CN105180502B - A kind of heat pump and cogeneration cooling heating system - Google Patents
A kind of heat pump and cogeneration cooling heating system Download PDFInfo
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- CN105180502B CN105180502B CN201510625776.7A CN201510625776A CN105180502B CN 105180502 B CN105180502 B CN 105180502B CN 201510625776 A CN201510625776 A CN 201510625776A CN 105180502 B CN105180502 B CN 105180502B
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- flue gas
- internal combustion
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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
- 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]
- Y02B30/62—Absorption based systems
- Y02B30/625—Absorption based systems combined with heat or power generation [CHP], e.g. trigeneration
-
- 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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- Sorption Type Refrigeration Machines (AREA)
Abstract
The invention discloses a kind of heat pump and cogeneration cooling heating system,Including gas internal combustion electric generator group and fume hot-water Direct-fired LiBr Absorption Refrigerating Unit group,Also include the cooling water tank and flue gas triple valve between gas internal combustion electric generator group and fume hot-water Direct-fired LiBr Absorption Refrigerating Unit group,Fume hot-water Direct-fired LiBr Absorption Refrigerating Unit group makes air conditioning hot or cold water using the jacket water and flue gas of gas internal combustion electric generator group,Flue gas triple valve includes the interconnected port of flue gas first,The port of flue gas second and flue gas third connectivity mouth,The port of flue gas first connects the smoke chamber exhaust opening of gas internal combustion electric generator group by flue,The port of flue gas second connects the smoke inlet of fume hot-water Direct-fired LiBr Absorption Refrigerating Unit group by flue,Flue gas third connectivity mouth passes through flue communication chamber trunk of funnel,Fume hot-water Direct-fired LiBr Absorption Refrigerating Unit group is also associated with outside and cooling tower,The present invention is simple in construction,Comprehensive utilization of energy rate is high.
Description
Technical field
The present invention relates to technical field of energy utilization, and in particular to a kind of heat pump and cogeneration cooling heating system.
Background technology
CCHP（CCHP）Be it is a kind of foundation on the cascade utilization conceptual foundation of the energy, will refrigeration, heat supply（Heating
And supplying hot water）And the Poly-generation supply system of power generation process integration, it is therefore intended that improve efficiency of energy utilization, reduce carbide
And the discharge of pernicious gas.Typical cogeneration cooling heating system includes power and electricity generation system and waste heat recovery cooling/hot systems,
Generating equipment mainly selects gas turbine or internal combustion engine, cogeneration cooling heating system be the energy realize cascade utilization have efficacious prescriptions
Formula, the utilization rate of the energy is set to improve 20-30%.
The schematic diagram of existing more perfect cogeneration cooling heating system as shown in Figure 1, mainly including engine, generate electricity
Machine, cooling water tank, plate type heat exchanger and waste heat direct combustion unit, fuel provide the energy and promote engine to operate, generated electricity so as to drive
Machine is generated electricity, and produces electric load, and carrying out recovery to caused high-temperature flue gas, high temperature jacket water in its power generation process adopts
Collection, using waste heat direct combustion unit and plate type heat exchanger, produce cooling load, heating load.But this mode is for using plate
The COP efficiency values that formula heat exchanger recovery high temperature jacket water heat carries out heating are still more relatively low with respect to for heat pump techniques, comprehensive
The rising space can also be had by closing energy utilization rate.
The content of the invention
To solve the above problems, the invention discloses a kind of heat pump and cogeneration cooling heating system, high-temperature flue gas and cylinder are utilized
Set water produces idle call cold water and hot water, simple in construction, comprehensive utilization of energy rate height as driving heat source.
A kind of heat pump and cogeneration cooling heating system, including gas internal combustion electric generator group and fume hot-water direct combustion type lithium bromide are inhaled
Receipts formula refrigeration unit, between the gas internal combustion electric generator group and fume hot-water Direct-fired LiBr Absorption Refrigerating Unit group respectively
Cooling water tank, flue gas triple valve and pump are connected with, the fume hot-water Direct-fired LiBr Absorption Refrigerating Unit group utilizes combustion gas
The jacket water and flue gas of internal combustion engine generator group make air conditioning hot or cold water, and the flue gas triple valve includes interconnected flue gas
First port, the port of flue gas second and flue gas third connectivity mouth, the port of flue gas first connect combustion gas internal combustion by flue and generated electricity
The smoke chamber exhaust opening of unit, the port of flue gas second connect fume hot-water Direct-fired LiBr Absorption Refrigerating Unit by flue
The smoke inlet of group, the flue gas third connectivity mouth is by flue communication chamber trunk of funnel, and the jacket water is by pump in combustion gas internal combustion
Generating set and the circulation of fume hot-water Direct-fired LiBr Absorption Refrigerating Unit group, the fume hot-water direct combustion type lithium bromide absorption
Formula refrigeration unit is also associated with outside and cooling tower.
As a further improvement on the present invention, the cooling water tank and fume hot-water Direct-fired LiBr Absorption Refrigerating Unit
Three-way control valve is provided between group, the three-way control valve includes interconnected the first port, the second port and third connectivity mouth,
First port passes through the cylinder sleeve of pipeline communication gas internal combustion electric generator group, the second port connection fume hot-water direct combustion type
The hot water outlet of lithium bromide absorption refrigerating set, the entrance of the third connectivity mouth connection cooling water tank.
As a further improvement on the present invention, the cooling water tank and fume hot-water Direct-fired LiBr Absorption Refrigerating Unit
It is connected with jacket water plate between group to change, the jacket water plate is changed including primary side and secondary side, and the primary side changes provided with plate
First port and plate change the second port, and the plate changes the first port and is connected to cooling water tank water inlet, and the plate changes the second port
Gas internal combustion electric generator group cylinder sleeve delivery port is connected to, the pump drives the jacket water of circulating gas internal combustion engine generator group；It is described
Secondary side changes third connectivity mouth provided with plate and plate changes the 4th port, and the plate changes third connectivity mouth and is connected to chilled water feed pipe, institute
State plate and change the 4th port and be connected to chilled water return pipe.
Compared with prior art, the invention has the advantages that and beneficial effect：Fume hot-water direct combustion type lithium bromide absorption
Formula refrigeration unit is freezed and heated using the jacket water in gas internal combustion electric generator group and caused high-temperature flue gas, structure letter
Single, utilization rate height；Jacket water reusable edible, save the energy.
Brief description of the drawings
Fig. 1 is prior art fundamental diagram.
Fig. 2 is the System Working Principle figure of the present invention.
Fig. 3 is workflow diagram of the system in summer in the present invention.
Fig. 4 be the present invention in system in the winter time in workflow diagram.
Fig. 5 is the structural representation that middle cylinder cage plate of the present invention changes.
Embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated, it should be understood that following embodiments are only
For illustrating the present invention rather than limitation the scope of the present invention.It should be noted that the word " preceding " used below in description,
" rear ", "left", "right", "up" and "down" refer to the direction in accompanying drawing, and word " interior " and " outer " refer respectively to direction or remote
From the direction of particular elements geometric center.
The overall work principle of the present invention is as shown in Fig. 2 the natural gas offer energy is sent out for gas internal combustion electric generator group
Electricity, produce electric load；High-temperature flue gas and high temperature jacket water in power generation process are then by fume hot-water direct combustion type lithium bromide absorption
The collection of formula refrigeration unit utilizes, and summer produces the air conditioning water needed for air-conditioning；Winter is then by fume hot-water direct combustion type lithium bromide
Absorption refrigeration unit switches to heat pump mode, is changed using jacket water plate and produces out heat pump low-grade heat source, recycles high temperature cigarette
The high-grade thermal source of gas is as driving heat source, and winter produces the air-conditioning heating water needed for air-conditioning under heat pump working condition, now heat pump
Operating mode COP efficiency reaches 1.7.Two sets of embodiments are specifically included, one is applied to summer, and one is applied to winter.
Embodiment 1
The present embodiment is situation of the technology of the present invention in summer, as shown in figure 3, including gas internal combustion electric generator group 31,
Fume hot-water Direct-fired LiBr Absorption Refrigerating Unit group 32, pump 33, three-way control valve 34, cooling water tank 35, flue gas triple valve
36 and cooling tower 37.Wherein three-way control valve 34 includes interconnected the first port, the second port and third connectivity mouth, and first is logical
Mouth passes through the cylinder sleeve of pipeline communication gas internal combustion electric generator group 31, the second port connection fume hot-water direct-burning type lithium bromide absorption type
The hot water outlet of refrigeration unit 32, third connectivity mouth connect the entrance of cooling water tank 35.Flue gas triple valve 36 includes what is be interconnected
The port of flue gas first, the port of flue gas second and flue gas third connectivity mouth, the port of flue gas first connect combustion gas internal combustion by flue and generated electricity
The smoke chamber exhaust opening of unit 31, the port of flue gas second connect fume hot-water Direct-fired LiBr Absorption Refrigerating Unit group by flue
32 smoke inlet, by flue communication chamber trunk of funnel, pump 33 is used to drive cylinder sleeve water lines to circulate flue gas third connectivity mouth.
Gas internal combustion electric generator group 31 is generated electricity using natural gas energy resource, produces electric load；Wherein caused high temperature
Flue gas enters fume hot-water Direct-fired LiBr Absorption Refrigerating Unit group 32 by flue gas triple valve 36, according to end load demand
Exhaust gas volumn of the control into refrigeration unit；Similarly caused jacket water enters system by the valve opening control of three-way control valve 34
The cylinder sleeve water of cold group；Fume hot-water Direct-fired LiBr Absorption Refrigerating Unit group 32 utilizes the heat of high-temperature flue gas and jacket water
Amount is freezed, and produces the air conditioner cold water that summer air-conditioning uses.The effect of both triple valves is entered according to end with energy demand
Row controls to adjust high-temperature flue gas and jacket water enters the exhaust gas volumn and water of refrigeration unit, and jacket water is carried out by cooling water tank 35
Cooling down processing, ensures back that the temperature of the cylinder sleeve of gas internal combustion electric generator group 31 reaches unit requirement, such jacket water is in pump 33
Recycled under driving.
Embodiment 2
The present embodiment be the technology of the present invention in the winter time when situation, as shown in figure 4, including gas internal combustion electric generator group 31,
Fume hot-water Direct-fired LiBr Absorption Refrigerating Unit group 32, pump 33, jacket water plate change 44, cooling water tank 35, flue gas triple valve
36.Now fume hot-water Direct-fired LiBr Absorption Refrigerating Unit group 32 has switched to heat pump working condition pattern；Combustion gas internal combustion generates electricity
The caused jacket water in power generation process of unit 31 changes 44 using jacket water plate and exchanged heat, and produces the low level heat needed for heat pump
Source.
Jacket water plate changes 44 connections and is arranged between the cylinder sleeve of gas internal combustion electric generator group 31 and cooling water tank 35, such as Fig. 5
Shown, including primary side 501 and secondary side 502, first port 51 is the water return outlet of jacket water on primary side 501, is connected to
The water inlet of cooling water tank 35；The second port 52 on primary side 501 is the feed water inlet of jacket water, is connected to the generating of combustion gas internal combustion
The cylinder sleeve delivery port of unit 31；The jacket water of circulating gas internal combustion engine generator group 41 is driven by pump 33.Threeway on secondary side 502
Mouth 53 is the water return outlet of low level heat energy, is connected with the chilled water feed pipe of refrigeration unit；The 4th port 54 is low on secondary side 502
The feed water inlet of position thermal source, is connected with the chilled water return pipe of refrigeration unit；Driven and followed using pump of refrigeration unit original chilled water
Ring low level heat energy pipeline.
Under heat pump working condition, high-temperature flue gas caused by gas internal combustion electric generator group 31, it is controlled by flue gas triple valve 36
Regulation, into fume hot-water Direct-fired LiBr Absorption Refrigerating Unit group 32, absorption type heat pump assembly is made using high-temperature flue gas
For high-order thermal source（Driving heat source）, while the heat for the low level heat energy that jacket water is produced is absorbed, finally producing out winter air-conditioning makes
Air-conditioning heating water.As shown in figure 4, former cooling water mouth is connected to the heating water feed pipe produced under heat pump working condition, it is former
Cooling water water return outlet is connected to the heating water return pipe produced under heat pump working condition, and the refrigeration unit in this implementation leads to cooling tower
Valve is closure on pipeline.The improved plan technology switches fume hot-water Direct-fired LiBr Absorption Refrigerating Unit group 32
Into heat pump working condition, by the use of jacket water produces tow taste heat, high-temperature flue gas produces air-conditioning heating water, COP values as driving heat source
Up to 1.7.
Technological means disclosed in the present invention program is not limited only to the technological means disclosed in above-mentioned technological means, in addition to
Formed technical scheme is combined by above technical characteristic.
Claims (1)
1. a kind of heat pump and cogeneration cooling heating system, including gas internal combustion electric generator group and fume hot-water direct combustion type lithium bromide absorption
Formula refrigeration unit, it is characterised in that：The gas internal combustion electric generator group and fume hot-water Direct-fired LiBr Absorption Refrigerating Unit
Cooling water tank, flue gas triple valve and pump, the fume hot-water Direct-fired LiBr Absorption Refrigerating Unit are connected between group
Group makes air conditioning hot or cold water using the jacket water and flue gas of gas internal combustion electric generator group, and the flue gas triple valve includes mutual
The port of flue gas first, the port of flue gas second and the flue gas third connectivity mouth of connection, the port of flue gas first is connected by flue to be fired
The smoke chamber exhaust opening of gas internal combustion engine generator group, the port of flue gas second connect fume hot-water direct combustion type lithium bromide by flue and inhaled
The smoke inlet of receipts formula refrigeration unit, the flue gas third connectivity mouth pass through pump by flue communication chamber trunk of funnel, the jacket water
Circulated in gas internal combustion electric generator group and fume hot-water Direct-fired LiBr Absorption Refrigerating Unit group, the fume hot-water direct combustion type
Cooling tower, the cooling water tank and fume hot-water direct-burning type lithium bromide absorption type are also associated with outside lithium bromide absorption refrigerating set
It is connected with jacket water plate between refrigeration unit to change, the jacket water plate is changed including primary side and secondary side, is set on the primary side
Have that plate changes the first port and plate changes the second port, the plate changes the first port and is connected to cooling water tank water inlet, and the plate changes
Two ports are connected to gas internal combustion electric generator group cylinder sleeve delivery port, and the pump drives the cylinder sleeve of circulating gas internal combustion engine generator group
Water；The secondary side changes third connectivity mouth provided with plate and plate changes the 4th port, and the plate changes third connectivity mouth and is connected to chilled water confession
Water pipe, the plate change the 4th port and are connected to chilled water return pipe, and the cooling water tank is inhaled with fume hot-water direct combustion type lithium bromide
Three-way control valve is provided between receipts formula refrigeration unit, the three-way control valve includes the first interconnected port, the second port
And third connectivity mouth, first port pass through the cylinder sleeve of pipeline communication gas internal combustion electric generator group, the second port connection cigarette
The hot water outlet of gas hot-water direct-fired lithium bromide absorption type refrigeration unit, the entrance of the third connectivity mouth connection cooling water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510625776.7A CN105180502B (en) | 2015-09-28 | 2015-09-28 | A kind of heat pump and cogeneration cooling heating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510625776.7A CN105180502B (en) | 2015-09-28 | 2015-09-28 | A kind of heat pump and cogeneration cooling heating system |
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| CN105180502A CN105180502A (en) | 2015-12-23 |
| CN105180502B true CN105180502B (en) | 2017-12-12 |
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| CN108443941A (en) * | 2018-03-26 | 2018-08-24 | 东南大学 | A kind of distributed energy island system |
| CN108731490A (en) * | 2018-06-20 | 2018-11-02 | 苏州领跑者能源科技有限公司 | A kind of Novel flue gas waste heat circulation recovery system and method |
| CN110220210A (en) * | 2019-03-15 | 2019-09-10 | 华电电力科学研究院有限公司 | A kind of the distributed energy afterheat utilizing system and its working method of high efficient and flexible interaction |
| CN111102065B (en) * | 2019-12-13 | 2022-04-19 | 华鼎电源(天津)有限公司 | Integrated gas combined cooling heating and power device and control method thereof |
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| US5255528A (en) * | 1992-06-03 | 1993-10-26 | Kim Dao | Method and apparatus for recuperating waste heat in absorption systems |
| US6003331A (en) * | 1998-03-02 | 1999-12-21 | York International Corporation | Recovery of flue gas energy in a triple-effect absorption refrigeration system |
| CN100458290C (en) * | 2004-01-12 | 2009-02-04 | 张跃 | Apparatus for refrigeration or pyrogenicity or sanitary hot water using generator exhaust or residual heat |
| CN100470169C (en) * | 2007-04-18 | 2009-03-18 | 无锡压缩机股份有限公司 | Small-sized electric cold-warm triple power supply system |
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