CN109162784A - It is a kind of to carry out the cold and hot system and its application method allied the communists using boat diesel engine waste heat - Google Patents

It is a kind of to carry out the cold and hot system and its application method allied the communists using boat diesel engine waste heat Download PDF

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Publication number
CN109162784A
CN109162784A CN201811012595.7A CN201811012595A CN109162784A CN 109162784 A CN109162784 A CN 109162784A CN 201811012595 A CN201811012595 A CN 201811012595A CN 109162784 A CN109162784 A CN 109162784A
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China
Prior art keywords
water
heat exchanger
pipe
storage tank
hot
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CN201811012595.7A
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CN109162784B (en
Inventor
高豪杰
常家起
张淼
熊新
郑竹安
金丽珠
樊永胜
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Yangcheng Institute of Technology
Yancheng Institute of Technology
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Yangcheng Institute of Technology
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K27/00—Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K13/00—General layout or general methods of operation of complete plants
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K13/00—General layout or general methods of operation of complete plants
    • F01K13/006—Auxiliaries or details not otherwise provided for
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K13/00—General layout or general methods of operation of complete plants
    • F01K13/02—Controlling, e.g. stopping or starting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
    • F02G5/00—Profiting from waste heat of combustion engines, not otherwise provided for
    • F02G5/02—Profiting from waste heat of exhaust gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B27/00—Machines, plants or systems, using particular sources of energy
    • F25B27/02—Machines, plants or systems, using particular sources of energy using waste heat, e.g. from internal-combustion engines
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Abstract

The cold and hot system allied the communists is carried out using boat diesel engine waste heat the invention discloses a kind of, including further including the first hot water storage tank, the second hot water storage tank successively with the radiator of default pipeline connection, heat exchanger I, heat exchanger II, BrLi chiller, condenser；Heat exchanger I is used for the heat exchange of tap water and jacket water, and heat exchanger I is connect with the second hot water storage tank；Heat exchanger II is used for the heat exchange of tap water and high-temperature flue gas；For freezing high-temperature vapor as heat source on BrLi chiller；Condenser is connect with heat exchanger II and the first hot water storage tank respectively；The hot water of first hot water storage tank and the second hot water storage tank first converge in pipeline, then connect respectively with radiator, or be directly used in domestic hot-water.The present invention provides the application method of above system by folding pipeline throttle valve, reinforces refrigeration or heat-production functions according to ship local environment, also provides domestic hot-water for crewman, and non-pollution discharge, waste heat utilization rate is high, has saved cost.

Description

It is a kind of to carry out the cold and hot system and its application method allied the communists using boat diesel engine waste heat
Technical field
It is especially a kind of to be carried out using boat diesel engine waste heat the invention belongs to waste heat of internal combustion engine heat recovery field The cold and hot system and its application method allied the communists.
Background technique
Currently, global 80% or more trade is completed by Shipping, most of ship is all by Diesel Driven.According to Statistics, the large-scale ship for civil use of 100 tons of global load-carrying or more consume 5~1,000,000,000 tons of petroleum fuels every year.However, marine diesel The thermal efficiency of machine is only 40~50%, and the energy of larger proportion lost in the form of cooling water and flue gas.Large size bavin at present Oil machine residual-heat utilization technology is also in the exploratory stage, if it is possible to develop a kind of efficient waste heat reclaiming process and system, sufficiently Using the heat in tail gas and in coolant liquid, the whole thermal efficiency of boat diesel engine can be increased substantially, saves fuel.Therefore, The critical path for improving diesel engine overall thermal efficiency is the recycling benefit carried out diesel residual heat recycling and research and develop efficient waste heat With technology, equipment and system.Liang Youcai has carried out large-sized two-stroke boat diesel engine organic with the Rankine as the main purpose that generates electricity Waste heat recycling research is recycled, has carried out Thermodynamic Analysis, although improving overall thermal efficiency (Liang Youcai, the ship of diesel engine Oceangoing ship engine exhaust heat recycles theoretical optimization and the experimental study [D] of thermodynamic cycle, Tianjin, University Of Tianjin, 2014), but waste heat returns The efficiency of receipts system is not high, and electricity generation system complicated for operation, higher cost.
In the prior art, application No. is a kind of 2016108807268 patent of invention " engine residual heat integrative recycling systems In system ", is freezed using the heat of vehicle exhaust and coolant liquid, heat and generating power processed, improve system thermal efficiency；But by Limitation in body of a motor car space and system weight, the system can not use high-performance heat exchanger and pipeline control system, also can not Generate can direct domestic hot-water for a person to use, the recovery utilization rate of the waste heat of tail gas and coolant liquid is not high, greatly limits It is used for range.Application No. is 2015210910959 patent " a kind of thermoelectricity integrated energy feed system ", which uses two The equipment such as heat exchanger between fume afterheat lithium bromide machine in parallel, net for air-source heat pump units, high temperature jacket water plate are covered, cold warm water is utilized High-temperature water, the part high-temperature flue gas generated with jet dynamic control exchanges heat, and the cold warm water after heat exchange is as domestic hot-water It uses, however this system fails the waste heat that high-temperature flue gas and high-temperature water is fully utilized, and is only capable of generating domestic hot-water's use, fail Realize that the cold and hot UTILIZATION OF VESIDUAL HEAT IN mode allied the communists, the mode of waste heat recycling water utilization are single.
Large ship is due to space abundance, and crewman's quantity is more, has larger demand to heat and cooling capacity, using ship Diesel residual heat, which is realized, carries out the functions such as supplying hot water, heating, refrigeration (air-conditioning, refrigeration) to cabin, has broad application prospects, Improve the thermal efficiency of boat diesel engine.
Summary of the invention
In order to solve above-mentioned problem of the prior art, the present invention provides a kind of cold and hot using the progress of boat diesel engine waste heat Total system, specific technical solution are as follows.
It is a kind of to carry out the cold and hot system allied the communists using boat diesel engine waste heat, including successively with the heating of default pipeline connection Piece, heat exchanger I, heat exchanger II, BrLi chiller, condenser further include the first hot water storage tank, the second hot water storage tank；
Water pipe I, II, III is separately set in the heat exchanger I, is respectively used to tap water b1Inflow, jacket water a1Inflow and cylinder sleeve Water a2Outflow；The heat exchanger I is connect by water pipe IV with second hot water storage tank；
Tracheae I, II is set in the heat exchanger II, is respectively used to flue gas c1It flows into and flue gas c2Outflow；
Tracheae III, IV is separately set on the BrLi chiller, is respectively used to air d1It flows into and air d2Outflow；
Water pipe V is separately set on the condenser, the water pipe V is equipped with water pump, and the water pipe V is branched off into branch pipe I, II, The branch pipe I is connect with the heat exchanger II, and the branch pipe II is connect with first hot water storage tank；
Branch pipe III, IV is separately set respectively on first hot water storage tank and the second hot water storage tank, is distinguished on the branch pipe III, IV If water pump；The branch pipe III, IV first merges branch again, forms water pipe VI and water pipe VII, and the water pipe VI connects with the radiator It connects, the water pipe VII is used for domestic hot-water；
On default pipeline between the heat exchanger I and heat exchanger II and the heat exchanger II and lithium bromide refrigerator Be equipped with throttle valve on default pipeline between group, set up throttle valve on the water pipe I, IV, VI, VII separately, the branch pipe I, II, III, set up throttle valve separately on IV.
It is 70~90 DEG C into the cylinder sleeve coolant-temperature gage in heat exchanger I in above system, it can be by tap water b1It is heated to 50~ 70 DEG C, the jacket water a of low temperature after cooling2Temperature be 30~50 DEG C, direct return diesel cylinder sleeve had both eliminated traditional cold But device has saved equipment cost, and has recycled heat contained by jacket water, improves overall thermal efficiency.
Heat exchanger II is for recycling diesel engine flue tail gas waste heat.Into the flue gas c of heat exchanger II1Temperature is 400~700 DEG C, the flue gas c of outflow2300~500 DEG C of temperature, by the tap water b from heat exchanger I2Further it is heated to be 0.8~2.0MPa's Vapor e1。
Condenser leads to overcooled mode for gas-vapor mix e2It is condensed into 80~95 DEG C of tap water b3, tap water b3One Part reenters heat exchanger II, greatly improves the thermal efficiency of the circulation, most of heat is efficiently used；It is another Part then enters the first hot water storage tank.
Hot water in first hot water storage tank and the second hot water storage tank converges rear portion by pipeline and conveys heating through water pump Piece heats for cabin, and another part is sent into the living facilities such as water heater, provides daily life water for crewman.
The present invention also provides the application methods of above system, include the following steps carry out normal mode:
The jacket water a of S1, diesel engine high temperature1, room temperature tap water b1Enter heat exchanger I through water pipe I, II respectively, through heat After exchange, the jacket water a of low temperature2It is flowed back to through water pipe III and forms circulation in diesel engine；The tap water b of high temperature2A part is from default pipe In road inflow heat exchanger II, remainder flows into the second hot water storage tank through water pipe IV；
The flue gas c for the high temperature that S2, diesel engine generate1In I inflow heat exchanger II of transtracheal, after heat exchange, the height of inflow The tap water b of temperature2It is heated to become high-grade vapor e1, the flue gas c of low temperature2Transtracheal II is discharged, high-grade vapor e1 Enter in BrLi chiller through default pipeline；
S3, normal temperature air d1Transtracheal III flows into BrLi chiller, is subsequently converted into the air d of low temperature2Transtracheal IV outflow, high-grade vapor e1It is changed into low-grade gas-vapor mix e2And it is flowed into condenser through default pipeline；
S4, low-grade gas-vapor mix e2It is changed into the tap water b of high temperature within the condenser3；The tap water b of high temperature3's A part passes back into heat exchanger II through branch pipe I under that action of the water pump, and remainder flows into the first hot water storage tank through branch pipe II；
S5, the second hot water storage tank part high temperature tap water b2With the tap water b of the part high temperature of the first hot water storage tank3 The tap water b of high temperature is mixed into through branch pipe III, IV respectively4, then radiator is flowed into for warm as life through water pipe VI, VII respectively Hot water.
As another application method, the present invention also provides the application methods of the refrigeration mode of above system, including with Lower step:
The jacket water a of P1, diesel engine high temperature1, room temperature tap water b1Enter heat exchanger I through water pipe I, II respectively, through heat After exchange, the jacket water a of low temperature2It is flowed back to through water pipe III and forms circulation in diesel engine；The throttle valve on water pipe IV is closed, high temperature Tap water b2All from default pipeline inflow heat exchanger II；
The flue gas c for the high temperature that P2, diesel engine generate1In I inflow heat exchanger II of transtracheal, after heat exchange, high temperature from Water b2It is heated to become high-grade vapor e1, the flue gas c of low temperature2Transtracheal II is discharged, high-grade vapor e1Through default Pipeline enters in BrLi chiller；
P3, normal temperature air d1Transtracheal III flows into BrLi chiller, is subsequently converted into the air d of low temperature2Transtracheal IV outflow, high-grade vapor e1It is changed into low-grade gas-vapor mix e2And it is flowed into condenser through default pipeline；
P4, low-grade gas-vapor mix e2It is changed into the tap water b of high temperature within the condenser3；The tap water b of high temperature3's Most of to pass back into heat exchanger II through branch pipe I under that action of the water pump, small part flows into the first hot water storage tank through branch pipe II；
P5, branch pipe III, the throttle valve on water pipe VI, the tap water b of the small part high temperature of the first hot water storage tank are closed3Through propping up Pipe IV, water pipe VII are flowed out as domestic hot-water.
Preferably, also set water pipe VIII in the heat exchanger II in system, the heat exchanger II and the first hot water storage tank it Between be connected with water pipe Ⅸ, set up throttle valve separately on the water pipe VIII, Ⅸ.
The present invention provides the application methods of the heating mode of above-mentioned preferred system, comprising the following steps:
The jacket water a of Q1, diesel engine high temperature1, room temperature tap water b1Enter heat exchanger I through water pipe I, II respectively, through heat After exchange, the jacket water a of low temperature2It is flowed back to through water pipe III and forms circulation in diesel engine；It closes pre- between heat exchanger I and heat exchanger II If the throttle valve on pipeline, the tap water b of high temperature2It is all flowed into the second hot water storage tank through water pipe IV；
Q2, the tap water b for separately having room temperature4Through in VIII inflow heat exchanger II of water pipe, the flue gas c for the high temperature that diesel engine generates1Through In I inflow heat exchanger II of tracheae, after heat exchange, the tap water b of room temperature4The heated tap water b for becoming high temperature5；Close heat exchanger Throttle valve between II and BrLi chiller, the tap water b of high temperature5All flow into the first hot water storage tank；
The tap water b of Q3, high temperature in the second hot water storage tank2With the tap water b of the high temperature in the first hot water storage tank5Respectively The tap water b of high temperature is mixed into through branch pipe III, IV6, then radiator is flowed into for warm as life heat through water pipe VI, VII respectively Water.
Preferably, heat exchanger I described in system is plate heat exchanger, and the heat exchanger II is the recycling heat exchange of heat pipe-type waste heat Device.
Compared with prior art, the beneficial effects of the present invention are:
1, this system can effectively recycle the low grade residual heat of diesel cylinder sleeve water, heat exchanger I by way of classified utilization The cooler for becoming diesel cylinder sleeve water eliminates conventional cooler, while also efficiently using heat contained by jacket water, It reduces costs while improving the thermal efficiency；
2, the purposes of itself can be adjusted flexibly in this system according to the environment locating for ship, can not only freeze for cabin, but also can It is heated for cabin, while domestic hot-water can also be provided for crewman, there are multiple utilities, while having saved installation cost；
3, during the whole service of this system, using tap water as heat absorption and exothermic medium, no any pollutant row It puts, while most of tap water is repeatedly recycled in internal system, saves marine water amount.
Detailed description of the invention
Fig. 1 is the structural schematic diagram described in embodiment 1 that the cold and hot system allied the communists is carried out using boat diesel engine waste heat；
Fig. 2 is the structural schematic diagram as described in example 2 that the cold and hot system allied the communists is carried out using boat diesel engine waste heat；
In figure: 1, radiator；2, plate heat exchanger；3, heat pipe-type heat recovery heat exchanger；4, BrLi chiller；5, Condenser；6, the first hot water storage tank；7, the second hot water storage tank；801, water pipe I；802, water pipe II；803, water pipe III；804, water pipe Ⅳ；805, water pipe V；806, water pipe VI；807, water pipe VII；808, water pipe VIII；809, water pipe Ⅸ；901, tracheae I；902, tracheae Ⅱ；903, tracheae III；904, tracheae IV；1001, branch pipe I；1002, branch pipe II；1003, branch pipe III；1004, branch pipe IV.
Specific embodiment
Clear, complete description is carried out below with reference to technical solution of the attached drawing to embodiment each in this patent, it is clear that institute The embodiment of description is only a part of the embodiment of this patent, instead of all the embodiments.Embodiment based on this patent, Those of ordinary skill in the art's obtained all other embodiment without making creative work belongs to this The range that patent is protected.
In the description of this patent, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside", "top" is to be based on the orientation or positional relationship shown in the drawings, only It is this patent and simplified description for ease of description, rather than the device or element of indication or suggestion meaning must have specifically Orientation is constructed and operated in a specific orientation, therefore should not be understood as the limitation to this patent.In addition, term " first ", " the Two ", " third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of this patent, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.It should be pointed out that all attached drawings are illustrative expression.For the general of this field For logical technical staff, the concrete meaning of above-mentioned term in this patent can be understood with concrete condition.
This patent is described in further detail below through specific implementation examples and in conjunction with the accompanying drawings.
Embodiment 1
As shown in Figure 1, it is provided in this embodiment it is a kind of carry out the cold and hot system allied the communists using boat diesel engine waste heat, including Successively with radiator (1), the plate heat exchanger (2), heat pipe-type heat recovery heat exchanger (3), lithium bromide system of default pipeline connection Cold group (4), condenser (5) further include the first hot water storage tank (6), the second hot water storage tank (7)；
Water pipe I (801), water pipe II (802), water pipe III (803) are separately set on the plate heat exchanger (2), is respectively used to certainly Water b1Inflow, jacket water a1It flows into, jacket water a2Outflow；The plate heat exchanger (2) by water pipe IV (804) with it is described Second hot water storage tank (7) connection；
Tracheae I (901), tracheae II (902) are set on the heat pipe-type heat recovery heat exchanger (3), is respectively used to flue gas c1 It flows into and flue gas c2Outflow；
Tracheae III (903), tracheae IV (904) are separately set on the BrLi chiller (4), is respectively used to air d1It flows into With air d2Outflow；
Water pipe V (805) is separately set on the condenser (5), the water pipe V (805) is equipped with water pump, and the water pipe V divides Branch is at branch pipe I (1001), branch pipe II (1002), and the branch pipe I (1001) and the heat pipe-type heat recovery heat exchanger (3) are even It connects, the branch pipe II (1002) connect with first hot water storage tank (6)；
Branch pipe III (1003), branch pipe IV are separately set respectively on first hot water storage tank (6) and the second hot water storage tank (7) (1004), the branch pipe III (1003), set water pump respectively on branch pipe IV (1004)；The branch pipe III (1003), branch pipe IV (1004) first merge branch again, form water pipe VI (806) and water pipe VII (807), the water pipe VI (806) and the radiator (1) it connects, the water pipe VII (807) is used for domestic hot-water；
Set up throttle valve separately on default pipeline between the plate heat exchanger (2) and heat pipe-type heat recovery heat exchanger (3), The water pipe I (801), water pipe VI (806), sets up throttle valve, the branch pipe I separately on water pipe VII (807) at water pipe IV (804) (1001), branch pipe II (1002), branch pipe III (1003), set up throttle valve separately on branch pipe IV (1004).
Above system when in use, using mode used below:
The jacket water a of 90 DEG C of high temperature in S1, diesel engine1, room temperature tap water b1Enter board-like change through water pipe I, II respectively Hot device is cooled to the jacket water a of 40 DEG C of low temperature after heat exchange2It is flowed back to through water pipe III and forms circulation in diesel engine；Added The tap water b of the high temperature of heat to 65 DEG C2A part flows into heat pipe-type heat recovery heat exchanger from default pipeline, remainder warp Water pipe IV flows into the second hot water storage tank；
The flue gas c for 600 DEG C of the high temperature that S2, diesel engine generate1Transtracheal I flows into heat pipe-type heat recovery heat exchanger, After heat exchange, the tap water b of the high temperature of inflow2The heated high-grade vapor e for becoming 0.8-2.0MPa1, the flue gas of low temperature c2Transtracheal II is discharged, high-grade vapor e1Enter in BrLi chiller through default pipeline；
S3, normal temperature air d1Transtracheal III flows into BrLi chiller, is subsequently converted into the air d of low temperature2Transtracheal IV outflow, high-grade vapor e1It is changed into low-grade gas-vapor mix e2And it is flowed into condenser through default pipeline；
S4, low-grade gas-vapor mix e2It is changed into the tap water b of 90 DEG C of high temperature within the condenser3；High temperature is originally Water b3A part passed back into heat pipe-type heat recovery heat exchanger through branch pipe I under that action of the water pump, remainder is through branch pipe II It flows into the first hot water storage tank；
S5, the second hot water storage tank part high temperature tap water b2With the tap water b of the part high temperature of the first hot water storage tank3 The tap water b of high temperature is mixed into through branch pipe III, IV respectively4, then radiator is flowed into for warm as life through water pipe VI, VII respectively Hot water.
It is provided in this embodiment to carry out the cold and hot system allied the communists using boat diesel engine waste heat, maximally utilise bavin The jacket water waste heat and fume afterheat of oil machine, reduce costs, and waste heat utilization rate is very high；It can not only freeze, can also make Heat provides cosy cabin environment for crewman, while being capable of providing domestic hot-water；There is no any waste pollution, low-carbon Environmental protection saves the fresh water water consumption of ship.
Embodiment 2
As shown in Fig. 2, in order to provide preferably refrigeration and heating effect, it is provided in this embodiment to utilize marine diesel Machine waste heat carries out the cold and hot system allied the communists, and has done following improvement on the basis of embodiment 1: the heat pipe-type waste heat in system Also set water pipe VIII (808) in recycling heat exchanger (3), the heat pipe-type heat recovery heat exchanger (3) and the first hot water storage tank (6) it Between be connected with water pipe Ⅸ (809), set up throttle valve separately on the water pipe VIII (808), water pipe Ⅸ (809).
By above-mentioned improvement, the system of the present embodiment can be realized hot or cold environment by being closed certain throttle valves Specific aim adjustment, be capable of providing corresponding more comfortable cabin living environment.
When ambient climate sweltering heat, operate in the following ways, while the refrigeration effect for further increasing cabin, Enough domestic hot-waters can be provided.
The jacket water a of 90 DEG C of high temperature in P1, diesel engine1, room temperature tap water b1Enter plate-type heat-exchange through water pipe I, II respectively Device is cooled to the jacket water a of 40 DEG C of low temperature after heat exchange2It is flowed back to through water pipe III and forms circulation in diesel engine；Close water pipe IV, the throttle valve on water pipe VIII is heated to the tap water b of 65 DEG C of high temperature2All heat pipe-type waste heat is flowed into from default pipeline to return It receives in heat exchanger；
The flue gas c for 600 DEG C of the high temperature that P2, diesel engine generate1Transtracheal I flows into heat pipe-type heat recovery heat exchanger, After heat exchange, the tap water b of high temperature2It is heated to become high-grade vapor e1, the flue gas c of low temperature2Transtracheal II is discharged, and closes Close the throttle valve on water pipe Ⅸ, high-grade vapor e1Enter in BrLi chiller through default pipeline；
P3, normal temperature air d1Transtracheal III flows into BrLi chiller, is subsequently converted into the air d of low temperature2Transtracheal IV outflow, high-grade vapor e1It is changed into low-grade gas-vapor mix e2And it is flowed into condenser through default pipeline；
P4, low-grade gas-vapor mix e2It is changed into the tap water b of 90 DEG C of high temperature within the condenser3；High temperature is originally Water b3Major part passed back into heat pipe-type heat recovery heat exchanger through branch pipe I under that action of the water pump, small part is flowed through branch pipe II Enter in the first hot water storage tank；
P5, branch pipe III, the throttle valve on water pipe VI, the tap water b of the small part high temperature of the first hot water storage tank are closed3Through propping up Pipe IV, water pipe VII are flowed out as domestic hot-water.
When ambient climate sweltering heat, operate in the following ways, while the heating effect for further increasing cabin, Sufficient domestic hot-water can be provided.
The jacket water a of 90 DEG C of high temperature in Q1, diesel engine1, room temperature tap water b1Enter plate-type heat-exchange through water pipe I, II respectively Device is cooled to the jacket water a of 40 DEG C of low temperature after heat exchange2It is flowed back to through water pipe III and forms circulation in diesel engine；It closes board-like The throttle valve on pipeline is preset between heat exchanger and heat pipe-type heat recovery heat exchanger, is heated to the tap water b of 65 DEG C of high temperature2 It is all flowed into the second hot water storage tank through water pipe IV；
Q2, the tap water b for separately having room temperature4It is flowed into heat pipe-type heat recovery heat exchanger through water pipe VIII, what diesel engine generated The flue gas c of 650 DEG C of high temperature1Transtracheal I flows into heat pipe-type heat recovery heat exchanger, after heat exchange, the flue gas c of low temperature2Through gas Pipe II is discharged, and closes the throttle valve between heat pipe-type heat recovery heat exchanger and BrLi chiller, is heated to 90 DEG C The tap water b of high temperature5It is all flowed into the first hot water storage tank through water pipe Ⅸ；
The tap water b of Q3, high temperature in the second hot water storage tank2With the tap water b of the high temperature in the first hot water storage tank5Respectively The tap water b of high temperature is mixed into through branch pipe III, IV6, then radiator is flowed into for warm as life heat through water pipe VI, VII respectively Water.
By the improvement of above system composed structure and corresponding usage mode, the refrigeration of this system, heat-production functions Independence is stronger, provides multiple utilities, and the waste heat of jacket water, flue gas can be maximally utilised according to actual environment, The utilization rate for improving waste heat is connect, cost has been saved.

Claims (6)

1. a kind of carry out the cold and hot system allied the communists using boat diesel engine waste heat, which is characterized in that including successively with default pipeline Radiator, heat exchanger I, heat exchanger II, BrLi chiller, the condenser of connection further include the first hot water storage tank, the second heat Water storage tank；
Water pipe I, II, III is separately set in the heat exchanger I, is respectively used to tap water b1Inflow, jacket water a1It flows into and jacket water a2 Outflow；The heat exchanger I is connect by water pipe IV with second hot water storage tank；
Tracheae I, II is set in the heat exchanger II, is respectively used to flue gas c1It flows into and flue gas c2Outflow；
Tracheae III, IV is separately set on the BrLi chiller, is respectively used to air d1It flows into and air d2Outflow；
Water pipe V is separately set on the condenser, the water pipe V is equipped with water pump, and the water pipe V is branched off into branch pipe I, II, described Branch pipe I is connect with the heat exchanger II, and the branch pipe II is connect with first hot water storage tank；
Branch pipe III, IV is separately set respectively on first hot water storage tank and the second hot water storage tank, sets water respectively on the branch pipe III, IV Pump；The branch pipe III, IV first merges branch again, forms water pipe VI and water pipe VII, the water pipe VI are connect with the radiator, institute Water pipe VII is stated for domestic hot-water；
On default pipeline between the heat exchanger I and heat exchanger II and the heat exchanger II and BrLi chiller it Between default pipeline on be equipped with throttle valve, set up throttle valve, the branch pipe I, II, III, IV on the water pipe I, IV, VI, VII separately On set up throttle valve separately.
2. a kind of application method described in claim 1 for carrying out the cold and hot system allied the communists using boat diesel engine waste heat, special Sign is, includes the following steps carry out normal mode:
The jacket water a of S1, diesel engine high temperature1, room temperature tap water b1Enter heat exchanger I through water pipe I, II respectively, through heat exchange Afterwards, the jacket water a of low temperature2It is flowed back to through water pipe III and forms circulation in diesel engine；The tap water b of high temperature2A part is from default pipeline stream Enter in heat exchanger II, remainder flows into the second hot water storage tank through water pipe IV；
The flue gas c for the high temperature that S2, diesel engine generate1In I inflow heat exchanger II of transtracheal, after heat exchange, the high temperature of inflow from Water b2It is heated to become high-grade vapor e1, the flue gas c of low temperature2Transtracheal II is discharged, high-grade vapor e1Through default Pipeline enters in BrLi chiller；
S3, normal temperature air d1Transtracheal III flows into BrLi chiller, is subsequently converted into the air d of low temperature2Transtracheal IV flows Out, high-grade vapor e1It is changed into low-grade gas-vapor mix e2And it is flowed into condenser through default pipeline；
S4, low-grade gas-vapor mix e2It is changed into the tap water b of high temperature within the condenser3；The tap water b of high temperature3One Divide and passed back into heat exchanger II through branch pipe I under that action of the water pump, remainder flows into the first hot water storage tank through branch pipe II；
S5, the second hot water storage tank part high temperature tap water b2With the tap water b of the part high temperature of the first hot water storage tank3Respectively The tap water b of high temperature is mixed into through branch pipe III, IV4, then radiator is flowed into for warm as life heat through water pipe VI, VII respectively Water.
3. a kind of application method described in claim 1 for carrying out the cold and hot system allied the communists using boat diesel engine waste heat, special Sign is, when hot weather, carries out refrigeration mode using following steps:
The jacket water a of P1, diesel engine high temperature1, room temperature tap water b1Enter heat exchanger I through water pipe I, II respectively, through heat exchange Afterwards, the jacket water a of low temperature2It is flowed back to through water pipe III and forms circulation in diesel engine；The throttle valve on water pipe IV is closed, high temperature is originally Water b2All from default pipeline inflow heat exchanger II；
The flue gas c for the high temperature that P2, diesel engine generate1In I inflow heat exchanger II of transtracheal, after heat exchange, the tap water b of high temperature2 It is heated to become high-grade vapor e1, the flue gas c of low temperature2Transtracheal II is discharged, high-grade vapor e1Through default pipeline into Enter in BrLi chiller；
P3, normal temperature air d1Transtracheal III flows into BrLi chiller, is subsequently converted into the air d of low temperature2Transtracheal IV flows Out, high-grade vapor e1It is changed into low-grade gas-vapor mix e2And it is flowed into condenser through default pipeline；
P4, low-grade gas-vapor mix e2It is changed into the tap water b of high temperature within the condenser3；The tap water b of high temperature3Big portion Divide and passed back into heat exchanger II through branch pipe I under that action of the water pump, small part flows into the first hot water storage tank through branch pipe II；
P5, branch pipe III, the throttle valve on water pipe VI, the tap water b of the small part high temperature of the first hot water storage tank are closed3Through branch pipe IV, Water pipe VII is flowed out as domestic hot-water.
4. according to claim 1 carry out the cold and hot system allied the communists using boat diesel engine waste heat, which is characterized in that described Water pipe VIII is also set in heat exchanger II, is connected with water pipe Ⅸ between the heat exchanger II and the first hot water storage tank, on the water pipe VIII, Ⅸ Set up throttle valve separately.
5. a kind of application method as claimed in claim 4 for carrying out the cold and hot system allied the communists using boat diesel engine waste heat, special Sign is, when weather cold, carries out heating mode using following steps:
The jacket water a of Q1, diesel engine high temperature1, room temperature tap water b1Enter heat exchanger I through water pipe I, II respectively, through heat exchange Afterwards, the jacket water a of low temperature2It is flowed back to through water pipe III and forms circulation in diesel engine；It closes and presets pipe between heat exchanger I and heat exchanger II Throttle valve on road, the tap water b of high temperature2It is all flowed into the second hot water storage tank through water pipe IV；
Q2, the tap water b for separately having room temperature4Through in VIII inflow heat exchanger II of water pipe, the flue gas c for the high temperature that diesel engine generates1Transtracheal In I inflow heat exchanger II, after heat exchange, the tap water b of room temperature4The heated tap water b for becoming high temperature5；Close heat exchanger II and Throttle valve between BrLi chiller, the tap water b of high temperature5All flow into the first hot water storage tank；
The tap water b of Q3, high temperature in the second hot water storage tank2With the tap water b of the high temperature in the first hot water storage tank5Respectively through propping up Pipe III, IV is mixed into the tap water b of high temperature6, then flow into radiator through water pipe VI, VII respectively and be used as domestic hot-water for warm.
6. it is according to claim 1 or 4 it is a kind of carry out the cold and hot system allied the communists using boat diesel engine waste heat, feature exists In the heat exchanger I is plate heat exchanger, and the heat exchanger II is heat pipe-type heat recovery heat exchanger.
CN201811012595.7A 2018-08-31 2018-08-31 System for performing combined cooling and heating supply by using waste heat of marine diesel engine and using method thereof Active CN109162784B (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000304375A (en) * 1999-04-19 2000-11-02 Osaka Gas Co Ltd Latent heat recovery type absorption water cooler heater
CN201666196U (en) * 2010-04-22 2010-12-08 泰豪科技股份有限公司 Waste heat recovery device of diesel generator set
CN203584613U (en) * 2013-12-02 2014-05-07 大连普阳发电机组有限公司 Waste heat recovery energy-saving system for diesel generating set
EP2952723A1 (en) * 2014-06-05 2015-12-09 Samsung Heavy Ind. Co., Ltd. Waste heat recovery device for a marine vessel

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000304375A (en) * 1999-04-19 2000-11-02 Osaka Gas Co Ltd Latent heat recovery type absorption water cooler heater
CN201666196U (en) * 2010-04-22 2010-12-08 泰豪科技股份有限公司 Waste heat recovery device of diesel generator set
CN203584613U (en) * 2013-12-02 2014-05-07 大连普阳发电机组有限公司 Waste heat recovery energy-saving system for diesel generating set
EP2952723A1 (en) * 2014-06-05 2015-12-09 Samsung Heavy Ind. Co., Ltd. Waste heat recovery device for a marine vessel

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