WO2012019329A1 - Système de génération à absorption-résorption et pompe à chaleur à absorption de premier type - Google Patents

Système de génération à absorption-résorption et pompe à chaleur à absorption de premier type Download PDF

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Publication number
WO2012019329A1
WO2012019329A1 PCT/CN2010/001635 CN2010001635W WO2012019329A1 WO 2012019329 A1 WO2012019329 A1 WO 2012019329A1 CN 2010001635 W CN2010001635 W CN 2010001635W WO 2012019329 A1 WO2012019329 A1 WO 2012019329A1
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WO
WIPO (PCT)
Prior art keywords
generator
solution
absorber
heat exchanger
pump
Prior art date
Application number
PCT/CN2010/001635
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English (en)
Chinese (zh)
Inventor
李华玉
Original Assignee
Li Huayu
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Publication date
Application filed by Li Huayu filed Critical Li Huayu
Publication of WO2012019329A1 publication Critical patent/WO2012019329A1/fr

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Classifications

    • 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
    • F25B15/12—Sorption machines, plants or systems, operating continuously, e.g. absorption type with resorber
    • 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
    • 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

Definitions

  • the invention belongs to the technical field of refrigeration and heat pump.
  • the premise of using the absorption heat pump technology for waste heat utilization is that the heat pump can increase the heat from the residual heat temperature to the temperature required by the user, and at the same time make the performance index of the absorption heat pump unit as high as possible; It is also necessary to increase the cooling efficiency of the driving heat medium as high as possible.
  • the thermodynamic principle for the residual heat of a certain temperature, the higher the temperature to be elevated, the lower the performance index of the heat pump unit; as the heating temperature is gradually increased, the performance index of the heat pump unit will gradually decrease, Continuous correspondence and change between.
  • the invention proposes an absorption-reabsorption-generation system from the perspective of improving the heating temperature of the first type of absorption heat pump, and obtains a series of first-type absorption heat pumps based on the system, so that different working parameter intervals have corresponding firsts.
  • the absorption type heat pump realizes the continuous connection of the first type of absorption heat pump in the working parameter interval, and realizes the continuous connection of the first type of absorption heat pump in the performance index; likewise, this also realizes the continuous cooling parameter and performance index during cooling. Correspondence and uninterrupted convergence.
  • the main object of the present invention is to provide an absorption-reabsorption-generation system and a first-type absorption heat pump based on an absorption-reabsorption-generation system, the specific contents of which are as follows:
  • An absorption-reabsorption-generation system consisting mainly of a first absorber, a second absorber, a generator, a first solution pump, a second solution pump, a first solution heat exchanger and a second solution heat exchanger;
  • the second absorber has a dilute solution line connected to the generator via the second solution pump and the second solution heat exchanger, and the generator further has a concentrated solution line through the second solution heat exchanger and the first solution heat exchanger and the first An absorber is connected, the first absorber and the dilute solution pipeline are connected to the second absorber via the first solution pump and the first solution heat exchanger, and the first absorber further has a refrigerant vapor passage connected to the outside and having The heated medium pipeline communicates with the outside, and the external refrigerant liquid pipeline communicates with the first absorber, and the first absorber further has a refrigerant vapor passage communicating with the second absorber, and the second absorber and the heated medium tube
  • the road is connected to the outside, and the generator further has a refriger
  • An absorption-reabsorption-generation system consisting mainly of a first absorber, a second absorber, a generator, a solution pump, a first solution heat exchanger and a second solution heat exchanger; the first absorber has a dilute solution
  • the pipeline is connected to the generator via the solution pump, the first solution heat exchanger and the second solution heat exchanger, and the generator and the concentrated solution pipeline are connected to the second absorber via the second solution heat exchanger, the second absorber
  • the dilute solution pipeline is further connected to the first absorber via the first solution heat exchanger, and the first absorber further has a refrigerant vapor passage communicating with the outside and a heated medium conduit communicating with the outside, and the external refrigerant liquid
  • the first absorber further has a refrigerant vapor passage communicating with the second absorber, the second absorber and the heated medium conduit are connected to the outside
  • the generator further has a refrigerant vapor passage Communicating with the outside and having a driving heat medium pipe connected to the
  • the first type of absorption heat pump in the absorption-reabsorption-generation system according to item 1, is to add a condenser, an evaporator, a first throttle valve, a refrigerant liquid pump or a second throttle valve,
  • the generator has a refrigerant vapor passage communicating with the outside to determine that the generator has a refrigerant vapor passage communicating with the condenser, and the condenser and the refrigerant liquid pipeline are connected to the evaporator via the first throttle valve, and the first absorber is
  • the refrigerant vapor passage is connected to the outside to determine that the evaporator has a refrigerant vapor passage communicating with the first absorber, and the external refrigerant liquid conduit is in communication with the first absorber, and the first absorber has a refrigerant vapor passage and
  • the second absorber is connected to determine that the evaporator has a refrigerant liquid pipeline connected to the first absorber through the refrigerant liquid pump, and then the first absorb
  • the first type of absorption heat pump in the absorption-reabsorption-generation system described in item 2, adds a condenser, an evaporator, a first throttle valve, a refrigerant liquid pump or a second throttle valve,
  • the generator has a refrigerant vapor passage communicating with the outside to determine that the generator has a refrigerant vapor passage communicating with the condenser, and the condenser and the refrigerant liquid pipeline are connected to the evaporator via the first throttle valve, and the first absorber is
  • the refrigerant vapor passage is connected to the outside to determine that the evaporator has a refrigerant vapor passage communicating with the first absorber, and the external refrigerant liquid conduit is in communication with the first absorber, and the first absorber has a refrigerant vapor passage and
  • the second absorber is connected to determine that the evaporator has a refrigerant liquid pipeline connected to the first absorber through the refrigerant liquid pump, and then the first absorber
  • the first type of absorption heat pump in any of the first type of absorption heat pumps described in item 3, adding a second generator, a third throttle valve and a third solution heat exchanger, the second solution pump
  • the additional dilute solution line is connected to the second generator via the third solution heat exchanger
  • the second generator has a concentrated solution line after passing through the third solution heat exchanger and after the first generator passes through the second solution heat exchanger
  • the concentrated solution pipeline is merged, and then communicates with the first absorber through the first solution heat exchanger
  • the first generator has a refrigerant vapor passage connected to the condenser to adjust the first generator to have a refrigerant vapor passage and a second
  • the second generator further has a refrigerant liquid pipeline connected to the condenser via the third throttle valve - the refrigerant vapor generated by the first generator serves as the driving heat medium of the second generator, and the second generator
  • the first type of absorption heat pump in any of the first type of absorption heat pumps described in item 4, adding a second generator, a third throttle valve and a third solution heat exchanger, the first absorption
  • the dilute solution line is connected to the first generator via the solution pump, the first solution heat exchanger and the second solution heat exchanger to adjust the first absorber to have a dilute solution line through the solution pump, the first solution heat exchanger And then communicating with the second generator via the third solution heat exchanger and communicating with the first generator via the second solution heat exchanger, the second generator further having a concentrated solution line through the third solution heat exchanger and
  • the second absorber is in communication, and the first generator has a refrigerant vapor passage connected to the condenser to be adjusted to be a first generator having a refrigerant vapor passage communicating with the second generator, and then the second generator is further provided with a refrigerant liquid pipeline
  • the third section is connected to the condenser.
  • the refrigerant vapor generated by the first generator acts as a driving heat medium for the second generator, and the second generator also has a refrigerant vapor passage communicating with the condenser to form an absorption-re- Single-stage parallel connection of absorption-generation systems
  • the first effect type absorption heat pump is the first effect type absorption heat pump.
  • the first type of absorption heat pump in any of the first type of absorption heat pumps described in item 3, adding a second generator, a third throttle valve and a third solution heat exchanger, the second absorption
  • the dilute solution line is connected to the first generator via the second solution pump and the second solution heat exchanger to adjust the second absorber to have a dilute solution line through the second solution pump, the second solution heat exchanger and the third
  • the solution heat exchanger is in communication with the first generator, and the first generator has a concentrated solution line connected to the first absorber through the second solution heat exchanger and the first solution heat exchanger to adjust the first generator to have a concentrated solution
  • the pipeline is connected to the second generator via the third solution heat exchanger, and the second generator and the concentrated solution pipeline are connected to the first absorber via the second solution heat exchanger and the first solution heat exchanger, and will be first
  • the generator has a refrigerant vapor passage connected to the condenser to adjust the first generator to have a refrigerant vapor passage After communicating with the second generator,
  • the first type of absorption heat pump in any of the first type of absorption heat pumps of item 7, wherein the second absorber has a dilute solution line through the second solution pump, the second solution heat exchanger, and
  • the third solution heat exchanger is connected to the first generator to be adjusted so that the second absorber has a dilute solution line passing through the second solution pump and the second solution heat exchanger, respectively, directly communicating with the second generator and passing through the third solution
  • the heat exchanger is in communication with the first generator to form a single-stage series-parallel double-effect first-class absorption heat pump based on an absorption-reabsorption-generation system.
  • the first type of absorption heat pump in any of the first type of absorption heat pumps described in item 4, adding a second generator, a third throttle valve and a third solution heat exchanger, the first absorption
  • the dilute solution line is connected to the first generator via the solution pump, the first solution heat exchanger and the second solution heat exchanger to adjust the first absorber to have a dilute solution line through the solution pump, the first solution heat exchanger
  • the second solution heat exchanger and the third solution heat exchanger are in communication with the first generator, and the first generator has a concentrated solution line connected to the second absorber via the second solution heat exchanger to be adjusted to the first generator
  • the concentrated solution line is connected to the second generator via the third solution heat exchanger, and the second generator and the concentrated solution line are connected to the second absorber via the second solution heat exchanger, and the first generator is cooled
  • the vapor passage of the agent is connected to the condenser to be adjusted so that the first generator has a refrigerant vapor passage communicating with the second generator, and then the second generator is
  • the first type of absorption heat pump in any of the first type of absorption heat pumps of item 9, wherein the first absorber has a dilute solution line through the second solution pump, the first solution heat exchanger, The second solution heat exchanger and the third solution heat exchanger are connected to the first generator to be adjusted so that the first absorber has a dilute solution line after passing through the second solution pump, the first solution heat exchanger and the second solution heat exchanger Directly connected to the second generator and then connected to the first generator via the third solution heat exchanger to form a single-stage series-parallel double-effect first-class absorption heat pump based on the absorption-reabsorption-generation system.
  • the first type of absorption heat pump in any of the first type of absorption heat pumps of item 3, adding a second generator, a third throttle valve, a third solution heat exchanger and a third solution pump
  • the second absorber has a dilute solution line connected to the first generator via the second solution pump and the second solution heat exchanger to adjust the second absorber to have a dilute solution line through the second solution pump and the second solution heat
  • the exchanger is connected to the second generator, and the second generator further has a concentrated solution pipeline connected to the first generator via the third solution pump and the third solution heat exchanger, and the first generator has a concentrated solution pipeline
  • the two solution heat exchanger and the first solution heat exchanger are in communication with the first absorber, and the first generator has a concentrated solution line through the third solution heat exchanger, the second solution heat exchanger and the first solution heat exchanger Communicating with the first absorber, adjusting the first generator having the refrigerant vapor passage and the condenser to be adjusted to be the first generator having the refrigerant vapor passage communicating with
  • the first type of absorption heat pump in any of the first type of absorption heat pumps of item 11, wherein the second absorber has a dilute solution line through the second solution pump and the second solution heat exchanger Connected with the second generator to adjust to a second absorber having a dilute solution line passing through the second solution pump and the second solution heat exchanger, respectively, communicating with the second generator and the first generator to form an absorption-reabsorption-based A single-stage series-parallel double-effect first-class absorption heat pump of the system occurs.
  • the first type of absorption heat pump wherein in any of the first type of absorption heat pumps of item 4, the second generator, the third throttle valve, the third solution heat exchanger and the third solution pump are added
  • the first absorber has a dilute solution pipeline connected to the first generator through the first solution pump, the first solution heat exchanger and the second solution heat exchanger to adjust the first absorber to have a dilute solution pipeline through the first
  • the solution pump, the first solution heat exchanger and the second solution heat exchanger are in communication with the second generator, and the second generator further has a concentrated solution line through the third solution pump and the third solution heat exchanger and the first generator Connected, the first generator has a concentrated solution line
  • the second solution heat exchanger is connected to the second absorber to be adjusted to be a first generator having a concentrated solution line connected to the second absorber via the third solution heat exchanger and the second solution heat exchanger, and the first generator is
  • the refrigerant vapor passage is connected to the condenser to be adjusted so that the first generator has a refrig
  • the refrigerant vapor generated by the first generator acts as a driving heat medium for the second generator, and the second generator also has a refrigerant vapor passage communicating with the condenser to form a single-stage series double effect based on the absorption-reabsorption-generation system.
  • the first type of absorption heat pump in any of the first type of absorption heat pumps of item 13, wherein the first absorber has a dilute solution line through the first solution pump, the first solution heat exchanger, and The second solution heat exchanger is connected to the second generator to be adjusted to have a first solution having a dilute solution line through the first solution pump, the first solution heat exchanger and the second solution heat exchanger, respectively, and the first generator and The second generator is connected to form a single-stage series-parallel double-effect first-class absorption heat pump based on the absorption-reabsorption-generation system.
  • the first type of absorption heat pump wherein in any of the first type of absorption heat pumps of item 3, the second generator, the third generator, the third throttle valve, the fourth throttle valve, a third solution heat exchanger and a fourth solution heat exchanger, wherein the second solution pump adds a dilute solution line to the second generator via the third solution heat exchanger and the fourth solution heat exchanger and the third generator Connected, the second generator has a concentrated solution line through the third solution heat exchanger and the third generator has a concentrated solution line through the fourth solution heat exchanger and both the first generator and the second solution heat exchanger The concentrated solution line is merged, and then communicates with the first absorber through the first solution heat exchanger, and the first generator has a refrigerant vapor passage connected to the condenser to adjust the first generator to have a refrigerant vapor passage and the first After the second generator is connected, the second generator is further connected to the condenser via the third throttle valve through the third throttle valve - the refrigerant vapor generated by the first generator acts as
  • the first type of absorption heat pump wherein in any of the first type of absorption heat pumps of item 4, the second generator, the third generator, the third throttle valve, the fourth throttle valve, a third solution heat exchanger and a fourth solution heat exchanger, wherein the first absorber has a dilute solution line connected to the first generator via the solution pump, the first solution heat exchanger and the second solution heat exchanger An absorber has a dilute solution line connected to the first generator via the solution pump and the first solution heat exchanger, and then communicated with the second generator via the third solution heat exchanger and And communicating with the third generator via the fourth solution heat exchanger, the second generator and the concentrated solution pipeline are connected to the second absorber via the third solution heat exchanger, and the third generator has a concentrated solution pipeline
  • the fourth solution heat exchanger is in communication with the second absorber, and the first generator has a refrigerant vapor passage communicating with the condenser to adjust the first generator to have a refrigerant vapor passage connected to the second generator, and then the second generator There is a ref
  • the fourth throttle valve is connected to the condenser through the fourth throttle valve - the refrigerant vapor generated by the second generator is used as the driving heat medium of the third generator, and the third generator and the refrigerant vapor passage are connected to the condenser to form an absorption based - Re-absorption-generation single-stage parallel three-effect first-class absorption heat pump.
  • the first type of absorption heat pump in any of the first type of absorption heat pumps of item 3, adding a second generator, a third generator, a third throttle valve, a fourth throttle valve, a third solution heat exchanger and a fourth solution heat exchanger, wherein the second absorber has a dilute solution line connected to the first generator via the second solution pump and the second solution heat exchanger to adjust the second absorber to be thin
  • the solution line is connected to the first generator via the second solution pump, the second solution heat exchanger, the third solution heat exchanger and the fourth solution heat exchanger, and the first generator has a concentrated solution line through the second solution
  • the heat exchanger and the first solution heat exchanger are connected to the first absorber to be adjusted to have a first solution having a concentrated solution line connected to the second generator via the fourth solution heat exchanger, and the second generator further having a concentrated solution tube
  • the third solution heat exchanger is connected to the third generator through the third solution heat exchanger, and the third generator has a concentrated solution pipeline through the second solution and the first solution heat exchanger
  • a cow has a refrigerant vapor channel and The condenser is connected to be adjusted so that the first generator has a refrigerant vapor passage communicating with the second generator, and then the second generator and the refrigerant liquid pipeline are connected to the condenser via the third throttle valve - the first generator generates
  • the refrigerant vapor is used as the driving heat medium of the second generator, and the second generator has a refrigerant vapor passage connected with the third generator, and the third generator has a refrigerant liquid pipeline through the fourth throttle valve and the condenser.
  • the third generator Connected - the refrigerant vapor generated by the second generator acts as a driving heat medium for the third generator, and the third generator also has a refrigerant vapor passage communicating with the condenser to form a single-stage series based on the absorption-reabsorption-generation system Three-effect first-class absorption heat pump.
  • the first type of absorption heat pump wherein in any of the first type of absorption heat pumps of item 4, the second generator, the third generator, the third throttle valve, the fourth throttle valve, a third solution heat exchanger and a fourth solution heat exchanger, wherein the first absorber has a dilute solution line connected to the first generator via the solution pump, the first solution heat exchanger and the second solution heat exchanger
  • the concentrated solution line is connected to the second absorber through the second solution heat exchanger to adjust the first generator to have a concentrated solution line connected to the second generator via the fourth solution heat exchanger, and the second generator has
  • the concentrated solution pipeline is connected to the third generator via the third solution heat exchanger, and the third generator and the concentrated solution pipeline are connected to the second absorber via the second solution heat exchanger, and the first generator has a refrigerant
  • the first type of absorption heat pump wherein in any of the first type of absorption heat pumps of item 3, the second generator, the third generator, the third throttle valve, the fourth throttle valve, a third solution heat exchanger, a fourth solution heat exchanger, a third solution pump, and a fourth solution pump, wherein the second absorber has a dilute solution line through the second solution pump and the second solution heat exchanger with the first occurrence
  • the communication is adjusted to be that the second absorber has a dilute solution line connected to the third generator via the second solution pump and the second solution heat exchanger, and the third generator has a concentrated solution line through the third solution pump and the third
  • the solution heat exchanger is in communication with the second generator, and the second generator and the concentrated solution line are in communication with the first generator via the fourth solution pump and the fourth solution heat exchanger, and the first generator has a concentrated solution line
  • the second solution heat exchanger and the first solution heat exchanger are connected to the first absorber to adjust to the first generator having the concentrated solution pipeline through the fourth solution heat exchanger, the third
  • the first type of absorption heat pump wherein in any of the first type of absorption heat pumps of item 4, the second generator, the third generator, the third throttle valve, the fourth throttle valve, a third solution heat exchanger, a fourth solution heat exchanger, a third solution pump and a fourth solution pump, the first absorber has a dilute solution line through the first solution pump, the first solution heat exchanger and the second solution
  • the heat exchanger is connected to the first generator to be adjusted to be a first absorber having a dilute solution line connected to the third generator via the first solution pump, the first solution heat exchanger and the second solution heat exchanger, the third generator
  • the concentrated solution pipeline is connected to the second generator via the third solution pump and the third solution heat exchanger
  • the second generator further has a concentrated solution pipeline through the fourth solution pump and the fourth solution heat exchanger and the first
  • the generator is connected, and the first generator has a concentrated solution pipeline connected to the second absorber through the second solution heat exchanger to adjust the first generator to have a concentrated solution pipeline through the fourth solution heat exchanger
  • the flow valve is in communication with the condenser - the refrigerant vapor generated by the second generator acts as a driving heat medium for the third generator, and the third generator also has a refrigerant vapor passage communicating with the condenser to form an absorption-reabsorption-based generation
  • the first type of absorption heat pump in any of the first type of absorption heat pumps described in items 3-4, adding a second generator, a third solution heat exchanger, a third solution pump, and a third absorption
  • the first generator has a refrigerant vapor passage connected to the condenser, and the first generator has a refrigerant vapor passage communicating with the third absorber, and the third absorber has a dilute solution pipeline through the third solution pump and
  • the third solution heat exchanger is in communication with the second generator, the second generator and the concentrated solution line are in communication with the third absorber via the third solution heat exchanger, and the second generator further has a refrigerant vapor passage and condensation
  • the communication and the driving heat medium pipeline communicate with the outside, and the third absorber and the heated medium pipeline communicate with the outside to form an absorption-reabsorption-generation system, and the first generator provides the third absorber to the third absorber.
  • the first type of absorption heat pump in any of the first type of absorption heat pumps of item 3, adding a second generator, a third solution heat exchanger, a third solution pump, a third absorber, and a fourth solution heat exchanger, wherein the second absorber has a dilute solution line connected to the first generator via the second solution pump and the second solution heat exchanger to adjust the second absorber to have a dilute solution line through the second solution
  • the pump, the second solution heat exchanger and the third solution heat exchanger are in communication with the second generator, and the second generator and the concentrated solution line are in communication with the third absorber via the third solution heat exchanger, the third absorber
  • the dilute solution pipeline is connected to the first generator via the third solution pump and the fourth solution heat exchanger, and the first generator has a concentrated solution pipeline through the second solution heat exchanger and the first solution heat exchanger
  • the first absorber is connected to be adjusted to have a first solution having a concentrated solution line connected to the first absorber via the fourth solution heat exchanger, the second solution heat exchanger and
  • the first type of absorption heat pump wherein in any of the first type of absorption heat pumps of item 4, the second generator, the third solution heat exchanger, the third solution pump, the third absorber, and a fourth solution heat exchanger, wherein the first absorber has a dilute solution line connected to the first generator via the first solution pump, the first solution heat exchanger and the second solution heat exchanger to adjust the first absorber to be thin
  • the solution line is connected to the second generator via the first solution pump, the first solution heat exchanger, the second solution heat exchanger and the third solution heat exchanger, and the second generator has a concentrated solution line through the third solution
  • the heat exchanger is in communication with the third absorber, and the third absorber and the dilute solution line are connected to the first generator via the third solution pump and the fourth solution heat exchanger, and the first generator has a concentrated solution line
  • the second absorber of the second solution heat exchanger is connected to be adjusted such that the first generator has a concentrated solution line connected to the second absorber through the fourth solution heat exchanger and the second solution heat
  • the first type of absorption heat pump in any of the first type of absorption heat pumps of the above items 21-23, adding a second condenser and a third throttle valve, the second generator having a refrigerant vapor
  • the passage is connected to the condenser, and the second generator has a refrigerant vapor passage communicating with the second condenser, and the second condenser and the refrigerant liquid pipeline are connected to the first condenser or the evaporator via the third throttle valve.
  • the second condenser is further connected to the outside by the heated medium pipeline, and the first generator adds a refrigerant vapor passage to communicate with the first condenser to form an absorption-reabsorption-generation system, and the first generator is respectively turned to the third
  • the absorber and the second condenser provide a dual generator two stage first type absorption heat pump for refrigerant vapor.
  • the first type of absorption heat pump is any one of the first type of absorption heat pumps according to any of the items 21-23, wherein the first absorber has a heated medium line connected to the outside, and the third throttle valve is added. , the condenser adds a refrigerant liquid pipeline through the third throttle valve After communicating with the first absorber, the first absorber further has a refrigerant vapor passage communicating with the third absorber; canceling the second absorber having the heated medium conduit communicating with the outside, adding the second refrigerant liquid pump, and adding the evaporator
  • the refrigerant liquid pipeline is connected to the second absorber through the second refrigerant liquid pump, and then the second absorber is further connected with the third absorber through the refrigerant vapor passage to form an absorption-reabsorption-generation system, and is first
  • the absorber, the second absorber and the first generator collectively provide a dual generator two-stage first type absorption heat pump for the refrigerant vapor to the third absorber.
  • the first type of absorption heat pump in any of the first type of absorption heat pumps described in items 3-4, adding a second generator, a third solution heat exchanger, a third solution pump, and a third absorption
  • the evaporator has a refrigerant vapor passage connected to the first absorber to adjust the evaporator to have a refrigerant vapor passage communicating with the third absorber, and the third absorber has a dilute solution pipeline through the third solution pump and the third
  • the solution heat exchanger is in communication with the second generator, the second generator and the concentrated solution line are in communication with the third absorber via the third solution heat exchanger, and the second generator further has a refrigerant vapor passage and a first absorption
  • the communicating device and the driving heat medium pipe are connected to the outside, and the third absorber and the heated medium pipe are connected to the outside to form an absorption-reabsorption-generation system, and the second generator supplies the cold to the first absorber.
  • the first type of absorption heat pump in any of the first type of absorption heat pumps of item 3, adding a second generator, a third solution heat exchanger, a third solution pump, a third absorber, and a fourth solution heat exchanger, wherein the evaporator has a refrigerant vapor channel connected to the first absorber to adjust the evaporator to have a refrigerant vapor channel to communicate with the third absorber, and the second absorber has a dilute solution line through the second
  • the solution pump and the second solution heat exchanger are connected to the first generator to be adjusted to be a second absorber having a dilute solution line connected to the second generator via the second solution pump and the fourth solution heat exchanger, the second generator further The concentrated solution line is connected to the third absorber through the fourth solution heat exchanger and the third solution heat exchanger, and the third absorber has a dilute solution line through the third solution pump, the third solution heat exchanger and the third The two-solution heat exchanger is in communication with the first generator, and the second generator further has a
  • the first type of absorption heat pump wherein in any of the first type of absorption heat pumps of item 4, the second generator, the third solution heat exchanger, the third solution pump, the third absorber, and The fourth solution heat exchanger connects the refrigerant refrigerant vapor passage to the first absorber to adjust the evaporator to have a refrigerant vapor passage communicating with the third absorber, and the first absorber has a dilute solution pipeline passing through the first solution
  • the pump, the first solution heat exchanger and the second solution heat exchanger are connected to the first generator to be adjusted to have a first absorber having a dilute solution line connected to the second generator via the first solution pump and the fourth solution heat exchanger
  • the second generator further has a concentrated solution line connected to the third absorber via the fourth solution heat exchanger and the third solution heat exchanger, and the third absorber and the dilute solution line are passed through the third solution pump, the third The solution heat exchanger, the first solution heat exchanger and the second solution heat exchanger are in communication with the first generator, and the
  • the first type of absorption heat pump in any of the first type of absorption heat pumps described in items 26-28, adding a second condenser and a third throttle valve, the first generator adding a refrigerant vapor channel Communicating with the second condenser, the second condenser and the refrigerant liquid pipeline are connected to the evaporator through the third section, and the second condenser and the heated medium pipeline are connected to the outside to form an absorption-reabsorption a generating system, a dual generator two-stage first type absorption heat pump that supplies refrigerant vapor to the first absorber and the second condenser by the second generator; wherein, the first condenser may also be selected to have a refrigerant
  • the liquid pipeline is connected to the evaporator through the first throttle valve to be adjusted to be the first condenser, and the refrigerant liquid pipeline is connected to the second condenser via the first throttle valve.
  • the first type of absorption heat pump in any of the first type of absorption heat pumps described in items 26-28, adding a third throttle valve or a second refrigerant liquid pump, canceling the third absorber has been
  • the heating medium pipeline communicates with the outside, and the condenser adds a refrigerant liquid pipeline to communicate with the third absorber through the third throttle valve, and then the third absorber and the refrigerant vapor passage communicate with the first absorber, or the evaporator is added.
  • the refrigerant liquid pipeline is connected to the third absorber through the second refrigerant liquid pump, and then the third absorber is further connected with the first absorber through the refrigerant vapor passage, forming an absorption-reabsorption-generating system, and the second generation occurs.
  • the third absorber together to the first suction
  • the generator provides a dual generator two-stage first type absorption heat pump with refrigerant vapor.
  • the first type of absorption heat pump in any of the first type of absorption heat pumps described in item 3, adding a third throttle valve or a second refrigerant liquid pump, a third solution heat exchanger, and a third a solution pump and a third absorber, the second absorber has a dilute solution line connected to the generator via the second solution pump and the second solution heat exchanger to adjust the second absorber to have a dilute solution line through the second solution pump
  • the third solution heat exchanger is in communication with the third absorber
  • the third absorber and the dilute solution pipeline are connected to the generator via the third solution pump and the second solution heat exchanger
  • the generator has a concentrated solution pipeline
  • the second solution heat exchanger and the first solution heat exchanger are in communication with the first absorber to adjust the generator to have a concentrated solution line through the second solution heat exchanger, the third solution heat exchanger and the first solution heat exchanger
  • the first absorber is connected, the condenser adding refrigerant liquid pipeline is connected to the second absorber through the third throttle valve, and
  • the liquid line is connected to the second absorber via the second coolant pump
  • the second absorber further has a refrigerant vapor passage communicating with the third absorber, and the third absorber and the heated medium conduit are connected to the outside to form a four-heating end-single generation based on the absorption-reabsorption-generation system.
  • the first type of absorption heat pump in any of the first type of absorption heat pumps described in item 3, adding a third throttle valve or a second refrigerant liquid pump, a third solution heat exchanger and a third
  • the first absorber has a dilute solution pipeline connected to the first solution pump and the first solution heat exchanger and the second absorber to adjust the first absorber to have a dilute solution pipeline through the first solution pump and the first
  • the solution heat exchanger is in communication with the third absorber
  • the third absorber and the dilute solution line are in communication with the second absorber via the third solution heat exchanger
  • the second absorber has a dilute solution line through the second solution pump
  • communicating with the second solution heat exchanger and the generator to adjust the second absorber to have a dilute solution line connected to the generator through the second solution pump, the third solution heat exchanger and the second solution heat exchanger, and the condenser is cooled
  • the second absorber further has a refriger
  • the first type of absorption heat pump is any one of the first type of absorption heat pumps according to item 4, wherein the second solution pump, the third throttle valve or the second refrigerant liquid pump, and the third solution heat are added.
  • the exchanger and the third absorber, the generator has a concentrated solution pipeline connected to the second absorber through the second solution heat exchanger to adjust the generator to have a concentrated solution pipeline through the second solution heat exchanger and the third solution heat
  • the exchanger is in communication with the second absorber
  • the second absorber has a dilute solution line connected to the first absorber through the first solution heat exchanger to be adjusted to a second absorber having a dilute solution line through the second solution pump and
  • the three-solution heat exchanger is in communication with the third absorber, the third absorber and the dilute solution line are in communication with the first absorber via the first solution heat exchanger, and the condenser is provided with a refrigerant liquid line through the third throttle valve
  • the second absorber is further connected to the third absorber by the refrig
  • the refrigerant vapor passage is connected to the third absorber, and the third suction There is a heating medium line is in communication with the outside, is formed based on the absorption - resorption - Four heating side generating system - two first single generator type absorption heat pump.
  • the first type of absorption heat pump in any of the first type of absorption heat pumps described in item 4, adding a third throttle valve or a second refrigerant liquid pump, a third solution heat exchanger and a third
  • the generator has a concentrated solution pipeline connected to the second absorber through the second solution heat exchanger to adjust the generator to have a concentrated solution pipeline connected to the third absorber via the second solution heat exchanger, the third absorption
  • the dilute solution line is connected to the second absorber via the third solution heat exchanger, and the first absorber has a dilute solution line through the solution pump, the first solution heat exchanger and the second solution heat exchanger.
  • the communication is adjusted to be that the first absorber has a dilute solution pipeline connected to the generator via the solution pump, the first solution heat exchanger, the third solution heat exchanger and the second solution heat exchanger, and the condenser is provided with a refrigerant liquid pipeline
  • the second absorber is further connected to the third absorber by the refrigerant vapor passage, or the refrigerant is added to the coolant liquid pipeline via the second refrigerant liquid pump and the second absorption
  • the second absorber has a refrigerant vapor channel and Three absorber communication, as well as a heating medium line is communicated with the outside of the third absorber, the absorbent is formed on - two first type absorption heat pump generator mono - resorption - four side heating generation system.
  • the first type of absorption heat pump in any of the first type of absorption heat pumps described in items 31-34, cancels the first suction
  • the receiver has a medium to be heated and communicates with the outside to form a three-stage first-stage absorption heat pump based on the three-heating end-single generator of the absorption-reabsorption generating system.
  • the first type of absorption heat pump in the first type of absorption heat pump based on the absorption-reabsorption-generation system described in items 5-20, adds a new condenser and a new throttle valve.
  • the first generator adds a refrigerant vapor channel to communicate with the newly added condenser, and the new condenser and the refrigerant liquid pipeline are connected to the condenser via a new throttle valve, and the new condenser and the heated medium pipeline are connected. Externally connected, the new condenser becomes a new high-temperature heating end, forming a first type of absorption heat pump based on the absorption-reabsorption-generation system and adding a new condenser as an additional high-temperature heating end.
  • the first type of absorption heat pump in the first type of absorption heat pump based on the absorption-reabsorption-generation system described in items 15-20, adds a new condenser and a new throttle valve.
  • the second generator adds a refrigerant vapor channel to communicate with the newly added condenser, and the new condenser and the refrigerant liquid pipeline are connected to the condenser through the newly added throttle valve, and the new condenser and the heated medium pipeline are connected. Externally connected, the new condenser becomes a new high-temperature heating end, forming a first type of absorption heat pump based on the absorption-reabsorption-generation system and adding a new condenser as an additional high-temperature heating end.
  • the first type of absorption heat pump is to increase the secondary absorber, the secondary generator, the secondary solution pump and the secondary solution heat exchange in any of the first type of absorption heat pumps described in items 5-14.
  • the first generator has a refrigerant vapor passage connected to the second generator, and the second generator and the refrigerant liquid pipeline are connected to the condenser through the third throttle valve to adjust the first generator to have a refrigerant vapor.
  • the second generator further has a refrigerant liquid pipeline connected to the evaporator via the third throttle valve, and the second generator has a refrigerant vapor passage connected to the condenser to be adjusted to the second generator.
  • the refrigerant vapor passage is connected with the secondary absorber, and the secondary absorber and the dilute solution pipeline are connected to the secondary generator through the secondary solution pump and the secondary solution heat exchanger, and the secondary generator also has a concentrated solution tube.
  • the second-stage solution heat exchanger is connected to the secondary absorber, the secondary absorber and the heated medium pipeline are connected to the outside, and the secondary generator also has a refrigerant vapor passage connected to the condenser and a driving heat medium.
  • the pipeline is connected to the outside to form a single-stage double effect A two-stage first type absorption heat pump that is a first stage, which supplies refrigerant vapor from a second generator to a secondary absorber.
  • the first type of absorption heat pump in any of the first type of absorption heat pumps described in items 15-20, adding a secondary absorber, a secondary generator, a secondary solution pump and a secondary solution heat exchange
  • the first generator has a refrigerant vapor passage connected to the second generator, and the second generator and the refrigerant liquid pipeline are connected to the condenser through the third throttle valve to adjust the first generator to have a refrigerant vapor.
  • the second generator further has a refrigerant liquid pipeline connected to the evaporator via the third throttle valve, and the second generator has a refrigerant vapor passage connected to the third generator and then occurs third.
  • the refrigerant liquid pipeline is connected to the condenser through the fourth throttle valve to adjust to the second generator, and the refrigerant flow channel is connected with the third generator, and the third generator has a refrigerant liquid pipeline through the fourth
  • the throttle valve is connected with the evaporator, and the third generator has a refrigerant vapor passage communicating with the condenser to adjust the third generator to have a refrigerant vapor passage communicating with the secondary absorber, and the secondary absorber and the dilute solution pipeline Connected to the secondary generator via a secondary solution pump and a secondary solution heat exchanger
  • the secondary generator and the concentrated solution pipeline are connected to the secondary absorber through the secondary solution heat exchanger, the secondary absorber and the heated medium pipeline are connected to the outside, and the secondary generator also has the refrigerant vapor respectively.
  • the passage is connected to the condenser and has a driving heat medium pipeline connected to the outside to form a two-stage first-type absorption heat pump with a single-stage three-effect first stage and a third generator to supply the refrigerant vapor to the secondary absorber. .
  • the first type of absorption heat pump is an increase in secondary absorber, secondary generator, secondary solution pump, secondary solution heat exchange in any of the first type of absorption heat pumps described in items 5-14.
  • a secondary condenser and a secondary throttle valve the second generator is provided with a refrigerant vapor passage communicating with the secondary absorber, the secondary absorber and the dilute solution pipeline are exchanged by the secondary solution pump and the secondary solution
  • the device is connected to the secondary generator, the secondary generator and the concentrated solution pipeline are connected to the secondary absorber through the secondary solution heat exchanger, and the secondary generator and the refrigerant vapor passage are connected to the secondary condenser,
  • the stage condenser and the refrigerant liquid line are connected to the condenser through the secondary throttle valve, and the secondary absorber and the secondary condenser are respectively connected to the outside by the heated medium pipeline, and the secondary generator also has driving heat.
  • the medium line communicates with the outside to form a two-stage first-type absorption heat pump in which the single-stage double
  • the first type of absorption heat pump is an increase in secondary suction in any of the first type of absorption heat pumps described in items 15-20.
  • Receiver, secondary generator, secondary solution pump, secondary solution heat exchanger, secondary condenser and secondary throttle valve, third generator adds refrigerant vapor channel to connect with secondary absorber, secondary absorption
  • the dilute solution pipeline is connected to the secondary generator through the secondary solution pump and the secondary solution heat exchanger, and the secondary generator and the concentrated solution pipeline are connected to the secondary absorber via the secondary solution heat exchanger.
  • the secondary generator also has a refrigerant vapor passage connected to the secondary condenser, and the secondary condenser and the refrigerant liquid pipeline are connected to the condenser through the secondary throttle valve, and the secondary absorber and the secondary condenser are respectively respectively.
  • the heated medium pipe is connected to the outside, and the secondary generator and the driving heat medium pipe are connected to the outside to form a single-stage three-effect first stage, and the third generator is respectively connected to the condenser and the secondary absorber.
  • a two-stage, first-class absorption heat pump that provides refrigerant vapor.
  • Figure 1 is a schematic view showing the first structure and flow of an absorption-reabsorption-generation system according to the present invention.
  • Figure 2 is a schematic view showing the second structure and flow of the absorption-reabsorption-generation system according to the present invention.
  • Figure 3 is a schematic illustration of the construction and flow of a single stage single effect first type absorption heat pump based on the absorption-reabsorption-generation system of Figure 1 provided in accordance with the present invention.
  • Figure 4 is a schematic illustration of the construction and flow diagram of a single stage single effect first type absorption heat pump based on the absorption-reabsorption-generation system of Figure 2, provided in accordance with the present invention.
  • Figure 5 is a schematic diagram showing the structure and flow of a single-stage parallel double-effect first-class absorption heat pump based on the absorption-reabsorption-generation system of Figure 1 provided in accordance with the present invention.
  • FIG. 6 is a schematic view showing the structure and flow of a single-stage series double-effect first-class absorption heat pump based on the absorption-reabsorption-generation system shown in FIG. 2 according to the present invention.
  • Figure 7 is a schematic diagram showing the structure and flow of a single-stage series double-effect first-class absorption heat pump based on the absorption-reabsorption-generation system of Figure 1 provided in accordance with the present invention.
  • Figure 8 is a schematic diagram showing the structure and flow of a single-stage series-parallel double-effect first-class absorption heat pump based on the absorption-reabsorption-generation system of Figure 1 provided in accordance with the present invention.
  • FIG. 9 is a schematic view showing the structure and flow of a single-stage parallel three-effect first-class absorption heat pump based on the absorption-reabsorption-generation system shown in FIG. 1 according to the present invention.
  • Figure 10 is a schematic view showing the structure and flow of a single-stage series three-effect first-class absorption heat pump based on the absorption-reabsorption-generation system of Figure 1 provided in accordance with the present invention.
  • Figure 11 is a schematic view showing the structure and flow of a single-stage series three-effect first-class absorption heat pump based on the absorption-reabsorption-generation system shown in Figure 2, in accordance with the present invention.
  • Figure 12 is a two-stage two-stage first-stage absorption heat pump structure according to the present invention, based on the absorption-reabsorption-generation system of Figure 1 and providing refrigerant vapor from the first generator to the third absorber, and Schematic diagram of the process.
  • Figure 13 is a two-stage two-stage first-stage absorption heat pump structure according to the present invention, based on the absorption-reabsorption-generation system of Figure 2 and providing refrigerant vapor from the first generator to the third absorber, and Schematic diagram of the process.
  • Figure 14 is a two-stage, first-class, first-class, dual-generator based on the absorption-reabsorption-generation system of Figure 1 and provided by the first generator to the first and third absorbers, respectively. Schematic diagram of the structure and flow of the absorption heat pump.
  • Figure 15 is a diagram showing the structure and flow of a two-stage first-stage absorption heat pump based on the absorption-reabsorption-generation system of Figure 1 and the supply of refrigerant vapor from the second generator to the first absorber in accordance with the present invention. schematic diagram.
  • Figure 16 is a two-stage, first-class, two-stage generator provided in accordance with the present invention, based on the absorption-reabsorption-generation system of Figure 1, and providing refrigerant vapor to the second condenser and the first absorber, respectively, by a second generator.
  • Figure 17 is a two-stage, first-class, first-class, dual-generator based on the absorption-reabsorption-generation system of Figure 1 and based on the absorption-reabsorption-generation system of Figure 1 and the second generator and the third absorber together providing refrigerant vapor to the first absorber.
  • Figure 18 is a first schematic diagram of the first structure and flow of a four-stage first-stage absorption heat pump based on the absorption-reabsorption-generation system of Figure 1 based on the absorption-reabsorption-generation system of Figure 1.
  • Figure 19 is a three-heating-single generator based on the absorption-reabsorption-generation system of Figure 1 provided in accordance with the present invention. Schematic diagram of the structure and flow of a two-stage first type absorption heat pump.
  • Figure 20 is a second schematic diagram of the second structure and flow of a four-stage first-stage absorption heat pump based on the four-heat supply end-single generator of the absorption-reabsorption-generation system of Figure 1 provided in accordance with the present invention.
  • Figure 21 is a first schematic diagram of the first structure and flow of a four-stage first-stage absorption heat pump based on the absorption-reabsorption-generation system of Figure 2, based on the absorption-reabsorption-generation system of Figure 2.
  • Figure 22 is a second schematic diagram of the second structure and flow of a four-stage first-stage absorption heat pump based on the four-heat supply-single generator of the absorption-reabsorption-generation system of Figure 2, in accordance with the present invention.
  • Figure 23 is a schematic illustration of the construction and flow diagram of a two-stage first-stage absorption heat pump based on the three-heat-end-single generator of the absorption-reabsorption-generation system of Figure 2, in accordance with the present invention.
  • Figure 24 is a schematic view showing the structure and flow of a single-stage parallel double-effect first-class absorption heat pump based on the absorption-reabsorption-generation system shown in Figure 1 and with a new condenser as an additional high-temperature heating end.
  • Figure 25 is a schematic illustration of the construction and flow diagram of a two-stage first-stage absorption heat pump based on the absorption-reabsorption-generation system of Figure 1 and with a single-stage parallel double-effect as the first stage, in accordance with the present invention. .
  • Figure 26 is also a schematic diagram showing the structure and flow of a two-stage first-stage absorption heat pump based on the absorption-reabsorption-generation system shown in Figure 1 and having a single-stage parallel double-effect as the first stage.
  • Figure 26 is different from that shown in Figure 25 in that the second generator in Figure 25 supplies refrigerant vapor to the secondary absorber, while in Figure 26 the second generator is directed to the condenser and two.
  • the stage absorber provides refrigerant vapor.
  • Figure 27 is a schematic illustration of the structure and flow diagram of a single stage single effect first type absorption heat pump based on the absorption-reabsorption-generation system of Figure 2 provided in accordance with the present invention; wherein the distillation column replaces the generator.
  • the first absorber 1 is removed from the heated medium line to communicate with the outside to obtain a single-stage two-stage first-class absorption heat pump.
  • the first type of absorption heat pump shown in Figs. 19 and 23 is called the three-heating end-single generator based on the absorption-reabsorption-generation system. Heat pump.
  • the first type of absorption heat pump shown in Figs. 18 and 20-22 is called the four-heating end-single generator based on the absorption-reabsorption-generation system.
  • Absorption heat pump the first type of absorption heat pump shown in Figs. 18 and 20-22 is called the four-heating end-single generator based on the absorption-reabsorption-generation system. Absorption heat pump.
  • the absorption-reabsorption-generation system shown in Figure 1 is implemented as follows:
  • the first absorber 1 structurally, it is mainly composed of a first absorber, a second absorber, a generator, a first solution pump, a second solution pump, a first solution heat exchanger and a second solution heat exchanger; the second absorber 2
  • the dilute solution line is connected to the generator 3 via the second solution pump 5 and the second solution heat exchanger 7, and the generator 3 also has a concentrated solution line passing through the second solution heat exchanger 7 and the first solution heat exchanger 6.
  • the first absorber 1 and the dilute solution line are in communication with the second absorber 2 via the first solution pump 4 and the first solution heat exchanger 6, and the first absorber 1 is also separately cooled.
  • the vapor channel is connected to the outside and has The heated medium pipeline communicates with the outside, and the external refrigerant liquid pipeline communicates with the first absorber 1 , and then the first absorber 1 has a refrigerant vapor passage communicating with the second absorber 2, and the second absorber 2 has The heated medium pipe communicates with the outside, and the generator 3 also has a refrigerant vapor passage to communicate with the outside and a drive heat medium conduit to communicate with the outside.
  • cryogenic refrigerant vapor from the outside enters the first absorber 1, is absorbed by the concentrated solution from the generator 3, and radiates heat to the heated medium and the heated flow.
  • the refrigerant liquid passing through the first absorber 1 is formed into a refrigerant vapor, and the refrigerant vapor generated by the first absorber 1 is supplied to the second absorber 2; the diluted solution of the first absorber 1 is passed through the first solution pump 4 and the first
  • the solution heat exchanger 6 enters the second absorber 2, absorbs the refrigerant vapor from the first absorber 1 and radiates heat to the heated medium, and the diluted solution of the second absorber 2 passes through the second solution pump 5 and the second solution heat
  • the exchanger 7 enters the generator 3; drives the heat medium to heat the solution entering the generator 3 and releases the refrigerant vapor to the outside, and the concentrated solution of the generator 3 is gradually released through the second solution heat exchanger 7 and the first solution heat exchanger 6 After the pressure is reduced, the first absorber 1 is entered.
  • the absorption-reabsorption-generation system shown in Figure 2 is implemented as follows:
  • the first absorber 1 structurally, it is mainly composed of a first absorber, a second absorber, a generator, a solution pump, a first solution heat exchanger and a second solution heat exchanger; the first absorber 1 has a dilute solution pipeline through the solution
  • the pump 4, the first solution heat exchanger 6 and the second solution heat exchanger 7 are in communication with the generator 3, and the generator 3 and the concentrated solution line are connected to the second absorber 2 via the second solution heat exchanger,
  • the second absorber 2 and the dilute solution line communicate with the first absorber 1 via the first solution heat exchanger 6, and the first absorber 1 also has a refrigerant vapor channel connected to the outside and a heated medium line and the outside.
  • the external absorber liquid line is in communication with the first absorber 1, and the first absorber 1 is further connected with the second absorber 2 by the refrigerant vapor passage, and the second absorber 2 has the heated medium line and the outside.
  • the generator 3 also has a refrigerant vapor passage communicating with the outside and a driving heat medium conduit communicating with the outside.
  • the cryogenic refrigerant vapor from the outside is cooled (the agent liquid absorbs steam or residual heat steam generated by the heat of the refrigerant medium) into the first absorber 1, and is absorbed by the solution from the second absorber 2 and radiates heat.
  • the heated medium and the refrigerant liquid flowing through the first absorber 1 are formed into a refrigerant vapor, and the refrigerant vapor generated by the first absorber 1 is supplied to the second absorber 2; the diluted solution of the first absorber 1 is passed through the second The solution pump 5, the first solution heat exchanger 6 and the second solution heat exchanger 7 enter the generator 3, drive the heat medium to heat the solution entering the generator 3 and release the refrigerant vapor to the outside; the concentrated solution of the generator 3 passes through the second The solution heat exchanger 7 releases heat and depressurizes and then enters the second absorber 2, absorbs the refrigerant vapor from the first absorber 1 and radiates heat to the heated medium; the solution of the second absorber 2 is heat exchanged through the first solution The device 6 enters the first absorber 1.
  • the single-stage single-effect first-class absorption heat pump shown in Figure 3 is implemented as follows:
  • the B has a refrigerant vapor passage communicating with the first absorber 1, and after the external refrigerant liquid line is in communication with the first absorber 1, the first absorber 1 is further connected with the second absorber 2 by the refrigerant vapor passage. After the refrigerant liquid line of the evaporator B is connected to the first absorber 1 through the refrigerant liquid pump D, the first absorber 1 is further connected with the second absorber 2 by the refrigerant vapor passage, and the condenser A is also heated.
  • the medium pipe is connected to the outside, and the evaporator B and the waste heat medium pipe are connected to the outside.
  • the refrigerant vapor generated by the generator 3 enters the condenser A, and is heated to the heated medium to form a refrigerant liquid, and the refrigerant liquid is throttled and depressurized into the evaporator B through the throttle valve C;
  • the refrigerant liquid of B is divided into two paths - the first passage absorbs the residual heat into the refrigerant vapor and supplies it to the first absorber 1, and the second passage is pressurized by the coolant liquid pump D and then flows through the first absorber 1, sucking
  • the hot refrigerant vapor is supplied to the second absorber 2 to form a single stage single effect first type absorption heat pump based on an absorption-reabsorption-generation system.
  • the absorption-reabsorption-generation system shown in FIG. 1 and the single-stage single-effect first-type absorption heat pump shown in FIG. 3 The absorption shown in FIG.
  • the first absorber 1 supplies a heat load to the heated medium, and heats the refrigerant liquid flowing therethrough into a refrigerant vapor and supplies it to the second absorber 2, the partial heat load - Corresponding to the amount by which the first absorber 1 supplies refrigerant vapor to the second absorber 2 - it can be continuously adjusted.
  • the second absorber 2 is subjected to a high-temperature heat load, and the condensing pressure of the generator 3 to generate the refrigerant vapor can be lowered, thereby making the generator 3 outlet rich.
  • the concentration of the solution is increased, thereby increasing the concentration of the dilute solution at the outlet of the first absorber 1, and the heating temperature of the first absorber 1 is improved; as the heat load of the second absorber 2 increases, the load of the condenser A is increased ( Correspondingly, more driving heat load is required.
  • the heating temperature of the unit is increased and the performance index is correspondingly reduced.
  • This increase and decrease is continuous and stepwise; that is, the absorption-reabsorption-generation system of the present invention can be used. Achieving a reasonable correspondence between the working parameters and the performance index of the first type of absorption heat pump can also realize the uninterrupted connection between the working parameters and the performance index of the first type of absorption units.
  • the single-stage single-effect first-class absorption heat pump shown in Figure 4 is implemented as follows:
  • the condenser, the evaporator, the first section of the flow and the second throttle valve are added, and the refrigerant vapor passage of the generator 3 is connected to the outside to determine
  • the generator 3 has a refrigerant vapor passage communicating with the condenser A, and the condenser A and the refrigerant liquid pipeline are connected to the evaporator B via the first throttle valve C, and the first absorber 1 has a refrigerant vapor passage and
  • the external connection is determined to be that the evaporator B has a refrigerant vapor passage communicating with the first absorber 1, and the external absorber liquid line is in communication with the first absorber 1 and the first absorber 1 has a refrigerant vapor passage and a second
  • the absorber 2 is connected to be determined as the condenser A has a refrigerant liquid pipeline connected to the first absorber 1 via the second throttle valve E, and then the first absorber 1 has a
  • the refrigerant vapor generated by the generator 3 enters the condenser A, and is heated to the heated medium to form a refrigerant liquid, and the refrigerant liquid is divided into two paths—the first coolant liquid passes through the first throttle valve.
  • C throttling depressurizes into evaporator B, absorbs heat into refrigerant vapor and supplies it to first absorber 1, and second coolant liquid passes through second throttle valve E and then flows through first absorber 1, endothermic
  • the refrigerant vapor is supplied to the second absorber 2 to form a single-stage single-effect first-type absorption heat pump based on the absorption-reabsorption-generation system.
  • the second generator is added?
  • the third throttle valve G and the third solution heat exchanger H, the second solution pump 5 is further provided with a dilute solution pipeline connected to the second generator F via the third solution heat exchanger H, and the second generator F is further rich
  • the solution line passes through the third solution heat exchanger H and merges with the first generator 3 through the concentrated solution line after the second solution heat exchanger 7, and then communicates with the first absorber 1 via the first solution heat exchanger 6.
  • the first generator 3 has a refrigerant vapor passage connected to the condenser A to be adjusted to be the first generator 3.
  • the refrigerant vapor passage is in communication with the second generator F, and the second generator F is further connected to the refrigerant liquid pipeline.
  • the third throttle valve G is in communication with the condenser A - the refrigerant vapor generated by the first generator acts as a driving heat medium for the second generator, and the second generator F and the refrigerant vapor passage are in communication with the condenser A.
  • a part of the dilute solution of the second absorber 2 enters the second generator F through the second solution pump 5 and the third solution heat exchanger H, and the refrigerant vapor generated by the first generator 3 flows through the second generator F. heating the solution entering the second generator F to release the refrigerant vapor and supplying it to the condenser A.
  • the concentrated solution of the second generator F is passed through the third solution heat exchanger H and the first generator 3 is heated by the second solution.
  • the concentrated solution after the exchanger 7 merges and enters the first absorber 1 through the first solution heat exchanger 6, and the refrigerant vapor which drives the heat medium as the second generator F radiates heat to form a refrigerant liquid, and then passes through the third section.
  • the flow valve G is throttled into the condenser A; the refrigerant vapor entering the condenser A is heated to the heated medium to form a refrigerant liquid, and the refrigerant liquid enters the evaporator B through the first throttle valve C; enters the evaporator B
  • the refrigerant liquid is divided into two paths - the first passage absorbs the residual heat into the refrigerant vapor and enters the first absorber 1, and the second passage is pressurized by the refrigerant liquid pump D and then flows through the first absorber 1, and absorbs heat.
  • the refrigerant vapor enters the second absorber 2, forming an absorption-reabsorption-based Parallel single stage system of the first double-effect type absorption heat pump.
  • the second generator is added? a third throttle valve G and a third solution heat exchanger H, the first absorber 1 having a dilute solution line through the solution pump 4, the first solution heat exchanger 6 and the second solution heat exchanger 7 and the first
  • the generator 3 is connected to be adjusted so that the first absorber 1 has a dilute solution line through the solution pump 4, the first solution heat exchanger 6, the second solution heat exchanger 7, and the third solution heat exchanger H and the first generator 3.
  • the first generator 3 has a concentrated solution line connected to the second absorber 2 via the second solution heat exchanger 7 to be adjusted to be the first generator 3, the concentrated solution line is passed through the third solution heat exchanger H and the second generator F is connected, the second generator F and the concentrated solution pipeline are connected to the second absorber 2 via the second solution heat exchanger 7, and the first generator 3 has a refrigerant vapor passage connected to the condenser A to be adjusted to the first
  • the generator 3 has a refrigerant vapor passage communicating with the second generator F, and the second generator F and the refrigerant liquid pipeline are connected to the condenser A via the third throttle valve G - the refrigerant generated by the first generator
  • the steam acts as a driving heat medium for the second generator, and the second generator F also has a refrigerant vapor passage communicating with the condenser A.
  • the dilute solution of the first absorber 1 enters the first generator 3 via the solution pump 4, the first solution heat exchanger 6, the second solution heat exchanger 7, and the third solution heat exchanger H, the first occurrence
  • the concentrated solution of the device 3 enters the second generator F through the third solution heat exchanger H; the refrigerant vapor generated by the first generator 3 flows through the second generator F, and the solution which is heated into the second generator F releases the refrigerant
  • the steam is supplied to the condenser A, and the concentrated solution of the second generator F enters the second absorber 2 via the second solution heat exchanger 7, and the refrigerant vapor which drives the heat medium as the second generator F radiates heat to form a refrigerant liquid.
  • the first throttle valve C enters the evaporator B, absorbs the residual heat into the refrigerant vapor and is supplied to the first absorber 1, and the second coolant liquid flows through the second throttle valve E and then flows through the first absorber 1 , absorbing heat into the refrigerant vapor and supplying it to the second absorber 2, forming an absorption-reabsorption-based
  • the single-stage series double-effect first-class absorption heat pump of the system occurs.
  • the single-stage series double-effect first-class absorption heat pump shown in Figure 7 is realized as follows:
  • the second generator is added? a third throttle valve G, a third solution heat exchanger H and a third solution pump I, the second absorber 2 having a dilute solution line passing through the second solution pump 5 and the second solution heat exchanger 7 and the first
  • the generator 3 is connected to be adjusted so that the second absorber 2 has a dilute solution line connected to the second generator F via the second solution pump 5 and the second solution heat exchanger 7, and the second generator F has a concentrated solution line
  • the third solution pump I and the third solution heat exchanger H are in communication with the first generator 3, and the first generator 3 has a concentrated solution line through the second solution heat exchanger 7 and the first solution heat exchanger 6 and
  • An absorber 1 is connected to be adjusted so that the first generator 3 has a concentrated solution line connected to the first absorber 1 via the third solution heat exchanger H, the second solution heat exchanger 7, and the first solution heat exchanger 6,
  • the first generator 3 has a refrigerant vapor passage communicating
  • the dilute solution of the second absorber 2 enters the second generator F via the second solution pump 5 and the second solution heat exchanger 7, and the refrigerant vapor from the first generator 3 flows through the second generator F.
  • the solution heated into the solution releases the refrigerant vapor and is supplied to the condenser A.
  • the concentrated solution of the second generator F enters the first generator 3 through the third solution pump I and the third solution heat exchanger H, the first occurrence
  • the concentrated solution of the device 3 enters the first absorber 1 through the third solution heat exchanger H, the second solution heat exchanger 7, and the first solution heat exchanger 6; as the second generator F drives the refrigerant vapor of the heat medium
  • the hot refrigerant liquid is formed, it is throttled into the condenser A through the third throttle valve G, and the refrigerant vapor entering the condenser A is heated to the heated medium to form a refrigerant liquid, and the coolant liquid of the condenser A passes through the first
  • the throttle valve C enters the evaporator B, and the refrigerant liquid entering the evaporator B is divided into two paths - the first passage absorbs the residual heat into the refrigerant vapor and supplies it to the first absorber 1, and the second passage through the refrigerant liquid pump D After being pressurized, flowing through the first absorber
  • the second absorber 2 has a dilute solution line through the second solution pump 5 and the second solution heat exchanger 7 and the second generator F.
  • the communication is adjusted so that the second absorber 2 has a dilute solution line connected to the first generator 3 and the second generator F via the second solution pump 5 and the second solution heat exchanger 7, respectively, to form an absorption-reabsorption-based
  • a single-stage series-parallel double-effect first-class absorption heat pump of the system occurs.
  • the single-stage parallel three-effect first-class absorption heat pump shown in Figure 9 is realized as follows:
  • the refrigerant vapor passage is in communication with the second generator F, and the second generator F is cooled again.
  • the liquid supply line is connected to the condenser A via the third throttle valve G - the refrigerant vapor generated by the first generator is used as the driving heat medium of the second generator, and the second generator F is also provided with the refrigerant vapor passage and the first
  • the third generator J has a refrigerant liquid line connected to the condenser A via the fourth throttle valve K - the second
  • the refrigerant vapor generated by the generator acts as a driving heat medium for the third generator, and the third generator J and the refrigerant vapor passage are in communication with the condenser A.
  • the refrigerant vapor of the device A is heated to the heated medium to form a refrigerant liquid; the refrigerant liquid of the condenser A enters the evaporator B through the first throttle valve C, and the refrigerant liquid entering the evaporator B is divided into two paths -
  • the first path absorbs the residual heat into the refrigerant vapor and enters the first absorber 1
  • the second passage passes through the refrigerant liquid pump D and then flows through the first absorber 1, absorbs the heat into the refrigerant vapor, and enters the second absorber 2,
  • a single-stage parallel three-effect first-class absorption heat pump based on an absorption-reabsorption-generation system is formed.
  • the single-stage series three-effect first-class absorption heat pump shown in Figure 10 is realized as follows:
  • a third generator 1. a third throttle valve G, a fourth throttle valve K, a third solution heat exchanger ⁇ , and a fourth solution heat exchanger L, the second absorber 2 having a dilute solution line
  • the second solution pump 5 and the second solution heat exchanger 7 are connected to the first generator 3 to be adjusted so that the second absorber 2 has a dilute solution line through the second solution pump 5, the second solution heat exchanger 7, and the third solution.
  • the heat exchanger H and the fourth solution heat exchanger L are in communication with the first generator 3, and the first generator 3 has a concentrated solution line through the second solution heat exchanger 7 and the first solution heat exchanger 6 and the first
  • the absorber 1 is connected to be adjusted so that the first generator 3 has a concentrated solution line connected to the second generator F via the fourth solution heat exchanger L, and the second generator F has a concentrated solution line through the third solution heat exchanger.
  • the refrigerant vapor passage is connected to the condenser A to adjust to the first generator 3 having the refrigerant vapor passage and the second hair
  • the second generator F is further connected to the condenser A through the third throttle valve G.
  • the refrigerant vapor generated by the first generator is used as the driving heat medium of the second generator.
  • the second generator F has a refrigerant vapor passage communicating with the third generator J, and the third generator J is further connected to the condenser A via the fourth throttle valve K.
  • the second generator generates The refrigerant vapor serves as a driving heat medium for the third generator, and the third generator J and the refrigerant vapor passage are in communication with the condenser A.
  • the refrigerant vapor, the refrigerant vapor generated by the second generator F is supplied to the third generator J as its drive
  • the moving heat medium, the concentrated solution of the second generator F enters the third generator J through the third solution heat exchanger H; the refrigerant vapor flows through the third generator J, and the solution heated therein releases the refrigerant vapor and
  • the condenser A provides, the concentrated solution of the third generator J enters the first absorber 1 through the second solution heat exchanger 7 and the first solution heat exchanger 6; the refrigerant vapor flowing through the second generator F is exothermicly formed
  • the refrigerant liquid enters the condenser A through the third throttle valve G, and the refrigerant liquid formed by the heat release of the refrigerant vapor flowing through the third generator J enters the condenser A through the fourth throttle valve K to enter the condensation.
  • the refrigerant vapor of the device A is heated to the refrigerant medium to form the refrigerant liquid; the coolant liquid of the condenser A enters the evaporator B through the first throttle valve C, and the refrigerant liquid entering the evaporator B is divided into two paths - the first All the way absorbs the residual heat into the refrigerant vapor and supplies it to the first absorber 1.
  • the second passage is pressurized by the refrigerant liquid pump D, flows through the first absorber 1, absorbs the heat into the refrigerant vapor, and flows to the second absorber 2
  • a single-stage series three-effect first-class absorption heat pump based on an absorption-reabsorption-generation system is formed.
  • the single-stage series three-effect first-class absorption heat pump shown in Figure 11 is realized as follows:
  • a third generator [, a third throttle valve G, a fourth throttle valve K, a third solution heat exchanger ⁇ , a fourth solution heat exchanger L, a third solution pump I, and a fourth solution pump M, Adjusting the first absorber 1 having a dilute solution line through the first solution pump 4, the first solution heat exchanger 6, and the second solution heat exchanger 7 to the first generator 3 to adjust the first absorber 1 to have a dilute solution
  • the pipeline is connected to the third generator J via the first solution pump 4, the first solution heat exchanger 6 and the second solution heat exchanger, and the third generator J and the concentrated solution pipeline are passed through the third solution pump I and
  • the third solution heat exchanger H is in communication with the second generator F, and the second generator F and the concentrated solution line are connected to the first generator 3 via the fourth solution pump M and the fourth solution heat exchanger L,
  • a generator 3 has a concentrated solution line connected to the second absorber 2
  • the refrigerant vapor generated by the first generator acts as a driving heat medium for the second generator
  • the second generator F and the refrigerant vapor passage are in communication with the third generator J
  • the third generator J has a refrigerant liquid
  • the pipeline is connected to the condenser A via the fourth throttle valve K - the refrigerant vapor generated by the second generator is used as the driving heat medium of the third generator
  • the third generator J has the refrigerant vapor passage and the condenser A Connected.
  • the first generator 3 generated refrigerant vapor flows through the second generator F, heats the solution into which the third generator J passes through the third solution pump I and the third solution heat exchanger H to release the refrigerant vapor, the second generator F
  • the generated refrigerant vapor is supplied to the third generator J as its driving heat medium, heated by the first absorber 1 through the first solution pump 4, the first solution heat exchanger 6, and the second solution heat exchanger 7 into it.
  • the heat exchanger 7 enters the second absorber 2; the refrigerant liquid formed by the heat release of the refrigerant vapor flowing through the second generator F enters the condenser A through the third throttle valve G, and flows through the third generator J.
  • the refrigerant liquid formed by the exothermic heat of the refrigerant vapor passes through the fourth throttle valve K Into the condenser A, the refrigerant vapor entering the condenser A is radiated to the heated medium to form a refrigerant liquid; the refrigerant liquid of the condenser A enters the evaporator B through the first throttle valve C, and enters the refrigerant of the evaporator B.
  • the liquid is divided into two paths - the first path absorbs the residual heat into the refrigerant vapor and is supplied to the first absorber 1, and the second path is pressurized by the coolant liquid pump D and flows through the first absorber 1 to absorb the heat into the refrigerant vapor. And providing to the second absorber 2, forming a single-stage series three-effect first-class absorption heat pump based on the absorption-reabsorption-generation system.
  • the two-stage, two-stage first-stage absorption heat pump of the dual generator that supplies the refrigerant vapor from the first generator to the third absorber shown in Fig. 12 is realized as follows:
  • the second generator is added? , the third solution heat exchanger H, the third solution pump I and the third absorber N, the first generator 3 has a refrigerant vapor channel connected to the condenser A to adjust the first generator 3 to have a refrigerant vapor channel and
  • the third absorber N is in communication, the third absorber N and the dilute solution pipeline are connected to the second generator F via the third solution pump I and the third solution heat exchanger H, and the second generator F has a concentrated solution tube Road
  • the third solution heat exchanger H is in communication with the third absorber N, and the second generator F further has a refrigerant vapor passage communicating with the condenser A and a driving heat medium conduit communicating with the outside, and the third absorber N is further The heated medium line communicates with the outside.
  • the refrigerant vapor entering the third absorber N being absorbed by the concentrated solution from the second generator F and radiating heat to the heated medium
  • the dilute solution of the third absorber N enters the second generator F via the third solution pump I and the third solution heat exchanger H, and drives the solution heated by the heat medium into the second generator F to release the refrigerant vapor and to the condenser A.
  • the refrigerant vapor entering the condenser A is radiated to the heated medium to form a refrigerant liquid, and the refrigerant of the condenser A
  • the liquid enters the evaporator B through the throttle valve C, and the refrigerant liquid entering the evaporator B is divided into two paths - the first passage absorbs the residual heat into the refrigerant vapor and supplies it to the first absorber 1, and the second passage through the refrigerant liquid pump
  • D is pressurized, it flows through the first absorber 1, absorbs heat into the refrigerant vapor, and supplies it to the second absorber 2, forming an absorption-reabsorption-generation system, providing cold from the first generator to the third absorber.
  • the second generator 1 in the single-stage single-effect first-type absorption heat pump shown in FIG. 4, the second generator 1?, the third solution heat exchanger 11, the third solution pump I, the third absorber N and The fourth solution heat exchanger L adjusts the first absorber 1 having a dilute solution line through the first solution pump 4, the first solution heat exchanger 6, and the second solution heat exchanger 7 to the first generator 3 to
  • the first absorber 1 has a dilute solution line connected to the second generator F via the first solution pump 4, the first solution heat exchanger 6, the second solution heat exchanger 7, and the third solution heat exchanger H, second
  • the generator F also has a concentrated solution line communicating with the third absorber N via the third solution heat exchanger H, and the third absorber N and the dilute solution line passing through the third solution pump I and the fourth solution heat exchanger L Connected with the first generator 3, the first generator 3 has a concentrated solution pipeline connected to the second absorber 2 through the second solution heat exchanger 7 to adjust the first generator 3 to have a concentrated solution pipeline through the fourth solution heat The
  • the dilute solution of the first absorber 1 enters the second generator F via the first solution pump 4, the first solution heat exchanger, the second solution heat exchanger 7, and the third solution heat exchanger H, driving heat
  • the medium heated to enter the solution of the second generator F releases the refrigerant vapor and is supplied to the condenser A.
  • the concentrated solution of the second generator F passes through the third solution heat exchanger H into the third absorber N, and the absorption is from the first generator.
  • the dilute solution of the third absorber N enters the first generator 3 through the third solution pump I and the fourth solution heat exchanger L, and drives the heat medium to heat into the first occurrence
  • the solution of the device 3 releases the refrigerant vapor and is supplied to the third absorber N, and the concentrated solution of the first generator 3 enters the second absorber 2 through the fourth solution heat exchanger L and the second solution heat exchanger 7;
  • the refrigerant vapor of the device A is heated to the refrigerant medium to form the refrigerant liquid, and the coolant liquid of the condenser A is divided into two paths - the first passage enters the evaporator B through the first throttle valve C, and absorbs the residual heat into the refrigerant vapor.
  • the absorber provides a dual generator two-stage first type absorption heat pump with refrigerant vapor.
  • the dual generator two-stage first-stage absorption heat pump shown in Fig. 14 in which the first generator supplies refrigerant vapor to the first condenser and the third absorber, respectively, is realized as follows:
  • the second condenser 0 and the third throttle valve G are added, and the second generator F has a refrigerant vapor passage connected to the condenser A to be adjusted to the first
  • the second generator F has a refrigerant vapor passage communicating with the second condenser 0, and the second condenser 0 and the refrigerant liquid pipeline are in communication with the first condenser A via the third throttle valve G, and the second condenser 0 is further
  • the heated medium line is in communication with the outside, and the first generator 3 is provided with a refrigerant vapor passage communicating with the first condenser A.
  • the solution that drives the heat medium to heat into the first generator 3 releases the refrigerant vapor, and the refrigerant vapor enters the first condenser A and the third absorber N respectively:
  • the refrigerant vapor entering the third absorber N is Concentrated solution from the second generator F Absorbing and exothermic to the heated medium, the dilute solution of the third absorber N enters the second generator F through the third solution pump I and the third solution heat exchanger H, and drives the solution of the heat medium to enter the second generator F
  • the refrigerant vapor is released and supplied to the second condenser 0, the concentrated solution of the second generator F enters the third absorber N through the third solution heat exchanger H; the refrigerant vapor entering the second condenser 0 is exothermic
  • the heating medium is formed into a refrigerant liquid, and the refrigerant liquid of the second condenser 0 enters the first condenser A through the third throttle valve G, and the refrigerant vapor entering the first con
  • the refrigerant liquid of the first condenser A enters the evaporator B after being throttled by the first throttle valve C; the refrigerant liquid entering the evaporator B is divided into two paths - the first passage absorbs the residual heat into the refrigerant vapor and goes to the first An absorber 1 is provided, and the second passage is pressurized by the refrigerant liquid pump D and then flows through the first absorber 1, and absorbs heat into the refrigerant vapor and supplies it to the second absorber 2 to form an absorption-reabsorption-based generation.
  • a dual generator two-stage generator for supplying refrigerant vapor to the first condenser and the third absorber by the first generator A type of absorption heat pump.
  • the two-stage, two-stage first-stage absorption heat pump of the dual generator that supplies refrigerant vapor to the first absorber as shown in Fig. 15 is realized as follows:
  • the second generator is added? a third solution heat exchanger H, a third solution pump I and a third absorber N, and the evaporator B has a refrigerant vapor passage connected to the first absorber 1 to adjust the evaporator B to have a refrigerant vapor passage and a third
  • the absorber N is connected, the third absorber N and the dilute solution line are connected to the second generator F via the third solution pump I and the third solution heat exchanger H, and the second generator F has a concentrated solution line
  • the third solution heat exchanger H is in communication with the third absorber N, and the second generator F further has a refrigerant vapor passage communicating with the first absorber 1 and a driving heat medium conduit communicating with the outside, the third absorber N There is also a heated medium line that communicates with the outside.
  • the refrigerant vapor generated by the first generator 3 enters the condenser A, and releases the heat to the heated medium to form a refrigerant liquid, and the refrigerant liquid is throttled into the evaporator B through the throttle valve C; and enters the evaporator B.
  • the refrigerant liquid is divided into two paths - the first passage absorbs the residual heat into the refrigerant vapor and supplies it to the third absorber N, and the second passage is pressurized by the refrigerant liquid pump D and then flows through the first absorber 1, and absorbs heat.
  • Cooling agent vapor is supplied to the second absorber 2; refrigerant vapor entering the third absorber N is absorbed by the concentrated solution from the second generator F and radiates heat to the heated medium, the dilute solution of the third absorber N Passing through the third solution pump I and the third solution heat exchanger H into the second generator F, driving the heat medium to heat the solution injected into the second generator F to release the refrigerant vapor and supplying it to the first absorber 1, the second occurrence
  • the concentrated solution of the device F enters the third absorber N through the third solution heat exchanger H to form a two-stage generator of the double generator based on the absorption-reabsorption-generation system and the refrigerant from the second generator to the first absorber.
  • the first type of absorption heat pump is supplied to the second absorber 2; refrigerant vapor entering the third absorber N is absorbed by the concentrated solution from the second generator F and radiates heat to the heated medium, the dilute solution of the third absorber N Passing through the third solution pump I
  • the dual generator two-stage first-stage absorption heat pump shown in Fig. 16 in which the second generator supplies refrigerant vapor to the first absorber and the second condenser, respectively, is realized as follows:
  • the second condenser 0 and the third throttle valve G are added, and the second generator F is connected with the refrigerant vapor passage to communicate with the second condenser 0,
  • the first condenser A has a refrigerant liquid pipeline connected to the evaporator B through the first throttle valve C to be adjusted to be the first condenser A.
  • the refrigerant liquid pipeline is connected to the second condenser 0 through the first throttle valve C.
  • the second condenser 0 and the refrigerant liquid pipeline are connected to the evaporator B via the third throttle valve G, and the second condenser 0 is further connected to the outside by the heated medium pipeline.
  • the refrigerant vapor generated by the first generator 3 enters the first condenser A, radiates heat to the heated medium to form a refrigerant liquid, and the refrigerant liquid is throttled through the first throttle valve C into the second condenser.
  • the refrigerant vapor generated by the second generator F enters the second condenser 0, radiates heat to the heated medium to form a refrigerant liquid; the refrigerant liquid of the second condenser 0 is throttled into the evaporator through the third throttle valve G B, the refrigerant liquid entering the evaporator B is divided into two paths - the first passage absorbs the residual heat into the refrigerant vapor and supplies it to the third absorber N, and the second passage is pressurized by the refrigerant liquid pump D and then flows through the first
  • the absorber 1 absorbs heat into the refrigerant vapor and supplies it to the second absorber 2; the refrigerant vapor entering the third absorber N is absorbed by the concentrated solution from the second generator F and radiates heat to the heated medium, third The dilute solution of the absorber N enters the second generator F through the third solution pump I and the third solution heat exchanger H, and the solution that drives the heat medium to enter the second generator F releases the refrigerant
  • the dual generator two-stage first-stage absorption heat pump in which the second generator and the third absorber together provide refrigerant vapor to the first absorber shown in Fig. 17 is realized as follows -
  • the third absorber N has the heated medium line removed.
  • the third throttle valve G is added, the condenser A adds a refrigerant liquid pipeline, and after the third throttle valve G communicates with the third absorber N, the third absorber N has a refrigerant vapor passage and the first The absorber 1 is connected.
  • the refrigerant vapor generated by the first generator 3 enters the condenser A, and releases the heat to the heated medium to form a refrigerant liquid, and the refrigerant liquid is divided into two paths - the first passage through the first throttle valve C section After flowing, it enters the evaporator B, and the second passage is throttled by the third throttle valve G, flows through the third absorber, absorbs heat into the refrigerant vapor and is supplied to the first absorber 1, and enters the cold of the evaporator B.
  • the agent liquid is divided into two paths - the first path absorbs the residual heat into the refrigerant vapor and is supplied to the third absorber N, and the second path is pressurized by the coolant liquid pump D and then flows through the first absorber 1, and absorbs heat to form a cold
  • the agent vapor is supplied to the second absorber 2; forming a two-stage first class based on the absorption-reabsorption-generation system, the second generator and the third absorber jointly supplying the refrigerant vapor to the first absorber Absorption heat pump.
  • the four-heating-single generator two-stage first-stage absorption heat pump shown in Fig. 18 is realized in this way -
  • the second absorber 2 has a dilute solution line connected to the generator 3 via the second solution pump 5 and the second solution heat exchanger 7 to adjust the second absorber 2 to have a dilute solution line through the second solution pump 5 and the third
  • the solution heat exchanger H is in communication with the third absorber N, and the third absorber N and the dilute solution line are connected to the generator 3 via the third solution pump I and the second solution heat exchanger 7, and the generator 3 is concentrated
  • the solution line is connected to the first absorber 1 via the second solution heat exchanger 7 and the first solution heat exchanger 6 to adjust the generator 3 to have a concentrated solution line through the second solution heat exchanger 7, and the third solution is heat exchanged.
  • the H and the first solution heat exchanger 6 are in communication with the first absorber 1, and the condenser A adds a refrigerant liquid line to communicate with the second absorber 2 via the third throttle valve G, and the second absorber 2 is cooled again.
  • the vapor channel of the agent is in communication with the third absorber N, and the third absorber N is connected to the outside by the medium of the heated medium .
  • the dilute solution of the second absorber 2 enters the third absorber through the second solution pump 5 and the third solution heat exchanger H, absorbs the refrigerant vapor from the second absorber 2, and radiates heat to the Heating medium
  • the dilute solution of the third absorber N enters the generator 3 through the third solution pump I and the second solution heat exchanger 7; the solution that drives the heat medium to heat the generator 3 releases the refrigerant vapor and provides the condenser A
  • the concentrated solution of the generator 3 enters the first absorber 1 through the second solution heat exchanger 7, the third solution heat exchanger H and the first solution heat exchanger 6; the refrigerant vapor entering the condenser A is heated to be
  • the heating medium is formed into a refrigerant liquid, and the refrigerant liquid of the condenser A is divided into two paths - the first passage enters the evaporator B through the first throttle valve C, and the second passage flows through the third throttle valve G and then flows through
  • the second absorber 2 absorbs heat into
  • the three-heating-single-generator two-stage first-stage absorption heat pump shown in Fig. 19 is realized in the four-heating-single-generator two-stage first-stage absorption heat pump shown in Fig. 18,
  • the first absorber 1 is disconnected from the outside by the heating medium line to form a three-stage first-stage absorption heat pump based on the three-heating end-single generator of the absorption-reabsorption-generation system.
  • the four-heating-single-generator two-stage first-stage absorption heat pump shown in Fig. 20 is realized as follows:
  • the third throttle valve G, the third solution heat exchanger H and the third absorber N are added, and the first absorber 1 is added.
  • the dilute solution line is connected to the second absorber 2 via the first solution pump 4 and the first solution heat exchanger 6 to adjust the first absorber 1 to have a dilute solution line through the first solution pump 4 and the first solution heat exchange
  • the sixth absorber N is in communication with the third absorber N, the third absorber N and the dilute solution line are connected to the second absorber 2 via the third solution heat exchanger H, and the second absorber 2 has a dilute solution line through the first
  • the two solution pump 5 and the second solution heat exchanger 7 are connected to the generator 3 to be adjusted so that the second absorber 2 has a dilute solution line through the second solution pump 5, the third solution heat exchanger H and the second solution.
  • the liquid heat exchanger 7 is in communication with the generator 3, and the condenser A adds a refrigerant liquid line to communicate with the second absorber 2 via the third throttle valve G, and the second absorber 2 has a refrigerant vapor passage and a third absorption.
  • the device N is in communication, and the third absorber N is also in communication with the outside by the heated medium line.
  • the dilute solution of the first absorber 1 enters the third absorber N via the first solution pump 4 and the first solution heat exchanger 6, absorbs the refrigerant vapor from the second absorber 2, and radiates heat to be heated.
  • the medium, the dilute solution of the third absorber N enters the second absorber 2 through the third solution heat exchanger H; the dilute solution of the second absorber 2 passes through the second solution pump 5, the third solution heat exchanger H and the second
  • the solution heat exchanger 7 enters the generator 3; the refrigerant vapor generated by the generator 3 enters the condenser A, radiates heat to the heated medium to form a refrigerant liquid, and the refrigerant liquid of the condenser A is divided into two paths - the first path
  • the first throttle valve C enters the evaporator B, the second passage is throttled by the third throttle valve G, and then flows through the second absorber 2, absorbs heat into the refrigerant vapor, and supplies it to the third absorber, forming an absorption
  • the second solution pump 5 has a concentrated solution pipeline connected to the second absorber 2 through the second solution heat exchanger 7 to adjust the generator 3 has a concentrated solution pipeline through the second solution heat exchanger 7 and the third solution heat exchanger H is in communication with the second absorber 2
  • the second absorber 2 has a dilute solution line connected to the first absorber 1 through the first solution heat exchanger 6 to be adjusted to a second absorber 2 having a dilute solution line through the second
  • the solution pump 5 and the third solution heat exchanger H are in communication with the third absorber N, and the third absorber N and the dilute solution line are in communication with the first absorber 1 via the first solution heat exchanger 6, and the evaporator B is additionally provided.
  • the refrigerant liquid pipeline communicates with the second absorber 2 via the second refrigerant liquid pump P, and then the second absorber 2 has a refrigerant vapor passage communicating with the third absorber N, and the third absorber N has a heated medium.
  • the piping is connected to the outside.
  • the concentrated solution of the generator 3 enters the second absorber 2 through the second solution heat exchanger 7 and the third solution heat exchanger H, and the diluted solution of the second absorber 2 passes through the second solution pump 5 and the third
  • the solution heat exchanger H enters the third absorber N, absorbs the refrigerant vapor from the second absorber 2 and radiates heat to the heated medium, and the solution of the third absorber N enters the first absorption through the first solution heat exchanger 6.
  • the refrigerant vapor generated by the generator 3 enters the condenser A, radiates heat to the heated medium to form a refrigerant liquid, and the refrigerant liquid of the condenser A is divided into two paths - the first passage enters through the first throttle valve C
  • the evaporator B, the second passage is throttled by the second throttle valve E and then flows through the first absorber 1, absorbs heat into the refrigerant vapor and supplies it to the second absorber 2;
  • the refrigerant liquid entering the evaporator B is divided into Two ways - the first way absorbs the residual heat into the refrigerant vapor and supplies it to the first absorber 1, and the second way is pressurized by the second refrigerant liquid pump P and then flows through the second absorber 2, which absorbs the heat into the refrigerant
  • the steam is supplied to the third absorber N to form four heating ends based on the absorption-reabsorption-generation system-single Two first generator type absorption heat pump.
  • the four-heating-single-generator two-stage first-stage absorption heat pump shown in Fig. 22 is realized as follows:
  • the exchanger 7 is connected to the generator 3 to be adjusted so that the first absorber 1 has a dilute solution line through the solution pump 4, the first solution heat exchanger 6, the third solution heat exchanger H and the second solution heat exchanger 7
  • the third reactor 2 is connected to the third absorber 2
  • the second absorber 2 is connected to the third absorber N
  • the second absorber 2 is connected to the third absorber N.
  • the absorber N is also in communication with the outside by a heated medium line.
  • the dilute solution of the first absorber 1 enters the generator 3 via the first solution pump 4, the first solution heat exchanger 6, the third solution heat exchanger H and the second solution heat exchanger 7, driving the heat medium
  • the solution heated into the generator 3 releases the refrigerant vapor
  • the concentrated solution of the generator 3 enters the third absorber N through the second solution heat exchanger 7, absorbs the refrigerant vapor from the second absorption 2, and radiates heat to the heated medium.
  • the dilute solution of the third absorber N enters the second absorber 2 through the third solution heat exchanger H; the refrigerant vapor generated by the generator 3 enters the condenser A, radiates heat to the heated medium to form a refrigerant liquid, and the condenser A cold
  • the liquid is divided into two paths - the first passage enters the evaporator B through the first throttle valve C, the second passage is throttled by the second throttle valve E, and then flows through the first absorber 1, and absorbs heat into the refrigerant vapor.
  • the refrigerant liquid entering the evaporator B is divided into two paths - the first path absorbs the residual heat into the refrigerant vapor and provides the first absorber 1, and the second path passes the second coolant pump After P is pressurized, it flows through the second absorber 2, absorbs heat into the refrigerant vapor, and supplies it to the third absorber N, forming a four-heating end-single generator based on the absorption-reabsorption-generation system.
  • Absorption heat pump is used to the refrigerant liquid entering the evaporator B.
  • the three-heating-single-generator two-stage first-stage absorption heat pump shown in Figure 23 is realized as follows:
  • the first absorber 1 is eliminated from the heated medium line to communicate with the outside to form an absorption-reabsorption-generation system.
  • the single-stage parallel double-effect first-class absorption heat pump with additional condenser as the additional high-temperature heating end shown in Figure 24 is realized as follows -
  • the first generator 3 generates a part of the refrigerant vapor into the new condenser a, exotherms the refrigerant into the heated medium, and adds the coolant of the condenser al through the new throttle valve bl Entering the first condenser eight, the new condenser a becomes a new high-temperature heating end, forming a single-stage double-effect first-class absorption based on the absorption-reabsorption-generation system and adding a new high-temperature heating end Heat pump.
  • the two-stage first-class absorption heat pump with single-stage parallel double-effect as the first stage shown in Figure 25 is realized as follows:
  • the second generator F and the refrigerant liquid pipeline are connected to the condenser A via the third throttle valve G to be adjusted to have the refrigerant vapor of the first generator 3
  • the second generator F is further connected with the refrigerant liquid line via the third throttle valve G and the evaporator B, and the second generator F has a refrigerant vapor passage connected to the condenser A.
  • the secondary absorber a2 having a dilute solution line through the secondary solution pump c2 and the secondary solution heat exchanger d2 and the secondary generator B2 is connected, the secondary generator b2 and the concentrated solution pipeline are connected to the secondary absorber a2 via the secondary solution heat exchanger d2, and the secondary generator b2 and the refrigerant vapor passage are connected to the condenser A, and the secondary absorption
  • the a2 is also connected to the outside by the heated medium line, and the secondary generator b2 is also driven. Heat medium line communication with the outside.
  • the second-stage process for raising the residual heat temperature is carried out as follows: the refrigerant vapor generated by the second generator F enters the secondary absorber a2, is absorbed by the concentrated solution from the secondary generator b2, and is heated to be Heating medium, the dilute solution of the secondary absorber a2 enters the secondary generator b2 through the secondary solution pump c2 and the secondary solution heat exchanger d2, and the solution that drives the heat medium to enter the secondary generator b2 releases the refrigerant vapor to the condensation The A solution of the secondary generator b2 is returned to the secondary absorber a2 via the secondary solution heat exchanger d2 to form a single stage double effect as the first stage and a second generator to the secondary absorber. A two-stage first type absorption heat pump for refrigerant vapor.
  • the two-stage first-class absorption heat pump with single-stage parallel double-effect as the first stage shown in Figure 26 is realized as follows:
  • the second generator F is provided with a refrigerant vapor passage communicating with the secondary absorber a2, the secondary absorber a2 and the dilute solution pipeline passing through the secondary solution pump c2 and the secondary solution heat exchanger d2 Connected with the secondary generator b2, the secondary generator b2 and the concentrated solution pipeline communicate with the secondary absorber a2 via the secondary solution heat exchanger d2, and the secondary generator b2 also has a refrigerant vapor passage and secondary condensation
  • the device e2 is connected, the secondary condenser e2 and the refrigerant liquid pipeline are connected to the condenser A via the secondary throttle valve f2, and the secondary absorber a2 and the secondary condenser e2 respectively have the heated medium pipeline and the external Connected, the secondary generator b2 also has a refrigerant vapor passage communicating with the secondary absorber a2, the secondary absorber a2 and the dilute solution pipeline passing through the secondary solution pump c2 and the secondary solution heat exchanger d2 Connected
  • the second-stage process for raising the residual heat temperature is performed as follows: a part of the refrigerant generated by the second generator F
  • the steam enters the secondary absorber a2, is absorbed by the concentrated solution from the secondary generator b2 and radiates heat to the heated medium, and the dilute solution of the secondary absorber a2 enters through the secondary solution pump c2 and the secondary solution heat exchanger d2
  • the secondary generator b2 the solution that drives the heat medium to heat into the secondary generator b2 releases the refrigerant vapor to the secondary condenser e2, and the concentrated solution of the secondary generator b2 enters the secondary absorption through the secondary solution heat exchanger d2.
  • the refrigerant vapor entering the secondary condenser e2 is radiated to the heated medium to form a refrigerant liquid, and the refrigerant liquid of the secondary condenser e2 enters the condenser A through the secondary throttle valve f2 to form a single-stage double
  • the first-stage absorption heat pump of the first stage which supplies the refrigerant vapor to the condenser and the secondary absorber by the second generator, respectively.
  • the single-stage single-effect first-class absorption heat pump shown in Figure 27 is implemented as follows:
  • the distillation column replaces the generator
  • the first absorber 1 has a dilute solution line through the solution pump 4
  • the solution heat exchanger 7 is in communication with the rectification column
  • the rectification column and the concentrated solution line are connected to the second absorber 2 via the second solution heat exchanger 7, and the rectification column further has a refrigerant vapor channel connected to the outside
  • the driving heat medium pipeline communicates with the outside and the heated medium pipeline communicates with the outside;
  • the condenser, the evaporator, the first throttle valve and the second throttle valve are further added
  • the fine tower 3 has a refrigerant vapor passage
  • the connection with the outside is determined as the rectification tower 3 having a refrigerant vapor passage communicating with the condenser A, and the condenser A and the refrigerant liquid pipeline are connected to the evaporator B via the first throttle valve C, and the first absorber 1 is The
  • the steam passage is connected to the second absorber 2 to determine that the condenser A is cold.
  • the first absorber 1 After the liquid pipeline communicates with the first absorber 1 via the second throttle valve E, the first absorber 1 has a refrigerant vapor passage communicating with the second absorber 2, and the condenser A is also connected to the outside by the heated medium pipeline. , the evaporator B and the residual heat medium pipeline communicate with the outside.
  • the refrigerant vapor generated by the rectification column 3 enters the condenser A, and is heated to the heated medium to form a refrigerant liquid, and the refrigerant liquid is divided into two paths—the first coolant liquid passes through the first throttling
  • the valve C is throttled to enter the evaporator B, absorbs heat into the refrigerant vapor and is supplied to the first absorber 1, and the second coolant liquid passes through the second throttle valve E and then flows through the first absorber 1, sucking
  • the hot refrigerant vapor is supplied to the second absorber 2 to form a single stage single effect first type absorption heat pump based on the absorption-reabsorption-generation system.
  • Absorption-reabsorption-generation system, structure and process are simple and reasonable. Compared with the conventional absorption-generation system composed of an absorber, a solution pump, a solution heat exchanger and a generator, the absorption-reabsorption-generation system proposed by the present invention mainly increases the second absorber and the second solution heat exchanger. Or with the second solution pump, the concept is clever, the structure and process are simple and reasonable.
  • the proposed series of first-class absorption heat pumps realizes the continuous correspondence and change of the working parameters and performance index of the first type of absorption heat pump/refrigerator, realizing the working parameters and performance index between the first type of absorption units. Uninterrupted convergence.
  • the first type of absorption heat pump based on the absorption-reabsorption-generation system realizes the diversity of the first type of absorption unit, which can better realize the unit heating/cooling and user heat/cool demand. Match each other.
  • the first type of absorption heat pump provided by the present invention can select the proportion of the high temperature heat load according to the residual heat parameter and the heating temperature, and realize the stepwise correspondence between the heating temperature and the performance index. Obtaining a corresponding and reasonable performance index can improve the utilization efficiency of waste heat; when used as a refrigerator, the first type of absorption heat pump provided by the present invention can select the corresponding number according to the operating parameters of the driving heat medium, the cooling medium and the medium to be cooled. A type of absorption refrigeration unit, and choose the appropriate proportion of the temperature and heat load to maximize the refrigeration coefficient of the unit.
  • the invention realizes the diversity of the types of the first type of absorption heat pump units, realizes the reasonable correspondence and the uninterrupted connection between the first type of absorption heat pump units in the working parameters and performance indexes, and can obtain reasonable performance. Index; able to better meet the user's heat/cooling needs, with excellent creativity, novelty and practicality.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Sorption Type Refrigeration Machines (AREA)

Abstract

La présente invention a trait à un système de génération à absorption-résorption et à une pompe à chaleur à absorption de premier type. Un second absorbeur (2) est connecté avec un générateur (3) par l'intermédiaire d'une seconde pompe de solution (5) et un second échangeur de chaleur de solution (7), le générateur (3) est connecté avec un premier absorbeur (1) par l'intermédiaire du second échangeur de chaleur de solution (7) et d'un premier échangeur de chaleur de solution (6), et le premier absorbeur (1) est connecté avec le second absorbeur (2) par l'intermédiaire d'une première pompe de solution (4) et du premier échangeur de chaleur de solution (6), de manière à former de la sorte un type de système de génération à absorption-résorption. Ou encore, le premier absorbeur (1) est connecté avec le générateur (3) par l'intermédiaire de la seconde pompe de solution (5), du premier échangeur de chaleur de solution (6) et du second échangeur de chaleur de solution (7), le générateur (3) est connecté avec le second absorbeur (2) par l'intermédiaire du second échangeur de chaleur de solution (7), et le second absorbeur (2) est connecté avec le premier absorbeur (1) par l'intermédiaire du premier échangeur de chaleur de solution (6), de manière à former de la sorte un autre type de système de génération à absorption-résorption. Dans les deux types de systèmes de génération à absorption-résorption, le premier absorbeur (1) est équipé d'un passage de vapeur de liquide de refroidissement et d'une conduite de milieu chauffé qui sont connectés avec l'extérieur, respectivement, la partie extérieure du premier absorbeur (1) est équipée d'une conduite de liquide de refroidissement qui est connectée au premier absorbeur (1) puis le premier absorbeur (1) est équipé d'un passage de vapeur de liquide de refroidissement qui est connecté au second absorbeur (2), qui est doté d'une conduite de milieu chauffé qui est à son tour connectée avec l'extérieur, et le générateur (3) est équipé d'un passage de vapeur de liquide de refroidissement et d'une conduite de milieu de chaleur d'entraînement qui sont connectés avec l'extérieur, respectivement. Un ensemble de pompes à chaleur à absorption de premier type est formé en combinant le système de génération à absorption-résorption avec d'autres composants comprenant un condensateur (A), un évaporateur (B) et un robinet d'étranglement (C).
PCT/CN2010/001635 2010-08-13 2010-10-18 Système de génération à absorption-résorption et pompe à chaleur à absorption de premier type WO2012019329A1 (fr)

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CN102297541B (zh) * 2011-05-23 2013-09-18 李华玉 第三类吸收-发生系统与第三类吸收式热泵
CN102287960B (zh) * 2011-07-04 2013-09-18 李华玉 第三类吸收式热泵
CN104807240B (zh) * 2014-03-27 2017-07-21 李华玉 第五类吸收式热泵
CN104963732B (zh) * 2014-05-28 2019-01-04 李华玉 联合循环供能系统
CN104929706B (zh) * 2014-05-28 2019-01-04 李华玉 联合循环供能系统
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CN104948245A (zh) * 2014-06-09 2015-09-30 李华玉 联合循环供能系统
CN107477905B (zh) * 2017-08-04 2020-06-12 上海交通大学 再吸收与吸收发生换热结合的吸收式循环系统及其方法

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