CN209042756U - A kind of separated body type low temp air-source high-temperature-hot-water unit - Google Patents
A kind of separated body type low temp air-source high-temperature-hot-water unit Download PDFInfo
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- CN209042756U CN209042756U CN201821248171.6U CN201821248171U CN209042756U CN 209042756 U CN209042756 U CN 209042756U CN 201821248171 U CN201821248171 U CN 201821248171U CN 209042756 U CN209042756 U CN 209042756U
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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]
- Y02B30/12—Hot water central heating systems using heat pumps
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model discloses a kind of separated body type low temp air-source high-temperature-hot-water units, it includes being in turn connected to form refrigeration cycle by pipeline by compressor, oil eliminator, four-way valve, condenser, high-pressure reservoir, device for drying and filtering, economizer, evaporator, four-way valve and gas-liquid separator, and supply circulation loop including being in turn connected to form hot water by pipeline by compressor, oil eliminator, four-way valve, evaporator, high-pressure reservoir, condenser, four-way valve and gas-liquid separator.Separated body type low temp air-source high-temperature-hot-water unit provided by the utility model, it has many advantages, such as that energy conservation and environmental protection, efficient, operational safety are stablized, and it can guarantee that normal table is run in low temperature rugged environment, 85 degree of high-temperature-hot-waters can be provided, at low ambient temperatures so as to normally meet the needs of high-temperature-hot-water is produced in low temp area;In addition, unit adopts a split structure setting, so that installation is more flexible, the scope of application is wider.
Description
Technical field
The utility model relates to a kind of energy-saving heating equipment, and in particular to a kind of separated body type low temp air-source high-temperature-hot-water machine
Group.
Background technique
Low-temperature air source Hot water units are just widely used in because of unique advantage such as its energy conservation and environmental protection, safe and reliable
Numerous occasions such as hotel, hotel, school, hospital, industrial and mining enterprises, but the application of low-temperature air source Hot water units is also by weather item
The constraint of part.When environment temperature is lower than -10 DEG C, in actual motion, it may appear that following problems: (1) heating capacity is with environment temperature
The decline of degree gradually decays, and water temperature also declines therewith, is not able to satisfy user demand;(2) at low ambient temperatures, pressure of inspiration(Pi) it is low,
The problems such as delivery temperature is high, compression ratio is big exceeds compressor range of operation.
Utility model content
In order to overcome the deficiencies of the prior art and there are the problem of, it is high that the utility model provides a kind of separated body type low temp air-source
Warm water's unit has many advantages, such as that energy conservation and environmental protection, efficient, operational safety are stablized.
The utility model is achieved through the following technical solutions: a kind of separated body type low temp air-source high-temperature-hot-water unit,
The unit includes the indoor unit and outdoor unit of split type structure setting, and the indoor unit includes compressor, oil eliminator, four-way
Valve, condenser, high-pressure reservoir, device for drying and filtering, economizer and gas-liquid separator, the outdoor unit include evaporator and
Blower,
The compressor, oil eliminator, four-way valve, condenser, high-pressure reservoir, device for drying and filtering, economizer, evaporation
Device, four-way valve and gas-liquid separator are in turn connected to form refrigeration cycle by pipeline,
The compressor, oil eliminator, four-way valve, evaporator, high-pressure reservoir, condenser, four-way valve and gas-liquid point
Hot water is in turn connected to form by pipeline from device and supplies circulation loop,
The indoor unit further includes having pressure difference oil return system, and the compressor, oil eliminator and pressure difference oil return system are logical
It crosses pipeline and is in turn connected to form refrigeration oil circulation loop.
Preferably, the pipeline between the evaporator and the high-pressure reservoir is provided with check valve.
Preferably, the pipeline between the economizer and evaporator is disposed with solenoid valve and expansion valve.
Preferably, the tonifying Qi pipeline between the refrigerant exit and compressor of the economizer is connected with solenoid valve and swollen in turn
Swollen valve.
Preferably, the compressor is single machine two-stage screw bolt compressor.
Preferably, the condenser is shell and tube condenser.
Preferably, the high-pressure reservoir is reversible liquid storage device.
Preferably, the economizer is plate heat exchanger.
Preferably, the evaporator is V-type finned evaporator.
Compared with prior art, separated body type low temp air-source high-temperature-hot-water unit provided by the utility model has section
Can be environmentally friendly, efficient, operational safety is stable the advantages that, and can guarantee that normal table is run in low temperature rugged environment, even if
85 degree of high-temperature-hot-waters can be also provided under low temperature (- 25 DEG C) environment, so as to normally meet the need that high-temperature-hot-water is produced in low temp area
It asks;In addition, unit adopts a split structure setting, so that installation is more flexible, the scope of application is wider.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of separated body type low temp air-source high-temperature-hot-water unit described in the utility model embodiment.
Wherein, drawing reference numeral are as follows: 1- compressor, 2- oil eliminator, 3- four-way valve, 4- condenser, 5- high-pressure reservoir, 6-
Device for drying and filtering, 7- economizer, 8- outdoor unit, 81- evaporator, 82- blower, 9- gas-liquid separator, 10- pressure difference oil return system,
11- check valve, 12- solenoid valve, 13- expansion valve.
Specific embodiment
For the ease of the understanding of those skilled in the art, below in conjunction with the drawings and specific embodiments to the utility model make into
One step detailed description.
As shown in Fig. 1, a kind of separated body type low temp air-source high-temperature-hot-water unit, the unit include that split type structure is set
The indoor unit and outdoor unit 8 set, the indoor unit include compressor 1, oil eliminator 2, four-way valve 3, condenser 4, high pressure liquid storage
Device 5, device for drying and filtering 6, economizer 7 and gas-liquid separator 9, the outdoor unit 8 include evaporator 81 and blower 82,
The compressor 1, oil eliminator 2, four-way valve 3, condenser 4, high-pressure reservoir 5, device for drying and filtering 6, economizer
7, evaporator 81, four-way valve 3 and gas-liquid separator 9 are in turn connected to form refrigeration cycle by pipeline,
The compressor 1, oil eliminator 2, four-way valve 3, evaporator 81, high-pressure reservoir 5, condenser 4, four-way valve 3 with
And gas-liquid separator 9 is in turn connected to form hot water by pipeline and supplies circulation loop,
The indoor unit further includes having pressure difference oil return system 10, the compressor 1, oil eliminator 2 and pressure difference oil return system
System 10 is in turn connected to form refrigeration oil circulation loop by pipeline.
In a wherein preferred embodiment, the pipeline between the evaporator and the high-pressure reservoir is provided with list
To valve 11, which is used in hot water supply circulation loop enable;Pipeline between the economizer and evaporator is successively
It is provided with solenoid valve 12 and expansion valve 13;In addition, the tonifying Qi pipeline between the refrigerant exit and compressor of the economizer is successively
It is connected with solenoid valve 12 and expansion valve 13.
As preferred embodiment, the compressor is preferably single machine two-stage screw bolt compressor;The condenser is preferably
Shell and tube condenser;The preferably bidirectional formula liquid storage device of high-pressure reservoir;The economizer is preferably plate heat exchanger;It is described
Evaporator is preferably V-type finned evaporator.In addition, the expansion valve is electric expansion valve.
Below to the course of work or working principle of separated body type low temp air-source high-temperature-hot-water unit provided in this embodiment
Make brief description:
When the refrigeration cycle is started to work, after compressor 1 compresses the low pressure refrigerant of reflux, become high temperature and pressure
Gas from exhaust outlet be discharged, connect by pipeline with 2 entrance of oil eliminator, oil eliminator by refrigeration oil and refrigerant separation after,
Refrigeration oil is returned in compressor 1 by pressure difference oil return system 10;And high temperature and high pressure gas passes through four-way valve by the outlet of oil eliminator 2
3 enter the room the heat exchanger (i.e. condenser 4) of machine, become the liquid of medium temperature high pressure after condenser inhales cold heat release, into height
Liquid storage device 5, device for drying and filtering 6 and economizer 7 are pressed, becomes the liquid of low-temp low-pressure after expanded 13 reducing pressure by regulating flow of valve, is entered
After heat exchanger (the i.e. evaporator 81) heat absorption of outdoor unit is let cool, becomes the gas of low-temp low-pressure, enter gas by four-way valve 3
Liquid/gas separator 9 eventually passes back to compressor 1 by liquid refrigerants evaporating completely in gas-liquid separator 9, so constantly recycles.
When hot water supply circulation loop work, using four-way valve 3 by the condenser 4 of original indoor unit and outdoor unit
The function of evaporator is mutually converted, and after compressor 1 compresses the low pressure refrigerant of reflux, becomes the gas of high temperature and pressure from row
Port discharge, and oil eliminator 2 is entered by pipeline, after oil eliminator separates refrigeration oil and refrigerant, refrigeration oil passes through pressure difference
Oil return system 10 returns in compressor 1;And high temperature and high pressure gas enters evaporator 8 by four-way valve 3 by the outlet of oil eliminator 2
(at this point, the function of the evaporator 8 is equivalent to the condenser 4 in refrigeration cycle) melts institute after evaporator 8 inhales cold heat release
The frost of knot becomes the liquid of medium temperature high pressure, enters two-way liquid storage device 5 by check valve 11 on pipeline, by condenser 4(this
When, the function of the condenser 4 is equivalent to the evaporator 8 in refrigeration cycle) heat absorption let cool effect after, become low-temp low-pressure
Gas is connected to gas-liquid separator 9 by four-way valve 3, eventually passes back to compressor 1, so constantly recycles.In addition, due to unit
It is generally under low temperature environment and works, often will appear frost, when needing to defrost, hot water supply circulation can also be started
Circuit carries out defrosting work.
Separated body type low temp air-source high-temperature-hot-water unit provided in this embodiment, with energy conservation and environmental protection, efficient, operation peace
Full the advantages that stablizing, and can guarantee that normal table is run in low temperature rugged environment, can provide at low ambient temperatures
85 degree of high-temperature-hot-waters, so as to normally meet the needs of high-temperature-hot-water is produced in low temp area;In addition, unit adopts a split structure
Setting, so that installation is more flexible, the scope of application is wider.
Above-described embodiment is the preferable implementation of the utility model, is not the restriction to the utility model, not
Be detached from the utility model inventive concept under the premise of, it is any it is obvious replacement the protection scope of the utility model it
It is interior.
Claims (9)
1. a kind of separated body type low temp air-source high-temperature-hot-water unit, it is characterised in that: the unit includes split type structure setting
Indoor unit and outdoor unit, the indoor unit includes compressor, oil eliminator, four-way valve, condenser, high-pressure reservoir, drying
Filter, economizer and gas-liquid separator, the outdoor unit include evaporator and blower,
The compressor, oil eliminator, four-way valve, condenser, high-pressure reservoir, device for drying and filtering, economizer, evaporator, four
Port valve and gas-liquid separator are in turn connected to form refrigeration cycle by pipeline,
The compressor, oil eliminator, four-way valve, evaporator, high-pressure reservoir, condenser, four-way valve and gas-liquid separator
Hot water, which is in turn connected to form, by pipeline supplies circulation loop,
The indoor unit further includes having pressure difference oil return system, and the compressor, oil eliminator and pressure difference oil return system pass through pipe
Road is in turn connected to form refrigeration oil circulation loop.
2. separated body type low temp air-source high-temperature-hot-water unit according to claim 1, it is characterised in that: the evaporator with
Pipeline between the high-pressure reservoir is provided with check valve.
3. separated body type low temp air-source high-temperature-hot-water unit according to claim 1, it is characterised in that: the economizer and
Pipeline between evaporator is disposed with solenoid valve and expansion valve.
4. separated body type low temp air-source high-temperature-hot-water unit according to claim 1, it is characterised in that: the economizer
Tonifying Qi pipeline between refrigerant exit and compressor is connected with solenoid valve and expansion valve in turn.
5. separated body type low temp air-source high-temperature-hot-water unit, feature described according to claim 1~any one of 4 exist
In: the compressor is single machine two-stage screw bolt compressor.
6. separated body type low temp air-source high-temperature-hot-water unit according to claim 5, it is characterised in that: the condenser is
Shell and tube condenser.
7. separated body type low temp air-source high-temperature-hot-water unit according to claim 5, it is characterised in that: the high pressure liquid storage
Device is reversible liquid storage device.
8. separated body type low temp air-source high-temperature-hot-water unit according to claim 5, it is characterised in that: the economizer is
Plate heat exchanger.
9. separated body type low temp air-source high-temperature-hot-water unit according to claim 5, it is characterised in that: the evaporator is
V-type finned evaporator.
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CN201821248171.6U CN209042756U (en) | 2018-08-03 | 2018-08-03 | A kind of separated body type low temp air-source high-temperature-hot-water unit |
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CN201821248171.6U CN209042756U (en) | 2018-08-03 | 2018-08-03 | A kind of separated body type low temp air-source high-temperature-hot-water unit |
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CN209042756U true CN209042756U (en) | 2019-06-28 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114279102A (en) * | 2021-12-14 | 2022-04-05 | 南京恒标斯瑞冷冻机械制造有限公司 | Falling film type evaporation refrigeration system and working method |
-
2018
- 2018-08-03 CN CN201821248171.6U patent/CN209042756U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114279102A (en) * | 2021-12-14 | 2022-04-05 | 南京恒标斯瑞冷冻机械制造有限公司 | Falling film type evaporation refrigeration system and working method |
CN114279102B (en) * | 2021-12-14 | 2023-12-29 | 南京恒标斯瑞冷冻机械制造有限公司 | Falling film type evaporation cold refrigerating system and working method |
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