CN105180496B - A kind of multi-functional superposition type critical-cross carbon dioxide refrigerating/heat pump comprehensive experiment table - Google Patents
A kind of multi-functional superposition type critical-cross carbon dioxide refrigerating/heat pump comprehensive experiment table Download PDFInfo
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- CN105180496B CN105180496B CN201510700039.9A CN201510700039A CN105180496B CN 105180496 B CN105180496 B CN 105180496B CN 201510700039 A CN201510700039 A CN 201510700039A CN 105180496 B CN105180496 B CN 105180496B
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Abstract
The invention discloses a kind of multi-functional superposition type critical-cross carbon dioxide refrigerating/heat pump comprehensive experiment table.The present invention is formed by the carbon dioxide trans-critical cycle of high-temperature level and the carbon dioxide sub critical circulation overlapping of low-temperature level, there are water system and coolant system to form in integrated system high temperature level and low-temperature level, the switching in comprehensive experiment table between each system is realized by controlling the on off state of each refrigerant stop valve in refrigerant cut-off valve group；The on off state for operating corresponding refrigerant stop valve realizes the air-cooled refrigeration system of simulation superposition type critical-cross carbon dioxide, air source heat pump, water cooled refrigeration system, air-source reclaiming system for condensation heat, air-cooled liquid chillers system, water resource heat pump, water-cooled cooling water machine system system and water source reclaiming system for condensation heat.
Description
Technical field
The present invention relates to a kind of heat pump, more particularly to a kind of multi-functional superposition type critical-cross carbon dioxide cooling/heating
The comprehensive experimental system of pump.
Background technology
At present, the critical-cross carbon dioxide experimental system that colleges and universities use all is simple heat pump mostly, its function ratio
More single, the utilization rate of equipment is relatively low, is virtually just causing the huge wasting of resources；It is simultaneously scattered, function is single
Testing stand can take larger laboratory area；Each colleges and universities are badly in need of being integrated the single heat pump of function, are accounted for reducing
Ground area, the utilization rate of equipment is improved, reduce waste of the school in terms of experiment, lift the comprehensive utilization of school experiment equipment
Rate.
The content of the invention
For above-mentioned prior art, the invention provides a kind of multi-functional superposition type critical-cross carbon dioxide refrigerating/heat pump
Comprehensive experiment table, cooling condition and heating condition can be simulated, the air-cooled refrigeration with superposition type critical-cross carbon dioxide pattern
System, air source heat pump, water cooled refrigeration system, air-source reclaiming system for condensation heat, air-cooled liquid chillers system, water source heat
The functions such as pump, water-cooled cooling water machine system system and water source reclaiming system for condensation heat.
In order to solve the above-mentioned technical problem, the multi-functional superposition type critical-cross carbon dioxide refrigerating/heat pump synthesis of the present invention is real
Testing the technical scheme that platform is achieved is：
Including single entry air conditioner one, electric heater one, carbon dioxide finned tube exchanger one, refrigerant stop valve one, flow
Meter one, carbon dioxide shell-and-tube heat exchanger one, refrigerant stop valve two, carbon dioxide dry filter one, water pump one, flowmeter
2nd, the first attemperater, magnetic valve one, choke valve one, carbon dioxide high-temperature level gas-liquid separator, the compression of carbon dioxide high-temperature level
Machine, carbon dioxide high-temperature level oil eliminator, valve one, carbon dioxide evaporative condenser, flowmeter three, carbon dioxide dry filtering
Device two, carbon dioxide low-temperature level gas-liquid separator, carbon dioxide low-temperature level compressor, valve two, carbon dioxide low-temperature level oil
Changed from device, magnetic valve two, choke valve two, refrigerant stop valve three, single entry air conditioner two, electric heater two, carbon dioxide finned tube
Hot device two, refrigerant stop valve four, carbon dioxide shell-and-tube heat exchanger two, flowmeter four, the attemperater of water pump two and second；
The carbon dioxide high-temperature level compressor 15 have 1 outlet 3., No. 1 import 1. with No. 2 imports 2.；The titanium dioxide
1. No. 1 import of carbon high-temp level compressor 15 connects the exhaust outlet of carbon dioxide high-temperature level gas-liquid separator 14,2. No. 2 imports pass through
2. valve 1 is connected with No. 2 outlets of carbon dioxide high-temperature level oil eliminator 16,3. outlet connects carbon dioxide high-temperature level oil
The air inlet of separator 16；
The carbon dioxide high-temperature level oil eliminator 16 have 1 import 3., No. 1 outlet 1. with No. 2 outlet 2.；The dioxy
3. 3. the air inlet of change carbon high-temp level oil eliminator 16 connects the exhaust outlet of carbon dioxide high-temperature level compressor 15,1. No. 1 outlet divides
Do not changed by refrigerant stop valve 1 and refrigerant stop valve 27 with carbon dioxide finned tube exchanger 1 and carbon dioxide shell-and-tube
1. the refrigerant import of hot device 1 is connected, No. 2 export 2. No. 2 by valve 1 and carbon dioxide high-temperature level compressor 15
2. import is connected；
The outlet of the refrigerant stop valve 1 connects the import of carbon dioxide finned tube exchanger 1；The carbon dioxide wing
The outlet of piece heat exchange of heat pipe 1 connects the import of flowmeter 1；The outlet of the flowmeter 1 connects carbon dioxide and dries filter
One 8 import；The outlet of the carbon dioxide drying filter 1 connects the import of magnetic valve 1；The magnetic valve 1
Outlet connect the import of choke valve 1；The high-temperature level that the outlet of the choke valve 1 connects carbon dioxide evaporative condenser 18 is followed
The import of the working medium of ring is 1.；2. the outlet of the working medium of the high-temperature level circulation of the carbon dioxide evaporative condenser 18 connects high-temperature level two
The import of carbonoxide gas-liquid separator 14；The outlet of the high-temperature level carbon dioxide gas-liquid separator 14 connects high temperature grade carbon-dioxide
No. 1 import of compressor 15 is 1.；
The carbon dioxide shell-and-tube heat exchanger 1 have 1 refrigerant import 1., 1 refrigerant exit 2., a cooling water enters
Mouth 3. with 1 coolant outlet 4.；1. the refrigerant import of the carbon dioxide shell-and-tube heat exchanger 1 connects refrigerant stop valve 27
Outlet, 2. refrigerant exit connects the import of flowmeter 1, the outlet of the import of shell-side cooling water 3. water pump 1, cooling water
4. outlet connects the import of flowmeter two；
The carbon dioxide low-temperature level compressor 22 have 1 outlet 3., No. 1 import 1. with No. 2 imports 2.；The titanium dioxide
1. No. 1 import of carbon low-temperature level compressor 22 connects the exhaust outlet of carbon dioxide low-temperature level gas-liquid separator 21,2. No. 2 imports pass through
2. valve 2 23 is connected with No. 2 outlets of carbon dioxide low-temperature level oil eliminator 24,3. outlet connects carbon dioxide low-temperature level oil
The import of separator 24 is 3.；
The carbon dioxide low-temperature level oil eliminator 24 have 1 import 3., No. 1 outlet 1. with No. 2 outlet 2.；The dioxy
3. 3. the air inlet for changing carbon low-temperature level oil eliminator 24 connects the exhaust outlet of carbon dioxide low-temperature level compressor 22, No. 1 outlet 1. with
3. the import of the low-temperature level cycle fluid of carbon dioxide evaporative condenser 18 is connected, 2. No. 2 outlets pass through valve 2 23 and dioxy
2. No. 2 imports for changing carbon low-temperature level compressor 22 are connected；
4. the outlet of the low-temperature level cycle fluid of carbon dioxide evaporative condenser 18 connects the import of flowmeter 3 19；It is described
The outlet of flowmeter 3 19 connects the import that carbon dioxide dries filter 2 20；The carbon dioxide dries the outlet of filter two
Connect the import of magnetic valve 2 25；The outlet of the magnetic valve 2 25 connects the import of choke valve 2 26, and the outlet of choke valve 2 26 connects cold
The import of matchmaker's stop valve 3 27；The outlet of the refrigerant stop valve 3 27 connects the import of carbon dioxide finned tube exchanger 2 30；
The outlet of the carbon dioxide finned tube exchanger 2 30 connects the air inlet of low-temperature level carbon dioxide gas-liquid separator 21；
3. the outlet of the water pump 1 connects the water inlet of the shell-side of carbon dioxide shell-and-tube heat exchanger 1；The carbon dioxide
4. the delivery port of the shell-side of shell-and-tube heat exchanger 1 connects the import of flowmeter 2 10；The outlet of the flowmeter 2 10 meets the first guarantor
The water inlet of reservoir 11；The water inlet of the delivery port water pump one of first attemperater 11；
The carbon dioxide shell-and-tube heat exchanger 2 32 have 1 refrigerant import 1., 1 refrigerant exit 2., a water inlet
3. with 1 water out 4.；1. the refrigerant import of the carbon dioxide shell-and-tube heat exchanger 2 32 meets going out for refrigerant stop valve 4 31
Mouthful, 2. refrigerant exit connects the import of carbon dioxide low-temperature level gas-liquid separator 21,3. water pump 2 34 goes out for the import of shell-side water
Mouthful, 4. the outlet of water connects the import of flowmeter 4 33；
3. the outlet of the water pump 2 34 connects the water inlet of the shell-side of carbon dioxide shell-and-tube heat exchanger 2 32；The titanium dioxide
4. the delivery port of the shell-side of carbon shell-and-tube heat exchanger 2 32 connects the import of flowmeter 4 33；The outlet of the flowmeter 4 33 connects second
The water inlet of attemperater 35；The water inlet of the delivery port water pump two of second attemperater 35.
Wherein single entry air conditioner 1, electric heater 1 and carbon dioxide finned tube exchanger 1 set an insulation empty
In, the single entry air conditioner 2 28, electric heater 2 29 and carbon dioxide finned tube exchanger 2 30 are installed on another guarantor
In warm space.
Cutting between different experiments state is carried out by controlling the on off state of refrigerant stop valve in refrigerant cut-off valve group
Change；By controlling single entry air conditioner 1, single entry air conditioner 2 28, electric heater 1 and electric heater 2 29 to make simulated reservoir Wen Heng
It is fixed；According to the difference of system experimentation purpose, by controlling single entry air conditioner 1, single entry air conditioner 2 28, electric heater 1, electricity
Heater 2 29, the first attemperater 11 and the second attemperater 35 simulate cooling condition and heating condition；The titanium dioxide
Carbon finned tube exchanger 1, carbon dioxide finned tube exchanger 2 30, carbon dioxide shell-and-tube heat exchanger 1 and carbon dioxide
Shell-and-tube heat exchanger 2 32 is used for air cooling refrigeration system, the water-cooled system for realizing simulation superposition type critical-cross carbon dioxide pattern
Cooling system, air-cooled liquid chillers system, water-cooled cooling water machine system system, air source heat pump system, air-source condensing units
System, water source heat pump system and water source reclaiming system for condensation heat.
On the other hand, a kind of multi-functional superposition type critical-cross carbon dioxide refrigerating/heat pump comprehensive experiment table of the present invention and its
Experimental method is cut using above-mentioned novel multifunctional heat pump, Teat pump boiler and refrigeration unit experimental bench between following systems
Change, to simulate cooling condition and heating condition.
1) superposition type critical-cross carbon dioxide air cooling refrigeration system (air source heat pump)：Close the He of refrigerant stop valve 27
Refrigerant stop valve 4 31, refrigerant stop valve 1 and refrigerant stop valve 3 27 are opened, sees accompanying drawing 2；
2) superposition type critical-cross carbon dioxide water cooled refrigeration system (air-source reclaiming system for condensation heat)：Refrigerant is closed to cut
Only valve 1 and refrigerant stop valve 4 31, refrigerant stop valve 27 and refrigerant stop valve 3 27 are opened, sees accompanying drawing 3；
3) superposition type critical-cross carbon dioxide air-cooled liquid chillers system (water source heat pump system)：Close refrigerant stop valve
27 and refrigerant stop valve 3 27, refrigerant stop valve 1 and refrigerant stop valve 4 31 are opened, sees accompanying drawing 4；
4) superposition type critical-cross carbon dioxide water-cooled cooling water machine system system (water source reclaiming system for condensation heat)：Close refrigerant
Stop valve 1 and refrigerant stop valve 3 27, refrigerant stop valve 27 and refrigerant stop valve 4 31 are opened, sees accompanying drawing 5.
The refrigeration, the switching of heating condition are mainly by controlling single entry air-conditioner set and electric heater group to simulated reservoir temperature
It is adjusted, so as to realize that it mutually switches.
The valve 1 and valve 2 23 are chosen according to the purpose of experiment；The various operating modes, valve 1 should
According in high-temperature level carbon-dioxide gas compressor 15 lubricants capacity number opened and closed, to ensure high-temperature level carbon dioxide compression
The work of machine 15 normally and efficiently；Valve 2 23 should be according to how much progress of lubricants capacity in low-temperature level carbon-dioxide gas compressor 22
Open and close, to ensure the work of low-temperature level carbon-dioxide gas compressor 22 normally and efficiently；
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention overcomes disadvantages mentioned above, is faced by the carbon dioxide trans-critical cycle of high-temperature level and the carbon dioxide Asia of low-temperature level
Boundary's circulation overlapping forms, and has water system and coolant system to form in integrated system high temperature level and low-temperature level, can realize not
With the heat pump of form, water heater and refrigeration unit system.Simulation superposition type can be achieved by the switching of corresponding refrigerant stop valve
Air cooling refrigeration, water cooled refrigeration, air-cooled liquid chillers, water-cooled cold water unit, the air of critical-cross carbon dioxide pattern
The different systems such as source heat pump, air-source reclaiming system for condensation heat, water resource heat pump and water source condensing units.
Brief description of the drawings
Fig. 1 is a kind of multi-functional superposition type critical-cross carbon dioxide refrigerating/heat pump comprehensive experiment table schematic diagram of the present invention；
Fig. 2 is the schematic diagram of superposition type critical-cross carbon dioxide air cooling refrigeration (air source heat pump) system；
Fig. 3 is the schematic diagram of superposition type critical-cross carbon dioxide water cooled refrigeration (air-source condensing units) system；
Fig. 4 is the schematic diagram of superposition type critical-cross carbon dioxide air-cooled liquid chillers (water resource heat pump) system；
Fig. 5 is the schematic diagram of superposition type critical-cross carbon dioxide water-cooled cold water unit (water source condensing units) system.
Embodiment
The present invention is described in further detail with reference to embodiment.
As shown in figure 1, the present invention is a kind of novel and multifunctional superposition type critical-cross carbon dioxide refrigerating/heat pump Comprehensive Experiment
Platform, including single entry air conditioner 1, electric heater 1, carbon dioxide finned tube exchanger 1, refrigerant stop valve 1, flowmeter
One 5, carbon dioxide shell-and-tube heat exchanger 1, refrigerant stop valve 27, carbon dioxide dry filter 1, water pump 1, flow
Count the 2 10, first attemperater 11, magnetic valve 1, choke valve 1, carbon dioxide high-temperature level gas-liquid separator 14, titanium dioxide
Carbon high-temp level compressor 15, carbon dioxide high-temperature level oil eliminator 16, valve 1, carbon dioxide evaporative condenser 18, flow
Count 3 19, carbon dioxide and dry filter 2 20, carbon dioxide low-temperature level gas-liquid separator 21, carbon dioxide low-temperature level compressor
22nd, valve 2 23, carbon dioxide low-temperature level oil eliminator 24, magnetic valve 2 25, choke valve 2 26, refrigerant stop valve 3 27, list
Formula air conditioner 2 28, electric heater 2 29, carbon dioxide finned tube exchanger 2 30, refrigerant stop valve 4 31, carbon dioxide pipe
Shell heat exchanger 2 32, flowmeter 4 33, the attemperater 35 of water pump 2 34 and second；The carbon dioxide high-temperature level compressor 15
With carbon dioxide low-temperature level compressor 22 have respectively 1 outlet 3., No. 1 import 1. with No. 2 imports 2.；The carbon dioxide high temperature
Level oil eliminator 16 and carbon dioxide low-temperature level oil eliminator have respectively 1 import 3., No. 1 outlet 1. with No. 2 outlet 2.；It is described
Carbon dioxide shell-and-tube heat exchanger 1 and carbon dioxide shell-and-tube heat exchanger two have respectively 1 refrigerant import 1., 1 refrigerant goes out
Mouthful 2., a cooling water inlet 3. with 1 coolant outlet 4..
According to the difference of experiment purpose, by controlling the on off state of coolant media valve and regulation in coolant media valve group single
Formula air conditioner 1, single entry air conditioner 2 28, electric heater 1 and electric heater 2 29 simulate cooling condition and heating condition；
The carbon dioxide finned tube exchanger 1, carbon dioxide finned tube exchanger 2 30, carbon dioxide shell-and-tube heat exchanger 1
It is used to realize air cooling refrigeration, the water of simulating superposition type critical-cross carbon dioxide form with carbon dioxide shell-and-tube heat exchanger 2 32
Cold type refrigeration, air-cooled liquid chillers, water-cooled cold water unit, air source heat pump, air-source reclaiming system for condensation heat, water source heat
The different system such as pump and water source condensing units.
Described in detail below in conjunction with accompanying drawing and utilize a kind of above-mentioned novel and multifunctional superposition type critical-cross carbon dioxide cooling/heating
Pump comprehensive experiment table, realize and switched between following systems, to simulate kinds of experiments；
First, superposition type critical-cross carbon dioxide air cooling refrigeration (air source heat pump) system：As shown in Fig. 2 close refrigerant
Stop valve 27 and refrigerant stop valve 4 31, open refrigerant stop valve 1 and refrigerant stop valve 3 27；
High-temperature level circulates：3. the exhaust outlet of the high-temperature level carbon-dioxide gas compressor 15 connects the oil separation of high temperature grade carbon-dioxide
The import of device 16 is 3.；No. 1 of the high temperature grade carbon-dioxide oil eliminator 16 exports the import for 1. connecing refrigerant stop valve 1, No. 2
2. 2. outlet is connected by valve 1 with No. 2 imports of high-temperature level carbon-dioxide gas compressor 15；The refrigerant stop valve 1
Outlet connect the import of carbon dioxide finned tube exchanger 1；The outlet of the carbon dioxide finned tube exchanger 1 connects flow
Count one 5 import；The outlet of the flowmeter 1 connects the import that carbon dioxide dries filter 1；The carbon dioxide is dried
The outlet of filter 1 connects the import of magnetic valve 1；The outlet of the magnetic valve 1 connects the import of choke valve 1；Institute
State choke valve 1 outlet connect carbon dioxide evaporative condenser 18 high-temperature level circulation working medium import 1.；The titanium dioxide
2. the outlet of the working medium of the high-temperature level circulation of carbon evaporative condenser 18 connects the import of high-temperature level carbon dioxide gas-liquid separator 14；Institute
1. the outlet for stating high-temperature level carbon dioxide gas-liquid separator 14 connects No. 1 import of high-temperature level carbon-dioxide gas compressor 15；
Low-temperature level circulates：3. the exhaust outlet of the low-temperature level carbon-dioxide gas compressor 22 connects the oil separation of low temperature grade carbon-dioxide
The import of device 24 is 3.；1. No. 1 outlet of the low temperature grade carbon-dioxide oil eliminator 24 connects carbon dioxide evaporative condenser 18 low
The import of warm level cycle fluid 3., No. 2 outlets 2. by No. 2 imports of valve 2 23 and low-temperature level carbon-dioxide gas compressor 22 2.
It is connected；4. the outlet of the low-temperature level cycle fluid of carbon dioxide evaporative condenser 18 connects the import of flowmeter 3 19；It is described
The outlet of flowmeter 3 19 connects the import that carbon dioxide dries filter 2 20；The carbon dioxide dries the outlet of filter two
Connect the import of magnetic valve 2 25；The outlet of the magnetic valve 2 25 connects the import of choke valve 2 26, the outlet refrigerant of choke valve 2 26
The import of stop valve 3 27；The outlet of the refrigerant stop valve 3 27 connects the import of carbon dioxide finned tube exchanger 2 30；Institute
The outlet for stating carbon dioxide finned tube exchanger 2 30 connects the air inlet of low-temperature level carbon dioxide gas-liquid separator 21；The low temperature
1. the exhaust outlet of grade carbon-dioxide gas-liquid separator 21 connects the air inlet of low-temperature level carbon-dioxide gas compressor 22；
The selection and keying of the valve 1 and valve 2 23 are determined on a case-by-case basis；
The circulation can be according to the difference of experiment purpose and respectively as superposition type critical-cross carbon dioxide air cooling refrigeration
System and superposition type Trans-critical cycle air source heat pump system.
2nd, superposition type critical-cross carbon dioxide water cooled refrigeration (air-source condensing units) system：As shown in figure 3, close
Refrigerant stop valve 1 and refrigerant stop valve 4 31 are closed, opens refrigerant stop valve 27 and refrigerant stop valve 3 27；
In the high-temperature level circulation of superposition type critical-cross carbon dioxide water cooled refrigeration (air-source condensing units) system
It is divided into refrigerant circulation and water circulation；
Refrigerant circulation：3. the exhaust outlet of the high-temperature level carbon-dioxide gas compressor 15 connects high temperature grade carbon-dioxide oil eliminator
16 import is 3.；No. 1 of the high temperature grade carbon-dioxide oil eliminator 16 exports the import for 1. connecing refrigerant stop valve 27, and No. 2 go out
2. 2. mouth is connected by valve 1 with No. 2 imports of high-temperature level carbon-dioxide gas compressor 15；The refrigerant stop valve 27
1. outlet connects the refrigerant import of carbon dioxide shell-and-tube heat exchanger 1；The refrigerant of the carbon dioxide shell-and-tube heat exchanger 1 goes out
2. mouth connects the import of flowmeter 1；The outlet of the flowmeter 1 connects the import that carbon dioxide dries filter 1；Described two
The outlet of carbonoxide device for drying and filtering 1 connects the import of magnetic valve 1；The outlet of the magnetic valve 1 connects choke valve one
13 import；The outlet of the choke valve 1 connects the import of the working medium of the high-temperature level circulation of carbon dioxide evaporative condenser 18
①；2. the outlet of the working medium of the high-temperature level circulation of the carbon dioxide evaporative condenser 18 connects the separation of high-temperature level carbon dioxide gas-liquid
The import of device 14；The outlet of the high-temperature level carbon dioxide gas-liquid separator 14 connects the air inlet of high-temperature level carbon-dioxide gas compressor 15
Mouth is 1.；
Water circulation：3. the outlet of the water pump 1 connects the water inlet of the shell-side of carbon dioxide shell-and-tube heat exchanger 1；It is described
4. the delivery port of the shell-side of carbon dioxide shell-and-tube heat exchanger 1 connects the import of flowmeter 2 10；The outlet of the flowmeter 2 10
Connect the water inlet of the first attemperater 11；The water inlet of the delivery port water pump one of first attemperater 11；
Low-temperature level circulates：3. the exhaust outlet of the low-temperature level carbon-dioxide gas compressor 22 connects the oil separation of low temperature grade carbon-dioxide
The import of device 24 is 3.；1. No. 1 outlet of the low temperature grade carbon-dioxide oil eliminator 24 connects carbon dioxide evaporative condenser 18 low
The import of warm level cycle fluid 3., No. 2 outlets 2. by No. 2 imports of valve 2 23 and low-temperature level carbon-dioxide gas compressor 22 2.
It is connected；4. the outlet of the low-temperature level cycle fluid of carbon dioxide evaporative condenser 18 connects the import of flowmeter 3 19；It is described
The outlet of flowmeter 3 19 connects the import that carbon dioxide dries filter 2 20；The carbon dioxide dries the outlet of filter two
Connect the import of magnetic valve 2 25；The outlet of the magnetic valve 2 25 connects the import of refrigerant stop valve 3 27；The refrigerant stop valve
3 27 outlet connects the import of carbon dioxide finned tube exchanger 2 30；The outlet of the carbon dioxide finned tube exchanger 2 30
Connect the air inlet of low-temperature level carbon dioxide gas-liquid separator 21；The exhaust outlet of the low-temperature level carbon dioxide gas-liquid separator 21 connects
The air inlet of low-temperature level carbon-dioxide gas compressor 22 is 1.；
The selection and keying of the valve 1 and valve 2 23 are determined on a case-by-case basis；
The circulation can be according to the difference of experiment purpose and respectively as superposition type critical-cross carbon dioxide water cooled refrigeration
System and superposition type Trans-critical cycle air-source reclaiming system for condensation heat.
3rd, superposition type critical-cross carbon dioxide air-cooled liquid chillers (water resource heat pump) system：As shown in figure 4, close cold
Matchmaker's stop valve 27 and refrigerant stop valve 3 27, open refrigerant stop valve 1 and refrigerant stop valve 4 31；
High-temperature level circulates：3. the exhaust outlet of the high-temperature level carbon-dioxide gas compressor 15 connects the oil separation of high temperature grade carbon-dioxide
The import of device 16 is 3.；No. 1 of the high temperature grade carbon-dioxide oil eliminator 16 exports the import for 1. connecing refrigerant stop valve 1, No. 2
2. 2. outlet is connected by valve 1 with No. 2 imports of high-temperature level carbon-dioxide gas compressor 15；The refrigerant stop valve 1
Outlet connect the import of carbon dioxide finned tube exchanger 1；The outlet of the carbon dioxide finned tube exchanger 1 connects flow
Count one 5 import；The outlet of the flowmeter 1 connects the import that carbon dioxide dries filter 1；The carbon dioxide is dried
The outlet of filter 1 connects the import of magnetic valve 1；The outlet of the magnetic valve 1 connects the import of choke valve 1；Institute
State choke valve 1 outlet connect carbon dioxide evaporative condenser 18 high-temperature level circulation working medium import 1.；The titanium dioxide
2. the outlet of the working medium of the high-temperature level circulation of carbon evaporative condenser 18 connects the import of high-temperature level carbon dioxide gas-liquid separator 14；Institute
1. the outlet for stating high-temperature level carbon dioxide gas-liquid separator 14 connects No. 1 import of high-temperature level carbon-dioxide gas compressor 15；
It is divided into the low-temperature level circulation of superposition type critical-cross carbon dioxide air-cooled liquid chillers (water resource heat pump) system
Refrigerant circulation and water circulation；
Refrigerant circulation：3. the exhaust outlet of the low-temperature level carbon-dioxide gas compressor 22 connects low temperature grade carbon-dioxide oil eliminator
24 import is 3.；1. No. 1 outlet of the low temperature grade carbon-dioxide oil eliminator 24 connects the low temperature of carbon dioxide evaporative condenser 18
3., 2. No. 2 outlets pass through No. 2 imports of valve 2 23 and low-temperature level carbon-dioxide gas compressor 22 2. phase for the import of level cycle fluid
Connection；4. the outlet of the low-temperature level cycle fluid of carbon dioxide evaporative condenser 18 connects the import of flowmeter 3 19；The stream
The outlet of gauge 3 19 connects the import that carbon dioxide dries filter 2 20；The outlet that the carbon dioxide dries filter two connects
The import of magnetic valve 2 25；The outlet of the magnetic valve 2 25 connects the import of refrigerant stop valve 4 31；The refrigerant stop valve four
1. 31 outlet connects the import of carbon dioxide shell-and-tube heat exchanger 2 32；The outlet of the carbon dioxide shell-and-tube heat exchanger 2 32
2. connect the air inlet of low-temperature level carbon dioxide gas-liquid separator 21；The exhaust outlet of the low-temperature level carbon dioxide gas-liquid separator 21
Connect the air inlet of low-temperature level carbon-dioxide gas compressor 22 1.；
Water circulation：3. the outlet of the water pump 2 34 connects the water inlet of the shell-side of carbon dioxide shell-and-tube heat exchanger 2 32；Institute
4. the delivery port for stating the shell-side of carbon dioxide shell-and-tube heat exchanger 2 32 connects the import of flowmeter 4 33；The flowmeter 4 33 goes out
Mouth connects the water inlet of the second attemperater 35；The water inlet of the delivery port water pump two of second attemperater 35；
The selection and keying of the valve 1 and valve 2 23 are determined on a case-by-case basis；
The circulation can be according to the difference of experiment purpose and respectively as the air-cooled cold water of superposition type critical-cross carbon dioxide
Machine set system and superposition type Trans-critical cycle water source heat pump system.
4th, superposition type critical-cross carbon dioxide water-cooled cold water unit (water source condensing units) system：As shown in figure 5,
Refrigerant stop valve 1 and refrigerant stop valve 3 27 are closed, opens refrigerant stop valve 27 and refrigerant stop valve 4 31；
High-temperature level refrigerant circulation：3. the exhaust outlet of the high-temperature level carbon-dioxide gas compressor 15 connects high temperature grade carbon-dioxide oil
The import of separator 16 is 3.；1. No. 1 outlet of the high temperature grade carbon-dioxide oil eliminator 16 meets entering for refrigerant stop valve 27
Mouthful, 2. 2. No. 2 outlets are connected by valve 1 with No. 2 imports of high-temperature level carbon-dioxide gas compressor 15；The refrigerant is cut
Only 1. the outlet of valve 27 connects the refrigerant import of carbon dioxide shell-and-tube heat exchanger 1；The carbon dioxide shell-and-tube heat exchanger one
2. 6 refrigerant exit connects the import of flowmeter 1；The outlet of the flowmeter 1 connects carbon dioxide and dries entering for filter 1
Mouthful；The outlet of the carbon dioxide drying filter 1 connects the import of magnetic valve 1；The outlet of the magnetic valve 1 connects
The import of choke valve 1；The outlet of the choke valve 1 connects the working medium of the high-temperature level circulation of carbon dioxide evaporative condenser 18
Import 1.；2. the outlet of the working medium of the high-temperature level circulation of the carbon dioxide evaporative condenser 18 connects high-temperature level carbon dioxide gas
The import of liquid/gas separator 14；The outlet of the high-temperature level carbon dioxide gas-liquid separator 14 connects high-temperature level carbon-dioxide gas compressor 15
Air inlet 1.；
Water circulation：3. the outlet of the water pump 1 connects the water inlet of the shell-side of carbon dioxide shell-and-tube heat exchanger 1；It is described
4. the delivery port of the shell-side of carbon dioxide shell-and-tube heat exchanger 1 connects the import of flowmeter 2 10；The outlet of the flowmeter 2 10
Connect the water inlet of the first attemperater 11；The water inlet of the delivery port water pump one of first attemperater 11；
Low-temperature level refrigerant circulation：3. the exhaust outlet of the low-temperature level carbon-dioxide gas compressor 22 connects low temperature grade carbon-dioxide oil
The import of separator 24 is 3.；1. No. 1 outlet of the low temperature grade carbon-dioxide oil eliminator 24 connects carbon dioxide evaporative condenser
3., 2. No. 2 outlets are entered by valve 2 23 and low-temperature level carbon-dioxide gas compressor 22 No. 2 for the import of 18 low-temperature level cycle fluids
2. mouth is connected；4. the outlet of the low-temperature level cycle fluid of carbon dioxide evaporative condenser 18 connects the import of flowmeter 3 19；
The outlet of the flowmeter 3 19 connects the import that carbon dioxide dries filter 2 20；The carbon dioxide dries filter two
Outlet connects the import of magnetic valve 2 25；The outlet of the magnetic valve 2 25 connects the import of refrigerant stop valve 4 31；The refrigerant is cut
Only 1. the outlet of valve 4 31 connects the import of carbon dioxide shell-and-tube heat exchanger 2 32；The carbon dioxide shell-and-tube heat exchanger 2 32
Outlet 2. connect the air inlet of low-temperature level carbon dioxide gas-liquid separator 21；The low-temperature level carbon dioxide gas-liquid separator 21
1. exhaust outlet connects the air inlet of low-temperature level carbon-dioxide gas compressor 22；
Water circulation：3. the outlet of the water pump 2 34 connects the water inlet of the shell-side of carbon dioxide shell-and-tube heat exchanger 2 32；Institute
4. the delivery port for stating the shell-side of carbon dioxide shell-and-tube heat exchanger 2 32 connects the import of flowmeter 4 33；The flowmeter 4 33 goes out
Mouth connects the water inlet of the second attemperater 35；The water inlet of the delivery port water pump two of second attemperater 35；
The selection and keying of the valve 1 and valve 2 23 are determined on a case-by-case basis；
The circulation can be according to the difference of experiment purpose and respectively as superposition type critical-cross carbon dioxide water-cooled cold water
Machine set system and superposition type Trans-critical cycle water source reclaiming system for condensation heat.
Although above in conjunction with figure, invention has been described, and the invention is not limited in above-mentioned specific embodiment party
Formula, above-mentioned embodiment is only schematical, rather than restricted, and one of ordinary skill in the art is in this hair
Under bright enlightenment, without deviating from the spirit of the invention, many variations can also be made, these belong to the guarantor of the present invention
Within shield.
Claims (1)
1. a kind of multi-functional superposition type critical-cross carbon dioxide refrigerating/heat pump comprehensive experiment table, it is characterised in that described comprehensive real
Platform is tested to be made up of the high-temperature level circulatory system and the low-temperature level circulatory system；
The high-temperature level circulatory system includes：Single entry air conditioner one (1), electric heater one (2), carbon dioxide finned tube exchanger one
(3), refrigerant stop valve one (4), flowmeter one (5), carbon dioxide shell-and-tube heat exchanger one (6), refrigerant stop valve two (7), two
Carbonoxide device for drying and filtering one (8), water pump one (9), the attemperater of flowmeter two (10) first (11), magnetic valve one (12), section
Flow valve one (13), carbon dioxide high-temperature level gas-liquid separator (14), carbon dioxide high-temperature level compressor (15), carbon dioxide high temperature
Level oil eliminator (16), valve one (17) and carbon dioxide evaporative condenser (18)；
The carbon dioxide high-temperature level compressor (15) have 1 outlet 3., No. 1 import 1. with No. 2 imports 2.；The carbon dioxide
No. 1 import of high-temperature level compressor (15) 1. connects the exhaust outlet of carbon dioxide high-temperature level gas-liquid separator (14), 2. No. 2 imports are led to
Cross valve one (17) with No. 2 outlets of carbon dioxide high-temperature level oil eliminator (16) to be 2. connected, 3. outlet connects carbon dioxide height
The air inlet of warm level oil eliminator (16)；
The carbon dioxide high-temperature level oil eliminator (16) have 1 import 3., No. 1 outlet 1. with No. 2 outlet 2.；The titanium dioxide
The import of carbon high-temp level oil eliminator (16) 3. connects the exhaust outlet of carbon dioxide high-temperature level compressor (15) 3., 1. No. 1 outlet divides
Do not pass through refrigerant stop valve one (4) and refrigerant stop valve two (7) and carbon dioxide finned tube exchanger one (3) and carbon dioxide pipe
The refrigerant import of shell heat exchanger one (6) is 1. connected, 2. No. 2 outlets are compressed by valve one (17) and carbon dioxide high-temperature level
No. 2 imports of machine (15) are 2. connected；
The carbon dioxide shell-and-tube heat exchanger one (6) have 1 refrigerant import 1., 1 refrigerant exit 2., a cooling water inlet
3. with 1 coolant outlet 4.；The refrigerant import of the carbon dioxide shell-and-tube heat exchanger one (6) 1. connects refrigerant stop valve two
(7) 2. outlet, refrigerant exit connect the import of flowmeter one (5), the outlet of the import of shell-side cooling water 3. water pump one (9),
4. the outlet of cooling water connects the import of flowmeter two；
The outlet of the refrigerant stop valve one (4) connects the import of carbon dioxide finned tube exchanger one (3)；The carbon dioxide wing
The outlet of piece heat exchange of heat pipe one (3) connects the import of flowmeter one (5)；The outlet of the flowmeter one (5) connects carbon dioxide drying
The import of filter one (8)；The outlet of the carbon dioxide drying filter one (8) connects the import of magnetic valve one (12)；It is described
The outlet of magnetic valve one (12) connects the import of choke valve one (13)；The outlet of the choke valve one (13) connects carbon dioxide evaporation
The import of the working medium of the high-temperature level circulation of condenser (18) is 1.；The high-temperature level circulation of the carbon dioxide evaporative condenser (18)
2. the outlet of working medium connects the import of high-temperature level carbon dioxide gas-liquid separator (14)；The high-temperature level carbon dioxide gas-liquid separator
(14) outlet connects No. 1 import of high-temperature level carbon-dioxide gas compressor (15) 1.；
The low-temperature level circulatory system includes：Flowmeter three (19), carbon dioxide dry filter two (20), carbon dioxide low temperature
Level gas-liquid separator (21), carbon dioxide low-temperature level compressor (22), valve two (23), carbon dioxide low-temperature level oil eliminator
(24), magnetic valve two (25), choke valve two (26), refrigerant stop valve three (27), single entry air conditioner two (28), electric heater two
(29), carbon dioxide finned tube exchanger two (30), refrigerant stop valve four (31), carbon dioxide shell-and-tube heat exchanger two (32),
Flowmeter four (33), water pump two (34) and the second attemperater (35)；
The carbon dioxide low-temperature level compressor (22) have 1 outlet 3., No. 1 import 1. with No. 2 imports 2.；The carbon dioxide
No. 1 import of low-temperature level compressor (22) 1. connects the exhaust outlet of carbon dioxide low-temperature level gas-liquid separator (21), 2. No. 2 imports are led to
Cross valve two (23) with No. 2 outlets of carbon dioxide low-temperature level oil eliminator (24) to be 2. connected, 3. outlet connects carbon dioxide low
The import of warm level oil eliminator (24) is 3.；
The carbon dioxide low-temperature level oil eliminator (24) have 1 import 3., No. 1 outlet 1. with No. 2 outlet 2.；The titanium dioxide
The import of carbon low-temperature level oil eliminator (24) 3. connects the exhaust outlet of carbon dioxide low-temperature level compressor (22) 3., No. 1 outlet 1. with
3. the import of carbon dioxide evaporative condenser (18) low-temperature level cycle fluid is connected, No. 2 outlet 2. by valve two (23) with
No. 2 imports of carbon dioxide low-temperature level compressor (22) are 2. connected；
The carbon dioxide shell-and-tube heat exchanger two (32) have 1 refrigerant import 1., 1 refrigerant exit 2., a water inlet 3.
With 1 water out 4.；The refrigerant import of the carbon dioxide shell-and-tube heat exchanger two (32) 1. connects refrigerant stop valve four (31)
2. outlet, refrigerant exit connect the import of carbon dioxide low-temperature level gas-liquid separator (21), the import of shell-side water 3. water pump two
(34) 4. outlet, the outlet of water connect the import of flowmeter four (33)；
4. the outlet of carbon dioxide evaporative condenser (18) low-temperature level cycle fluid connects the import of flowmeter three (19)；The flow
The outlet of three (19) of meter connects the import that carbon dioxide dries filter two (20)；The carbon dioxide dries the outlet of filter two
Connect the import of magnetic valve two (25)；The outlet of the magnetic valve two (25) connects choke valve two (26) import, choke valve two (26)
Outlet connects the import of refrigerant stop valve three (27)；The outlet of the refrigerant stop valve three (27) connects carbon dioxide finned tube exchanger
The import of two (30)；The outlet of the carbon dioxide finned tube exchanger two (30) connects low-temperature level carbon dioxide gas-liquid separator
(21) air inlet；
3. the outlet of the water pump one (9) connects the water inlet of carbon dioxide shell-and-tube heat exchanger one (6) shell-side；The carbon dioxide
4. the delivery port of shell-and-tube heat exchanger one (6) shell-side connects the import of flowmeter two (10)；The outlet of the flowmeter two (10) connects
The water inlet of first attemperater (11)；The water inlet of the delivery port water pump one of first attemperater (11)；
3. the outlet of the water pump two (34) connects the water inlet of carbon dioxide shell-and-tube heat exchanger two (32) shell-side；The titanium dioxide
4. the delivery port of carbon shell-and-tube heat exchanger two (32) shell-side connects the import of flowmeter four (33)；The outlet of the flowmeter four (33)
Connect the water inlet of the second attemperater (35)；The water inlet of the delivery port water pump two of second attemperater (35).
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| CN105674621A (en) * | 2016-03-31 | 2016-06-15 | 天津众石睿哲科技有限责任公司 | Domestic energy comprehensive utilization system with carbon dioxide as refrigerant |
| CN106023773B (en) * | 2016-07-12 | 2018-08-24 | 天津商业大学 | Central air-conditioning synthesis experiment platform based on vapour compression refrigeration 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 |
| CN109163470B (en) * | 2018-10-19 | 2023-09-19 | 中国铁路设计集团有限公司 | Ultralow-temperature carbon dioxide cold and hot water unit |
| CN109737621B (en) * | 2018-12-05 | 2021-03-19 | 江苏白雪电器股份有限公司 | Self-cascade refrigeration system |
| CN109724822A (en) * | 2019-02-18 | 2019-05-07 | 天津商业大学 | A kind of moderate and high temperature heat property test platform |
| CN111795423B (en) * | 2020-03-26 | 2021-09-03 | 同济大学 | Carbon dioxide heat pump heating system based on three-fluid heat exchanger |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004177067A (en) * | 2002-11-29 | 2004-06-24 | Hitachi Home & Life Solutions Inc | Heat pump type air conditioner |
| CN102121758A (en) * | 2010-11-18 | 2011-07-13 | 吴植仁 | Cascade refrigerating circulating system with fine separator and automatic antiflaming function by carbon dioxide |
| 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 |
| CN103635761A (en) * | 2011-08-04 | 2014-03-12 | 三菱电机株式会社 | Refrigerating device |
| CN104334982A (en) * | 2012-08-23 | 2015-02-04 | 三菱电机株式会社 | Refrigerating device |
| CN205102450U (en) * | 2015-10-26 | 2016-03-23 | 天津商业大学 | Supercritical carbon dioxide refrigeration / heat pump comprehensive experiment platform is striden to multi -functional overlapping formula |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004286289A (en) * | 2003-03-20 | 2004-10-14 | Sanyo Electric Co Ltd | Refrigerant cycle device |
-
2015
- 2015-10-26 CN CN201510700039.9A patent/CN105180496B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004177067A (en) * | 2002-11-29 | 2004-06-24 | Hitachi Home & Life Solutions Inc | Heat pump type air conditioner |
| CN102121758A (en) * | 2010-11-18 | 2011-07-13 | 吴植仁 | Cascade refrigerating circulating system with fine separator and automatic antiflaming function by carbon dioxide |
| CN103635761A (en) * | 2011-08-04 | 2014-03-12 | 三菱电机株式会社 | Refrigerating device |
| CN104334982A (en) * | 2012-08-23 | 2015-02-04 | 三菱电机株式会社 | Refrigerating device |
| 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 |
| CN205102450U (en) * | 2015-10-26 | 2016-03-23 | 天津商业大学 | Supercritical carbon dioxide refrigeration / heat pump comprehensive experiment platform is striden to multi -functional overlapping formula |
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