CN203962198U - A kind of diesel generator hot and cold water chp system - Google Patents

A kind of diesel generator hot and cold water chp system Download PDF

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Publication number
CN203962198U
CN203962198U CN201420348035.XU CN201420348035U CN203962198U CN 203962198 U CN203962198 U CN 203962198U CN 201420348035 U CN201420348035 U CN 201420348035U CN 203962198 U CN203962198 U CN 203962198U
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China
Prior art keywords
branch road
water
diesel generator
hot
cooling
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Expired - Fee Related
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CN201420348035.XU
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Chinese (zh)
Inventor
张凤鸣
陈顺权
冯东东
徐士鸣
杨伟
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Guangzhou Institute of Advanced Technology of CAS
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Guangzhou Institute of Advanced Technology of CAS
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124Water desalination
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/27Relating to heating, ventilation or air conditioning [HVAC] technologies
    • Y02A30/274Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/14Combined heat and power generation [CHP]
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

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  • Sorption Type Refrigeration Machines (AREA)

Abstract

The utility model discloses a kind of diesel generator hot and cold water chp system, comprise diesel generator, jacket-cooling water residual neat recovering system, seawater desalination system, lithium bromide absorption chiller system and fume afterheat heating system, jacket-cooling water residual neat recovering system comprises the chilled(cooling) water return (CWR) being communicated with the cylinder sleeve of diesel generator and is located at the heat exchanger on chilled(cooling) water return (CWR), seawater desalination system comprises the distiller being communicated with heat exchanger, fume afterheat heating system comprises hot-tub, smoke outlet by diesel generator is drawn exhaust duct, exhaust duct forms the first exhaust branch road in heat hot pond and drives the second exhaust branch road of lithium bromide absorption chiller system.The utility model can be realized the abundant recycling of diesel generator jacket-cooling water and fume afterheat, and system capacity cascade utilization forms the electrical integrated solution of hot and cold water, and system capacity utilization ratio can reach more than 90%.In addition, the output of the adjustable fresh water of native system, hot water, refrigerating capacity, can meet the demand of user's Various Seasonal.

Description

A kind of diesel generator hot and cold water chp system
Technical field
The utility model, for residual heat seawater desalinizing field, particularly relates to a kind of diesel generator hot and cold water chp system.
Background technique
Islands Exploitation, the energy and electric power are problem demanding prompt solutions.On the island away from continent, electrical network cannot cover.Diesel generating set is as a kind of small power generation equipment, means taking diesel oil etc. as fuel, drives the dynamic power machine of generator generating taking diesel engine as prime mover.Because its volume is little, flexible, light, comprehensive, convenient operation and maintenance, island generally powers by diesel generator.
In energy supply today day by day in short supply, how to improve energy utilization rate very crucial.Diesel engine can produce a large amount of hot flue gases in the time of work, and a large amount of heat energy not utilizing, the incomplete utilization of energy when this just causes diesel engine normally to work have been taken away in the directly external discharge of large calorimetric flue gas.In addition, be to ensure the safe operation of cylinder of diesel engine, need to carry out with cooling water coolingly to it, jacket-cooling water also can be with the heat of walking system.In diesel generator when work,, the energy conversion efficiency of fuel oil is very low, 40% mechanical work that is transformed into internal-combustion engine of only having an appointment, and all the other 60% are used heat.Wherein approximately 30% waste heat is taken away by waste gas, and approximately 25% waste heat is taken away by jacket-cooling water, and other waste heat losses account for 5%.For the energy consumption that can utilize waste heat to take away, more existing schemes that realize desalination of sea water or freeze by reclaiming diesel residual heat at present, as application number be 201310322984.0 " control system that a kind of diesel residual heat utilizes " and application number be 201310323087.1 " a kind of diesel residual heat utilizes energy saving device ", make full use of jacket-cooling water waste heat, and then realize island desalination, produce fresh water.
Utilize diesel generator fume afterheat, can drive lithium bromide refrigerating unit, and then realize the supply of refrigerating capacity.In addition, flue gas dump energy can be used for heat supply, as application number be 201310059913.6 " the cold and hot water yield quadri-generation system of smoke heat energy stepped utilization coupling desalination technology ".
But above-mentioned scheme can not be utilized flue gas and jacket water waste heat simultaneously; Jacket-cooling water loop does not have protective measure, can not ensure the trouble free service of diesel generator; Be difficult to realize the cascade utilization of waste heat, and then affect the energy utilization efficiency of system.In addition, the variation in season, the demand difference of user to hot and cold water, but such scheme does not have modulability, and can not be according to the output of user's request and seasonal variations adjustment fresh water, hot water and refrigerating capacity.
Model utility content
For addressing the above problem, the utility model provides one to make full use of diesel generator flue gas and cylinder sleeve waste heat, realizes exhaust heat stepped utilization, can obtain the diesel generator hot and cold water chp system of electric power, fresh water, refrigerating capacity and hot water simultaneously.
The utility model solves the technological scheme that its technical problem adopts: a kind of diesel generator hot and cold water chp system, comprise diesel generator, jacket-cooling water residual neat recovering system, seawater desalination system, lithium bromide absorption chiller system and fume afterheat heating system, described jacket-cooling water residual neat recovering system comprises the chilled(cooling) water return (CWR) being communicated with the cylinder sleeve of described diesel generator and is located at the heat exchanger on described chilled(cooling) water return (CWR), described seawater desalination system comprises the distiller being communicated with described heat exchanger, described fume afterheat heating system comprises hot-tub, smoke outlet by described diesel generator is drawn exhaust duct, described exhaust duct forms the first exhaust branch road of the described hot-tub of heating and drives the second exhaust branch road of lithium bromide absorption chiller system.
Be further used as the improvement of technical solutions of the utility model, described lithium bromide absorption chiller system is in turn connected to form refrigerating circuit by recycle pump, adsorber, vaporizer, first throttle valve, condenser and generator, described generator is located on described the second exhaust branch road, and is connected with described adsorber by the suction line that the second throttle valve is housed.
Be further used as the improvement of technical solutions of the utility model, described the second exhaust branch road is flowed through after lithium bromide absorption chiller system and is entered described hot-tub, continues and described hot-tub heat exchange.
Be further used as the improvement of technical solutions of the utility model, on described the first exhaust branch road and the second exhaust branch road, smoke regulating valve be all housed.
Be further used as the improvement of technical solutions of the utility model, described chilled(cooling) water return (CWR) is divided into the first branch road and the second branch road at the water outlet of cylinder sleeve, described the first branch road is flowed through and is injected the water inlet of cylinder sleeve after described diesel generator cooling itself device, described the second branch road is divided into the 3rd branch road and the 4th branch road through three-way flow regulating valve, described the 3rd branch road is flowed through and is injected the water inlet of cylinder sleeve after described diesel generator cooling itself device, and described the 4th branch road is flowed through and injected the water inlet of cylinder sleeve after described heat exchanger.
Be further used as the improvement of technical solutions of the utility model, on described the first branch road, the second branch road and the 3rd branch road, stop valve be all housed.
Be further used as the improvement of technical solutions of the utility model, described distiller is provided with seawater entrance, concentrated seawater outlet and water outlet, draw and be provided with for the first fresh water branch road of user and the second fresh water branch road of being communicated with described hot-tub by described water outlet, on described the first fresh water branch road and the second fresh water branch road, modulating valve is all housed.
The beneficial effects of the utility model: in this diesel generator hot and cold water chp system, user is supplied with in diesel generator work generating; The jacket-cooling water waste heat producing, as the driving heat source of low temperature multiple-effect distillation seawater desalination system, produces fresh water; A flue gas part for diesel generator enters lithium bromide absorption chiller system, produces refrigerating capacity, meets user's refrigeration demand; Gas energy heat hot pond in another part flue gas and lithium bromide absorption chiller system after cooling, for generation of hot water.
The present invention can realize the abundant recycling of diesel generator jacket-cooling water and fume afterheat by technique scheme, system capacity cascade utilization forms the electrical integrated solution of hot and cold water, and system capacity utilization ratio can reach more than 90%.In addition, the output of the adjustable fresh water of native system, hot water, refrigerating capacity, can meet the demand of user's Various Seasonal.
Brief description of the drawings
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is the utility model example structure schematic diagram.
Embodiment
With reference to Fig. 1, the utility model provides a kind of diesel generator hot and cold water chp system, comprises diesel generator 1, jacket-cooling water residual neat recovering system 2, seawater desalination system 3, lithium bromide absorption chiller system 4 and fume afterheat heating system 5.
Wherein, diesel generator 1 is connected with user load 12 by diesel generation machine controller 11.Diesel oil enters diesel generator 1 burning by fuel filler and drives generator generating, and diesel generation machine controller 11 is for controlling diesel generator 1, and the electricity consumption that electric power changes into power consumer is required to rear output, completes electrical production and use.
Described jacket-cooling water residual neat recovering system 2 comprises the chilled(cooling) water return (CWR) being communicated with the cylinder sleeve of described diesel generator 1 and is located at the heat exchanger 21 on described chilled(cooling) water return (CWR), described chilled(cooling) water return (CWR) is divided into the first branch road and the second branch road at the water outlet of cylinder sleeve, the flow through water inlet of the rear injection cylinder sleeve of described diesel generator 1 cooling itself device 13 of described the first branch road, described the second branch road is through three-way flow regulating valve 22(temperature control three-way flow regulating valve) be divided into the 3rd branch road and the 4th branch road, the flow through water inlet of the rear injection cylinder sleeve of described diesel generator 1 cooling itself device 13 of described the 3rd branch road, the flow through water inlet of the rear injection cylinder sleeve of described heat exchanger 21 of described the 4th branch road.On described the first branch road, the second branch road and the 3rd branch road, stop valve is all housed.
Jacket-cooling water is divided into two branch roads after the water outlet of cylinder sleeve flows out, the radiator 21 that the first branch road flow to diesel generator 1 self through 1# stop valve 23 is as cooling circuit for subsequent use, and jacket-cooling water is flowed through after 1# one-way valve 24 and returned to diesel generator 1 by the water inlet of cylinder sleeve subsequently.The second branch road is connected to three-way flow regulating valve 22(temperature control three-way flow regulating valve through 2# stop valve 25), the flow that regulates jacket-cooling water inflow heat exchanger 21 and diesel generator cooler 13 according to jacket-cooling water temperature conditions, returns to diesel generator 1 by the water inlet of cylinder sleeve after the 2# one-way valve 26 of flowing through afterwards.Jacket-cooling water heat recovery system is connected with seawater desalination system 3 by heat exchanger 21.
Described fume afterheat heating system 5 comprises hot-tub 51, smoke outlet by described diesel generator 1 is drawn exhaust duct, described exhaust duct forms the first exhaust branch road 52 of the described hot-tub 51 of heating and drives the second exhaust branch road 53 of lithium bromide absorption chiller system 4, on described the first exhaust branch road 52 and the second exhaust branch road 53, smoke regulating valve is all housed.Described the second exhaust branch road 53 is flowed through after lithium bromide absorption chiller system 4 and is entered described hot-tub 51, continues and described hot-tub 51 heat exchange.
A thermal source part for described fume afterheat heating system 5 is through the direct flue gas from diesel generator 1 of 1# smoke regulating valve 54, another part is from the flue gas after lithium bromide absorption chiller system 4 coolings, two kinds of thermals source are all connected with hot-tub 51, after Btu utilization, flue gas is discharged, the fresh water part producing from seawater desalination system 3 enters into hot-tub 51, and the hot water that hot-tub 51 produces is supplied to hot water user.
Described seawater desalination system 3 comprises the distiller 31 being communicated with described heat exchanger 21, described distiller 31 is provided with seawater entrance, concentrated seawater outlet and water outlet, draw and be provided with the second fresh water branch road 33 being communicated with for the first fresh water branch road 32 of user and with described hot-tub 51 by described water outlet, on described the first fresh water branch road 32 and the second fresh water branch road 33, modulating valve is all housed.
Heat exchanger 21 and distiller 31(low temperature multiple-effect distillation device) join end to end, and have seawater to enter from the seawater entrance of distiller 31, and after the desalination of low-temperature multi-effect evaporative desalination, producing fresh water, residue concentrated seawater is discharged through the outlet of bottom concentrated seawater.The fresh water producing flows out from water outlet, distributes by 1# modulating valve 34 and 2# modulating valve 35 flow that enters hot-tub 51 and fresh water user.After the jacket-cooling water waste heat that reclaims diesel generator 1 through heat exchanger 21, squeeze into distiller 31, as the thermal source of seawater desalination system, heating seawater evaporation and then generation fresh water are supplied with user, and the jacket-cooling water after cooling refills diesel generator 1 and completes circulation.
Described lithium bromide absorption chiller system 4 is in turn connected to form refrigerating circuit by recycle pump 41, adsorber 42, vaporizer 43, first throttle valve 44, condenser 45 and generator 46, described generator 46 is located on described the second exhaust branch road 53, and is connected with described adsorber 43 by the suction line that the second throttle valve 47 is housed.
Diesel oil in diesel generator 1 cylinder, burn produce flue gas flow out from smoke outlet, distribute through 1# smoke regulating valve 54 and 2# smoke regulating valve 55 flow that enters lithium bromide absorption chiller system 4 and hot-tub 51, part of smoke enters generator 46 heating and cooling agent lithium-bromide solutions, most of water evaporation in solution, the water vapor producing enters condenser 45 through pipeline, by seawater, water vapour is carried out to condensation, enter vaporizer 43 through first throttle valve 44 subsequently, vaporizer 43 connects refrigeration consumer, water evaporation absorbs heat energy, and then provides refrigerating capacity to user.Residue bromize lithium concentrated solution is through the second throttle valve 47 by pipeline inflow absorber 42, and adsorber 42 is connected with vaporizer 43, and adsorber 42 absorptions carry out the water vapor of from evaporator drier 43, squeezes into generator 46 after cooling to complete circulation through recycle pump 41.
Certainly, the invention is not limited to above-mentioned mode of execution, those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite without prejudice to the utility model spirit, and the modification that these are equal to or replacement are all included in the application's claim limited range.

Claims (7)

1. a diesel generator hot and cold water chp system, it is characterized in that: comprise diesel generator, jacket-cooling water residual neat recovering system, seawater desalination system, lithium bromide absorption chiller system and fume afterheat heating system, described jacket-cooling water residual neat recovering system comprises the chilled(cooling) water return (CWR) being communicated with the cylinder sleeve of described diesel generator and is located at the heat exchanger on described chilled(cooling) water return (CWR), described seawater desalination system comprises the distiller being communicated with described heat exchanger, described fume afterheat heating system comprises hot-tub, smoke outlet by described diesel generator is drawn exhaust duct, described exhaust duct forms the first exhaust branch road of the described hot-tub of heating and drives the second exhaust branch road of lithium bromide absorption chiller system.
2. diesel generator hot and cold water chp system according to claim 1, it is characterized in that: described lithium bromide absorption chiller system is in turn connected to form refrigerating circuit by recycle pump, adsorber, vaporizer, first throttle valve, condenser and generator, described generator is located on described the second exhaust branch road, and is connected with described adsorber by the suction line that the second throttle valve is housed.
3. diesel generator hot and cold water chp system according to claim 1 and 2, is characterized in that: described the second exhaust branch road is flowed through after lithium bromide absorption chiller system and entered described hot-tub, continues and described hot-tub heat exchange.
4. diesel generator hot and cold water chp system according to claim 3, is characterized in that: on described the first exhaust branch road and the second exhaust branch road, smoke regulating valve is all housed.
5. diesel generator hot and cold water chp system according to claim 1, it is characterized in that: described chilled(cooling) water return (CWR) is divided into the first branch road and the second branch road at the water outlet of cylinder sleeve, described the first branch road is flowed through and is injected the water inlet of cylinder sleeve after described diesel generator cooling itself device, described the second branch road is divided into the 3rd branch road and the 4th branch road through three-way flow regulating valve, described the 3rd branch road is flowed through and is injected the water inlet of cylinder sleeve after described diesel generator cooling itself device, and described the 4th branch road is flowed through and injected the water inlet of cylinder sleeve after described heat exchanger.
6. diesel generator hot and cold water chp system according to claim 5, is characterized in that: on described the first branch road, the second branch road and the 3rd branch road, stop valve is all housed.
7. diesel generator hot and cold water chp system according to claim 1 and 2, it is characterized in that: described distiller is provided with seawater entrance, concentrated seawater outlet and water outlet, draw and be provided with for the first fresh water branch road of user and the second fresh water branch road of being communicated with described hot-tub by described water outlet, on described the first fresh water branch road and the second fresh water branch road, modulating valve is all housed.
CN201420348035.XU 2014-06-25 2014-06-25 A kind of diesel generator hot and cold water chp system Expired - Fee Related CN203962198U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105174344A (en) * 2015-09-15 2015-12-23 广州中国科学院先进技术研究所 Marine seawater desalination system based on diesel engine waste heat recovery
CN105174343A (en) * 2015-09-15 2015-12-23 广州中国科学院先进技术研究所 Small-size device and method for seawater desalination by using diesel engine waste heat
CN106348369A (en) * 2016-09-05 2017-01-25 广州中国科学院先进技术研究所 Electricity-water cogeneration system using diesel generator coupled with multi-effect distillation
CN114735183A (en) * 2022-03-21 2022-07-12 招商局重工(深圳)有限公司 Ship fresh water circulation heat recovery system and control method thereof
CN115448399A (en) * 2022-09-30 2022-12-09 浙江工业大学 Refrigeration pure water system based on engine waste heat utilization and process thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105174344A (en) * 2015-09-15 2015-12-23 广州中国科学院先进技术研究所 Marine seawater desalination system based on diesel engine waste heat recovery
CN105174343A (en) * 2015-09-15 2015-12-23 广州中国科学院先进技术研究所 Small-size device and method for seawater desalination by using diesel engine waste heat
CN105174344B (en) * 2015-09-15 2017-10-31 广州中国科学院先进技术研究所 A kind of marine seawater desalination system reclaimed based on diesel residual heat
CN106348369A (en) * 2016-09-05 2017-01-25 广州中国科学院先进技术研究所 Electricity-water cogeneration system using diesel generator coupled with multi-effect distillation
CN106348369B (en) * 2016-09-05 2019-09-17 广州中国科学院先进技术研究所 A kind of electricity-water cogeneration system of diesel-driven generator coupling multi-effect distilling
CN114735183A (en) * 2022-03-21 2022-07-12 招商局重工(深圳)有限公司 Ship fresh water circulation heat recovery system and control method thereof
CN115448399A (en) * 2022-09-30 2022-12-09 浙江工业大学 Refrigeration pure water system based on engine waste heat utilization and process thereof

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Granted publication date: 20141126