CN209512329U - It is segmented the minisize distributed type supply of cooling, heating and electrical powers device that solution absorbs - Google Patents
It is segmented the minisize distributed type supply of cooling, heating and electrical powers device that solution absorbs Download PDFInfo
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- CN209512329U CN209512329U CN201822258020.5U CN201822258020U CN209512329U CN 209512329 U CN209512329 U CN 209512329U CN 201822258020 U CN201822258020 U CN 201822258020U CN 209512329 U CN209512329 U CN 209512329U
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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
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Abstract
The utility model discloses the minisize distributed type supply of cooling, heating and electrical powers devices that segmentation solution absorbs, including gas internal combustion electric generator group, double-effect lithium bromide absorption chiller system, cooling tower, heat user water supply and return system, gas internal combustion electric generator group smoke discharging residual heat drives double-effect lithium bromide absorption chiller system, double-effect lithium bromide absorption chiller system evaporator outlet vapor pipeline is divided into two-way, the first solution absorber is connected all the way, and another way connects the second solution absorber；Heat user system winter condition water return pipeline is sequentially connected the first solution absorber, condenser, water supply pipe, and heat source water connects the second solution absorber, evaporator；Summer operating mode water return pipeline connects evaporator to water supply pipe, and cooling water is sequentially connected the first solution heat exchanger, condenser to cooling tower.The utility model improves distributed triple-generation system use in winter efficiency by solving the problems, such as the operating condition supply of cooling, heating and electrical powers of summer in winter to solution absorption process thermal discharge and the utilization of air-source heat integration.
Description
Technical field
The utility model belongs to thermoelectric cold triple supply technical field, stores emission capacity in particular with solution and carries out heat supply
It is segmented the minisize distributed type supply of cooling, heating and electrical powers device that solution absorbs.
Background technique
Using gas internal-combustion engine as host, the thermoelectric cold triple supply system constituted in conjunction with Absorption Refrigerator divides in building type
Most commonly seen in cloth system, the system equipment is compact, process is simple, flexible adjustment, investment are smaller, is particularly suitable for independent work
Factory workshop or minimized office place.Conventional Absorption Refrigerator is discharged fume using internal combustion engine as driving heat source, and low-temperature heat source is with sky
Based on gas source, system embodies preferable waste heat recovering effect.However, being supplied in winter with the continuous popularization and application of system
Problem under thermal condition also highlights.The northern area of China winter outdoor environment temperature is lower, the Low Temperature Thermal as refrigeration machine
Source, when ambient air temperature is lower than 5 DEG C, evaporator surface frosting, heat transfer resistance increases, and running efficiency of system reduces.At this point,
If environment temperature is decrease continuously to the boiling point of evaporator internal working medium evaporation, cause working medium that cannot absorb heat, operational effect is rapid
Deteriorate, if reducing evaporation, absorbing lateral pressure, lithium-bromide solution is easily crystallized, and absorber and solution conduit Louis are blocked, system fortune
Row deteriorates, and long-play will affect system service life.Therefore, the absorber in Heating Season Absorption Refrigerator and evaporation
Device side is closed, and system is generally run in the form of heat exchanger, and vaporizer side is closed, and internal system is in a stress level, heat
Promoted effect not be effectively played.
The cooling heating and power generation system for combining Absorption Refrigerator should be solved low as early as possible in order to guarantee Winter heat supply effect
The too low problem of temperature-heat-source winter temperature makes full use of the characteristics of heat release is stored in absorption solution concentration change procedure, by excellent
Change configuration, plays system advantage.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of storage heat release energy using solution itself
Power solves the problems, such as the minisize distributed type supply of cooling, heating and electrical powers device of Winter heat supply, and the condition according to environment temperature is by absorbing solution
The comprehensive utilization of the thermal discharge and air-source tow taste heat of process solves the problems, such as the operating condition supply of cooling, heating and electrical powers of summer in winter, improves dress
Set service efficiency.
The utility model solves its technical problem and is achieved through the following technical solutions:
A kind of minisize distributed type supply of cooling, heating and electrical powers device that segmentation solution absorbs comprising gas internal combustion electric generator group (1),
Double-effect lithium bromide absorption chiller system, cooling tower (16) and heat user water supply and return system；The gas internal combustion electric generator group
(1) smoke discharging pipe passes through in the high-pressure solution generator (5) of double-effect lithium bromide absorption chiller system, and the other end leads to row
Cigarette outlet；The outlet of described gas internal combustion electric generator group (1) jacket water is connected with water water- to-water heat exchanger (2), the water water heat exchange
Device (2) outlet end is connected with the import of jacket water；
The double-effect lithium bromide absorption chiller system includes high-pressure solution generator (5), the high-pressure solution
The vapor pipe of generator (5) passes through hypotonic solution generator (6) and connects the second high-pressure expansion valve (14) afterwards；The hypotonic solution
Enter condenser (7) after the pipeline connection of vapor pipe and the second high-pressure expansion valve (14) outlet of generator (6), outlet is successively
Connect the second inflated with low pressure valve (15), evaporator (8)；The outlet conduit of the evaporator (8) is connected to three-way control valve (24),
Outlet connects the first solution absorber (3) all the way, and another way connects the second solution absorber (4)；The high-pressure solution generator
(5) bottom solution outlet is sequentially connected pyrosol heat exchanger (9), the first high-pressure expansion valve (12), sends out with hypotonic solution
The solution inlet port pipe of raw device (6) is connected；Hypotonic solution generator (6) the bottom solution outlet is sequentially connected cryogenic fluid
Heat exchanger (10), the first inflated with low pressure valve (13), are connected with the solution inlet port pipe of the first solution absorber (3)；Described first
Solution absorber (3) bottom solution outlet is connected with triple valve (23) import, the one outlet connection of the triple valve (23)
The solution inlet port pipe of second solution absorber (4), another outlet are connected with the taphole pipe of the second solution absorber (4)
The outlet for being connected to solution pump (11), the solution pump (11) afterwards is sequentially connected cryogenic fluid heat exchanger (10), pyrosol changes
Hot device (9) is connected with high-pressure solution generator (5) solution inlet port pipe.
It is opened moreover, connecting solution pump (11) side outlet when triple valve (23) summer operating mode, the first solution absorber
(3) outlet solution is connected to solution pump (11) entrance；The second solution absorber (4) side outlet opening is connected when winter condition, the
One solution absorber (3) taphole is connected to second solution absorber (4) solution inlet.
It the advantages of the utility model and has the beneficial effect that
1, the minisize distributed type supply of cooling, heating and electrical powers device that this segmentation solution absorbs, gas internal combustion electric generator group smoke discharging residual heat drive
Dynamic double-effect lithium bromide absorption chiller system, double-effect lithium bromide absorption chiller system group includes the height for circuiting sequentially connection
Pressure solution liquid generator, hypotonic solution generator, evaporator, condenser, the first solution absorber, the second solution absorber, heat exchange
Device；User's return water is divided into two-way, is sequentially connected the first solution absorber, condenser to water supply pipe all the way, and another way connection is steamed
Device is sent out to water supply pipe；Cylinder sleeve water out connects water water- to-water heat exchanger, returns to entrance after providing domestic hot-water's load；Cooling water pipeline
Be sequentially connected the first solution absorber, condenser enters cooling tower, the first solution absorber is returned to after cooling；Heat source water lines warp
Evaporator outlet is divided into two-way, connects the first solution heat exchanger all the way, and another way connects the second solution heat exchanger, two-way outlet
Switch state and rate of discharge are controlled according to the requirement of summer in winter operating condition by three-way control valve.System not only embodies the ladder of energy
Grade utilizes, while the storage heat release function of solution itself is utilized, so that Absorption Refrigerator is also recycled operation, system in winter
Comprehensive performance gets a promotion.
2, this is segmented absorption minisize distributed type supply of cooling, heating and electrical powers device, by the storage heat release function of solution absorption process and
The low grade heat energy of air combines the cold and heat source cold as bromine, and the heat of cooling water is dissipated in air by cooling tower, heat source
Water is heated by the second solution absorber, and the quantity of steam for entering the second solution absorber is adjusted using three-way control valve.This
Thermal discharge in solution absorption process is used as the low-temperature heat source of Winter heat supply by system, and it is too low to overcome winter outside air temperature
The problem of caused low-temperature heat source deficiency and equipment surface easy frosting, double-effect lithium bromide absorption chiller system winter operation is more
Add steadily, improves energy utilization efficiency, expand the application range of device.
Detailed description of the invention
Fig. 1 is the system flow chart of the utility model.
Description of symbols
1- gas internal combustion electric generator group；2- water water- to-water heat exchanger；3- the first solution absorber；4- the second solution absorber；5-
High-pressure solution generator；6- hypotonic solution generator；7- condenser；8- evaporator；9- pyrosol heat exchanger；10- low temperature is molten
Liquid heat exchanger；11- solution pump；The first high-pressure expansion valve of 12-；13- the first inflated with low pressure valve；The second high-pressure expansion valve of 14-；15-
Second inflated with low pressure valve；16- cooling tower；17- block valve；18~23- triple valve；24- three-way control valve.
Specific embodiment
Below by specific embodiment, the utility model is described in further detail, following embodiment be it is descriptive, no
It is restrictive, protection scope of this utility model cannot be limited by this.
A kind of minisize distributed type supply of cooling, heating and electrical powers device that segmentation solution absorbs comprising gas internal combustion electric generator group (1),
Double-effect lithium bromide absorption chiller service system, cooling tower (16), heat user water supply and return system；Gas internal combustion electric generator group
(1) smoke discharging pipe passes through in the high-pressure solution generator (5) of double-effect lithium bromide absorption chiller system, and the other end leads to row
Cigarette outlet；The outlet of gas internal combustion electric generator group (1) jacket water is connected with water water- to-water heat exchanger (2), water water- to-water heat exchanger (2) outlet end
It is connected with the import of jacket water；
Double-effect lithium bromide absorption chiller system includes high-pressure solution generator (5), the water of high-pressure solution generator (5)
Steam pipe passes through hypotonic solution generator (6) and connects the second high-pressure expansion valve (14) afterwards；The vapor of hypotonic solution generator (6)
The pipeline connection in pipe exit and the second high-pressure expansion valve (14) outlet is then sequentially connected connection condenser (7), the second low pressure
Expansion valve (15), evaporator (8)；The outlet conduit of evaporator (8) is divided into two-way, connects the first solution absorber (3) all the way, separately
The second solution absorber (4) is connected by three-way control valve (24) all the way；The bottom solution outlet of high-pressure solution generator (5)
It is sequentially connected pyrosol heat exchanger (9), the first high-pressure expansion valve (12), the solution inlet port pipe with hypotonic solution generator (6)
It is connected；Hypotonic solution generator (6) bottom solution outlet is sequentially connected cryogenic fluid heat exchanger (10), the first inflated with low pressure
Valve (13) is connected with the solution inlet port pipe of the first solution absorber (3)；First solution absorber (3) bottom solution outlet
It is connected with triple valve (23) import, the one outlet of triple valve (23) connects the solution inlet port pipe of the second solution absorber (4), separately
One outlet is connected to solution pump (11) after being connected with the taphole pipe of the second solution absorber (4), solution pump (11)
Outlet is sequentially connected cryogenic fluid heat exchanger (10), pyrosol heat exchanger (9), with high-pressure solution generator (5) solution inlet port
Pipe is connected.
It connects solution pump (11) side outlet when triple valve (23) summer operating mode to open, the outlet of the first solution absorber (3) is molten
Liquid is connected to solution pump (11) entrance；The second solution absorber (4) side outlet opening is connected when winter condition, the first solution absorbs
Device (3) taphole is connected to second solution absorber (4) solution inlet.
Heat user system is divided into two operating conditions of winter and summer.
Triple valve (18) connection triple valve (19) side outlet is opened when winter condition, and heat supply return water is through triple valve
(18), triple valve (19) enters the cooling tube inlet of the first solution absorber (3)；Triple valve (22) the connection heat user supplies water
Side outlet is opened, and the outlet of the first solution absorber (3) cooling tube is connected with condenser (7) cooling water inlet pipe, the condenser
(7) outlet is connected with water supplying pipe, forms supplying hot water circulation.The triple valve (20) connects the second absorber (4) side outlet
It opens, triple valve (21) connects the second solution absorber (4) side entrance and opens, and heat source water is inhaled in the second solution absorber (4)
Enter evaporator (8) after receiving heat, return the second solution absorber (4) after releasing heat, forms heat source water circulation.
Triple valve (18) connection triple valve (21) side outlet is opened when summer operating mode, and the return water that freezes is through triple valve
(18), triple valve (21) enters evaporator (8) chilled water inlet；Triple valve (20) the connection heat user water supply side outlet is beaten
It opens, evaporator (8) chilled water outlet is connected with water supplying pipe, forms chilled water circulation.The triple valve (19) connects cooling tower
Side entrance is opened, and the cooling water from cooling tower (16) is by triple valve (19) and the cooling tube inlet of the first solution absorber (3)
It is connected；Triple valve (22) the connection cooling tower side outlet is opened, the outlet of the first solution absorber (3) cooling tube and condenser
(7) cooling water inlet pipe is connected, and condenser (7) cooling water outlet is connected with cooling tower (16) entrance, forms cooling water circulation.
The utility model is segmented the control method for the minisize distributed type supply of cooling, heating and electrical powers method that solution absorbs are as follows:
1) solution recycles: the smoke discharging residual heat of gas internal combustion electric generator group (1) is as double-effect lithium bromide absorption chiller system
The driving heat source of system high-pressure solution generator (5), lithium-bromide solution are heated evaporation and generate vapor and denseer lithium-bromide solution,
Denseer lithium-bromide solution enters pyrosol heat exchanger (9), molten with the dilute lithium bromide of low temperature from cryogenic fluid heat exchanger (10)
Liquid exchanges heat, and temperature enters the first high-pressure expansion valve (12) further decrease temperature and pressure after reducing, into hypotonic solution generator
(6)；The vapor of the high-pressure solution generator (5) enters hypotonic solution generator (6) heating from the first high-pressure expansion valve
(12) denseer lithium-bromide solution, solution, which further evaporates, generates vapor and dense lithium-bromide solution；Dense lithium-bromide solution enters
Cryogenic fluid heat exchanger (10) exchanges heat with dilute lithium-bromide solution from solution pump (11), and the first low pressure is entered after cooling
Enter the first solution absorber (3) after the further decrease temperature and pressure of expansion valve (13)；The vapor of evaporator (8) outlet passes through threeway
Regulating valve (24) is divided into two-way.When summer operating mode, three-way control valve (24) connects the first solution absorber (3) side and opens, connection
Second solution absorber (4) side is closed, and dense lithium-bromide solution absorbs in the first solution absorber (3) from evaporator (8)
Water vapor concentration, which reduces, becomes weak solution；When winter condition, three-way control valve (24) connects two side outlets and opens, the bromine
Change lithium concentrated solution after first solution absorber (3) interior suction receiving portions vapor, enters back into the second solution absorber and continue to absorb
Carry out the vapor of flash-pot (8), concentration, which reduces, becomes weak solution, and (24) two exit steam flow of three-way control valve passes through steaming
Hair device (8) thermic load and temperature requirement are controlled.Weak solution sequentially enter solution pump (11), cryogenic fluid heat exchanger (10),
Enter high-pressure solution generator (5) after pyrosol heat exchanger (9) pressure build up, completes solution circulation.
2) hypotonic solution generator refrigerant circulation: is initially entered by the vapor that high-pressure solution generator (5) generate
(6), cool down after being exchanged heat with the lithium-bromide solution of low concentration, subsequently enter during the second high-pressure expansion valve (14) pressure is reduced to
Press grade；Liquid water at the steam outlet of hypotonic solution generator (6) generation with the second high-pressure expansion valve (14) exit
Enter condenser (7) after mixing, the second inflated with low pressure valve (15) is entered after exothermic condensation and is reduced to low pressure rank；The condensed water into
Enter evaporator (8), and is evaporated to vapor after external heat-exchanging；When summer operating mode, vapor enters the through three-way control valve (24)
One solution absorber (3) is contacted with the dense lithium-bromide solution from the first inflated with low pressure valve (13), and vapor is all by dense bromination
Lithium solution absorbs, and completes the circulation of refrigerant；When winter condition, vapor respectively enters the first solution through three-way control valve (24)
Absorber (3) and the second solution absorber (4) are successively contacted with the dense lithium-bromide solution from the first inflated with low pressure valve (13),
Vapor is successively absorbed by dense lithium-bromide solution, completes refrigerant circulation.
3) winter condition: the starting of heat user side the first system: triple valve (18) connects triple valve (19) side outlet and opens, and comes
Enter the cooling tube inlet of the first solution absorber (3) through triple valve (18), triple valve (19) from the heat supply return water of heat user, it is molten
The thermal discharge of liquid absorption process heats, and outlet temperature rises；Triple valve (22) connects heat user water supply side outlet and opens, from the
The heat supply return water in one solution absorber (3) cooling tube exit enters condenser (7), the thermal discharge heating for the process that is condensed, temperature
Degree, which continues to rise, reaches heating demand, and heat supply user uses.The starting of heat source water system: triple valve (20) connects the second absorber
(4) side outlet is opened, and triple valve (21) connects the second solution absorber (4) side entrance and opens, and heat source water is absorbed in the second solution
Temperature rises after absorbing heat in device (4), enters back into evaporator (8), releases heat and evaporates for working medium, returns second later
Solution absorber (4) adds water supply pipe in the preceding pipeline for entering the second solution absorber (4), is connected by block valve (17),
Form heat source water circulation.
4) summer operating mode: the starting of heat user side second system: triple valve (18) connects triple valve (21) side outlet and opens, and three
Port valve (20) connects heat user water supply side outlet and opens, and refrigeration return water enters evaporator through triple valve (18), triple valve (21)
(8), it releases heat to evaporate for working medium, outlet temperature reduction reaches refrigeration and requires, for users to use.Cooling water system starting:
Triple valve (19) connects cooling tower side entrance and opens, and triple valve (22) connects cooling tower side outlet and opens, and comes from cooling tower (16)
Cooling water by triple valve (19) enter the first solution absorber (3), be absorbed process thermal discharge heating after enter condensation
Device (7) continues by working medium condensation thermal discharge heating, and temperature enters cooling tower (16) after rising, rejects heat to surrounding air
Temperature reduces afterwards, forms cooling water circulation.
For example:
Winter condition:
It is molten to enter double-effect lithium bromide absorption chiller system high pressure from (1) 548 DEG C of gas internal combustion electric generator group smoke evacuation
With 160 DEG C of discharge systems after liquid generator (5) heat release, the lithium-bromide solution of 127 DEG C of 54% concentration is heated evaporation, generates 136
DEG C vapor and 142 DEG C of 58% concentration lithium-bromide solution.The lithium-bromide solution of 58% concentration enters pyrosol and changes
Hot device (9) exchanges heat with the lithium-bromide solution of 60 DEG C of 54% concentration from cryogenic fluid heat exchanger (10), and temperature is reduced to
Enter the first high-pressure expansion valve (12) after 65.08 DEG C, pressure enters hypotonic solution generator (6) after being reduced to 12kPa.High-pressure solution
The vapor of generator (5) enters the lithium bromide that hypotonic solution generator (6) heating comes from the first high-pressure expansion valve (12) 58%
Solution, solution, which further evaporates, generates 82 DEG C of vapor and 85 DEG C of 63% lithium-bromide solution.The lithium-bromide solution of 63% concentration into
Enter cryogenic fluid heat exchanger (10), exchanges heat with the lithium-bromide solution of 54% concentration from solution pump (11), temperature is reduced to
Enter the first inflated with low pressure valve (13) after 51.38 DEG C, pressure is reduced to 0.91kPa, into the first solution absorber (3).Evaporator
(8) it exports 5.63 DEG C of vapor and is divided into two-way by three-way control valve (24), enter first solution absorber (3) quilt all the way
63% concentration lithium-bromide solution absorbs, and concentration is reduced to 62% and enters the second solution absorber (4)；Another way is inhaled into the second solution
It receives device (4) to be absorbed by 62% concentration lithium-bromide solution, concentration, which is reduced to 54%, becomes weak solution, and weak solution sequentially enters solution pump
(11), pressure rises to 74.7kPa afterwards, temperature rises to 127 DEG C for cryogenic fluid heat exchanger (10), pyrosol heat exchanger (9),
Into high-pressure solution generator (5), solution circulation is completed.
Hypotonic solution generator (6) are initially entered by 136 DEG C of vapor that high-pressure solution generator (5) generate, and it is lower
Cooling is condensed into 91.5 DEG C of gas-liquid two-phase mixed flow after the lithium-bromide solution of concentration is exchanged heat, and it is swollen to subsequently enter the second high pressure
Swollen valve (14) pressure is reduced to 12kPa；The 82 DEG C of vapor and come from the second high-pressure expansion valve that hypotonic solution generator (6) generates
(14) enter condenser (7) after gas-liquid two-phase mixed flow mixing, exothermic condensation is 49.4 DEG C of condensed waters, enters back into the second low pressure
Expansion valve (15) pressure is reduced to 0.91kPa；Low pressure condensed water enters evaporator (8), full with being evaporated to 5.63 DEG C after external heat-exchanging
And vapor；Saturated steam through three-way control valve (24) adjust, according to 1/10th in heat of evaporation burden requirement flow into
Enter the first solution absorber (3), is remaining into the second solution absorber (4), with the dense bromine for coming from the first inflated with low pressure valve (13)
Change lithium solution successively to contact, vapor is successively absorbed by dense lithium-bromide solution, completes refrigerant circulation.
Triple valve (18) connection triple valve (19) side outlet is opened in heat user lateral line system, and 40 DEG C from heat user
Heat supply return water enters the first solution absorber (3) through triple valve (18), triple valve (19), is added by the thermal discharge of solution absorption process
Heat is to 41.5 DEG C into condenser (7), and the thermal discharge heating for the process that is condensed continues to be heated to 46.5 DEG C, and heat supply user uses.
Triple valve (20) connection the second absorber (4) side outlet is opened in heat source water system, and triple valve (21) connects the second solution and absorbs
Device (4) side entrance is opened, and 7 DEG C of heat source water absorbs temperature after heat in the second solution absorber (4) and rises to 15 DEG C, then into
Enter evaporator (8), releases heat and evaporated for working medium, return the second solution absorber (4) later.
Summer operating mode:
Enter double-effect absorption refrigerating machine high-pressure solution generator (5) from (1) 548 DEG C of gas internal combustion electric generator group smoke evacuation
With 160 DEG C of discharge systems after heat release, the lithium-bromide solution of 127 DEG C of 54% concentration is heated evaporation, generate 136 DEG C vapor and
The lithium-bromide solution of 142 DEG C of 58% concentration.The lithium-bromide solution of 58% concentration enters pyrosol heat exchanger (9), low with coming from
The lithium-bromide solution of 60 DEG C of 54% concentration of warm solution heat exchanger (10) exchanges heat, and temperature enters first after being reduced to 65.08 DEG C
High-pressure expansion valve (12), pressure enter hypotonic solution generator (6) after being reduced to 4.7kPa.The water of high-pressure solution generator (5) steams
Gas enters the lithium-bromide solution that hypotonic solution generator (6) heating comes from the first high-pressure expansion valve (12) 58%, and solution is further
Evaporation generates 73.5 DEG C of vapor and 82 DEG C of 63% lithium-bromide solution.The lithium-bromide solution of 63% concentration enters cryogenic fluid heat exchange
Device (10) exchanges heat with the lithium-bromide solution of 54% concentration from solution pump (11), and temperature enters the after being reduced to 48.2 DEG C
One inflated with low pressure valve (13), pressure is reduced to 0.91kPa, into the first solution absorber (3).Three-way control valve (24) connection second
Solution absorber (4) side is closed, and it is dense by 63% that the vapor that evaporator (8) exports 5.63 DEG C enters the first solution absorber (3)
It spends lithium-bromide solution to absorb, concentration, which is reduced to 54%, becomes weak solution, and weak solution sequentially enters solution pump (11), cryogenic fluid heat exchange
Pressure rises to 74.7kPa afterwards for device (10), pyrosol heat exchanger (9), and temperature rises to 127 DEG C and enters high-pressure solution generator
(5), solution circulation is completed.
Hypotonic solution generator (6) are initially entered by 136 DEG C of vapor that high-pressure solution generator (5) generate, and it is lower
The lithium-bromide solution of concentration is condensed into 91.5 DEG C of condensed water after being exchanged heat, subsequently enter the second high-pressure expansion valve (14) pressure
It is reduced to 4.7kPa；73.5 DEG C of vapor that hypotonic solution generator (6) generates and the condensation for coming from the second high-pressure expansion valve (14)
Enter condenser (7) after water mixing, exothermic condensation is 31.8 DEG C of condensed waters, enters back into the second inflated with low pressure valve (15), pressure drop
For 0.91kPa；Condensed water enters evaporator (8), and 5.63 DEG C of saturated steams is evaporated to after external heat-exchanging；The saturated water steams
Gas enters the first solution absorber (3) through three-way control valve (24), and vapor is absorbed by dense lithium-bromide solution, completes refrigerant and follows
Ring.
Heat user side triple valve (18) connects triple valve (21) side outlet and opens, and triple valve (20) connects heat user water supply side
Outlet is opened, and 12 DEG C of refrigeration return water enters evaporator (8) through triple valve (18), triple valve (21), is released heat and is used for working medium
Evaporation, outlet temperature are reduced to 6.8 DEG C, for users to use.Cooling water system triple valve (19) connects cooling tower side entrance and opens, and three
Port valve (22) connects cooling tower side outlet and opens, and the cooling water from cooling tower (16) enters the first solution by triple valve (19)
Absorber (3) enters condenser (7) after being absorbed the thermal discharge heating of process, continues by working medium condensation thermal discharge heating, temperature
Enter cooling tower (16) after rising, rejects heat to surrounding air.
So that solution storage heat release and air-source low grade residual heat is fully used using this method, overcomes outside winter room
The problem of low-temperature heat source deficiency caused by too low air temperature and equipment surface easy frosting, Absorption Refrigerator winter operation is more
Steadily, energy utilization efficiency is improved, the application range of device is expanded.
Though the utility model discloses embodiment and attached drawing, it will be appreciated by those skilled in the art that: it is not departing from
In the utility model and spirit and scope of the appended claims, various substitutions, changes and modifications be all it is possible, therefore, this
The range of utility model is not limited to the embodiment and attached drawing disclosure of that.
Claims (2)
1. a kind of minisize distributed type supply of cooling, heating and electrical powers device that segmentation solution absorbs, it is characterised in that: generate electricity including combustion gas internal combustion
Unit (1), double-effect lithium bromide absorption chiller system, cooling tower (16) and heat user water supply and return system；The combustion gas internal combustion
The smoke discharging pipe of generating set (1) passes through in the high-pressure solution generator (5) of double-effect lithium bromide absorption chiller system, another
Smoke evacuation outlet is led at end；The outlet of described gas internal combustion electric generator group (1) jacket water is connected with water water- to-water heat exchanger (2), described
Water water- to-water heat exchanger (2) outlet end is connected with the import of jacket water；
The double-effect lithium bromide absorption chiller system includes high-pressure solution generator (5), and the high-pressure solution occurs
The vapor pipe of device (5) passes through hypotonic solution generator (6) and connects the second high-pressure expansion valve (14) afterwards；The hypotonic solution occurs
Enter condenser (7) after the pipeline connection of vapor pipe and the second high-pressure expansion valve (14) outlet of device (6), outlet is sequentially connected
Second inflated with low pressure valve (15), evaporator (8)；The outlet conduit of the evaporator (8) is connected to three-way control valve (24), outlet
The first solution absorber (3) is connected all the way, and another way connects the second solution absorber (4)；The high-pressure solution generator (5)
Bottom solution outlet is sequentially connected pyrosol heat exchanger (9), the first high-pressure expansion valve (12), with hypotonic solution generator
(6) solution inlet port pipe is connected；Hypotonic solution generator (6) the bottom solution outlet is sequentially connected cryogenic fluid heat exchange
Device (10), the first inflated with low pressure valve (13), are connected with the solution inlet port pipe of the first solution absorber (3)；First solution
Absorber (3) bottom solution outlet is connected with triple valve (23) import, the one outlet connection second of the triple valve (23)
The solution inlet port pipe of solution absorber (4), another outlet connect after being connected with the taphole pipe of the second solution absorber (4)
The outlet for being connected to solution pump (11), the solution pump (11) is sequentially connected cryogenic fluid heat exchanger (10), pyrosol heat exchanger
(9), it is connected with high-pressure solution generator (5) solution inlet port pipe.
2. a kind of minisize distributed type supply of cooling, heating and electrical powers device that segmentation solution absorbs according to claim 1, it is characterised in that:
It connects solution pump (11) side outlet when triple valve (23) summer operating mode to open, the first solution absorber (3) outlet solution connects
It is connected to solution pump (11) entrance；The second solution absorber (4) side outlet opening, the first solution absorber are connected when winter condition
(3) taphole is connected to second solution absorber (4) solution inlet.
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| CN201822258020.5U CN209512329U (en) | 2018-12-29 | 2018-12-29 | It is segmented the minisize distributed type supply of cooling, heating and electrical powers device that solution absorbs |
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| CN201822258020.5U CN209512329U (en) | 2018-12-29 | 2018-12-29 | It is segmented the minisize distributed type supply of cooling, heating and electrical powers device that solution absorbs |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109682110A (en) * | 2018-12-29 | 2019-04-26 | 天津城建大学 | It is segmented the minisize distributed type supply of cooling, heating and electrical powers device and its control method that solution absorbs |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109682110A (en) * | 2018-12-29 | 2019-04-26 | 天津城建大学 | It is segmented the minisize distributed type supply of cooling, heating and electrical powers device and its control method that solution absorbs |
| CN109682110B (en) * | 2018-12-29 | 2024-05-28 | 天津城建大学 | Miniature distributed combined cooling heating power device for sectional solution absorption and control method thereof |
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