CN108759143A - A kind of special cascade superhigh temperature hot water air source heat pump system - Google Patents

A kind of special cascade superhigh temperature hot water air source heat pump system Download PDF

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Publication number
CN108759143A
CN108759143A CN201810711018.0A CN201810711018A CN108759143A CN 108759143 A CN108759143 A CN 108759143A CN 201810711018 A CN201810711018 A CN 201810711018A CN 108759143 A CN108759143 A CN 108759143A
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China
Prior art keywords
connect
fluid reservoir
economy
compressor
form device
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Application number
CN201810711018.0A
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Chinese (zh)
Inventor
帅立朋
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JIANGSU NEW ENERGY CO Ltd
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JIANGSU NEW ENERGY CO Ltd
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Priority to CN201810711018.0A priority Critical patent/CN108759143A/en
Publication of CN108759143A publication Critical patent/CN108759143A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B7/00Compression machines, plants or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B13/00Compression machines, plants or systems, with reversible cycle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/20Disposition of valves, e.g. of on-off valves or flow control valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00Problems to be solved
    • F25B2500/31Low ambient temperatures

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

The present invention relates to a kind of air source heat pump system more particularly to a kind of special cascade superhigh temperature hot water air source heat pump systems.The technical solution adopted by the present invention is:A kind of special cascade superhigh temperature hot water air source heat pump system, including high temperature modular refrigeration agent system and refrigerated module refrigerant system, the high temperature modular refrigeration agent system includes compressor I, condenser I, fluid reservoir I and Economy of Intermediate Form device A, and the refrigerated module refrigerant system includes compressor II, Economy of Intermediate Form device A, evaporator II and evaporation fan.It is an advantage of the invention that:The present invention is suitable for the overlapping air source heat pump system of ultra-low temperature surroundings, using high and low temperature two-bed system overlapping compress technique, the heating of offer system low environment temperature is unattenuated, is run using different refrigerant modules, is suitable for the overlapping air source heat pump system of ultra-low temperature surroundings.

Description

A kind of special cascade superhigh temperature hot water air source heat pump system
Technical field
The present invention relates to a kind of air source heat pump system more particularly to a kind of special cascade superhigh temperature hot water air-sources Heat pump system.
Background technology
The performance of air source heat pump drastically declines with the reduction of evaporating temperature, at very low temperature, such as China north The winter of side will appear the excessively high problem of compression ratio when preparing ultrahigh-temperature hot water using air source heat pump, cause to generate operation production Raw overheat, deterioration of lubricant, a series of adverse consequences such as vortex mill damage.General heat pump is decayed in 60 degree or more of heating capacity Up to 50%, efficiency is low, less economical, this also limits use of the winter air source heat pump in cold district simultaneously.Therefore, it answers A kind of new technical solution of the offer solves the above problems.
Invention content
In view of the deficiencies of the prior art, the present invention is intended to provide a kind of can be in the superposition type of Effec-tive Function under ultra-low temperature surroundings Ultrahigh-temperature hot water air source heat pump system.
To achieve the above object, ensure that Cascade type heat pump system is reliable for operation under low ambient temperature, it is energy-efficient, and can produce Go out 95 degree of hot water, the technical solution adopted by the present invention is as follows:
A kind of special cascade superhigh temperature hot water air source heat pump system, including high temperature modular refrigeration agent system and low temperature Modular refrigeration agent system,
The high temperature modular refrigeration agent system includes compressor I, condenser I, fluid reservoir I and Economy of Intermediate Form device A, the pressure The outlet of contracting machine I is connect with the entrance of condenser I, the compressor I connect with condenser I centre be provided with high-voltage switch gear I and The outlet of four-way valve I, the condenser I is connect with the entrance of fluid reservoir I, is set among the condenser I and the connection of fluid reservoir I It is equipped with check valve I, capillary I and filter I, the outlet of the fluid reservoir I is connect with the entrance of heating power expansion valve I, the storage It is provided with I a of I a of filter, I a of capillary and check valve, the heating power expansion valve I among flow container I and the connection of heating power expansion valve I It is connect with Economy of Intermediate Form device A, the Economy of Intermediate Form device A is connect with separator I, during the Economy of Intermediate Form device A is connect with separator I Between be provided with four-way valve I and low tension switch I, the export pressure contracting machine I of the separator I;
The refrigerated module refrigerant system includes compressor II, Economy of Intermediate Form device A, evaporator II and evaporation fan, institute The outlet for stating compressor II is connect with Economy of Intermediate Form device A entrances, and the compressor II connect intermediate be provided with Economy of Intermediate Form device A High-voltage switch gear II and four-way valve II, the outlet the Economy of Intermediate Form device A are connect with recycling fluid reservoir II, the Economy of Intermediate Form device A and Recycling fluid reservoir II connects centre and is provided with check valve II, capillary II, filter II, the outlet of recycling fluid reservoir II and heat The entrance of power expansion valve II connects, be provided among the recycling fluid reservoir II and the connection of heating power expansion valve II II a of filter, The centre that II a of check valve and capillary II a, II a of the filter and heating power expansion valve II connect is provided with the connection of two-port valve II The recycling entrance of fluid reservoir II is recycled, the recycling of the recycling fluid reservoir II exports the increasing enthalpy mouth of connect compressor compressor II, The outlet of the heating power expansion valve II is connect with the entrance of evaporator II, the external evaporation fan circulating picture-changing in top of the evaporator II The outlet of heat, the evaporator II is connect with the entrance of separator II, and four are provided among the evaporator II and separator II Port valve II, the export pressure contracting machine II of the separator II.
Due to the adoption of the above technical solution, the present invention has the following advantages that compared with prior art:
The present invention is suitable for the overlapping air source heat pump system of ultra-low temperature surroundings, using high and low temperature two-bed system overlapping Compress technique, it is unattenuated to provide the heating of system low environment temperature, is run using different refrigerant modules, is suitable for ultra-low temperature surroundings Overlapping air source heat pump system.
Description of the drawings
Attached drawing 1 is cascade superhigh temperature hot water air source heat pump system figure of the present invention.
In the figures above:1, compressor I, 2, condenser I, 3, fluid reservoir I, 4, Economy of Intermediate Form device A, 5, high-voltage switch gear I, 6, Four-way valve I, 7, check valve I, 8, capillary I, 9, filter I, 10, filter I a, 11, capillary I a, 12, check valve I a, 13, Separator I, 14, separator II, 16, low tension switch I, 17, compressor II, 18, evaporator II, 19, steams heating power expansion valve I, 15 Send out wind turbine, 20, high-voltage switch gear II, 21, four-way valve II, 22, recycling fluid reservoir II, 23, check valve II, 24, capillary II, 25, Filter II, 26, heating power expansion valve II, 27, filter II a, 28, check valve II a, 29, capillary II a, 30, two-port valve II.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and embodiments:
As shown in Figure 1, one embodiment as the present invention, a kind of special cascade superhigh temperature hot water air-source heat Pumping system, including high temperature modular refrigeration agent system and refrigerated module refrigerant system, the high temperature modular refrigeration agent system include Compressor I 1, condenser I 2, fluid reservoir I 3 and Economy of Intermediate Form device A4, (hot water exchanges heat for outlet and the condenser of the compressor I 1 Device) I 2 entrance connection, the compressor I 1 connect with condenser I 2 centre be provided with high-voltage switch gear I 5 and four-way valve I 6, be used for The outlet of system protection and defrosting, the condenser I 2 is connect with the entrance of fluid reservoir I 3, the condenser I 2 and fluid reservoir I 3 Connection among be provided with check valve I 7, capillary I 8 and filter I 9, outlet and the heating power expansion valve I 14 of the fluid reservoir I 3 Entrance connection, be provided with I a10 of filter, I a11 of capillary among the connection of the fluid reservoir I 3 and heating power expansion valve I 14 With I a12 of check valve, the heating power expansion valve I 14 is connect with Economy of Intermediate Form device A4, the Economy of Intermediate Form device A4 and separator I 13 It is provided with four-way valve I 6 and low tension switch I 16 among connection, the Economy of Intermediate Form device A4 and the connection of separator I 13, is used for system Protection and defrosting, the export pressure contracting machine I 1 of the separator I 13;
The refrigerated module refrigerant system includes compressor II 17, Economy of Intermediate Form device A4, evaporator II 18 and evaporation wind The outlet of machine 19, the compressor II 17 is connect with Economy of Intermediate Form device A4 entrances, the compressor II 17 and Economy of Intermediate Form device A4 Connection is intermediate to be provided with high-voltage switch gear II 20 and four-way valve II 21, is used for system protection and defrosting, the outlets Economy of Intermediate Form device A It is connect with recycling fluid reservoir II 22, the Economy of Intermediate Form device A4 connect centre with recycling fluid reservoir II 22 and is provided with check valve II 23, capillary II 24, filter II 25, recycling fluid reservoir II 22 outlet are connect with the entrance of heating power expansion valve II 26, institute It states and is provided with II a27 of filter, II a28 of check valve and capillary among recycling fluid reservoir II 22 and the connection of heating power expansion valve II 26 The centre that II a29 of pipe, II a27 of the filter and heating power expansion valve II 26 connect, which is provided with two-port valve II 30 and connects back to, stores up liquid The recycling entrance of tank II 22, the increasing enthalpy mouth of the recycling outlet connect compressor compressor II 17 of the recycling fluid reservoir II 22, institute It states the outlet of heating power expansion valve II 26 to connect with the entrance of evaporator II 18, the external evaporation fan in top of the evaporator II 18 The outlet of 19 cycle heat exchanges, the evaporator II 18 is connect with the entrance of separator II 15, the evaporator II 18 and separator It is provided with four-way valve II 21 among II 15, defrosts for system, the export pressure contracting machine II 17 of the separator II 15.
A kind of operation principle of special cascade superhigh temperature hot water air source heat pump system of the present invention is:Evaporative condenser It is both cryogenic system condenser and high-temperature systems evaporator, refrigerant absorbs in cryogenic system evaporator in cryogenic system Heat, and equality of temperature is become with the gas of pressure, gaseous state system by the gas-liquid mixed state of low-temp low-pressure by cryogenic system gas-liquid separator Entrance can be as the steaming of cryogenic system condenser after cryogen is compressed into the gas of high temperature and pressure in cryogenic system compressor Feel cold and release heat in condenser, at the same time the refrigerant in high-temperature systems by heat from high-temperature systems evaporator can be used as Evaporative condenser in bring high-temperature systems water condenser into via high-temperature systems gas-liquid separator and high-temperature systems compressor respectively In and in a manner of heat exchange transfer heat to water, to obtain the high-temperature-hot-water of required temperature, having can be in ultralow temperature ring Under border the characteristics of Effec-tive Function.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art For, without departing from the principles of the present invention, it can also make several improvements or replace, these improve or replace It should be regarded as protection scope of the present invention.

Claims (1)

1. a kind of special cascade superhigh temperature hot water air source heat pump system, it is characterised in that:Including high temperature modular refrigeration agent System and refrigerated module refrigerant system,
The high temperature modular refrigeration agent system includes compressor I (1), condenser I (2), fluid reservoir I (3) and Economy of Intermediate Form device A (4), the outlet of the compressor I (1) is connect with the entrance of condenser I (2), and the compressor I (1) is connect with condenser I (2) Centre is provided with high-voltage switch gear I (5) and four-way valve I (6), and the outlet of the condenser I (2) connects with the entrance of fluid reservoir I (3) It connects, check valve I (7), capillary I (8) and filter I is provided among the condenser I (2) and the connection of fluid reservoir I (3) (9), the outlet of the fluid reservoir I (3) is connect with the entrance of heating power expansion valve I (14), the fluid reservoir I (3) and thermal expansion I a of filter (10), I a of capillary (11) and I a of check valve (12), the heating power expansion valve are provided among the connection of valve I (14) I (14) are connect with Economy of Intermediate Form device A (4), and the Economy of Intermediate Form device A (4) connect with separator I (13), the Economy of Intermediate Form device A (4) four-way valve I (6) and low tension switch I (16), the outlet of the separator I (13) are provided among being connect with separator I (13) Return compressor I (1);
The refrigerated module refrigerant system includes compressor II (17), Economy of Intermediate Form device A (4), evaporator II (18) and evaporation The outlet of wind turbine (19), the compressor II (17) is connect with Economy of Intermediate Form device A (4) entrance, and the compressor II (17) is in Between be provided with high-voltage switch gear II (20) and four-way valve II (21) among economizer A (4) connections, the Economy of Intermediate Form device A (4) exports It is connect with recycling fluid reservoir II (22), the Economy of Intermediate Form device A (4) connect intermediate be provided with unidirectionally with recycling fluid reservoir II (22) Valve II (23), capillary II (24), filter II (25), recycling fluid reservoir II (22) outlet and heating power expansion valve II (26) Entrance connection, be provided with II a of filter among the recycling fluid reservoir II (22) and the connection of heating power expansion valve II (26) (27), II a of check valve (28) and capillary II a (29), during II a of the filter (27) is connect with heating power expansion valve II (26) Between be provided with two-port valve II (30) and connect back to the recycling entrance for storing up flow container II (22), the recycling of the recycling fluid reservoir II (22) The increasing enthalpy mouth of connect compressor compressor II (17) is exported, the heating power expansion valve II (26) outlet enters with evaporator II (18) Mouth connection, top external evaporation fan (19) cycle heat exchange of the evaporator II (18), the outlet of the evaporator II (18) It is connect with the entrance of separator II (15), four-way valve II is provided among the evaporator II (18) and separator II (15) (21), the export pressure contracting machine II (17) of the separator II (15).
CN201810711018.0A 2018-07-02 2018-07-02 A kind of special cascade superhigh temperature hot water air source heat pump system Pending CN108759143A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109442752A (en) * 2018-11-26 2019-03-08 江苏天舒电器有限公司 A kind of superposition type hot-air system
CN109780742A (en) * 2019-01-05 2019-05-21 青州环立制冷设备有限公司 The superhigh temperature ultra low temperature overlapping heat pump energy-saving system of 95 DEG C of -99 DEG C of water outlets
CN110887231A (en) * 2019-11-26 2020-03-17 东莞市天元节能科技有限公司 Air energy jet enthalpy-increasing ultralow-temperature cascade water boiler
CN112402995A (en) * 2019-08-21 2021-02-26 西安东方能源工程有限公司 Air source multiple-effect vacuum evaporation system applied to cutting fluid concentration
CN114294852A (en) * 2022-01-17 2022-04-08 山东绿泉空调科技有限公司 Double-stage direct-current frequency conversion overlapping high-temperature hot water unit system
CN114674090A (en) * 2022-04-12 2022-06-28 新科环保科技有限公司 Low-ambient-temperature heating air-conditioning system

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Publication number Priority date Publication date Assignee Title
JPH07234041A (en) * 1994-02-22 1995-09-05 Sanyo Electric Co Ltd Cascade refrigerating equipment
CN1436980A (en) * 2003-02-28 2003-08-20 浙江大学 Method and mechanism for expanding heat producing capacity of heat pump under low temperature environment
CN102901260A (en) * 2012-10-11 2013-01-30 深圳麦克维尔空调有限公司 Heat-recovery water source multi-connected air-conditioning system
CN203964427U (en) * 2014-06-25 2014-11-26 广东芬尼克兹节能设备有限公司 A kind of intelligent protection system of cascade high-temperature heat pump
CN104197568A (en) * 2014-09-17 2014-12-10 江苏双志新能源有限公司 Novel air source heat pump under low-temperature environment
CN205505475U (en) * 2016-03-31 2016-08-24 郑州欧纳尔冷暖科技有限公司 Overlapping heat pump system
CN106440445A (en) * 2015-08-04 2017-02-22 吕瑞强 Efficient air source heat pump system suitable for low-temperature environment
CN107278253A (en) * 2016-09-07 2017-10-20 徐生恒 Air energy double stage heat pump air-conditioning system
CN208419258U (en) * 2018-07-02 2019-01-22 江苏奥斯康新能源有限公司 A kind of cascade superhigh temperature hot water air source heat pump system

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07234041A (en) * 1994-02-22 1995-09-05 Sanyo Electric Co Ltd Cascade refrigerating equipment
CN1436980A (en) * 2003-02-28 2003-08-20 浙江大学 Method and mechanism for expanding heat producing capacity of heat pump under low temperature environment
CN102901260A (en) * 2012-10-11 2013-01-30 深圳麦克维尔空调有限公司 Heat-recovery water source multi-connected air-conditioning system
CN203964427U (en) * 2014-06-25 2014-11-26 广东芬尼克兹节能设备有限公司 A kind of intelligent protection system of cascade high-temperature heat pump
CN104197568A (en) * 2014-09-17 2014-12-10 江苏双志新能源有限公司 Novel air source heat pump under low-temperature environment
CN106440445A (en) * 2015-08-04 2017-02-22 吕瑞强 Efficient air source heat pump system suitable for low-temperature environment
CN205505475U (en) * 2016-03-31 2016-08-24 郑州欧纳尔冷暖科技有限公司 Overlapping heat pump system
CN107278253A (en) * 2016-09-07 2017-10-20 徐生恒 Air energy double stage heat pump air-conditioning system
CN208419258U (en) * 2018-07-02 2019-01-22 江苏奥斯康新能源有限公司 A kind of cascade superhigh temperature hot water air source heat pump system

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109442752A (en) * 2018-11-26 2019-03-08 江苏天舒电器有限公司 A kind of superposition type hot-air system
CN109442752B (en) * 2018-11-26 2024-02-13 江苏天舒电器有限公司 Overlapping type hot air system
CN109780742A (en) * 2019-01-05 2019-05-21 青州环立制冷设备有限公司 The superhigh temperature ultra low temperature overlapping heat pump energy-saving system of 95 DEG C of -99 DEG C of water outlets
CN112402995A (en) * 2019-08-21 2021-02-26 西安东方能源工程有限公司 Air source multiple-effect vacuum evaporation system applied to cutting fluid concentration
CN112402995B (en) * 2019-08-21 2023-10-24 西安东方能源工程有限公司 Air source multi-effect vacuum evaporation system applied to cutting fluid concentration
CN110887231A (en) * 2019-11-26 2020-03-17 东莞市天元节能科技有限公司 Air energy jet enthalpy-increasing ultralow-temperature cascade water boiler
CN114294852A (en) * 2022-01-17 2022-04-08 山东绿泉空调科技有限公司 Double-stage direct-current frequency conversion overlapping high-temperature hot water unit system
CN114294852B (en) * 2022-01-17 2024-05-31 山东绿泉空调科技有限公司 Double-stage direct-current variable-frequency overlapping high-temperature hot water unit system
CN114674090A (en) * 2022-04-12 2022-06-28 新科环保科技有限公司 Low-ambient-temperature heating air-conditioning system

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