CN201155885Y - Full heat reclamation type screw type heat pump units - Google Patents
Full heat reclamation type screw type heat pump units Download PDFInfo
- Publication number
- CN201155885Y CN201155885Y CNU2007201909708U CN200720190970U CN201155885Y CN 201155885 Y CN201155885 Y CN 201155885Y CN U2007201909708 U CNU2007201909708 U CN U2007201909708U CN 200720190970 U CN200720190970 U CN 200720190970U CN 201155885 Y CN201155885 Y CN 201155885Y
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- Prior art keywords
- condenser
- heat pump
- refrigerant
- full
- heat
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Abstract
The utility model relates to a full-heat recovery screw type heat pump unit which relates to the technical field of air conditioning and refrigeration. The unit comprises an air conditioning and refrigeration system consisting of a screw compressor, a condenser, a thermal expansion valve and an evaporator. The structure is characterized in that the condenser is a double-pipe bundle shell condenser. The full-heat recovery screw type heat pump unit not only can simplify a refrigerant system, but also is free to control a refrigerant flow path and is characterized by simple control and cost saving.
Description
Technical field
The utility model relates to the air conditioner refrigerating technical field, particularly full thermal recovery screw rod type heat pump machine unit.
Background technology
Characteristics such as screw rod type heat pump machine unit is big owing to its refrigerating capacity, fault rate is low are widely used in the air-conditioning system of building.How improving utilization efficiency of energy and reach purpose of energy saving, is present subject matter.Condensation waste heat when reclaiming refrigeration is used to produce the domestic hot-water, is undoubtedly best settling mode.
The recuperation of heat of screw rod type heat pump machine unit is divided into portion of hot and reclaims and full recuperation of heat.Portion of hot reclaims the main sensible heat part that reclaims the cold-producing medium exhaust, is the net quantity of heat that sensible heat adds latent heat and full recuperation of heat is reclaimed, and obviously full recuperation of heat is more energy-conservation.
In the prior art, the unit of full heat recovery system generally will adopt two condensers to realize that one is cooling water system, and another is used for recovery waste heat.Realize full recuperation of heat by the control refrigerant flow direction.Obviously utilize more than two condenser cost height, the material usage and refrigerant flow path control complexity.
Summary of the invention
In order to solve above-mentioned the deficiencies in the prior art, the purpose of this utility model provides a kind of full thermal recovery screw rod type heat pump machine unit.It not only can simplify refrigerant system, has also omitted the control to refrigerant flow path simultaneously, has the advantages that control is simple, save cost.
In order to reach the foregoing invention purpose, the technical solution of the utility model realizes as follows:
Full thermal recovery screw rod type heat pump machine unit, it comprises the air-conditioning refrigeration system of being made up of helical-lobe compressor, condenser, heating power expansion valve, evaporimeter.Its design feature is that described condenser is a double-tube bundle case condenser.
In above-mentioned screw rod type heat pump machine unit, described condenser comprises housing, the refrigerant loop of forming by refrigerant inlet, refrigerant outlet, the cooling water of being made up of cooling water inlet, coolant outlet in the housing reclaims the heat recovery water loop of being made up of heat recovery water import, heat recovery water outlet in loop and the housing.
The utility model uses a double-tube bundle case condenser owing to adopted said structure, has simplified refrigerant system.A public refrigerant side has omitted the control to refrigerant flow path in the condenser.The utility model has been simplified system pipeline, has reduced the trouble point of refrigeration system, has reduced the cost of source pump.
Below in conjunction with the drawings and specific embodiments the utility model is described further
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of double-tube bundle case condenser in the utility model.
The specific embodiment
Referring to Fig. 1 and Fig. 2, the utility model comprises the air-conditioning refrigeration system of being made up of helical-lobe compressor 1, double-tube bundle case condenser 3, heating power expansion valve 4, evaporimeter 2.Condenser 3 comprises housing 32, the refrigerant loop of forming by refrigerant inlet 31, refrigerant outlet 37, the cooling water of being made up of cooling water inlet 36, coolant outlet 33 in the housing 32 reclaims in loop and the housing 32 by heat recovery water import 35, the heat recovery water outlet 34 heat recovery water loops of forming.
There are two current roads double-tube bundle case condenser 3 inside of the utility model unit, and one is used for cooling water, and another is used for recuperation of heat.Two tube banks are present in the same housing, a public refrigerant side.Realize full recuperation of heat by control: open the heat recovery water loop when hot water demand is arranged and carry out Waste Heat Recovery to the water route; Open cooling water during no hot water demand and reclaim the loop.Two states all provides the chilled water of air-conditioning simultaneously.
Claims (2)
1, full thermal recovery screw rod type heat pump machine unit, it comprises the air-conditioning refrigeration system of being made up of helical-lobe compressor (1), condenser (3), heating power expansion valve (4), evaporimeter (2), it is characterized in that, described condenser (3) is a double-tube bundle case condenser.
2, according to the described full thermal recovery screw rod type heat pump machine unit of claim 1, it is characterized in that, described condenser (3) comprises housing (32), the refrigerant loop of forming by refrigerant inlet (31), refrigerant outlet (37), the cooling water of being made up of cooling water inlet (36), coolant outlet (33) in the housing (32) reclaims the loop, and the heat recovery water loop of being made up of heat recovery water import (35), heat recovery water outlet (34) in the housing (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201909708U CN201155885Y (en) | 2007-12-27 | 2007-12-27 | Full heat reclamation type screw type heat pump units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201909708U CN201155885Y (en) | 2007-12-27 | 2007-12-27 | Full heat reclamation type screw type heat pump units |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201155885Y true CN201155885Y (en) | 2008-11-26 |
Family
ID=40103667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201909708U Expired - Lifetime CN201155885Y (en) | 2007-12-27 | 2007-12-27 | Full heat reclamation type screw type heat pump units |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201155885Y (en) |
-
2007
- 2007-12-27 CN CNU2007201909708U patent/CN201155885Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081126 |