CN205825422U - A kind of efficient big temperature rise single-stage throttling intercooling heat pump water-heating machine - Google Patents
A kind of efficient big temperature rise single-stage throttling intercooling heat pump water-heating machine Download PDFInfo
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- CN205825422U CN205825422U CN201521101231.8U CN201521101231U CN205825422U CN 205825422 U CN205825422 U CN 205825422U CN 201521101231 U CN201521101231 U CN 201521101231U CN 205825422 U CN205825422 U CN 205825422U
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 36
- 239000003507 refrigerant Substances 0.000 claims abstract description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 239000007788 liquid Substances 0.000 claims abstract description 37
- 239000006200 vaporizer Substances 0.000 claims abstract description 29
- 239000000498 cooling water Substances 0.000 claims abstract description 10
- 239000012809 cooling fluid Substances 0.000 claims abstract description 3
- 238000009833 condensation Methods 0.000 claims description 4
- 230000005494 condensation Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 45
- 230000006835 compression Effects 0.000 description 13
- 238000007906 compression Methods 0.000 description 13
- 239000003795 chemical substances by application Substances 0.000 description 6
- 239000010687 lubricating oil Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
A kind of efficient big temperature rise single-stage throttling intercooling heat pump water-heating machine, the outlet of high pressure compressor connects with the refrigerant inlet of the first condenser, one tunnel of the refrigerant outlet of the first condenser connects with the cooling fluid inlet of subcooler through first throttle device, another road connects with the subcooled liquid entrance of subcooler, subcooler gas outlet connects with high pressure compressor entrance, the liquid outlet of subcooler is through the 3rd throttling arrangement, check valve, second throttling arrangement, vaporizer connects with the entrance of low pressure compressor, its outlet is divided into two strands, one connects through the refrigerant inlet of the first stop valve and the second condenser, the refrigerant outlet of the second condenser and the entrance connection of the second throttling arrangement；Another stock-traders' know-how second stop valve connects with the gas access of subcooler；Total cooling water inlet is by water pump and the second condenser, the connection of the first condenser, and the hot water outlet of the first condenser is total hot water outlet.This utility model effectively reduces energy consumption, improving energy efficiency and broadens the scope of work.
Description
Technical field
This utility model relates to field of water heaters, especially a kind of heat pump water-heating machine.
Background technology
Heat-pump hot-water function absorbs the heat energy in environment under electrical energy drive and is become high temperature heat and be used, normally
During use, its COP can reach about 4.Deepen instantly in environment especially haze harm day by day serious with energy problem, heat
Pump hot water machine has become the study hotspot in currently associated field, and is widely used in hotel, hospital, school, household water
Or even commercial production.But Teat pump boiler needs for consuming a large amount of electric energy after all, therefore improving its efficiency becomes one and changes
The emphasis entered.Additionally, at a temperature of northern China winter is relatively low, common heat-pump hot-water engine efficiency drastically declines even cannot
Run and the most seriously constrain its energy-saving effect.
Summary of the invention
In order to overcome the energy consumption of existing heat pump water-heating machine compared with the deficiency big, efficiency is relatively low, working range is the widest, this practicality
A kind of effective reduction energy consumption of novel offer, improving energy efficiency, the efficient big temperature rise single-stage throttling intercooling that broadens the scope of work
Heat pump water-heating machine.
This utility model solves its technical problem and be the technical scheme is that
A kind of efficient big temperature rise single-stage throttling intercooling heat pump water-heating machine, including high pressure compressor, low pressure compressor,
First condenser, the second condenser, subcooler and vaporizer, the outlet of described high pressure compressor and the system of described first condenser
Cryogen entrance connects, and a road of the refrigerant outlet of described first condenser is cold through first throttle device and described subcooler
But fluid intake connection, another road of the refrigerant outlet of described first condenser connects with the subcooled liquid entrance of described subcooler
Logical, the gas outlet of described subcooler connects with the entrance of described high pressure compressor, and the liquid outlet of described subcooler is through the
The entrance connection of three throttling arrangements, check valve and the second throttling arrangement, the outlet of described second throttling arrangement and described vaporizer
Entrance connection, the outlet of described vaporizer connects with the entrance of described low pressure compressor, and the outlet of described low pressure compressor divides
Being two strands, one connects through the refrigerant inlet of the first stop valve and the second condenser, the cold-producing medium of described second condenser
Outlet connects with the entrance of described second throttling arrangement；Another stock-traders' know-how crosses the gas access of the second stop valve and described subcooler even
Logical；
Total cooling water inlet is connected by the cooling water inlet of water pump and the second condenser, the hot water outlet of described second condenser
Connecting with the cooling water inlet of described first condenser, the hot water outlet of described first condenser is total hot water outlet.
Further, the outlet of described vaporizer connects with the entrance of gas-liquid separator, and the gas of described gas-liquid separator goes out
Mouth connects with the entrance of described low pressure compressor.
Further, the outlet of described high pressure compressor is connected with the entrance of the first oil eliminator, described first separating of oil
The oil export of device connects with the entrance of described high pressure compressor, and the refrigerant outlet of described first oil eliminator is first cold with described
The refrigerant inlet connection of condenser；The outlet of described low pressure compressor is connected with the entrance of the second oil eliminator, described second oil
The oil export of separator connects with the entrance of described low pressure compressor, and the refrigerant outlet of described second oil eliminator is divided into two strands
It is connected with the entrance of the first stop valve and the entrance of the second stop valve respectively.
Further, arrange defrost between refrigerant outlet and the entrance of described vaporizer of described second condenser to prop up
Pipe, described defrost arm is installed the 3rd stop valve.
The outlet of described vaporizer connects with the entrance of described high pressure compressor through the 4th stop valve, described subcooler
Gas outlet is connected with the entrance of the 5th stop valve, and the outlet of described 5th stop valve is connected with high pressure compressor entrance.
Or: the gas outlet of described gas-liquid separator connects through the entrance of the 4th stop valve with described high pressure compressor
Logical, the gas outlet of described subcooler is connected with the entrance of the 5th stop valve, the outlet of described 5th stop valve and high pressure compressed
Machine entrance is connected.
The beneficial effects of the utility model are mainly manifested in:
1, use the throttling of two stages of compression two-stage, be greatly expanded range compared with single-stage heat pump, improve efficiency, and
And it is re-fed into high pressure stage compressor after being cooled down by low-pressure stage compressor air-discharging, and reduce high pressure stage compressor delivery temperature, permissible
Produce the higher hot water of temperature and improve system stability；
2, compare existing two stages of compression heat pump, have employed two-step heating hot water dexterously, when hot water temperature rise is bigger, can
To a certain degree to reduce the wasted work of high pressure compressor, improve system energy efficiency the most further.Essentially, existing directly
Hot type Teat pump boiler has bigger heat transfer temperature difference and i.e. produces bigger entropy product, and circulating heat pump water heater then can be by cold water
Causing bigger entropy with hot water as mixing to produce, this utility model then decreases above-mentioned entropy and produces, and improves the heating power of system
Learn integrity；
3, most suitable pattern can be selected under different seasons, different external condition, promote season to greatest extent
Energy-conservation effect, and ensure the stable operation of system.The simple pipeline of parts is flexible, and logical too small amount of stop valve switching how realizes two-stage
Compression two-step heating pattern, two stages of compression one-level heating mode, low-pressure stage compression single-stage heating mode, hiigh pressure stage compression single-stage add
Heat pattern and hot-gas bypass defrost pattern.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of efficient big temperature rise single-stage throttling intercooling heat pump water-heating machine.
Fig. 2 is the schematic diagram of another kind of efficient big temperature rise single-stage throttling intercooling heat pump water-heating machine.
Fig. 3 is the schematic diagram of another efficient big temperature rise single-stage throttling intercooling heat pump water-heating machine.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further described.
With reference to Fig. 1～Fig. 3, a kind of efficient big temperature rise single-stage throttling intercooling heat pump water-heating machine, including high pressure compressed
Machine 1, low pressure compressor the 10, first condenser the 3, second condenser 13, subcooler 5 and vaporizer 8, described high pressure compressor 1
Outlet connects with the refrigerant inlet of described first condenser 3, and a road of the refrigerant outlet of described first condenser 3 is through the
One throttling arrangement 4 connects with the cooling fluid inlet of described subcooler 5, another of the refrigerant outlet of described first condenser 3
Road connects with the subcooled liquid entrance of described subcooler 5, and the gas outlet of described subcooler 5 enters with described high pressure compressor 1
Mouth connection, the liquid outlet of described subcooler 5 connects through the entrance of the 3rd throttling arrangement 19, check valve 6 and the second throttling arrangement 7
Logical, the outlet of described second throttling arrangement 7 connects with the entrance of described vaporizer 8, the outlet of described vaporizer 8 and described low pressure
The entrance connection of compressor 10, the outlet of described low pressure compressor 10 is divided into two strands, and one is through the first stop valve 12 and second
The refrigerant inlet connection of condenser 13,13 refrigerant outlets of described second condenser enter with described second throttling arrangement 7
Mouth connection；Another stock-traders' know-how is crossed the second stop valve 14 and is connected with the gas access of described subcooler 5；
Total cooling water inlet is connected with the cooling water inlet of the second condenser 13 by water pump 15, the heat of described second condenser 13
Water out connects with the cooling water inlet of described first condenser 3, and the hot water outlet of described first condenser 3 is total hot water outlet.
Further, the outlet of described vaporizer 8 connects with the entrance of gas-liquid separator 9, the gas of described gas-liquid separator 9
Outlet connects with the entrance of described low pressure compressor 10.
Further, the outlet of described high pressure compressor 1 is connected with the entrance of the first oil eliminator 2, described first oil point
Connecting with the entrance of described high pressure compressor 1 from the oil export of device 2, the refrigerant outlet of described first oil eliminator 2 is with described
The refrigerant inlet connection of the first condenser 3；The outlet of described low pressure compressor 10 is connected with the entrance of the second oil eliminator 11,
The oil export of described second oil eliminator 11 connects with the entrance of described low pressure compressor 10, the system of described second oil eliminator 11
Cryogen outlet is divided into two stocks not to be connected with the entrance of the first stop valve and the entrance of the second stop valve.
Further, between refrigerant outlet and the entrance of described vaporizer 8 of described second condenser 13, defrost is set
Arm, described defrost arm is installed the 3rd stop valve 16.
The outlet of described vaporizer connects with the entrance of described high pressure compressor through the 4th stop valve, described subcooler
Gas outlet is connected with the entrance of the 5th stop valve, and the outlet of described 5th stop valve is connected with high pressure compressor entrance.
Or: the gas outlet of described gas-liquid separator 9 enters through the 4th stop valve 17 and described high pressure compressor 1
Mouthful connection, the gas outlet of described subcooler 5 is connected with the entrance of the 5th stop valve 18, the outlet of described 5th stop valve 18 and
High pressure compressor 1 entrance is connected.
The work process of the present embodiment is:
With reference to Fig. 1:
Two stages of compression two-step heating pattern: when ambient temperature is relatively low, required hot water temperature is the highest, and inlet water temperature
Using this pattern, the first stop valve 12 all to open with the second stop valve 14 time relatively low, high pressure compressor 1, low pressure compressor 10 are equal
Running, water pump 15 runs.The oil-containing gaseous refrigerant of High Temperature High Pressure exits into the first oil eliminator from high pressure compressor 1 outlet
2, the lubricating oil in refrigerating agent containing oil is separated at the first oil eliminator and flows out back from the oil export of the first oil eliminator 2
To suction port of compressor, the cold-producing medium of High Temperature High Pressure exits into the first condenser 3 cold-producing medium from the refrigerant outlet of oil eliminator
Entry exotherm condenses, and the liquid refrigerant of high pressure flows out from the refrigerant outlet of the first condenser 3 and is divided into two-way, and the first via is passed through
Becoming the gas-liquid mixed refrigerant of middle pressure after first throttle device 4 and enter the low-temperature refrigerant entrance of subcooler 5, the second tunnel is entered
Enter the high-temp liquid entrance of subcooler 5 and be too cold, supercool after liquid refrigerant flow out from the liquid outlet of subcooler 5 and pass through
3rd throttling arrangement 19 with mix with the liquid refrigerant from the second condenser 13 after check valve 6 after through the second throttling arrangement
The refrigerant air-liquid mixture entrance vaporizer 8 becoming low-temp low-pressure after 7 absorbs amount of heat, the low-temp low-pressure after heat absorption evaporation
Gaseous refrigerant is then drawn into the entrance of low pressure compressor 10 through gas-liquid separator 9, the refrigerating agent containing oil of medium temperature and medium pressure from
The outlet of low pressure compressor 10 is discharged into the second oil eliminator 11, and lubricating oil therein is from the oil export of the second oil eliminator 11
Flowing out the entrance returning low pressure compressor 10, the cold-producing medium of medium temperature and medium pressure is then from the refrigerant outlet stream of the second oil eliminator 11
Going out and be divided into two strands, one condenses heat release in the first stop valve 12 enters the second condenser 13 and becomes the liquid refrigeration of middle pressure
Agent, mixes with the cold-producing medium exported from check valve 6 after the refrigerant outlet of the second condenser 13 flows out, and another road is through the
Two stop valves 14 enter the gas access of subcooler 5, and saturated medium pressure gas cold-producing medium flows out from the gas outlet of subcooler 5,
Return the entrance of high pressure compressor 1.Cold water enters after water pump 15 in second condenser 13 and is tentatively heated, and becomes middle warm
Water, then enters back into the first condenser 3 and is further heated, and flows out from the first condenser 3 water out and supply after becoming high-temperature-hot-water
To user.
In order to of the present utility model energy-saving effect is better described, shown below is based on two stages of compression two-step heating pattern
Systematic simulation calculation result and with traditional single-stage heat pump and with the patent (200720039229.1) the two-stage pressure as representative
Contracting heat pump (including spraying enthalpy increasing heat pump) contrasts.During calculating, all parts models with preservation of energy according to the conservation of mass, pressure
Contracting machine isentropic efficiency employing Navarro-Peris etc. (International Journal of Refrigeration, 2013,
36 (7)) equation proposed, ignores pipeline friction loss and leakage heat, and other setup parameters are shown in Table 1, the results are shown in Table 2.
As can be known from the results of Table 2, COP of the present utility model is the highest, higher by 10.2%, than tradition than two stages of compression heat pump
Single-stage heat pump exceed 44.1% especially.
Table 1
Table 2
Two stages of compression two-step heating pattern: when ambient temperature is relatively low, required hot water temperature is the highest, and inlet water temperature
Using this pattern, the first stop valve 12 to close time more higher than ambient temperature, the second stop valve 14 is opened, high pressure compressor 1, low
Pressure compressor 10 all runs, and water pump 15 runs.Running now is compared with regular run mode, due to the first stop valve 12
Closing, the second condenser 13 does not works, from water pump 15 out cold water through the second condenser 13 time be not heated, but only the
One condenser 3 is heated.
Low-pressure stage compression single-stage heating mode: when ambient temperature is of a relatively high, and use when required hot water temperature is normal and be somebody's turn to do
Pattern.First stop valve 12 is opened, and the second stop valve 14 is closed, and high pressure compressor 1 cuts out, and low pressure compressor 10 runs, water pump
15 run.The refrigerating agent containing oil of High Temperature High Pressure is discharged into the second oil eliminator 11 from the outlet of low pressure compressor 10, therein
Lubricating oil flows out the entrance returning low pressure compressor 10 from the oil export of the second oil eliminator 11,
The cold-producing medium of medium temperature and medium pressure then flows out through the first stop valve 12 from the refrigerant outlet of the second oil eliminator 11
Enter and the second condenser 13 condenses the liquid refrigerant that heat release becomes, warp after the refrigerant outlet of the second condenser 13 flows out
The refrigerant air-liquid mixture entrance vaporizer 8 becoming low-temp low-pressure after crossing the second throttling arrangement 7 absorbs amount of heat, and heat absorption is steamed
Low-temp low-pressure gaseous refrigerant after Faing is inhaled into the entrance of low pressure compressor 10 through the second gas-liquid separator 9.Cold water passes through
Enter in the second condenser 13 heated, owing to the first condenser 3 does not works, when hot water flows through the first condenser 3 after water pump 15
It is not heated, finally flows out supply user from the first condenser 3 water out.
With reference to Fig. 2:
When outdoor environment temperature is near or below 0 DEG C, evaporating temperature can reach less than 0 DEG C, may outside vaporizer
Frosting can freeze, now need the vaporizer to heat pump water-heating machine to carry out defrost.Therefore, in the second condensation on the basis of Fig. 1
Add the 3rd stop valve 16 between refrigerant outlet and the entrance of vaporizer 8 of device 2, and connect with pipeline, it is possible to achieve heat
Gas bypass defrosting function so that heat pump water-heating machine can more stably run.In addition to increasing defrost power, this flow process can be real
Existing function is as Fig. 1, and the 3rd stop valve 16 remains turned-off when realizing the pattern of Fig. 1.
Hot-gas bypass defrost pattern: the first stop valve 12 is opened, the second stop valve 14 is closed, the 3rd stop valve 16 is opened,
High pressure compressor 1 cuts out, and low pressure compressor 10 runs, and water pump 15 cuts out.The gaseous state refrigerating agent containing oil of High Temperature High Pressure is from low pressure pressure
The outlet of contracting machine 10 is discharged into the second oil eliminator 11, and lubricating oil therein flows out from the oil export of the second oil eliminator 11 and returns
Returning the entrance of low pressure compressor 10, high temperature liquid refrigerant then flows out through the from the refrigerant outlet of the second oil eliminator 11
One stop valve 12 and the second condenser 13, owing to water pump 15 cuts out, the second condenser 13 does not works, and high temperature liquid refrigerant does not exists
Second condenser 13 carries out heat exchange, high temperature liquid refrigerant after the refrigerant outlet of the second condenser 13 flows out through the 3rd
Entering vaporizer 8 heat release after stop valve 16 so that vaporizer outer wall defrost, cold-producing medium flows out through second from vaporizer 8 outlet
The entrance of low pressure compressor 10 finally it is inhaled into after gas-liquid separator 9.
With reference to Fig. 3:
When ambient temperature is of a relatively high, and when required hot water temperature is normal, the embodiment of Fig. 1 uses low pressure compressor 10
Carry out single stage compress heating mode, and Fig. 3 adds the 4th stop valve 17 and the 5th stop valve 18 so that carry out single-stage pressure
High pressure compressor 1 can also be used, due to rated power and the cylinder chi of high pressure compressor 1 and low pressure compressor 10 during contracting heating
Very little difference, therefore expands the heating power scope of single stage compress heating mode, also improves the utilization of high pressure compressor simultaneously
Rate.This flow process is in addition to can realizing hiigh pressure stage compression single-stage heating mode, it is also possible to realize all operation moulds of Fig. 1 and Fig. 2
Formula, only need to remain turned-off the 4th stop valve 17, and the 5th stop valve 18 is held open.
Hiigh pressure stage compression single-stage heating mode: the first stop valve 12, the second stop valve 14, the 3rd stop valve 16, the 5th section
Only valve 18 cuts out, and the 4th stop valve 17 is opened, and high pressure compressor 1 is opened with water pump 15, and low pressure compressor 10 cuts out.High Temperature High Pressure
Oil-containing gaseous refrigerant from high pressure compressor 1 outlet exit into the first oil eliminator 2, the lubricating oil in refrigerating agent containing oil exists
First oil eliminator is separated and outflows back to suction port of compressor from the oil export of the first oil eliminator 2, High Temperature High Pressure
Cold-producing medium exits into the first condenser 3 refrigerant inlet exothermic condensation, the liquid of high pressure from the refrigerant outlet of oil eliminator
Cold-producing medium flows out through subcooler 5 but not heat exchange from the refrigerant outlet of the first condenser 3, then the liquid outlet from subcooler 5
Flow out after the 3rd throttling arrangement 19 with check valve 6, again through the second throttling arrangement 7, become the cold-producing medium gas of low-temp low-pressure
Liquid mixture enters vaporizer 8 and absorbs amount of heat, and the low-temp low-pressure gaseous refrigerant after heat absorption evaporation divides through the second gas-liquid
It is then passed through Section of four stop valve 17 from device 9 and returns the entrance of high pressure compressor 1.Cold water flows through the second condensation after water pump 15
Device 13 but do not heat, then enter back into the first condenser 3 and be heated, become after high-temperature-hot-water from the first condenser 3 water out stream
Go out to supply user.
Claims (8)
1. an efficient big temperature rise single-stage throttling intercooling heat pump water-heating machine, it is characterised in that: include high pressure compressor, low
Pressure compressor, the first condenser, the second condenser, subcooler and vaporizer, the outlet of described high pressure compressor and described first
Condenser refrigerant inlet connection, a road of the refrigerant outlet of described first condenser through first throttle device with described
The cooling fluid inlet connection of subcooler, another road of the refrigerant outlet of described first condenser is supercool with described subcooler
Liquid inlet connects, and the gas outlet of described subcooler connects with the entrance of described high pressure compressor, the liquid of described subcooler
Export through the 3rd throttling arrangement, check valve and the second throttling arrangement entrance connect, the outlet of described second throttling arrangement and
The entrance connection of described vaporizer, the outlet of described vaporizer connects with the entrance of described low pressure compressor, and described low pressure is compressed
The outlet of machine is divided into two strands, and one connects through the refrigerant inlet of the first stop valve and the second condenser, described second condensation
The refrigerant outlet of device connects with the entrance of described second throttling arrangement；Another stock-traders' know-how crosses the second stop valve and described subcooler
Gas access connects；
Total cooling water inlet is connected by the cooling water inlet of water pump and the second condenser, the hot water outlet of described second condenser and institute
Stating the cooling water inlet connection of the first condenser, the hot water outlet of described first condenser is total hot water outlet.
2. efficient big temperature rise single-stage throttling intercooling heat pump water-heating machine as claimed in claim 1, it is characterised in that: described
The outlet of vaporizer connects with the entrance of gas-liquid separator, the gas outlet of described gas-liquid separator and described low pressure compressor
Entrance connects.
3. efficient big temperature rise single-stage throttling intercooling heat pump water-heating machine as claimed in claim 1, it is characterised in that: described
The outlet of high pressure compressor is connected with the entrance of the first oil eliminator, the oil export of described first oil eliminator and described high pressure pressure
The entrance connection of contracting machine, the refrigerant outlet of described first oil eliminator connects with the refrigerant inlet of described first condenser；
The outlet of described low pressure compressor is connected with the entrance of the second oil eliminator, and the oil export of described second oil eliminator is with described
The entrance connection of low pressure compressor, the refrigerant outlet of described second oil eliminator be divided into two stocks not with the entering of the first stop valve
The entrance of mouth and the second stop valve connects.
4. efficient big temperature rise single-stage throttling intercooling heat pump water-heating machine as claimed in claim 2, it is characterised in that: described
The outlet of high pressure compressor is connected with the entrance of the first oil eliminator, the oil export of described first oil eliminator and described high pressure pressure
The entrance connection of contracting machine, the refrigerant outlet of described first oil eliminator connects with the refrigerant inlet of described first condenser；
The outlet of described low pressure compressor is connected with the entrance of the second oil eliminator, and the oil export of described second oil eliminator is low with described
The entrance connection of pressure compressor, the refrigerant outlet of described second oil eliminator is divided into two stocks not and the entrance of the first stop valve
And second stop valve entrance connect.
5. the efficient big temperature rise single-stage throttling intercooling heat pump water-heating machine as described in one of Claims 1 to 4, its feature exists
In: defrost arm, described defrost arm are set between refrigerant outlet and the entrance of described vaporizer of described second condenser
Upper installation the 3rd stop valve.
6. the efficient big temperature rise single-stage throttling intercooling heat pump water-heating machine as described in one of Claims 1 to 4, its feature exists
In: the outlet of described vaporizer connects with the entrance of described high pressure compressor through the 4th stop valve, the gas of described subcooler
Outlet is connected with the entrance of the 5th stop valve, and the outlet of described 5th stop valve is connected with high pressure compressor entrance.
7. efficient big temperature rise single-stage throttling intercooling heat pump water-heating machine as claimed in claim 5, it is characterised in that: described
The outlet of vaporizer connects with the entrance of described high pressure compressor through the 4th stop valve, the gas outlet of described subcooler and the
The entrance of five stop valves is connected, and the outlet of described 5th stop valve is connected with high pressure compressor entrance.
8. efficient big temperature rise single-stage throttling intercooling heat pump water-heating machine as claimed in claim 2, it is characterised in that: described
The gas outlet of gas-liquid separator connects with the entrance of described high pressure compressor through the 4th stop valve, the gas of described subcooler
Outlet is connected with the entrance of the 5th stop valve, and the outlet of described 5th stop valve is connected with high pressure compressor entrance.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521101231.8U CN205825422U (en) | 2015-12-25 | 2015-12-25 | A kind of efficient big temperature rise single-stage throttling intercooling heat pump water-heating machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521101231.8U CN205825422U (en) | 2015-12-25 | 2015-12-25 | A kind of efficient big temperature rise single-stage throttling intercooling heat pump water-heating machine |
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| Publication Number | Publication Date |
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| CN205825422U true CN205825422U (en) | 2016-12-21 |
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ID=58147347
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521101231.8U Withdrawn - After Issue CN205825422U (en) | 2015-12-25 | 2015-12-25 | A kind of efficient big temperature rise single-stage throttling intercooling heat pump water-heating machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546818A (en) * | 2015-12-25 | 2016-05-04 | 浙江工业大学 | Efficient large-temperature-rise single-stage-throttling intercooling heat pump water heater |
| CN109931703A (en) * | 2018-04-11 | 2019-06-25 | 浙江工业大学 | A kind of efficient step coupling heat pump water heater |
-
2015
- 2015-12-25 CN CN201521101231.8U patent/CN205825422U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546818A (en) * | 2015-12-25 | 2016-05-04 | 浙江工业大学 | Efficient large-temperature-rise single-stage-throttling intercooling heat pump water heater |
| CN105546818B (en) * | 2015-12-25 | 2018-03-16 | 浙江工业大学 | A kind of efficient big temperature rise single-stage throttling cooling during rolling heat pump water-heating machine |
| CN109931703A (en) * | 2018-04-11 | 2019-06-25 | 浙江工业大学 | A kind of efficient step coupling heat pump water heater |
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Granted publication date: 20161221 Effective date of abandoning: 20180316 |