CN110259533A - Couple the card Linne cycle waste heat generating system of lithium bromide absorbing type refrigeration - Google Patents
Couple the card Linne cycle waste heat generating system of lithium bromide absorbing type refrigeration Download PDFInfo
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- CN110259533A CN110259533A CN201910541795.XA CN201910541795A CN110259533A CN 110259533 A CN110259533 A CN 110259533A CN 201910541795 A CN201910541795 A CN 201910541795A CN 110259533 A CN110259533 A CN 110259533A
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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
- F01K21/00—Steam engine plants not otherwise provided for
- F01K21/04—Steam engine plants not otherwise provided for using mixtures of steam and gas; Plants generating or heating steam by bringing water or steam into direct contact with hot gas
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- 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
- F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
- F25B15/02—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas
- F25B15/06—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas the refrigerant being water vapour evaporated from a salt solution, e.g. lithium bromide
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
Abstract
The invention discloses a kind of card Linne cycle waste heat generating systems for coupling lithium bromide absorbing type refrigeration, including card Linne cycle generating system, refrigeration system with lithium bromide absorption and the second evaporator, the card Linne cycle generating system includes the first evaporator, gas-liquid separator, turbine, passes through turbine-driven generator, First Heat Exchanger, mixer, the second heat exchanger and the first condenser, and the refrigeration system with lithium bromide absorption includes regenerator, the second condenser, absorber and third heat exchanger.Card Linne cycle generating system is coupled by the afterheat generating system with refrigeration system with lithium bromide absorption, gives full play to the advantage that the two combines, substantially increases waste heat recovery efficiency and generating efficiency.
Description
Technical field
The present invention relates to cogeneration technology fields, and in particular to it is a kind of couple lithium bromide absorbing type refrigeration card Linne follow
Ring afterheat generating system.
Background technique
Waste heat is widely present in during various industrial process and different energy sources utilization, and it is useless to refer mainly to exhaust gas, waste water, solid
During material, high-temperature product and chemical reaction etc. it is entrained or generate, be not used by using energy source means it is useless
The energy is abandoned, and this part energy occupies the significant proportion of fuel consumption total amount, therefore, produced by all kinds of production processes
The recovery and utilization technology of waste heat, especially Low and mid temperature heat recovery utilize the exploitation of technology, have obtained worldwide concern.
Middle and low temperature waste heat power generation technology is a kind of heat recovery technology of great prospect, is generated electricity with using double-work medium
Card Linne circulation proposition and development, the generating efficiency of middle and low temperature waste heat power generation system obtained substantially improving.It is different
Larger heat transfer temperature difference in Organic Rankine Cycle caused by the phase transition process of isothermal and isobaric between evaporator and condenser, by
This circulation to be generated electricity using double-work medium that Alex doctor Kalina proposes in nineteen eighty-three, using ammonia spirit as circulation industrial
Matter the characteristics of change using ammonia spirit concentration in working medium alternating temperature transformation heat transfer process, keeps the matching of system height temperature-heat-source more preferable,
Reduce the irreversible loss in heat transfer process, which thereby enhances the generating efficiency of system.Further, since ammonia spirit is critical
Temperature is lower, can realize Low and mid temperature heat recovery power generation using middle-low temperature heat as suitable heat source using card Linne circulation.
Lithium Bromide Absorption Refrigeration Cycle uses lithium bromide water solution as cycle fluid, using water as refrigerant, bromination
This Absorption Cooling System of the lithium as absorbent needs not rely on compressor work to provide power for circulation, thus subtracts
The electric energy of few system consumption, and the same with card Linne circulation can use middle-low temperature heat as recycling required driving thermal energy,
Realize the recycling of middle-low temperature heat.Using lithium bromide absorbing type refrigeration recovery waste heat, generated cryogenic fluid is as card
The auxiliary cold source of Linne cycle generating system improves system generating efficiency, meets the principle of cascaded utilization of energy.
There is presently no a kind of designs to combine the two is effective and reasonable and is used for waste heat recycling field, thus Shen
It asks someone to have carried out beneficial exploration and trial, has found result of the above problems, scheme described below is this
It is generated under kind background.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of card Linne circulation waste heat hairs for coupling lithium bromide absorbing type refrigeration
Electric system, to improve waste heat recovery efficiency and generating efficiency.
The present invention is solved the above problems by following technological means: it is a kind of couple lithium bromide absorbing type refrigeration card Linne follow
Ring afterheat generating system, including card Linne cycle generating system, refrigeration system with lithium bromide absorption and the second evaporator;
The card Linne cycle generating system includes the first evaporator, gas-liquid separator, turbine, passes through turbine-driven hair
Motor, First Heat Exchanger, mixer, the second heat exchanger and the first condenser;The first evaporation is provided on first evaporator
The side-entrance of device high temperature, the first evaporator high temperature side outlet, the first evaporator low temperature side-entrance and the first evaporator low temperature side outlet;
The import of gas-liquid separator gas-liquid mixed, gas-liquid separator gas vent and gas-liquid separator liquid are provided on the gas-liquid separator
Body outlet;Turbine steam inlet and turbine steam exhaust outlet are provided on the turbine;First is provided on the First Heat Exchanger
The side-entrance of heat exchanger high temperature, First Heat Exchanger high temperature side outlet, the side-entrance of First Heat Exchanger low temperature and First Heat Exchanger low temperature side
Outlet;Mixer import and mixer outlet are provided on the mixer;The second heat exchange is provided on second heat exchanger
The side-entrance of device high temperature, the second heat exchanger high temperature side outlet, the second heat exchanger low temperature side-entrance and the second heat exchanger low temperature side outlet;
The first condenser inlet and the first condensator outlet are provided on first condenser;Is provided on second evaporator
Two evaporator high temperature side-entrances, the second evaporator high temperature side outlet, the second evaporator low temperature side-entrance and the second evaporator low temperature
Side outlet;
The first evaporator low temperature side outlet passes through pipeline and gas-liquid separator gas-liquid mixed inlet communication, the gas-liquid
Separator gas outlet is connected to by pipeline with turbine steam inlet, and the turbine steam exhaust outlet passes through pipeline and mixer import
Connection;The gas-liquid separator liquid outlet passes through pipeline and First Heat Exchanger high temperature side inlet communication, the First Heat Exchanger
High temperature side outlet by pipeline also with mixer inlet communication;The mixer outlet passes through pipeline and the second heat exchanger high temperature side
Inlet communication, the second heat exchanger high temperature side outlet are connected to by pipeline with the first condenser inlet, first condenser
Outlet passes through pipeline and second by pipeline and the second evaporator high temperature side inlet communication, the second evaporator high temperature side outlet
Heat exchanger low temperature side inlet communication, on the second evaporator high temperature side outlet and the connecting pipe of the second heat exchanger low temperature side-entrance
It is provided with the first solution pump, the first solution pump inlet and the second evaporator high temperature side outlet, the first solution pump discharge and the
Two heat exchanger low temperature side inlet communications;The second heat exchanger low temperature side outlet passes through pipeline and the side-entrance of First Heat Exchanger low temperature
Connection, the First Heat Exchanger low temperature side outlet pass through pipeline and the first evaporator low temperature side inlet communication;
The refrigeration system with lithium bromide absorption includes regenerator, the second condenser, absorber and third heat exchanger;It is described
The side-entrance of regenerator high temperature, regenerator high temperature side outlet, regenerator gases outlet, regenerator liquid outlet are provided on regenerator
With the second import of regenerator;The second condenser inlet and the second condensator outlet are provided on second condenser;The suction
It receives and is provided with the first import of absorber, the second import of absorber and absorber outlet on device;It is provided on the third heat exchanger
The side-entrance of third heat exchanger high temperature, third heat exchanger high temperature side outlet, third heat exchanger low temperature side-entrance and third heat exchanger are low
Warm side outlet;
The regenerator gases outlet is connected to by pipeline with the second condenser inlet, and second condensator outlet passes through
Pipeline and the second evaporator low temperature side inlet communication, the second evaporator low temperature side outlet by pipeline and absorber first into
Mouth connection, the absorber outlet are changed in absorber outlet with third by pipeline and third heat exchanger low temperature side inlet communication
The second solution pump, the second solution pump inlet and absorber outlet are provided on the pipeline of hot device low temperature side-entrance, second is molten
Liquid pump outlet and third heat exchanger low temperature side inlet communication, the third heat exchanger low temperature side outlet pass through pipeline and regenerator the
Two inlet communications;The regenerator liquid outlet passes through pipeline and third heat exchanger high temperature side inlet communication, the third heat exchange
Device high temperature side outlet passes through pipeline and the second inlet communication of absorber.
Further, first throttle is provided on the pipeline of First Heat Exchanger high temperature side outlet and mixer inlet communication
Valve, first throttle valve import and First Heat Exchanger high temperature side outlet, first throttle valve outlet and mixer inlet communication.
Further, the second section is provided on the pipeline of the second condensator outlet and the second evaporator low temperature side inlet communication
Valve is flowed, second throttle import is connected to the second condensator outlet, second throttle outlet and the second evaporator low temperature side-entrance
Connection.
Further, third section is provided on the pipeline of third heat exchanger high temperature side outlet and the second inlet communication of absorber
Flow valve, the import of third throttle valve and third heat exchanger high temperature side outlet, third throttling valve outlet and the second import of absorber
Connection.
Further, waste heat medium transmission total pipeline passes through waste heat medium the first lateral of transmission respectively and waste heat medium passes
Defeated second branched pipe road and the first evaporator high temperature side-entrance and regenerator high temperature side inlet communication transmit general pipeline in waste heat medium
Road is provided with pipeline with the junction of waste heat medium the first lateral of transmission and waste heat medium transmission second branched pipe road and is connected to
Control assembly.
Further, pipeline connection control assembly includes threeway, waste heat medium temperature transmission control unit (TCU) and power module,
Waste heat medium transmits total pipeline and transmits second point of the first lateral and waste heat medium transmission with waste heat medium respectively by threeway
Branch pipe(tube) connection, the waste heat medium temperature transmission control unit (TCU) setting are connected in threeway with waste heat medium transmission second branched pipe road
One end, the power module is electrically connected with waste heat medium temperature transmission control unit (TCU).
Further, the waste heat medium temperature transmission control unit (TCU) includes the master controller and single-chip microcontroller for being provided with single-chip microcontroller
The solenoid valve control module of electric signal connection, the temperature sensor connecting with monolithic dynamoelectric signal are connect with monolithic dynamoelectric signal
Desired temperature range regulation module, with the temperature indicators of monolithic mechatronics and setting transmit second in waste heat medium
The solenoid valve of lateral, the solenoid valve control module are electrically connected with the solenoid valve.
Further, hand-operated valve has been arranged in parallel by pipeline in the side of solenoid valve.
Beneficial effects of the present invention:
(1) cold as the auxiliary of card Linne cycle generating system using cryogenic fluid caused by lithium bromide absorbing type refrigeration
Source, meanwhile, increase the expansion ratio of turbine by reducing the pressure of card Linne circulation turbine steam exhaust, to increase card Linne circulation
Generated energy, therefore, the invention effectively realizes the raising of system generating efficiency.
(2) system operation conditions are easy to accomplish, and system equipment is less, and system flow is simple, is convenient for controlling, system investments,
Operating cost is relatively reasonable.
(3) middle-low temperature heat can be divided into higher temperature and lower temperature two flexibly using exhaust heat stepped in the way of
A part successively uses to card Linne cycle generating system and refrigeration system with lithium bromide absorption, can make full use of middle low temperature
Waste heat substantially increases utilization rate of waste heat.
(4) card Linne cycle generating system and refrigeration system with lithium bromide absorption are coupled in one by the second evaporator
It rises, two systems cooperate, and substantially increase waste heat recovery efficiency and generating efficiency.
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of an embodiment of the present invention.
Fig. 2 is that the pipeline of an embodiment of the present invention is connected to the partial structure diagram of control assembly.
Fig. 3 is that pipeline is connected to control assembly control principle schematic diagram in an embodiment of the present invention.
Specific embodiment
Below with reference to attached drawing, the present invention is described in detail, and the present invention provides a kind of coupling brominations as shown in Figure 1:
The card Linne cycle waste heat generating system of lithium-absorbing formula refrigeration, including card Linne cycle generating system, lithium bromide absorbing type refrigeration
System and the second evaporator 9.
The card Linne cycle generating system include the first evaporator 1, gas-liquid separator 2, turbine 3, by turbine driving
Generator 18, First Heat Exchanger 4, mixer 6, the second heat exchanger 7 and the first condenser 8;It is arranged on first evaporator
There are the first evaporator high temperature side-entrance 1a, the first evaporator high temperature side outlet 1b, the first evaporator low temperature side-entrance 1c and first
Evaporator low temperature side outlet 1d;Gas-liquid separator gas-liquid mixed import 2a, gas-liquid separator are provided on the gas-liquid separator
Gas vent 2b and gas-liquid separator liquid outlet 2c;Turbine steam inlet 3a and turbine steam exhaust outlet are provided on the turbine
3b;It is provided with First Heat Exchanger high temperature side-entrance 4a on the First Heat Exchanger, First Heat Exchanger high temperature side outlet 4b, first changes
Hot device low temperature side-entrance 4c and First Heat Exchanger low temperature side outlet 4d;Mixer import 6a and mixing are provided on the mixer
Device exports 6b;Be provided on second heat exchanger the second heat exchanger high temperature side-entrance 7a, the second heat exchanger high temperature side outlet 7b,
Second heat exchanger low temperature side-entrance 7c and the second heat exchanger low temperature side outlet 7d;The first condensation is provided on first condenser
Device import 8a and the first condensator outlet 8b;The second evaporator high temperature side-entrance 9a, second are provided on second evaporator
Evaporator high temperature side outlet 9b, the second evaporator low temperature side-entrance 9c and the second evaporator low temperature side outlet 9d.First evaporator,
The inside of second evaporator, First Heat Exchanger and the second heat exchanger has mutually been independently arranged high-temperature medium channel and cryogenic media
Channel can make the medium progress of the two internal circulation is cold and hot to exchange, high temperature side between high-temperature medium channel and cryogenic media channel
Import and export is connected to the both ends in high-temperature medium channel respectively, and low temperature side import and export connects with the both ends in cryogenic media channel respectively
It is logical.
The first evaporator low temperature side outlet passes through pipeline and gas-liquid separator gas-liquid mixed inlet communication, the gas-liquid
Separator gas outlet is connected to by pipeline with turbine steam inlet, and the turbine steam exhaust outlet passes through pipeline and mixer import
Connection;The gas-liquid separator liquid outlet passes through pipeline and First Heat Exchanger high temperature side inlet communication, the First Heat Exchanger
High temperature side outlet by pipeline also with mixer inlet communication, it is preferable that be provided with first throttle valve 5 on the pipeline, first
Throttle valve import 5a and First Heat Exchanger high temperature side outlet, first throttle valve outlet 5b and mixer inlet communication, first
Throttle valve is for regulating and controlling to enter the ammonium hydroxide flow and ammonium hydroxide pressure of mixer 6 from First Heat Exchanger high temperature side outlet;The mixing
By pipeline and the second heat exchanger high temperature side inlet communication, the second heat exchanger high temperature side outlet passes through pipeline and for device outlet
The connection of one condenser inlet, first condensator outlet is by pipeline and the second evaporator high temperature side inlet communication, and described the
Two evaporator high temperature side outlets by pipeline and the second heat exchanger low temperature side inlet communication, in the second evaporator high temperature side outlet and
The first solution pump 10 is provided on the connecting pipe of second heat exchanger low temperature side-entrance, the first solution pump inlet 10a and second steams
Send out device high temperature side outlet, the first solution pump discharge 10b and the second heat exchanger low temperature side inlet communication;Second heat exchanger
Low temperature side outlet passes through pipeline by pipeline and First Heat Exchanger low temperature side inlet communication, the First Heat Exchanger low temperature side outlet
With the first evaporator low temperature side inlet communication.
The refrigeration system with lithium bromide absorption includes regenerator 11, the second condenser 12, absorber 16 and third heat exchange
Device 14;Regenerator high temperature side-entrance 11a, regenerator high temperature side outlet 11b, regenerator gases outlet are provided on the regenerator
11c, regenerator liquid outlet 11d and the second import of regenerator 11e;The second condenser inlet is provided on second condenser
12a and the second condensator outlet 12b;The first import of absorber 16a, the second import of absorber 16b are provided on the absorber
16c is exported with absorber;Third heat exchanger high temperature side-entrance 14a, third heat exchanger high temperature are provided on the third heat exchanger
Side outlet 14b, third heat exchanger low temperature side-entrance 14c and third heat exchanger low temperature side outlet 14d.The inside phase of third heat exchanger
Both it mutually has been independently arranged high-temperature medium channel and cryogenic media channel, can make between high-temperature medium channel and cryogenic media channel
The medium of internal circulation carries out cold and hot exchange, and high temperature side import and export is connected to the both ends in high-temperature medium channel respectively, low temperature side
Import and export is connected to the both ends in cryogenic media channel respectively.
The regenerator gases outlet is connected to by pipeline with the second condenser inlet, and second condensator outlet passes through
Pipeline and the second evaporator low temperature side inlet communication, it is preferable that second throttle 13, second throttle are provided on the pipeline
Import 13a is connected to the second condensator outlet, second throttle outlet 13b and the second evaporator low temperature side inlet communication, and second
Throttle valve is for regulating and controlling to enter from the second condensator outlet the condensate flow and hydraulic pressure of the second evaporator low temperature side-entrance;It is described
Second evaporator low temperature side outlet passes through pipeline and third by pipeline and the first inlet communication of absorber, the absorber outlet
Heat exchanger low temperature side inlet communication is provided with the second solution on the pipeline of absorber outlet and the low temperature side-entrance of third heat exchanger
Pump 17, the second solution pump inlet 17a and absorber outlet, the second solution pump discharge 17b and third heat exchanger low temperature side into
Mouth connection, the third heat exchanger low temperature side outlet pass through pipeline and the second inlet communication of regenerator;The regenerator liquid discharge
Mouth passes through pipeline and absorber by pipeline and third heat exchanger high temperature side inlet communication, the third heat exchanger high temperature side outlet
Second inlet communication is provided with third throttle valve 15, third throttle valve import 15a and third heat exchanger high temperature side on the pipeline
Outlet, third throttling valve outlet 15b and the second inlet communication of absorber, third throttle valve is for regulating and controlling from third heat exchanger
Outlet 14b enters the flow and rate of the dense lithium-bromide solution of the second import of absorber.
Referring to Fig. 2, waste heat medium transmission total pipeline A passes through waste heat medium respectively and transmits the first lateral A1 and waste heat Jie
Matter transmits second branched pipe road A2 and the first evaporator high temperature side-entrance and regenerator high temperature side inlet communication, passes in waste heat medium
Defeated total pipeline and waste heat medium transmit the first lateral and the junction in waste heat medium transmission second branched pipe road is provided with pipe
Road is connected to control assembly 19.
The detailed process of card Linne circulation cogeneration are as follows: the first evaporator high temperature side-entrance 1a reception is passed by waste heat medium
The middle-low temperature heat medium of defeated first lateral A1 transmission and base fluid, that is, ammonia spirit, shape are recycled by waste-heat card Linne
At gas-liquid mixed solution, gas-liquid mixed solution flows out, from the first evaporator low temperature side outlet 1d through gas-liquid separator gas-liquid mixed
Import 2a flows into gas-liquid separator 2, and ammonia spirit is carried out gas-liquid separation by gas-liquid separator;Rich ammonia steam is from gas-liquid separator gas
Body exports 2b outflow, flows into turbine through turbine steam inlet 3a, and turbine acting drives the generator 18 connecting with turbine to send out in turn
Electricity.
The specific media flow and heat exchanging process of card Linne circulation cogeneration are as follows: after gas-liquid separation, ammonia concn becomes
Low, the liquor ammoniae dilutus of higher temperatures flows into first from the outflow of gas-liquid separator liquid outlet, through First Heat Exchanger high temperature side import and changes
The high-temperature medium channel of hot device, then mixer is flowed into after First Heat Exchanger high temperature side outlet outflow, through mixer import, together
When, the steam exhaust generated after turbine acting flows into mixer after turbine steam exhaust outlet outflow, also through mixer import, in mixer
Interior, since temperature is relatively high, the amount of ammonia dissolution is limited, and therefore, what is flowed out from mixer outlet is still the higher gas of temperature
The liquor ammoniae dilutus of liquid mixing, the liquor ammoniae dilutus of the gas-liquid mixed flow into the height of the second heat exchanger through the second heat exchanger high temperature side import
Warm medium channel, then followed by cooling down behind the high-temperature medium channel of the first condenser and the second evaporator, ammonia dissolution is formed
The liquor ammoniae fortis of low temperature, the liquor ammoniae fortis is after the first solution pump followed by the low of the second heat exchanger and First Heat Exchanger
Warm medium channel, the dilute ammonia of high temperature in the second heat exchanger and First Heat Exchanger, in low temperature liquor ammoniae fortis and high-temperature medium channel
Solution carries out cold and hot exchange, and the suitable circulation base fluid of concentration is formed after the preheating of low temperature liquor ammoniae fortis, heating finally through the first evaporation
Device low temperature side import flows into the first evaporator, repeatedly, circulating generation, wherein the first solution pump is the circulation of card Linne matrix
Flowing provides power.
The specific media flow and heat exchanging process of lithium bromide absorbing type refrigeration are as follows: on the one hand, regenerator high temperature side-entrance
11a receives the middle-low temperature heat medium by the transmission second branched pipe road A2 transmission of waste heat medium and is inhaled by waste-heat lithium bromide
Receipts formula refrigeration system working medium, that is, lithium-bromide solution adds thermogenetic vapor flow out from regenerator gases outlet 11c, is cold through second
Condenser import 12a flows into the second condenser 12, and water vapour is condensed into water as refrigerant by the second condenser, and water as refrigerant is from the second condenser
It exports 12b outflow, flow into the cryogenic media channel of the second evaporator 9 through the second evaporator low temperature side import, heat absorption becomes water steaming
Again through the second evaporator low temperature side outlet outflow, through absorber the first import inflow absorber after vapour.On the other hand, high temperature is dense
Lithium-bromide solution flows into the high-temperature medium of third heat exchanger from the outflow of regenerator liquid outlet, through third heat exchanger high temperature side import
Channel, then flow out, from the outlet of third heat exchanger high temperature side through absorber the second import inflow absorber, in absorber, dense bromine
Change lithium solution to absorb water vapour and gradually reduce its solution concentration and become lithium bromide weak solution, lithium bromide weak solution is molten second
Under the pumping of liquid pump, again through regenerator the after third heat exchanger low temperature side import flows into the cryogenic media channel of third heat exchanger
Two imports flow into regenerator, such circulation absorbing type refrigeration, wherein the second solution pump is following for lithium bromide absorbing type refrigeration working medium
Circulation is dynamic to provide power.
In the second evaporator, flow through the water cooling agent in cryogenic media channel with flow through the liquor ammoniae fortis in high-temperature medium channel into
The cold and hot exchange of row, the heat of liquor ammoniae fortis is absorbed by water cooling agent, and the auxiliary that card Linne cycle generating system is served as in water cooling agent is cold
Source advantageously reduces the pressure of card Linne circulation turbine steam exhaust to increase the expansion ratio of turbine, to increase card Linne circulation
Generated energy, effectively increase generating efficiency.
In third heat exchanger, the dense lithium-bromide solution of high temperature and dilute lithium-bromide solution of low temperature carry out it is cold and hot exchange, it is low
The suitable circulation base fluid of concentration is formed after dilute lithium-bromide solution heating of temperature.
Preferably, the first evaporator 1, First Heat Exchanger 4, the second heat exchanger 7, the first condenser 8, the second evaporator 9, again
Raw device 11, the second condenser 12, third heat exchanger 14 and absorber 16 take indirect contact heat exchange mode.
Preferably, the first condenser 8, the second condenser 12 and absorber 16 take cooling water to carry out cooling mode.
As further improvement to above-mentioned technical proposal, referring to shown in Fig. 2, Fig. 3, card Linne circulatory system waste heat medium
The first lateral A1 and refrigeration system with lithium bromide absorption waste heat medium the second multi-branch transport pipe A2 is transmitted to connect by pipeline
Logical control assembly 19 is simultaneously connected to waste heat medium transmission total pipeline A, wherein it includes threeway, waste heat Jie that pipeline, which is connected to control assembly 19,
Matter temperature transmission control unit (TCU), waste heat medium flows through threeway from waste heat medium transmission total pipeline A, and follows through distributing T-pipe to card Linne
Loop system waste heat medium transmits the first lateral A1 and refrigeration system with lithium bromide absorption waste heat medium transmits second branched pipe
That one end of road A2, threeway connection refrigeration system with lithium bromide absorption waste heat medium transmission second branched pipe road A2 are provided with and electricity
The waste heat medium temperature transmission control unit (TCU) of source module electrical connection.Wherein, waste heat medium temperature transmission control unit (TCU) includes to be provided with list
The master controller of piece machine 19c, the solenoid valve control module 19g being connect with single-chip microcontroller 19c electric signal and single-chip microcontroller 19c electric signal
The temperature sensor 19e of connection, the desired temperature range being connect with single-chip microcontroller 19c electric signal regulation module 19d and single-chip microcontroller
The temperature indicator 19f of the electrical connection and solenoid valve 19a that waste heat medium transmission second branched pipe road is set, wherein solenoid valve
Control module 19g is electrically connected with solenoid valve 19a.
Temperature sensor 19e, which detects the waste heat medium temperature in pipe path and is electrically connected signal, is transferred to single-chip microcontroller 19c,
Electrical connection signal is transferred to temperature indicator 19f after single-chip microcontroller 19c decodes it operation, and temperature indicator 19f shows that waste heat is situated between
Matter real time temperature, waste heat medium real time temperature manipulation desired temperature range regulation module 19d setting of the worker according to display
Target zone value.If waste heat medium temperature it is higher and recycle value it is big when, preferably take it is exhaust heat stepped by the way of i.e.
Medium waste heat is first recycled by card Linne system circulation, after be brominated lithium-absorbing formula refrigeration and utilize.
Data communication protocol setting based on single-chip microcontroller 19c, the waste heat medium that worker shows according to temperature indicator 19f
Temperature simultaneously combines actual conditions manipulation desired temperature range to regulate and control module 19d, and setting one is better suited to be lower than waste heat medium
Temperature value, desired temperature range regulation module 19d electrical connection signal be transferred to single-chip microcontroller 19f, single-chip microcontroller 19f is through digital-to-analogue
Converter, which receives processing electric signal and will be executed by amplifying circuit, orders electrical connection signal to be transferred to solenoid valve control module
19g controls the opening and closing of solenoid valve 19a by solenoid valve control module 19g.When desired temperature range regulates and controls module
When the temperature value of 19d setting is lower than waste heat medium temperature, solenoid valve control module 19g controls solenoid valve 19a closure, remaining at this time
Thermal medium only flows to card Linne circulatory system waste heat medium and transmits the first lateral A1, first recycles benefit by card Linne system circulation
With, after be brominated lithium-absorbing formula refrigeration using formed tandem utilize waste heat medium power generation couple state.When waste heat medium gradually
Cooling, if waste heat medium temperature is lower than the temperature that desired temperature range regulation module 19g is set, solenoid valve control module
19g control solenoid valve 19a open, waste heat medium shunt to card Linne circulatory system waste heat medium transmit the first lateral A1 and
Refrigeration system with lithium bromide absorption waste heat medium transmits the coupling that second branched pipe road A2 is formed and grade utilizes waste heat medium to generate electricity
State.
To ensure that the card Linne circulatory system is coupled with refrigeration system with lithium bromide absorption and grade is using orderly progress, in electromagnetism
The side of valve 19a is parallel with a hand-operated valve 19b by pipeline, when solenoid valve 19a failure, have a power failure or according to actual needs when can be with
Opening hand-operated valve 19b keeps pipe path unobstructed.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (8)
1. a kind of card Linne cycle waste heat generating system for coupling lithium bromide absorbing type refrigeration, it is characterised in that: including card Linne
Cycle generating system, refrigeration system with lithium bromide absorption and the second evaporator (9);
The card Linne cycle generating system include the first evaporator (1), gas-liquid separator (2), turbine (3), by turbine drive
Dynamic generator (18), First Heat Exchanger (4), mixer (6), the second heat exchanger (7) and the first condenser (8);Described first
It is low that the first evaporator high temperature side-entrance (1a), the first evaporator high temperature side outlet (1b), the first evaporator are provided on evaporator
Warm side-entrance (1c) and the first evaporator low temperature side outlet (1d);It is mixed that gas-liquid separator gas-liquid is provided on the gas-liquid separator
Close import (2a), gas-liquid separator gas vent (2b) and gas-liquid separator liquid outlet (2c);It is provided on the turbine
Flat steam inlet (3a) and turbine steam exhaust outlet (3b);First Heat Exchanger high temperature side-entrance is provided on the First Heat Exchanger
(4a), First Heat Exchanger high temperature side outlet (4b), First Heat Exchanger low temperature side-entrance (4c) and First Heat Exchanger low temperature side outlet
(4d);Mixer import (6a) and mixer outlet (6b) are provided on the mixer;It is provided on second heat exchanger
Second heat exchanger high temperature side-entrance (7a), the second heat exchanger high temperature side outlet (7b), the second heat exchanger low temperature side-entrance (7c) and
Second heat exchanger low temperature side outlet (7d);The first condenser inlet (8a) and the first condenser are provided on first condenser
It exports (8b);The second evaporator high temperature side-entrance (9a), the second evaporator high temperature side outlet are provided on second evaporator
(9b), the second evaporator low temperature side-entrance (9c) and the second evaporator low temperature side outlet (9d);
The first evaporator low temperature side outlet passes through pipeline and gas-liquid separator gas-liquid mixed inlet communication, the gas-liquid separation
Device gas vent is connected to by pipeline with turbine steam inlet, and the turbine steam exhaust outlet is connected by pipeline and mixer import
It is logical;For the gas-liquid separator liquid outlet by pipeline and First Heat Exchanger high temperature side inlet communication, the First Heat Exchanger is high
Warm side outlet by pipeline also with mixer inlet communication;The mixer outlet by pipeline and the second heat exchanger high temperature side into
Mouth connection, the second heat exchanger high temperature side outlet are connected to by pipeline with the first condenser inlet, and first condenser goes out
Mouth is changed by pipeline with second by pipeline and the second evaporator high temperature side inlet communication, the second evaporator high temperature side outlet
Hot device low temperature side inlet communication is set on connecting pipe of the second evaporator high temperature side outlet with the second heat exchanger low temperature side-entrance
It is equipped with the first solution pump (10), the first solution pump inlet (10a) and the second evaporator high temperature side outlet, the first solution pump out
Mouth (10b) and the second heat exchanger low temperature side inlet communication;The second heat exchanger low temperature side outlet passes through pipeline and the first heat exchange
Device low temperature side inlet communication, the First Heat Exchanger low temperature side outlet pass through pipeline and the first evaporator low temperature side inlet communication;
The refrigeration system with lithium bromide absorption includes that regenerator (11), the second condenser (12), absorber (16) and third are changed
Hot device (14);Regenerator high temperature side-entrance (11a), regenerator high temperature side outlet (11b), regenerator are provided on the regenerator
Gas vent (11c), regenerator liquid outlet (11d) and the second import of regenerator (11e);It is provided on second condenser
Second condenser inlet (12a) and the second condensator outlet (12b);The first import of absorber is provided on the absorber
(16a), the second import of absorber (16b) and absorber outlet (16c);It is high that third heat exchanger is provided on the third heat exchanger
Warm side-entrance (14a), third heat exchanger high temperature side outlet (14b), third heat exchanger low temperature side-entrance (14c) and third heat exchanger
Low temperature side outlet (14d);
The regenerator gases outlet is connected to by pipeline with the second condenser inlet, and second condensator outlet passes through pipeline
With the second evaporator low temperature side inlet communication, the second evaporator low temperature side outlet is connected by pipeline and the first import of absorber
Logical, the absorber outlet is by pipeline and third heat exchanger low temperature side inlet communication, in absorber outlet and third heat exchanger
It is provided on the pipeline of low temperature side-entrance the second solution pump (17), the second solution pump inlet (17a) and absorber outlet, the
Two solution pump discharges (17b) and third heat exchanger low temperature side inlet communication, the third heat exchanger low temperature side outlet pass through pipeline
With the second inlet communication of regenerator;The regenerator liquid outlet passes through pipeline and third heat exchanger high temperature side inlet communication, institute
It states third heat exchanger high temperature side outlet and passes through pipeline and the second inlet communication of absorber.
2. the card Linne cycle waste heat generating system of coupling lithium bromide absorbing type refrigeration according to claim 1, feature
It is: is provided with first throttle valve (5), first segment on the pipeline of First Heat Exchanger high temperature side outlet and mixer inlet communication
Flow valve import (5a) and First Heat Exchanger high temperature side outlet, first throttle valve outlet (5b) and mixer inlet communication.
3. the card Linne cycle waste heat generating system of coupling lithium bromide absorbing type refrigeration according to claim 2, feature
It is: is provided with second throttle (13) on the pipeline of the second condensator outlet and the second evaporator low temperature side inlet communication,
Second throttle import (13a) is connected to the second condensator outlet, and second throttle exports (13b) and the second evaporator low temperature side
Inlet communication.
4. the card Linne cycle waste heat generating system of coupling lithium bromide absorbing type refrigeration according to claim 3, feature
It is: is provided with third throttle valve (15) on the pipeline of third heat exchanger high temperature side outlet and the second inlet communication of absorber,
Third throttle valve import (15a) and third heat exchanger high temperature side outlet, third throttling valve outlet (15b) and absorber second
Inlet communication.
5. the card Linne of coupling lithium bromide absorbing type refrigeration according to any one of claims 1-4 recycles cogeneration system
System, it is characterised in that: waste heat medium transmission total pipeline passes through waste heat medium respectively and transmits the first lateral and waste heat medium biography
Defeated second branched pipe road and the first evaporator high temperature side-entrance and regenerator high temperature side inlet communication transmit general pipeline in waste heat medium
Road is provided with pipeline with the junction of waste heat medium the first lateral of transmission and waste heat medium transmission second branched pipe road and is connected to
Control assembly (19).
6. the card Linne cycle waste heat generating system of coupling lithium bromide absorbing type refrigeration according to claim 5, feature
Be: the pipeline connection control assembly includes threeway, waste heat medium temperature transmission control unit (TCU) and power module, and waste heat medium passes
Defeated total pipeline transmits the first lateral by threeway with waste heat medium respectively and waste heat medium transmits second branched pipe road and is connected to,
One end that threeway is connected to waste heat medium transmission second branched pipe road is arranged in the waste heat medium temperature transmission control unit (TCU), described
Power module is electrically connected with waste heat medium temperature transmission control unit (TCU).
7. the card Linne cycle waste heat generating system of coupling lithium bromide absorbing type refrigeration according to claim 6, feature
Be: the waste heat medium temperature transmission control unit (TCU) includes the master controller for being provided with single-chip microcontroller (19c) and monolithic dynamoelectric signal
The solenoid valve control module (19g) of connection, the temperature sensor (19e) being connect with monolithic dynamoelectric signal and monolithic dynamoelectric signal
Connection desired temperature range regulation module (19d), with the temperature indicator (19f) of monolithic mechatronics and setting remaining
Thermal medium transmits the solenoid valve (19a) in second branched pipe road, and the solenoid valve control module is electrically connected with the solenoid valve.
8. the card Linne cycle waste heat generating system of coupling lithium bromide absorbing type refrigeration according to claim 7, feature
It is: hand-operated valve (19b) has been arranged in parallel by pipeline in the side of solenoid valve.
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