pipeline, 3-flue gas heat exchange pipeline, 4-inner loop pipeline, 5-demineralized water pipeline, 6-flue gas heat-exchange unit, 7-sorption type heat pump, 8-cooling tower, 9-water water-to-water heat exchanger, 10-slag heat exchanger, 11-steam turbine, 12-condenser, 21-cool cycles pond, 22-coolant circulation pump, 31-circulating pump, 41-heat circulation pump, 51-sweet-water tank, 52-control valve, 53-oxygen-eliminating device, 54-feed pump.
Detailed description of the invention
Below in conjunction with accompanying drawing 1 and detailed description of the invention, the present invention is described in further detail:
A kind of biomass electric power plant cigarette wind waste heat recovery plant, as shown in Figure 1, comprises steam pipework 1, cooling water circulation pipeline 2, flue gas heat exchange pipeline 3, inner loop pipeline 4 and demineralized water pipeline 5.
Described steam pipework 1 connects steam turbine 11 and condenser 12; Cooling water circulation pipeline 2, from cool cycles pond 21, gets back to cool cycles pond 21 after condenser 12, sorption type heat pump 7 and cooling tower 8.The steam Transportation that steam turbine 11 produces is to condenser 12, heat energy to be passed to the cooling water in cooling water circulation pipeline 2 by steam through condenser 12, in sorption type heat pump 7, carry out heat exchange through sorption type heat pump 7 with the cooling water of heat energy with inner loop pipeline 4, heat energy is passed to demineralized water pipeline 5 by water water-to-water heat exchanger 9 by inner loop pipeline 4.
Cooling water circulation pipeline 2 is also through cooling tower 8, and cooling tower 8 is arranged between sorption type heat pump 7 and water water-to-water heat exchanger 9.By arranging cooling tower 8, the cooling water through sorption type heat pump 7 can be cooled further, and cool cycles pond 21 is delivered in transmission.Cooling water circulation pipeline 2 is provided with coolant circulation pump 22, and coolant circulation pump 22 is arranged between cool cycles pond 21 and condenser 12.Cooling water circulation pipeline 2, successively through sorption type heat pump 7, cooling tower 8, discharges heat energy at sorption type heat pump 7 place.
Steam pipework 1 through steam turbine 11, the steam Transportation that steam turbine 11 is produced to condenser 12, steam after through condenser 12 heat energy being passed to the cooling water in cooling water circulation pipeline 2 solidifying water discharge.Steam work done in steam turbine that boiler produces, in the cyclic process of this heating agent, need to release a large amount of condensation heat, steam after steam turbine work done enters condenser 12 by steam discharge, in the process of condenser 12 condensation, discharge heat energy and condense into water and after backheat, enter boiler again, now, the cooling water temperature in condenser 12 cooling water circulation pipeline 2 raises.
Described flue gas heat exchange pipeline 3 is provided with flue gas heat-exchange unit 6, after sorption type heat pump 7 heat absorption, gets back to flue gas heat-exchange unit 6.Circulating pump 31 is also provided with in described flue gas heat exchange pipeline.Described flue gas heat exchange pipeline absorbs heat through flue gas heat-exchange unit 6, the water temperature in flue gas heat exchange pipeline 3 is made to reach more than 145 DEG C, and then be connected to sorption type heat pump 7 release heat, and then by the effect of circulating pump, the used heat in flue gas heat exchange pipeline 3 circulation and stress flue gas.Hot water in flue gas heat exchange pipeline 3 carries out heat exchange with inner loop pipeline 4 through sorption type heat pump 7 and in sorption type heat pump 7, and heat energy is passed to demineralized water pipeline 5 by water water-to-water heat exchanger 9 by inner loop pipeline 4.
The present embodiment also comprises inner loop pipeline 4, and inner loop pipeline 4 is through sorption type heat pump 7 and water water-to-water heat exchanger 9.Inner loop pipeline 4 carries out heat exchange by the sorption type heat pump 7 on cooling water circulation pipeline 2 and obtains heat energy, then by water water-to-water heat exchanger 9, the heat energy of acquisition is passed to demineralized water pipeline 5 in the mode of heat exchange.Inner loop pipeline 4 is provided with heat circulation pump 41, and heat circulation pump 41 is arranged between sorption type heat pump 7 and water water-to-water heat exchanger 9.Water in inner loop pipeline 4 is through sorption type heat pump 7, and higher through the cooling water temperature absorbing heat, water temperature reaches about 90 DEG C, then discharges temperature after heat energy through water water-to-water heat exchanger 9 and drops to less than 53 DEG C.
Described demineralized water pipeline 5 connects sweet-water tank 51 and slag heat exchanger 10, after water water-to-water heat exchanger 9, get back to sweet-water tank 51 by demineralized water water return pipeline.Described slag heat exchanger 10 is by the waste heat in the mode recovery boiler waste residue of heat exchange.Demineralized water pipeline 5 is provided with demineralized water pipeline circulating pump, and demineralized water pipeline circulating pump is arranged between water water-to-water heat exchanger 9 and slag heat exchanger 10.Heat energy in demineralized water pipeline 5 is obtained by water water-to-water heat exchanger 9 and slag heat exchanger 10.Demineralized water pipeline 5 water temperature after slag heat exchanger 10 is elevated to 50 DEG C, and then again absorbs heat energy after water water-to-water heat exchanger 9, and water temperature reaches 70 DEG C.
Described demineralized water water return pipeline is also provided with demineralized water water return pipeline control valve 52, be provided with deoxygenation pipeline between water water-to-water heat exchanger 9 and demineralized water water return pipeline control valve 52, deoxygenation pipeline is connected with oxygen-eliminating device 53.Described oxygen-eliminating device 53 passes into boiler feedwater by feed pump 54.When demineralized water water return pipeline control valve 52 is closed, the water in demineralized water pipeline is by being back to sweet-water tank 51 after water water-to-water heat exchanger 9; When demineralized water water return pipeline control valve 52 is opened, the water in demineralized water pipeline by entering oxygen-eliminating device 53 by deoxygenation pipeline after water water-to-water heat exchanger 9, and then enters boiler by feed pump 54.
When water temperature in demineralized water pipeline 5 is increased to after more than 70 DEG C, open demineralized water water return pipeline control valve 52, by delivery to oxygen-eliminating device 53.Water after oxygen-eliminating device 53 processes is connected in flue gas heat-exchange unit 6 by feed pump 54 and heats further, temperature is elevated to more than 105 DEG C, be connected to boiler feedwater further, thus the afterheat of slags in power plant is effectively recycled, there is heat energy recycle rate high, the advantage of energy-conserving and environment-protective.
Above biomass electric power plant cigarette wind waste heat recovery plant provided by the present invention is described in detail, for one of ordinary skill in the art, according to the thought of the embodiment of the present invention, all will change in specific embodiments and applications, respective change can be done according to actual needs.In sum, this description should not be construed as limitation of the present invention.
Claims (5)
1. a biomass electric power plant cigarette wind waste heat recovery plant, comprise steam pipework (1), cooling water circulation pipeline (2), demineralized water pipeline (5), it is characterized in that: also comprise flue gas heat exchange pipeline (3), described flue gas heat exchange pipeline (3) is provided with flue gas heat-exchange unit (6), absorb after heat through sorption type heat pump (7), get back to flue gas heat-exchange unit (6) by circulating pump (31), described demineralized water pipeline (5) comprises sweet-water tank (51) and slag heat exchanger (10), sweet-water tank (51) is got back to by demineralized water water return pipeline after water water-to-water heat exchanger (9), described demineralized water water return pipeline is provided with demineralized water water return pipeline control valve (52), deoxygenation pipeline is provided with between water water-to-water heat exchanger (9) and demineralized water water return pipeline control valve (52), deoxygenation pipeline is connected with oxygen-eliminating device (53), described oxygen-eliminating device (53) is connected to flue gas heat-exchange unit (6) by feed pump (54), and then be connected to boiler water feeding.
2. biomass electric power plant cigarette wind waste heat recovery plant according to claim 1, it is characterized in that: described cooling water circulation pipeline (2), from cool cycles pond (21), gets back to cool cycles pond (21) after coolant circulation pump (22), condenser (12), sorption type heat pump (7) and cooling tower (8).
3. biomass electric power plant cigarette wind waste heat recovery plant according to claim 1, it is characterized in that: also comprise inner loop pipeline (4), inner loop pipeline (4) is through sorption type heat pump (7) and water water-to-water heat exchanger (9).
4. biomass electric power plant cigarette wind waste heat recovery plant according to claim 1, is characterized in that: described steam pipework (1) connects steam turbine (11) and condenser (12); Steam pipework (1) is through steam turbine (11), the steam Transportation that steam turbine (11) is produced to condenser (12), steam after through condenser (12) heat energy being passed to the cooling water in cooling water circulation pipeline (2) solidifying water discharge.
5. biomass electric power plant cigarette wind waste heat recovery plant according to claim 3, is characterized in that: described inner loop pipeline (4) is provided with heat circulation pump (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210583021.1A CN103017140B (en) | 2012-12-25 | 2012-12-25 | Biomass electric power plant cigarette wind waste heat recovery plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210583021.1A CN103017140B (en) | 2012-12-25 | 2012-12-25 | Biomass electric power plant cigarette wind waste heat recovery plant |
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| CN103017140A CN103017140A (en) | 2013-04-03 |
| CN103017140B true CN103017140B (en) | 2016-01-06 |
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| CN201210583021.1A Expired - Fee Related CN103017140B (en) | 2012-12-25 | 2012-12-25 | Biomass electric power plant cigarette wind waste heat recovery plant |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103471421B (en) * | 2013-08-29 | 2015-08-26 | 苏州科特环保设备有限公司 | Device for recovering waste heat of high-temperature flue and exhaust heat recovering method thereof |
| CN104848709A (en) * | 2014-02-19 | 2015-08-19 | 王建国 | Process system capable of improving heat efficiency of generator set |
| TWI586798B (en) * | 2016-01-05 | 2017-06-11 | China Steel Corp | Material Heating System for Continuous Carbonization Process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1414288A (en) * | 2001-10-22 | 2003-04-30 | 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 |
| CN101726110A (en) * | 2009-11-20 | 2010-06-09 | 清华大学 | Heatpump type gas-fired boiler waste heat recovery unit |
| CN201706478U (en) * | 2010-02-10 | 2011-01-12 | 同方川崎空调设备有限公司 | Heat-recovering type demineralized water heating system |
| CN102374692A (en) * | 2011-09-29 | 2012-03-14 | 浙江工商大学 | Power-plant waste-heat recovering device |
| CN203024480U (en) * | 2012-12-25 | 2013-06-26 | 李同强 | Heat recovery unit for recovering flue gas and air waste heat of biomass power plant |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9188027B2 (en) * | 2010-01-28 | 2015-11-17 | Ebara Corporation | Recovery system using fluid coupling on power generating system |
| CN102425954A (en) * | 2011-12-09 | 2012-04-25 | 昆明理工大学 | Blast furnace slag and slag flushing water waste heat organic working medium supercritical generating system |
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- 2012-12-25 CN CN201210583021.1A patent/CN103017140B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1414288A (en) * | 2001-10-22 | 2003-04-30 | 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 |
| CN101726110A (en) * | 2009-11-20 | 2010-06-09 | 清华大学 | Heatpump type gas-fired boiler waste heat recovery unit |
| CN201706478U (en) * | 2010-02-10 | 2011-01-12 | 同方川崎空调设备有限公司 | Heat-recovering type demineralized water heating system |
| CN102374692A (en) * | 2011-09-29 | 2012-03-14 | 浙江工商大学 | Power-plant waste-heat recovering device |
| CN203024480U (en) * | 2012-12-25 | 2013-06-26 | 李同强 | Heat recovery unit for recovering flue gas and air waste heat of biomass power plant |
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Inventor after: Li Tongqiang Inventor after: Zhang Xinbo Inventor before: Li Tongqiang |
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Granted publication date: 20160106 Termination date: 20161225 |