CN107202446A - A kind of water source carbon dioxide heat pump system with surge tank - Google Patents
A kind of water source carbon dioxide heat pump system with surge tank Download PDFInfo
- Publication number
- CN107202446A CN107202446A CN201710498620.6A CN201710498620A CN107202446A CN 107202446 A CN107202446 A CN 107202446A CN 201710498620 A CN201710498620 A CN 201710498620A CN 107202446 A CN107202446 A CN 107202446A
- Authority
- CN
- China
- Prior art keywords
- carbon dioxide
- heat exchange
- gas
- surge tank
- outlet
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
- F25B9/008—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant being carbon dioxide
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/13—Vibrations
Abstract
The invention discloses a kind of water source carbon dioxide heat pump system with surge tank, belong to carbon dioxide heat pump system, existing carbon dioxide machine set system internal pressure is high, using the periodic air-flow change because the exhaust of its compressor has of the water source carbon dioxide unit of piston compressor, internal high pressure draught causes the generation high vibration of being forced to property of pipeline plus periodic pulse state, safety and operation steady in a long-term on system produce irreversible influence, series buffer tank on the pipeline that heat exchange of the invention by carbon dioxide exhaust outlet and gas cooler in compressor is connected with carbon dioxide entrance, changing the gas flow inside surge tank is buffered the gas gushed out from cylinder, so as to increase the resistance coefficient of gas, reach damping and strengthen the purpose of unit reliability.
Description
Technical field
The invention belongs to carbon dioxide heat pump system, and in particular to a kind of water source carbon dioxide heat-pump system with surge tank
System.
Background technology
Existing carbon dioxide machine set system internal pressure is high, using piston compressor water source carbon dioxide unit by
In the exhaust of its compressor there is periodic air-flow to change, internal high pressure draught causes pipe plus periodic pulse state
The generation high vibration of being forced to property of road, safety and operation steady in a long-term on system produce irreversible influence.
The content of the invention
The technical problem to be solved in the present invention with the technical assignment proposed is overcome inside existing carbon dioxide machine set system
High pressure draught cause the defect of the generation high vibration of being forced to property of pipeline to be carried there is provided one kind plus periodic pulse state
The water source carbon dioxide heat pump system of surge tank.
To reach above-mentioned purpose, the water source carbon dioxide heat pump system with surge tank of the invention, including compressor, gas
Body cooler, choke valve, evaporator, regenerator, gas-liquid separator, oil return solenoid valve；
Described compressor has carbon dioxide exhaust outlet, carbon dioxide gas returning port, oil return opening；
Described gas cooler has heat exchange carbon dioxide entrance, heat exchange carbon dioxide outlet, heat exchange water inlet, changed
Heat delivery port；
There is described evaporator heat exchange carbon dioxide entrance, heat exchange carbon dioxide outlet, heat exchange water inlet, heat exchange to use
Delivery port；
Described regenerator high temperature has carbon dioxide entrance, high temperature carbon dioxide outlet, low-temperature carbon dioxide entrance, low temperature two
Carbon oxide outlet；
Described gas-liquid separator has carbon dioxide entrance, carbon dioxide outlet, oil-out；
The carbon dioxide exhaust outlet of the compressor is connected with the heat exchange of the gas cooler with carbon dioxide entrance by the road；
High temperature carbon dioxide entrance of the heat exchange of the gas cooler with carbon dioxide outlet by the road with the regenerator connects
Connect；
The high temperature carbon dioxide outlet of the regenerator is connected with the evaporator heat exchange with carbon dioxide entrance by the road, described
Choke valve be connected on the regenerator high temperature carbon dioxide outlet be connected with the evaporator heat exchange with carbon dioxide entrance
Pipeline on；
The heat exchange of the evaporator is connected with the carbon dioxide entrance of the gas-liquid separator by the road with carbon dioxide outlet；
The carbon dioxide outlet of the gas-liquid separator is connected with the low-temperature carbon dioxide entrance of the regenerator by the road；
The low-temperature carbon dioxide outlet of the regenerator is connected with the carbon dioxide gas returning port of the compressor by the road；
Oil return opening of the oil-out of the gas-liquid separator by the road with the compressor is connected, described oil return solenoid valve series connection
On the pipeline that the oil-out of the gas-liquid separator is connected with the oil return opening of the compressor；
The heat exchange of the gas cooler is used to be connected with using water inlet by the road with water inlet, and the gas cooler is changed
Water pump is in series with the pipeline that heat is connected with water inlet with using water inlet；
The heat exchange of the gas cooler is used to be connected with using water out by the road with delivery port；
The heat exchange of described evaporator water inlet is used to be connected with thermal source water inlet by the road；
The heat exchange of described evaporator delivery port is used to be connected with thermal source water out by the road；
It is characterized in that：The heat pump also includes surge tank, and described surge tank is connected on the carbon dioxide row of the compressor
Gas port exchanges heat on the pipeline being connected with carbon dioxide entrance with the gas cooler.
It is used as optimization technique means：The surge tank includes tank body and is connected to the carbon dioxide entrance at the tank body two ends
Pipe, carbon dioxide outlet pipe, the carbon dioxide inlet tube, the inner of carbon dioxide outlet pipe are extended in described tank body simultaneously
Back-flexing is staggered.
It is used as optimization technique means：The carbon dioxide outlet pipe of the surge tank and the carbon dioxide exhaust outlet of compressor it
Between pipeline be provided with high-pressure safety valve.
It is used as optimization technique means：Connected with the pipeline between choke valve the high temperature carbon dioxide outlet of the regenerator
There are air passage filter, ball valve.
It is used as optimization technique means：The top of described gas-liquid separator is provided with low-pressure safety valve.
It is used as optimization technique means：Be in series with pipeline between described use water inlet and water pump waterway electromagnetic valve,
First Y-filter.
It is used as optimization technique means：The heat exchange of described evaporator is with water inlet and heat exchange with being connected with pressure between delivery port
Difference switch.
It is used as optimization technique means：Gone here and there on pipeline between described thermal source water out and the heat exchange delivery port of evaporator
It is associated with the second Y-filter.
It is used as optimization technique means：Described gas cooler is double-tube heat exchanger；Described regenerator is sleeve heat exchange
Device；Described evaporator is brazing plate type heat exchanger.
The present invention is connected by the heat exchange of carbon dioxide exhaust outlet and gas cooler in compressor with carbon dioxide entrance
Series buffer tank on the pipeline connect, changing the gas flow inside surge tank is buffered the gas gushed out from cylinder, from
And increase the resistance coefficient of gas, reach damping and strengthen the purpose of unit reliability.
Brief description of the drawings
Fig. 1 carries the schematic diagram of the water source carbon dioxide heat pump system of surge tank for the present invention；
Fig. 2 is the structural representation of surge tank of the present invention；
Label declaration in figure：1- compressors；2- gas coolers；3- choke valves；4- evaporators；5- high-pressure safety valves；6- water pumps；
7- waterway electromagnetic valves；The Y-filters of 81- first, the Y-filters of 82- second；9- air passage filters；10- ball valves；11- backheats
Device；12- gas-liquid separators；13- oil return solenoid valves；14- pressure difference switches；15- low-pressure safety valves；16- surge tanks, 161- tank bodies；
17- carbon dioxide inlet tubes；18- carbon dioxide outlet pipes.
Embodiment
Below in conjunction with Figure of description, the present invention will be further described.
The water source carbon dioxide heat pump system with surge tank as shown in Figure 1, including compressor 1, gas cooler 2,
Choke valve 3, evaporator 4, regenerator 11, gas-liquid separator 12, oil return solenoid valve 13；
Compressor 1 has carbon dioxide exhaust outlet, carbon dioxide gas returning port, oil return opening；
There is gas cooler 2 heat exchange carbon dioxide entrance, heat exchange carbon dioxide outlet, heat exchange water inlet, heat exchange to use
Delivery port；
Evaporator 4 have heat exchange with carbon dioxide entrance, heat exchange with carbon dioxide outlet, heat exchange with water inlet, heat exchange water outlet
Mouthful；
The high temperature of regenerator 11 has carbon dioxide entrance, high temperature carbon dioxide outlet, low-temperature carbon dioxide entrance, low temperature titanium dioxide
Carbon is exported；
Gas-liquid separator 12 has carbon dioxide entrance, carbon dioxide outlet, oil-out；
The carbon dioxide exhaust outlet of compressor 1 is connected with the heat exchange of gas cooler 2 with carbon dioxide entrance by the road；
The heat exchange of gas cooler 2 is connected with the high temperature carbon dioxide entrance of regenerator 11 by the road with carbon dioxide outlet, is used
In reduction high temperature carbon dioxide temperature；
The high temperature carbon dioxide outlet of regenerator 11 is connected with the heat exchange of evaporator 4 with carbon dioxide entrance by the road, and choke valve 3 is gone here and there
Being associated on the pipeline that the outlet of the high temperature carbon dioxide of regenerator 11 is connected with the heat exchange of evaporator 4 with carbon dioxide entrance is used to throttle
Cooling；
The heat exchange of evaporator 4 is connected with the carbon dioxide entrance of gas-liquid separator 12 by the road with carbon dioxide outlet；
The carbon dioxide outlet of gas-liquid separator 12 is connected with the low-temperature carbon dioxide entrance of regenerator 11 by the road；
The low-temperature carbon dioxide outlet of regenerator 11 is connected with the carbon dioxide gas returning port of compressor 1 by the road；
Oil return opening of the oil-out of gas-liquid separator 12 by the road with compressor 1 is connected, and oil return solenoid valve 13 is connected on gas-liquid point
On the pipeline being connected from the oil-out of device 12 with the oil return opening of compressor 1, the oil return for controlling compressor 1；
The heat exchange of gas cooler 2 is used to be connected with using water inlet by the road with water inlet, and the heat exchange of gas cooler 2 is with entering
Water pump 6 is in series with the pipeline that the mouth of a river is connected with using water inlet, water pump 6 preferably uses variable frequency pump to adjust using water inlet
The size of flow；
The heat exchange of gas cooler 2 is used to be connected with using water out by the road with delivery port；
The heat exchange of evaporator 4 water inlet is used to be connected with thermal source water inlet by the road；
The heat exchange of evaporator 4 delivery port is used to be connected with thermal source water out by the road；
The heat pump also includes surge tank 16, and surge tank 16 is connected on the carbon dioxide exhaust outlet and gas cooling of compressor 1
On pipeline of the heat exchange of device 2 with the connection of carbon dioxide entrance.Surge tank 16 is used to buffer the gas come out from compressor 1.
Further, as shown in Fig. 2 surge tank 16 includes tank body 161 and is connected to the carbon dioxide entrance at tank body two ends
Pipe 17, carbon dioxide outlet pipe 18, carbon dioxide inlet tube 17, the inner of carbon dioxide outlet pipe 18 are extended in tank body 161
And back-flexing is staggered.
Pipeline between the carbon dioxide outlet pipe 18 of surge tank 16 and the carbon dioxide exhaust outlet of compressor 1 is provided with height
Safety valve 5 is pressed, for the pressure release when system pressure exceeds limit value.
Air passage filter 9, ball valve are in series with pipeline between the high temperature carbon dioxide outlet of regenerator 11 and choke valve 3
10, ball valve 10 is used for the size of the flow of regulation of carbon dioxide, and air passage filter 9 is used for the carbon dioxide for being removed into choke valve
In impurity.
The top of gas-liquid separator 12 is provided with low-pressure safety valve 15, is limited for exceeding in the internal pressure of gas-liquid separator 12
Pressure release during value.
Using waterway electromagnetic valve 7, the first Y-filter 81 is in series with the pipeline between water inlet and water pump 6, water route is electric
Magnet valve 7 is used as switch of the control using water inlet, and the first Y-filter 81 is used to remove the impurity using in water inlet.
The heat exchange of evaporator 4 with water inlet and heat exchange with pressure difference switch 14 is connected between delivery port, for controlling thermal source
The differential water pressures of water inlet and thermal source water out are in normal range (NR).
The heat exchange of thermal source water out and evaporator 4 is used with the second Y-filter 82 is in series with the pipeline between delivery port
Impurity in removal thermal source water inlet.
Gas cooler 2 is double-tube heat exchanger；Regenerator 11 is double-tube heat exchanger；Evaporator 4 is brazing plate type heat exchanger.
The water source carbon dioxide heat-pump for preparing high-temp water based on said structure, is arranged by the carbon dioxide in compressor
The heat exchange of gas port and gas cooler series buffer tank on the pipeline of carbon dioxide entrance connection, changes the gas inside surge tank
Direction of flow is buffered the gas gushed out from cylinder, so as to increase the resistance coefficient of gas, is reached damping and is strengthened
The purpose of unit reliability.
In Fig. 1, arrow indicates the flow direction of medium, and wherein solid line represents the pipeline of water, dotted line represent carbon dioxide with
The pipeline of the mixture of oil, double dot dash line represents the pipeline of carbon dioxide, and single dotted broken line represents the pipeline of oil.
The technical concepts and features of above example only to illustrate the invention, and be not to embodiments of the present invention
Limit.For those of ordinary skill in the field, other multi-forms can also be made on the basis of the above description
Change or variation.Here all embodiments can not be exhaustive.Every technical scheme that belongs to is amplified
Row of the obvious changes or variations gone out still in protection scope of the present invention.
Claims (9)
1. a kind of water source carbon dioxide heat pump system with surge tank, including compressor（1）, gas cooler（2）, choke valve
（3）, evaporator（4）, regenerator（11）, gas-liquid separator（12）, oil return solenoid valve（13）；
Described compressor（1）With carbon dioxide exhaust outlet, carbon dioxide gas returning port, oil return opening；
Described gas cooler（2）With heat exchange carbon dioxide entrance, heat exchange carbon dioxide outlet, heat exchange water inlet
Mouth, heat exchange delivery port；
Described evaporator（4）With heat exchange carbon dioxide entrance, heat exchange carbon dioxide outlet, heat exchange water inlet, change
Heat delivery port；
Described regenerator（11）High temperature has carbon dioxide entrance, high temperature carbon dioxide outlet, low-temperature carbon dioxide entrance, low
Warm carbon dioxide outlet；
Described gas-liquid separator（12）With carbon dioxide entrance, carbon dioxide outlet, oil-out；
The compressor（1）Carbon dioxide exhaust outlet by the road with the gas cooler（2）Heat exchange entered with carbon dioxide
Mouth connection；
The gas cooler（2）Heat exchange with carbon dioxide outlet by the road with the regenerator（11）High temperature carbon dioxide
Entrance is connected；
The regenerator（11）High temperature carbon dioxide outlet by the road with the evaporator（4）Heat exchange is connected with carbon dioxide entrance
Connect, described choke valve（3）It is connected on the regenerator（11）High temperature carbon dioxide outlet with the evaporator（4）Heat exchange is used
On the pipeline of carbon dioxide entrance connection；
The evaporator（4）Heat exchange with carbon dioxide outlet by the road with the gas-liquid separator（12）Carbon dioxide entrance
Connection；
The gas-liquid separator（12）Carbon dioxide outlet by the road with the regenerator（11）Low-temperature carbon dioxide entrance
Connection；
The regenerator（11）Low-temperature carbon dioxide outlet by the road with the compressor（1）Carbon dioxide gas returning port connect
Connect；
The gas-liquid separator（12）Oil-out by the road with the compressor（1）Oil return opening connection, described oil return electricity
Magnet valve（13）It is connected on the gas-liquid separator（12）Oil-out and the compressor（1）Oil return opening connection pipeline on；
The gas cooler（2）Heat exchange be used to be connected with using water inlet by the road with water inlet, the gas cooler
（2）The pipeline that is connected with water inlet with using water inlet of heat exchange on be in series with water pump（6）；
The gas cooler（2）Heat exchange be used to be connected with using water out by the road with delivery port；
Described evaporator（4）Heat exchange be used to be connected with thermal source water inlet by the road with water inlet；
Described evaporator（4）Heat exchange be used to be connected with thermal source water out by the road with delivery port；
It is characterized in that：The heat pump also includes surge tank（16）, described surge tank（16）It is connected on the compressor（1）'s
Carbon dioxide exhaust outlet and the gas cooler（2）The pipeline that is connected with carbon dioxide entrance of heat exchange on.
2. the water source carbon dioxide heat pump system according to claim 1 with surge tank, it is characterized in that：The surge tank
（16）Including tank body（161）And it is connected to the carbon dioxide inlet tube at the tank body two ends（17）, carbon dioxide outlet pipe（18）,
The carbon dioxide inlet tube（17）, carbon dioxide outlet pipe（18）The inner extend to described tank body（161）It is interior and reverse
Bending is staggered.
3. the water source carbon dioxide heat pump system according to claim 2 with surge tank, it is characterized in that：The surge tank
（16）Carbon dioxide outlet pipe（18）With compressor（1）Carbon dioxide exhaust outlet between pipeline be provided with high-pressure safety valve
（5）.
4. the water source carbon dioxide heat pump system according to claim 1 with surge tank, it is characterized in that：The regenerator
（11）High temperature carbon dioxide outlet and choke valve（3）Between pipeline on be in series with air passage filter（9）, ball valve（10）.
5. the water source carbon dioxide heat pump system according to claim 1 with surge tank, it is characterized in that：Described gas-liquid
Separator（12）Top be provided with low-pressure safety valve（15）.
6. the water source carbon dioxide heat pump system according to claim 1 with surge tank, it is characterized in that：Described use
Water inlet and water pump（6）Between pipeline on be in series with waterway electromagnetic valve（7）, the first Y-filter（81）.
7. the water source carbon dioxide heat pump system according to claim 1 with surge tank, it is characterized in that：Described evaporation
Device（4）Heat exchange with water inlet and heat exchange with being connected with pressure difference switch between delivery port（14）.
8. the water source carbon dioxide heat pump system according to claim 1 with surge tank, it is characterized in that：Described thermal source
Water out and evaporator（4）Heat exchange with being in series with the second Y-filter on the pipeline between delivery port（82）.
9. the water source carbon dioxide heat pump system according to claim 1 with surge tank, it is characterized in that：Described gas
Cooler（2）For double-tube heat exchanger；Described regenerator（11）For double-tube heat exchanger；Described evaporator（4）For brazing-sheet type
Heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710498620.6A CN107202446A (en) | 2017-06-27 | 2017-06-27 | A kind of water source carbon dioxide heat pump system with surge tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710498620.6A CN107202446A (en) | 2017-06-27 | 2017-06-27 | A kind of water source carbon dioxide heat pump system with surge tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107202446A true CN107202446A (en) | 2017-09-26 |
Family
ID=59908474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710498620.6A Withdrawn CN107202446A (en) | 2017-06-27 | 2017-06-27 | A kind of water source carbon dioxide heat pump system with surge tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107202446A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087239A (en) * | 2017-12-13 | 2018-05-29 | 华中科技大学 | A kind of duct type active flow pulsation damping device for large reciprocating compressor |
| CN108775737A (en) * | 2018-08-24 | 2018-11-09 | 格力电器（杭州）有限公司 | Surge tank and air conditioner with it |
| WO2020113949A1 (en) * | 2018-12-06 | 2020-06-11 | 中车大连机车研究所有限公司 | Carbon dioxide air conditioner and pressure control and protection method |
| TWI819759B (en) * | 2021-08-24 | 2023-10-21 | 日本伊藤美珂股份有限公司 | Heat pump device |
-
2017
- 2017-06-27 CN CN201710498620.6A patent/CN107202446A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087239A (en) * | 2017-12-13 | 2018-05-29 | 华中科技大学 | A kind of duct type active flow pulsation damping device for large reciprocating compressor |
| CN108087239B (en) * | 2017-12-13 | 2024-04-05 | 华中科技大学 | Pipeline type active airflow pulsation attenuation device for large reciprocating compressor |
| CN108775737A (en) * | 2018-08-24 | 2018-11-09 | 格力电器（杭州）有限公司 | Surge tank and air conditioner with it |
| WO2020113949A1 (en) * | 2018-12-06 | 2020-06-11 | 中车大连机车研究所有限公司 | Carbon dioxide air conditioner and pressure control and protection method |
| TWI819759B (en) * | 2021-08-24 | 2023-10-21 | 日本伊藤美珂股份有限公司 | Heat pump device |
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Application publication date: 20170926 |
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| WW01 | Invention patent application withdrawn after publication |