CN207180090U - A kind of gas internal-combustion engine drives double-effect lithium bromide absorption type heat pump assembly - Google Patents

A kind of gas internal-combustion engine drives double-effect lithium bromide absorption type heat pump assembly Download PDF

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CN207180090U
CN207180090U CN201720795899.XU CN201720795899U CN207180090U CN 207180090 U CN207180090 U CN 207180090U CN 201720795899 U CN201720795899 U CN 201720795899U CN 207180090 U CN207180090 U CN 207180090U
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water
solution
heat
combustion engine
gas internal
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魏璠
李军
马玖辰
梁盼
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Tianjin Chengjian University
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Tianjin Chengjian University
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/27Relating to heating, ventilation or air conditioning [HVAC] technologies
    • Y02A30/274Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/62Absorption based systems
    • Y02B30/625Absorption based systems combined with heat or power generation [CHP], e.g. trigeneration

Abstract

It the utility model is related to a kind of gas internal-combustion engine driving double-effect lithium bromide absorption type heat pump assembly, it includes gas internal-combustion engine thermal source water circulation system, double-effect lithium bromide absorption type heat pump and heat user water supply and return system, thermal source of the gas internal-combustion engine waste heat directly as absorption heat pump, utilization to smoke discharging residual heat and jacket water waste heat can be realized simultaneously using economic benefits and social benefits configuration, reduce reclaimer;Supplemental heat source of the steam of high pressure generator as low pressure generator, it make use of steam waste heat and compensate for the deficiency of jacket water waste heat, furthermore achieved that the cascade utilization of energy, improve energy utilization efficiency, expand adjustable range, applicability is wider;The evaporation ends and condensation end of heat pump are connected with user's pipe-line system respectively, and chilled water and heating water are provided respectively by the switching of valve;The cooling water of heat pump is dissipated by cooling tower, and heat source water is heated by jacket water, compensate for the deficiency that winter heat source temperature is too low, and source pump can not be run.

Description

A kind of gas internal-combustion engine drives double-effect lithium bromide absorption type heat pump assembly
Technical field
The utility model belongs to gas internal-combustion engine heat recovery technology field, more particularly to a kind of driving pair of gas internal-combustion engine Imitate lithium bromide absorption type heat pump device.
Background technology
In building distributed triple-generation system, gas internal-combustion engine is widely applied as generator proper.Combustion Waste heat is various informative caused by gas internal combustion engine:Flue gas, jacket-cooling water, oil cooler and charge air cooler cooling water, block surfaces radiating. Wherein, the waste heat of flue gas and jacket-cooling water is the principal mode for needing to be recycled.Flue-gas temperature is typically on 400 DEG C of left sides The right side, generally utilize waste heat boiler steam or hot water;The temperature of jacket-cooling water is inhaled between 80~120 DEG C available for single-action Receipts formula refrigeration machine cooling or heat exchanger supplying hot water.In conventional system, absorption installation is only used for refrigeration and produces chilled water, heating season Season because heat source temperature is relatively low and out of service, causes the function of absorption installation to fail whole realizations.Waste heat recovery effect is also It is unstable, especially it can not realize effective utilization to jacket water season in refrigeration, and the engineering that Heating Season has is straight in order to reduce expenditure Connect and dissipate, cause the waste of the energy and resource.
Recycling to waste heat will more carry out rational system configuration on the basis of waste heat source feature itself is considered, On the premise of recovering effect is ensured, system advantage is played, realizes optimization recovery.
Utility model content
The purpose of this utility model is overcome the deficiencies in the prior art, there is provided one kind is using double-effect lithium bromide absorption type heat The new equipment of gas internal-combustion engine waste heat is received in blowback, can be realized according to temperature feature and smoke evacuation and the optimization of jacket water waste heat are returned Receive, improve device service efficiency and system thermal efficiency.
The utility model solves its technical problem and is achieved through the following technical solutions:
A kind of gas internal-combustion engine drives double-effect lithium bromide absorption type heat pump assembly, it is characterised in that:Including gas internal-combustion engine Thermal source water circulation system, double-effect lithium bromide absorption type heat pump and heat user water supply and return system;The gas internal-combustion engine thermal source Water circulation system includes gas internal-combustion engine, and the exhaust opening of gas internal-combustion engine is connected with flue one end, and flue passes through height In pressure solution liquid generator, the other end leads to smoke evacuation outlet;The outlet of the gas internal-combustion engine jacket water is connected with water knockout drum, divides water One end outlet of device is connected with water water- to-water heat exchanger, and other end outlet enters hypotonic solution generator;The water water- to-water heat exchanger outlet End, hypotonic solution generator exports end are connected with the import of water collector, and the outlet of the water collector is connected with the import of jacket water; The thermal source water out of evaporator is connected with the thermal source water inlet of water water- to-water heat exchanger, the outlet connection evaporimeter thermal source of water water- to-water heat exchanger The import of water, form gas internal-combustion engine thermal source water circulation system;
The double-effect lithium bromide absorption type heat pump includes the high-pressure solution generator, and the of high-pressure solution generator One vapor connecting tube is sequentially connected hypotonic solution generator and the second expansion valve;Second water of the hypotonic solution generator steams First vapor connecting tube UNICOM of gas connecting tube and the 3rd expansion valve outlet, then it is sequentially connected condenser, the 4th swollen Swollen valve, evaporator and solution absorber;The bottom solution outlet of described high-pressure solution generator is sequentially connected pyrosol Heat exchanger, the first expansion valve, it is connected with the solution inlet port pipe of hypotonic solution generator;Described hypotonic solution generator bottom Taphole pipe is sequentially connected cryogenic fluid heat exchanger, the second expansion valve, is connected with the solution inlet port pipe of absorber;It is described molten Liquid absorber bottom taphole pipe is sequentially connected the first solution pump, cryogenic fluid heat exchanger, the second solution pump, pyrosol and changed Hot device, it is connected with high-pressure solution generator solution inlet port pipe;
The heat user water supply and return system supplies water return pipeline including one, two, three branch roads, is sequentially connected solution absorption all the way Device, condenser make backwater be connected after heating up with supply channel;It is connected after another way connection evaporator cooling with supply channel;3rd Road is connected after being sequentially connected described solution absorber, condenser and cooling tower cooling with condenser inlet, forms summer work The cooling water circulation of condition.
One, two, three described branch roads on water return pipeline for being respectively mounted block valve.
The advantages of the utility model and have the beneficial effect that:
1st, gas internal-combustion engine driving double-effect lithium bromide absorption type heat pump assembly of the present utility model, builds economic benefits and social benefits bromination first Lithium-absorbing formula heat pump, the system are exchanged heat by condenser, evaporator, absorber, high pressure generator, low pressure generator, solution The parts such as device, pump and valve form, and system uses three pressure ratings, and high pressure generator and pyrosol heat exchanger are high-pressure side, Low pressure generator, cryogenic fluid heat exchanger and condenser are medium voltage side, and evaporator and absorber are low-pressure side;Gas engine External heat source of the smoke discharging residual heat as high pressure generator, the lithium-bromide solution from absorber are heated into high pressure generator Evaporation;The external heat of vapor caused by high pressure generator and the jacket water waste heat of gas engine as low pressure generator Source, pressure generator is evaporated by reheating during the solution from high pressure generator enters;Steam caused by regenerative process mixes twice Entering condenser after conjunction turns into condensate;Pressure further reduces after the expanded valve throttling of condensate, into evaporator;Evaporating Device side absorbs outside heat evaporation, molten with the dense lithium bromide after low pressure generator and decrease temperature and pressure subsequently into absorber Liquid contacts, and completes absorption process;Absorb dilute lithium-bromide solution after vapor and return to high pressure generator after heating supercharging, it is complete Circulated into solution;Jacket-cooling water is divided into two branch roads, tie point connection low pressure generator, the connection water water heat exchange of the second branch road Device;Under summer condition, the second road branch road is closed, and cooling water fully enters low pressure generator;Under winter condition, the second branch road is opened Open, a part of cooling water enters water water- to-water heat exchanger, heat source water, heat is provided for evaporator.
2nd, gas internal-combustion engine driving double-effect lithium bromide absorption type heat pump assembly of the present utility model, gas internal-combustion engine waste heat are straight The thermal source as absorption heat pump is connect, the utilization to smoke discharging residual heat and jacket water waste heat can be realized simultaneously using economic benefits and social benefits configuration, subtracted Reclaimer is lacked;Supplemental heat source using the steam of high pressure generator as low pressure generator, make use of steam waste heat and makes up The deficiency of jacket water waste heat, furthermore achieved that the cascade utilization of energy, improves energy utilization efficiency, expands regulation model Enclose, applicability is wider.The evaporation ends and condensation end of heat pump are connected with user's pipe-line system respectively, are carried respectively by the switching of valve For chilled water and heating water;The cooling water of heat pump is dissipated by cooling tower, and heat source water is heated by jacket water, compensate for winter heat Source temperature is too low, the deficiency that source pump can not be run.
Brief description of the drawings
Fig. 1 is system flow chart of the present utility model.
Description of reference numerals
1- gas internal-combustion engines;2- high-pressure solution generators;3- hypotonic solution generators;4- solution absorbers;5- condensers; 6- evaporators;7- pyrosol heat exchangers;8- cryogenic fluid heat exchangers;The solution pumps of 9- second;The solution pumps of 10- first;11- first Expansion valve;The expansion valves of 12- second;The expansion valves of 13- the 3rd;The expansion valves of 14- the 4th;15- cooling towers;The block valves of 16- first;17- Second block valve;The block valves of 18- the 3rd;The block valves of 19- the 4th;The block valves of 20- the 5th;The block valves of 21- the 6th;The 7th section of 22- Disconnected valve;The block valves of 23- the 8th;The block valves of 24- the 9th;25- water water- to-water heat exchangers;26- water knockout drums;27- water collectors;The tenth section of 28- Disconnected valve;The block valves of 29- the 11st.
Embodiment
Below by specific embodiment, the utility model is described in further detail, following examples be it is descriptive, no It is limited, it is impossible to which the scope of protection of the utility model is limited with this.
A kind of gas internal-combustion engine drives double-effect lithium bromide absorption type heat pump assembly, including gas internal-combustion engine system, economic benefits and social benefits bromine Change lithium-absorbing formula heat pump and heat user water supply and return system.
Gas internal-combustion engine system includes gas internal-combustion engine 1, the exhaust opening of the gas internal-combustion engine 1 and one end of flue It is connected, described flue is passed through in high-pressure solution generator 2, and the other end leads to smoke evacuation outlet;Described gas internal-combustion engine 1 The outlet of jacket water is connected with water knockout drum 26, and exit end is connected with water water- to-water heat exchanger 25, and the other end enters hypotonic solution Device 3;The port of export of water water- to-water heat exchanger 25, the port of export of hypotonic solution generator 3 are connected with the import of water collector 27, described to catchment The outlet of device 27 is connected with the import of jacket water;The outlet of the described heat source water of evaporator 6 and the heat source water of water water- to-water heat exchanger 25 Import is connected, and the import of the outlet connection heat source water of evaporator 6, forms thermal source water circulation system.
Double-effect lithium bromide absorption type heat pump includes high-pressure solution generator 2, and the of described high-pressure solution generator 2 One vapor connecting tube is sequentially connected the expansion valve 13 of hypotonic solution generator 3 and the 3rd;The of described hypotonic solution generator 3 The first vapor connecting tube UNICOM that two vapor connecting tubes export with the 3rd described expansion valve 13, is then sequentially connected condensation Device 5, the 4th expansion valve 14, evaporator 6 and solution absorber 4.The bottom solution outlet of described high-pressure solution generator 2 according to Secondary connection pyrosol heat exchanger 7, the first expansion valve 11, are connected with the solution inlet port pipe of hypotonic solution generator 3;Described The bottom solution outlet of hypotonic solution generator 3 is sequentially connected cryogenic fluid heat exchanger 8, the second expansion valve 12, with absorber 14 Solution inlet port pipe be connected;It is molten that the bottom solution outlet of solution absorber 14 is sequentially connected the first solution pump 10, low temperature Liquid heat exchanger 8, the second solution pump 9, pyrosol heat exchanger 7, it is connected with the solution inlet port pipe of high-pressure solution generator 2.
The heat user water supply and return system is divided into three tunnels for water return pipeline.Described absorber is wherein sequentially connected all the way 14th, condenser 5 makes backwater be connected after heating up with supply channel;The described evaporator 6 of another way connection cool after with supply channel It is connected;3rd tunnel is sequentially connected after described absorber 14, condenser 5 and cooling tower 15 cool to be connected with the entrance of condenser 5 It is logical, form the cooling water circulation of summer condition.Three above branch road is controlled by block valve.
The utility model gas internal-combustion engine driving double-effect lithium bromide absorption type heat pump assembly operation principle be:
Driving heat of the smoke discharging residual heat of gas internal-combustion engine 1 as double-effect lithium bromide absorption type heat pump high-pressure solution generator 2 Lithium-bromide solution in source heating high-pressure solution generator 2, lithium-bromide solution are heated evaporation and produce vapor and denseer bromination Lithium solution, described denseer lithium-bromide solution enter pyrosol heat exchanger 7, with the dilute bromination of low temperature from the first solution pump 9 Lithium solution is exchanged heat, and temperature enters 11 further decrease temperature and pressure of the first expansion valve after reducing, into hypotonic solution generator 3; The described inside of hypotonic solution generator 3 has two heat exchanger channels, jacket water waste heat and the high-pressure solution hair of gas internal-combustion engine 1 The vapor of raw device 2 heats the denseer lithium-bromide solution from the first expansion valve 11 into hypotonic solution generator 3, and solution enters one Step evaporation produces vapor and dense lithium-bromide solution;Described dense lithium-bromide solution enters cryogenic fluid heat exchanger 8, and from Dilute lithium-bromide solution of two solution pumps 10 is exchanged heat, after cooling enter 12 further decrease temperature and pressure of the second expansion valve after enter it is molten Liquid absorber 4;The dense lithium-bromide solution of described low-temp low-pressure connects in solution absorber 4 with carrying out the vapor of flash-pot 6 Touch, vapor is reduced by solution absorption strength turns into weak solution, and it is molten that described weak solution sequentially enters the second solution pump 10, low temperature Enter high-pressure solution generator 2 after liquid heat exchanger 8, the first solution pump 9 and the pressure build up of pyrosol heat exchanger 7, complete solution Circulation.
The vapor as caused by high-pressure solution generator 2 initially enters hypotonic solution generator 3, the bromination with low concentration Temperature reduces after lithium solution is exchanged heat, and subsequently enters the pressure of the 3rd expansion valve 13 and is reduced to middle pressure grade;Described middle pressure grade Vapor mixed with the vapor as caused by hypotonic solution generator 3 after enter condenser 5, after being exchanged heat with user's backwater Aqueous water is condensed into, further decompression is low pressure rank subsequently into the 4th expansion valve 14;Described aqueous water enters evaporation Device 6, with being evaporated to vapor after external heat-exchanging, solution absorber 4 is subsequently entered, with the dense lithium bromide from the second expansion valve 12 Solution contacts, and vapor is all absorbed by dense lithium-bromide solution, completes the circulation of refrigerant.
Heat user side is divided into two-way system, and the first system corresponds to summer condition, and second system corresponds to winter condition.Summer work During condition, the first block valve 16, the 3rd block valve 18, the 4th block valve 19, the 6th block valve 21, the tenth block valve 28 are opened, the Two block valves 17, the 5th block valve 20, the 7th block valve 22, the 9th block valve 24, the 11st block valve 29 are closed.Carry out self-heating use The chilled water at family enters evaporator 6, releases temperature after heat and reduces and reaches refrigeration and require, for users to use;Cooling water is successively logical Cross after solution absorber 4 and condenser 5 are heated and enter cooling tower 15, reject heat in environment, returned again to after cooling molten Liquid absorber 4, cooling water circulation is completed, water replanishing device is set in cooling tower 15.During winter condition, the second block valve the 17, the 3rd Block valve 18, the 5th block valve 20, the 7th block valve 22, the 9th block valve 24, the tenth block valve 28, the 11st block valve 29 are opened Open, the first block valve 16, the 4th block valve 19, the 6th block valve 21, the 8th block valve 23 are closed.Heat supply from heat user is returned Water initially enters solution absorber 4, by the heat of absorption process, subsequently into condenser 5, continues by water vapor condensation Heat, temperature, which rises, reaches heating requirement, for users to use;The side of evaporator 6 uses water-cooling pattern, and jacket water is through water knockout drum The heat source water of water water- to-water heat exchanger 25 is partly into, another part enters hypotonic solution generator 3, described to be exchanged heat through water water The heat source water that device 25 heats, evaporated by the road into evaporator 6 for vapor.
The utility model includes following operating mode:
Summer condition:
The temperature of gas internal-combustion engine 1 is that 500 DEG C of smoke evacuations enter double-effect lithium bromide absorption type heat pump high-pressure solution generator 2, The lithium-bromide solution that the concentration in high-pressure solution generator 2 is 54% is heated, lithium-bromide solution is heated evaporation and produces 129 DEG C of water Steam and concentration are 58% lithium-bromide solution, and described lithium-bromide solution enters pyrosol heat exchanger 7, and molten from first The temperature of liquid pump 9 is that 53 DEG C of dilute lithium-bromide solution is exchanged heat, and temperature into the first expansion valve 11 enters one after being reduced to 98 DEG C Step cools to 53 DEG C and is depressured to 0.04MPa, into hypotonic solution generator 3;The described inside of hypotonic solution generator 3 has two Individual heat exchanger channels, the temperature of gas internal-combustion engine 1 are that 80 DEG C of jacket water waste heat and the vapor of solution high pressure generator 2 enter low pressure Solution generator 3 heats the lithium-bromide solution from the first expansion valve 11, and solution, which further evaporates, produces 60 DEG C of vapor and dense Spend the lithium-bromide solution for 63%;Described lithium-bromide solution enters cryogenic fluid heat exchanger 8, and from the temperature of the second solution pump 10 Spend and exchanged heat for 32 DEG C of dilute lithium-bromide solution, temperature is reduced to 60 DEG C of second expansion valves of entrance 12 and further cools to 48 DEG C of drops Enter solution absorber 4 after being pressed onto 0.01MPa;The lithium-bromide solution of described low-temp low-pressure is in solution absorber 4 with coming from The temperature of evaporator 6 is that 5.63 DEG C of vapor contact, and vapor is reduced the weak solution for turning into that concentration is 54% by absorption strength, described Weak solution sequentially enter the second solution pump 10, cryogenic fluid heat exchanger 8, the first solution pump 9 and pyrosol heat exchanger 7 and heat up 0.75MPa is pressurized to 86 DEG C, subsequently into high-pressure solution generator 2, completes solution circulation.
The vapor as caused by high-pressure solution generator 2 initially enters hypotonic solution generator 3, the bromination with low concentration Temperature is reduced to 90 DEG C after lithium solution is exchanged heat, and subsequently enters the pressure of the 3rd expansion valve 13 and is reduced to 0.04bar temperature and is reduced to 30 DEG C; Described vapor enters condenser 5 after being mixed with 60 DEG C of vapor as caused by hypotonic solution generator 3, enters with user's backwater Aqueous water is condensed into after row heat exchange, being reduced to 5.62 DEG C of pressure subsequently into the temperature of the 4th expansion valve 14 is reduced to 0.9KPa;It is described Aqueous water enter evaporator 6, with being evaporated to vapor after external heat-exchanging, subsequently enter solution absorber 4, it is and swollen from second The dense lithium-bromide solution contact of swollen valve 12, vapor are all absorbed by dense lithium-bromide solution, complete the circulation of refrigerant.
First block valve 16 in user side pipe-line system, the 3rd block valve 18, the 4th block valve 19, the 6th block valve 21, Tenth block valve 28 is opened, the second block valve 17, the 5th block valve 20, the 7th block valve 22,24, the 11st sections of the 9th block valve Disconnected valve 29 is closed.Chilled water from water return pipeline enters evaporator 6 at 12 DEG C, and temperature drops to 7 DEG C after releasing heat, enters Supply channel is for users to use;Cooling water enters cooling tower 15 after being successively heated by solution absorber 4 and condenser 5, will Heat is discharged into environment, and solution absorber 4 is returned again to after cooling, is completed cooling water circulation, is set moisturizing to fill in cooling tower 15 Put.
Winter condition:
The temperature of gas internal-combustion engine 1 is that 500 DEG C of smoke evacuations enter double-effect lithium bromide absorption type heat pump high-pressure solution generator 2, The lithium-bromide solution that the concentration in high-pressure solution generator 2 is 46% is heated, lithium-bromide solution is heated evaporation and produces 110 DEG C of water Steam and concentration are 50% lithium-bromide solution, and described lithium-bromide solution enters pyrosol heat exchanger 7, and molten from first The temperature of liquid pump 9 is that 51 DEG C of dilute lithium-bromide solution is exchanged heat, and temperature is depressured after being reduced to 70 DEG C into the first expansion valve 11 To 0.12MPa, into hypotonic solution generator 3;The described inside of hypotonic solution generator 3 has two heat exchanger channels, combustion gas The temperature of internal combustion engine 1 is that 80 DEG C of jacket water waste heat and the vapor of solution high pressure generator 2 heat into hypotonic solution generator 3 Lithium-bromide solution from the first expansion valve 11, solution, which further evaporates, produces 85 DEG C of vapor and concentration as 54% lithium bromide Solution;Described lithium-bromide solution enters cryogenic fluid heat exchanger 8, with from the temperature of the second solution pump 10 be 32 DEG C of dilute bromination Lithium solution is exchanged heat, and temperature is reduced to 60 DEG C of second expansion valves of entrance 12 and further cools to 41 DEG C to be depressured to 0.02MPa laggard Enter solution absorber 4;The lithium-bromide solution of described low-temp low-pressure is interior in solution absorber 4 to be with carrying out the temperature of flash-pot 6 17.51 DEG C of vapor contacts, vapor are absorbed, and solution concentration, which is reduced to 54%, turns into weak solution, and described weak solution is successively 60 DEG C are warming up into the second solution pump 10, cryogenic fluid heat exchanger 8, the first solution pump 9 and pyrosol heat exchanger 7 to be pressurized to 0.75MPa, subsequently into high-pressure solution generator 2, complete solution circulation.
The vapor as caused by high-pressure solution generator 2 initially enters hypotonic solution generator 3, the bromination with low concentration Temperature is reduced to 92 DEG C after lithium solution is exchanged heat, and subsequently enters the pressure of the 3rd expansion valve 13 and is reduced to 0.12MPa temperature and is reduced to 90.53 ℃;Described vapor enters condenser 5 after being mixed with 60 DEG C of vapor as caused by hypotonic solution generator 3, is returned with user Water is condensed into aqueous water after being exchanged heat, and being reduced to 17.51 DEG C of pressure subsequently into the temperature of the 4th expansion valve 14 is reduced to 0.02MPa;Described aqueous water enters evaporator 6, with being evaporated to vapor after external heat-exchanging, subsequently enters solution absorber 4, Contacted with the dense lithium-bromide solution from the second expansion valve 12, vapor is all absorbed by dense lithium-bromide solution, completes refrigerant Circulation.
In user's side system, the second block valve 17, the 3rd block valve 18, the 5th block valve 20, the 7th block valve the 22, the 9th Block valve 24, the tenth block valve 28, the 11st block valve 29 are opened, the first block valve 16, the 4th block valve 19, the 6th block valve 21st, the 8th block valve 23 is closed.40 DEG C of the heat supply backwater from heat user initially enters solution absorber 4, by absorption process Heat, subsequently into condenser 5, continue by the heat of water vapor condensation, temperature, which rises, reaches 45 DEG C, makes for user With;The side of evaporator 6 uses water-cooling pattern, and heat source water is heated into water water- to-water heat exchanger 25, and temperature rises to 27 DEG C and enters evaporation Device 6, outlet temperature are reduced to 22 DEG C, complete thermal source water circulation.
Low grade residual heat is fully used using this method, the coefficient of performance of system is significantly improved, greatly The big primary energy ratio for improving system.
Although disclosed embodiment of the present utility model and accompanying drawing for the purpose of illustration, those skilled in the art can be with Understand, do not departing from the utility model and spirit and scope of the appended claims, it is various replace, change and modifications all be can Can, therefore the scope of the utility model is not limited to embodiment and accompanying drawing disclosure of that.

Claims (2)

1. a kind of gas internal-combustion engine drives double-effect lithium bromide absorption type heat pump assembly, it is characterised in that:Including gas internal-combustion engine heat Source water circulation system, double-effect lithium bromide absorption type heat pump and heat user water supply and return system;The gas internal-combustion engine heat source water The circulatory system includes gas internal-combustion engine, and the exhaust opening of gas internal-combustion engine is connected with flue one end, and flue passes through high pressure In solution generator, the other end leads to smoke evacuation outlet;The outlet of the gas internal-combustion engine jacket water is connected with water knockout drum, water knockout drum One end outlet be connected with water water- to-water heat exchanger, the other end outlet enters hypotonic solution generator;The water water- to-water heat exchanger port of export, Hypotonic solution generator exports end is connected with the import of water collector, and the outlet of the water collector is connected with the import of jacket water;Steam The thermal source water out of hair device is connected with the thermal source water inlet of water water- to-water heat exchanger, the outlet connection evaporimeter thermal source water of water water- to-water heat exchanger Import, formed gas internal-combustion engine thermal source water circulation system;
The double-effect lithium bromide absorption type heat pump includes the high-pressure solution generator, the first water of high-pressure solution generator Steam connecting tube is sequentially connected hypotonic solution generator and the second expansion valve;Second vapor of the hypotonic solution generator connects Adapter and the first vapor connecting tube UNICOM of the 3rd expansion valve outlet, then it is sequentially connected condenser, the 4th expansion valve, evaporation Device and solution absorber;The bottom solution outlet of described high-pressure solution generator is sequentially connected pyrosol heat exchanger, One expansion valve, it is connected with the solution inlet port pipe of hypotonic solution generator;Described hypotonic solution generator bottom solution outlet Pipe is sequentially connected cryogenic fluid heat exchanger, the second expansion valve, is connected with the solution inlet port pipe of absorber;The solution absorber Bottom solution outlet is sequentially connected the first solution pump, cryogenic fluid heat exchanger, the second solution pump, pyrosol heat exchanger, with High-pressure solution generator solution inlet port pipe is connected;
The heat user water supply and return system supplies water return pipeline including one, two, three branch roads, is sequentially connected solution absorber, cold all the way Condenser makes backwater be connected after heating up with supply channel;It is connected after another way connection evaporator cooling with supply channel;3rd tunnel according to It is connected after solution absorber, condenser and cooling tower cooling described in secondary connection with condenser inlet, forms summer condition Cooling water circulation.
2. a kind of gas internal-combustion engine driving double-effect lithium bromide absorption type heat pump assembly according to claim 1, its feature exist In:One, two, three described branch roads on water return pipeline for being respectively mounted block valve.
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108674126A (en) * 2018-05-04 2018-10-19 山东科技大学 A kind of half effect absorption system using automobile engine residual heat driving
CN111121340A (en) * 2020-01-15 2020-05-08 安徽普泛能源技术有限公司 Method and system for recycling multi-quality waste heat
WO2022121484A1 (en) * 2020-12-08 2022-06-16 深圳市燃气集团股份有限公司 Refrigeration system based on gas-electricity complementation

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108674126A (en) * 2018-05-04 2018-10-19 山东科技大学 A kind of half effect absorption system using automobile engine residual heat driving
CN108674126B (en) * 2018-05-04 2020-03-06 山东科技大学 Semi-effective absorption type refrigerating system driven by waste heat of automobile engine
CN111121340A (en) * 2020-01-15 2020-05-08 安徽普泛能源技术有限公司 Method and system for recycling multi-quality waste heat
WO2022121484A1 (en) * 2020-12-08 2022-06-16 深圳市燃气集团股份有限公司 Refrigeration system based on gas-electricity complementation

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