CN1811303A - Single-effect heat pump/double-effect cooling absorption set and combined heat, electricity and cold supply system - Google Patents
Single-effect heat pump/double-effect cooling absorption set and combined heat, electricity and cold supply system Download PDFInfo
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- CN1811303A CN1811303A CNA2006100424593A CN200610042459A CN1811303A CN 1811303 A CN1811303 A CN 1811303A CN A2006100424593 A CNA2006100424593 A CN A2006100424593A CN 200610042459 A CN200610042459 A CN 200610042459A CN 1811303 A CN1811303 A CN 1811303A
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- 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
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- 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]
- Y02B30/62—Absorption based systems
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- 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
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Abstract
The present invention provides a single-effect heat pump/double-effect cooling absorption set and a combined heat, electricity and cold supply system, and belongs to the field of afterheat utilizing and refrigerating technology. The integrated single-effect heat pump/double-effect cooling absorption set is mounted in a thermal power plant, and the exhaust of the steam turbine is connected to the high pressure generator of the integrated set and used as the driving energy for heating and refrigerating. The integrated single-effect heat pump/double-effect cooling absorption set operates either in single-effect heat pump mode for heating in winter or in double-effect cooling mode for refrigerating in summer. The present invention has the comprehensive advantages of saving in energy, low power consumption, being environment friendly, etc.
Description
Technical field:
The invention belongs to UTILIZATION OF VESIDUAL HEAT IN and refrigeration technology field in the Thermal Energy and Power Engineering.
Background technology:
Heat, electricity, cold coproduction are relatively reasonably with can mode, wherein, utilize extracted steam from turbine to produce high-temperature water through heat exchanger and carry out Winter heat supply and central heating, and utilize to draw gas and drive Absorption Refrigerator to carry out the summer refrigeration be the most common technical scheme.In heat supply and the central heating,, need to adopt the heating circulation water for heating that draws gas in the winter time than high parameter in order to carry at a distance; In order to reduce the caliber of circulation water for heating, confession, the backwater temperature difference of circulation water for heating are bigger, can adopt energy-conservation means in wherein.In summer cooling and central cooling, reasonably technology is to adopt extracted steam from turbine to drive Absorption Refrigerator, produces water at low temperature and carries out cooling.
Adopt single-effective absorption heat pump (heat that like this can the output higher temperature, obtain high energy-saving benefit), utilize the power plant recirculated cooling water to do the waste heat source, extracted steam from turbine is made drive energy, carry out heat supply or combine with central heating, finish part or all of heat supply, can reach good energy-saving benefit and environmental benefit; Utilize summer extracted steam from turbine to drive refrigeration machine cooling or central cooling, adopt economic benefits and social benefits or multiple-effect unit can reduce the extracted steam from turbine consumption, meet the principle of cascaded utilization of energy, realize the low energy consumption refrigeration.
Drive in the cooling at existing power plant extraction for heat supply and steam-extracting type, do not see to have both are combined in equipment and system, utilize single unit to realize heat pump heat supply in winter, summer economic benefits and social benefits or the technology of multiple-effect refrigeration simultaneously.
Summary of the invention:
The objective of the invention is to provide the combined cooling, heat and power System of a kind of employing single-action heat pump/double (or multiple-effect) cooling absorption unit.
The object of the present invention is achieved like this: set up single-action heat pump/double (or multiple-effect) refrigerating all-in-one machine group in Thermal Power Station, the structure of this single-action heat pump/double cooling absorption one unit is: high pressure generator is connected respectively to low pressure generator and condenser by pipeline, low pressure generator also links to each other with condenser, condenser is connected with evaporimeter by choke valve, the evaporator outlet pipeline is connected to high pressure generator and/or connects low pressure generator through absorber, high pressure generator connects thermal source and coagulates water heat exchanger, enter height according to weak solution, the mode difference of low pressure generator can be formed serial flow, flow process in parallel, the connection in series-parallel flow process, fall serial flow; Set up the number of low pressure generator, can obtain triple effect and above cooling flow, realize single-action heat pump/multiple-effect cooling flow.The power plant extracted steam from turbine is connected to the high pressure generator of one unit, heats or driving energy when freezing as unit.When Winter heat supply, unit is by single-action heat pump mode operation, and promptly the part cooling water in power plant connects the evaporimeter of one unit as the waste heat source, is heated water and is connected to the external heat supply that raises of absorber and condenser heat absorption back temperature; Summer is when freezing, unit moves according to economic benefits and social benefits (or multiple-effect) refrigeration mode, be power plant part cooling water connects the one unit as the unit cooling medium absorber and condenser, temperature raises to connect again and enters cooling tower cooling (also other cooling system can be set) after the heat absorption, and cold fluid connects evaporimeter external cooling after lowering the temperature of one unit.
More existing steam-extracting type heat supply and cooling, this technical scheme have been accomplished a cover unit, two kinds of purposes, under heat supply and two kinds of situations of refrigeration, have energy-conservation and effect low energy consumption.The dual-purpose unit of single-action heat pump/refrigerating relatively, because dual-effect refrigeration generally can be saved 1/3 draw gas (multiple-effect refrigeration steam consumption is lower) than the single-action refrigeration, the present invention has better energy-saving benefit.Economic benefits and social benefits in summer (or multiple-effect) the single unit that freezes relatively, having overcome it in the winter time can not be as the shortcoming of energy-efficient heating plant.Relatively single-action source pump heat supply, economic benefits and social benefits (or multiple-effect) unit refrigeration have overcome the deficiency that its equipment is many, investment is big, utilization rate is low.
Description of drawings:
Fig. 1 is the combined cooling, heat and power System schematic flow sheet according to employing single-action heat pump/double provided by the present invention (or multiple-effect) refrigerating all-in-one machine group.
Fig. 2 is according to the heat pump heat supply unit schematic flow sheet according to the operation of single-action heat pump mode provided by the present invention.Valve F14, F16 close, and F13, F15 open, and unit moves according to the single-action heat pump mode.
Fig. 3 is according to refrigeration cooling unit and system's indicative flowchart according to the dual-effect refrigeration mode operation provided by the present invention.Valve F13, F15 close, and F14, F16 open, and unit is according to the dual-effect refrigeration mode operation.
Among the figure, I is a power plant Steam Power Circulation exemplary system, and II is single-action heat pump/double (or multiple-effect) refrigerating all-in-one machine group, and III is for being provided with cooling system (selectable option) in addition.The 1-steam boiler, 2-steam turbine, 3-generator, the 4-condenser, 5-power cycle pump, 6-cooling water circulating pump, 7-cooling tower, 8-single-action heat pump/double (or multiple-effect) refrigerating all-in-one machine group, 9-is provided with cooling system circulation pump in addition, and 10-is provided with cooling device in addition, the 11-high pressure generator, the 12-low pressure generator, the 13-condenser, 14-evaporimeter, 15-absorber, the 16-choke valve, 17,18-solution heat exchanger, 19-coagulate water-to-water heat exchanger (option), 20-refrigerant pump, 21-solution recirculation pump, the 22-solution pump.
The specific embodiment:
With single-action heat pump/double refrigeration unit and system, describe the present invention in conjunction with the accompanying drawings in detail below.
As shown in Figure 1, power plant steam turbine 2 draws gas, and the high pressure generator 11 that enters one unit 8 heats as unit or the driving energy when freezing.In the winter time during heat supply, unit is by the operation of single-action heat pump mode, as Fig. 2, be the evaporimeter 14 of the part cooling water in power plant as waste heat source connection one unit, unit valve F14, F16 close, and valve F13, F15 open, and are heated water and are connected to the external heat supply that raises of absorber 15 and condenser 13 heat absorption back temperature, valve F1, F2 among Fig. 1, F5, F6 open at this moment, and valve F3, F4, F7, F8 close; Summer is when freezing, unit is according to the dual-effect refrigeration mode operation, as Fig. 3, promptly part cooling water in power plant connects the absorber 15 and the condenser 13 of one unit as the unit cooling medium, and heat absorption back temperature raises to connect again and enters the cooling tower cooling, unit valve F14, F16 open, valve F13, F15 close, and cold fluid connects evaporimeter 14 externally cooling, valve F3, the F4 among Fig. 1, F7, F8 unlatching at this moment after lowering the temperature of one unit, valve F1, F2, F5, F6 close, the external cooling of system.
Summer is when freezing, and the cooling system III that can utilize other setting is as independent cooling system, or cooling system III and thermodynamic cycle cooling system is common as the cooling system that freezes.
Fig. 2 and shown in Figure 3 be according to representative a kind of single-action heat pump (heat pump mode operation) proposed by the invention, economic benefits and social benefits (or multiple-effect) (refrigeration mode operation) the one unit that freezes, enter the mode difference of high and low pressure generator according to weak solution, serial flow, flow process in parallel are arranged, connection in series-parallel flow process, the dissimilar unit such as serial flow that falls again; When increasing the number of low pressure generator, can constitute triple effect and above cooling flow.As the integral type unit, can there be different parts and the combination on the flow process in its inside, also can there be different concrete forms in system on heat supply and cooling, the most basic be that a cover unit is realized heating and the two kinds of situations of freezing under energy-efficient, realize the high efficiency of equipment utilization, reduced initial cost.
Suitably increase the area of Steam Power Circulation condenser, the energy-saving benefit in the time of can improving winter heating, certain variation of the cooling water parameter that causes is to the influence of thermodynamic cycle cooling effect in the time of also can reducing or avoid freeze summer simultaneously.
Utilize present technique realize central heating in winter (or realize central heating part demand for heat) and summer central cooling, can realize: 1. dual-use, reduced construction investment, the utilization rate of equipment and installations height.2. heat supply, the low energy consumption in whole stages of cooling operation have been realized.3. heating, freeze all to adopt to draw gas drives energy, has realized the cascade utilization of energy, and using can be rationally.4. have comprehensive energy-conservation, low consumption, environmental protection, economic advantages.
Claims (4)
1. a single-action heat pump/double or multiple-effect cooling absorption unit and combined cooling, heat and power System, it is characterized in that in Thermal Power Station, setting up single-action heat pump/double or multiple-effect refrigerating all-in-one machine group, the structure of this single-action heat pump/double cooling absorption one unit is: high pressure generator is connected respectively to low pressure generator and condenser by pipeline, low pressure generator also links to each other with condenser, condenser is connected with evaporimeter by choke valve, the evaporator outlet pipeline is connected to high pressure generator and/or connects low pressure generator through absorber, high pressure generator connects thermal source and coagulates water heat exchanger, enter height according to weak solution, the mode difference of low pressure generator can be formed serial flow, flow process in parallel, the connection in series-parallel flow process, fall serial flow; The power plant extracted steam from turbine is connected to the high pressure generator of one unit, heats or driving energy when freezing as unit; When Winter heat supply, unit is by single-action heat pump mode operation, and promptly the part cooling water in power plant connects the evaporimeter of one unit as the waste heat source, is heated water and is connected to the external heat supply that raises of absorber and condenser heat absorption back temperature; Summer is when freezing, unit is according to the dual-effect refrigeration mode operation, being power plant part cooling water connects the absorber and the condenser of one unit as the unit cooling medium, and heat absorption back temperature raises to connect again and enters the cooling tower cooling, and cold fluid connects evaporimeter external cooling through lowering the temperature after of one unit.
2. combined cooling, heat and power System according to claim 1 is characterized in that said Thermal Power Station is meant the system that adopts steam to drive steam turbine power generation, comprises steam heat force generating system in the nuclear power station.
3. combined cooling, heat and power System according to claim 1 is characterized in that the multiple-effect in said single-action heat pump/multiple-effect refrigerating all-in-one machine group is meant absorption refrigeration flow process and the structure that comprises triple effect and above structure thereof.
4. combined cooling, heat and power System according to claim 1 is characterized in that when freeze said summer independent cooling system being set, and this cooling system also can be united use with the thermodynamic cycle cooling water system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100424593A CN1811303A (en) | 2006-02-18 | 2006-02-18 | Single-effect heat pump/double-effect cooling absorption set and combined heat, electricity and cold supply system |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2006100424593A CN1811303A (en) | 2006-02-18 | 2006-02-18 | Single-effect heat pump/double-effect cooling absorption set and combined heat, electricity and cold supply system |
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| CN1811303A true CN1811303A (en) | 2006-08-02 |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100400969C (en) * | 2006-09-06 | 2008-07-09 | 清华大学 | Heating system of water source heat pump by using remaining heat of condensed steam from power plant |
| CN101832686A (en) * | 2010-05-28 | 2010-09-15 | 浙江大学 | Multifunctional cold and heat combined supply heat pump system |
| CN101846416A (en) * | 2010-04-29 | 2010-09-29 | 华北电力大学 | System and method for realizing area combined cooling heat by cogeneration coupling heat pump |
| CN101949612A (en) * | 2010-08-27 | 2011-01-19 | 清华大学 | Cooling mode driven by utilizing urban heat supply network |
| CN102434998A (en) * | 2011-09-16 | 2012-05-02 | 哈尔滨工业大学 | Combined cycling system for concentrated cooling improvement in thermal power plant |
| CN102721094A (en) * | 2012-06-14 | 2012-10-10 | 华电电力科学研究院 | Heating system for recycling waste heat of open circulating water in power plant |
| CN102797523A (en) * | 2012-08-16 | 2012-11-28 | 中国核电工程有限公司 | Bleeder steam and exhaust steam comprehensive utilization method for nuclear turbine |
| CN103075841A (en) * | 2013-01-11 | 2013-05-01 | 杭州能源投资管理有限公司 | Novel low-temperature combined cooling, heating and power (CCHP) system based on heat pump |
| CN103090441A (en) * | 2011-11-02 | 2013-05-08 | 同方节能工程技术有限公司 | Low vacuum heating supply system of thermoelectric plant |
| CN104165477A (en) * | 2013-07-30 | 2014-11-26 | 李华玉 | Combined heating and power system, combined cooling and power system and dual-purpose combined heat and power and cooling and power system |
| CN104180557A (en) * | 2013-07-30 | 2014-12-03 | 李华玉 | Combined heat power system, combined cooling power system and combined heat-cooling power dual-purpose system |
| CN104654658A (en) * | 2014-01-27 | 2015-05-27 | 李华玉 | Combined thermal dynamic system |
| CN104654653A (en) * | 2014-01-27 | 2015-05-27 | 李华玉 | Combined thermal dynamic system |
| CN104748439A (en) * | 2014-01-27 | 2015-07-01 | 李华玉 | Heat and power combined supplying system |
| CN117365696A (en) * | 2023-10-27 | 2024-01-09 | 仟亿达集团股份有限公司 | Multi-energy complementary co-production co-supply process system |
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- 2006-02-18 CN CNA2006100424593A patent/CN1811303A/en active Pending
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100400969C (en) * | 2006-09-06 | 2008-07-09 | 清华大学 | Heating system of water source heat pump by using remaining heat of condensed steam from power plant |
| CN101846416A (en) * | 2010-04-29 | 2010-09-29 | 华北电力大学 | System and method for realizing area combined cooling heat by cogeneration coupling heat pump |
| CN101832686A (en) * | 2010-05-28 | 2010-09-15 | 浙江大学 | Multifunctional cold and heat combined supply heat pump system |
| CN101949612A (en) * | 2010-08-27 | 2011-01-19 | 清华大学 | Cooling mode driven by utilizing urban heat supply network |
| CN101949612B (en) * | 2010-08-27 | 2012-11-14 | 清华大学 | Cooling mode driven by utilizing urban heat supply network |
| CN102434998A (en) * | 2011-09-16 | 2012-05-02 | 哈尔滨工业大学 | Combined cycling system for concentrated cooling improvement in thermal power plant |
| CN103090441A (en) * | 2011-11-02 | 2013-05-08 | 同方节能工程技术有限公司 | Low vacuum heating supply system of thermoelectric plant |
| CN102721094A (en) * | 2012-06-14 | 2012-10-10 | 华电电力科学研究院 | Heating system for recycling waste heat of open circulating water in power plant |
| CN102797523A (en) * | 2012-08-16 | 2012-11-28 | 中国核电工程有限公司 | Bleeder steam and exhaust steam comprehensive utilization method for nuclear turbine |
| CN103075841B (en) * | 2013-01-11 | 2015-09-02 | 杭州能源投资管理有限公司 | Based on heat pump new type low temperature combined cooling, heat and power System |
| CN103075841A (en) * | 2013-01-11 | 2013-05-01 | 杭州能源投资管理有限公司 | Novel low-temperature combined cooling, heating and power (CCHP) system based on heat pump |
| CN104165477A (en) * | 2013-07-30 | 2014-11-26 | 李华玉 | Combined heating and power system, combined cooling and power system and dual-purpose combined heat and power and cooling and power system |
| WO2015014099A1 (en) * | 2013-07-30 | 2015-02-05 | Li Huayu | Combined heat and power, combined cooling and power, and dual-use combined heat and power-combined cooling and power systems |
| WO2015014098A1 (en) * | 2013-07-30 | 2015-02-05 | Li Huayu | Combined heating/power system, combined cooling/power system, and dual-use combined heating/power and cooling/power system |
| CN104180557A (en) * | 2013-07-30 | 2014-12-03 | 李华玉 | Combined heat power system, combined cooling power system and combined heat-cooling power dual-purpose system |
| CN104180557B (en) * | 2013-07-30 | 2017-07-21 | 李华玉 | Cogeneration, combined cooling and power and the dual-purpose co-feeding system of thermoelectric cold electricity |
| CN104654658A (en) * | 2014-01-27 | 2015-05-27 | 李华玉 | Combined thermal dynamic system |
| CN104654653A (en) * | 2014-01-27 | 2015-05-27 | 李华玉 | Combined thermal dynamic system |
| CN104748439A (en) * | 2014-01-27 | 2015-07-01 | 李华玉 | Heat and power combined supplying system |
| CN104748439B (en) * | 2014-01-27 | 2017-07-21 | 李华玉 | The dynamic co-feeding system of heat |
| CN104654658B (en) * | 2014-01-27 | 2017-07-21 | 李华玉 | The dynamic co-feeding system of heat |
| CN117365696A (en) * | 2023-10-27 | 2024-01-09 | 仟亿达集团股份有限公司 | Multi-energy complementary co-production co-supply process system |
| CN117365696B (en) * | 2023-10-27 | 2024-06-11 | 仟亿达集团股份有限公司 | Multi-energy complementary co-production co-supply process system |
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