CN204494887U - Low form full-liquid type energy tower water source heat pump units - Google Patents
Low form full-liquid type energy tower water source heat pump units Download PDFInfo
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- CN204494887U CN204494887U CN201520149162.1U CN201520149162U CN204494887U CN 204494887 U CN204494887 U CN 204494887U CN 201520149162 U CN201520149162 U CN 201520149162U CN 204494887 U CN204494887 U CN 204494887U
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Abstract
The utility model discloses a kind of low form full-liquid type energy tower water source heat pump units, belong to refrigerating machine, the normal operation range that existing energy tower heat pump machine set technology is limited to energy tower heat pump main frame cannot be applied in the region of-10 DEG C ~-15 DEG C, the utility model comprise be connected in refrigerant circulation loop and according to cold-producing medium circular flow to arrange compressor, condenser, throttling arrangement and flooded evaporator, described condenser is connected to the high-pressure side of described compressor, described flooded evaporator is connected to the low-pressure side of described compressor, described compressor is hot pump in low temp operating mode dedicated compressor, described flooded evaporator adopts ultra-thin oil film high-efficiency evaporation pipe.This unit can realize reliability service under-23 DEG C of environment temperatures; More existing air conditioning mode all has good applicability and energy-saving effect.
Description
Technical field
The utility model belongs to refrigerating machine, specifically a kind of low form full-liquid type energy tower water source heat pump units.
Background technology
Energy tower heat pump technology is by energy tower and source pump effect, realizes heating, freezes and provide the novel energy-conserving technology of hot water.Winter, it utilized freezing point lower than the mounting medium of zero degree, low grade heat energy in the air that relative humidity under high efficiency extraction low temperature environment is higher, input a small amount of high-grade energy by energy tower heat pump unit, under realizing low temperature environment, low temperature heat energy is to the transmission of high temperature heat, reaches and heats object; Summer, due to the particular design of energy tower, plays the effect of high-efficiency cooling tower, is discharged to by heat in air and realizes refrigeration.This system winter temperature area more than-9 DEG C on the south the Changjiang river uses, and Performance Ratio air-cooled heat pump is stablized, and without frosting puzzlement, the average Energy Efficiency Ratio of unit winter operation is more than 3.5.Summer energy tower can play the effect of cooling tower, and unit eer is more than 5.0.With regard to air conditioning function:
1) compared with air-cooled heat pump without the puzzlement of frosting, and refrigeration efficiency can improve about 80%;
2) with earth source heat pump ratio, not by the impact of geological conditions, floor space is little, significantly can reduce construction investment;
3) with water resource heat pump ratio, not by the restriction of policy, underground water, surface water resources is not relied on;
4) with water-cooled main frame+heating boiler ratio, boiler can be save, and heating mode energy efficiency can improve about 30%.
In recent years, energy tower heat pump system winter temperature area more than-9 DEG C on the south the Changjiang river is applied, and achieves good economy and social benefit.Belong to the ground such as middle and upper reaches region, the Yangtze river basin and North of Yangtze River Zhengzhou, Xuzhou, Zaozhuang, Lianyun Harbour, Jining, Linyi, Suqian together, the lowest temperature over the years is between-10 DEG C ~-15 DEG C, analyze theoretically, use energy tower heat pump unit to be all better than cooling in summer traditional at present and winter heating mode in this region, but be limited to the normal operation range of current energy source tower heat pump main frame, traditional energy tower heat pump machine set technology cannot be applied in this region.
Utility model content
The technical assignment of the technical problems to be solved in the utility model and proposition overcomes the defect that normal operation range that existing energy tower heat pump machine set technology is limited to energy tower heat pump main frame cannot apply in the region of-10 DEG C ~-15 DEG C, provides a kind of low form full-liquid type energy tower water source heat pump units.
For reaching the purpose of this utility model, low form full-liquid type energy tower water source heat pump units of the present utility model comprises and to be connected in refrigerant circulation loop and according to the circular flow of cold-producing medium to the compressor arranged, condenser, throttling arrangement and flooded evaporator, described condenser is connected to the high-pressure side of described compressor, described flooded evaporator is connected to the low-pressure side of described compressor, it is characterized in that: described compressor is hot pump in low temp operating mode dedicated compressor, and described flooded evaporator adopts ultra-thin oil film high-efficiency evaporation pipe.
As optimization technique means: be configured with high-efficiency oil separator between described compressor outlet and condenser inlet.Described high-efficiency oil separator is vertical structure or horizontal type structure; Described high-efficiency oil separator establishes meticulous oil strainer or meticulous oil strainer and stainless steel wire screen packs.Described high-efficiency oil separator comprises housing, described housing is provided with air inlet, gas outlet, the oil return opening between described air inlet and gas outlet is provided with in described housing, described air inlet connects the high-pressure side of described compressor, condenser described in described gas outlet connects, described oil return opening connects the low-pressure side of described compressor.
As optimization technique means: be configured with device for drying and filtering between the outlet of described condenser and throttling arrangement.
As optimization technique means: described compressor is the one in opened compressor, semi-closed compressor, totally-enclosed compressor.
As optimization technique means: described compressor is the one in centrifugal compressor, screw compressor, piston compressor, scroll compressor according to contraction principle.
As optimization technique means: described compressor is that single compressor independently uses, or multiple compressors parallel connection uses.
As optimization technique means: described throttling arrangement is the one in orifice plates, electric expansion valve, heating power expansion valve.
As optimization technique means: described ultra-thin oil film high-efficiency evaporation pipe is the one in copper tube, aldubra pipe, Alpaka pipe.
The beneficial effects of the utility model are: adopt Low Temperature Thermal pump-type dedicated compressor, full-liquid type high-efficiency full solution type evaporimeter, corrosion-resistant heat exchange tube with novel secondary refrigerant compatibility, refrigeration oil depth-type filtration technology, ultra-thin oil film high-efficiency full solution type evaporation tube technology and the measure of low viscosity freezing wet goods series technique, can realize reliability service under-23 DEG C of environment temperatures.The low form full-liquid type energy tower water source heat pump system of this unit collocation energy tower composition can well solve cooling in summer and winter heating's problem on the ground such as Middle And Upper Reaches, the Yangtze river basin and the Zhengzhou of the North of Yangtze River lowest temperature over the years between-10 DEG C ~-15 DEG C, Xuzhou, Zaozhuang, Lianyun Harbour, Jining, Linyi, Suqian, and more existing air conditioning mode all has good applicability and energy-saving effect.
Accompanying drawing explanation
Fig. 1 is the system flow key diagram of the utility model low form full-liquid type energy tower water source heat pump units;
Fig. 2 is the structural representation of the utility model high-efficiency oil separator;
Number in the figure illustrates:
1-compressor, 2-high-efficiency oil separator, 3-condenser, 4-device for drying and filtering, 5-throttling arrangement, 6-flooded evaporator;
21-housing, 22-air inlet, 23-gas outlet, 24-stainless steel wire screen pack (main filter), the meticulous oil strainer of 25-, 26-first oil return opening, 27-second oil return opening.
Detailed description of the invention
Below in conjunction with Figure of description, the utility model is described further.
As shown in Figure 1, low form full-liquid type energy tower water source heat pump units of the present utility model, comprise be connected in refrigerant circulation loop and according to cold-producing medium circular flow to arrange compressor 1, condenser 3, throttling arrangement 5 and flooded evaporator 6, condenser 3 is connected to the high-pressure side of compressor 1, flooded evaporator 6 is connected to the low-pressure side of compressor 1, compressor 1 is hot pump in low temp operating mode dedicated compressor, , guarantee the reliability that unit heats under worst cold case, flooded evaporator 6 adopts ultra-thin oil film high-efficiency evaporation pipe, guarantee cold-producing medium high-efficiency evaporating at low temperatures.
Compressor 1 exports and be configured with high-efficiency oil separator 2 between condenser 3 import, efficiently can be separated, reduce the freezing oil mass entered in heat exchanger to the gas mixture that compressor is discharged.High-efficiency oil separator 2 is vertical structure or horizontal type structure; High-efficiency oil separator 2 establishes meticulous oil strainer or meticulous oil strainer and stainless steel wire screen packs.High-efficiency oil separator 2 comprises housing 21, housing 21 is provided with air inlet 22, gas outlet 23, and be provided with the oil return opening between air inlet 22 and gas outlet 23 in housing 21, air inlet 22 connects the high-pressure side of compressor 1, gas outlet 23 connects condenser 3, and oil return opening connects the low-pressure side of compressor 1.Device for drying and filtering 4 is configured with between the outlet of condenser 3 and throttling arrangement 5.Compressor 1 is the one in opened compressor, semi-closed compressor, totally-enclosed compressor.Compressor 1 is the one in centrifugal compressor, screw compressor, piston compressor, scroll compressor according to contraction principle.Compressor 1 is that single compressor independently uses, or multiple compressors parallel connection uses.Throttling arrangement 5 is the one in orifice plates, electric expansion valve, heating power expansion valve.Ultra-thin oil film high-efficiency evaporation pipe is the one in copper tube, aldubra pipe, Alpaka pipe.
Compressor 1 inlet flow is from the low-temperature low-pressure refrigerant steam (cold-producing medium that this unit uses can be the one in R22, R404A, R507A) of flooded evaporator 6, the superheated vapor of HTHP is become after steam is carried out compressing work done, enter to high-efficiency oil separator 2 by exhaust main and carry out the separation of the oil gas degree of depth, the refrigerant vapour of high pressure-temperature enters in water-cooled condenser 3 and carries out condensation afterwards, the heat of the air conditioning hot in condenser or cooling water absorption refrigeration agent is heated, and gaseous refrigerant is condensed into highly pressurised liquid.Highly pressurised liquid becomes low-temp low-pressure and the higher gas-fluid two-phase mixture of content liquid after throttling arrangement 5 reducing pressure by regulating flow, and these gas-fluid two-phase mixtures enter flooded evaporator 6.In flooded evaporator 6, the cold-producing medium of low-temp low-pressure is by the refrigerating medium generation exchange heat relatively high with temperature, and the heat that refrigerant liquid absorbs refrigerating medium is gasificated into steam, and refrigerant temperature reduces.Refrigerant vapour after gasification will be inhaled into compressor 1, circulate and so forth.Winter, it utilized freezing point lower than the mounting medium of zero degree, low grade heat energy in the outdoor low temperature and high relative humidity air of high efficiency extraction, a small amount of high-grade energy is inputted by energy tower heat pump unit, realize heat outdoor Cryogenic air to the heat energy transmission of high-temperature air conditioner hot water or health hot water, reach and heat object; Summer, due to the particular design of energy tower, plays the effect of high-efficiency cooling tower, is discharged to by heat in air and realizes refrigeration.
The utility model high-efficiency oil separator 2 as shown in Figure 2, meticulous oil strainer is provided with in this high-efficiency oil separator, refrigerant oil gas mixture after primary filter is after the depth-type filtration of meticulous oil strainer, nearly all refrigeration oil is separated to get off, the refrigeration oil of few part is only had to enter in heat exchanger with cold-producing medium, the heat exchange efficiency of heat exchanger can be improved on the one hand greatly, the oil return load of low temperature flooded evaporator can be reduced on the other hand.Unit adopts low viscous refrigeration oil, reduces the impact of refrigeration oil heat exchanging performance further and improves evaporimeter oil return reliability.Thus guarantee that unit runs to high efficient and reliable in low-temperature energy sources tower heat pump.
Flooded evaporator 6 of the present utility model have employed ultra-thin oil film high-efficiency evaporation pipe, guarantees cold-producing medium high-efficiency evaporating at low temperatures.Unit adopts low viscous refrigeration oil simultaneously, reduces the impact of refrigeration oil heat exchanging performance further and improves flooded evaporator oil return reliability, thus guarantees that unit high efficient and reliable in the application of low-temperature energy sources tower heat pump is run.For the characteristic of low temperature refrigerating medium, the material of heat exchanger tube is selected corrosion resistant aldubra, Alpaka, titanium pipe etc.By above technical measures, the low form full-liquid type energy tower water source heat pump system of this unit collocation energy tower composition can well solve cooling in summer and winter heating's problem on the ground such as Middle And Upper Reaches, the Yangtze river basin and the Zhengzhou of the North of Yangtze River lowest temperature over the years between-10 DEG C ~-15 DEG C, Xuzhou, Zaozhuang, Lianyun Harbour, Jining, Linyi, Suqian, and more existing air conditioning mode all has obvious advantage in applicability, energy saving.
Low form full-liquid type energy tower water source heat pump units of the present utility model, both the low form full-liquid type energy tower heat pump unit being applicable to new design and having produced, is also applicable to carry out repacking transformation to the low form full-liquid type energy tower heat pump unit of the low form full-liquid type energy tower heat pump unit used or stock.
Claims (10)
1. low form full-liquid type energy tower water source heat pump units, comprise be connected in refrigerant circulation loop and according to cold-producing medium circular flow to arrange compressor (1), condenser (3), throttling arrangement (5) and flooded evaporator (6), described condenser (3) is connected to the high-pressure side of described compressor (1), described flooded evaporator (6) is connected to the low-pressure side of described compressor (1), it is characterized in that: described compressor (1) is hot pump in low temp operating mode dedicated compressor, described flooded evaporator (6) adopts ultra-thin oil film high-efficiency evaporation pipe.
2. low form full-liquid type energy tower water source heat pump units according to claim 1, is characterized in that: be configured with high-efficiency oil separator (2) between described compressor (1) outlet and condenser (3) import.
3. low form full-liquid type energy tower water source heat pump units according to claim 2, is characterized in that: described high-efficiency oil separator (2) is vertical structure or horizontal type structure; Described high-efficiency oil separator (2) establishes meticulous oil strainer or meticulous oil strainer and stainless steel wire screen packs.
4. low form full-liquid type energy tower water source heat pump units according to claim 2, it is characterized in that: described high-efficiency oil separator (2) comprises housing (21), described housing (21) is provided with air inlet (22), gas outlet (23), the oil return opening be positioned between described air inlet (22) and gas outlet (23) is provided with in described housing (21), described air inlet (22) connects the high-pressure side of described compressor (1), condenser (3) described in described gas outlet (23) connects, described oil return opening connects the low-pressure side of described compressor (1).
5. low form full-liquid type energy tower water source heat pump units according to claim 1, is characterized in that: be configured with device for drying and filtering (4) between the outlet of described condenser (3) and throttling arrangement (5).
6. low form full-liquid type energy tower water source heat pump units according to claim 1, is characterized in that: described compressor (1) is opened compressor, one in semi-closed compressor, totally-enclosed compressor.
7. low form full-liquid type energy tower water source heat pump units according to claim 1, is characterized in that: described compressor (1) is the one in centrifugal compressor, screw compressor, piston compressor, scroll compressor according to contraction principle.
8. low form full-liquid type energy tower water source heat pump units according to claim 1, is characterized in that: described compressor (1) independently uses for single compressor, or multiple compressors parallel connection uses.
9. low form full-liquid type energy tower water source heat pump units according to claim 1, is characterized in that: described throttling arrangement (5) is orifice plates, one in electric expansion valve, heating power expansion valve.
10. low form full-liquid type energy tower water source heat pump units according to claim 1, is characterized in that: described ultra-thin oil film high-efficiency evaporation pipe is the one in copper tube, aldubra pipe, Alpaka pipe.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520149162.1U CN204494887U (en) | 2015-03-17 | 2015-03-17 | Low form full-liquid type energy tower water source heat pump units |
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| CN201520149162.1U CN204494887U (en) | 2015-03-17 | 2015-03-17 | Low form full-liquid type energy tower water source heat pump units |
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| CN204494887U true CN204494887U (en) | 2015-07-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910337A (en) * | 2016-05-06 | 2016-08-31 | 宁波工程学院 | Heat pump |
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2015
- 2015-03-17 CN CN201520149162.1U patent/CN204494887U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910337A (en) * | 2016-05-06 | 2016-08-31 | 宁波工程学院 | Heat pump |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 312300 Zhejiang city of Shaoxing province Shangyu city street high road No. 18 Patentee after: Zhejiang Guo Xiang air-conditioning limited company Address before: 312300 Zhejiang city of Shaoxing province Shangyu city street high road No. 18 Patentee before: Zhejiang Guo Xiang Air Conditioner Equipment Co., Ltd |
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| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 312300 Zhejiang city of Shaoxing province Shangyu city street high road No. 18 Patentee after: Zhejiang state auspicious Limited by Share Ltd Address before: 312300 Zhejiang city of Shaoxing province Shangyu city street high road No. 18 Patentee before: Zhejiang Guo Xiang air-conditioning limited company |