CN208238288U - A kind of tonifying Qi Two-stage Compression high temperature heat pump unit - Google Patents
A kind of tonifying Qi Two-stage Compression high temperature heat pump unit Download PDFInfo
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- CN208238288U CN208238288U CN201820735159.1U CN201820735159U CN208238288U CN 208238288 U CN208238288 U CN 208238288U CN 201820735159 U CN201820735159 U CN 201820735159U CN 208238288 U CN208238288 U CN 208238288U
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- compressor
- valve
- tonifying
- heat pump
- high temperature
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Abstract
The utility model discloses a kind of tonifying Qi Two-stage Compression high temperature heat pump units, it includes evaporator (1), condenser (2), throttle expansion valve (3), the first compressor (4), the second compressor (5), economizer (6), the first aeration valve (7), the second aeration valve (8), the first control valve (9) and the second control valve (10).The structure design of the utility model is reasonable, and two kinds of operating conditions of single stage compress and Two-stage Compression can be used, and system flexible operation is reliable；The delivery temperature of compressor is reduced by tonifying Qi technology, increases refrigerant flow, it is ensured that the enough degree of supercoolings of refrigerant, and the Energy Efficiency Ratio of unit can be increased, the performance of high temperature heat pump unit is promoted, there is economic and social benefit well.
Description
Technical field
The utility model relates to a kind of tonifying Qi Two-stage Compression high temperature heat pump units, are suitable for Heating,Ventilating and Air Conditioning technical field.
Background technique
Heat pump is the equipment that the thermal energy in low temperature position is delivered to high-temperature position, and energy-saving effect is significant, in energy shortages
Under overall background, the application of heat pump techniques is also more and more extensive.In general, high temperature heat pump refers to that heating leaving water temperature can reach
85 degree or more of heat pump is usually used in the fields such as district cooling and heating, industry heating.But the hot water temperature provided due to high temperature heat pump
Higher, heat pump system usually condensation temperature with higher causes compressor power consumption to increase, and delivery temperature increases, compressor displacement
Product efficiency causes refrigerant flow to reduce while reduction, the efficiency decline of system.And by increasing economizer, it can be to compression
Machine suction inlet supplements the refrigerant gas of shwoot in economizer, to reduce the delivery temperature of compressor, while supplementing refrigerant
Flow makes refrigerant obtain biggish degree of supercooling, the Energy Efficiency Ratio of high temperature heat pump can be improved.
Therefore, it is necessary to design a kind of tonifying Qi Two-stage Compression high temperature heat pump unit on the basis of existing technology.
Utility model content
The purpose of the utility model is to provide a kind of reasonable in design, tonifying Qi Two-stage Compression high temperature heat pumps of environmental protection and energy saving
Unit.Tonifying Qi Two-stage Compression high temperature heat pump unit provided by the utility model can reduce the delivery temperature of compressor, increase condensation
Refrigerant flow in device, to increase the heating capacity of heat pump.
To achieve the above object, the technical solution adopted in the utility model are as follows:
A kind of tonifying Qi Two-stage Compression high temperature heat pump unit, it includes evaporator, condenser, throttle expansion valve, the first compression
Machine, the second compressor, economizer, the first aeration valve, the second aeration valve, the first control valve and the second control valve；
The condenser is connected by pipeline with economizer, economizer and throttle expansion valve, the first aeration valve and second
Aeration valve is connected, and throttle expansion valve is connected with evaporator, and evaporator is connected with the first compressor, the first compressor and the first control
Valve and the second compressor are connected, and the second compressor is connected with the second control valve, the first control valve and the second control valve and condenser
It is connected；First aeration valve is connected with the pipeline between evaporator and the first compressor, the second aeration valve and the first compression
Pipeline between machine and the second compressor is connected.
A kind of tonifying Qi Two-stage Compression high temperature heat pump unit described in the utility model, the first compressor are low-pressure air compression
Machine, the second compressor are High-Pressure Compressor.
A kind of tonifying Qi Two-stage Compression high temperature heat pump unit described in the utility model, high temperature heat pump unit run mould
Formula is divided into single stage compress mode and Two-stage Compression mode.
When the described single stage compress mode operation, aeration valve and control valve are opened, and aeration valve and control valve are closed；High temperature is high
Compression refrigerant gas is condensed into liquid within the condenser, then cooling through economizer, and the refrigerant gas of shwoot is straight in economizer
It connects and fills into low-pressure stage compressor (the first compressor) suction inlet, through throttle expansion valve decrease temperature and pressure after other refrigerants are cooling, and
It is evaporated to the gas of low-temp low-pressure into evaporator, is mixed in the first compressor suction port with tonifying Qi, through compressor compresses at height
Warm high pressure gas is again introduced into condenser, completes cyclic process.
When the described Two-stage Compression mode operation, aeration valve and control valve are opened, and aeration valve and control valve are closed；High temperature is high
Compression refrigerant gas is condensed into liquid within the condenser, then cooling through economizer, and the refrigerant gas of shwoot is straight in economizer
It connects and fills into high pressure stage compressor (the second compressor) suction inlet, through throttle expansion valve decrease temperature and pressure after other refrigerants are cooling, and
It is evaporated to the gas of low-temp low-pressure into evaporator, after the first compressor compresses, in high pressure stage compressor suction inlet and mends
Gas mixing is again introduced into condenser after high pressure stage compressor second-compressed, completes cyclic process.
The utility model has the advantages that a kind of tonifying Qi Two-stage Compression high temperature heat pump unit provided by the utility model has the advantage that
The structure design of the utility model is reasonable, and two kinds of operating conditions of single stage compress and Two-stage Compression, system operation can be used
Flexibility and reliability；The delivery temperature of compressor is reduced by tonifying Qi technology, increases refrigerant flow, it is ensured that the enough mistakes of refrigerant
Cold degree, and the Energy Efficiency Ratio of unit can be increased, the performance of high temperature heat pump unit is promoted, there is economic and social benefit well.
Detailed description of the invention
Fig. 1 is utility model works process flow diagram flow chart.
In the figure, it is marked as 1: evaporator；2: condenser；3: throttle expansion valve；4: the first compressors；5: the second compressors；
6: economizer；7: the first aeration valves；8: the second aeration valves；9: the first control valves；10: the second control valves.
Specific embodiment
The utility model is furtherd elucidate with reference to the accompanying drawing:
As shown in Figure 1, a kind of tonifying Qi Two-stage Compression high temperature heat pump unit, it includes evaporator 1, condenser 2, throttling expansion
Valve 3, the first compressor 4, the second compressor 5, economizer 6, the first aeration valve 7, the second aeration valve 8, the first control valve 9 and second
Control valve 10；
The condenser 2 is connected by pipeline with economizer 6, economizer 6 and throttle expansion valve 3, the first aeration valve 7 and
Second aeration valve 8 is connected, and throttle expansion valve 3 is connected with evaporator 1, and evaporator 1 is connected with the first compressor 4, the first compressor 4
It is connected with the first control valve 9 and the second compressor 5, the second compressor 5 is connected with the second control valve 10, the first control valve 9 and
Two control valves 10 are connected with condenser 2；First aeration valve 7 and the pipeline phase between evaporator 1 and the first compressor 4
Even, the pipeline between the second aeration valve 8 and the first compressor 4 and the second compressor 5 is connected.
A kind of above-described tonifying Qi Two-stage Compression high temperature heat pump unit, the first compressor 4 are low pressure air compressor, the
Two compressors 5 are High-Pressure Compressor.
Tonifying Qi Two-stage Compression high temperature heat pump unit provided by the utility model, operational mode be divided into single stage compress mode and
Two-stage Compression mode.
When its single stage compress mode operation, aeration valve 7 and control valve 9 are opened, and aeration valve 8 and control valve 10 are closed；High temperature
Higher pressure refrigerant gas is condensed into liquid, then cooling, the refrigerant gas of shwoot in economizer 6 through economizer 6 in condenser 2
Body directly fills into 4 suction inlet of the first compressor, through 3 decrease temperature and pressure of throttle expansion valve after other refrigerants are cooling, and enters evaporation
Device 1 is evaporated to the gas of low-temp low-pressure, mixes in 4 suction inlet of the first compressor with tonifying Qi, through compressor compresses at high temperature and pressure
Gas is again introduced into condenser 3, completes cyclic process.
When its Two-stage Compression mode operation, aeration valve 8 and control valve 10 are opened, and aeration valve 7 and control valve 9 are closed；High temperature
Higher pressure refrigerant gas is condensed into liquid, then cooling, the refrigerant gas of shwoot in economizer 6 through economizer 6 in condenser 2
Body directly fills into 5 suction inlet of high pressure stage compressor, through 3 decrease temperature and pressure of throttle expansion valve after other refrigerants are cooling, and enter and steams
Hair device 1 is evaporated to the gas of low-temp low-pressure, mixed in 5 suction inlet of high pressure stage compressor and tonifying Qi after being compressed by the first compressor 4
It closes, after 5 second-compressed of high pressure stage compressor, is again introduced into condenser 2, completes cyclic process.
The above is only the preferred embodiment of the present invention, is not limited to utility model, although referring to aforementioned
The detailed description that embodiment carries out the utility model for those skilled in the art still can be to aforementioned each
Technical solution documented by embodiment is modified, or carries out equivalent exchange to part of technical characteristic.It is all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (2)
1. a kind of tonifying Qi Two-stage Compression high temperature heat pump unit, it is characterised in that: it includes evaporator (1), condenser (2), throttling
Expansion valve (3), the first compressor (4), the second compressor (5), economizer (6), the first aeration valve (7), the second aeration valve (8),
First control valve (9) and the second control valve (10)；
The condenser (2) is connected by pipeline with economizer (6), economizer (6) and throttle expansion valve (3), the first tonifying Qi
Valve (7) is connected with the second aeration valve (8), and throttle expansion valve (3) is connected with evaporator (1), evaporator (1) and the first compressor
(4) it is connected, the first compressor (4) is connected with the first control valve (9) and the second compressor (5), the second compressor (5) and the second control
Valve (10) processed is connected, and the first control valve (9) and the second control valve (10) are connected with condenser (2)；First aeration valve (7)
Pipeline between evaporator (1) and the first compressor (4) is connected, the second aeration valve (8) and the first compressor (4) and the second pressure
Pipeline between contracting machine (5) is connected.
2. a kind of tonifying Qi Two-stage Compression high temperature heat pump unit according to claim 1, it is characterised in that: the first compressor
It (4) is low pressure air compressor, the second compressor (5) is High-Pressure Compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820735159.1U CN208238288U (en) | 2018-05-16 | 2018-05-16 | A kind of tonifying Qi Two-stage Compression high temperature heat pump unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820735159.1U CN208238288U (en) | 2018-05-16 | 2018-05-16 | A kind of tonifying Qi Two-stage Compression high temperature heat pump unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208238288U true CN208238288U (en) | 2018-12-14 |
Family
ID=64579496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820735159.1U Expired - Fee Related CN208238288U (en) | 2018-05-16 | 2018-05-16 | A kind of tonifying Qi Two-stage Compression high temperature heat pump unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208238288U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021004304A1 (en) * | 2019-07-09 | 2021-01-14 | 珠海格力节能环保制冷技术研究中心有限公司 | Refrigeration/heat pump system having two-stage compression and multiple air suplementations, control method therefor and air conditioner |
| CN113677939A (en) * | 2019-03-29 | 2021-11-19 | 大金工业株式会社 | Refrigeration cycle device |
-
2018
- 2018-05-16 CN CN201820735159.1U patent/CN208238288U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113677939A (en) * | 2019-03-29 | 2021-11-19 | 大金工业株式会社 | Refrigeration cycle device |
| CN113677939B (en) * | 2019-03-29 | 2023-04-04 | 大金工业株式会社 | Refrigeration cycle device |
| WO2021004304A1 (en) * | 2019-07-09 | 2021-01-14 | 珠海格力节能环保制冷技术研究中心有限公司 | Refrigeration/heat pump system having two-stage compression and multiple air suplementations, control method therefor and air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181214 Termination date: 20210516 |