CN102226596A - Engine-driven cascade heat pump device - Google Patents

Engine-driven cascade heat pump device Download PDF

Info

Publication number
CN102226596A
CN102226596A CN2011101226675A CN201110122667A CN102226596A CN 102226596 A CN102226596 A CN 102226596A CN 2011101226675 A CN2011101226675 A CN 2011101226675A CN 201110122667 A CN201110122667 A CN 201110122667A CN 102226596 A CN102226596 A CN 102226596A
Authority
CN
China
Prior art keywords
temperature level
connects
engine
valve
control valve
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CN2011101226675A
Other languages
Chinese (zh)
Other versions
CN102226596B (en
Inventor
赵海波
吴坤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yantai University
Original Assignee
Yantai University
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 Yantai University filed Critical Yantai University
Priority to CN 201110122667 priority Critical patent/CN102226596B/en
Publication of CN102226596A publication Critical patent/CN102226596A/en
Application granted granted Critical
Publication of CN102226596B publication Critical patent/CN102226596B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Air-Conditioning For Vehicles (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)

Abstract

The invention discloses an engine-driven cascade heat pump device which is characterized by comprising a cascade heat pump system, at least an engine system and a water loop, wherein the cascade heat pump system comprises a high-temperature circulating system and a low-temperature circulating system; a high-temperature compressor, a condenser, a high-temperature reservoir, a high-temperature throttling valve, a high-temperature refrigerant heater, a condensation evaporator, a high-temperature air-liquid separator and a refrigerant side valve form a high-temperature refrigerant circulating system; a low-temperature compressor, a condensation evaporator, a low-temperature reservoir, a low-temperature throttling valve, a low-temperature refrigerant heater, an evaporator, a low-temperature air-liquid separator and a refrigerant side valve form a low-temperature refrigerant circulating system; and the engine system comprises an engine, an engine cooling heat exchanger, a smoke heat exchanger, a cooling water bypass valve and a fuel regulating valve. The engine-driven cascade heat pump device disclosed by the invention can improve the utilization efficiency of fuel, realize high-efficiency utilization of energy sources, reducing pollution, and realizing multiple functions of refrigerating in summer, heating in winter, preparing domestic hot water and the like with the same unit.

Description

A kind of engine-driven cascade type heat pump device
Technical field:
The present invention relates to a kind of engine-driven cascade type heat pump device, belong to heat pump and utilize technical field.
Background technology:
At present, the heating of China's building mainly contains boiler room or modes such as steam power plant's heat supply, heat pump heat supply.Boiler room or steam power plant's heat supply are obtained heat by direct combustion of fossil fuels mostly, and this heat-supplying mode has not only consumed a large amount of non-renewable energy resources, also discharges a large amount of greenhouse gases and pollutant, has caused the serious environmental pollution.Heat pump heat supply is used more in China south.Its shortcoming one is because water outlet or leaving air temp are lower, generally is lower than 60 ℃, thus mostly and fan coil be used, system complex and initial cost are higher; The 2nd, when the north that temperature is lower was in the winter time moved, efficient was lower, even can't normally move; The 3rd, it is generally lower that ordinary hot pumps coolant-temperature gage, the terminal radiator combined heat that can't generally adopt with the present north, and when heat source temperature was low, common heat pump promotes the too big words of the temperature difference can cause the very low and easy break-down of its operational efficiency; The 4th, major part is electronic in the existing heat pump, because coal power generation still accounts for quite great proportion in China's electric structure, so a large amount of electric power of heat pump consumption not only causes powerup issues such as electric load peak-valley difference, also caused the discharging of a large amount of greenhouse gases and pollutant indirectly, aggravation greenhouse effects and environmental pollution.
Summary of the invention:
The objective of the invention is to overcome the deficiency of above-mentioned prior art and a kind of energy consumption efficiency that improves system is provided, realize the high-efficiency comprehensive utilization of the energy, reduce the discharging of greenhouse gases and environmental contaminants, realized that also same unit finishes refrigeration in summer, winter heating, produces engine-driven cascade type heat pump device of multi-functionals such as domestic hot-water.
Purpose of the present invention can reach by following measure: a kind of engine-driven cascade type heat pump device, it comprises the cascade type heat pump system, at least one engine system and water loop three parts, it is characterized in that described cascade type heat pump system comprises the high temperature level circulatory system and the low temperature level circulatory system, the high temperature stage compressor, condenser, high temperature level reservoir, high temperature level choke valve, high temperature level cold-producing medium heater, condenser/evaporator, high temperature level gas-liquid separator, the first refrigerant side valve, the second refrigerant side valve is formed high temperature level refrigerant-cycle systems, the high temperature stage compressor connects condenser, condenser connects high temperature level reservoir, the heat supply hot water outlet, high temperature level reservoir connects high temperature level choke valve, high temperature level choke valve connects high temperature level cold-producing medium heater by the first refrigerant side valve, high temperature level cold-producing medium heater connects condenser/evaporator by the second refrigerant side valve, condenser/evaporator connects high temperature level gas-liquid separator, and high temperature level gas-liquid separator connects the high temperature stage compressor; The low temperature stage compressor, condenser/evaporator, low temperature level reservoir, low temperature level choke valve, low temperature level cold-producing medium heater, evaporimeter, low temperature level gas-liquid separator, the 3rd refrigerant side valve, the 4th refrigerant side valve, the 5th refrigerant side valve, the 6th refrigerant side valve is formed low temperature level refrigerant-cycle systems, the low temperature stage compressor is by the 5th refrigerant side valve, the 6th refrigerant side valve connects condenser/evaporator, condenser/evaporator connects low temperature level reservoir, low temperature level reservoir connects low temperature level choke valve, low temperature level choke valve connects low temperature level cold-producing medium heater, low temperature level cold-producing medium heater connects evaporimeter, evaporimeter connects low temperature level gas-liquid separator, low temperature level gas-liquid separator connects the low temperature stage compressor, be provided with the 3rd refrigerant side valve between low temperature level reservoir and the high temperature level cold-producing medium heater, the 4th refrigerant side valve, each engine system is by an engine, an engine cool heat exchanger, a flue gas heat exchange device, a water bypass, a fuel control valve is formed, each engine connects an engine cool heat exchanger, be provided with a water bypass between each engine and the engine cool heat exchanger, the delivery port of each engine cool heat exchanger connects the water inlet of a flue gas heat exchange device, each flue gas heat exchange device connects an engine, each engine connects a fuel control valve, the water side loop is by three-way control valve, stop valve or magnetic valve, the first water side valve door, the second water side valve door, the 3rd water side valve door, the 4th water side valve door is formed, the delivery port of each flue gas heat exchange device all connects threeway the tenth control valve by three-way control valve, threeway the 5th control valve, threeway the tenth control valve connects threeway the 11 control valve and user's hot water respectively, threeway the 11 control valve connects condenser and threeway the 13 control valve respectively, the delivery port of each engine cool heat exchanger all connects three-way control valve by three-way control valve, the water inlet of each engine cool heat exchanger connects the 4th water side valve door, low temperature level cold-producing medium heater, threeway the 12 control valve, threeway the 12 control valve connects threeway the 13 control valve and stop valve or magnetic valve respectively, stop valve or magnetic valve connect water supplement port, threeway the 13 control valve connects water return outlet respectively, threeway the 11 control valve, threeway the 5th control valve connects low temperature level cold-producing medium heater respectively, the 3rd water side valve door, the 3rd water side valve door connects the first water side valve door, the first water side valve door connects cooling water inlet and high temperature level cold-producing medium heater, high temperature level cold-producing medium heater connects the second water side valve door respectively, the 4th water side valve door, the second water side valve door connects coolant outlet, is in transmission connection between engine and the compressor.
In order further to realize purpose of the present invention, it is characterized in that described cascade type heat pump system also comprise in the temperature level circulatory system, in warm stage compressor, condenser, middle temperature level reservoir, middle temperature level choke valve, high temperature level cold-producing medium heater, condenser/evaporator, middle temperature level gas-liquid separator, the first refrigerant side valve, temperature level refrigerant-cycle systems during the second refrigerant side valve is formed, in warm stage compressor connect another condenser/evaporator, temperature level reservoir during another condenser/evaporator connects, temperature grade choke valve during middle temperature level reservoir connects, middle temperature level choke valve connects high temperature level cold-producing medium heater by the first refrigerant side valve, high temperature level cold-producing medium heater connects condenser/evaporator by the second refrigerant side valve, temperature level gas-liquid separator during condenser/evaporator connects, warm stage compressor during middle temperature level gas-liquid separator connects.
In order further to realize purpose of the present invention, it is characterized in that reaching between condenser/evaporator and the high temperature level gas-liquid separator between described high temperature level reservoir and the high temperature level choke valve and be provided with high temperature level Recuperative heat exchanger.
In order further to realize purpose of the present invention, it is characterized in that reaching between evaporimeter and the low temperature level gas-liquid separator between described low temperature level reservoir and the low temperature level choke valve and be provided with low temperature level Recuperative heat exchanger.
In order further to realize purpose of the present invention, temperature level Recuperative heat exchanger in it is characterized in that being provided with between described middle temperature level reservoir and the middle temperature level choke valve and between condenser/evaporator and the middle temperature grade gas-liquid separator.
In order further to realize purpose of the present invention, it is characterized in that comprising in the described engine system more than one engine, be connected one, two of motor driven or three compressors between engine and the compressor by belt pulley or gear train and clutch.
Know-why of the present invention is: engine-driven cascade type heat pump device is made up of engine system, overlapping heat pump and three parts of water loop, and engine system comprises: annexes such as engine, engine cool heat exchanger, engine flue gas heat exchange device, clutch and current bypass regulator valve, fuel control valve; Heat pump comprises for the binary cascade type heat pump: the high temperature stage compressor, condenser, high temperature level reservoir, high temperature level choke valve, high temperature level Recuperative heat exchanger, high temperature level cold-producing medium heater, condenser/evaporator, high temperature level gas-liquid separator, the low temperature stage compressor, low temperature level reservoir, low temperature level choke valve, low temperature level evaporimeter, low temperature level Recuperative heat exchanger, low temperature level cold-producing medium heater, low temperature level gas-liquid separator etc., warm stage compressor during the ternary cascade type heat pump also comprises, middle temperature level condenser/evaporator, middle temperature level reservoir, middle temperature level choke valve, middle temperature level Recuperative heat exchanger, middle temperature level gas-liquid separator etc.Water loop comprises water pipe circuit that reclaims engine cool waste heat and using waste heat from tail gas and the three-way control valve that attaches etc.Connect by gear or belt transmission between engine system and the cascade type heat pump system, wherein corresponding binary cascade type heat pump system can comprise two engines in the engine system, also can comprise an engine.When adopting two engines, every engine drives a compressor respectively, promptly is connected with the power shaft of compressor through clutch by gear or belt transmission; When adopting an engine, engine output shaft is given two compressors by gear or belt while transferring power, connects by clutch between compressor and driven gear or the driven pulley, and whether the connected compressor of Clutch Control puts into operation.To the ternary cascade type heat pump, engine system can comprise 1,2 or 3 engines, respectively by 1 motor driven 3 compressor, 1 motor driven two compressor and another drive the 3rd compressor, 3 engines drive 3 compressors respectively.Adopt gear drive or belt transmission between engine and the clutch.The cooling residual heat of engine and using waste heat from tail gas are recycled by engine cool heat exchanger and motor exhaust heat exchanger respectively.During this device heating operation, the heat of recovery is divided into three parts: a part is productive life hot water directly; A part is sent to the agent of cold-producing medium heater heating and cooling, increases the heat pump low-temperature heat quantity; Another part enters condenser to be continued heating and promotes the temperature of heat supply water or in parallelly with the condenser water outlet carry out heat supply.During refrigerating operaton, the engine exhaust heat of recovery only is used to produce the domestic hot-water.
The present invention has substantive distinguishing features and marked improvement compared with the prior art: the present invention passes through with natural gas, biogas, clean energy resourcies such as biodiesel are the motor driven binary of fuel, compressor in the ternary cascade type heat pump system, significantly improve the heat pump heat supply temperature value under the low-temperature heat source condition, offer existing terminal radiator and carry out indoor heating, utilize engine exhaust heat to produce the domestic hot-water simultaneously, heating and cooling agent and preheating heat supply water, not only improved the energy consumption efficiency of system, realize the high-efficiency comprehensive utilization of the energy, reduce the discharging of greenhouse gases and environmental contaminants, realized that also same unit finishes the refrigeration in summer, winter heating, produce multi-functionals such as domestic hot-water.Its advantage is as follows: one, decapacitation are realized can also reclaiming engine exhaust heat and being used to heat, producing domestic hot-water and heating and cooling agent outside refrigeration, the heating operation, and the heating means and the comfortableness condition of convenience, cleaning is provided for severe cold season or extremely frigid zones user; Its two, be primary fuel with the clean energy resource, reduce the discharging of greenhouse gases and pollutant, realized the high-efficiency comprehensive utilization of fuel; Its three, can produce the heat supply water of high-temperature during this system heating operation, can make full use of existing heating facility heat supply, the lower shortcoming of efficient that has caused because of compression ratio is excessive when having overcome high-temperature-hot-water during the ordinary single-stage heat pump cycle is produced effectively; During this system refrigerating operaton, under extremely hot and hot weather, provide energy-conservation, aircondition efficiently for the user; Its four, in the time of the system heating operation, the user is sent in the water outlet of evaporimeter or air-out freezes refrigeration and heating operation in the time of feasible system.Comprehensively above-mentioned, the present invention is by recovery and comprehensive utilization to engine exhaust heat, not only realized the efficient utilization of fuel, reduced the discharging of greenhouse gases and pollutant, can also improve the low-temperature working performance of heat pump, reduce or avoided heat pump under low temperature environment, to heat, increase the heating capacity of system simultaneously again because of evaporimeter frosting influences.As seen, the motor driven cascade type heat pump device of the present invention's proposition has remarkable economic efficiency, social benefit and environmental benefit.
Description of drawings:
Fig. 1 a is the binary cascade type heat pump system architecture principle schematic of a kind of motor driven two compressors of the present invention;
Fig. 1 b is the binary cascade type heat pump system architecture principle schematic of a kind of two motor driven two compressors of the present invention;
Fig. 2 a is the binary cascade type heat pump system architecture principle schematic of another kind of motor driven two compressors of the present invention;
Fig. 2 b is the binary cascade type heat pump system architecture principle schematic of another kind of two motor driven two compressors of the present invention;
Fig. 3 a is the ternary cascade type heat pump system architecture principle schematic of motor driven three compressors of the present invention;
Fig. 3 b is the ternary cascade type heat pump system architecture principle schematic of two motor driven three compressors of the present invention;
Fig. 3 c is the ternary cascade type heat pump system architecture principle schematic of three motor driven three compressors of the present invention;
The schematic diagram of Fig. 4 a for being connected by belt pulley between engine of the present invention and the compressor;
The schematic diagram of Fig. 4 b for being connected by belt pulley between engine of the present invention and two compressors;
The schematic diagram of Fig. 4 c for being connected by belt pulley between engine of the present invention and three compressors.
The specific embodiment: preferred forms of the present invention is elaborated below in conjunction with accompanying drawing:
Embodiment 1: as shown in Figure 1a, the binary cascade type heat pump device of motor driven two compressors comprises binary cascade type heat pump system, engine system and water loop three parts composition.Shown in 1a, the binary cascade type heat pump system of motor driven two compressors comprises the high temperature level circulatory system and the low temperature level circulatory system.High temperature stage compressor 3-1, condenser 4, high temperature level reservoir 23-1, high temperature level choke valve 5-1, high temperature level cold-producing medium heater 14-1, condenser/evaporator 6, high temperature level gas-liquid separator 24-1, the first refrigerant side valve 25-1, the second refrigerant side valve 25-2 forms high temperature level refrigerant-cycle systems, high temperature stage compressor 3-1 connects condenser 4, condenser 4 connects high temperature level reservoir 23-1, the heat supply hot water outlet, high temperature level reservoir 23-1 connects high temperature level choke valve 5-1, high temperature level choke valve 5-1 connects high temperature level cold-producing medium heater 14-1 by the first refrigerant side valve 25-1, high temperature level cold-producing medium heater 14-1 connects condenser/evaporator 6 by the second refrigerant side valve 25-2, condenser/evaporator 6 connects high temperature level gas-liquid separator 24-1, and high temperature level gas-liquid separator 24-1 connects high temperature stage compressor 3-1; Low temperature stage compressor 3-2, condenser/evaporator 6, low temperature level reservoir 23-2, low temperature level choke valve 5-2, low temperature level cold-producing medium heater 14-2, evaporimeter 7, low temperature level gas-liquid separator 24-2, the 3rd refrigerant side valve 25-3, the 4th refrigerant side valve 25-4, the 5th refrigerant side valve 25-5, the 6th refrigerant side valve 25-6 forms low temperature level refrigerant-cycle systems, low temperature stage compressor 3-2 is by the 5th refrigerant side valve 25-5, the 6th refrigerant side valve 25-6 connects condenser/evaporator 6, condenser/evaporator 6 connects low temperature level reservoir 23-2, low temperature level reservoir 23-2 connects low temperature level choke valve 5-2, low temperature level choke valve 5-2 connects low temperature level cold-producing medium heater 14-2, low temperature level cold-producing medium heater 14-2 connects evaporimeter 7, evaporimeter 7 is the heat exchanger of cold-producing medium and water heat exchange, evaporimeter 7 connects low temperature level gas-liquid separator 24-2, low temperature level gas-liquid separator 24-2 connects low temperature stage compressor 3-2, is provided with the 3rd refrigerant side valve 25-3 between low temperature level reservoir 23-2 and the high temperature level cold-producing medium heater 14-1, the 4th refrigerant side valve 25-4.Engine system is made up of engine 1, engine cool heat exchanger 9, flue gas heat exchange device 8, water bypass 10, fuel control valve 11, engine 1 connects engine cool heat exchanger 9, be provided with water bypass 10 between engine 1 and the engine cool heat exchanger 9, engine cool heat exchanger 9 connects flue gas heat exchange device 8, flue gas heat exchange device 8 connects engine 1, engine 1 connects fuel control valve 11, and fuel control valve 11 connects fuels sources.The water side loop is by the threeway first control valve 17-1, the threeway second control valve 17-2, threeway the 5th control valve 17-5, threeway the tenth control valve 17-10, threeway the 11 control valve 17-11, threeway the 12 control valve 17-15, threeway the 13 control valve 17-16, stop valve or magnetic valve 20, the first water side valve door 26-1, the second water side valve door 26-2, the 3rd water side valve door 26-3, the 4th water side valve door 26-4 forms, the threeway first control valve 17-1 connects the delivery port of flue gas heat exchange device 8 respectively, threeway the tenth control valve 17-10, threeway the 5th control valve 17-5, the threeway second control valve 17-2 connects the water inlet of flue gas heat exchange device 8 respectively, the delivery port of engine cool heat exchanger 9, threeway the 5th control valve 17-5, threeway the tenth control valve 17-10 connects the threeway first control valve 17-1 respectively, threeway the 11 control valve 17-11 and domestic hot-water's outlet, threeway the 11 control valve 17-11 connects threeway the tenth control valve 17-10 respectively, condenser 4 and threeway the 13 control valve 17-16; Threeway the 12 control valve 17-15 connects the water inlet of engine cool heat exchanger 9 respectively, threeway the 13 control valve 17-16 and stop valve or magnetic valve 20, stop valve or magnetic valve 20 connect water supplement port, threeway the 13 control valve 17-16 connects threeway the 12 control valve 17-15 respectively, heat supply hot water and domestic hot-water's water return outlet, threeway the 11 control valve 17-11, threeway the 5th control valve 17-5 connects low temperature level cold-producing medium heater 14-2 respectively, the 3rd water side valve door 26-3, the 3rd water side valve door 26-3 connects the first water side valve door 26-1, the first water side valve door 26-1 connects cooling water inlet and high temperature level cold-producing medium heater 14-1, high temperature level cold-producing medium heater 14-1 connects the second water side valve door 26-2 respectively, the 4th water side valve door 26-4, the second water side valve door 26-2 connects coolant outlet.Be connected by driving gear 15, driven gear 16-1, clutch 2-1 between engine 1 and the compressor 3-1, be connected by driving gear 15, driven gear 16-2, clutch 2-2 between engine 1 and the compressor 3-2.Wherein the gear drive of driving gear and driven gear is connected and can replaces with the belt transmission of drive pulley and driven pulley.
During the system refrigerating operaton, the high temperature stage compressor does not move, clutch 2-1 disconnects, high temperature level cold-producing medium heater 14-1 makes condenser and uses, engine exhaust heat only is used for productive life hot water, cold-producing medium not heat exchange in low temperature level cold-producing medium heater 14-2, the 3rd water side valve door 26-3, the 4th water side valve door 26-4 closes, the first water side valve door 26-1, the second water side valve door 26-2 opens, the first refrigerant side valve 25-1, the second refrigerant side valve 25-2, the 5th refrigerant side valve 25-5 closes, the 3rd refrigerant side valve 25-3, the 4th refrigerant side valve 25-4, the 6th refrigerant side valve 25-6 opens, threeway the tenth control valve 17-10 left side path blockade.Cold-producing medium is in evaporimeter 7 and water heat exchange, after reducing, the temperature of water is sent to the air conditioner user refrigeration, the cold-producing medium endothermic gasification is after low temperature level gas-liquid separator 24-2 enters compressor 3-2, behind the boil down to high temperature and high pressure gas successively through the 6th refrigerant side valve 25-6, the 4th refrigerant side valve 25-4 enters high temperature level cold-producing medium heater 14-1, with the cooling water heat exchange, the cold-producing medium heat release is condensed after the 3rd refrigerant side valve 25-3 enters low temperature level reservoir 23-2, finishes kind of refrigeration cycle through the 5-2 throttling of low temperature level choke valve after low temperature level cold-producing medium heater 14-2 gets back to evaporimeter 7.Cooling water enters high temperature level cold-producing medium heater 14-1 heat absorption back by the first water side valve door 26-1 and is flowed out by the second water side valve door 26-2.Moisturizing enters engine cool heat exchanger 9 by valve 20 and backwater from threeway the 13 control valve 17-16 and reclaims the engine cool waste heats after threeway the 12 control valve 17-15 mixes, water outlet enters flue gas heat exchange device 8 through the threeway second control valve 17-2 and reclaims fume afterheat, and water outlet is produced the domestic hot-water after the threeway first control valve 17-1, threeway the tenth control valve 17-10 supply with the user earlier.
During heating operation, the recyclable engine exhaust heat of this system is used to produce domestic hot-water, heating and cooling agent, preheating heat supply hot water.This moment, the first water side valve door 26-1, the second water side valve door 26-2 closed, the 3rd water side valve door 26-3, the 4th water side valve door 26-4 open, the first refrigerant side valve 25-1, the second refrigerant side valve 25-2, the 5th refrigerant side valve 25-5 open, the 3rd refrigerant side valve 25-3, the 4th refrigerant side valve 25-4, the 6th refrigerant side valve 25-6 close, and the high temperature level system puts into operation.High temperature level cold-producing medium absorbs low temperature level cold-producing medium heat in condenser/evaporator 6, gasification is after high temperature level gas-liquid separator 24-1 enters high temperature stage compressor 3-1 compression, become the overheated gas of HTHP, entering condenses after condenser 4 heat releases enters high temperature level reservoir 23-1, through the 5-1 throttling of high temperature level choke valve after the first refrigerant side valve 25-1 enters high temperature level cold-producing medium heater 14-1, with hot water heat exchange, enter condenser/evaporator 6 through the second refrigerant side valve 25-2 again behind the partial gasification and finish the circulation of high temperature level from engine flue gas heat exchange device 8 and cooling heat exchanger 9; Low temperature level cold-producing medium in evaporimeter 7 with the water heat exchange, enter compressor 3-2 compression through low temperature level gas-liquid separator 24-2 after the gasification, become medium temperature and medium pressure gas after the 5th refrigerant side valve 25-5 enters condenser/evaporator 6, with the heat exchange of high temperature level cold-producing medium, enter low temperature level reservoir 23-2 after condensing, through the 5-2 throttling of low temperature level choke valve after low temperature level cold-producing medium heater 14-2 with from the hot water heat exchange of engine flue gas heat exchange device 8 and cooling heat exchanger 9, get back to evaporimeter 7 behind the partial gasification and finish the circulation of low temperature level.The water loop circulation is as follows: the backwater from heat supply and hot water user is divided into two-way in threeway the 13 control valve 17-16, one the tunnel through threeway the 11 control valve 17-11 and with after the water outlet of engine heat exchanger part mixes, continue to enter and give the user heat supply after condenser 4 is heated, another road in threeway the 12 control valve 17-15 with after moisturizing mixes again with from high temperature level cold-producing medium heater 14-1, the backwater of low temperature level cold-producing medium heater 14-2 is mixed into 9 heating of engine cool heat exchanger, water outlet enters flue gas heat exchange device 8 through the threeway second control valve 17-2 and is heated, water outlet is through the threeway first control valve 17-1, the tenth control valve 17-10 is divided into two-way in threeway, one the tunnel is used to produce user's hot water, and another road enters condenser 4 with user's backwater and continues to give the user heat supply after the heating after threeway the 11 control valve 17-11 place is mixed.The part hot water that comes out from the threeway first control valve 17-1, the threeway second control valve 17-2 converges the back punishes into two-way at threeway the 5th control valve 17-5 and is sent to high temperature level cold-producing medium heater 14-1, the agent of low temperature level cold-producing medium heater 14-2 heating and cooling respectively, and two heat exchanger water outlets mix the back and enter cooling heat exchanger 9 with backwater and continue circulation.
Embodiment 2: shown in Fig. 1 b, the binary cascade type heat pump device of two motor driven two compressors comprises binary cascade type heat pump system, engine system and water loop three parts composition.Binary cascade type heat pump system and refrigeration thereof, heating operation principle are substantially the same manner as Example 1, and difference is that two compressor 3-1,3-2 of system are driven by two engine 1-1,1-2 respectively.Engine system is made up of engine 1-1,1-2, engine cool heat exchanger 9-1,9-2, flue gas heat exchange device 8-1,8-2, water bypass 10-1,10-2, fuel control valve 11-1,11-2.Engine 1-1 connects engine cool heat exchanger 9-1, be provided with water bypass 10-1 between engine 1-1 and the engine cool heat exchanger 9-1, engine cool heat exchanger 9-1 connects flue gas heat exchange device 8-1, flue gas heat exchange device 8-1 connects engine 1-1, engine 1-1 connects fuel control valve 11-1, fuel control valve 11-1 connects fuels sources, engine 1-2 connects engine cool heat exchanger 9-2, be provided with water bypass 10-2 between engine 1-2 and the engine cool heat exchanger 9-2, engine cool heat exchanger 9-2 connects flue gas heat exchange device 8-2, flue gas heat exchange device 8-2 connects engine 1-2, engine 1-2 connects fuel control valve 11-2, and fuel control valve 11-2 connects fuels sources.The water side loop is by the threeway first control valve 17-1, the threeway second control valve 17-2, threeway the 3rd control valve 17-3, threeway the 4th control valve 17-4, threeway the 5th control valve 17-5, threeway the tenth control valve 17-10, threeway the 11 control valve 17-11, threeway the 12 control valve 17-15, threeway the 13 control valve 17-16, stop valve or magnetic valve 20, the first water side valve door 26-1, the second water side valve door 26-2, the 3rd water side valve door 26-3, the 4th water side valve door 26-4 forms, the threeway first control valve 17-1 connects the delivery port of flue gas heat exchange device 8-1 respectively, threeway the tenth control valve 17-10, threeway the 5th control valve 17-5, the threeway second control valve 17-2 connects the water inlet of flue gas heat exchange device 8-1 respectively, the delivery port of engine cool heat exchanger 9-1, threeway the 5th control valve 17-5, threeway the 3rd control valve 17-3 connects the delivery port of flue gas heat exchange device 8-2 respectively, threeway the tenth control valve 17-10, threeway the 5th control valve 17-5, threeway the 4th control valve 17-4 connects the water inlet of flue gas heat exchange device 8-2 respectively, the delivery port of engine cool heat exchanger 9-2, threeway the 5th control valve 17-5, threeway the tenth control valve 17-10 connects the threeway first control valve 17-1 respectively, threeway the 11 control valve 17-11 and domestic hot-water's outlet, threeway the 11 control valve 17-11 connects threeway the tenth control valve 17-10 respectively, condenser 4 and threeway the 13 control valve 17-16; Threeway the 12 control valve 17-15 connects the water inlet of engine cool heat exchanger 9-1 respectively, the water inlet of engine cool heat exchanger 9-2, threeway the 13 control valve 17-16 and stop valve or magnetic valve 20, stop valve or magnetic valve 20 connect water supplement port, threeway the 13 control valve 17-16 connects threeway the 12 control valve 17-15 respectively, heat supply hot water and domestic hot-water's water return outlet, threeway the 11 control valve 17-11, threeway the 5th control valve 17-5 connects low temperature level cold-producing medium heater 14-2 respectively, the 3rd water side valve door 26-3, the 3rd water side valve door 26-3 connects the first water side valve door 26-1, the first water side valve door 26-1 connects cooling water inlet and high temperature level cold-producing medium heater 14-1, high temperature level cold-producing medium heater 14-1 connects the second water side valve door 26-2 respectively, the 4th water side valve door 26-4, the second water side valve door 26-2 connects coolant outlet.Be connected by driving gear 15-1, driven gear 16-1, clutch 2-1 between engine 1-1 and the compressor 3-1, be connected by driving gear 15-2, driven gear 16-2, clutch 2-2 between engine 1-2 and the compressor 3-2.Wherein the gear drive of driving gear and driven gear is connected the belt transmission replacement of available drive pulley and driven pulley.Backwater from the user is divided into two-way through threeway the 13 control valve 17-16, one the tunnel through threeway the 11 control valve 17-11 be sent to condenser 4 heating after the part water outlet of threeway the tenth control valve 17-10 mixes and be sent to user's heat supply, mix with moisturizing at threeway the 12 control valve 17-15 place on another road, water outlet again with from high temperature level cold-producing medium heater 14-1, be divided into two-way after the backwater of low temperature level cold-producing medium heater 14-2 mixes and be sent to high temperature stage motor cooling heat exchanger 9-1 and low temperature stage motor cooling heat exchanger 9-2 absorption engine 2-1 respectively, the cooling residual heat of 2-2, the two-way water outlet is respectively through the threeway second control valve 17-2, threeway the 4th control valve 17-4 enters height, low temperature level flue gas heat exchange device 8-1,8-2 continues to absorb the engine fume afterheat, water outlet is through the threeway first control valve 17-1, threeway the 3rd control valve 17-3 also converges, punish into two-way at threeway the tenth control valve 17-10 then, one the tunnel is used to produce production hot water, another road threeway the 11 control valve 17-11 place with enter condenser 4 heating backs after backwater mixes and give user's heat supply, the threeway first control valve 17-1, the threeway second control valve 17-2, threeway the 3rd control valve 17-3, the part hot water that threeway the 4th control valve 17-4 tells mixes after threeway the 5th control valve 17-5 is sent to high temperature level cold-producing medium heater 14-1 respectively, the agent of low temperature level cold-producing medium heater 14-2 heating and cooling, the water outlet of two heaters mix the back and continue circulation with threeway the 12 control valve 17-15 water outlet.
Embodiment 3: shown in Fig. 2 a, it is substantially the same manner as Example 1, and its difference is to have increased high and low temperature level Recuperative heat exchanger 12-1,12-2 in binary cascade type heat pump system.Connect high temperature level Recuperative heat exchanger 12-1 between high temperature level reservoir 23-1 and the high temperature level choke valve 5-1 and between high temperature level gas-liquid separator 24-1 and the condenser/evaporator 6, connect low temperature level Recuperative heat exchanger 12-2 between low temperature level reservoir 23-2 and the low temperature level choke valve 5-2 and between low temperature level gas-liquid separator 24-2 and the evaporimeter 7; Evaporimeter 7 is air-cooled evaporimeter.
During the system refrigerating operaton, the high temperature stage compressor does not move, clutch 2-1 disconnects, high temperature level cold-producing medium heater 14-1 makes condenser and uses, engine exhaust heat only is used to produce the domestic hot-water, cold-producing medium not heat exchange in low temperature level cold-producing medium heater 14-2, the 3rd water side valve door 26-3, the 4th water side valve door 26-4 closes, the first water side valve door 26-1, the second water side valve door 26-2 opens, the first refrigerant side valve 25-1, the second refrigerant side valve 25-2, the 5th refrigerant side valve 25-5 closes, the 3rd refrigerant side valve 25-3, the 4th refrigerant side valve 25-4, the 6th refrigerant side valve 25-6 opens, threeway the tenth control valve 17-10 left side path blockade.Air can be sent to the air conditioner user refrigeration after evaporimeter 7 heat releases, after gasifying therein, cold-producing medium enters the cold-producing medium heat that low temperature level Recuperative heat exchanger 12-2 absorption is come out from low temperature level reservoir 23-2, enter compressor 3-2 compression through low temperature level gas-liquid separator 24-2, become behind the high temperature and high pressure gas successively through the 6th refrigerant side valve 25-6, the 4th refrigerant side valve 25-4 enters high temperature level cold-producing medium heater 14-1, with the cooling water heat exchange, cold-producing medium after heat release is condensed therein successively through the 3rd refrigerant side valve 25-3, low temperature level reservoir 23-2 enters low temperature level Recuperative heat exchanger 12-2 and continues heat release to increase the cold-producing medium degree of supercooling, finishes kind of refrigeration cycle through the 5-2 throttling of low temperature level choke valve after low temperature level cold-producing medium heater 14-2 gets back to evaporimeter 7 again.Cooling water enters high temperature level cold-producing medium heater 14-1 heat absorption back by the first water side valve door 26-1 and is flowed out by valve 26-2.In water loop, moisturizing is mixed into engine cool heat exchanger 9 by valve 20 and backwater from threeway the 13 control valve 17-16 through threeway the 12 control valve 17-15, and enter flue gas heat exchange device 8 through the threeway second control valve 17-2, flow out the back and produces the domestic hot-water after the threeway first control valve 17-1, threeway the tenth control valve 17-10 supply with the user earlier.
During heating operation, the recyclable engine exhaust heat of system is produced the water that domestic hot-water, heating and cooling agent, regenerator section enter condenser 4, with further raising heating capacity and leaving water temperature.The first water side valve door 26-1 when heating, the second water side valve door 26-2 closes, the 3rd water side valve door 26-3, the 4th water side valve door 26-4 opens, the first refrigerant side valve 25-1, the second refrigerant side valve 25-2, the 5th refrigerant side valve 25-5 opens, the 3rd refrigerant side valve 25-3, the 4th refrigerant side valve 25-4, the 6th refrigerant side valve 25-6 closes, the high temperature level system puts into operation, high temperature level cold-producing medium in condenser/evaporator 6 with the heat exchange of low temperature level cold-producing medium, after raising and to be gasified totally, temperature enters the heat that high temperature level Recuperative heat exchanger 12-1 absorbs the cold-producing medium that high temperature level reservoir 23-1 comes out, again after high temperature level gas-liquid separator 24-1 enters the overheated gas that compressor 3-1 is compressed into HTHP, condense after high temperature level reservoir 23-1 enters high temperature level Recuperative heat exchanger 12-1 in condenser 4 heat releases, again by the 5-1 throttling of high temperature level choke valve after valve 25-1 enter high temperature level cold-producing medium heater 14-1 with from the hot water heat exchange of engine cool heat exchanger 9 and flue gas heat exchange device 8, enter condenser/evaporator 6 through the second refrigerant side valve 25-2 and finish the circulation of high temperature level; Low temperature level cold-producing medium in evaporimeter 7 with the air heat exchange, gasification is after low temperature level Recuperative heat exchanger 12-2, low temperature level gas-liquid separator 24-2 enter low temperature stage compressor 3-2 compression, become high temperature and high pressure gas after the 5th refrigerant side valve 25-5 enters condenser/evaporator 6, with the heat exchange of high temperature level cold-producing medium, come out after low temperature level reservoir 23-2 enters low temperature level Recuperative heat exchanger 12-2, after entering low temperature level cold-producing medium heater 14-2 and absorb the engine section waste heat after the low temperature level choke valve 5-2 throttling, get back to evaporimeter 7 and finish the circulation of low temperature level.In water loop, backwater from heat supply and hot water user is divided into two-way in threeway the 13 control valve 17-16, one the tunnel through threeway the 11 control valve 17-11 with after threeway the tenth control valve 17-10 part water outlet mixes, continue to enter and give the user heat supply after condenser 4 is heated, another road in threeway the 12 control valve 17-15 with after moisturizing mixes again with from height, low temperature level cold-producing medium heater 14-1, after mixing, the backwater of 14-2 enters 9 heating of engine cool heat exchanger, water outlet enters flue gas heat exchange device 8 through the threeway second control valve 17-2 and is heated, water outlet is through the threeway first control valve 17-1, threeway the tenth control valve 17-10 also punishes into two-way at threeway the tenth control valve 17-10, one the tunnel is used to produce the domestic hot-water, another road enters condenser 4 with user's backwater and continues heating back supply heat supply user after threeway the 11 control valve 17-11 place is mixed, from the threeway first control valve 17-1, the threeway second control valve 17-2 comes out, and part hot water mixes after be sent to height respectively after threeway the 5th control valve 17-5 shunting, low temperature level cold-producing medium heater 14-1, the agent of 14-2 heating and cooling, two heat exchanger water outlets mix the back and enter cooling heat exchanger 9 continuation circulations with backwater.
Embodiment 4: shown in Fig. 2 b, the binary cascade type heat pump device of two motor driven two compressors comprises binary cascade type heat pump system, engine system and water loop three parts composition.Binary cascade type heat pump system and refrigeration thereof, heating operation principle are substantially the same manner as Example 3, its difference is that two compressor 3-1,3-2 of engine system are driven by two engine 1-1,1-2 respectively, and the structure of the engine system of the structure of its engine system and embodiment 2 is identical.Its principle is referring to referring to embodiment 3 and embodiment 2.
Embodiment 5: shown in Fig. 3 a, the ternary cascade type heat pump device of platform motor driven three compressors comprises ternary cascade type heat pump system, engine system and water loop three parts composition.It is substantially the same manner as Example 3, and its difference is that the cascade type heat pump system is a ternary cascade type heat pump system, comprises high temperature level, middle temperature level and three cold-producing medium circulations of low temperature level.Wherein, form the circulation of high temperature level cold-producing medium by high temperature stage compressor 3-1, condenser 4, high temperature level reservoir 23-1, high temperature level Recuperative heat exchanger 12-1, high temperature level choke valve 5-1, high temperature level gas-liquid separator 24-1, high temperature level condenser/evaporator 6-1; Low temperature stage compressor 3-2, condenser/evaporator 6, low temperature level Recuperative heat exchanger 12-2, low temperature level reservoir 23-2, low temperature level choke valve 5-2, low temperature level cold-producing medium heater 14-2, low temperature level gas-liquid separator 24-2, evaporimeter 7, the 3rd refrigerant side valve 25-3, the 4th refrigerant side valve 25-4, the 5th refrigerant side valve 25-5, the 6th refrigerant side valve 25-6 form the circulation of low temperature level cold-producing medium; In warm stage compressor 3-3, high temperature level condenser/evaporator 6-1, condenser/evaporator 6, middle temperature level Recuperative heat exchanger 12-3, middle temperature level reservoir 23-3, middle temperature level choke valve 5-3, cold-producing medium heater 14-1, middle temperature level gas-liquid separator 24-3, the first refrigerant side valve 25-1, the second refrigerant side valve 25-2 form in warm grade cold-producing medium circulate.Be connected by driving tooth wheels 15-1, driven gear 16-1, clutch 2-1 between engine 1 and the compressor 3-1, be connected by driving tooth wheels 15-1, driven gear 16-2, clutch 2-2 between engine 1 and the compressor 3-2, be connected by driving tooth wheels 15-1, driven gear 16-3, clutch 2-3 between engine 1 and the compressor 3-3.Wherein the driving tooth wheels and the driven gear kind of drive can replace with the drive pulley and the driven pulley kind of drive.
During the system refrigerating operaton, high, in warm stage compressor 3-1,3-3 does not move, clutch 2-1,2-3 disconnects, cold-producing medium heater 14-1 makes condenser and uses, engine exhaust heat only is used to produce the domestic hot-water, cold-producing medium not heat exchange in low temperature level cold-producing medium heater 14-2, the 3rd water side valve door 26-3, the 4th water side valve door 26-4 closes, the first refrigerant side valve 25-1, the second refrigerant side valve 25-2, the 5th refrigerant side valve 25-5 closes, the 3rd refrigerant side valve 25-3, the 4th refrigerant side valve 25-4, the 6th refrigerant side valve 25-6 opens, threeway the tenth control valve 17-10 left side path blockade.Cold-producing medium absorbs the heat of air in evaporimeter 7, after reducing, the temperature of air is sent to the air conditioner user refrigeration, enter compressor 3-2 compression through low temperature level Recuperative heat exchanger 12-2 through low temperature level gas-liquid separator 24-2 behind the cold-producing medium endothermic gasification, become high temperature and high pressure gas after the 6th refrigerant side valve 25-6, the 4th refrigerant side valve 25-4 enters cold-producing medium heater 14-1, with the cooling water heat exchange, cold-producing medium heat release is therein condensed after the 3rd refrigerant side valve 25-3 enters low temperature level reservoir 23-2, enter low temperature level Recuperative heat exchanger 12-2 again, after low temperature level choke valve 5-2 throttling, get back to evaporimeter 7 by low temperature level cold-producing medium heater 14-2 and finish the cold-producing medium circulation.Cooling water enters cold-producing medium heater 14-1 heat absorption back by the first water side valve door 26-1 and is flowed out by the second water side valve door 26-2.Moisturizing enters engine cool heat exchanger 9 through valve 20 and backwater from threeway the 13 control valve 17-16 and absorbs cooling residual heats after threeway the 12 control valve 17-15 mixes, and enter flue gas heat exchange device 8 through the threeway second control valve 17-2, flow out the back and produces the domestic hot-water after the threeway first control valve 17-1, threeway the tenth control valve 17-10 supply with the user earlier.
During heating operation, the recyclable engine exhaust heat of system is used to produce domestic hot-water, heating and cooling agent, regenerator section heat supply hot water.When heating, the first water side valve door 26-1, the second water side valve door 26-2 close, the 3rd water side valve door 26-3, the 4th water side valve door 26-4 open, the first refrigerant side valve 25-1, the second refrigerant side valve 25-2, the 5th refrigerant side valve 25-5 open, the 3rd refrigerant side valve 25-3, the 4th refrigerant side valve 25-4, the 6th refrigerant side valve 25-6 close, and high, middle temperature level system puts into operation simultaneously.High temperature level cold-producing medium in high temperature level condenser/evaporator 6-1 with the heat exchange of middle temperature level cold-producing medium, temperature enters the overheated gas that compressor 3-1 is compressed into HTHP through high temperature level Recuperative heat exchanger 12-1, high temperature level gas-liquid separator 24-1 after raising successively, enter then that condenser 4 heat releases are condensed after high temperature level reservoir 23-1 enters high temperature level Recuperative heat exchanger 12-1, after high temperature level choke valve 5-1 throttling, enter high temperature level condenser/evaporator 6-1 again and finish the circulation of high temperature level; In temperature level cold-producing medium in condenser/evaporator 6 with the heat exchange of low temperature level cold-producing medium, temperature level Recuperative heat exchanger 12-3 in entering after temperature raises, a temperature level gas-liquid separator 24-3 enters compressor 3-3 compression again in the warp, become enter that high temperature level condenser/evaporator 6-1 heat release is condensed behind the overheated gas of higher temperatures high pressure after a middle temperature level reservoir 23-3 enter in temperature level Recuperative heat exchanger 12-3, through in the choke valve 5-3 throttling of temperature level after valve 25-1 enters cold-producing medium heater 14-1 and part hot water heat exchange from engine cool heat exchanger 9 and flue gas heat exchange device 8, the cold-producing medium heat absorption after valve 25-2 enter condenser/evaporator 6 finish in the circulation of temperature level; Low temperature level cold-producing medium in evaporimeter 7 with the air heat exchange, after the gasification through low temperature level Recuperative heat exchanger 12-2, low temperature level gas-liquid separator 24-2 enters compressor 3-2 compression, become medium temperature and medium pressure gas after valve 25-5 enters condenser/evaporator 6, condense with the heat exchange of middle temperature level cold-producing medium, enter low temperature level reservoir 23-2 after coming out, low temperature level Recuperative heat exchanger 12-2, after low temperature level choke valve 5-2 throttling, enter low temperature level cold-producing medium heater 14-2 with from the part hot water heat exchange of engine cool heat exchanger 9 and flue gas heat exchange device 8, return evaporimeter 7 and finish the circulation of low temperature side cold-producing medium.In the water loop, backwater from heat supply user is divided into two-way in threeway the 13 control valve 17-16, one the tunnel in threeway the 11 control valve 17-11 with enter condenser 4 heat absorptions after part water outlet from threeway the tenth control valve 17-10 mixes and supply with users, mix with moisturizing in threeway the 12 control valve 17-15 on another road, again with high temperature level cold-producing medium heater 14-1, after mixing, the backwater of low temperature level cold-producing medium heater 14-2 enters 9 heating of engine cool heat exchanger, water outlet continues to enter flue gas heat exchange device 8 through the threeway second control valve 17-2 and is heated, the water that comes out from flue gas heat exchange device 8 is through the threeway first control valve 17-1, threeway the tenth control valve 17-10 also is divided into two-way again at threeway the tenth control valve 17-10 place, one the tunnel is used to produce the domestic hot-water, and to continue the heating back be user's heat supply through threeway the 11 control valve 17-11 and with entering condenser 4 after the certain customers backwater mixes for another road.The part hot water that comes out from the threeway first control valve 17-1, the threeway second control valve 17-2 mixes after threeway the 5th control valve 17-5 is sent to high and low temperature level cold-producing medium heater 14-1, the agent of 14-2 heating and cooling respectively after shunting, and two heat exchanger water outlets mix the back and enter cooling heat exchanger 9 continuation circulations with backwater.
Embodiment 6: shown in Fig. 3 b, the ternary cascade type heat pump device of two motor driven three compressors comprises ternary cascade type heat pump system, engine system and water loop three parts composition.Ternary cascade type heat pump system and refrigeration thereof, heating operation principle are substantially the same manner as Example 5, its difference is that three compressor 3-1,3-2 of engine system, 3-3 are driven by two engine 1-1,1-2 respectively, and the structure of the engine system of the structure of its engine system and embodiment 2 is basic identical.Its principle is referring to referring to embodiment 5 and embodiment 2.
During refrigeration, engine exhaust heat only is used to produce the domestic hot-water, moisturizing is divided into two-way at threeway the 6th control valve 17-6 with the backwater of threeway the 6th control valve 17-6 through valve 20 and enters engine cool heat exchanger 9-1 respectively after threeway the 12 control valve 17-15 mixes, engine cool heat exchanger 9-2, then respectively through threeway the 4th control valve 17-4, threeway the 9th control valve 17-12 enters flue gas heat exchange device 8-2, flue gas heat exchange device 8-1, after the outflow respectively through threeway the 3rd control valve 17-3, the threeway first control valve 17-1 supplies with the user through threeway the tenth control valve 17-10 again and produces the domestic hot-water.
During heating operation, heat supply and hot water backwater from the user are divided into two-way in threeway the 13 control valve 17-16, one the tunnel enters condenser 4 heating with part water outlet from threeway the tenth control valve 17-10 after threeway the 11 control valve 17-11 mixes provide user's heat supply hot water, another road in threeway the 12 control valve 17-15 with after moisturizing mixes again with low temperature level cold-producing medium heater 14-2, cold-producing medium heater 14-1 backwater mixes after threeway the 6th control valve 17-6 is divided into two-way, enter engine cool heat exchanger 9-1 respectively, engine cool heat exchanger 9-2 absorbs cooling residual heat, water outlet is respectively through threeway the 4th control valve 17-4, threeway the 9th control valve 17-12 continues to enter flue gas heat exchange device 8-2, flue gas heat exchange device 8-1 is heated, from flue gas heat exchange device 8-2, the water that flue gas heat exchange device 8-1 comes out is respectively through the threeway first control valve 17-1, converge behind threeway the 3rd control valve 17-3 and be incorporated in threeway the tenth control valve 17-10 place and be divided into two-way again, one the tunnel is used for directly producing the domestic hot-water, another road through threeway the 11 control valve 17-11 with enter condenser 4 after the certain customers backwater mixes and continue heating back heat supplies.Come out the mixing of part hot water after threeway the 5th control valve 17-5 is sent to cold-producing medium heater 14-1, the agent of low temperature level cold-producing medium heater 14-2 heating and cooling respectively after shunting from the threeway first control valve 17-1, threeway the 9th control valve 17-12, threeway the 3rd control valve 17-3, threeway the 4th control valve 17-4, and two heat exchanger water outlets mix the back and continue circulation with backwater.
Embodiment 7: shown in Fig. 3 c, the ternary cascade type heat pump device of three motor driven three compressors comprises ternary cascade type heat pump system, engine system and water loop three parts composition.Ternary cascade type heat pump system and refrigeration thereof, the heating operation principle is substantially the same manner as Example 5, its difference is three compressor 3-1 of engine system, compressor 3-2, compressor 3-3 is respectively by three engine 1-1, engine 1-2, engine 1-3 drives, and engine system is by engine 1-1, engine 1-2, engine 1-3, engine cool heat exchanger 9-1, engine cool heat exchanger 9-2, engine cool heat exchanger 9-3, flue gas heat exchange device 8-1, flue gas heat exchange device 8-2, flue gas heat exchange device 8-3, water bypass 10-1, water bypass 10-2, water bypass 10-3, fuel control valve 11-1, fuel control valve 11-2, fuel control valve 11-3 forms.Engine 1-3 connects engine cool heat exchanger 9-3, be provided with water bypass 10-3 between engine 1-3 and the engine cool heat exchanger 9-3, engine cool heat exchanger 9-3 connects flue gas heat exchange device 8-3, flue gas heat exchange device 8-3 connects engine 1-3, engine 1-3 connects fuel control valve 11-3, and fuel control valve 11-3 connects fuels sources.Threeway the 8th control valve 17-9 connects the delivery port of flue gas heat exchange device 8-3 respectively, threeway the tenth control valve 17-10, threeway the 5th control valve 17-5, threeway the 9th control valve 17-12 connects the water inlet of flue gas heat exchange device 8-3 respectively, the delivery port of engine cool heat exchanger 9-3, threeway the 5th control valve 17-5, threeway the 7th control valve 17-7 is the water inlet of engine cool heat exchanger 9-3 respectively, the water inlet of engine cool heat exchanger 9-1, threeway the 6th control valve 17-6, pass through driving gear 15-3 between engine 1-3 and the compressor 3-3, driven gear 16-3, clutch 2-3 connects, and wherein the gear transmission mode of driving gear and driven gear can replace with drive pulley and driven pulley belt transmissioning mode.The structure of the engine system of the structure of all the other engine systems and embodiment 2 is basic identical.Its principle is referring to referring to embodiment 6 and embodiment 2.
During the system refrigerating operaton, high temperature stage compressor 3-1, in warm stage compressor 3-3 do not move, clutch 2-1, clutch 2-3 disconnects, cold-producing medium heater 14-1 makes condenser and uses, engine exhaust heat only is used to produce the domestic hot-water, cold-producing medium not heat exchange in low temperature level cold-producing medium heater 14-2, the 3rd water side valve door 26-3, the 4th water side valve door 26-4 closes, the first water side valve door 26-1, the second water side valve door 26-2 opens, the first refrigerant side valve 25-1, the second refrigerant side valve 25-2, the 5th refrigerant side valve 25-5 closes, the 3rd refrigerant side valve 25-3, the 4th refrigerant side valve 25-4, the 6th refrigerant side valve 25-6 opens, threeway the tenth control valve 17-10 left side path blockade.Cold-producing medium absorbs the heat of air in evaporimeter 7, after reducing, the temperature of air can be sent to the air conditioner user refrigeration, after the cold-producing medium gasification through low temperature level Recuperative heat exchanger 12-2, low temperature level gas-liquid separator 24-2 enters compressor 3-2 compression, become high temperature and high pressure gas after the 6th refrigerant side valve 25-6, the 4th refrigerant side valve 25-4 enters cold-producing medium heater 14-1, with the cooling water heat exchange, pass through the 3rd refrigerant side valve 25-3 after the cold-producing medium heat release therein again through low temperature level reservoir 23-2, Recuperative heat exchanger 12-2, after the low temperature level choke valve 5-2 throttling, get back to evaporimeter 7 through low temperature level cold-producing medium heater 14-2 again and finish kind of refrigeration cycle.In water loop, cooling water enters cold-producing medium heater 14-1 heat absorption back by the first water side valve door 26-1 and is flowed out by the second water side valve door 26-2.Moisturizing mixes after threeway the 12 control valve 17-15 with backwater from threeway the 13 control valve 17-16 through valve 20, punish into two-way at threeway the 6th control valve 17-6 again, one the tunnel enters engine cool heat exchanger 9-2, another road is divided into two-way through threeway the 7th control valve 17-7 and enters engine cool heat exchanger 9-1 respectively, engine cool heat exchanger 9-3, enter engine cool heat exchanger 9-1, engine cool heat exchanger 9-2, the water of engine cool heat exchanger 9-3 is respectively through the threeway second control valve 17-2, threeway the 4th control valve 17-4, threeway the 9th control valve 17-12 enters flue gas heat exchange device 8-1, flue gas heat exchange device 8-2, flue gas heat exchange device 8-3, water outlet is through the threeway first control valve 17-1, threeway the 3rd control valve 17-3, supply with the user through threeway the tenth control valve 17-10 again after converging behind threeway the 8th control valve 17-9 and produce the domestic hot-water.
During heating operation, the recyclable engine exhaust heat of system is used to produce domestic hot-water, heating and cooling agent, preheating heat supply water.The first water side valve door 26-1, the second water side valve door 26-2 close when heating, the 3rd water side valve door 26-3, the 4th water side valve door 26-4 open, the first refrigerant side valve 25-1, the second refrigerant side valve 25-2, the 5th refrigerant side valve 25-5 open, the 3rd refrigerant side valve 25-3, the 4th refrigerant side valve 25-4, the 6th refrigerant side valve 25-6 close, and high, middle temperature level system puts into operation simultaneously.High temperature level cold-producing medium in high temperature level condenser/evaporator 6-1 with the heat exchange of middle temperature level cold-producing medium, temperature raises after high temperature level Recuperative heat exchanger 12-1, enter the overheated gas that compressor 3-1 is compressed into HTHP after entering high temperature level gas-liquid separator 24-1 again, enter condenser 4 heat releases after high temperature level reservoir 23-1 enters high temperature level Recuperative heat exchanger 12-1, after high temperature level choke valve 5-1 throttling, enter high temperature level condenser/evaporator 6-1 again and finish the circulation of high temperature level; In temperature level cold-producing medium in condenser/evaporator 6 with the heat exchange of low temperature level cold-producing medium, temperature level Recuperative heat exchanger 12-3 in entering after temperature raises, a temperature level gas-liquid separator 24-3 enters compressor 3-3 and is compressed into the higher overheated gas of temperature and pressure in the warp, enter that high temperature level condenser/evaporator 6-1 heat release is condensed after a middle temperature level reservoir 23-3 enter again in temperature level Recuperative heat exchanger 12-3, through in the choke valve 5-3 throttling of temperature level after after the first refrigerant side valve 25-1 enters cold-producing medium heater 14-1 heating, again through the second refrigerant side valve 25-2 enter condenser/evaporator 6 finish in the temperature level circulate; Low temperature level cold-producing medium in evaporimeter 7 with the air heat exchange, enter compressor 3-2 compression through low temperature level cold-producing medium Recuperative heat exchanger 12-2 heat absorption through low temperature level gas-liquid separator 24-2 after the gasification, enter condenser/evaporator 6 after becoming medium temperature and medium pressure gas, with the heat exchange of middle temperature level cold-producing medium, enter low temperature level reservoir 23-2 after coming out, after low temperature level cold-producing medium Recuperative heat exchanger 12-2 heat release, finish the circulation of low temperature side cold-producing medium through the 5-2 throttling of low temperature level choke valve after low temperature level cold-producing medium heater 14-2 gets back to evaporimeter 7 again.In the water loop, backwater from heat supply and hot water user is divided into two-way in threeway the 13 control valve 17-16, one the tunnel mixes with part water outlet from threeway the tenth control valve 17-10 after threeway the 11 control valve 17-11 enters condenser 4 adds the heat supply user and heat, mix with low temperature level cold-producing medium heater 14-2 and cold-producing medium heater 14-1 backwater after threeway the 6th control valve 17-6 is divided into two-way in threeway the 12 control valve 17-15 with after moisturizing mixes on another road again, wherein one the tunnel enter engine cool heat exchanger 9-2 heating, water outlet continues to enter flue gas heat exchange device 8-2 through threeway the 4th control valve 17-4 and is heated, another road of being come out by threeway the 6th control valve 17-6 is punished into two-way at threeway the 7th control valve 17-7 and is entered engine cool heat exchanger 9-1 respectively, engine cool heat exchanger 9-3 heating, the threeway second control valve 17-2 is passed through in water outlet respectively, threeway the 9th control valve 17-12 enters flue gas heat exchange device 8-1, flue gas heat exchange device 8-3, from flue gas heat exchange device 8-1, flue gas heat exchange device 8-2, the water that flue gas heat exchange device 8-3 comes out is respectively through the threeway first control valve 17-1, the 3rd control valve 17-3, converge behind threeway the 8th control valve 17-9, be divided into two-way again at threeway the tenth control valve 17-10 place then, one the tunnel is used for directly producing the domestic hot-water, and another road and part heat supply backwater are mixed into condenser 4 through threeway the 11 control valve 17-11 to be continued to be used for heat supply after the heat absorption.Come out to enter cold-producing medium heater 14-1 and the agent of low temperature level cold-producing medium heater 14-2 heating and cooling after part hot water mixes from the threeway first control valve 17-1, the threeway second control valve 17-2, threeway the 8th control valve 17-9, threeway the 9th control valve 17-12, threeway the 3rd control valve 17-3, threeway the 4th control valve 17-4, the backwater that comes out from two cold-producing medium heaters continues to get back to each cooling heat exchanger circulation heating.
In the foregoing description, evaporimeter can be heat exchanger forms such as board-like, shell-and-tube, sleeve pipe, finned tube, with the medium of cold-producing medium heat exchange can corresponding selection air, a kind of in the secondary media such as ethylene glycol solution, water, water also can be underground water, lake water, river etc.; Engine can be the special fuel engine, also can be dual fuel engine; Compressor can be opened compressor, helical-lobe compressor, centrifugal compressor etc.; Condenser can adopt the shell-and-tube, bushing type of water-cooled, the heat exchanger of form such as board-like; Choke valve can be thermodynamic valve, electric expansion valve etc.
In the foregoing description, be connected with driven gear by driving gear or gear train between engine and the compressor and carry out transmission of power, also can adopt drive pulley and driven pulley belt transmissioning mode between engine and the compressor, with Fig. 4 a is that example describes: promptly on engine 1 output shaft driving pulley 18 is housed, compressor 3 power shafts are connected with clutch 2, clutch 2 other ends are connected with driven pulley 19, and driven pulley 19 is realized transmission of power with driving pulley 18 by belt 13.With Fig. 4 b is that example describes: promptly on engine 1 output shaft driving pulley 18 is housed, compressor 3-1, compressor 3-2 power shaft are connected with clutch 2-1, clutch 2-2 respectively, clutch 2-1, the clutch 2-2 other end are connected with driven pulley 19-1, driven pulley 19-2 respectively, and driven pulley 19-1, driven pulley 19-2 and driving pulley 18 are realized transmission of power by belt 13.With Fig. 4 c is that example describes: promptly on engine 1 output shaft driving pulley 18 is housed, compressor 3-1, compressor 3-2, compressor 3-3 power shaft are connected with clutch 2-1, clutch 2-2, clutch 2-3 respectively, clutch 2-1, clutch 2-2, the clutch 2-3 other end are connected with driven pulley 19-1, driven pulley 19-2, driven pulley 19-3 respectively, and driven pulley 19-1, driven pulley 19-2, driven pulley 19-3 and driving pulley 18 are realized transmission of power by belt 13.Whether clutch on-off has determined whether connected compressor puts into operation.
Superposition type compressing hot pump of the present invention is heating, need fill suitable cold-producing medium during refrigerating operaton.Three-way control valve bypass aperture will be carried out comprehensive adjustment according to parameter situations such as device refrigerating capacity, heating capacity and refrigerant superheat degree in the water side loop.The high temperature level of the cascade type heat pump system among the present invention and low temperature level should preferentially adopt pure cold-producing medium of the same race or mix refrigerant, and the water in the water side loop drives current downflow at external pump.

Claims (6)

1. engine-driven cascade type heat pump device, it comprises the cascade type heat pump system, at least one engine system and water loop three parts, it is characterized in that described cascade type heat pump system comprises the high temperature level circulatory system and the low temperature level circulatory system, the high temperature stage compressor, condenser, high temperature level reservoir, high temperature level choke valve, high temperature level cold-producing medium heater, condenser/evaporator, high temperature level gas-liquid separator, the first refrigerant side valve (25-1), the second refrigerant side valve (25-2) is formed high temperature level refrigerant-cycle systems, the high temperature stage compressor connects condenser (4), condenser 4 connects high temperature level reservoir, the heat supply hot water outlet, high temperature level reservoir connects high temperature level choke valve, high temperature level choke valve connects high temperature level cold-producing medium heater by the first refrigerant side valve (25-1), high temperature level cold-producing medium heater connects condenser/evaporator by the second refrigerant side valve (25-2), condenser/evaporator connects high temperature level gas-liquid separator, and high temperature level gas-liquid separator connects the high temperature stage compressor; The low temperature stage compressor, condenser/evaporator, low temperature level reservoir, low temperature level choke valve, low temperature level cold-producing medium heater, evaporimeter (7), low temperature level gas-liquid separator, the 3rd refrigerant side valve (25-3), the 4th refrigerant side valve (25-4), the 5th refrigerant side valve (25-5), the 6th refrigerant side valve (25-6) is formed low temperature level refrigerant-cycle systems, the low temperature stage compressor is by the 5th refrigerant side valve (25-5), the 6th refrigerant side valve (25-6) connects condenser/evaporator, condenser/evaporator connects low temperature level reservoir, low temperature level reservoir connects low temperature level choke valve, low temperature level choke valve connects low temperature level cold-producing medium heater, low temperature level cold-producing medium heater connects evaporimeter (7), evaporimeter (7) connects low temperature level gas-liquid separator, low temperature level gas-liquid separator connects the low temperature stage compressor, be provided with the 3rd refrigerant side valve (25-3) between low temperature level reservoir and the high temperature level cold-producing medium heater, the 4th refrigerant side valve (25-4), each engine system is by an engine, an engine cool heat exchanger, a flue gas heat exchange device, a water bypass, a fuel control valve is formed, each engine connects an engine cool heat exchanger, be provided with a water bypass between each engine and the engine cool heat exchanger, the delivery port of each engine cool heat exchanger connects the water inlet of a flue gas heat exchange device, each flue gas heat exchange device connects an engine, each engine connects a fuel control valve, the water side loop is by three-way control valve, stop valve or magnetic valve (20), the first water side valve door (26-1), the second water side valve door (26-2), the 3rd water side valve door (26-3), the 4th water side valve door (26-4) is formed, the delivery port of each flue gas heat exchange device all connects threeway the tenth control valve (17-10) by three-way control valve, threeway the 5th control valve (17-5), threeway the tenth control valve (17-10) connects threeway the 11 control valve (17-11) and user's hot water respectively, threeway the 11 control valve (17-11) connects condenser (4) and threeway the 13 control valve (17-16) respectively, the delivery port of each engine cool heat exchanger all connects three-way control valve (17-5) by three-way control valve, the water inlet of each engine cool heat exchanger connects the 4th water side valve door (26-4, low temperature level cold-producing medium heater, threeway the 12 control valve (17-15), threeway the 12 control valve (17-15) connects threeway the 13 control valve (17-16) and stop valve or magnetic valve (20) respectively, stop valve or magnetic valve (20) connect water supplement port, threeway the 13 control valve (17-16) connects water return outlet respectively, threeway the 11 control valve (17-11), threeway the 5th control valve (17-5) connects low temperature level cold-producing medium heater respectively, the 3rd water side valve door (26-3), the 3rd water side valve door (26-3) connects the first water side valve door (26-1), the first water side valve door (26-1) connects cooling water inlet and high temperature level cold-producing medium heater, high temperature level cold-producing medium heater connects the second water side valve door (26-2) respectively, the 4th water side valve door (26-4), the second water side valve door (26-2) connects coolant outlet, is in transmission connection between engine and the compressor.
2. a kind of engine-driven cascade type heat pump device according to claim 1, it is characterized in that described cascade type heat pump system also comprise in the temperature level circulatory system, in warm stage compressor, condenser, middle temperature level reservoir, middle temperature level choke valve, high temperature level cold-producing medium heater, condenser/evaporator, middle temperature level gas-liquid separator, the first refrigerant side valve (25-1), temperature level refrigerant-cycle systems during the second refrigerant side valve (25-2) is formed, in warm stage compressor connect another condenser/evaporator, temperature level reservoir during another condenser/evaporator connects, temperature grade choke valve during middle temperature level reservoir connects, middle temperature level choke valve connects high temperature level cold-producing medium heater by the first refrigerant side valve (25-1), high temperature level cold-producing medium heater connects condenser/evaporator by the second refrigerant side valve (25-2), temperature level gas-liquid separator during condenser/evaporator connects, warm stage compressor during middle temperature level gas-liquid separator connects.
3. a kind of engine-driven cascade type heat pump device according to claim 1, it is characterized in that between described high temperature level reservoir and the high temperature level choke valve and condenser/evaporator and high temperature level gas-liquid separator between be provided with high temperature level Recuperative heat exchanger.
4. a kind of engine-driven cascade type heat pump device according to claim 1, it is characterized in that between described low temperature level reservoir and the low temperature level choke valve and evaporimeter and low temperature level gas-liquid separator between be provided with low temperature level Recuperative heat exchanger.
5. a kind of engine-driven cascade type heat pump device according to claim 1, temperature level Recuperative heat exchanger in it is characterized in that being provided with between described middle temperature level reservoir and the middle temperature level choke valve and between condenser/evaporator and the middle temperature grade gas-liquid separator.
6. a kind of engine-driven cascade type heat pump device according to claim 1, it is characterized in that comprising in the described engine system more than one engine, be connected one, two of motor driven or three compressors between engine and the compressor by belt pulley or gear train and clutch.
CN 201110122667 2011-05-03 2011-05-03 Engine-driven cascade heat pump device Expired - Fee Related CN102226596B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201110122667 CN102226596B (en) 2011-05-03 2011-05-03 Engine-driven cascade heat pump device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201110122667 CN102226596B (en) 2011-05-03 2011-05-03 Engine-driven cascade heat pump device

Publications (2)

Publication Number Publication Date
CN102226596A true CN102226596A (en) 2011-10-26
CN102226596B CN102226596B (en) 2013-07-17

Family

ID=44807583

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201110122667 Expired - Fee Related CN102226596B (en) 2011-05-03 2011-05-03 Engine-driven cascade heat pump device

Country Status (1)

Country Link
CN (1) CN102226596B (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014082069A1 (en) 2012-11-26 2014-05-30 Thermo King Corporation Auxiliary subcooling circuit for a transport refrigeration system
CN105674627A (en) * 2016-03-28 2016-06-15 侴乔力 Steam modulator driven by water source heat pump
CN105841399A (en) * 2016-05-03 2016-08-10 侴乔力 Engine-driven water source compression type heat pump water vapor modulating machine
CN105972863A (en) * 2016-06-06 2016-09-28 侴乔力 Water vapor modulation machine with water source compression type heat pump driven by generator
TWI565921B (en) * 2015-06-25 2017-01-11 Multi-chamber refrigeration system with multi - cavity evaporator
US9845973B2 (en) 2015-12-15 2017-12-19 WinWay Tech. Co., Ltd. Cascade refrigeration system
CN108240722A (en) * 2018-03-21 2018-07-03 天津商业大学 A kind of multi-cycle variable-flow refrigeration system
CN108759142A (en) * 2018-07-02 2018-11-06 江苏奥斯康新能源有限公司 A kind of special overlapping air source high-temperature heat pump cooling/warming system
CN109579339A (en) * 2019-01-21 2019-04-05 天津商业大学 A kind of improved single-double stage mixed heat pump system
CN110260550A (en) * 2019-07-15 2019-09-20 中国建筑科学研究院有限公司 Cascade high-temperature heat pump unit
CN112484332A (en) * 2021-01-05 2021-03-12 烟台西建大环境科技有限公司 Cascade heat pump steam curing system for concrete prefabricated part and operation method thereof

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0336467A (en) * 1989-06-29 1991-02-18 Ebara Corp High temperature heat pump
CN1405516A (en) * 2002-09-26 2003-03-26 阎首弟 Cascade superhigh temperature water source heat pump apparatus
CN2682344Y (en) * 2003-12-11 2005-03-02 河南新飞电器有限公司 Heat pump installation for cold area
CN2758650Y (en) * 2004-12-28 2006-02-15 华南理工大学 Self-overlay air source heat pump water heater
CN101158507A (en) * 2007-10-26 2008-04-09 华南理工大学 Multiplex thermal storage type air source heat pump water heater
WO2010043829A2 (en) * 2008-10-17 2010-04-22 Orhan Togrul Heat pump
CN202100327U (en) * 2011-05-03 2012-01-04 烟台大学 Engine-driven overlapping type heat pump device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0336467A (en) * 1989-06-29 1991-02-18 Ebara Corp High temperature heat pump
CN1405516A (en) * 2002-09-26 2003-03-26 阎首弟 Cascade superhigh temperature water source heat pump apparatus
CN2682344Y (en) * 2003-12-11 2005-03-02 河南新飞电器有限公司 Heat pump installation for cold area
CN2758650Y (en) * 2004-12-28 2006-02-15 华南理工大学 Self-overlay air source heat pump water heater
CN101158507A (en) * 2007-10-26 2008-04-09 华南理工大学 Multiplex thermal storage type air source heat pump water heater
WO2010043829A2 (en) * 2008-10-17 2010-04-22 Orhan Togrul Heat pump
CN202100327U (en) * 2011-05-03 2012-01-04 烟台大学 Engine-driven overlapping type heat pump device

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104919259A (en) * 2012-11-26 2015-09-16 冷王公司 Auxiliary subcooling circuit for a transport refrigeration system
WO2014082069A1 (en) 2012-11-26 2014-05-30 Thermo King Corporation Auxiliary subcooling circuit for a transport refrigeration system
EP2923163A4 (en) * 2012-11-26 2016-09-28 Thermo King Corp Auxiliary subcooling circuit for a transport refrigeration system
TWI565921B (en) * 2015-06-25 2017-01-11 Multi-chamber refrigeration system with multi - cavity evaporator
US9845973B2 (en) 2015-12-15 2017-12-19 WinWay Tech. Co., Ltd. Cascade refrigeration system
CN105674627A (en) * 2016-03-28 2016-06-15 侴乔力 Steam modulator driven by water source heat pump
CN105841399A (en) * 2016-05-03 2016-08-10 侴乔力 Engine-driven water source compression type heat pump water vapor modulating machine
CN105972863A (en) * 2016-06-06 2016-09-28 侴乔力 Water vapor modulation machine with water source compression type heat pump driven by generator
CN108240722A (en) * 2018-03-21 2018-07-03 天津商业大学 A kind of multi-cycle variable-flow refrigeration system
CN108240722B (en) * 2018-03-21 2023-11-07 天津商业大学 Multi-circulation variable flow refrigerating system
CN108759142A (en) * 2018-07-02 2018-11-06 江苏奥斯康新能源有限公司 A kind of special overlapping air source high-temperature heat pump cooling/warming system
CN108759142B (en) * 2018-07-02 2023-04-25 江苏奥斯康新能源有限公司 Special cascade air source high-temperature heat pump cooling and heating system
CN109579339A (en) * 2019-01-21 2019-04-05 天津商业大学 A kind of improved single-double stage mixed heat pump system
CN110260550A (en) * 2019-07-15 2019-09-20 中国建筑科学研究院有限公司 Cascade high-temperature heat pump unit
CN112484332A (en) * 2021-01-05 2021-03-12 烟台西建大环境科技有限公司 Cascade heat pump steam curing system for concrete prefabricated part and operation method thereof

Also Published As

Publication number Publication date
CN102226596B (en) 2013-07-17

Similar Documents

Publication Publication Date Title
CN102226596B (en) Engine-driven cascade heat pump device
CN105841390B (en) A kind of gas driven air source heat pump thermal power plant unit for central heating system
LU102468B1 (en) Total heat recovery type integrated gas heat pump heat supply unit and application thereof
CN101458000B (en) Heat-driven refrigeration and power generation integration apparatus
CN103075841B (en) Based on heat pump new type low temperature combined cooling, heat and power System
CN100498128C (en) Low grade energy driven and mechanical power driven composite heat pump, refrigeration system
CN101799226A (en) Heat-gaining combined heat and power system
CN101551136B (en) Hot water preparation device using a boiler and an air heat source
CN202494245U (en) Engine driven three-stage compression heat pump device
CN110030770A (en) A kind of photovoltaic/photo-thermal coupled biological matter distributed energy resource system
CN105222404A (en) One utilizes solar energy-air energy heat pump
CN207065926U (en) The gas engine heat pump system that a kind of waste heat efficiently utilizes
CN202100327U (en) Engine-driven overlapping type heat pump device
CN107461276B (en) A kind of small distributed cooling heating and power generation system
CN210568833U (en) Combined heat and power type heating system
CN101865501B (en) Semi-hot recovery type GHP (Gross Horse Power) gas engine drive air conditioner/heat pump unit
CN103233821B (en) A kind of air temperature regulating system
CN114135398A (en) Gas turbine combined cycle power generation system and method under distributed energy environment
CN101285627A (en) Composite energy supply system and its hidden heat utilization method
CN108954821A (en) A kind of open type heat pump hot water preparation method of air circulation
CN103604248B (en) A kind of three use type earth source absorption type heat pump and operation method
CN203848548U (en) Multipurpose air source heat pump unit
CN217235920U (en) Lithium bromide refrigeration air conditioning system with double heat sources
CN113309612B (en) Combined cooling, heating and power system for coupling pressure energy, compressed air energy storage and solar energy
CN210951955U (en) High-efficient refrigerating system of cold water heat pump set

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130717

Termination date: 20170503