CN201811490U - Internal switching water source heat pump unit with heat recovery - Google Patents
Internal switching water source heat pump unit with heat recovery Download PDFInfo
- Publication number
- CN201811490U CN201811490U CN2010205089714U CN201020508971U CN201811490U CN 201811490 U CN201811490 U CN 201811490U CN 2010205089714 U CN2010205089714 U CN 2010205089714U CN 201020508971 U CN201020508971 U CN 201020508971U CN 201811490 U CN201811490 U CN 201811490U
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- check valve
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- input port
- condenser
- input
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 238000011084 recovery Methods 0.000 title abstract description 5
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 239000003921 oil Substances 0.000 claims description 29
- 239000010725 compressor oil Substances 0.000 claims description 2
- 238000004378 air conditioning Methods 0.000 abstract description 17
- 239000008239 natural water Substances 0.000 abstract description 13
- 239000002918 waste heat Substances 0.000 abstract description 5
- 239000003507 refrigerant Substances 0.000 description 9
- 238000001816 cooling Methods 0.000 description 7
- 230000005611 electricity Effects 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 238000005057 refrigeration Methods 0.000 description 6
- 239000000498 cooling water Substances 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 4
- 238000010977 unit operation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 241000195493 Cryptophyta Species 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001077 hypotensive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
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- Other Air-Conditioning Systems (AREA)
Abstract
The utility model discloses an internal switching water source heat pump unit capable of heat recovery. An oil separator is arranged between a compressor and a heat recovery device, an oil return port of the compressor is connected with an oil outlet of the oil separator, the outlet of the oil separator is further connected with an input port of an ejector, an output port of the heat recovery device is connected with an input port of a four-way reversing valve, a first output port of the four-way reversing valve is connected with an input port of an evaporator, a second output port is respectively connected with a suction port of the compressor and an output port of the ejector, a third output port is connected with an input port of a condenser, an oil return port of the condenser is connected with the oil input port of the ejector through a first one-way valve, an output port of the condenser is connected with an output port of the evaporator through a second one-way valve, a third one-way valve and a fourth one-way valve connected in a bridged manner, and a liquid storage device and an expansion valve are connected in series prior to being connected into the second one-way valve, the third one-way valve and the fourth one-way valve connected in a bridge manner. The heat pump unit realizes the ice thermal storage function of an air conditioning system, utilizes waste heat to realize cold supply and heat supply, and avoids pollution to natural water and chilled water system, thereby operation cost of the unit is reduced, and peak load of a power grid is reduced.
Description
Technical field
The utility model relates to a kind of interior switching water source heat pump units that has recuperation of heat.
Background technology
Water source heat pump units is widely used in refrigeration and the heating, common water source heat pump units all adopts the outside switching of refrigeration system in refrigeration and heating process, promptly adopt chilled water piping and cooling water piping to switch, so can't directly apply in the ice cold-storage centralized air-conditioning device by two valve groups.
Be illustrated in figure 1 as the theory diagram of traditional water source heat pump units, it mainly comprises parts compositions such as screw compressor 1, condenser 2, expansion valve 3, evaporimeter 4, heat regenerator 5.After 5 heat recovery of heat process heat regenerator of the high-temperature high-pressure refrigerant gas of screw compressor 1 discharge in service, in condenser 2, be cooled to the refrigerant liquid of high pressure, again under the throttling hypotensive effect of expansion valve 3, be transformed into the refrigerant liquid of low-temp low-pressure, the refrigerant gas of low pressure is absorbed heat in evaporation in evaporimeter 4, is sucked the compressed gas that is transformed into HTHP again then by screw compressor 1, kind of refrigeration cycle is finished in circulation so repeatedly.When the cooling water piping access condenser 2 that connects natural water, when connecting the chilled water piping access evaporimeter 4 of end-equipment, this water source heat pump units runs on cooling condition; When the cooling water that connects natural water inserts evaporimeter 4, and the chilled water piping that connects end-equipment is when inserting condenser 2, and this water source heat pump units runs on heating condition.Therefore when source pump is freezed and heat switching, the refrigerating medium in the air-conditioner water system can be discharged in the natural water contaminated environment; And algae in the natural water and impurity are brought in the air-conditioner water system, pollute air-conditioner water system.If there is not the cooperation of miscellaneous equipment, common water resource heat pump can't be applied to ice storage centralized air-conditioning system and do the main frame use.
Central air-conditioning systems such as simultaneously general office building, market, large-scale cultural facility all are to use by day, use the period to be in the mains supply peak time, and the air-conditioning system electricity consumption is the key factor that causes the electrical network peak load.Particularly build a conservation-minded society at present, reduce under the situation of carbon emission, improve the service efficiency of air-conditioning system, balance electrical network peak load, make full use of electricity consumption in night policy, the consumption of encouragement valley electricity for enterprise reduces the operation electricity charge, is crucial for society cuts down the consumption of energy.Therefore the air-conditioning system of not having the ice cold-storage highlights its weak point.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of interior switching water source heat pump units that has recuperation of heat, this source pump can realize the ice cool storage function of air-conditioning system, utilize the unit operation waste heat to realize cooling and heat supply simultaneously, avoided pollution natural water and chilled water system; Reduce the unit operation cost, reduced the peak load of electrical network, had good economic benefit and social benefit.
For solving the problems of the technologies described above, the interior switching water source heat pump units that the utility model has recuperation of heat comprises screw compressor, condenser, expansion valve, evaporimeter, heat regenerator, also comprise four-way change-over valve, injector, reservoir, oil eliminator, first check valve, second check valve, the 3rd check valve, the 4th check valve and the 5th check valve, described condenser is the full-liquid type condenser, described screw compressor exhaust outlet connects the input port of described oil eliminator, described screw compressor oil return opening connects the oil outlet of described oil eliminator, the delivery outlet of described oil eliminator connects the input port of described heat regenerator and the input port of injector respectively, the delivery outlet of described heat regenerator connects the input port of described four-way change-over valve, first delivery outlet of described four-way change-over valve connects the input port of described evaporimeter, second delivery outlet connects the delivery outlet of described screw compressor air entry and injector respectively, the 3rd delivery outlet connects the input port of described condenser, the oil return opening of described condenser connects the input of described first check valve, the output of described first check valve connects described injector oil input port, the delivery outlet of described condenser connects the input of described second check valve and the output of the 3rd check valve respectively, the output of described second check valve connects the input port of described reservoir and the output of the 4th check valve respectively, the input of described the 3rd check valve connects the input of described expansion valve output and the 5th check valve respectively, described expansion valve input connects the delivery outlet of described reservoir, and the input of described the 4th check valve is connected the delivery outlet of described evaporimeter with the output of the 5th check valve.
Because having the interior switching water source heat pump units of recuperation of heat, the utility model adopted technique scheme, the screw compressor exhaust outlet connects the oil eliminator input port, oil return opening connects the oil eliminator oil outlet, the oil eliminator delivery outlet connects heat regenerator input port and injector input port respectively, the heat regenerator delivery outlet connects the four-way change-over valve input port, four-way change-over valve first delivery outlet connects the evaporimeter input port, second delivery outlet is connecting screw rod formula compressor air suction mouth and injector delivery outlet respectively, the 3rd delivery outlet connects the condenser input port, the condenser oil return opening connects the first check valve input, the first check valve output connects injector oil input port, the condenser delivery outlet connects the second check valve input and the 3rd check valve output respectively, the second check valve output connects reservoir input port and the 4th check valve output respectively, the 3rd check valve input connects expansion valve output and the 5th check valve input respectively, the expansion valve input connects the reservoir delivery outlet, and the 4th check valve input is connected the evaporimeter delivery outlet with the 5th check valve output.This source pump can realize the ice cool storage function of air-conditioning system, utilizes the unit operation waste heat to realize cooling and heat supply simultaneously, has avoided the pollution to natural water and chilled water system; Reduce the unit operation cost, reduced the peak load of electrical network, had good economic benefit and social benefit.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and embodiments:
Fig. 1 is the theory diagram of conventional heat pump unit,
Fig. 2 has the theory diagram of the interior switching water source heat pump units of recuperation of heat for the utility model,
The specific embodiment
As shown in Figure 2, the interior switching water source heat pump units that the utility model has recuperation of heat comprises screw compressor 1, condenser 2, expansion valve 3, evaporimeter 4, heat regenerator 5, also comprise four-way change-over valve 6, injector 8, reservoir 9, oil eliminator 7, check valve 11, second check valve 12, the 3rd check valve 13, the 4th check valve 14 and the 5th check valve 15, described condenser 2 is full-liquid type condensers, described screw compressor 1 exhaust outlet connects the input port of described oil eliminator 7, described screw compressor 1 oil return opening connects the oil outlet of described oil eliminator 7, the delivery outlet of described oil eliminator 7 connects the input port of described heat regenerator 5 and the input port of injector 8 respectively, the delivery outlet of described heat regenerator 5 connects the input port of described four-way change-over valve 6, first delivery outlet of described four-way change-over valve 6 connects the input port of described evaporimeter 4, second delivery outlet connects the delivery outlet of described screw compressor 1 air entry and injector 8 respectively, the 3rd delivery outlet connects the input port of described condenser 2, the oil return opening of described condenser 2 connects the input of described first check valve 11, the output of described first check valve 11 connects described injector 8 oily input ports, the delivery outlet of described condenser 2 connects the input of described second check valve 12 and the output of the 3rd check valve 13 respectively, the output of described second check valve 12 connects the input port of described reservoir 9 and the output of the 4th check valve 14 respectively, the input of described the 3rd check valve 13 connects the input of described expansion valve 3 outputs and the 5th check valve 15 respectively, described expansion valve 3 inputs connect the delivery outlet of described reservoir 9, and the input of described the 4th check valve 14 is connected the delivery outlet of described evaporimeter 4 with the output of the 5th check valve 15.
During the operation of this source pump, the hot water input and the output of heat regenerator insert hot-water heating system respectively, the chilled water input and the output of condenser insert natural water respectively, the heat exchange input and the output of evaporimeter insert air-conditioning system end or ice storage unit respectively, and second to the 5th check valve is used to distribute the reservoir refrigerant flow direction.
Refrigeration system changes the flow direction of cold-producing medium in this source pump by the switching of four-way change-over valve, when refrigerating state, high-temperature high-pressure refrigerant gas flows to condenser earlier to the natural water heat release by four-way change-over valve, evaporimeter then freezes and produces cold water or frozen water, offer the ice-chilling air conditioning system end and make summer operation or ice storage unit storage cooling power, when heating state, low-temperature low-pressure refrigerant gas flows to condenser by four-way change-over valve and absorbs heat to natural water, evaporimeter then produces hot water, offers the air-conditioning system end and makes winter operation.
The full-liquid type condenser satisfies winter heating's operating condition in this source pump, the condenser operation time is the evaporation and heat-exchange state, and after the cold-producing medium that carries lubricating oil gasified in condenser, more lubricating oil can be trapped in the condenser, can't get back to compressor, thereby cause compressor damage.Therefore at exhaust outlet of compressor configuration oil eliminator, the lubricating oil that the minimizing compressor air-discharging is taken out of enters condenser; Equipped injector on the condenser body is realized getting back to compressor from condenser inner refrigerant liquid level suction lubricating oil by first check valve simultaneously, has lubricated well when further guaranteeing compressor operating.Because the cooling water that is connected with natural water flows for a long time,, then open full-liquid type condenser end cap simultaneously in the heat exchanger tube of condenser, can implement cleaning and maintenance operation in case produce algae or contaminating impurity.
The heat regenerator of this source pump utilizes summer during refrigerating operaton, reclaims the water in the condensation waste heat heat hot recover of compressor air-discharging, makes that water temperature raises in the heat regenerator, thereby obtains 45～60 ℃ of health hot waters or Process heat water; The condensation heat of having strengthened refrigerant gas simultaneously discharges, and has improved condensing condition.
After evaporimeter heat exchange input of this source pump and output insert ice storage unit respectively, the cooling power that source pump operation in night is stored in ice storage unit can be applicable to the refrigeration on daytime, effectively reduce the peak load of electrical network, this source pump is applied to ice in the cold-storage centralized air-conditioning device makes main frame, scientifically overcome the technical barrier of source pump some in ice-chilling air conditioning system is used, possessed the ice-storage air-conditioning device and dodged peak of power consumption, played the effect of electricity consumption peak load shifting; Natural water closed loop in condenser flows and to have avoided to natural water with to the pollution of chilled water system; And utilize the waste heat that source pump when operation produce, reliably solved the ice storage air conditioner device function of cooling, heat supply simultaneously.Reduce the operation electricity charge, reduce equipment investment, have good economic benefit and social benefit.
Use this source pump and compare with the air-conditioner host of routine, its refrigerating efficiency can improve 8～15%; Freeze rate, ice-melt rate of ice bucket is higher than 95%, saves electric energy more than 20%; Effectively reduce operating cost. This source pump can be applicable in the central air-conditioning system of various ways, such as industrial and mining enterprises, comprehensive building etc., needs in the comfortableness or manufacturability central air-conditioning system of simultaneously cooling, heat supply.
Claims (1)
1. interior switching water source heat pump units that has recuperation of heat, comprise screw compressor, condenser, expansion valve, evaporimeter, heat regenerator, it is characterized in that: also comprise four-way change-over valve, injector, reservoir, oil eliminator, first check valve, second check valve, the 3rd check valve, the 4th check valve and the 5th check valve, described condenser is the full-liquid type condenser, described screw compressor exhaust outlet connects the input port of described oil eliminator, described screw compressor oil return opening connects the oil outlet of described oil eliminator, the delivery outlet of described oil eliminator connects the input port of described heat regenerator and the input port of injector respectively, the delivery outlet of described heat regenerator connects the input port of described four-way change-over valve, first delivery outlet of described four-way change-over valve connects the input port of described evaporimeter, second delivery outlet connects the delivery outlet of described screw compressor air entry and injector respectively, the 3rd delivery outlet connects the input port of described condenser, the oil return opening of described condenser connects the input of described first check valve, the output of described first check valve connects described injector oil input port, the delivery outlet of described condenser connects the input of described second check valve and the output of the 3rd check valve respectively, the output of described second check valve connects the input port of described reservoir and the output of the 4th check valve respectively, the input of described the 3rd check valve connects the input of described expansion valve output and the 5th check valve respectively, described expansion valve input connects the delivery outlet of described reservoir, and the input of described the 4th check valve is connected the delivery outlet of described evaporimeter with the output of the 5th check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205089714U CN201811490U (en) | 2010-08-27 | 2010-08-27 | Internal switching water source heat pump unit with heat recovery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205089714U CN201811490U (en) | 2010-08-27 | 2010-08-27 | Internal switching water source heat pump unit with heat recovery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201811490U true CN201811490U (en) | 2011-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205089714U Expired - Fee Related CN201811490U (en) | 2010-08-27 | 2010-08-27 | Internal switching water source heat pump unit with heat recovery |
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| Country | Link |
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| CN (1) | CN201811490U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101936618A (en) * | 2010-08-27 | 2011-01-05 | 殷尧其 | Internal switching water source heat pump unit with heat recovery |
| CN104981665A (en) * | 2012-10-16 | 2015-10-14 | 特灵国际有限公司 | Fluid management in a HVAC system |
| CN109442781A (en) * | 2018-09-19 | 2019-03-08 | 广州市凌静制冷设备有限公司 | A kind of falling film type screw rod water cooler |
| CN112268386A (en) * | 2020-10-30 | 2021-01-26 | 上海伯涵热能科技有限公司 | Dehumidifying, cooling, heating and drying air conditioner using sleeve type heat exchanger to recover heat |
-
2010
- 2010-08-27 CN CN2010205089714U patent/CN201811490U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101936618A (en) * | 2010-08-27 | 2011-01-05 | 殷尧其 | Internal switching water source heat pump unit with heat recovery |
| CN104981665A (en) * | 2012-10-16 | 2015-10-14 | 特灵国际有限公司 | Fluid management in a HVAC system |
| US9903626B2 (en) | 2012-10-16 | 2018-02-27 | Trane International Inc. | Fluid management in a HVAC system |
| CN104981665B (en) * | 2012-10-16 | 2018-05-22 | 特灵国际有限公司 | Fluid Management in HVAC Systems |
| CN109442781A (en) * | 2018-09-19 | 2019-03-08 | 广州市凌静制冷设备有限公司 | A kind of falling film type screw rod water cooler |
| CN112268386A (en) * | 2020-10-30 | 2021-01-26 | 上海伯涵热能科技有限公司 | Dehumidifying, cooling, heating and drying air conditioner using sleeve type heat exchanger to recover heat |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI AIR-SYS AIR CONDITIONER SYSTEM SERVICE CO Free format text: FORMER OWNER: YIN YAOQI Effective date: 20110620 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20110620 Address after: 200063, building 4, building 627, No. 2, Ningxia Road, Shanghai, Putuo District Patentee after: Shanghai Air-Sys Air Conditioner System Service Co., Ltd. Address before: 200063, building 4, building 627, No. 2, Ningxia Road, Shanghai, Putuo District Patentee before: Yin Yaoqi |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110427 Termination date: 20130827 |