CN206656457U - A kind of secondary cycle formula evaporative condenser natural cooling cooling-water machine - Google Patents
A kind of secondary cycle formula evaporative condenser natural cooling cooling-water machine Download PDFInfo
- Publication number
- CN206656457U CN206656457U CN201720419781.7U CN201720419781U CN206656457U CN 206656457 U CN206656457 U CN 206656457U CN 201720419781 U CN201720419781 U CN 201720419781U CN 206656457 U CN206656457 U CN 206656457U
- Authority
- CN
- China
- Prior art keywords
- cooling
- secondary cycle
- natural cooling
- liquid
- pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Other Air-Conditioning Systems (AREA)
Abstract
The application is related to refrigeration technology field, disclose secondary cycle formula evaporative condenser natural cooling cooling-water machine, including compressor, condenser, flow controller, the mechanical refrigeration system that evaporator is formed, also include carrying out the internal circulation system of heat exchange with evaporator and the secondary circulation system of heat exchange is carried out by liquid-liquid heat exchanger and internal circulation system, the internal circulation system is provided with refrigerant in controllable internal circulation system and flowed to carry out the Cooling System of heat exchange with refrigerant, the mechanical refrigeration system, internal circulation system, Cooling System and secondary circulation system are electrically connected with the controller, controller controls the operation of each system.Mechanical refrigeration system, internal circulation system, secondary circulation system and Cooling System are realized five kinds of regulation and control methods by the application, adapt to the refrigeration demand under different temperatures environment, can be when outdoor environment temperature be relatively low, free cold is obtained by Cooling System, reduce and even disable mechanical refrigeration system completely, energy-saving effect is notable.
Description
Technical field
The application is related to refrigeration technology field, more particularly to a kind of secondary cycle formula evaporative condenser natural cooling cooling-water machine.
Background technology
Current communication machine room, particularly large-scale data center, it is logical usually to use wind-cooled cold-water machine as low-temperature receiver
The air-conditioning equipment indoor end interrogated in computer room provides chilled water, so as to carry out refrigeration cool-down to the indoor environment of communication machine room.By
Annual continual running status is lain substantially in the communication apparatus in communication machine room, and caloric value is very big, therefore,
For the wind-cooled cold-water machine of communication machine room, year round cooling operation is generally required, operation energy consumption is big, and seasonal energy efficiency ratio (seer) is low.
Be additionally, since the wind-cooled cold-water machine cold winter still need start compressor be operated, when outdoor ring
When border is too low, easily there is the problem of causing feed flow deficiency because condensing pressure is too low in compressor, and communication machine room now
Thermic load it is smaller, will also result in the frequent start-stop of compressor, this situation not only causes energy resource consumption big, and can reduce
The service life of compressor.Therefore, the reliability of the wind-cooled cold-water machine is difficult to be resolved always.
Even if being configured with condensing pressure control system and being Multistage Control design of condenser, when wind-cooled cold-water machine is transported for a long time
Row still has larger hidden danger at subzero outdoor and environment temperature, and the increase of system cost and control can be caused difficult
The increase of degree.
Application No. CN201210205485.9 disclose a kind of closed cooling tower refrigeration system applied to IDC computer rooms and
Its refrigerating method.Including closed cooling tower, water cooling refrigeration unit, cold water tank, chilled water pump, cooling water pump, IDC computer rooms end dress
Put, embedded control system, water cooling refrigeration unit return water temperature sensor, closed cooling tower return water temperature sensor, enclosed it is cold
But tower air intake wet and dry bulb temperature sensor.The refrigerating method of the patent application is closed cooling tower dry cooling condition operation in the winter time, is kept away
Exempt from the start of water cooling refrigeration unit, energy-conservation is antifreeze；Conditioning in Transition Season closed cooling tower wet cooling condition is run, and avoids water cooling refrigeration unit from starting shooting,
Energy-conservation；Night summer closed cooling tower wet cooling condition is run, and avoids water cooling refrigeration unit from starting shooting, energy-conservation；Summer, water cooling was freezed in the daytime
Unit is started shooting；Using cold water tank accumulation of energy, water cooling refrigeration unit run time is postponed；Cut off the water the phase utilize cold water tank water storage function,
Ensure the normal operation for period IDC computer-room air conditioning system of cutting off the water.Such control method is suitable for having a moderate climate and not water shortage
Area.However, in northern area because night in winter minimum temperature is -20 ~ -30 DEG C, even more low temperature when there is extreme weather
When spending, using water-cooling pattern, cooling tower must take into consideration antifreezing measures, and antifreezing effect is general, unsatisfactory, be needed for this to cold
But tower recirculated water and the interior anti-icing fluid for adding high concentration of pipeline, it not only increases investment and also has corruption to pipeline and equipment
Erosion.
Utility model content
In view of this, the purpose of this utility model is overcome the deficiencies in the prior art, there is provided a kind of energy-saving effect is obvious,
Compressor does not need the secondary cycle formula evaporative condenser natural cooling cooling-water machine of year round cooling operation.In addition, the utility model is also
A kind of control method based on secondary cycle formula evaporative condenser natural cooling cooling-water machine is provided.
In order to solve the above-mentioned technical problem, the utility model is realized using following scheme：
A kind of secondary cycle formula evaporative condenser natural cooling cooling-water machine, including compressor, condenser（It can preferably use and steam
Hairdo condenser）, flow controller, evaporator form mechanical refrigeration system, include with evaporator progress heat exchange interior circulation
System and the secondary circulation system that heat exchange is carried out by liquid-liquid heat exchanger and internal circulation system, on the internal circulation system
Provided with controllable internal circulation system refrigerant flow direction with refrigerant（Refrigerant also known as avenges kind, refrigerant, to transferring heat energy, produces
Refrigerating effect.Refrigerant in internal circulation system can be water）Carry out the Cooling System of heat exchange, the mechanical refrigeration system
System, internal circulation system, Cooling System and secondary circulation system are electrically connected with the controller, and controller controls the operation of each system
（Controller controls the operation of each part in the operation of each system of cooling-water machine, namely each system of control）.
Secondary circulation system provides chilled water for air-conditioning equipment indoor end.The kind of refrigeration cycle that mechanical refrigeration system is formed is led to
Pervaporation device carries out heat exchange with internal circulation system, and internal circulation system carries out heat exchange, secondary cycle with secondary circulation system again
System endlessly provides chilled water.It can cause the waste of the energy due to opening mechanical refrigeration system throughout the year, increase in the application
If Cooling System, refrigerant and environment are carried out heat exchange by Cooling System, in some seasons, utilize natural cooling system
System carries out heat exchange with internal circulation system, it is not necessary to mechanical refrigeration system is run, to have the function that to save the energy.Comprehensive utilization is certainly
Right cooling system and mechanical refrigeration system, to reduce energy consumption.Due to mechanical refrigeration system and Cooling System independently, phase
Running non-interference between mutually, can both be freezed using only Cooling System, can also isolated operation machinery
Refrigeration system is freezed, and can also be integrated both and be carried out hybrid refrigeration, strengthen overall refrigerating efficiency, be easy to two systems
Flexibly controlled, adapt to different season demands.In the application, have the computer room of internal circulation system particular for some, lead to
Cross increase Cooling System and secondary circulation system so that whole process of refrigerastion environmental protection and energy saving.
The effect of internal circulation system is that the cold of mechanical refrigeration system and/or Cooling System is transferred into secondary cycle
System, the internal circulation system include interior circulation water influent pipeline and it is interior recycle liquid pipeline, the two of the interior circulation water influent pipeline
End and the interior both ends for recycling liquid pipeline are connected with evaporator and liquid-liquid heat exchanger respectively, are formed in refrigerant and circulated with this, described
Interior circulation water influent pipeline or the interior liquid pipeline that recycles are provided with interior circulation power pump.Circulation is refrigerant in the refrigerant of internal circulation system
From it is interior circulation water influent pipeline enter evaporator, from evaporator come out refrigerant flow into recycle liquid pipeline, then followed from interior
Ring drain pipe road flows into liquid-liquid heat exchanger, and the refrigerant come out from liquid-liquid heat exchanger flows into interior circulation water influent pipeline, is formed with this
Interior circulation.The setting of internal circulation system, when the refrigerant temperature of internal circulation system reduces, directly with secondary circulation system to enter
Row heat exchange so that the arrangement of whole system is more flexible.
The Cooling System includes natural cooling coil pipe and natural cooling water influent pipeline and natural cooling drain pipe
Road, one end of natural cooling water influent pipeline and the one end on natural cooling drain pipe road connect with the both ends of natural cooling coil pipe respectively
Connect, the other end of natural cooling water influent pipeline and the other end on natural cooling drain pipe road are connected to interior circulation water influent pipeline or interior
Recycle liquid pipeline, and natural cooling water influent pipeline or natural cooling drain pipe road and interior circulation water influent pipeline or interior recycle liquid
The junction of pipeline is provided with triple valve（The words is construed to：The junction of natural cooling water influent pipeline and interior circulation water influent pipeline
Triple valve is provided with the interior junction for recycling liquid pipeline provided with triple valve, or natural cooling water influent pipeline, or natural cooling goes out
Liquid pipeline and the junction of interior circulation water influent pipeline be provided with triple valve, or natural cooling drain pipe road and the interior liquid pipeline that recycles
Junction is provided with triple valve）.Cooling System by the regulation of triple valve to change the flow direction of refrigerant in internal circulation system, when
Triple valve opens the branch road of connection Cooling System so that whole refrigerants flow into natural cooling coil pipe, natural cooling coil pipe
High efficient heat exchanging is carried out to refrigerant.The triple valve is the triple valve that can be adjusted in proportion or switchs triple valve, and preferred proportion is adjusted
Save port valve.
The secondary circulation system includes secondary cycle water influent pipeline and secondary cycle drain pipe road, secondary cycle feed tube
The one end on road and the one end on secondary cycle drain pipe road are connected with liquid-liquid heat exchanger respectively, secondary cycle water influent pipeline or secondary
Recycle liquid pipeline and be provided with secondary cycle kinetic pump.The refrigerant of secondary circulation system（Refrigerant, to transferring heat energy, produce cold
Freeze effect.Refrigerant in secondary circulation system can be water）Air conditioning terminal is input to after liquid-liquid heat exchanger carries out heat exchange to set
In standby（I.e. the other end of secondary cycle water influent pipeline connects with the other end air conditioner end equipment on secondary cycle drain pipe road, with
This forms circulation）.
Further, the condenser is provided with condensation fan, and the natural cooling coil pipe is provided with cooling blower.It is described
Condensation fan and cooling blower can be adjustable speed fan or constant speed blower fan, preferably adjustable speed fan.Condensation fan and cooling blower
Setting further increases radiating effect, gives mechanical refrigeration system, the refrigeration combination of Cooling System provides more
Control mode, adapt to the demand of different temperatures.Condensation fan and cooling blower are electrically connected with the controller.
The interior circulation water influent pipeline of the internal circulation system is provided with interior circulation feed liquor temperature sensor, recycles liquid in it
Pipeline recycles liquid temperature sensor in being provided with；The secondary cycle water influent pipeline of the secondary circulation system is provided with secondary follow
Ring feed liquor temperature sensor, its secondary liquid pipeline that recycles go out cooling-water machine described in liquid temperature sensor money also provided with secondary cycle
Including the outdoor environment temperature sensor for detecting outdoor environment temperature.Interior circulation feed liquor temperature sensor is that detection enters steaming
The temperature of the refrigerant of device is sent out, inside recycles the temperature that liquid temperature sensor is the refrigerant that detection comes out from evaporator.Secondary cycle
Feed liquor temperature sensor is temperature of the detection into the refrigerant of liquid-liquid heat exchanger, and it is detection that secondary cycle, which goes out liquid temperature sensor,
The temperature of the refrigerant come out from liquid-liquid heat exchanger.The sensor is electrically connected with the controller, interior circulation feed liquor TEMP
Device, interior liquid temperature sensor, secondary cycle feed liquor temperature sensor, the secondary cycle of recycling go out liquid temperature sensor and directly detected
The temperature of refrigerant, the temperature detected with outdoor environment temperature sensor are contrasted, to reach the purpose accurately controlled.
Further, the pipeline of the mechanical refrigeration system is provided with condensing pressure sensor.Condensing pressure sensor with
Controller electrically connects.If condensing pressure is too high when mechanical refrigeration system is run, the damage of refrigeration plant and the increasing of power consumption can be caused
Greatly；If condensing pressure is too low, the work of the liquefaction process and expansion valve of refrigerant can be influenceed, prevents mechanical refrigeration system from normal
Work, causes the significantly decline of refrigerating capacity.Controller can according to the operation of each system of Numerical Control of condensing pressure sensor,
Condensing pressure is maintained in normal scope.
A kind of control method of secondary cycle formula evaporative condenser natural cooling cooling-water machine, including following control logic：
1）When the temperature that outdoor environment temperature sensor detects is higher than the temperature that interior circulation feed liquor temperature sensor detects
When spending, triple valve closes the bypass of connection natural cooling coil pipe, and whole refrigerants of internal circulation system are without natural cooling coil pipe
It is directly entered evaporator heat exchange, interior circulation power pump full-load run；Compressor is according to secondary cycle feed liquor temperature sensor or two
It is secondary to recycle the temperature that liquid temperature sensor detects and carry out plus Unloading Control.Compressor is carried out plus Unloading Control is specially：When
When secondary cycle feed liquor temperature sensor or secondary cycle go out the temperature that liquid temperature sensor detects and are higher than setting value, control pressure
Contracting machine load operating, it is less than when secondary cycle feed liquor temperature sensor or secondary cycle go out the temperature that liquid temperature sensor detects
During setting value, control compressor unloading operation.
2）When the temperature that outdoor environment temperature sensor detects is less than the temperature that interior circulation feed liquor temperature sensor detects
Degree but can be completely out of service higher than compressor temperature when, triple valve is interior the bypass of connection natural cooling coil pipe opening
Whole refrigerants of the circulatory system first flow through natural cooling coil pipe, enter back into evaporator heat exchange, interior circulation power pump full-load run；Pressure
Contracting machine goes out the temperature that liquid temperature sensor detects according to secondary cycle feed liquor temperature sensor or secondary cycle to be carried out plus unloading
Control.Compressor is carried out plus Unloading Control is specially：Passed when secondary cycle feed liquor temperature sensor or secondary cycle go out liquid temperature degree
When the temperature that sensor detects is higher than setting value, control compressor loads operation, when secondary cycle feed liquor temperature sensor or two
It is secondary when recycling the temperature that liquid temperature sensor detects and being less than setting value, control compressor unloading operation.
3）When the temperature that outdoor environment temperature sensor detects less than compressor can be completely out of service temperature but
When can be by the operation of minimum air quantity or temperature completely out of service higher than cooling blower, compressor and condensation fan stop fortune
OK, triple valve opens the bypass of connection natural cooling coil pipe, and whole refrigerants of internal circulation system first flow through natural cooling coil pipe,
Enter back into evaporator, interior circulation power pump full-load run；Cooling blower is according to secondary cycle feed liquor temperature sensor or secondary follows
Ring goes out the temperature that liquid temperature sensor detects and carries out rotational speed regulation control.Cooling blower carries out rotational speed regulation control：
When secondary cycle feed liquor temperature sensor or secondary cycle, which go out the temperature that liquid temperature sensor detects, is higher than setting value, control
Cooling blower load operating, when secondary cycle feed liquor temperature sensor or secondary cycle go out the temperature that liquid temperature sensor detects
During less than setting value, control cooling blower unloading operation.
4）When the temperature that outdoor environment temperature sensor detects can be by the operation or complete of minimum air quantity less than cooling blower
Full during temperature out of service, cooling blower is run by minimum air quantity or completely out of service, compressor and condensation fan stopping
Operation, triple valve open the bypass of connection natural cooling coil pipe, and whole refrigerants of internal circulation system first flow through natural cooling disk
Pipe, enters back into evaporator；Interior circulation power pump goes out liquid TEMP according to secondary cycle feed liquor temperature sensor or secondary cycle
The temperature that device detects carries out rotational speed regulation control.Interior circulation power pump carries out rotational speed regulation control：Work as secondary cycle
When feed liquor temperature sensor or secondary cycle go out the temperature that liquid temperature sensor detects and are higher than setting value, circulation power in control
Pump load operating, when secondary cycle feed liquor temperature sensor or secondary cycle go out temperature that liquid temperature sensor detects less than setting
During definite value, circulation power pump unloading operation in control.
5）When the temperature that outdoor environment temperature sensor detects can be by the operation or complete of minimum air quantity less than cooling blower
Full temperature out of service and when internal circulation system kinetic pump reaches minimum speed running status, cooling blower is by minimum air quantity fortune
Row is completely out of service, and internal circulation system kinetic pump is run by minimum speed, and triple valve passes according to secondary cycle feed liquor temperature
Sensor or secondary cycle go out the temperature that liquid temperature sensor detects and control are adjusted.It is specific that control is adjusted in triple valve
For：When secondary cycle feed liquor temperature sensor or secondary cycle, which go out the temperature that liquid temperature sensor detects, is higher than setting value,
Control triple valve that the bypass of connection natural cooling coil pipe is opened, when secondary cycle feed liquor temperature sensor or secondary cycle go out liquid
When the temperature that temperature sensor detects is less than setting value, control triple valve closes the bypass of connection natural cooling coil pipe.
Compared with prior art, the utility model has the advantages that：The application is by mechanical refrigeration system, interior circulation
System, secondary circulation system and Cooling System integrate composition cooling-water machine, realize five kinds of regulation and control methods, adapt to not equality of temperature
The refrigeration demand spent under environment；Between mechanical refrigeration system and Cooling System independently of each other, will not be influenced each other during work,
Realize the flexible and changeable of control mode.Independent blower fan is respectively adopted in condenser and natural cooling coil pipe, using high-efficiency evaporation type
Condensation technology, significantly improve the Energy Efficiency Ratio of unit, can outdoor environment temperature than in refrigerant circulate feed liquor temperature it is low when, pass through
Natural cooling coil pipe obtains free cold, reduces and even disables mechanical refrigeration system completely, so as to reduce unit operation energy consumption,
Energy-saving effect is notable.And the high pressure that compressor cooling easily occurs when outdoor environment temperature can be avoided too low is too low caused
The problems such as feed flow deficiency and frequent start-stop, operational reliability is high, and control method is simple, compact-sized, and space is small, maintainability
It is good, the occasion of the year round cooling such as data center and communication machine room that are particularly suitable for use in operation.
Brief description of the drawings
Fig. 1 is example structure schematic diagram（The dotted line connection being connected with controller represents electrical connection）；
Fig. 2 is example structure schematic diagram.
Embodiment
In order to allow those skilled in the art to more fully understand the technical solution of the utility model, below in conjunction with the accompanying drawings to this
Utility model is further elaborated.
Embodiment
As illustrated in fig. 1 and 2, a kind of secondary cycle formula evaporative condenser natural cooling cooling-water machine, including compressor 110, evaporation
The mechanical refrigeration system 100 that formula condenser 120, flow controller 130, evaporator 140 are formed, in addition to carry out heat with evaporator 140
The internal circulation system 200 of exchange and the secondary cycle that heat exchange is carried out by water-water heat exchanger 700 and internal circulation system 200
System 400, the internal circulation system 200 are provided with the flow direction of the controllable reclaimed water of internal circulation system 200 to carry out heat exchange with water
Cooling System 300, the mechanical refrigeration system 100, internal circulation system 200, Cooling System 300 and secondary cycle
System 400 electrically connects with controller 500, and controller 500 controls the operation of each system.
The internal circulation system 200 includes interior circulation water influent pipeline 210 and interior recycles liquid pipeline 220, the interior circulation
The both ends of water influent pipeline 210 and the interior both ends for recycling liquid pipeline 220 connect with evaporator 140 and water-water heat exchanger 700 respectively
Connect, formed the interior circulation of water with this, it is described in recycle liquid pipeline 220 and be provided with interior circulation power pump 250.
The Cooling System 300 includes natural cooling coil pipe 340 and natural cooling water influent pipeline 310 and naturally cold
But drain pipe road 320, one end of natural cooling water influent pipeline 310 and the one end on natural cooling drain pipe road 320 respectively with nature
The both ends connection of cooling coil 340, the other end of natural cooling water influent pipeline 310 and natural cooling drain pipe road 320 it is another
One end is connected to interior circulation water influent pipeline 210, and natural cooling drain pipe road 320 and the junction of interior circulation water influent pipeline 210
Provided with triple valve 350.
The secondary circulation system 400 includes secondary cycle water influent pipeline 410 and secondary cycle drain pipe road 420, secondary
One end of one end and secondary cycle drain pipe road 420 for circulating water influent pipeline 410 is connected with water-water heat exchanger respectively, secondary to follow
Ring drain pipe road 420 is provided with secondary cycle kinetic pump 450.
The evaporative condenser 120 is provided with condensation fan 150, and the natural cooling coil pipe 340 is provided with cooling wind
Machine 330.
The interior circulation water influent pipeline 210 of the internal circulation system is provided with interior circulation feed liquor temperature sensor 230（Interior circulation
Refrigerant temperature will be continued to monitor by entering night temperature sensor, therefore it is arranged on evaporator and natural cooling drain pipe road and interior circulation
On pipeline between the junction of water influent pipeline, or the junction and end of natural cooling water influent pipeline and interior circulation water influent pipeline
On pipeline between air-conditioning equipment）, liquid pipeline 220 is recycled in it is provided with and interior recycles liquid temperature sensor 240；Described two
The secondary cycle water influent pipeline 410 of the secondary circulatory system is provided with secondary cycle feed liquor temperature sensor 430, and its is secondary to recycle liquid
Pipeline 420 goes out liquid temperature sensor 440 provided with secondary cycle, and the cooling-water machine also includes being used to detect outdoor environment temperature
Outdoor environment temperature sensor 600.The pipeline of the mechanical refrigeration system 100 is provided with condensing pressure sensor 160.
The control method of above-mentioned secondary cycle formula evaporative condenser natural cooling cooling-water machine, including following control logic：
1）When the temperature that outdoor environment temperature sensor detects is higher than the temperature that interior circulation feed liquor temperature sensor detects
When spending, triple valve closes the bypass of connection natural cooling coil pipe, and whole refrigerants of internal circulation system are without natural cooling coil pipe
It is directly entered evaporator heat exchange, interior circulation power pump full-load run；Compressor is according to secondary cycle feed liquor temperature sensor or two
It is secondary to recycle the temperature that liquid temperature sensor detects and carry out plus Unloading Control；
2）When the temperature that outdoor environment temperature sensor detects is less than the temperature that interior circulation feed liquor temperature sensor detects
Degree but can be completely out of service higher than compressor temperature when, triple valve is interior the bypass of connection natural cooling coil pipe opening
Whole refrigerants of the circulatory system first flow through natural cooling coil pipe, enter back into evaporator heat exchange, interior circulation power pump full-load run；Pressure
Contracting machine goes out the temperature that liquid temperature sensor detects according to secondary cycle feed liquor temperature sensor or secondary cycle to be carried out plus unloading
Control；
3）When the temperature that outdoor environment temperature sensor detects less than compressor can be completely out of service temperature but
When can be by the operation of minimum air quantity or temperature completely out of service higher than cooling blower, compressor and condensation fan stop fortune
OK, triple valve opens the bypass of connection natural cooling coil pipe, and whole refrigerants of internal circulation system first flow through natural cooling coil pipe,
Enter back into evaporator, interior circulation power pump full-load run；Cooling blower is according to secondary cycle feed liquor temperature sensor or secondary follows
Ring goes out the temperature that liquid temperature sensor detects and carries out rotational speed regulation control；
4）When the temperature that outdoor environment temperature sensor detects can be by the operation or complete of minimum air quantity less than cooling blower
Full during temperature out of service, cooling blower is run by minimum air quantity or completely out of service, compressor and condensation fan stopping
Operation, triple valve open the bypass of connection natural cooling coil pipe, and whole refrigerants of internal circulation system first flow through natural cooling disk
Pipe, enters back into evaporator；Interior circulation power pump goes out liquid TEMP according to secondary cycle feed liquor temperature sensor or secondary cycle
The temperature that device detects carries out rotational speed regulation control；
5）When the temperature that outdoor environment temperature sensor detects can be by the operation or complete of minimum air quantity less than cooling blower
Full temperature out of service and when internal circulation system kinetic pump reaches minimum speed running status, cooling blower is by minimum air quantity fortune
Row is completely out of service, and internal circulation system kinetic pump is run by minimum speed, and triple valve passes according to secondary cycle feed liquor temperature
Sensor or secondary cycle go out the temperature that liquid temperature sensor detects and control are adjusted.
Above-described embodiment is only wherein specific implementation of the present utility model, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the utility model patent scope can not be interpreted as.It should be pointed out that the ordinary skill for this area
For personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are apparent
Alternative forms belong to the scope of protection of the utility model.
Claims (7)
1. a kind of secondary cycle formula evaporative condenser natural cooling cooling-water machine, including compressor, condenser, flow controller, evaporator structure
Into mechanical refrigeration system, it is characterised in that also include with evaporator carry out heat exchange internal circulation system and pass through liquid-liquid
Heat exchanger carries out the secondary circulation system of heat exchange with internal circulation system, and the internal circulation system is provided with cyclic system in controllable
Refrigerant flow direction is with the Cooling System with refrigerant progress heat exchange, the mechanical refrigeration system, internal circulation system, nature in system
Cooling system and secondary circulation system are electrically connected with the controller, and controller controls the operation of each system.
2. secondary cycle formula evaporative condenser natural cooling cooling-water machine according to claim 1, it is characterised in that followed in described
Loop system include interior circulation water influent pipeline and it is interior recycle liquid pipeline, the both ends of the interior circulation water influent pipeline and interior recycle liquid
The both ends of pipeline are connected with evaporator and liquid-liquid heat exchanger respectively, are formed in refrigerant and circulated with this, the interior circulation water influent pipeline
Or the interior liquid pipeline that recycles is provided with interior circulation power pump.
3. secondary cycle formula evaporative condenser natural cooling cooling-water machine according to claim 2, it is characterised in that the nature
Cooling system includes natural cooling coil pipe and natural cooling water influent pipeline and natural cooling drain pipe road, natural cooling feed tube
The both ends of the one end on road and the one end on natural cooling drain pipe road respectively with natural cooling coil pipe are connected, natural cooling feed tube
The other end on road and the other end on natural cooling drain pipe road be connected to interior circulation water influent pipeline or it is interior recycle liquid pipeline, and from
So cooling water influent pipeline or natural cooling drain pipe road are provided with interior circulation water influent pipeline or the interior junction for recycling liquid pipeline
Triple valve.
4. secondary cycle formula evaporative condenser natural cooling cooling-water machine according to claim 3, it is characterised in that described secondary
The circulatory system includes secondary cycle water influent pipeline and secondary cycle drain pipe road, one end of secondary cycle water influent pipeline and secondary follows
The one end on ring drain pipe road is connected with liquid-liquid heat exchanger respectively, secondary cycle water influent pipeline or secondary cycle drain pipe Lu Shangshe
There is secondary cycle kinetic pump.
5. secondary cycle formula evaporative condenser natural cooling cooling-water machine according to claim 4, it is characterised in that the condensation
Device is provided with condensation fan, and the natural cooling coil pipe is provided with cooling blower.
6. secondary cycle formula evaporative condenser natural cooling cooling-water machine according to claim 5, it is characterised in that followed in described
The interior circulation water influent pipeline of loop system is provided with interior circulation feed liquor temperature sensor, recycles liquid pipeline in it and is provided with interior circulation
Go out liquid temperature sensor；The secondary cycle water influent pipeline of the secondary circulation system is provided with secondary cycle feed liquor TEMP
Device, its secondary liquid pipeline that recycles go out liquid temperature sensor provided with secondary cycle, and the cooling-water machine also includes being used for sensing chamber
The outdoor environment temperature sensor of external environment temperature.
7. secondary cycle formula evaporative condenser natural cooling cooling-water machine according to claim 1, it is characterised in that the machinery
The pipeline of refrigeration system is provided with condensing pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720419781.7U CN206656457U (en) | 2017-04-20 | 2017-04-20 | A kind of secondary cycle formula evaporative condenser natural cooling cooling-water machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720419781.7U CN206656457U (en) | 2017-04-20 | 2017-04-20 | A kind of secondary cycle formula evaporative condenser natural cooling cooling-water machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206656457U true CN206656457U (en) | 2017-11-21 |
Family
ID=60319118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720419781.7U Active CN206656457U (en) | 2017-04-20 | 2017-04-20 | A kind of secondary cycle formula evaporative condenser natural cooling cooling-water machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206656457U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107014013A (en) * | 2017-04-20 | 2017-08-04 | 广东申菱环境系统股份有限公司 | A kind of secondary cycle formula evaporative condenser natural cooling cooling-water machine and its control method |
| CN107796137A (en) * | 2017-11-23 | 2018-03-13 | 北京百度网讯科技有限公司 | The application method of refrigeration system and refrigeration system |
-
2017
- 2017-04-20 CN CN201720419781.7U patent/CN206656457U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107014013A (en) * | 2017-04-20 | 2017-08-04 | 广东申菱环境系统股份有限公司 | A kind of secondary cycle formula evaporative condenser natural cooling cooling-water machine and its control method |
| CN107796137A (en) * | 2017-11-23 | 2018-03-13 | 北京百度网讯科技有限公司 | The application method of refrigeration system and refrigeration system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206695309U (en) | A kind of fluorine pump natural cooling evaporating type condensing cooling-water machine | |
| CN107014014A (en) | A kind of heat pipe natural cooling evaporating type condensing cooling-water machine and its control method | |
| CN103175276A (en) | Air-cooling direct-current frequency-conversion magnetic levitation nature cold source water chilling unit | |
| CN205383712U (en) | Freezing water saving system of building | |
| CN105387547A (en) | Multi-source heat-tube energy-saving system and refrigerating method based on multi-source heat tube | |
| CN102777981A (en) | Energy-saving air-conditioning system used for communication base station and capable of supplying air in object-oriented mode and running method thereof | |
| CN107062472A (en) | Double cold source refrigerating systems that natural cooling unit is combined with centrifugal water chillers | |
| CN102589313A (en) | Application method and application system of multifunctional cooling tower | |
| CN104406337B (en) | A kind of cavitation-preventive liquid feed device and refrigeration system based on this device | |
| CN202709319U (en) | Energy-saving air conditioning system with intelligent targeted refrigeration function | |
| CN105042748A (en) | Machine room air conditioner | |
| CN201396872Y (en) | Energy-saving full-automatic cold and hot water central air conditioner system | |
| CN107014013A (en) | A kind of secondary cycle formula evaporative condenser natural cooling cooling-water machine and its control method | |
| CN205425322U (en) | Multisource heat pipe economizer system | |
| CN206656457U (en) | A kind of secondary cycle formula evaporative condenser natural cooling cooling-water machine | |
| CN105387546B (en) | A kind of integration double source refrigeration station and refrigerating method | |
| CN105241145B (en) | A kind of control method of compensation double-source heat pump water chiller-heater unit | |
| CN203671820U (en) | Air source integrated central air conditioner | |
| CN105333543A (en) | Multifunctional central air-conditioning system and running control method thereof | |
| CN202581632U (en) | Heat-pump air conditioning unit of evaporating type condenser | |
| CN205332368U (en) | Freely cool off computer lab air conditioning unit | |
| CN112146301A (en) | Evaporative cold screw cold and hot water unit with total heat recovery | |
| CN111594962A (en) | Fluorine pump energy-saving indirect evaporative cooling air conditioning unit and control method | |
| CN206648224U (en) | A kind of heat pipe natural cooling evaporating type condensing cooling-water machine | |
| CN105402838A (en) | Energy-saving type closed-type cooling tower refrigerating system applied to IDC machine room |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |