CN105605827B - The complementary type distributed energy resource system of thermochemical process is integrated using exhaust gases of internal combustion engines - Google Patents
The complementary type distributed energy resource system of thermochemical process is integrated using exhaust gases of internal combustion engines Download PDFInfo
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- CN105605827B CN105605827B CN201510845896.8A CN201510845896A CN105605827B CN 105605827 B CN105605827 B CN 105605827B CN 201510845896 A CN201510845896 A CN 201510845896A CN 105605827 B CN105605827 B CN 105605827B
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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Abstract
The invention provides the complementary type distributed energy resource system that thermochemical process is integrated using exhaust gases of internal combustion engines, the system includes internal combustion engine power generation sub-system, heat chemistry UTILIZATION OF VESIDUAL HEAT IN subsystem, absorption refrigeration subsystem and low-temperature flue gas waste heat utilize subsystem, the present invention is based on " temperature counterpart, the using energy source principle of cascade utilization ", pass sequentially through thermal chemical reaction, the mode such as absorption refrigeration and heating carries out flue gas waste heat recovery, scientifically and rationally cascade utilization high-temperature flue gas waste heat, realize heat, electricity, cold diversification energy products output, the efficiency of energy utilization of fume afterheat and the grade of fume afterheat is substantially improved.
Description
Technical field
The present invention relates to technical field of energy utilization, more particularly to the complementation using the integrated thermochemical process of exhaust gases of internal combustion engines
Type distributed energy resource system.
Background technology
Social economy's sustained and rapid development in China, demand for energy also increase year by year therewith, in coal, oil and natural
The fossil fuels such as gas are largely consumed, while also result in serious environmental pollution, and this will hinder holding for future economy society
Supervention exhibition.Numerous additionally, due to China human mortality, per capita resources are relatively deficient, and the energy, resource and environmental problem are especially prominent.
The total output of primary energy of China rises to 3,400,000,000 tons of marks of 2013 from 13.5 hundred million tons of standard coals of 2000
Quasi- coal, year primary energy consumption amount 37.5 hundred million tons of standard coals of 2013 are also risen to by 14.6 hundred million tons of standard coals of 2000.
Wherein the output of the clean energy resource such as water power, nuclear power and wind-powered electricity generation and consumption are 3.71 hundred million tons of standard coals and 3.68 hundred million tons of standards
Coal, only account for the 10.91% and 9.81% of total amount.China's economic is since the new round rapid growth cycle is entered, coal, electricity, oil etc.
The energy occur shortage, socio-economic development by energy bottleneck serious restriction, Science in Future in China oil to overseas source excessively according to
Energy security problem caused by bad and international energy market unpredictability, the also sustainable development to China's economic society are struck
Alarm bell is rung.
Demand for energy and problem of environmental pollution urgently to be resolved hurrily for the following rapid growth of reply, need to be used advanced and complete
Kind energy source use theory is improved existing energy utilization technology, to improve efficiency of energy utilization and realize the clear of the energy
Clean utilization.For fossil energy, although the regenerative resource stock number such as biomass and solar energy is huge, and it is clear using process
Clean environmental protection is without CO2Deng pollutant emission, but the characteristics such as Resource Density is relatively low, randomness is stronger be present, this is for regenerative resource
It is efficient using proposing higher challenge.For problems, the complementary Land use systems with fossil energy are using as important skill
Art means, the utility of regenerative resource is improved using the stability of process using fossil energy, while utilized renewable
Energy substitution part fossil energy, has also reached the purpose of energy-saving and emission-reduction.By stepping up the share shared by regenerative resource,
The complete replacement to fossil energy is finally reached, this technology path has higher operability currently, has also obtained each
The accreditation on boundary.
In daily life and industrial production, required energy utilization form is generally not limited solely to electric power, in addition to
The heat energy and cold energy of different temperatures, such as various industrial steams, heating heat, domestic hot-water and air conditioning.Traditional energy
System, which is typically taken, concentrates a point mode of production for production, for electricity generation system, typically directly utilizes institute after combustion of fossil fuel
The heat of release produces high temperature refrigerant, and to driving power circular work, but wherein a big chunk heat is directly passed to
Low-temperature heat source does not obtain efficient and rational utilization.For traditional heating system, although boiler is by most of fossil fuel
Chemical energy is converted into useful heat energy, and is supplied to heat user, but high-temperature flue gas caused by burning is used directly to heating compared with low temperature
The steam or hot water of degree, acting capacity loss are very big.And in terms of refrigeration, power plant is the normal fortune for meeting summer electric drive air-conditioning
Turn, power generation amount need to be increased, thus also result in great heat-energy losses.
According to the cascade utilization principle of energy, think according to difference for converting energy step by step and reducing between two-stage etc. as far as possible
Road, within fuel engine power generation unit acting process and core, construct and utilize high-temperature flue gas driving waste heat driving absorption refrigeration
The distributing-supplying-energy system of journey, changes the production of energy mode of the centralized per unit area yield of tradition, and the utilization ratio of the energy also obtains
It is substantially improved.On the other hand, although high-temperature flue gas waste heat is reclaimed by kind of refrigeration cycle, pair of energy grade is also realized substantially
Mouth utilizes, but how further to improve the utilization ratio of fume afterheat and expand the application field of fume afterheat, will also turn into energy
The important subject of source application field.
The content of the invention
(1) technical problems to be solved
In view of this, it is a primary object of the present invention to provide the complementary type for utilizing exhaust gases of internal combustion engines to integrate thermochemical process
Distributed energy resource system, while the output of thermoelectric cold multi-product is realized, fume afterheat is realized by means such as thermal chemical reactions
High efficiente callback utilize.
(2) technical scheme
According to an aspect of the invention, there is provided the complementary type that thermochemical process is integrated using exhaust gases of internal combustion engines is distributed
Energy resource system, the system include：Internal combustion engine power generation sub-system, heat chemistry UTILIZATION OF VESIDUAL HEAT IN subsystem, absorption refrigeration subsystem and
Low-temperature flue gas waste heat utilizes subsystem, wherein, internal combustion engine power generation sub-system；The heat chemistry UTILIZATION OF VESIDUAL HEAT IN subsystem, it is connected
To the internal combustion engine power generation sub-system, the heat chemistry UTILIZATION OF VESIDUAL HEAT IN subsystem is received caused by the internal combustion engine power generation sub-system
High-temperature flue gas, using the waste heat of the high-temperature flue gas, gaseous fuel is generated by heat absorbing type thermal chemical reaction；The absorption system
Refrigeration subsystem, it is connected to the heat chemistry UTILIZATION OF VESIDUAL HEAT IN subsystem, and the absorption refrigeration subsystem is received more than the heat chemistry
Medium temperature flue gas caused by heat utilization subsystem, cryogenic cold energy is produced using the waste heat of the medium temperature flue gas；More than the low-temperature flue gas
Heat utilization subsystem, it is connected to the absorption refrigeration subsystem, and the low-temperature flue gas waste heat receives the suction using subsystem
Low-temperature flue gas caused by receipts formula refrigeration subsystem, heating hot water, domestic hot-water and work are produced using the waste heat of the low-temperature flue gas
Industry steam, finally empties low temperature waste gas.
The internal combustion engine power generation sub-system, it includes internal combustion engine 1 and generator 2, and the internal combustion engine 1 has charging aperture, entered
Gas port and exhanst gas outlet, the power input axis connection of the power output shaft of the internal combustion engine 1 and the generator 2, form internal combustion
Generating set, the exhanst gas outlet of internal combustion engine 1 are connected to heat chemistry UTILIZATION OF VESIDUAL HEAT IN subsystem.
The heat chemistry UTILIZATION OF VESIDUAL HEAT IN subsystem includes：Thermochemical reactor 3；The thermochemical reactor 3 has flue gas
Entrance, charging aperture, exhanst gas outlet and gaseous fuel outlet, the smoke inlet of the thermochemical reactor 3 are connected to internal combustion engine hair
Electronic system, the exhanst gas outlet of the thermochemical reactor 3 are connected to the absorption refrigeration subsystem.
The absorption refrigeration subsystem, it includes generator 4, absorber 5, evaporator 6, condenser 7, second circulation pump
14th, first throttle valve 15, second throttle 16 and heat exchanger 17, circulating water cooling tower 8 and first circulation pump 9；Wherein, the hair
The smoke inlet of raw device 4 is passed through medium temperature flue gas caused by heat chemistry UTILIZATION OF VESIDUAL HEAT IN subsystem, and exhanst gas outlet is connected to low-temperature flue gas
UTILIZATION OF VESIDUAL HEAT IN subsystem, the aqueous solution outlet of the generator 4 connect the first throttle valve 15, the first throttle valve 15
Outlet connects the aqueous solution entrance of the absorber 5, and the aqueous solution outlet of the absorber 5 connects the second circulation pump 14,
The outlet of the second circulation pump 14 connects the aqueous solution entrance of the generator 4, the outlet of the first throttle valve 15 and institute
State and be connected with the heat exchanger 17 between the outlet of second circulation pump 14；The steam outlet connection of the generator 4 is described cold
The steam entry of condenser 7, the medium temperature water out of the condenser 7 connect the second throttle 16, the second throttle
16 outlet connects the medium temperature water inlet of the evaporator 6, and the steam outlet of the evaporator 6 connects the absorber 5
Steam entry；The delivery port of the circulating water cooling tower 8 connects the first circulation pump 9, the outlet of the first circulation pump 9
The cooling water inlet of the condenser 7 is connected, the cooling water of the coolant outlet connection absorber 5 of the condenser 7 enters
Mouthful, the coolant outlet of the absorber 5 connects the water inlet of the circulating water cooling tower 8；The chilled water of the evaporator 6 goes out
Mouth is connected with the refrigerant water inlet of fan coil 10, and the refrigerant water out of the fan coil 10 connects the cold of the evaporator 6
Matchmaker's water inlet.
The low-temperature flue gas waste heat is included using subsystem：Low-temperature flue gas heat regenerator 12；The low-temperature flue gas recuperation of heat
The smoke inlet of device 12 is passed through low-temperature flue gas caused by the absorption refrigeration subsystem, its hot water outlet and the fan coil
10 hot water inlet's connection, its cylinder sleeve water inlet connect the first outlet of three-way flow divider valve, its exhanst gas outlet connection chimney 13.
The charging aperture and air inlet of the internal combustion engine 1 each lead into fuel 24 and air 25, and fuel 24 and air 25 are in institute
State and promote power output shaft rotation acting in internal combustion engine 1 after burning, power output shaft drives the power input of the generator 2
Axle rotates, and rotating machinery work(is transferred into the generator 2, rotating machinery work(is converted to electric energy and exported by the generator 2.
The thermochemical reactor 3 receives the high-temperature flue gas 21 that the internal combustion engine 1 of the internal combustion engine power generation sub-system is discharged, its
Charging aperture is passed through raw material 36, and the high-temperature flue gas 21, which drives, occurs heat absorbing type thermal chemical reaction in the thermochemical reactor 3,
The lower generated reactive gas fuel of waste heat effect of the high-temperature flue gas 21, the high-temperature flue gas 21 pass through heat absorbing type thermal chemical reaction
Temperature reduces afterwards, turns into medium temperature flue gas 22, and discharge from the exhanst gas outlet of the thermochemical reactor 3.
The generator 4 receives the medium temperature flue gas that the thermochemical reactor 3 of the heat chemistry UTILIZATION OF VESIDUAL HEAT IN subsystem is discharged
22, the working media aqueous solution in the generator 4 is heated by medium temperature flue gas 22, and water therein is vaporizated into vapor, and work
Make the rise of medium concentration of aqueous solution, and enter in the absorber 5；Vapor enters institute by the generator 4 after above-mentioned vaporization
State in condenser 7, be condensed into middle warm water, then into the evaporator 6, rapid expansion is vaporizated into the evaporator 6
Vapor, vapor enter the absorber 5, are absorbed by the working media aqueous solution in the absorber 5, and working media is water-soluble
The concentration of liquid reduces, and sends the generator 4 back to, completes Absorption Cooling System process；It is cold in the circulating water cooling tower 8
But water 30 enters the condenser 7, is raised by with temperature after the vapor heat exchange from the generator 4, into described
Returned after absorber 5 in the circulating water cooling tower 8 and cool down and recycle；Described in the chilled water of the fan coil 10 enters
In evaporator 6, the middle warm water in the evaporator 6 is when rapid expansion is vaporizated into vapor, a large amount of heat for absorbing chilled water
Amount, make the temperature of chilled water reduce, cold energy 34 reduced using temperature after chilled water as carrier, institute is back to by the evaporator 6
State in fan coil 10, heat exchange is carried out in the fan coil 10 and room air, so as to reduce Indoor environment temperature；Institute
Stating the temperature after the absorption refrigeration subsystem of medium temperature flue gas 22 reduces, and turns into low-temperature flue gas 23, by the generator 4
Exhanst gas outlet is discharged；The work that the working media aqueous solution through the first throttle valve 15 outflow pumps out with the second circulation pump 14
Make the medium aqueous solution and heat exchange is carried out by the heat exchanger 17, the working media aqueous solution of the generator 4 is sent in raising back to
Temperature.
The low-temperature flue gas heat regenerator 12 is passed through low-temperature flue gas 23 and cold water by its smoke inlet and cold water inlet respectively
27, and heated the cold water 27 of input using the waste heat of the low-temperature flue gas 23, deliver to the fan coil as heating hot water
In 10, heating heat energy 33 is provided for building, while separates a part of heating hot water as domestic hot-water 31；Cylinder sleeve water- to-water heat exchanger
A part of jacket water of 11 discharges enters in the low-temperature flue gas heat regenerator 12, and the low-temperature flue gas heat regenerator 12 utilizes institute
The waste heat for stating low-temperature flue gas 23 carries out reheating to jacket water, produces industrial steam 28, and another part jacket water delivers to institute
State in fan coil 10, heating heat energy is provided for building together with the heating hot water of the low-temperature flue gas heat regenerator 12 discharge
33, while a part of heating hot water is separated as domestic hot-water 31；The low-temperature flue gas 23 passes through the low-temperature flue gas recuperation of heat
Temperature reduces after device 12, turns into low temperature waste gas 29, low temperature waste gas 29 is delivered to the chimney by the low-temperature flue gas heat regenerator 12
13 emptyings.
(3) beneficial effect
It can be seen from the above technical proposal that the invention has the advantages that：
(1) the more low-grade fume afterheat for making full use of internal combustion engine generator group to discharge, by driving methanol, ethanol or diformazan
The heat absorbing type thermal chemical reaction such as ether-splitting solution, produce H2With the high-quality synthesis gas fuel such as CO, the energy of fume afterheat can be substantially improved
The grade of source utilization ratio and fume afterheat；
(2) participating in the fuel such as methanol, ethanol or the dimethyl ether of thermal chemical reaction can be used as biomass energy and solar energy etc. can
The carrier of clean energy resource is regenerated, finally realizes the complementary utilization of fossil energy and clean reproducible energy, reaching reduces fossil energy
The purpose of source equipment usage；
(3) the using energy source principle of " temperature counterpart, cascade utilization " is based on, passes sequentially through thermal chemical reaction, absorption system
The modes such as cold and heating carry out flue gas waste heat recovery, scientifically and rationally cascade utilization high-temperature flue gas waste heat, realize heat,
Electric, cold diversification energy products output；
(4) existing ripe internal combustion engine generation technology is made full use of, is coupled with advanced heat chemistry using technology, energy
The technical risk of system is enough reduced, while can speed up and promote this technological industrialization application.
Brief description of the drawings
Fig. 1 is the complementary type distributed energy that thermochemical process is integrated using exhaust gases of internal combustion engines according to the embodiment of the present invention
System structure diagram.
Internal combustion engine power generation sub-system：
1- internal combustion engines；2- generators
Heat chemistry UTILIZATION OF VESIDUAL HEAT IN subsystem：
3- thermochemical reactors
Absorption refrigeration subsystem：
4- generators；5- absorbers；6- evaporators；7- condensers；8- circulating water cooling towers；9- first circulation pumps；13- cigarettes
Chimney；14- second circulation pumps；15- first throttle valves；16- second throttle；17- heat exchangers
Low-temperature flue gas waste heat utilizes subsystem：
12- low-temperature flue gas heat regenerators
10- fan coils；11- cylinder sleeve water- to-water heat exchangers；21- high-temperature flue gas；22- medium temperature flue gases；23- low-temperature flue gas；24- fires
Material；25- air；26- jacket-cooling waters；27- cold water；The industrial steams of 28-；29- low temperature waste gas；30- cooling waters；31- lives
Hot water；32- heating backwater；33- heating heat energy；34- cold energy；35- gaseous fuels；36- raw materials.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with specific embodiment, and reference
Accompanying drawing, the present invention is described in more detail.
The complementary type distributed energy resource system provided by the invention that thermochemical process is integrated using exhaust gases of internal combustion engines, using interior
The high-temperature flue gas waste heat of combustion generating set discharge drives heat absorbing type chemical reaction process, utilizes heat absorbing type chemical reaction process row
The medium temperature fume afterheat driving Absorption Cooling System gone out, and utilize the low-temperature flue gas waste heat generation of Absorption Cooling System generation
Heating heat energy, domestic hot-water and industrial steam, realize that the high efficiente callback of fume afterheat utilizes.
Fig. 1 is the complementary type distributed energy that thermochemical process is integrated using exhaust gases of internal combustion engines according to the embodiment of the present invention
System, the system include internal combustion engine power generation sub-system, heat chemistry UTILIZATION OF VESIDUAL HEAT IN subsystem, absorption refrigeration subsystem and low temperature cigarette
Gas UTILIZATION OF VESIDUAL HEAT IN subsystem.Wherein, dotted line represents cooling circulation line, and single dotted broken line represents air conditioner refrigerating pipeline, double dot dash line
Represent absorption refrigeration cycle pipeline.
Heat chemistry UTILIZATION OF VESIDUAL HEAT IN subsystem, it is connected to the internal combustion engine power generation sub-system, heat chemistry UTILIZATION OF VESIDUAL HEAT IN
High-temperature flue gas caused by the system reception internal combustion engine power generation sub-system, using the waste heat of above-mentioned high-temperature flue gas, passes through heat absorbing type
Thermal chemical reaction generates gaseous fuel；
Absorption refrigeration subsystem, it is connected to the heat chemistry UTILIZATION OF VESIDUAL HEAT IN subsystem, the absorption refrigeration subsystem
Medium temperature flue gas caused by the heat chemistry UTILIZATION OF VESIDUAL HEAT IN subsystem is received, low temperature cold is produced using the waste heat of above-mentioned medium temperature flue gas
Energy；
Low-temperature flue gas waste heat utilizes subsystem, and it is connected to the absorption refrigeration subsystem, low-temperature flue gas waste heat profit
Low-temperature flue gas caused by the absorption refrigeration subsystem is received with subsystem, heating is produced using the waste heat of above-mentioned low-temperature flue gas
Hot water, domestic hot-water and industrial steam, low temperature waste gas is emptied.
Integrate the complementary type distributed energy resource system of thermochemical process using exhaust gases of internal combustion engines to the present embodiment below
Each part is described in detail, and the complementary type that thermochemical process is integrated using exhaust gases of internal combustion engines of the present embodiment is distributed
Capital equipment involved by energy resource system includes internal combustion engine 1, generator 2, thermochemical reactor 3, generator 4, absorber 5, steaming
Send out device 6, condenser 7, circulating water cooling tower 8, first circulation pump 9, fan coil 10, cylinder sleeve water- to-water heat exchanger 11, low-temperature flue gas heat
Recover 12, chimney 13, second circulation pump 14, first throttle valve 15, second throttle 16 and heat exchanger 17.
Internal combustion engine power generation sub-system includes internal combustion engine 1 and generator 2, and there is internal combustion engine 1 charging aperture, air inlet and flue gas to go out
Mouthful, the power output shaft of internal combustion engine 1 and the power input axis connection of generator 2, form internal combustion engine generator group.
Heat chemistry UTILIZATION OF VESIDUAL HEAT IN subsystem includes thermochemical reactor 3, and thermochemical reactor 3 has smoke inlet, charging
Mouth, exhanst gas outlet and gaseous fuel outlet, the smoke inlet of thermochemical reactor 3 are connected with the exhanst gas outlet of internal combustion engine 1.
Absorption refrigeration subsystem includes generator 4, absorber 5, evaporator 6, condenser 7, second circulation pump 14, first
Choke valve 15, second throttle 16 and heat exchanger 17, circulating water cooling tower 8 and first circulation pump 9.
Wherein, the smoke inlet of generator 4 is connected with the exhanst gas outlet of thermochemical reactor 3, and the aqueous solution of generator 4 goes out
Mouth connection first throttle valve 15, the aqueous solution entrance of the outlet connection absorber 5 of first throttle valve 15, the aqueous solution of absorber 5
Outlet connection second circulation pump 14, the aqueous solution entrance of the outlet connection generator 4 of second circulation pump 14, first throttle valve 15
Heat exchanger 17 is connected between outlet and the outlet of second circulation pump 14.
The steam entry of the steam outlet connection condenser 7 of generator 4, the medium temperature water out connection the of condenser 7
Two choke valves 16, the medium temperature water inlet of the outlet connection evaporator 6 of second throttle 16, the steam outlet connection of evaporator 6
The steam entry of absorber 5.
The delivery port connection first circulation pump 9 of circulating water cooling tower 8, the outlet of first circulation pump 9 connects the cold of condenser 7
But water inlet, the cooling water inlet of the coolant outlet connection absorber 5 of condenser 7, the coolant outlet connection of absorber 5 follow
The water inlet of ring water cooling tower 8.
The refrigerant water out of evaporator 6 is connected with the refrigerant water inlet of fan coil 10, and the chilled water of fan coil 10 goes out
The refrigerant water inlet of mouth connection evaporator 6.
Low-temperature flue gas waste heat includes low-temperature flue gas heat regenerator 12 using subsystem.The flue gas of low-temperature flue gas heat regenerator 12
Entrance is connected with the exhanst gas outlet of generator 4, and its hot water outlet is connected with the hot water inlet of fan coil 10, its cylinder sleeve water inlet
Connect the first outlet of three-way flow divider valve, its exhanst gas outlet connection chimney 13.
The charging aperture and air inlet of internal combustion engine 1 each lead into fuel 24 and air 25, and fuel 24 and air 25 are in internal combustion engine 1
Cylinder in mixing, burning, the heat energy discharged makes to produce high-temperature high-pressure fuel gas in cylinder, promotes power output shaft rotation to do
Work(, power output shaft drive the power input axle rotation of generator 2, rotating machinery work(are transferred into generator 2, generator 2 will
Rotating machinery work(is converted to electric energy output.High-temperature flue gas 21, internal combustion engine 1 can be produced during fuel 24 and air 25 burn
High-temperature flue gas 21 is discharged by exhanst gas outlet.
Wherein, the temperature of high-temperature flue gas 21 is 400-500 DEG C.
Thermochemical reactor 3 receives the high-temperature flue gas 21 that internal combustion engine 1 is discharged, and high-temperature flue gas 21 drives thermochemical reactor 3
Interior generation heat absorbing type thermal chemical reaction, heat absorbing type thermal chemical reaction is, for example, the cracking reactions such as methanol, ethanol or dimethyl ether.First
The raw materials such as alcohol, ethanol or dimethyl ether 36 enter thermochemical reactor 3 by charging aperture, in the presence of above-mentioned high-temperature flue gas waste heat
Gaseous fuel 35 is produced, such as synthesis gas H2And CO, and exported and exported by gaseous fuel.Above-mentioned high-temperature flue gas 21 passes through heat absorbing type
Temperature reduces after thermal chemical reaction, turns into medium temperature flue gas 22, and discharge from the exhanst gas outlet of thermochemical reactor 3.
Wherein, the temperature of medium temperature flue gas 22 is 250-400 DEG C.
The system is by heat chemistry UTILIZATION OF VESIDUAL HEAT IN subsystem Mist heat recovering and produces H2With the high-quality synthesis gas such as CO
Fuel, it can efficiently be utilized by the advanced circulatory system such as Brayton cycle or fuel cell, fume afterheat can be substantially improved
Efficiency of energy utilization.
Generator 4 receives the medium temperature flue gas 22 that thermochemical reactor 3 is discharged, and the working media aqueous solution therein is by medium temperature cigarette
Gas 22 heats, and the water in the working media aqueous solution is constantly vaporizated into vapor, with the continuous vaporization of dampening, work in generator 4
The concentration for making the medium aqueous solution constantly raises, and is discharged by the aqueous solution outlet of generator 4, via first throttle valve 15, by absorbing
The aqueous solution entrance of device 5 enters in absorber 5；
Vapor is discharged by the steam outlet of generator 4 after above-mentioned vaporization, is entered by the steam entry of condenser 7 cold
In condenser 7, heat exchange is carried out with the cooling water in condenser 7, by the cooling water temperature in condenser 7, is condensed into middle warm water, it is cold
Middle warm water in condenser 7 is discharged by medium temperature water out, through second throttle 16, enters evaporation by the medium temperature water inlet of evaporator 6
Device 6, the rapid expansion in evaporator 6 and be vaporizated into vapor again, vapor by evaporator 6 steam outlet discharge,
Absorber 5 is entered by the steam entry of absorber 5, absorbed by the working media aqueous solution in absorber 5, working media is water-soluble
The concentration of liquid gradually reduces, and is discharged by the aqueous solution outlet of absorber 5, via second circulation pump 14, by the aqueous solution of generator 4
Entrance sends generator 4 back to, completes whole Absorption Cooling System process.
Because the working media aqueous solution has been subjected to a certain degree of cooling in absorber 5, temperature is relatively low, adds to save
The heat of the thermodynamic medium aqueous solution, the efficiency entirely circulated is improved, in the first throttle of the circulation loop of generator 4- absorbers 5
Install a heat exchanger 17 between the outlet of valve 15 and the outlet of second circulation pump 14 additional, make the work flowed out through first throttle valve 15
The medium aqueous solution carries out heat exchange with the working media aqueous solution that second circulation pump 14 pumps out by heat exchanger 17, is sent so as to improve
Return the temperature of the working media aqueous solution of generator 4.
Cooling water 30 in circulating water cooling tower 8 is discharged by delivery port, through first circulation pump 9, by the cooling water of condenser 7
Entrance enters condenser 7, as the condensed water needed for condenser during Absorption Cooling System 7, by with from generator 4
Vapor heat exchange after temperature raise, by condenser 7 coolant outlet discharge, by absorber 5 cooling water inlet enter
Absorber 5, the coolant outlet of absorber 5 return in circulating water cooling tower 8 after cooling water is discharged and cool down and recycle.
The chilled water of fan coil 10 is discharged into evaporator 6 by its refrigerant water out, by the refrigerant water inlet of evaporator 6
Into in evaporator 6, the middle warm water in evaporator 6 can largely absorb cold when rapid expansion is vaporizated into vapor again
The heat of matchmaker's water, makes the temperature of chilled water reduce, cold energy 34 reduced using temperature after chilled water as carrier, by the cold of evaporator 6
Matchmaker's water out is discharged, and is back to by the refrigerant water inlet of fan coil 10 in fan coil 10, in fan coil 10 and Interior Space
Gas carries out heat exchange, so as to reduce Indoor environment temperature.
The temperature after absorption refrigeration subsystem of medium temperature flue gas 22 reduces, and turns into low-temperature flue gas, the flue gas of generator 4 goes out
Mouth discharges low-temperature flue gas.
Wherein, the temperature of low-temperature flue gas is less than 200 DEG C, and working media can use lithium bromide or ammoniacal liquor.
Low-temperature flue gas heat regenerator 12 is passed through low-temperature flue gas 23 and cold water 27 by its smoke inlet and cold water inlet respectively, low
Warm flue gas heat recovery device 12 is heated the cold water 27 of input using low-temperature flue gas waste heat, and fan coil 10 is delivered to as heating hot water
In, heating heat energy 33 is provided for building, while also separate a part of heating hot water as domestic hot-water 31.
Jacket-cooling water 26 is sent into internal combustion engine 1 by cylinder sleeve water- to-water heat exchanger 11, and jacket-cooling water 26 is through the internal pipeline of internal combustion engine 1
Temperature is raised after being cooled down to all parts of internal combustion engine 1, and the jacket water after temperature rise is discharged by cylinder sleeve water- to-water heat exchanger 11
Enter the entrance of three-way flow divider valve afterwards, a part of jacket water enters low-temperature flue gas heat regenerator by the first outlet of three-way flow divider valve
In 12, low-temperature flue gas heat regenerator 12 carries out reheating using low-temperature flue gas waste heat to jacket water, produces industrial steam 28.
Another part jacket water is discharged and delivered in fan coil 10 by the second outlet of three-way flow divider valve, with low-temperature flue gas heat regenerator
The heating hot water of 12 discharges provides heating heat energy 33 for building together, while also separates a part of heating hot water as life
Hot water 31.
Low-temperature flue gas temperature after low-temperature flue gas heat regenerator 12 is reduced, and turns into low temperature waste gas 29, and low-temperature flue gas heat is returned
Receive device 12 to discharge low temperature waste gas 29, and deliver to chimney 13, chimney 13 empties low temperature waste gas 29.
Wherein, the temperature of low temperature waste gas 29 is less than 90 DEG C.
In such scheme, make full use of internal combustion engine generator group discharge more low-grade fume afterheat driving methanol, ethanol or
The heat absorbing type thermal chemical reactions such as dimethyl ether cracking, the recycling of fume afterheat is completed, and heat is realized by thermal chemical reaction
Can the conversion of form of energy and the grade lifting of fume afterheat.The system is different according to heat quality, successively using heat absorbing type heat
Chemical reaction, absorption refrigeration thermodynamic cycle and generation heating hot water, the mode of industrial steam carry out flue gas waste heat recovery, lead to
Cross scientifically and rationally cascade utilization high-temperature flue gas waste heat and realize that diversification energy products export,
It should be noted that exhaust gas temperature and heat absorbing type thermal chemical reaction of the present embodiment system for the different internal combustion engines of adaptation
Required heat generating temperature, heat chemistry UTILIZATION OF VESIDUAL HEAT IN subsystem and absorption refrigeration subsystem can be adjusted flexibly in flow to more than flue gas
The sequencing of heat utilization.
In addition, the system is as multi-energy complementation type system, methanol, ethanol or the diformazan of participation heat absorbing type thermal chemical reaction
The fuel such as ether can finally realize that fossil energy can with cleaning as the carrier of the renewable and clean energy resources such as biomass energy and solar energy
The complementary utilization of the renewable sources of energy, reaches the purpose for reducing fossil energy equipment usage.
It should be noted that in accompanying drawing or specification text, the implementation that does not illustrate or describe is affiliated technology
Form known to a person of ordinary skill in the art, is not described in detail in field.In addition, above-mentioned definition to each element and not only limiting
The various concrete structures mentioned in embodiment, shape, those of ordinary skill in the art simply can be changed or replaced to it
Change, such as：
(1), can be by heat to adapt to the exhaust gas temperature of different internal combustion engines and the heat generating temperature needed for heat absorbing type thermal chemical reaction
The sequencing that chemical UTILIZATION OF VESIDUAL HEAT IN subsystem and absorption refrigeration subsystem utilize to fume afterheat exchanges；
(2) working media can use lithium bromide or ammoniacal liquor；
(3) demonstration of the parameter comprising particular value can be provided herein, but these parameters are worth accordingly without being definitely equal to, and
It is that can be similar to analog value in acceptable error margin or design constraint；
(4) direction term mentioned in embodiment, such as " on ", " under ", "front", "rear", "left", "right" etc., only it is ginseng
The direction of accompanying drawing is examined, is not used for limiting the scope of the invention；
(5) consideration that above-described embodiment can be based on design and reliability, the collocation that is mixed with each other uses or and other embodiment
Mix and match uses, i.e., the technical characteristic in different embodiments can freely form more embodiments.
In summary, the complementary type distributed energy system provided by the invention that thermochemical process is integrated using exhaust gases of internal combustion engines
System, can be substantially improved the efficiency of energy utilization of fume afterheat and the grade of fume afterheat, scientifically and rationally cascade utilization high temperature cigarette
Gas waste heat, realize hot, electric, cold diversification energy products output.
Particular embodiments described above, the purpose of the present invention, technical scheme and beneficial effect are carried out further in detail
Describe in detail it is bright, should be understood that the foregoing is only the present invention specific embodiment, be not intended to limit the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements done etc., it should be included in the guarantor of the present invention
Within the scope of shield.
Claims (7)
1. the complementary type distributed energy resource system of thermochemical process is integrated using exhaust gases of internal combustion engines, it is characterised in that the system bag
Include：Internal combustion engine power generation sub-system, heat chemistry UTILIZATION OF VESIDUAL HEAT IN subsystem, absorption refrigeration subsystem and low-temperature flue gas waste heat utilize son
System, wherein,
Internal combustion engine power generation sub-system；
The heat chemistry UTILIZATION OF VESIDUAL HEAT IN subsystem, it is connected to the internal combustion engine power generation sub-system, the heat chemistry UTILIZATION OF VESIDUAL HEAT IN
High-temperature flue gas caused by the subsystem reception internal combustion engine power generation sub-system, using the waste heat of the high-temperature flue gas, passes through heat absorption
Type thermal chemical reaction generates gaseous fuel, and the heat absorbing type thermal chemical reaction is the cracking reaction of methanol, ethanol or dimethyl ether；
The absorption refrigeration subsystem, it is connected to the heat chemistry UTILIZATION OF VESIDUAL HEAT IN subsystem, the absorption refrigeration subsystem
Medium temperature flue gas caused by the heat chemistry UTILIZATION OF VESIDUAL HEAT IN subsystem is received, low temperature cold is produced using the waste heat of the medium temperature flue gas
Energy；
The low-temperature flue gas waste heat utilizes subsystem, and it is connected to the absorption refrigeration subsystem, low-temperature flue gas waste heat profit
Low-temperature flue gas caused by the absorption refrigeration subsystem is received with subsystem, heating is produced using the waste heat of the low-temperature flue gas
Hot water, domestic hot-water and industrial steam, finally empty low temperature waste gas；
The low-temperature flue gas waste heat is included using subsystem：Low-temperature flue gas heat regenerator (12)；
The smoke inlet of the low-temperature flue gas heat regenerator (12) is passed through low-temperature flue gas caused by the absorption refrigeration subsystem,
Its hot water outlet is connected with the hot water inlet of fan coil (10), and its cylinder sleeve water inlet connects the first outlet of three-way flow divider valve,
Its exhanst gas outlet connection chimney (13)；
The low-temperature flue gas heat regenerator (12) by its cold water inlet be passed through with cold water (27), and using the low-temperature flue gas (23)
Waste heat the cold water (27) of input is heated, delivered to as heating hot water in the fan coil (10), provide and adopt for building
Warm heat energy (33), and a part of heating hot water is separated as domestic hot-water (31)；
A part of jacket water of cylinder sleeve water- to-water heat exchanger (11) discharge enters in the low-temperature flue gas heat regenerator (12), the low temperature
Flue gas heat recovery device (12) carries out reheating using the waste heat of the low-temperature flue gas (23) to jacket water, produces industrial steam
(28), another part jacket water is delivered in the fan coil (10), with adopting for the low-temperature flue gas heat regenerator (12) discharge
Warm heat water provides heating heat energy (33) for building together, and separates a part of heating hot water as domestic hot-water (31)；
The low-temperature flue gas (23) temperature after the low-temperature flue gas heat regenerator (12) reduces, and turns into low temperature waste gas (29),
Low temperature waste gas (29) is delivered to the chimney (13) emptying by the low-temperature flue gas heat regenerator (12).
2. complementary type distributed energy resource system according to claim 1, it is characterised in that
The internal combustion engine power generation sub-system, it includes internal combustion engine (1) and generator (2), the internal combustion engine (1) have charging aperture,
Air inlet and exhanst gas outlet, the power output shaft of the internal combustion engine (1) and the power input axis connection of the generator (2), group
Into internal combustion engine generator group, the exhanst gas outlet of internal combustion engine (1) is connected to heat chemistry UTILIZATION OF VESIDUAL HEAT IN subsystem.
3. complementary type distributed energy resource system according to claim 1, it is characterised in that heat chemistry UTILIZATION OF VESIDUAL HEAT IN
System includes：Thermochemical reactor (3)；
The thermochemical reactor (3) has smoke inlet, charging aperture, exhanst gas outlet and gaseous fuel outlet, the heat chemistry
The smoke inlet of reactor (3) is connected to internal combustion engine power generation sub-system, and the exhanst gas outlet of the thermochemical reactor (3) is connected to institute
State absorption refrigeration subsystem.
4. complementary type distributed energy resource system according to claim 1, it is characterised in that
The absorption refrigeration subsystem, it includes generator (4), absorber (5), evaporator (6), condenser (7), second followed
Ring pump (14), first throttle valve (15), second throttle (16), heat exchanger (17), circulating water cooling tower (8) and first circulation pump
(9)；
Wherein, the smoke inlet of the generator (4) is passed through medium temperature flue gas caused by heat chemistry UTILIZATION OF VESIDUAL HEAT IN subsystem, and flue gas goes out
Mouth is connected to low-temperature flue gas waste heat and utilizes subsystem, and the aqueous solution outlet of the generator (4) connects the first throttle valve
(15), the outlet of the first throttle valve (15) connects the aqueous solution entrance of the absorber (5), the water of the absorber (5)
Taphole connects the second circulation pump (14), and the outlet of the second circulation pump (14) connects the water of the generator (4)
Solution inlet, the heat exchange is connected between the outlet of the first throttle valve (15) and the outlet of the second circulation pump (14)
Device (17)；
The steam outlet of the generator (4) connects the steam entry of the condenser (7), in the condenser (7)
Warm water outlet connects the second throttle (16), and the outlet of the second throttle (16) is connected in the evaporator (6)
Warm water entrance, the steam outlet of the evaporator (6) connect the steam entry of the absorber (5)；
The delivery port of the circulating water cooling tower (8) connects the first circulation pump (9), the outlet of the first circulation pump (9)
The cooling water inlet of the condenser (7) is connected, the coolant outlet of the condenser (7) connects the cold of the absorber (5)
But water inlet, the coolant outlet of the absorber (5) connect the water inlet of the circulating water cooling tower (8)；
The refrigerant water out of the evaporator (6) is connected with the refrigerant water inlet of fan coil (10), the fan coil (10)
Refrigerant water out connect the refrigerant water inlet of the evaporator (6).
5. complementary type distributed energy resource system according to claim 2, it is characterised in that
The charging aperture and air inlet of the internal combustion engine (1) each lead into fuel (24) and air (25), fuel (24) and air
(25) power output shaft rotation acting is promoted after burning in the internal combustion engine (1), power output shaft drives the generator
(2) power input axle rotation, the generator (2) is transferred to by rotating machinery work(, and the generator (2) is by rotating machinery work(
Be converted to electric energy output.
6. complementary type distributed energy resource system according to claim 3, it is characterised in that
The thermochemical reactor (3) receives the high-temperature flue gas (21) of internal combustion engine (1) discharge of the internal combustion engine power generation sub-system,
Its charging aperture is passed through raw material (36), and the high-temperature flue gas (21), which drives, occurs heat absorbing type thermalization in the thermochemical reactor (3)
Reaction is learned, the generated reactive gas fuel under the waste heat effect of the high-temperature flue gas (21), the high-temperature flue gas (21) is by inhaling
Temperature reduces after heat type thermal chemical reaction, turns into medium temperature flue gas (22), and arrange from the exhanst gas outlet of the thermochemical reactor (3)
Go out.
7. complementary type distributed energy resource system according to claim 4, it is characterised in that
The generator (4) receives the medium temperature flue gas of thermochemical reactor (3) discharge of the heat chemistry UTILIZATION OF VESIDUAL HEAT IN subsystem
(22), the working media aqueous solution in the generator (4) is heated by medium temperature flue gas (22), and water therein is vaporizated into water steaming
Gas, the rise of working media concentration of aqueous solution, and enter in the absorber (5)；
Vapor is entered in the condenser (7) by the generator (4) after above-mentioned vaporization, is condensed into middle warm water, is then entered
The evaporator (6), rapid expansion is vaporizated into vapor in the evaporator (6), and vapor enters the absorber
(5), absorbed by the working media aqueous solution in the absorber (5), the concentration of the working media aqueous solution reduces, and sends back to described
Generator (4), complete Absorption Cooling System process；
Cooling water (30) in the circulating water cooling tower (8) enters the condenser (7), by with from the generator
(4) temperature raises after vapor heat exchange, is cooled down in returning to the circulating water cooling tower (8) afterwards into the absorber (5)
And recycle；
The chilled water of the fan coil (10) enters in the evaporator (6), and the middle warm water in the evaporator (6) is rapidly
When expansion is vaporizated into vapor, a large amount of heats for absorbing chilled water, make the temperature of chilled water reduce, cold energy (34) is dropped with temperature
Chilled water after low is carrier, is back to by the evaporator (6) in the fan coil (10), in the fan coil (10)
Heat exchange is carried out with room air, reduces Indoor environment temperature；
The medium temperature flue gas (22) temperature after the absorption refrigeration subsystem reduces, and turns into low-temperature flue gas (23), by institute
State the exhanst gas outlet discharge of generator (4)；
The working media aqueous solution through the first throttle valve (15) outflow is situated between with the work that the second circulation pump (14) pumps out
The matter aqueous solution carries out heat exchange by the heat exchanger (17), and the working media aqueous solution of the generator (4) is sent in raising back to
Temperature.
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| CN106288512A (en) * | 2016-09-14 | 2017-01-04 | 中国科学院工程热物理研究所 | A kind of solar heat chemistry cooling heating and power generation system |
| CN108489141A (en) * | 2018-03-01 | 2018-09-04 | 上海燃气工程设计研究有限公司 | A kind of internal combustion engine charge air cooler circulating water exhaust heat recovery device and method |
| CN108692480A (en) * | 2018-05-28 | 2018-10-23 | 长沙理工大学 | A kind of distributed polygenerations systeme based on gasification of biomass and earth source heat pump |
| CN110185538B (en) * | 2019-05-29 | 2022-04-19 | 海南民生管道燃气有限公司 | Multi-energy complementary distributed energy system |
| CN112546864B (en) * | 2020-11-16 | 2022-09-13 | 中国华电科工集团有限公司 | SCR denitration system |
| CN112611124A (en) * | 2020-12-18 | 2021-04-06 | 海南天能电力有限公司 | Fresh air cooling, dehumidifying and desalting system of machine room driven by waste heat of internal combustion engine power |
| CN113669943B (en) * | 2021-07-24 | 2023-02-28 | 华北电力大学（保定） | Submarine multi-energy combined supply system with chemical upgrading and heat storage functions |
| CN113530667B (en) * | 2021-08-16 | 2022-04-12 | 浙江大学 | Zero-carbon-emission combined cooling heating and power system and method based on solar methanol decomposition synthesis cycle |
| CN116026057B (en) * | 2022-12-19 | 2023-08-08 | 中国石油大学(华东) | Thermochemical combined heat and power generation system based on composite solar reactor |
| CN117365696B (en) * | 2023-10-27 | 2024-06-11 | 仟亿达集团股份有限公司 | Multi-energy complementary co-production co-supply process system |
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| CN100389251C (en) * | 2005-05-27 | 2008-05-21 | 北京化工大学 | Gas power circulation system and circulation method |
| JP4197005B2 (en) * | 2006-05-15 | 2008-12-17 | トヨタ自動車株式会社 | Exhaust heat recovery device |
| CN101435367B (en) * | 2008-12-05 | 2010-12-22 | 同济大学 | Multiple-energy source yield distributed energy resource system |
| CN104533551B (en) * | 2014-08-29 | 2016-03-30 | 中国华能集团清洁能源技术研究院有限公司 | The IGCC thermal power cogeneration central heating system of recovery waste heat and method |
| CN204460843U (en) * | 2015-01-20 | 2015-07-08 | 煤炭工业济南设计研究院有限公司 | A kind of cold and hot multi-generation system based on electric power plant circulating water UTILIZATION OF VESIDUAL HEAT IN |
| CN205227916U (en) * | 2015-11-26 | 2016-05-11 | 中国科学院工程热物理研究所 | Utilize integrated thermochemical process's of internal -combustion engine tail gas complementary type distributed energy system |
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