WO2022062272A1 - 回热式热力循环与新型回热机械压缩式热泵 - Google Patents

回热式热力循环与新型回热机械压缩式热泵 Download PDF

Info

Publication number
WO2022062272A1
WO2022062272A1 PCT/CN2021/000196 CN2021000196W WO2022062272A1 WO 2022062272 A1 WO2022062272 A1 WO 2022062272A1 CN 2021000196 W CN2021000196 W CN 2021000196W WO 2022062272 A1 WO2022062272 A1 WO 2022062272A1
Authority
WO
WIPO (PCT)
Prior art keywords
compressor
medium channel
temperature heat
low
regenerator
Prior art date
Application number
PCT/CN2021/000196
Other languages
English (en)
French (fr)
Inventor
李华玉
李鸿瑞
Original Assignee
李华玉
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 李华玉 filed Critical 李华玉
Publication of WO2022062272A1 publication Critical patent/WO2022062272A1/zh

Links

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
    • F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/06—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using expanders
    • 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
    • F25B30/00—Heat pumps
    • F25B30/02—Heat pumps of the compression type
    • 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
    • F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • 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
    • F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/08—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using ejectors

Definitions

  • the present invention belongs to the technical field of thermodynamics and thermodynamics.
  • Background Art Cold demand, heat demand and power demand are common in human life and production.
  • the mechanical compression heat pump based on Brayton reverse cycle using gas as the circulating working medium is an important means to achieve refrigeration and efficient heating; among them, regenerative measures are often used to achieve deep refrigeration or reduce the cycle compression ratio.
  • the heat absorption side of the regenerative process is relatively fixed, which makes the regenerative parameters inflexible, and it is difficult to ensure the rationalization of the performance index or the minimization of the temperature difference loss in many cases.
  • the invention provides a regenerative thermodynamic cycle with flexible regenerative parameters, adapting to a variety of different working conditions and rationalizing performance indices; based on the new regenerative thermodynamic cycle, the invention provides a variety of specific new regenerative machines Compression heat pump.
  • the main purpose of the present invention is to provide a regenerative thermodynamic cycle and a new type of regenerative mechanical compression heat pump. The specific content of the invention is described as follows:
  • the regenerative thermodynamic cycle refers to seven processes that are carried out in sequence by a certain quality of circulating working fluid—the endothermic process from a low-temperature heat source 12, the boosting process 23, the self-circulating working fluid Endothermic process 34, the boosting process 45, the heat release process 56 to the high temperature heat source, the heat release process 67 to the circulating working medium, and the depressurization process 71—a closed process consisting of; wherein, the heat release of the process 67 meets the endotherm of the process 34.
  • the new type of regenerative mechanical compression heat pump is mainly composed of a compressor, an expansion speed up machine, a diffuser tube, a heater, a low temperature heat exchanger and a regenerator; the compressor has a circulating working medium channel through the heater.
  • the heater also has a heated medium channel that communicates with the outside
  • the low-temperature heat exchanger also has a low-temperature heat medium channel that communicates with the outside
  • the expansion speed-up machine is connected to the compressor and transmits power to form a new type of regenerative mechanical compression heat pump.
  • the new type of regenerative mechanical compression heat pump is mainly composed of a compressor, an expansion speed increaser, a dual-energy compressor, a heater, a low temperature heat exchanger and a regenerator; the compressor has a circulating working medium channel for heating The compressor and the regenerator are communicated with the expansion speed-up machine, the expansion speed-up machine and the circulating working medium channel are communicated with the dual-energy compressor through the low-temperature heat exchanger, and the dual-energy compressor and the circulating working medium channel are connected with the compressor through the regenerator.
  • the new type of regenerative mechanical compression heat pump is mainly composed of a compressor, a nozzle, a diffuser, a heater, a low temperature heat exchanger and a regenerator;
  • the heater is communicated with the nozzle, the nozzle and the circulating working medium channel are communicated with the diffuser through the low temperature heat exchanger, and the diffuser and the circulating working medium channel are communicated with the compressor through the regenerator;
  • the heating medium channel is communicated with the outside, and the low-temperature heat exchanger and the low-temperature heat medium channel are communicated with the outside to form a new type of regenerative mechanical compression heat pump.
  • the new regenerative mechanical compression heat pump is mainly composed of a dual-energy compressor, a nozzle, a diffuser, a heater, a low-temperature heat exchanger and a regenerator;
  • the dual-energy compressor has a circulating working medium channel for supplying The heater and the regenerator communicate with the nozzle, and the nozzle also
  • a circulating working medium channel is communicated with the diffuser tube through the low temperature heat exchanger, and the diffuser tube and the circulating working medium channel are communicated with the dual-energy compressor through the regenerator; the heater and the heated medium channel are communicated with the outside, and the low temperature
  • the heat exchanger also has a low-temperature heat medium channel that communicates with the outside to form a new type of recuperative mechanical compression heat pump.
  • the new type of regenerative mechanical compression heat pump is mainly composed of a dual-energy compressor, an expansion speed increaser, a diffuser, a heater, a low-temperature heat exchanger and a regenerator; the dual-energy compressor has a circulating working medium channel The expansion speed-up machine and the circulating working medium channel are communicated with the diffuser tube through the low temperature heat exchanger, and the diffuser tube and the circulating working medium channel are connected with the regenerator through the heat exchanger and the regenerator.
  • the dual-energy compressor communicates with the outside; the heater also has a heated medium channel that communicates with the outside, the low-temperature heat exchanger also has a low-temperature heat medium channel that communicates with the outside, and the expansion speed up machine is connected to the dual-energy compressor and transmits power to form a new type of heat recovery.
  • Mechanical compression heat pump is connected to the dual-energy compressor and transmits power to form a new type of heat recovery.
  • the new type of regenerative mechanical compression heat pump is mainly composed of a compressor, an expansion speed increaser, a dual-energy compressor, a heater, a low-temperature heat exchanger and a regenerator; the dual-energy compressor has a circulating working medium channel through The heat supply and the regenerator are communicated with the expansion speed-up machine, the expansion speed-up machine and the circulating working medium channel are communicated with the compressor through the low temperature heat exchanger, and the compressor and the circulating working medium channel are connected with the dual-energy compressor through the regenerator.
  • the heater is connected to the outside with the medium channel to be heated, the low-temperature heat exchanger and the low-temperature heat medium channel are connected to the outside, the expansion speed up machine is connected to the compressor and the dual-energy compressor and transmits power to form a new type of heat recovery.
  • Mechanical compression heat pump is connected to the compressor and the dual-energy compressor and transmits power to form a new type of heat recovery.
  • the new type of regenerative mechanical compression heat pump is mainly composed of a compressor, an expansion speed increaser, a diffuser tube, a heat supply, a low temperature heat exchanger and a regenerator;
  • the diffuser tube has a circulating working medium channel for heat supply
  • the compressor and the regenerator are communicated with the expansion speed-up machine, the expansion speed-up machine and the circulating working fluid channel are communicated with the compressor through the low temperature heat exchanger, and the compressor and the circulating working fluid channel are communicated with the diffuser pipe through the regenerator;
  • the heater also has a heated medium channel that communicates with the outside, the low-temperature heat exchanger also has a low-temperature heat medium channel that communicates with the outside, and the expansion speed-up machine is connected to the compressor and transmits power to form a new type of regenerative mechanical compression heat pump.
  • the new type of regenerative mechanical compression heat pump is mainly composed of a compressor, a nozzle, a diffuser, a heater, a low temperature heat exchanger and a regenerator;
  • the diffuser has a circulating working medium channel through the heater and
  • the regenerator is communicated with the nozzle, the nozzle and the circulating working fluid channel are communicated with the compressor through the low temperature heat exchanger, and the compressor and the circulating working fluid channel are communicated with the diffuser through the regenerator;
  • the heating medium channel is communicated with the outside, and the low-temperature heat exchanger and the low-temperature heat medium channel are communicated with the outside to form a new type of regenerative mechanical compression heat pump.
  • the new type of regenerative mechanical compression heat pump is mainly composed of a compressor, an expander, a heater, a low temperature heat exchanger and a regenerator;
  • the compressor also has a circulating working medium channel that communicates with itself through a regenerator, and the compressor also has a circulating working medium channel that communicates with the expander through a heater and a regenerator.
  • the heater also has a heated medium channel that communicates with the outside.
  • the low-temperature heat exchanger also has a low-temperature heat medium channel to communicate with the outside, and the expander is connected to the compressor and transmits power to form a new type of heat recovery mechanical compression heat pump.
  • the new type of regenerative mechanical compression heat pump is mainly composed of compressor, expansion speed up machine, diffuser tube, low temperature heat exchanger and regenerator;
  • the expansion speed-up machine and the heated medium channel are communicated with the diffuser pipe through the low temperature heat exchanger, the diffuser pipe and the heated medium channel are communicated with the compressor through the regenerator, and the compressor and the heated medium channel are connected with the diffuser.
  • External communication; the low temperature heat exchanger and the low temperature heat medium channel are connected to the outside, and the expansion speed increaser is connected to the compressor and transmits power to form a new type of heat recovery mechanical compression heat pump.
  • the new type of regenerative mechanical compression heat pump is mainly composed of compressor, expansion speed up machine, dual energy compressor, low temperature heat exchanger and regenerator;
  • the expansion speed-up machine and the heated medium channel are connected with the dual-energy compressor through the low-temperature heat exchanger, and the dual-energy compressor and the heated medium channel are connected through the low-temperature heat exchanger.
  • the regenerator communicates with the compressor, and the compressor and the heated medium channel communicate with the outside; the low-temperature heat exchanger and the low-temperature heat medium channel communicate with the outside, and the expansion speed-up machine connects the compressor and the dual-energy compressor and transmits power,
  • a new type of regenerative mechanical compression heat pump is formed.
  • the new type of regenerative mechanical compression heat pump is mainly composed of a compressor, a nozzle, a diffuser, a low-temperature heat exchanger and a regenerator; externally, there is a heated medium channel connected to the nozzle through the regenerator.
  • a heated medium channel that communicates with the diffuser tube through a low temperature heat exchanger, the diffuser tube and a heated medium channel communicate with the compressor through a regenerator, and the compressor and a heated medium channel communicate with the outside; low temperature heat exchange
  • the new type of regenerative mechanical compression heat pump is mainly composed of a dual-energy compressor, a nozzle, a diffuser, a low temperature heat exchanger and a regenerator; the external heating medium channel is connected to the nozzle through the regenerator.
  • the nozzle also has a heated medium channel that communicates with the diffuser through a low-temperature heat exchanger.
  • the diffuser also has a heated medium channel that communicates with the dual-energy compressor through a regenerator.
  • the dual-energy compressor also has a heated medium channel to communicate with the diffuser. External communication; the low temperature heat exchanger and the low temperature heat medium channel are connected to the outside to form a new type of recuperative mechanical compression heat pump.
  • the new type of regenerative mechanical compression heat pump is mainly composed of compressor, expansion speed up machine, dual-energy compressor, low temperature heat exchanger and regenerator;
  • the expansion speed up machine and the heated medium channel are connected with the compressor through the low temperature heat exchanger, the compressor and the heated medium channel are connected with the dual-energy compressor through the regenerator, and the dual-energy compressor is also heated
  • the medium channel is communicated with the outside; the low-temperature heat exchanger and the low-temperature heat medium channel are communicated with the outside, and the expansion speed up machine connects the compressor and the dual-energy compressor and transmits power to form a new type of heat recovery mechanical compression heat pump.
  • the new type of regenerative mechanical compression heat pump is mainly composed of compressor, expansion speed up machine, diffuser tube, low temperature heat exchanger and regenerator;
  • the expansion speed-up machine and the heated medium channel are communicated with the compressor through the low temperature heat exchanger, the compressor and the heated medium channel are communicated with the diffuser tube through the regenerator, and the diffuser tube and the heated medium channel are connected with the diffuser tube.
  • External communication; the low temperature heat exchanger and the low temperature heat medium channel are connected to the outside, and the expansion speed increaser is connected to the compressor and transmits power to form a new type of heat recovery mechanical compression heat pump.
  • the new type of regenerative mechanical compression heat pump is mainly composed of a compressor, a nozzle, a diffuser, a low-temperature heat exchanger and a regenerator; externally, there is a heated medium channel that communicates with the nozzle through the regenerator.
  • a heated medium channel communicated with the compressor through a low temperature heat exchanger the compressor also has a heated medium channel communicated with a diffuser tube through a regenerator, the diffuser tube and a heated medium channel communicated with the outside, and the low temperature heat exchange
  • the new type of regenerative mechanical compression heat pump is mainly composed of a compressor, an expander, a low temperature heat exchanger and a regenerator; the external heating medium channel is connected to the expander through the regenerator, and the expander has a heated medium.
  • the channel communicates with the compressor through the low temperature heat exchanger, the compressor and the heated medium channel communicate with itself through the regenerator, and the compressor is also heated
  • the medium channel is communicated with the outside; the low-temperature heat exchanger and the low-temperature heat medium channel are communicated with the outside, and the expander is connected to the compressor and transmits power to form a new type of regenerative mechanical compression heat pump.
  • the new type of regenerative mechanical compression heat pump is mainly composed of a compressor, an expander, a heater and a regenerator; a low-temperature heat medium channel is connected to the compressor outside, and the compressor and a low-temperature heat medium channel are recuperated
  • the compressor communicates with itself, the compressor and the low-temperature heat medium channel communicate with the expander through the heater and the regenerator, and the expander also has a low-temperature heat medium channel communicated with the outside; the heater also has a heated medium channel communicated with the outside ,
  • the expander is connected to the compressor and transmits power to form a new type of heat recovery mechanical compression heat pump.
  • 1/13 is a schematic flow diagram of a regenerative thermodynamic cycle provided according to the present invention.
  • Figure 2/13 is the first principle thermal system diagram of the novel regenerative mechanical compression heat pump provided according to the present invention.
  • Fig. 3/13 is a second principle thermal system diagram of the novel regenerative mechanical compression heat pump provided according to the present invention.
  • Fig. 4/13 is a diagram of the third principle thermal system of the novel regenerative mechanical compression heat pump provided according to the present invention.
  • Figure 5/13 is the fourth principle thermal system diagram of the novel regenerative mechanical compression heat pump provided according to the present invention.
  • Fig. 6/13 is the fifth principle thermal system diagram of the novel regenerative mechanical compression heat pump provided according to the present invention.
  • FIG. 7/13 is the sixth principle thermal system diagram of the novel regenerative mechanical compression heat pump provided according to the present invention.
  • Fig. 8/13 is the seventh principle thermal system diagram of the novel regenerative mechanical compression heat pump provided according to the present invention.
  • Fig. 9/13 is the eighth principle thermal system diagram of the novel regenerative mechanical compression heat pump provided according to the present invention.
  • Fig. 10/13 is the ninth principle thermal system diagram of the novel regenerative mechanical compression heat pump provided according to the present invention.
  • Fig. 11/13 is the tenth principle thermal system diagram of the novel regenerative mechanical compression heat pump provided according to the present invention.
  • Fig. 12/13 is an eleventh principle thermal system diagram of the novel regenerative mechanical compression heat pump provided according to the present invention.
  • FIG. 13/13 is a twelfth principle thermal system diagram of the novel regenerative mechanical compression heat pump provided according to the present invention.
  • DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS First of all, it should be noted that in the description of the structure and the process, it will not be repeated unless it is necessary; the obvious process will not be described.
  • the present invention will be described in detail below with reference to the accompanying drawings and examples.
  • the example of a regenerative thermodynamic cycle in the T-s diagram shown in Fig. 1/13 proceeds like this:
  • the exothermic process the circulating working medium performs the exothermic heat of the 56 process and is released to the high-temperature heat source; the circulating working medium performs the exothermic process of the 67 process, which is used to meet the endothermic demand of the 34 process.
  • the device 6 is communicated with the expansion speed-up machine 2, the expansion speed-up machine 2 and the circulating working medium channel are communicated with the diffuser pipe 3 through the low temperature heat exchanger 5, and the diffuser tube 3 and the circulating working medium channel are connected with the regenerator 6 through the regenerator 6.
  • the compressor 1 communicates with the outside; the heater 4 and the heated medium channel communicate with the outside, the low-temperature heat exchanger 5 also has a low-temperature heat medium channel for communication with the outside, and the expansion speed-up machine 2 is connected to the compressor 1 and transmits power.
  • the circulating working medium discharged from the compressor 1 flows through the heater 4 and the regenerator 6 to gradually release heat and cool down, and flows through the expansion and speed-up machine 2 to depressurize and increase the speed, and flows through the low-temperature heat exchanger. 5. Endothermic temperature rises, flows through the diffuser tube 3 to reduce speed and pressurize, flows through the regenerator 6 to absorb heat to warm up, and then enters the compressor 1 to increase pressure and temperature; The medium provides low temperature heat load through the low temperature heat exchanger 5, and the expansion speed up machine 2 and the outside provide power to the compressor 1, forming a new type of recuperative mechanical compression heat pump.
  • the new regenerative mechanical compression heat pump shown in Fig. 3/13 is implemented as follows:
  • the heater 6 is communicated with the expansion speed-up machine 2, and the expansion speed-up machine 2 and the circulating working medium channel are communicated with the dual-energy compressor 7 through the low-temperature heat exchanger 5, and the dual-energy compressor 7 and the circulating working medium channel are reheated.
  • the heater 6 communicates with the compressor 1; the heater 4 also has a heated medium channel that communicates with the outside; the low-temperature heat exchanger 5 also has a low-temperature heat medium channel that communicates with the outside; machine 7 and transmit power.
  • the circulating working medium discharged from the compressor 1 flows through the heater 4 and the regenerator 6 to gradually release heat and cool down, and flows through the expansion and speed-up machine 2 to depressurize and increase the speed, and flows through the low-temperature heat exchanger. 5.
  • Endothermic temperature rises flows through dual-energy compressor 7 to increase pressure and temperature, and decelerates, flows through regenerator 6 to absorb heat to rise, and then enters compressor 1 to increase pressure and temperature; the heated medium obtains high-temperature heat load through heater 4 , the low-temperature heat medium provides low-temperature heat load through the low-temperature heat exchanger 5, and the expansion speed-up machine 2 and the outside provide power to the compressor 1 and the dual-energy compressor 7, forming a new type of regenerative mechanical compression heat pump.
  • the new regenerative mechanical compression heat pump shown in Fig. 4/13 is implemented as follows:
  • the compressor 1 has a circulating working medium channel through the heater 4 and the regenerator 6 Connected with the nozzle 8, the nozzle 8 and the circulating working medium channel are communicated with the diffuser tube 3 through the low temperature heat exchanger 5, and the diffuser tube 3 and the circulating working medium channel are communicated with the compressor 1 through the regenerator 6;
  • the heater 4 also has a heated medium passage that communicates with the outside
  • the low-temperature heat exchanger 5 also has a low-temperature heat medium passage that communicates with the outside.
  • the circulating working medium discharged from the compressor 1 flows through the heater 4 and the regenerator 6 to gradually release heat and cool down, flows through the nozzle 8 to reduce pressure and increase speed, and flows through the low-temperature heat exchanger 5 to absorb heat and raise the temperature. It flows through the diffuser 3 to decelerate and pressurize, flows through the regenerator 6 to absorb heat and heat up, and then enters the compressor 1 to increase the pressure and temperature;
  • the compressor 5 provides low-temperature heat load, and externally provides power to the compressor 1 to form a new type of recuperative mechanical compression heat pump.
  • the new regenerative mechanical compression heat pump shown in Figure 5/13 is implemented as follows:
  • the dual-energy compressor 7 has a circulating working medium channel that communicates with the nozzle 8 through the heater 4 and the regenerator 6, and the nozzle 8 also has a circulating working medium channel that communicates with the diffuser 3 through the low-temperature heat exchanger 5.
  • the diffuser tube 3 also has a circulating working medium channel that communicates with the dual-energy compressor 7 via the regenerator 6; Connected.
  • the circulating working medium discharged from the dual-energy compressor 7 flows through the heater 4 and the regenerator 6 to gradually release heat and cool down, flow through the nozzle 8 to reduce pressure and increase speed, and flow through the low-temperature heat exchanger 5 to absorb heat.
  • the temperature rises flows through the diffuser 3 to reduce the speed and pressurize, flows through the regenerator 6 to absorb heat and heat up, and then enters the dual-energy compressor 7 to raise the pressure and reduce the speed; the heated medium obtains a high temperature heat load through the heater 4,
  • the low-temperature heat medium provides low-temperature heat load through the low-temperature heat exchanger 5, and provides power to the dual-energy compressor 7 from the outside to form a new type of recuperative mechanical compression heat pump.
  • the new regenerative mechanical compression heat pump shown in Fig. 6/13 is implemented as follows:
  • the circulating working medium discharged from the dual-energy compressor 7 flows through the heater 4 and the regenerator 6 to gradually release heat and cool down, and flows through the expansion and speed-up machine 2 to depressurize and increase the speed, and flows through the low-temperature heat.
  • the circulating working medium discharged from the dual-energy compressor 7 flows through the heater 4 and the regenerator 6 to gradually release heat and cool down, and flows through the expansion and speed-up machine 2 to depressurize and increase the speed, and flows through the low-temperature heat.
  • the exchanger 5 absorbs heat to increase the temperature, flows through the compressor 1 to increase the pressure, and flows through the regenerator 6 to absorb heat to increase the temperature, and then enters the dual-energy compressor 7 to increase the pressure and decrease the speed; the heated medium passes through the heater 4 to obtain high temperature Heat load, low temperature heat medium provides low temperature heat load through low temperature heat exchanger 5, expansion speed up machine 2 and external provide power to compressor 1 and dual energy compressor 7, forming a new type of recuperative mechanical compression heat pump.
  • the new regenerative mechanical compression heat pump shown in Fig. 8/13 is implemented as follows:
  • the circulating working medium discharged from the compressor 1 flows through the heater 4 and the regenerator 6 to gradually release heat and cool down, flows through the expander 9 to depressurize and perform work, and flows through the low-temperature heat exchanger 5 to absorb heat and raise the temperature.
  • the compressor 1 After entering the compressor 1 to increase the pressure and temperature to a certain level, it flows through the regenerator 6 to absorb heat and increase the temperature, and then enters the compressor 1 to continue to increase the pressure and increase the temperature and discharge to the heater 4;
  • the low-temperature heat medium provides low-temperature heat load through the low-temperature heat exchanger 5, and the expander 9 and the outside provide power to the compressor 1, forming a new type of recuperative mechanical compression heat pump.
  • the new regenerative mechanical compression heat pump shown in Figure 11/13 is implemented as follows:
  • the speed-increasing gear 2 and the heated medium channel are communicated with the diffuser pipe 3 through the low-temperature heat exchanger 5, and the diffuser tube 3 and the heated medium channel are communicated with the compressor 1 through the regenerator 6, and the compressor 1 also has a
  • the heating medium channel is communicated with the outside; the low-temperature heat exchanger 5 and the low-temperature heat medium channel are communicated with the outside, and the expansion and speed-up machine 2 is connected to the compressor 1 and transmits power.
  • the external heated medium flows through the regenerator 6 to release heat and cool down, flows through the expansion and speed-up machine 2 to depressurize and increase the speed, and flows through the low-temperature heat exchanger 5 to absorb heat and raise the temperature, and flows through the diffuser pipe 3.
  • the speed is reduced and the pressure is increased, flows through the regenerator 6 to absorb heat and heat up, flows through the compressor 1 to increase the pressure and temperature, and then discharges to the outside;
  • the heat load, the expansion speed-up machine 2 and the outside provide power to the compressor 1, forming a new type of recuperative mechanical compression heat pump.
  • the new regenerative mechanical compression heat pump shown in Figure 12/13 is implemented as follows:
  • Regenerative thermodynamic cycle in line with thermodynamic principles; flexible regenerative parameters (such as pressure), and adjustable regenerative amplitude.
  • the regenerative thermodynamic cycle can effectively reduce the cycle compression ratio, and provide the basic working principle for improving the circulating working medium flow and selecting a large flow compressor.
  • the new type of regenerative mechanical compression heat pump can effectively realize deep cooling or high temperature heating, and realize and expand the rational use of energy.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

一种回热式热力循环与新型回热机械压缩式热泵，属于热力学与热泵技术领域。回热式热力循环，是指一定质量的循环工质依序进行的七个过程——自低温热源吸热过程12，升压过程23，自循环工质吸热过程34，升压过程45，向高温热源放热过程56，向循环工质放热过程67，降压过程71——组成的闭合过程；基于回热式热力循环，构建相应的新型回热机械压缩式热泵。

Description

回热式热力循环与新型回热机械压缩式热泵 技术领域： 本发明属于热力学与热动技术领域。 背景技术： 冷 需求、 热需求和动力需求， 为人类生活与生产当中所常见。 以气体为循环工质， 基 于布雷顿逆向循环的机械压缩式热泵， 是实现制冷和高效制热的重要手段； 其中， 常采用 回热琴术措施以实现深度制冷或降低循环压缩比。 不过， 在传统的回热式机械压缩式热泵 中， 套回热过程的吸热侧相对固定， 这使得回热参数不够灵活， 许多情况下难以保证性能 指数的合理化或温差损失最小化。 本发 明提供了一种回热参数灵活、 适应多种不同工况和性能指数合理化的回热式热力 循环； 基于新的回热式热力循环， 本发明给出了多种具体的新型回热机械压缩式热泵。 发明内容： 本发 明主要目的是要提供回热式热力循环与新型回热机械压缩式热泵， 具体发明内容 分项阐述如下：
1. 回热式热力循环， 是指由一定质量的循环工质依序进行的七个过程 —自低温热源 吸热过程 12, 升压过程 23, 自循环工质吸热过程 34, 升压过程 45, 向高温热源放热过程 56, 向循环工质放热过程 67, 降压过程 71 —一组成的闭合过程； 其中， 过程 67的放热满 足过程 34的吸热。
2. 新型回热机械压缩式热泵， 主要由压缩机、 膨胀增速机、 扩压管、 供热器、 低温热 交换器和回热器所组成； 压缩机有循环工质通道经供热器和回热器与膨胀增速机连通， 膨 胀增速机还有循环工质通道经低温热交换器与扩压管连通， 扩压管还有循环工质通道经回 热器与压缩机连通； 供热器还有被加热介质通道与外部连通， 低温热交换器还有低温热介 质通道与外部连通， 膨胀增速机连接压缩机并传输动力， 形成新型回热机械压缩式热泵。
3. 新型回热机械压缩式热泵， 主要由压缩机、 膨胀增速机、 双能压缩机、 供热器、 低 温热交换器和回热器所组成； 压缩机有循环工质通道经供热器和回热器与膨胀增速机连通 , 膨胀增速机还有循环工质通道经低温热交换器与双能压缩机连通， 双能压缩机还有循环工 质通道经回热器与压缩机连通； 供热器还有被加热介质通道与外部连通， 低温热交换器还 有低温热介质通道与外部连通， 膨胀增速机连接压缩机和双能压缩机并传输动力， 形成新 型回热机械压缩式热泵。
4. 新型回热机械压缩式热泵， 主要由压缩机、 喷管、 扩压管、 供热器、 低温热交换器 和回热器所组成； 压缩机有循环工质通道经供热器和回热器与喷管连通， 喷管还有循环工 质通道经低温热交换器与扩压管连通， 扩压管还有循环工质通道经回热器与压缩机连通； 供热器还有被加热介质通道与外部连通， 低温热交换器还有低温热介质通道与外部连通， 形成新型回热机械压缩式热泵。
5. 新型回热机械压缩式热泵， 主要由双能压缩机、 喷管、 扩压管、 供热器、 低温热交 换器和回热器所组成； 双能压缩机有循环工质通道经供热器和回热器与喷管连通， 喷管还 有循环工质通道经低温热交换器与扩压管连通， 扩压管还有循环工质通道经回热器与双能 压缩机连通； 供热器还有被加热介质通道与外部连通， 低温热交换器还有低温热介质通道 与外部连通， 形成新型回热机械压缩式热泵。
6. 新型回热机械压缩式热泵， 主要由双能压缩机、 膨胀增速机、 扩压管、 供热器、 低 温热交换器和回热器所组成； 双能压缩机有循环工质通道经供热器和回热器与膨胀增速机 连通， 膨胀增速机还有循环工质通道经低温热交换器与扩压管连通， 扩压管还有循环工质 通道经回热器与双能压缩机连通； 供热器还有被加热介质通道与外部连通， 低温热交换器 还有低温热介质通道与外部连通， 膨胀增速机连接双能压缩机并传输动力， 形成新型回热 机械压缩式热泵。
7. 新型回热机械压缩式热泵， 主要由压缩机、 膨胀增速机、 双能压缩机、 供热器、 低 温热交换器和回热器所组成； 双能压缩机有循环工质通道经供热器和回热器与膨胀增速机 连通， 膨胀增速机还有循环工质通道经低温热交换器与压缩机连通， 压缩机还有循环工质 通道经回热器与双能压缩机连通； 供热器还有被加热介质通道与外部连通， 低温热交换器 还有低温热介质通道与外部连通， 膨胀增速机连接压缩机和双能压缩机并传输动力， 形成 新型回热机械压缩式热泵。
8. 新型回热机械压缩式热泵， 主要由压缩机、 膨胀增速机、 扩压管、 供热器、 低温热 交换器和回热器所组成； 扩压管有循环工质通道经供热器和回热器与膨胀增速机连通， 膨 胀增速机还有循环工质通道经低温热交换器与压缩机连通， 压缩机还有循环工质通道经回 热器与扩压管连通； 供热器还有被加热介质通道与外部连通， 低温热交换器还有低温热介 质通道与外部连通， 膨胀增速机连接压缩机并传输动力， 形成新型回热机械压缩式热泵。
9. 新型回热机械压缩式热泵， 主要由压缩机、 喷管、 扩压管、 供热器、 低温热交换器 和回热器所组成； 扩压管有循环工质通道经供热器和回热器与喷管连通， 喷管还有循环工 质通道经低温热交换器与压缩机连通， 压缩机还有循环工质通道经回热器与扩压管连通； 供热器还有被加热介质通道与外部连通， 低温热交换器还有低温热介质通道与外部连通， 形成新型回热机械压缩式热泵。
10. 新型回热机械压缩式热泵， 主要由压缩机、 膨胀机、 供热器、 低温热交换器和回 热器所组成； 膨胀机有循环工质通道经低温热交换器与压缩机连通， 压缩机还有循环工质 通道经回热器与自身连通， 压缩机还有循环工质通道经供热器和回热器与膨胀机连通； 供 热器还有被加热介质通道与外部连通， 低温热交换器还有低温热介质通道与外部连通， 膨 胀机连接压缩机并传输动力， 形成新型回热机械压缩式热泵。
11. 新型回热机械压缩式热泵， 主要由压缩机、 膨胀增速机、 扩压管、 低温热交换器 和回热器所组成； 外部有被加热介质通道经回热器与膨胀增速机连通， 膨胀增速机还有被 加热介质通道经低温热交换器与扩压管连通， 扩压管还有被加热介质通道经回热器与压缩 机连通， 压缩机还有被加热介质通道与外部连通； 低温热交换器还有低温热介质通道与外 部连通， 膨胀增速机连接压缩机并传输动力， 形成新型回热机械压缩式热泵。
12. 新型回热机械压缩式热泵， 主要由压缩机、 膨胀增速机、 双能压缩机、 低温热交 换器和回热器所组成； 外部有被加热介质通道经回热器与膨胀增速机连通， 膨胀增速机还 有被加热介质通道经低温热交换器与双能压缩机连通， 双能压缩机还有被加热介质通道经 回热器与压缩机连通， 压缩机还有被加热介质通道与外部连通； 低温热交换器还有低温热 介质通道与外部连通， 膨胀增速机连接压缩机和双能压缩机并传输动力， 形成新型回热机 械压缩式热泵。
13. 新型回热机械压缩式热泵， 主要由压缩机、 喷管、 扩压管、 低温热交换器和回热 器所组成； 外部有被加热介质通道经回热器与喷管连通， 喷管还有被加热介质通道经低温 热交换器与扩压管连通， 扩压管还有被加热介质通道经回热器与压缩机连通， 压缩机还有 被加热介质通道与外部连通； 低温热交换器还有低温热介质通道与外部连通， 形成新型回 热机械压缩式热泵。
14. 新型回热机械压缩式热泵， 主要由双能压缩机、 喷管、 扩压管、 低温热交换器和 回热器所组成； 外部有被加热介质通道经回热器与喷管连通， 喷管还有被加热介质通道经 低温热交换器与扩压管连通， 扩压管还有被加热介质通道经回热器与双能压缩机连通， 双 能压缩机还有被加热介质通道与外部连通； 低温热交换器还有低温热介质通道与外部连通, 形成新型回热机械压缩式热泵。
15. 新型回热机械压缩式热泵， 主要由压缩机、 膨胀增速机、 双能压缩机、 低温热交 换器和回热器所组成； 外部有被加热介质通道经回热器与膨胀增速机连通， 膨胀增速机还 有被加热介质通道经低温热交换器与压缩机连通， 压缩机还有被加热介质通道经回热器与 双能压缩机连通， 双能压缩机还有被加热介质通道与外部连通； 低温热交换器还有低温热 介质通道与外部连通， 膨胀增速机连接压缩机和双能压缩机并传输动力， 形成新型回热机 械压缩式热泵。
16. 新型回热机械压缩式热泵， 主要由压缩机、 膨胀增速机、 扩压管、 低温热交换器 和回热器所组成； 外部有被加热介质通道经回热器与膨胀增速机连通， 膨胀增速机还有被 加热介质通道经低温热交换器与压缩机连通， 压缩机还有被加热介质通道经回热器与扩压 管连通， 扩压管还有被加热介质通道与外部连通； 低温热交换器还有低温热介质通道与外 部连通， 膨胀增速机连接压缩机并传输动力， 形成新型回热机械压缩式热泵。
17. 新型回热机械压缩式热泵， 主要由压缩机、 喷管、 扩压管、 低温热交换器和回热 器所组成； 外部有被加热介质通道经回热器与喷管连通， 喷管还有被加热介质通道经低温 热交换器与压缩机连通， 压缩机还有被加热介质通道经回热器与扩压管连通， 扩压管还有 被加热介质通道与外部连通， 低温热交换器还有低温热介质通道与外部连通， 形成新型回 热机械压缩式热泵。
18. 新型回热机械压缩式热泵， 主要由双能压缩机、 膨胀增速机、 扩压管、 低温热交 换器和回热器所组成； 外部有被加热介质通道经回热器与膨胀增速机连通， 膨胀增速机还 有被加热介质通道经低温热交换器与扩压管连通， 扩压管还有被加热介质通道经回热器与 双能压缩机连通， 双能压缩机还有被加热介质通道与外部连通； 低温热交换器还有低温热 介质通道与外部连通， 膨胀增速机连接双能压缩机并传输动力， 形成新型回热机械压缩式 热泵。
19. 新型回热机械压缩式热泵， 主要由压缩机、 膨胀机、 低温热交换器和回热器所组 成； 外部有被加热介质通道经回热器与膨胀机连通， 膨胀机有被加热介质通道经低温热交 换器与压缩机连通， 压缩机还有被加热介质通道经回热器与自身连通， 压缩机还有被加热 介质通道与外部连通； 低温热交换器还有低温热介质通道与外部连通， 膨胀机连接压缩机 并传输动力， 形成新型回热机械压缩式热泵。
20. 新型回热机械压缩式热泵， 主要由压缩机、 膨胀机、 供热器和回热器所组成； 外 部有低温热介质通道与压缩机连通， 压缩机还有低温热介质通道经回热器与自身连通， 压 缩机还有低温热介质通道经供热器和回热器与膨胀机连通， 膨胀机还有低温热介质通道与 外部连通； 供热器还有被加热介质通道与外部连通， 膨胀机连接压缩机并传输动力， 形成 新型回热机械压缩式热泵。 附图说明： 图 1/13是依据本发明所提供的回热式热力循环原则性流程示例图。 图 2/13是依据本发明所提供的新型回热机械压缩式热泵第 1种原则性热力系统图。 图 3/13是依据本发明所提供的新型回热机械压缩式热泵第 2种原则性热力系统图。 图 4/13是依据本发明所提供的新型回热机械压缩式热泵第 3种原则性热力系统图。 图 5/13是依据本发明所提供的新型回热机械压缩式热泵第 4种原则性热力系统图。 图 6/13是依据本发明所提供的新型回热机械压缩式热泵第 5种原则性热力系统图。 图 7/13是依据本发明所提供的新型回热机械压缩式热泵第 6种原则性热力系统图。 图 8/13是依据本发明所提供的新型回热机械压缩式热泵第 7种原则性热力系统图。 图 9/13是依据本发明所提供的新型回热机械压缩式热泵第 8种原则性热力系统图。 图 10/13是依据本发明所提供的新型回热机械压缩式热泵第 9种原则性热力系统图。 图 11/13是依据本发明所提供的新型回热机械压缩式热泵第 10种原则性热力系统图。 图 12/13是依据本发明所提供的新型回热机械压缩式热泵第 11种原则性热力系统图。 图 13/13是依据本发明所提供的新型回热机械压缩式热泵第 12种原则性热力系统图。 图中， 1 -压缩机， 2 -膨胀增速机， 3 -扩压管， 4 -供热器， 5 -低温热交换器， 6 -回热器， 7 -双能压缩机， 8 -喷管， 9 -膨胀机。 具体实施方式： 首先要说 明的是， 在结构和流程的表述上， 非必要情况下不重复进行； 对显而易见的 流程不作表述。 下面结合附图和实例来详细描述本发明。 图 1/13所示 T-s图中的回热式热力循环示例是这样进行的：
⑴从循环过程上看： 循环工质进行一一 自低温热源吸热升温过程 12, 绝热升压升温过程 23, 自循环工质吸 热升温过程 34, 绝热升压升温过程 45, 向高温热源放热降温过程 56, 向过程 34进行放热 的回热降温过程 67, 绝热降压膨胀过程 71 — —共 7个过程。
⑵从能量转换上看：
①吸热过程一一循环工质进行 12过程需要的热量， 由低温热源提供；循环工质进行 34 过程需要的热量， 由 67放热过程来满足一一回热。
②放热过程一一循环工质进行 56过程的放热， 向高温热源释放； 循环工质进行 67过 程的放热， 用于满足 34过程的吸热需求。
③能量转换过程一一循环工质的升压过程 23, 一般由压缩机或双能压缩机或扩压管来 完成； 循环工质的升压过 45, 一般由压缩机或双能压缩机或扩压管来完成； 循环工质的降 压膨胀过程 71, 一般由膨胀机或膨胀增速机或喷管来完成； 膨胀释放机械能小于升压消耗 机械能， 外部机械能提供给压缩机或双能压缩机完成回热式热力循环。 图 2/13所示的新型回热机械压缩式热泵是这样实现的：
⑴结构上 ， 它主要由压缩机、 膨胀增速机、 扩压管、 供热器、 低温热交换器和回热器 所组成； 压缩机 1有循环工质通道经供热器 4和回热器 6与膨胀增速机 2连通， 膨胀增速 机 2还有循环工质通道经低温热交换器 5与扩压管 3连通， 扩压管 3还有循环工质通道经 回热器 6与压缩机 1连通； 供热器 4还有被加热介质通道与外部连通， 低温热交换器 5还 有低温热介质通道与外部连通， 膨胀增速机 2连接压缩机 1并传输动力。
⑵流程上 ， 压缩机 1排放的循环工质流经供热器 4和回热器 6逐步放热并降温， 流经 膨胀增速机 2降压作功并增速， 流经低温热交换器 5吸热升温， 流经扩压管 3降速增压， 流经回热器 6吸热升温， 之后进入压缩机 1升压升温； 被加热介质通过供热器 4获得高温 热负荷，低温热介质通过低温热交换器 5提供低温热负荷，膨胀增速机 2和外部向压缩机 1 提供动力， 形成新型回热机械压缩式热泵。 图 3/13所示的新型回热机械压缩式热泵是这样实现的：
⑴结构上 ， 它主要由压缩机、 膨胀增速机、 双能压缩机、 供热器、 低温热交换器和回 热器所组成； 压缩机 1有循环工质通道经供热器 4和回热器 6与膨胀增速机 2连通， 膨胀 增速机 2还有循环工质通道经低温热交换器 5与双能压缩机 7连通， 双能压缩机 7还有循 环工质通道经回热器 6与压缩机 1连通； 供热器 4还有被加热介质通道与外部连通， 低温 热交换器 5还有低温热介质通道与外部连通， 膨胀增速机 2连接压缩机 1和双能压缩机 7 并传输动力。
⑵流程上 ， 压缩机 1排放的循环工质流经供热器 4和回热器 6逐步放热并降温， 流经 膨胀增速机 2降压作功并增速， 流经低温热交换器 5吸热升温， 流经双能压缩机 7升压升 温并降速， 流经回热器 6吸热升温， 之后进入压缩机 1升压升温； 被加热介质通过供热器 4 获得高温热负荷， 低温热介质通过低温热交换器 5提供低温热负荷， 膨胀增速机 2和外部 向压缩机 1和双能压缩机 7提供动力， 形成新型回热机械压缩式热泵。 图 4/13所示的新型回热机械压缩式热泵是这样实现的：
⑴结构上 ， 它主要由压缩机、 喷管、 扩压管、 供热器、 低温热交换器和回热器所组成; 压缩机 1有循环工质通道经供热器 4和回热器 6与喷管 8连通， 喷管 8还有循环工质通道 经低温热交换器 5与扩压管 3连通， 扩压管 3还有循环工质通道经回热器 6与压缩机 1连 通； 供热器 4还有被加热介质通道与外部连通， 低温热交换器 5还有低温热介质通道与外 部连通。
⑵流程上 ， 压缩机 1排放的循环工质流经供热器 4和回热器 6逐步放热并降温， 流经 喷管 8降压增速， 流经低温热交换器 5吸热升温， 流经扩压管 3降速增压， 流经回热器 6 吸热升温， 之后进入压缩机 1升压升温； 被加热介质通过供热器 4获得高温热负荷， 低温 热介质通过低温热交换器 5提供低温热负荷， 外部向压缩机 1提供动力， 形成新型回热机 械压缩式热泵。 图 5/13所示的新型回热机械压缩式热泵是这样实现的：
⑴结构上 ， 它主要由双能压缩机、 喷管、 扩压管、 供热器、 低温热交换器和回热器所 组成； 双能压缩机 7有循环工质通道经供热器 4和回热器 6与喷管 8连通， 喷管 8还有循 环工质通道经低温热交换器 5与扩压管 3连通， 扩压管 3还有循环工质通道经回热器 6与 双能压缩机 7连通； 供热器 4还有被加热介质通道与外部连通， 低温热交换器 5还有低温 热介质通道与外部连通。
⑵流程上， 双能压缩机 7排放的循环工质流经供热器 4和回热器 6逐步放热并降温， 流经喷管 8降压增速， 流经低温热交换器 5吸热升温， 流经扩压管 3降速增压， 流经回热 器 6吸热升温， 之后进入双能压缩机 7升压升温并降速； 被加热介质通过供热器 4获得高 温热负荷， 低温热介质通过低温热交换器 5提供低温热负荷， 外部向双能压缩机 7提供动 力， 形成新型回热机械压缩式热泵。 图 6/13所示的新型回热机械压缩式热泵是这样实现的：
⑴结构上 ， 它主要由双能压缩机、 膨胀增速机、 扩压管、 供热器、 低温热交换器和回 热器所组成； 双能压缩机 7有循环工质通道经供热器 4和回热器 6与膨胀增速机 2连通， 膨胀增速机 2还有循环工质通道经低温热交换器 5与扩压管 3连通， 扩压管 3还有循环工 质通道经回热器 6与双能压缩机 7连通； 供热器 4还有被加热介质通道与外部连通， 低温 热交换器 5还有低温热介质通道与外部连通， 膨胀增速机 2连接双能压缩机 7并传输动力。
⑵流程上， 双能压缩机 7排放的循环工质流经供热器 4和回热器 6逐步放热并降温， 流经膨胀增速机 2降压作功并增速， 流经低温热交换器 5吸热升温， 流经扩压管 3降速增 压， 流经回热器 6吸热升温， 之后进入双能压缩机 7升压升温并降速； 被加热介质通过供 热器 4获得高温热负荷， 低温热介质通过低温热交换器 5提供低温热负荷， 膨胀增速机 2 和外部向双能压缩机 7提供动力， 形成新型回热机械压缩式热泵。 图 7/13所示的新型回热机械压缩式热泵是这样实现的：
⑴结构上 ， 它主要由压缩机、 膨胀增速机、 双能压缩机、 供热器、 低温热交换器和回 热器所组成； 双能压缩机 7有循环工质通道经供热器 4和回热器 6与膨胀增速机 2连通， 膨胀增速机 2还有循环工质通道经低温热交换器 5与压缩机 1连通， 压缩机 1还有循环工 质通道经回热器 6与双能压缩机 7连通； 供热器 4还有被加热介质通道与外部连通， 低温 热交换器 5还有低温热介质通道与外部连通， 膨胀增速机 2连接压缩机 1和双能压缩机 7 并传输动力。
⑵流程上 ， 双能压缩机 7排放的循环工质流经供热器 4和回热器 6逐步放热并降温， 流经膨胀增速机 2降压作功并增速， 流经低温热交换器 5吸热升温， 流经压缩机 1升压升 温， 流经回热器 6吸热升温， 之后进入双能压缩机 7升压升温并降速； 被加热介质通过供 热器 4获得高温热负荷， 低温热介质通过低温热交换器 5提供低温热负荷， 膨胀增速机 2 和外部向压缩机 1和双能压缩机 7提供动力， 形成新型回热机械压缩式热泵。 图 8/13所示的新型回热机械压缩式热泵是这样实现的：
⑴结构上 ， 它主要由压缩机、 膨胀增速机、 扩压管、 供热器、 低温热交换器和回热器 所组成； 扩压管 3有循环工质通道经供热器 4和回热器 6与膨胀增速机 2连通， 膨胀增速 机 2还有循环工质通道经低温热交换器 5与压缩机 1连通， 压缩机 1还有循环工质通道经 回热器 6与扩压管 3连通； 供热器 4还有被加热介质通道与外部连通， 低温热交换器 5还 有低温热介质通道与外部连通， 膨胀增速机 2连接压缩机 1并传输动力。 ⑵流程上， 扩压管 3排放的循环工质流经供热器 4和回热器 6逐步放热并降温， 流经 膨胀增速机 2降压作功并增速， 流经低温热交换器 5吸热升温， 流经压缩机 1升压升温， 流经回热器 6吸热升温， 之后进入扩压管 3降速升压； 被加热介质通过供热器 4获得高温 热负荷，低温热介质通过低温热交换器 5提供低温热负荷，膨胀增速机 2和外部向压缩机 1 提供动力， 形成新型回热机械压缩式热泵。 图 9/13所示的新型回热机械压缩式热泵是这样实现的：
⑴结构上， 它主要由压缩机、 喷管、 扩压管、 供热器、 低温热交换器和回热器所组成; 扩压管 3有循环工质通道经供热器 4和回热器 6与喷管 8连通， 喷管 8还有循环工质通道 经低温热交换器 5与压缩机 1连通， 压缩机 1还有循环工质通道经回热器 6与扩压管 3连 通； 供热器 4还有被加热介质通道与外部连通， 低温热交换器 5还有低温热介质通道与外 部连通。
⑵流程上 ， 扩压管 3排放的循环工质流经供热器 4和回热器 6逐步放热并降温， 流经 喷管 8降压增速， 流经低温热交换器 5吸热升温， 流经压缩机 1升压升温， 流经回热器 6 吸热升温， 之后进入扩压管 3降速升压； 被加热介质通过供热器 4获得高温热负荷， 低温 热介质通过低温热交换器 5提供低温热负荷， 外部向压缩机 1提供动力， 形成新型回热机 械压缩式热泵。 图 10/13所示的新型回热机械压缩式热泵是这样实现的：
⑴结构上 ， 它主要由压缩机、 膨胀机、 供热器、 低温热交换器和回热器所组成； 膨胀 机 9有循环工质通道经低温热交换器 5与压缩机 1连通， 压缩机 1还有循环工质通道经回 热器 6与自身连通， 压缩机 1还有循环工质通道经供热器 4和回热器 6与膨胀机 9连通； 供热器 4还有被加热介质通道与外部连通， 低温热交换器 5还有低温热介质通道与外部连 通， 膨胀机 9连接压缩机 1并传输动力。
⑵流程上 ， 压缩机 1排放的循环工质流经供热器 4和回热器 6逐步放热并降温， 流经 膨胀机 9降压作功， 流经低温热交换器 5吸热升温， 进入压缩机 1升压升温至一定程度之 后流经回热器 6吸热升温， 之后进入压缩机 1继续升压升温并向供热器 4排放； 被加热介 质通过供热器 4获得高温热负荷， 低温热介质通过低温热交换器 5提供低温热负荷， 膨胀 机 9和外部向压缩机 1提供动力， 形成新型回热机械压缩式热泵。 图 11/13所示的新型回热机械压缩式热泵是这样实现的：
⑴结构上 ， 它主要由压缩机、 膨胀增速机、 扩压管、 低温热交换器和回热器所组成； 外部有被加热介质通道经回热器 6与膨胀增速机 2连通， 膨胀增速机 2还有被加热介质通 道经低温热交换器 5与扩压管 3连通，扩压管 3还有被加热介质通道经回热器 6与压缩机 1 连通， 压缩机 1还有被加热介质通道与外部连通； 低温热交换器 5还有低温热介质通道与 外部连通， 膨胀增速机 2连接压缩机 1并传输动力。
⑵流程上 ， 外部被加热介质流经回热器 6放热降温， 流经膨胀增速机 2降压作功并增 速， 流经低温热交换器 5吸热升温， 流经扩压管 3降速升压， 流经回热器 6吸热升温， 流 经压缩机 1 升压升温， 之后对外排放； 被加热介质通过进出流程获得高温热负荷， 低温热 介质通过低温热交换器 5提供低温热负荷，膨胀增速机 2和外部向压缩机 1提供动力，形成 新型回热机械压缩式热泵。 图 12/13所示的新型回热机械压缩式热泵是这样实现的：
⑴结构上 ， 它主要由压缩机、 膨胀机、 低温热交换器和回热器所组成； 外部有被加热 介质通道经回热器 6与膨胀机 9连通， 膨胀机 9有被加热介质通道经低温热交换器 5与压 缩机 1连通， 压缩机 1还有被加热介质通道经回热器 6与自身连通， 压缩机 1还有被加热 介质通道与外部连通； 低温热交换器 5还有低温热介质通道与外部连通， 膨胀机 9连接压 缩机 1并传输动力。
⑵流程上 ， 外部被加热介质流经回热器 6逐步放热并降温， 流经膨胀机 9降压作功， 流经低温热交换器 5吸热升温， 进入压缩机 1升压升温至一定程度之后流经回热器 6吸热 升温， 之后进入压缩机 1 继续升压升温并对外排放； 被加热介质通过进出流程获得高温热 负荷， 低温热介质通过低温热交换器 5提供低温热负荷， 膨胀机 9和外部向压缩机 1提供 动力， 形成新型回热机械压缩式热泵。 图 13/13所示的新型回热机械压缩式热泵是这样实现的：
⑴结构上 ， 它主要由压缩机、 膨胀机、 供热器和回热器所组成； 外部有低温热介质通 道与压缩机 1连通， 压缩机 1还有低温热介质通道经回热器 6与自身连通， 压缩机 1还有 低温热介质通道经供热器 4和回热器 6与膨胀机 9连通， 膨胀机 9还有低温热介质通道与 外部连通； 供热器 4还有被加热介质通道与外部连通， 膨胀机 9连接压缩机 1并传输动力。
⑵流程上， 外部低温热介质进入压缩机 1升压升温至一定程度之后流经回热器 6吸热 升温， 之后进入压缩机 1继续升压升温； 压缩机 1排放的低温热介质流经供热器 4和回热 器 6逐步放热并降温， 流经膨胀机 9降压作功， 之后对外排放； 被加热介质通过供热器 4 获得高温热负荷， 低温热介质通过进出流程提供低温热负荷， 膨胀机 9 和外部向压缩机 1 提供动力， 形成新型回热机械压缩式热泵。 本发 明技术可以实现的效果一一本发明所提出的回热式热力循环与新型回热机械压缩 式热泵， 具有如下效果和优势：
⑴ 回热式热力循环， 符合热力学原理； 回热参数 (如压力) 灵活， 回热幅度可调。
⑵ 回热式热力循环， 不同热源温差下有相应且适合的回热幅度， 保持合理的性能指数。
⑶ 回热式热力循环， 有效降低循环压缩比， 为提高循环工质流量和选用大流量压气机 提供基本工作原理。
(4)新型回热机械压缩式热泵， 有效实现深度制冷或高温供热， 实现和扩展能源合理利 用。
⑸新型 回热机械压缩式热泵， 提供多种技术方案， 有利于扩展机械压缩式热泵的应用 范围， 实现机械能的高效冷/热利用。

Claims

9 权 利 要 求 书
1. 回热式热力循环， 是指由一定质量的循环工质依序进行的七个过程 —自低温热源 吸热过程 12, 升压过程 23, 自循环工质吸热过程 34, 升压过程 45, 向高温热源放热过程 56, 向循环工质放热过程 67 , 降压过程 71 — —组成的闭合过程； 其中， 过程 67的放热满 足过程 34的吸热。
2. 新型回热机械压缩式热泵， 主要由压缩机、 膨胀增速机、 扩压管、 供热器、 低温热 交换器和回热器所组成； 压缩机（1）有循环工质通道经供热器（4）和回热器（6） 与膨胀 增速机 （2）连通， 膨胀增速机（2）还有循环工质通道经低温热交换器（5） 与扩压管（3） 连通， 扩压管 （3）还有循环工质通道经回热器（6） 与压缩机（1） 连通； 供热器（4） 还 有被加热介质通道与外部连通， 低温热交换器（5）还有低温热介质通道与外部连通， 膨胀 增速机 （2）连接压缩机 （1） 并传输动力， 形成新型回热机械压缩式热泵。
3. 新型回热机械压缩式热泵， 主要由压缩机、 膨胀增速机、 双能压缩机、 供热器、 低 温热交换器和回热器所组成； 压缩机（1）有循环工质通道经供热器（4）和回热器（6） 与 膨胀增速机 （2）连通， 膨胀增速机（2）还有循环工质通道经低温热交换器（5） 与双能压 缩机 （7） 连通， 双能压缩机 （7）还有循环工质通道经回热器（6） 与压缩机（1） 连通； 供热器 （4）还有被加热介质通道与外部连通， 低温热交换器 （5） 还有低温热介质通道与 外部连通， 膨胀增速机（2）连接压缩机（1）和双能压缩机（7） 并传输动力， 形成新型回 热机械压缩式热泵。
4. 新型回热机械压缩式热泵， 主要由压缩机、 喷管、 扩压管、 供热器、 低温热交换器 和回热器所组成； 压缩机 （1） 有循环工质通道经供热器 （4） 和回热器（6） 与喷管 （8） 连通， 喷管 （8）还有循环工质通道经低温热交换器 （5） 与扩压管 （3）连通， 扩压管 （3） 还有循环工质通道经回热器 （6） 与压缩机（1）连通； 供热器（4）还有被加热介质通道与 外部连通， 低温热交换器（5）还有低温热介质通道与外部连通， 形成新型回热机械压缩式 热泵。
5. 新型回热机械压缩式热泵， 主要由双能压缩机、 喷管、 扩压管、 供热器、 低温热交 换器和回热器所组成； 双能压缩机（7）有循环工质通道经供热器（4）和回热器（6）与喷 管 （8） 连通， 喷管 （8）还有循环工质通道经低温热交换器 （5） 与扩压管 （3） 连通， 扩 压管 （3）还有循环工质通道经回热器 （6） 与双能压缩机（7）连通； 供热器（4） 还有被 加热介质通道与外部连通， 低温热交换器（5）还有低温热介质通道与外部连通， 形成新型 回热机械压缩式热泵。
6. 新型回热机械压缩式热泵， 主要由双能压缩机、 膨胀增速机、 扩压管、 供热器、 低 温热交换器和回热器所组成； 双能压缩机（7）有循环工质通道经供热器（4）和回热器（6） 与膨胀增速机 （2）连通， 膨胀增速机（2）还有循环工质通道经低温热交换器（5）与扩压 管 （3） 连通， 扩压管 （3）还有循环工质通道经回热器（6） 与双能压缩机（7）连通； 供 热器 （4）还有被加热介质通道与外部连通， 低温热交换器（5）还有低温热介质通道与外部 连通， 膨胀增速机（2）连接双能压缩机（7） 并传输动力， 形成新型回热机械压缩式热泵。
7. 新型回热机械压缩式热泵， 主要由压缩机、 膨胀增速机、 双能压缩机、 供热器、 低 温热交换器和回热器所组成； 双能压缩机（7）有循环工质通道经供热器（4）和回热器（6） 与膨胀增速机 （2）连通， 膨胀增速机（2）还有循环工质通道经低温热交换器（5） 与压缩 机 （1） 连通， 压缩机 （1）还有循环工质通道经回热器（6） 与双能压缩机（7）连通； 供 热器 （4）还有被加热介质通道与外部连通， 低温热交换器（5） 还有低温热介质通道与外 部连通， 膨胀增速机（2）连接压缩机（1）和双能压缩机（7）并传输动力， 形成新型回热 机械压缩式热泵。
8. 新型回热机械压缩式热泵， 主要由压缩机、 膨胀增速机、 扩压管、 供热器、 低温热 交换器和回热器所组成； 扩压管（3）有循环工质通道经供热器（4）和回热器（6）与膨胀 增速机 （2）连通， 膨胀增速机（2）还有循环工质通道经低温热交换器（5） 与压缩机（1） 连通， 压缩机（1） 还有循环工质通道经回热器 （6） 与扩压管 （3） 连通； 供热器 （4） 还 有被加热介质通道与外部连通， 低温热交换器（5）还有低温热介质通道与外部连通， 膨胀 增速机 （2）连接压缩机 （1） 并传输动力， 形成新型回热机械压缩式热泵。
9. 新型回热机械压缩式热泵， 主要由压缩机、 喷管、 扩压管、 供热器、 低温热交换器 和回热器所组成； 扩压管 （3）有循环工质通道经供热器（4）和回热器（6） 与喷管 （8） 连通， 喷管 （8）还有循环工质通道经低温热交换器（5）与压缩机 （1）连通， 压缩机（1） 还有循环工质通道经回热器 （6） 与扩压管（3）连通； 供热器（4）还有被加热介质通道与 外部连通， 低温热交换器（5）还有低温热介质通道与外部连通， 形成新型回热机械压缩式 热泵。
10. 新型回热机械压缩式热泵， 主要由压缩机、 膨胀机、 供热器、 低温热交换器和回 热器所组成； 膨胀机（9）有循环工质通道经低温热交换器（5） 与压缩机（1）连通， 压缩 机 （1）还有循环工质通道经回热器（6） 与自身连通， 压缩机（1）还有循环工质通道经供 热器 （4） 和回热器 （6） 与膨胀机（9）连通； 供热器 （4）还有被加热介质通道与外部连 通， 低温热交换器（5）还有低温热介质通道与外部连通， 膨胀机（9）连接压缩机（1）并 传输动力， 形成新型回热机械压缩式热泵。
11. 新型回热机械压缩式热泵， 主要由压缩机、 膨胀增速机、 扩压管、 低温热交换器 和回热器所组成； 外部有被加热介质通道经回热器 （6） 与膨胀增速机 （2）连通， 膨胀增 速机 （2）还有被加热介质通道经低温热交换器 （5） 与扩压管 （3） 连通， 扩压管 （3）还 有被加热介质通道经回热器 （6）与压缩机（1）连通， 压缩机（1）还有被加热介质通道与 外部连通； 低温热交换器（5） 还有低温热介质通道与外部连通， 膨胀增速机（2） 连接压 缩机 （1） 并传输动力， 形成新型回热机械压缩式热泵。
12. 新型回热机械压缩式热泵， 主要由压缩机、 膨胀增速机、 双能压缩机、 低温热交 换器和回热器所组成； 外部有被加热介质通道经回热器 （6） 与膨胀增速机（2） 连通， 膨 胀增速机 （2）还有被加热介质通道经低温热交换器（5） 与双能压缩机（7）连通， 双能压 缩机 （7）还有被加热介质通道经回热器（6） 与压缩机 （1） 连通， 压缩机（1）还有被加 热介质通道与外部连通； 低温热交换器（5）还有低温热介质通道与外部连通， 膨胀增速机
（2）连接压缩机（1）和双能压缩机 （7） 并传输动力， 形成新型回热机械压缩式热泵。
13. 新型回热机械压缩式热泵， 主要由压缩机、 喷管、 扩压管、 低温热交换器和回热 器所组成； 外部有被加热介质通道经回热器（6）与喷管（8）连通， 喷管 （8）还有被加热 介质通道经低温热交换器 （5）与扩压管 （3）连通， 扩压管 （3）还有被加热介质通道经回 热器 （6）与压缩机 （1）连通， 压缩机（1）还有被加热介质通道与外部连通； 低温热交换 器 （5）还有低温热介质通道与外部连通， 形成新型回热机械压缩式热泵。
14. 新型回热机械压缩式热泵， 主要由双能压缩机、 喷管、 扩压管、 低温热交换器和 11 回热器所组成； 外部有被加热介质通道经回热器（6）与喷管 （8）连通， 喷管（8）还有被 加热介质通道经低温热交换器 （5） 与扩压管 （3）连通， 扩压管 （3）还有被加热介质通道 经回热器 （6）与双能压缩机（7）连通， 双能压缩机（7）还有被加热介质通道与外部连通; 低温热交换器 （5）还有低温热介质通道与外部连通， 形成新型回热机械压缩式热泵。
15. 新型回热机械压缩式热泵， 主要由压缩机、 膨胀增速机、 双能压缩机、 低温热交 换器和回热器所组成； 外部有被加热介质通道经回热器（6） 与膨胀增速机（2）连通， 膨 胀增速机 （2）还有被加热介质通道经低温热交换器（5） 与压缩机（1）连通， 压缩机（1） 还有被加热介质通道经回热器 （6） 与双能压缩机（7）连通， 双能压缩机（7）还有被加热 介质通道与外部连通；低温热交换器（5）还有低温热介质通道与外部连通，膨胀增速机（2） 连接压缩机 （1）和双能压缩机（7） 并传输动力， 形成新型回热机械压缩式热泵。
16. 新型回热机械压缩式热泵， 主要由压缩机、 膨胀增速机、 扩压管、 低温热交换器 和回热器所组成； 外部有被加热介质通道经回热器 （6） 与膨胀增速机 （2）连通， 膨胀增 速机 （2）还有被加热介质通道经低温热交换器 （5） 与压缩机（1） 连通， 压缩机 （1） 还 有被加热介质通道经回热器 （6）与扩压管（3）连通， 扩压管 （3）还有被加热介质通道与 外部连通； 低温热交换器（5）还有低温热介质通道与外部连通， 膨胀增速机 （2） 连接压 缩机 （1） 并传输动力， 形成新型回热机械压缩式热泵。
17. 新型回热机械压缩式热泵， 主要由压缩机、 喷管、 扩压管、 低温热交换器和回热 器所组成； 外部有被加热介质通道经回热器（6）与喷管 （8）连通， 喷管（8）还有被加热 介质通道经低温热交换器 （5） 与压缩机（1）连通， 压缩机（1）还有被加热介质通道经回 热器 （6） 与扩压管 （3）连通， 扩压管 （3）还有被加热介质通道与外部连通， （氐温热交换 器 （5）还有低温热介质通道与外部连通， 形成新型回热机械压缩式热泵。
18. 新型回热机械压缩式热泵， 主要由双能压缩机、 膨胀增速机、 扩压管、 低温热交 换器和回热器所组成； 外部有被加热介质通道经回热器 （6） 与膨胀增速机（2）连通， 膨 胀增速机 （2）还有被加热介质通道经低温热交换器（5） 与扩压管 （3）连通， 扩压管 （3） 还有被加热介质通道经回热器 （6）与双能压缩机（7）连通， 双能压缩机（7）还有被加热 介质通道与外部连通；低温热交换器（5）还有低温热介质通道与外部连通，膨胀增速机（2） 连接双能压缩机 （7） 并传输动力， 形成新型回热机械压缩式热泵。
19. 新型回热机械压缩式热泵， 主要由压缩机、 膨胀机、 低温热交换器和回热器所组 成； 外部有被加热介质通道经回热器（6）与膨胀机（9）连通， 膨胀机（9）有被加热介质 通道经低温热交换器 （5） 与压缩机（1）连通， 压缩机（1）还有被加热介质通道经回热器
（6） 与自身连通， 压缩机（1）还有被加热介质通道与外部连通； 低温热交换器（5）还有 低温热介质通道与外部连通， 膨胀机（9） 连接压缩机（1） 并传输动力， 形成新型回热机 械压缩式热泵。
20. 新型回热机械压缩式热泵， 主要由压缩机、 膨胀机、 供热器和回热器所组成； 外 部有低温热介质通道与压缩机 （1）连通， 压缩机（1）还有低温热介质通道经回热器（6） 与自身连通， 压缩机（1）还有低温热介质通道经供热器（4）和回热器 （6） 与膨胀机（9） 连通， 膨胀机 （9） 还有低温热介质通道与外部连通； 供热器 （4） 还有被加热介质通道与 外部连通， 膨胀机（9）连接压缩机（1）并传输动力， 形成新型回热机械压缩式热泵。
PCT/CN2021/000196 2020-09-27 2021-09-24 回热式热力循环与新型回热机械压缩式热泵 WO2022062272A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202011094167.0 2020-09-27
CN202011094167 2020-09-27

Publications (1)

Publication Number Publication Date
WO2022062272A1 true WO2022062272A1 (zh) 2022-03-31

Family

ID=79922434

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/000196 WO2022062272A1 (zh) 2020-09-27 2021-09-24 回热式热力循环与新型回热机械压缩式热泵

Country Status (2)

Country Link
CN (1) CN114001481A (zh)
WO (1) WO2022062272A1 (zh)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03125863A (ja) * 1989-10-06 1991-05-29 Matsushita Electric Ind Co Ltd ２段圧縮冷凍サイクル装置
KR20000063409A (ko) * 2000-07-06 2000-11-06 김승우 하압식 저온 브레이튼 공기조화장치
CN105209836A (zh) * 2013-05-02 2015-12-30 株式会社前川制作所 冷冻系统
CN107429954A (zh) * 2015-05-01 2017-12-01 株式会社前川制作所 冷冻机以及冷冻机的运转方法
US20180179914A1 (en) * 2016-12-28 2018-06-28 X Development Llc Use of Regenerator in Thermodynamic Cycle System
CN108954821A (zh) * 2018-08-10 2018-12-07 大连民族大学 一种空气循环的开式热泵热水制备方法
CN111183272A (zh) * 2017-10-09 2020-05-19 乔治洛德方法研究和开发液化空气有限公司 制冷装置和方法
CN113465210A (zh) * 2021-06-17 2021-10-01 北京工业大学 一种全年冷却用空气制冷系统及其冷量调节方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105953473B (zh) * 2015-04-13 2020-06-16 李华玉 双向热力循环与第二类热驱动压缩式热泵
CN110762869A (zh) * 2018-10-31 2020-02-07 李华玉 气体压缩式热泵
CN113686043A (zh) * 2020-07-27 2021-11-23 李华玉 双工质联合循环热泵装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03125863A (ja) * 1989-10-06 1991-05-29 Matsushita Electric Ind Co Ltd ２段圧縮冷凍サイクル装置
KR20000063409A (ko) * 2000-07-06 2000-11-06 김승우 하압식 저온 브레이튼 공기조화장치
CN105209836A (zh) * 2013-05-02 2015-12-30 株式会社前川制作所 冷冻系统
CN107429954A (zh) * 2015-05-01 2017-12-01 株式会社前川制作所 冷冻机以及冷冻机的运转方法
US20180179914A1 (en) * 2016-12-28 2018-06-28 X Development Llc Use of Regenerator in Thermodynamic Cycle System
CN111183272A (zh) * 2017-10-09 2020-05-19 乔治洛德方法研究和开发液化空气有限公司 制冷装置和方法
CN108954821A (zh) * 2018-08-10 2018-12-07 大连民族大学 一种空气循环的开式热泵热水制备方法
CN113465210A (zh) * 2021-06-17 2021-10-01 北京工业大学 一种全年冷却用空气制冷系统及其冷量调节方法

Also Published As

Publication number Publication date
CN114001481A (zh) 2022-02-01

Similar Documents

Publication Publication Date Title
CN110455010A (zh) 联合循环热泵装置
CN105042931A (zh) 一种跨临界循环与吸收式热泵联产的复合热泵系统
CN101694332A (zh) 回热式三效第一类吸收式热泵
CN101968285B (zh) 回热式双效第一类吸收式热泵
CN105222399B (zh) 一种太阳能辅助的制冷制热系统
CN108534213A (zh) 一种低谷电蓄热复合吸收式空气源热泵循环供暖系统
CN108120048A (zh) 第一类热驱动压缩式热泵
WO2022062272A1 (zh) 回热式热力循环与新型回热机械压缩式热泵
CN111238081A (zh) 联合循环热泵装置
CN208205159U (zh) 一种低谷电蓄热复合吸收式空气源热泵循环供暖系统
WO2022062270A1 (zh) 回热式热力循环与回热式气体热动装置
WO2022057163A1 (zh) 回热式热力循环与回热式气体热动装置
CN201991617U (zh) 压水堆核动力燃气轮机循环发电系统
CN206320933U (zh) 热水型热泵系统
CN105222395B (zh) 一种热泵空调系统
CN109059345A (zh) 第一类热驱动压缩式热泵
WO2022068119A1 (zh) 回热式热力循环与新型回热机械压缩式热泵
CN115218506A (zh) 回热式热力循环与中间回热机械压缩式热泵
CN110440481A (zh) 联合循环热泵装置
CN110440483A (zh) 联合循环热泵装置
CN114811994A (zh) 氢燃料联合循环热泵装置
CN109059348A (zh) 第一类热驱动压缩式热泵
CN109059349A (zh) 第一类热驱动压缩式热泵
CN114294855A (zh) 第一类热驱动联合循环热泵装置
CN110440480A (zh) 联合循环热泵装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21870662

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21870662

Country of ref document: EP

Kind code of ref document: A1