CN206347775U - A kind of screw air-conditioning system - Google Patents
A kind of screw air-conditioning system Download PDFInfo
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- CN206347775U CN206347775U CN201621460407.3U CN201621460407U CN206347775U CN 206347775 U CN206347775 U CN 206347775U CN 201621460407 U CN201621460407 U CN 201621460407U CN 206347775 U CN206347775 U CN 206347775U
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- condenser
- refrigerant
- economizer
- expansion valve
- evaporator
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Abstract
The utility model is related to a kind of screw air-conditioning system, belongs to air conditioner refrigerating field, can improve the efficiency of air-conditioning system and can flexibly use space.The utility model includes screw compressor, the first condenser, economizer, liquid storage filtering tank, the expansion valve with temperature-sensitive bag, evaporator, in addition to flow divider, the second condenser, electric expansion valve, screw compressor connects flow divider, and flow divider connects the first condenser and the second condenser；Second condenser is by electric expansion valve connection economizer and the outlet with the first condenser and is connected economizer；The expansion valve that economizer passes through liquid storage filtering tank connect band temperature-sensitive bag, expansion valve connection evaporator and temperature-sensitive bag with temperature-sensitive bag are placed on the refrigerant outlet pipeline of evaporator, evaporator connecting screw rod formula compressor；The second refrigerant of economizer exports the gas supplementing opening of connecting screw rod formula compressor.For improving air-conditioning system efficiency, make system more energy efficient.
Description
Technical field
The utility model is related to air conditioner refrigerating field.
Background technology
At present, the Central air-conditioning unit application of Large Copacity is increasingly popularized, and is being freezed used in life and industrial circle
Air-conditioning system is increasingly improved to efficiency requirement, in order to optimize unit efficiency, and economizer is configured more on refrigerated air-conditioning system to carry
The energy efficiency coefficient of high refrigeration system.The also more and more higher of requirement to environmental protection at present, in the existing refrigeration system with economizer
In the circulatory system of uniting, because liquid refrigerants relies on heat convection, the degree of supercooling that it is produced is smaller, and the performance boost to complete machine is acted on
It is limited, while air compensation can not be adjusted according to unit actual load situation.Therefore there is liquid in existing refrigeration system cold
The degree of supercooling of matchmaker is small, and refrigeration system efficiency is low, and the problems such as refrigeration system operation is not saved is badly in need of solving.Large volume condenser is opened
Hair also faces development cost and the dual-pressure of construction cycle, for this reason, it may be necessary to be improved to existing condenser.
Utility model content
Technical problem to be solved in the utility model is that there is provided a kind of screw air-conditioning system in view of the shortcomings of the prior art
System, it is therefore intended that improve the efficiency of air-conditioning system and make space arrangement more flexible, make the more energy efficient environmental protection of system.
The technical scheme that the utility model solves above-mentioned technical problem is as follows：
A kind of screw air-conditioning system, including screw compressor, flow divider, the first condenser, the second condenser, electronics
Expansion valve, economizer, liquid storage filtering tank, expansion valve and evaporator with temperature-sensitive bag, the refrigerant of the screw compressor go out
The refrigerant inlet of mouth connection flow divider a, refrigerant outlet of the flow divider connects the refrigerant of first condenser
Entrance, another refrigerant outlet connects the refrigerant inlet of the second condenser；One refrigerant branch of second condenser
Outlet connects the second refrigerant entrance of the economizer, another refrigerant branch outlet and described first by electric expansion valve
The refrigerant outlet of condenser converges connection, and connects the first refrigerant inlet of the economizer；The first of the economizer
Refrigerant outlet connects the refrigerant inlet of the expansion valve with temperature-sensitive bag by liquid storage filtering tank, described with the swollen of temperature-sensitive bag
The refrigerant outlet of swollen valve connects the refrigerant inlet of the evaporator, and temperature-sensitive bag is placed in the refrigerant outlet pipeline of evaporator
On, the refrigerant inlet of the refrigerant outlet connecting screw rod formula compressor of the evaporator；The second refrigerant of the economizer
The gas supplementing opening of the outlet connection screw compressor.
The beneficial effects of the utility model are：The setting order arrangement of double-condenser in pairs is more flexible and effectively utilizes radiating
Space, some refrigerant exported using wherein one condenser evaporation endothermic in economizer, improves whole air-conditioning system
Efficiency.
On the basis of above-mentioned technical proposal, the utility model can also do following improvement：
Further, the refrigerant is HBR-22A (a kind of novel energy-saving environment-friendly refrigerant).
Beneficial effect using above-mentioned further scheme is：Energy-saving and environmental-friendly refrigeration agent HBR-22A use can improve hot
It can change, reduce energy resource consumption, and it is free from environmental pollution；HBR-22A is free of chlorine atom, and destruction is not played to atmospheric ozone layer；
There is good security performance (nonflammable, not explode, nontoxic, without excitatory non-corrosiveness).
Further, second condenser and first condenser are separated, and the volume of the second condenser and dissipate
Hot area is less than the first condenser.
Beneficial effect using above-mentioned further scheme is：Two condensers can be separated, and radiating can be made full use of empty
Between, the volume and area of dissipation of the second condenser are small compared with the first condenser, selectively more in placement process spatial location.
Brief description of the drawings
Fig. 1 is a kind of structure chart of screw air-conditioning system of the utility model.
In accompanying drawing, the list of parts representated by each label is as follows：
1st, screw compressor, 2, flow divider, the 3, first condenser, the 4, second condenser, 5, electric expansion valve, 6, economical
Device, the 61, first refrigerant inlet, the 62, first refrigerant outlet, 63, second refrigerant entrance, 64, second refrigerant outlet, 7,
Liquid storage filtering tank, 8, the expansion valve with temperature-sensitive bag, 9, evaporator.
Embodiment
Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality
It is new, it is not intended to limit scope of the present utility model.
Embodiment
As shown in figure 1, a kind of screw air-conditioning system, including screw compressor 1, flow divider 2, the first condenser 3,
Two condensers 4, electric expansion valve 5, economizer 6, liquid storage filtering tank 7, expansion valve 8 and evaporator 9 with temperature-sensitive bag, screw pressure
The refrigerant outlet of contracting machine 1 connects the refrigerant inlet of flow divider 2, and the refrigerant outlet connection first of flow divider 2 is condensed
The refrigerant inlet of device 3, another refrigerant outlet connects the refrigerant inlet of the second condenser 4；One system of the second condenser 4
Cryogen branch outlet connects the second refrigerant entrance 63 of economizer 6 by electric expansion valve 5, the outlet of another refrigerant branch with
The refrigerant outlet of first condenser 3 converges connection, and connects the first refrigerant inlet 61 of economizer 6；The first of economizer 6
Refrigerant outlet 62 is by the refrigerant inlet of the expansion valve 8 of the connect band temperature-sensitive bag of liquid storage filtering tank 7, the expansion valve with temperature-sensitive bag
8 refrigerant outlet connects the refrigerant inlet of evaporator 9, and temperature-sensitive bag is placed on the refrigerant outlet pipeline of evaporator 9, steams
Send out the refrigerant inlet of the refrigerant outlet connecting screw rod formula compressor 1 of device 9；The second refrigerant outlet 64 of economizer 6 is connected
The gas supplementing opening of screw compressor 1.
The setting order arrangement of double-condenser of the present utility model in pairs more utilizes flexibly and effectively heat-dissipating space, utilizes it
In the output of condenser some refrigerant in economizer evaporation endothermic, improve the efficiency of whole air-conditioning system.
Further, refrigerant is HBR-22A.
In the improvement, energy-saving and environmental-friendly refrigeration agent HBR-22A use can improve hot property conversion, reduce energy resource consumption, and
It is free from environmental pollution；HBR-22A is free of chlorine atom, and destruction is not played to atmospheric ozone layer；There is good security performance (to be difficult
Combustion, does not explode, nontoxic, without excitatory non-corrosiveness).
Further, the second condenser 4 and the first condenser 3 are separated, and the volume and area of dissipation of the second condenser 4
Less than the first condenser 3.
In the improvement, two condensers can be separated, can make full use of heat-dissipating space, the volume of the second condenser and dissipates
Hot area is small compared with the first condenser, selectively more in placement process spatial location.
Specifically, the refrigerant of the refrigerant delivery outlet output of screw compressor 1 is after flow divider 2, a part is entered
Enter the first condenser 3, another part enters the second condenser 4, and flow divider 2 can be according to actual conditions such as two condensers
Efficiency size is controlled come the flow to two parts refrigerant；The volume and area of dissipation of second condenser 4 are smaller, Ke Yiyu
First condenser 3 is placed towards different directions, increases heat exchange efficiency；Liquid refrigerant in the outlet of second condenser 4 has one
Divide to enter in economizer 6 by electric expansion valve 5 and flash to gas, screw is entered by the gas supplementing opening of screw compressor 1
Re-compressed in compressor 1, while the liquid refrigerant between the first refrigerant inlet and outlet is subcooled, improve system
Whole work efficiency；Liquid storage filtering tank 7 can prevent big quantity of fluid from entering screw compressor 1, play a part of adjusting flow,
The effectiveness of purification and noise reduction can be played simultaneously；Electric expansion valve 5 can make system according to the pressure flow automatic regulation at its two ends
It is operated in optimum condition；The degree of superheat for the refrigerant that expansion valve 8 with temperature-sensitive bag can be exported according to evaporator 9 changes to control
Valve flow, prevents evaporator area underutilization and engine knock phenomenon, improves system operating efficiency, reduce failure.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (3)
1. a kind of screw air-conditioning system, it is characterised in that including screw compressor (1), flow divider (2), the first condenser
(3), the second condenser (4), electric expansion valve (5), economizer (6), liquid storage filtering tank (7), the expansion valve (8) with temperature-sensitive bag and
Evaporator (9), the refrigerant inlet of the refrigerant outlet connection flow divider (2) of the screw compressor (1), the flow divider
(2) a refrigerant outlet connects the refrigerant inlet of first condenser (3), and another refrigerant outlet connection second is cold
The refrigerant inlet of condenser (4)；The refrigerant branch outlet of second condenser (4) is connected by electric expansion valve (5)
Connect the second refrigerant entrance (63) of the economizer (6), another refrigerant branch outlet and the system of first condenser (3)
Cryogen outlet converges connection, and connects the first refrigerant inlet (61) of the economizer (6)；The first of the economizer (6)
Refrigerant outlet (62) connects the refrigerant inlet of the expansion valve (8) with temperature-sensitive bag, the band by liquid storage filtering tank (7)
The refrigerant outlet of the expansion valve (8) of temperature-sensitive bag connects the refrigerant inlet of the evaporator (9), and temperature-sensitive bag is placed in evaporator
(9) on refrigerant outlet pipeline, the refrigerant of the refrigerant outlet connecting screw rod formula compressor (1) of the evaporator (9) enters
Mouthful；The second refrigerant outlet (64) of the economizer (6) connects the gas supplementing opening of the screw compressor (1).
2. screw air-conditioning system according to claim 1, it is characterised in that the refrigerant is HBR-22A.
3. screw air-conditioning system according to claim 2, it is characterised in that second condenser (4) and described first
Condenser (3) is separated, and the volume and area of dissipation of the second condenser (4) are less than the first condenser (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621460407.3U CN206347775U (en) | 2016-12-28 | 2016-12-28 | A kind of screw air-conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621460407.3U CN206347775U (en) | 2016-12-28 | 2016-12-28 | A kind of screw air-conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206347775U true CN206347775U (en) | 2017-07-21 |
Family
ID=59319484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621460407.3U Active CN206347775U (en) | 2016-12-28 | 2016-12-28 | A kind of screw air-conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206347775U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108692477A (en) * | 2018-04-19 | 2018-10-23 | 广东美的暖通设备有限公司 | Air-conditioning water heater system |
| CN111426001A (en) * | 2019-01-10 | 2020-07-17 | 青岛海尔空调电子有限公司 | Multi-split air conditioner and control method thereof |
-
2016
- 2016-12-28 CN CN201621460407.3U patent/CN206347775U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108692477A (en) * | 2018-04-19 | 2018-10-23 | 广东美的暖通设备有限公司 | Air-conditioning water heater system |
| CN111426001A (en) * | 2019-01-10 | 2020-07-17 | 青岛海尔空调电子有限公司 | Multi-split air conditioner and control method thereof |
| CN111426001B (en) * | 2019-01-10 | 2021-08-10 | 青岛海尔空调电子有限公司 | Multi-split air conditioner and control method thereof |
| US11378296B2 (en) | 2019-01-10 | 2022-07-05 | Qingdao Haier Air-Conditioning Electronic Co., Ltd. | Multi-split air conditioner and control method thereof |
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| GR01 | Patent grant |