CN208952449U - A kind of DC frequency-changing water chiller and its system - Google Patents
A kind of DC frequency-changing water chiller and its system Download PDFInfo
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- CN208952449U CN208952449U CN201821454295.XU CN201821454295U CN208952449U CN 208952449 U CN208952449 U CN 208952449U CN 201821454295 U CN201821454295 U CN 201821454295U CN 208952449 U CN208952449 U CN 208952449U
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Abstract
The utility model discloses a kind of DC frequency-changing water chiller and its systems, including DC frequency-changeable compressor, oil eliminator, heat exchanger, liquid storage device, gas-liquid separator；The gas delivery port of the DC frequency-changeable compressor is connected with oil eliminator, oil eliminator is connected with heat exchanger, heat exchanger is connected with liquid storage device, liquid storage device is connected with terminal showcase or freezer, terminal arrays cabinet or freezer are connected with gas-liquid separator, and the gas vent of gas-liquid separator is connected with DC frequency-changeable compressor；The heat exchanger is water-cooled heat exchanger.Condensing mode uses water cooling in the utility model, the condensed water used in DC frequency-changing water chiller is cooled down using the water of building air-conditioner cooling tower water system, to reach the popularization and application of mini-system and project DC frequency-changing water system.
Description
Technical field
The utility model relates to field of Refrigeration and Air-conditioning, specifically a kind of DC frequency-changing water chiller and its system.
Background technique
Refrigeration air-conditioner freezes in industry refrigerative circle system, the condensing mode master that the thermic load that compressor work generates is taken
Will there are two types of.One is air-cooled, one is water coolings.Two ways respectively has feature and advantage: air-cooled structure is simply and quick for installation；
Water cooling then designs complexity, and installation is relatively complicated, but water cooling designs the stability with higher showed in practical applications
It is constant with unit operating condition.For current water cooling pattern system condensing water system mainly by cooling tower, cooling water cycle water pump is defeated
Pipeline, valve member are sent, the composition such as filter and electrical control then needs to install additional if necessary to obtain the cooling water of lower temperature
Water cooler forms closed-loop water system and carries out for water condensation.This system needs independent water loop and cooling system,
Design complexity, Original equipment high investment, installing engineering amount are larger, and follow-up maintenance cost of upkeep is higher etc..It is generally this to answer
With mainly in large scale system and project, for being limited to place, equipment initial investment and return in middle-size and small-size system or project
Construction period and application technology force etc. factor are unable to satisfy the big enclosed of the complexity for establishing a full set, Gao Chengben, project amount and follow
Ring water system.This, which has commercial freezer Shang Chao convenience store industrial application DC frequency-changing water system, greatly restricts, and leads to not
It promotes and applies.
Summary of the invention
Goal of the invention: aiming at the problems existing in the prior art, the utility model provides a kind of DC frequency-changing water chiller
And its system, major function are the steady temperature for obtaining DC frequency-changing water chiller and the condensate system application of variable-flow, are incited somebody to action
Greatly improve small-size water-cooling DC frequency-changing system application conditions and widens market and terminal client application range.
Technical solution: DC frequency-changing water chiller described in the utility model, including DC frequency-changeable compressor, oil separation
Device, heat exchanger, liquid storage device, gas-liquid separator；The gas delivery port of the DC frequency-changeable compressor is connected with oil eliminator, oil
Be connected from device with heat exchanger, heat exchanger is connected with liquid storage device, and liquid storage device is connected with terminal showcase or freezer, terminal arrays cabinet or
Freezer is connected with gas-liquid separator, and the gas vent of gas-liquid separator is connected with DC frequency-changeable compressor；The heat exchanger is water
Cold type heat exchanger.
Above-mentioned DC frequency-changing water chiller is applied to small-sized shop DC frequency-changing water-cooling system, including DC frequency-changing water cooling
Unit, condensate water circulatory water pump, shell and tube exchanger, terminal showcase or freezer；The DC frequency-changing water chiller setting exists
In terminal showcase or freezer, DC frequency-changing water chiller is connected through cooling water pipeline with condensate water circulatory water pump, and condensed water follows
Ring water pump is connected with shell and tube exchanger, and shell and tube exchanger and building air-conditioner cooling-tower circulating water road carry out heat exchange, package
Formula heat exchanger is connected through condensed water conveyance conduit with DC frequency-changing water chiller.
Further, the condensate water circulatory water pump is connected with condensed water replenishing water tank of water.
Further, including several DC frequency-changing water chillers, the DC frequency-changing water chiller counterpart terminal display
Cabinet or freezer setting.
The utility model has the advantages that compared with prior art, the advantages of the utility model: condensing mode uses water in the utility model
It is cold, that is, the condensed water of circulation is used, the water using building air-conditioner cooling tower water system makes to cool down in DC frequency-changing water chiller
The condensed water used, to reach the popularization and application of mini-system and project DC frequency-changing water system.
Building air-conditioner cooling tower circulating water system recirculated water is made full use of, the construction of traditional enclosed cooling water equipment is cancelled
Investment, simplifies the water passage circulation system of in-site installation complexity, substantially reduces follow-up maintenance maintenance work after project amount, design is drawn
The condensed water demand of refrigeration system is realized with a water hull pipe heat exchanger.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of DC frequency-changing water chiller.
Fig. 2 is the structural schematic diagram of small-sized shop DC frequency-changing water-cooling system.
Specific embodiment
Technical solutions of the utility model are described in detail below by attached drawing.
Embodiment 1: DC frequency-changing water chiller as shown in Figure 1, including DC frequency-changeable compressor 11, oil eliminator 12,
Heat exchanger 13, liquid storage device 4, gas-liquid separator 5 and refrigeration system attachment and pipeline valve member are formed by connecting, and heat exchanger 13 uses
Water-cooled plate.The refrigerant in system is compressed in the acting of DC frequency-changeable compressor 11, and the gas that high temperature and pressure is discharged enters oil
Separator 2, the gas that oil eliminator 2 be discharged after oily separation enter heat exchanger 13 and carry out cooling condensation, i.e. condensation process (its
Middle heat exchanger 13 is a kind of device that heat exchange is carried out using condensed water and the refrigerant gas of high temperature and pressure).Heat exchanger 13 is cold
The liquid for becoming medium temperature high pressure after solidifying, which enters after liquid storage device 4, carries out feed flow refrigeration to terminal showcase or freezer.It is displayed from terminal
The gas or gas-liquid two-phase cold-producing medium of low-temp low-pressure after cabinet or freezer evaporation expansion enter gas-liquid separator 5 and are divided
From the refrigerative circle system that isolated gas is compressed again after being sucked completely by compressor 1.
13 condensing mode of heat exchanger uses water cooling in this system, that is, uses the condensed water of circulation.For big system
Will be condensed using establishing a set of independent condensate system with project, for small system consider project initial outlay,
Operation cost is maintained in engineering duty amount, later maintenance, is difficult to set up independent condensate water circulatory system.Therefore the utility model
A kind of middle application scheme that will use easy acquisition condensed water.Direct current is cooled down using the water of building air-conditioner cooling tower water system
The condensed water used in frequency conversion water chiller, to reach the popularization and application of mini-system and project DC frequency-changing water system.
As shown in Fig. 2, DC frequency-changing water chiller is solved mini-system or small-business supermarket DC frequency-changing water system
It is not easy to establish closed cycle condensation water loop engineer application.The principle is as follows:
System is by 3 terminal showcases, 21,1 freezers 22, DC frequency-changing water chiller 1, shell and tube exchanger 3, condensation
Water water circulating pump 4, condensed water replenishing water tank of water 5, condensed water conveyance conduit 6 and building air-conditioner cooling-tower circulating water road 7 and water route are defeated
Attachment is sent to form.1 counterpart terminal showcase 21 of DC frequency-changing water chiller or the setting of freezer 22 simultaneously provide refrigeration for it, and direct current becomes
The condensation thermic load that the acting of 1 refrigeration compressor of frequency water chiller generates is changed by the condensed water in condensate water circulatory system through shell-tube type
Hot device 3, condensate water circulatory water pump 4 recycle the building air-conditioner cooling tower that the heat for condensing thermic load takes shell and tube exchanger 3 to
Water route 7, condensed water replenishing water tank of water 5 are 3 make-up water source of shell and tube exchanger.By building air-conditioner build cooling-tower circulating water road into
Row heat dissipation and cooling, to reach the DC frequency-changing water chiller in small-business supermarket and convenience store in DC frequency-changing water system
1 good condensation and continuously conveying are freezed to terminal showcase 21 or freezer 22, and the heat preserving antistaling of food is reached with this
Storage sale.Wherein key point is to substitute traditional enclosed cooling water channel circulatory system using shell and tube exchanger 3.
There are two parts water passage circulation system in this system, first is that the condensation water loop of DC frequency-changing water chiller, two
It is air-conditioning building chilled(cooling) water return (CWR).The condensed high-temperature condensation water of DC frequency-changing water chiller 1 is exported from water-cooled heat exchanger 13
It is transmitted in 3 tube side of shell and tube exchanger and is recycled through building air-conditioner cooling tower through the chilled(cooling) water return (CWR) water water circulating pump sucking that is condensed
Water route 7, which carries out exporting after heat exchange is cooling from tube side in shell side, is transmitted to water-cooled heat exchanger in DC frequency-changing water chiller 1
The condensation load of the heat generated after 13 imports to DC frequency-changing water chiller 1 condenses.Refrigeration system is realized in such cyclic process
That unites is reliable and stable for SAPMAC method.
As above, it although the utility model has been indicated and described referring to specific preferred embodiment, must not explain
For the limitation to the utility model itself.In the spirit and scope premise for not departing from the utility model that appended claims define
Under, it can various changes can be made in the form and details to it.
Claims (4)
1. a kind of DC frequency-changing water chiller, it is characterised in that: including DC frequency-changeable compressor, oil eliminator, heat exchanger, liquid storage
Device, gas-liquid separator；The gas delivery port of the DC frequency-changeable compressor is connected with oil eliminator, oil eliminator and heat exchanger phase
Even, heat exchanger is connected with liquid storage device, and liquid storage device is connected with terminal showcase or freezer, terminal arrays cabinet or freezer and gas-liquid separation
Device is connected, and the gas vent of gas-liquid separator is connected with DC frequency-changeable compressor；The heat exchanger is water-cooled heat exchanger.
2. a kind of small-sized shop DC frequency-changing water-cooling system, it is characterised in that: including DC frequency-changing water cooling unit described in claim 1
Group, condensate water circulatory water pump, shell and tube exchanger, terminal showcase or freezer；The DC frequency-changing water chiller was arranged at end
It holds in showcase or freezer, DC frequency-changing water chiller is connected through cooling water pipeline with condensate water circulatory water pump, condensate water circulatory
Water pump is connected with shell and tube exchanger, and shell and tube exchanger and building air-conditioner cooling-tower circulating water road carry out heat exchange, shell-tube type
Heat exchanger is connected through condensed water conveyance conduit with DC frequency-changing water chiller.
3. small-sized shop DC frequency-changing water-cooling system according to claim 2, it is characterised in that: the condensate water circulatory water
Pump is connected with condensed water replenishing water tank of water.
4. small-sized shop DC frequency-changing water-cooling system according to claim 2, it is characterised in that: become including several direct currents
Frequency water chiller, the DC frequency-changing water chiller counterpart terminal showcase or freezer setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821454295.XU CN208952449U (en) | 2018-09-06 | 2018-09-06 | A kind of DC frequency-changing water chiller and its system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821454295.XU CN208952449U (en) | 2018-09-06 | 2018-09-06 | A kind of DC frequency-changing water chiller and its system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208952449U true CN208952449U (en) | 2019-06-07 |
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ID=66737040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821454295.XU Active CN208952449U (en) | 2018-09-06 | 2018-09-06 | A kind of DC frequency-changing water chiller and its system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208952449U (en) |
-
2018
- 2018-09-06 CN CN201821454295.XU patent/CN208952449U/en active Active
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