CN102692057A - Energy-saving air conditioner water chilling unit and energy-saving air conditioning system - Google Patents
Energy-saving air conditioner water chilling unit and energy-saving air conditioning system Download PDFInfo
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- CN102692057A CN102692057A CN2012101790802A CN201210179080A CN102692057A CN 102692057 A CN102692057 A CN 102692057A CN 2012101790802 A CN2012101790802 A CN 2012101790802A CN 201210179080 A CN201210179080 A CN 201210179080A CN 102692057 A CN102692057 A CN 102692057A
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Abstract
The invention provides an energy-saving air conditioner water chilling unit and an energy-saving air conditioning system. The energy-saving air conditioner water chilling unit comprises an integrated refrigerating device, a cooling water circulation system and a cooling device. The cooling device is used for evaporative cooling for a heat exchanger in the cooling water circulation system by means of air cooling or water cooling. The energy-saving air conditioner water chilling unit further comprises a chilled water connector used to establishing a chilled water circulation system. Same circulating cooling media flow in the cooling water circulation system and the chilled water circulation system. A cooling water pipe is provided with at least two energy-saving conversion connectors used for selective switching. Therefore, during utilization of natural atmospheric temperature, the low-temperature cooling medium obtained in the evaporative cooling of the heat exchanger of the cooling water circulation system can be pumped by a chilled water pump and is directly switched to enter the chilled water circulation system, a cross-system homo-medium closed circulation is formed, and a cooling required environment is directly cooled when the refrigerating device stops running. Natural cold sources are fully utilized for switchable operation of cooling, heating and heat recovery, and accordingly evident energy saving effect is realized.
Description
Technical field
The present invention relates to air-conditioning technical field, relate in particular to a kind of energy-saving type air conditioner handpiece Water Chilling Units and energy-saving air conditioning system.
Background technology
At present; Domestic and international traditional air conditioner cold water unit generally adopts refrigerating plant and cooling tower (or cooling device) arranged apart; Cooling tower is arranged in outdoor; Refrigerating plant is arranged in indoor or near indoor layout, and aqueduct and the high powered water pump that must adopt have thus consumed a large amount of energy at a distance between refrigerating plant and the cooling tower.When between atmosphere natural temperature and building air conditioning environment, having the available temperature difference; When for example outdoor temperature is lower than 5 ℃ of indoor temperatures; Not having flexible, as to make full use of natural cooling source realization cooling water system technical conditions, is the limitation of refrigerating plant and cooling tower running separately technology.
Summary of the invention
Partly statement in the feature and advantage of the present invention description hereinafter perhaps can be described obviously from this, perhaps can learn through putting into practice the present invention.
For overcoming prior art problems; The present invention provides a kind of energy-saving type air conditioner handpiece Water Chilling Units and energy-saving air conditioning system; Make full use of the temperature difference of atmosphere natural temperature and building air conditioning environment, effectively carry out cooling, heat supply, the recuperation of heat conversion operation of energy resource system, thereby realize the considerable energy saving benefit.
It is following that the present invention solves the problems of the technologies described above the technical scheme that is adopted:
According to an aspect of the present invention, a kind of energy-saving type air conditioner handpiece Water Chilling Units is provided, comprises:
The refrigerating plant of integrative-structure, cooling water recirculation system and cooling device, this refrigerating plant comprises the cold-producing medium of evaporimeter, condenser, compressor and throttling arrangement and circulated therein; This cooling water recirculation system comprises cooling water pump, heat exchanger and the cooling water pipe that this cooling water pump, heat exchanger and this condenser are communicated with, and is used for the cold-producing medium that the condenser to this refrigerating plant circulates and cools off; This cooling device adopts air-cooled or water-cooling pattern carries out evaporative cooling to the heat exchanger in this cooling water recirculation system;
This energy-saving type air conditioner handpiece Water Chilling Units also comprises the chilled water interface, and it is connected on the evaporimeter of this refrigerating plant, is used between this evaporimeter and cooling environment, setting up the chilled water circulatory system through chilled water pump and chilled water pipe;
Wherein, The cooling medium homogeneity that circulates in the cooling medium that circulates in this cooling water recirculation system and this chilled water circulatory system; And this cooling water pipe in this cooling water recirculation system is provided with at least two energy-conservation translation interfaces; This energy-conservation translation interface is set to be used for optionally switching; Make in the atmosphere natural temperature period capable of using, utilize low-temperature cooling media that this heat exchanger evaporative cooling obtains to be extracted and directly to switch in this cooling water recirculation system and get into this chilled water pipe and form interdepartmental system homogeneity closed cycle by this chilled water pump, with when this refrigerating plant is out of service directly to cooling environment cooling.
According to one embodiment of present invention; This energy-conservation translation interface is set to be used for optionally switching; Make that in the atmosphere natural temperature period capable of using the low-temperature cooling media that utilizes this heat exchanger evaporative cooling to obtain in this cooling water recirculation system gets around this condenser and this cooling water pump, get into this chilled water pipe and form interdepartmental system homogeneity closed cycle and switch; And this chilled water interface is set to optionally close, and makes formed interdepartmental system homogeneity closed cycle get around this evaporimeter.
According to one embodiment of present invention, this energy-conservation translation interface is set to be used for optionally switching, and makes in the atmosphere natural temperature period capable of using; The low-temperature cooling media that utilizes this heat exchanger evaporative cooling to obtain in this cooling water recirculation system switches this chilled water pipe of entering; To the cooling environment cold is provided, the heating environment of flowing through then will offer the heating environment from the heat that the cooling environment absorbs; Return this heat exchanger, form interdepartmental system homogeneity closed cycle.
According to one embodiment of present invention; This energy-conservation translation interface is set to be used for optionally switching; Make the cooling medium of this condenser of flowing through in this cooling water recirculation system is switched to through heat recovery system; To offer heat recovery system from the heat that this condenser absorbs, return this heat exchanger and condenser, form closed cycle.
According to one embodiment of present invention, this cooling device is arranged in the top of this refrigerating plant, and this cooling device comprises the following parts of arranging from top to bottom: axial flow blower, dehydrator, spray head, fin, water-collecting tray; The heat exchanger of this cooling water recirculation system is arranged between this fin and the water-collecting tray, and the machine unit shell side between this heat exchanger and the water-collecting tray is provided with air-inlet grille, for this axial flow blower provides air inlet; This cooling device also comprises spray pump, and this spray pump offers this spray head from the suction of this water-collecting tray through spray header, and the water that this spray head sprays is flowed through downwards and this heat exchanger carried out evaporative cooling behind this fin, is recovered to then in this water-collecting tray.
According to another aspect of the present invention, a kind of energy-saving air conditioning system is provided, comprises:
The refrigerating plant of integrative-structure, cooling water recirculation system and cooling device, this refrigerating plant comprises the cold-producing medium of evaporimeter, condenser, compressor and throttling arrangement and circulated therein; This cooling water recirculation system comprises cooling water pump, heat exchanger and the cooling water pipe that this cooling water pump, heat exchanger and this condenser are communicated with, and is used for the cold-producing medium that the condenser to this refrigerating plant circulates and cools off; This cooling device adopts air-cooled or water-cooling pattern carries out evaporative cooling to the heat exchanger in this cooling water recirculation system;
This energy-saving air conditioning system also comprises the chilled water circulatory system of passing through chilled water pump and chilled water pipe foundation that is arranged between this evaporimeter and the cooling environment;
Wherein, The cooling medium homogeneity that circulates in the cooling medium that circulates in this cooling water recirculation system and this chilled water circulatory system; And this cooling water pipe that this energy-saving air conditioning system is set in this cooling water recirculation system can optionally switch; Make in the atmosphere natural temperature period capable of using; Utilize low-temperature cooling media that this heat exchanger evaporative cooling obtains to be extracted and directly to switch in this cooling water recirculation system and get into this chilled water pipe and form interdepartmental system homogeneity closed cycle by this chilled water pump, with when this refrigerating plant is out of service directly to cooling environment cooling.
According to one embodiment of present invention; This cooling water pipe that this energy-saving air conditioning system is set in this cooling water recirculation system can optionally switch; Make in the atmosphere natural temperature period capable of using; The low-temperature cooling media that utilizes this heat exchanger evaporative cooling to obtain in this cooling water recirculation system gets around this condenser and this cooling water pump, get into this chilled water pipe and form interdepartmental system homogeneity closed cycle and switch, and formed interdepartmental system homogeneity closed cycle gets around this evaporimeter.
According to one embodiment of present invention; This cooling water pipe that this energy-saving air conditioning system is set in this cooling water recirculation system can optionally switch; Make that in the atmosphere natural temperature period capable of using the low-temperature cooling media that utilizes this heat exchanger evaporative cooling to obtain in this cooling water recirculation system switches this chilled water pipe of entering, to the cooling environment cold is provided; The heating environment of flowing through then; To offer the heating environment from the heat that the cooling environment absorbs, return this heat exchanger, form interdepartmental system homogeneity closed cycle.
According to one embodiment of present invention; This cooling water pipe that this energy-saving air conditioning system is set in this cooling water recirculation system can optionally switch; Make the cooling medium of this condenser of flowing through in this cooling water recirculation system is switched to through heat recovery system; To offer heat recovery system from the heat that this condenser absorbs, return this heat exchanger and condenser, form closed cycle.
According to one embodiment of present invention, this cooling device is arranged in the top of this refrigerating plant, and this cooling device comprises the following parts of arranging from top to bottom: axial flow blower, dehydrator, spray head, fin, water-collecting tray; The heat exchanger of this cooling water recirculation system is arranged between this fin and the water-collecting tray, and the machine unit shell side between this heat exchanger and the water-collecting tray is provided with air-inlet grille, for this axial flow blower provides air inlet; This cooling device also comprises spray pump, and this spray pump offers this spray head from the suction of this water-collecting tray through spray header, and the water that this spray head sprays is flowed through downwards and this heat exchanger carried out evaporative cooling behind this fin, is recovered to then in this water-collecting tray.
Energy-saving type air conditioner handpiece Water Chilling Units of the present invention makes full use of the temperature difference of atmosphere natural temperature and building air conditioning environment; Effectively carry out cooling, heat supply, the recuperation of heat conversion operation of energy resource system, have more superior running technology and the energy-saving effect of domestic and international similar air-conditioning unit at present.Particularly, can realize following technique effect:
1, energy-saving type air conditioner handpiece Water Chilling Units of the present invention adopts integrative-structure; Save unit and made raw material; And make that set structure is compact, easy for installation, reliability is high, saved aqueduct and the energy consumption of high powered water pump between traditional air conditioner cold water unit and the cooling tower simultaneously; And, because refrigerating plant and the design of cooling device one can realize the accurate matching Design of cooling device to the amount of cooling water of refrigerator condenser, the energy consumption of having saved cooling device.
2, energy-saving type air conditioner handpiece Water Chilling Units of the present invention can be installed on roof or outdoor vacant lot, has saved indoor floor space.
3, energy-saving type air conditioner handpiece Water Chilling Units of the present invention can realize the energy-saving effect of highly significant, and when moving in the atmosphere natural temperature time period capable of using, power consumption only is the 10-20% of traditional air-conditioning unit; At China's north latitude about in the of 30 °, annual natural temperature capable of using (winter and spring and summer, autumn and winter transition season) the 100-130 days cooling time; To the north of 34 ° of north latitude, the free cold supply time has 150-210 days; Also there are same operating condition and energy-saving effect in countries and regions in similar latitude and meteorological temperature.
4, among the present invention because cooling medium (for example adopting water) adopts closed cycle, can guarantee that water quality is not contaminated, protected the efficient operation of unit well, the service life of having improved unit.
5, because the present invention has made full use of natural cooling source, therefore, refrigerating plant is shut down when energy-saving run, can make refrigerating plant prolong 5-8 service life, and is convenient to carry out the maintaining of unit downtime more.
6, utilize the present invention, the cooling device of handpiece Water Chilling Units can be closed spray pump and part automatically and start or do not start the axial flow blower operation when extremely frigid zones is moved, and has further produced the power-saving technology effect.
When 7, handpiece Water Chilling Units of the present invention was moved, cooling device reduced evaporation, reduces suave cooling water 30-50% than traditional cooling tower, and suave water loss can be zero when extremely frigid zones moved.
8, handpiece Water Chilling Units of the present invention is made by manufacturer's standard technology, and the construction quality standard is controlled, and operation maintenance is standard, simple more.
Energy-saving type air conditioner handpiece Water Chilling Units of the present invention and energy-saving air conditioning system are applicable to air conditioner surroundings widely; The integral structure form that its handpiece Water Chilling Units is succinct; Energy-conservation easily translation interface provides the technical conditions of flexible utilization atmosphere natural temperature cooling operation, and energy-saving effect is remarkable, and the cooling operation is huge to the energy-saving benefit of the database machine room of annual constant temperature, various technology factory buildings; The energy-saving type air conditioner handpiece Water Chilling Units is the direction of traditional air conditioner cold water unit, and it is adaptable across in following air conditioner surroundings, using:
1, the spring and summer of communal facilitys such as market, cinema, venue, hotel, subway station, autumn and winter transition season cooling operation;
2, database machine room, various technology factory buildings etc. require the air conditioner surroundings of constant temperature and humidity the whole year.
Through reading specification, those of ordinary skills will understand the characteristic and the content of these technical schemes better.
Description of drawings
Below through with reference to accompanying drawing and combine instance to describe the present invention particularly; Advantage of the present invention and implementation will be more obvious; Wherein content shown in the accompanying drawing only is used for explaining to of the present invention, and does not constitute the restriction of going up in all senses of the present invention, in the accompanying drawings:
Fig. 1 is the water system principle schematic of energy-saving air conditioning system of the present invention;
Fig. 2 is the inside Facad structure sketch map of energy-saving type air conditioner handpiece Water Chilling Units according to an embodiment of the invention;
Fig. 3 is the inner side structural representation of energy-saving type air conditioner handpiece Water Chilling Units according to an embodiment of the invention.
The specific embodiment
If adopt the refrigerating plant and the cooling tower of integrative-structure, only can expect in cooling tower, adopting water-cooled or air cooling way usually, the high temperature refrigerant medium that directly circulates in the condenser of cooling refrigeration device.But because the process fluid medium of cooling tower cooling is the high temperature refrigerant medium; With the cooling medium that adopts in chilled water circulatory system homogeneity not; Therefore, the process fluid medium of cooling tower cooling can not switch the entering chilled water circulatory system, when between atmosphere natural temperature and building air conditioning environment, having the available temperature difference; When for example outdoor temperature is well below indoor temperature, can't makes full use of natural cooling source and realize energy-conservation.
The present invention is combined into one traditional air-conditioning unit and cooling tower Decomposition Cycle, constitutes the energy-saving type air conditioner handpiece Water Chilling Units of energy conversion circulating technology.The cooling device of energy-saving type air conditioner handpiece Water Chilling Units of the present invention (or claiming cooling tower); The process fluid medium of cooling is not a cold-producing medium, but with the chilled water circulatory system in the cooling medium (for example adopting water) of cooling medium homogeneity, therefore; In the atmosphere natural temperature period capable of using; Like winter, spring and summer, autumn and winter transition season, the water at low temperature that can directly utilize cooling device evaporative cooling to obtain is switched entering chilled water circulatory system cooling through energy-conservation translation interface of the present invention; The heat that its cooling heat exchange is obtained also can get into heat recovery system or heating system, is recycled to cooling device.The high hot period of spring and summer, autumn and winter transition season and summer; Can control traditional air conditioner cold water unit operation pattern that switches to again automatically, the heat that its unit cooling water and condenser evaporative cooling are obtained can get into heat recovery system through energy-conservation translation interface of the present invention and be recycled to cooling device.The air conditioner cold water unit of integrative-structure of the present invention provides to make full use of applicability and the reliability that the atmosphere natural temperature carries out energy conversion.
Like Fig. 1, Fig. 2 and shown in Figure 3; The energy-saving type air conditioner handpiece Water Chilling Units of present embodiment comprises: refrigerating plant A, cooling water recirculation system and cooling device (or cooling tower) B of integrative-structure, refrigerating plant comprise the cold-producing medium of compressor 1 (can adopt refrigeration compressors such as centrifuge, screw rod machine), condenser 2, evaporimeter 3 and throttling arrangement (not indicating among the figure) and circulated therein.Cooling water recirculation system comprises cooling water pump 4, heat exchanger (adopting heat exchange coil in the present embodiment) 14 and cooling water pump 4, heat exchanger 14 and condenser 2 is communicated with the cooling water pipe 23 of getting up, and is used for the cold-producing medium of condenser 2 circulations of refrigerating plant A is cooled off; Cooling device B adopts air-cooled or water-cooling pattern carries out evaporative cooling to the heat exchanger in the cooling water recirculation system 14.
In the present embodiment, cooling device B and refrigerating plant A adopt integral structure, and cooling device B is arranged in the top of refrigerating plant A.Be convenient transportation, cooling device B and refrigerating plant A can adopt stacked version up and down, and 20 places can disassemble or assemble in the assembling section.Comprise compressor 1, condenser 2, evaporimeter 3, throttling arrangement and switch board 22 among the refrigerating plant A.Below and refrigerating plant A that the cooling water pump 4 of cooling water recirculation system can be arranged at unit are arranged together.Cooling device B comprises the following parts of arranging from top to bottom: axial flow blower 17, dehydrator 16 (can adopt baffle plate, be used to prevent that shower water from passing through axial flow blower 17 and discharging), spray head 18, fin 15, water-collecting tray 11; The heat exchanger 14 of cooling water recirculation system is arranged between fin 15 and the water-collecting tray 11, and the machine unit shell side between heat exchanger 14 and water-collecting tray 11 is provided with air-inlet grille 21, for axial flow blower 17 provides air inlet; Cooling device also comprises spray pump 12, and spray pump 12 offers spray head 18 from water-collecting tray 11 suction through spray header 19, and the water that spray head 18 the sprays fin 15 back heat exchanging devices 14 of flowing through downwards carry out evaporative cooling, are recovered to then in the water-collecting tray 11.Ball-cock assembly 13 is set in the water-collecting tray 11, is used for the water level of water-collecting tray 11 is monitored, when the water yield is not enough, carry out moisturizing automatically.
The energy-saving type air conditioner handpiece Water Chilling Units of present embodiment also comprises chilled water interface (promptly passing in and out chilled water pipe valve 5); It is connected on the evaporimeter 3 of refrigerating plant A, is used between evaporimeter 3 and cooling environment 24, setting up the chilled water circulatory system through chilled water pump 28 and chilled water pipe.
The cooling medium homogeneity that circulates in the cooling medium that circulates in the cooling water recirculation system and the chilled water circulatory system; All adopt water in the present embodiment; And the cooling water pipe in the cooling water recirculation system 23 is provided with turnover cooling water pipe valve 6; And be provided with at least two energy-conservation translation interfaces (or claim energy conversion interface or bypass interface); An energy-conservation conversion valve 7 is set on cooling water pipe 23 in the present embodiment, adopts three energy- conservation translation interfaces 8,9,10, these energy-conservation translation interfaces are set to be used for optionally switching; Make in the atmosphere natural temperature period capable of using; Like winter, spring and summer, autumn and winter transition season, the low-temperature cooling water that utilizes heat exchanger 14 evaporative coolings to obtain in the cooling water recirculation system can be frozen that water pump 28 extracts and directly switch and get into chilled water pipe and form interdepartmental system homogeneity closed cycle, with when refrigerating plant is out of service directly to cooling environment 24 coolings.
Certainly those skilled in the art can carry out various variations to the form of energy-conservation translation interface; For example can directly adopt multiway valve (like three-way valve); Cooling water is switched get into chilled water pipe; Also can be the three-way pipe interface, realize that through external pipe and valve design cooling water switches the entering chilled water pipe, these change all within protection scope of the present invention.
A preferred embodiment according to present embodiment; Energy-conservation translation interface is set to be used for optionally switching; Make that in the atmosphere natural temperature period capable of using the low-temperature cooling water that utilizes heat exchanger 14 evaporative coolings to obtain in the cooling water recirculation system gets around condenser 2 and cooling water pump 4, get into chilled water pipe and form interdepartmental system homogeneity closed cycle and switch; And the chilled water interface is set to optionally close, and makes formed interdepartmental system homogeneity closed cycle get around evaporimeter.Like this; When utilizing natural cooling source; Compressor 1, condenser 2, evaporimeter 3, cooling water pump 4 are all out of service, are that cooling water capable of using carries out the cooling circulation in chilled water pipe and only need chilled water pump 28 work, and it shuts down the service life that cooling time improved unit.
According to an instantiation of present embodiment, energy-conservation translation interface is set to be used for optionally switching, and makes in the atmosphere natural temperature period capable of using; The low-temperature cooling water that utilizes heat exchanger 14 evaporative coolings to obtain in the cooling water recirculation system switches the entering chilled water pipe; To cooling environment 24 cold is provided, the heating environment 25 of flowing through then will offer heating environment 25 from the heat that cooling environment 24 absorbs; Return heat exchanger 14, form interdepartmental system homogeneity closed cycle.Can recycle heat like this, further produce the power-saving technology effect.
In the present embodiment; Energy-conservation translation interface is set to be used for optionally switching; Make the cooling water that when refrigerating plant moves, makes the condenser 2 of flowing through in the cooling water recirculation system switch to through heat recovery system 25; To offer heat recovery system 25 from the heat that condenser 2 absorbs, return heat exchanger 14 and condenser 2, form closed cycle.
Fig. 1 shows the operation principle of the water system of energy-saving air conditioning system of the present invention; Energy-saving air conditioning system adopts aforesaid energy-saving type air conditioner handpiece Water Chilling Units, and comprises the chilled water circulatory system of passing through chilled water pump 28 and chilled water pipe foundation that is arranged between evaporimeter 3 and the cooling environment 24.The forward and backward valve 26 and the valve 27 of having respectively of chilled water pump 28 among Fig. 1 so that when maintenance, cut off chilled water circuit, changed or maintenance chilled water pump 28.
The cooling water pipe that energy-saving air conditioning system is set in the cooling water recirculation system can optionally switch; Make in the atmosphere natural temperature period capable of using; The low-temperature cooling water that utilizes heat exchanger evaporative cooling to obtain in the cooling water recirculation system can be frozen that water pump 28 extracts and directly switch and get into chilled water pipe and form interdepartmental system homogeneity closed cycle, with when refrigerating plant is out of service directly to cooling environment cooling.A preferred embodiment according to present embodiment; The cooling water pipe that energy-saving air conditioning system is set in the cooling water recirculation system can optionally switch; Make in the atmosphere natural temperature period capable of using; The low-temperature cooling water that utilizes heat exchanger evaporative cooling to obtain in the cooling water recirculation system gets around condenser 2 and cooling water pump 4, get into chilled water pipe and form interdepartmental system homogeneity closed cycle and switch, and formed interdepartmental system homogeneity closed cycle gets around evaporimeter 3.
An instantiation according to present embodiment; The cooling water pipe that energy-saving air conditioning system is set in the cooling water recirculation system can optionally switch; Make that in the atmosphere natural temperature period capable of using the low-temperature cooling water that utilizes heat exchanger 14 evaporative coolings to obtain in the cooling water recirculation system switches the entering chilled water pipe, to the cooling environment cold is provided; Flow through then the heating environment 25; To offer heating environment 25 from the heat that cooling environment 24 absorbs, return heat exchanger 14, form interdepartmental system homogeneity closed cycle.
The cooling water pipe that energy-saving air conditioning system is set in the cooling water recirculation system can optionally switch; Make the cooling water that when refrigerating plant moves, makes the condenser 2 of flowing through in the cooling water recirculation system switch to through heat recovery system 25; To offer heat recovery system 25 from the heat that condenser 2 absorbs; Return heat exchanger 14 and condenser 2, form closed cycle.
In energy-saving air conditioning system, pipeline and valve between energy-saving type air conditioner handpiece Water Chilling Units and cooling environment 24, heat recovery system or the heating environment 25 can specifically design according to top principle when energy-saving air conditioning system carries out project installation.Concrete arrangement form with pipeline among Fig. 1 and valve is that example is illustrated below.Between energy-saving type air conditioner handpiece Water Chilling Units and cooling environment 24, heat recovery system or heating environment 25, be furnished with many pipelines and corresponding valve 29,30,31,32,33,34 among Fig. 1.
During energy-saving type air conditioner handpiece Water Chilling Units energy-saving run; Its machine set compressor is out of service; The cooling water that adopts assembly cooling device and available atmosphere natural temperature (winter, spring and summer, the time when autumn turns into winter transition season temperature) heat exchange for example to be lower than 18 ° of C switches the entering chilled water circulatory system, switches through valve, by water pump cooling, heating (or replenishing heating); Because of not limit by the refrigeration compressor technology, operating condition is more wide in range, technology is more reliable.
Energy-saving air conditioning system workflow shown in Figure 1 is following:
(1) operating condition one
This operating mode is applicable to the summer cooling operation: Open valve 5,6,26,27,31,33, valve-off 34,29,30,32 starts cooling water pump 4, cooling device B, chilled water pump 28, refrigerating plant A operation.
The cooling water cyclic process is: cooling water pump 4 → valve 6 → valve 31 → valve 33 → cooling device B → condenser 2 → cooling water pump 4
The chilled water cyclic process is: chilled water pump 28 → cooling environment 24 → evaporimeter 3 → chilled water pump 28
(2) operating condition two
This operating mode is applicable to summer cooling and recuperation of heat operation: Open valve 5,6,26,27,32,33, valve- off 34,29,30,31 starts cooling water pump 4, cooling device B, chilled water pump 28, refrigerating plant A operation.
The cooling water cyclic process is: cooling water pump 4 → valve 6 → valve 32 → heat recovery system 25 → valve 33 → cooling device B → condenser 2 → cooling water pump 4
The chilled water cyclic process is: chilled water pump 28 → cooling environment 24 → evaporimeter 3 → chilled water pump 28
(3) operating condition three
This operating mode is applicable to that winter (computer floor, technology factory building need annual constant temperature air conditioning environment) and spring and summer, autumn and winter transition season cooling move: close refrigerating plant A; Valve- off 5,6,34,32; Open valve 26,27,29,30,31,33; Close cooling water pump 4, start chilled water pump 28 and cooling device B operation.
The cooling cyclic process is: chilled water pump 28 → cooling environment 24 → valve 30,31,33 → cooling device B → valve, 29 → chilled water pump 28
(4) operating condition four
This operating mode is applicable to cooling in winter, heating (or replenishing heating) operation: close refrigerating plant A, and valve- off 5,6,34,31, Open valve 26,27,29,30,32,33 is closed cooling water pump 4, starts chilled water pump 28 and cooling device B operation.
Cooling heating cyclic process is: chilled water pump 28 → cooling environment 24 → valve 30,32 → heating environment 25 → valve 33 → cooling device B → valve 29 → chilled water pump 28
Each valve in the present embodiment can adopt electrically operated valve or manually-operated gate.When between atmosphere natural temperature and building air conditioning environment, having the available temperature difference,, realize the switching of various operating modes, reach purpose of energy saving through the opening and closing of each valve.
During energy-saving type air conditioner handpiece Water Chilling Units cut-off operation, high humidity environment adopts independently dehumidification system.The extremely frigid zones circulation is added anti-icing fluid, to adapt to the working condition requirement of air conditioner surroundings.
Above with reference to description of drawings the preferred embodiments of the present invention, those skilled in the art do not depart from the scope and spirit of the present invention, and can have multiple flexible program to realize the present invention.For example, the characteristic that illustrates or describe as the part of an embodiment can be used for another embodiment to obtain another embodiment.More than be merely the preferable feasible embodiment of the present invention, be not so limit to interest field of the present invention, the equivalence that all utilizations specification of the present invention and accompanying drawing content are done changes, and all is contained within the interest field of the present invention.
Claims (10)
1. energy-saving type air conditioner handpiece Water Chilling Units is characterized in that comprising:
The refrigerating plant of integrative-structure, cooling water recirculation system and cooling device, said refrigerating plant comprises the cold-producing medium of evaporimeter, condenser, compressor and throttling arrangement and circulated therein; Said cooling water recirculation system comprises cooling water pump, heat exchanger and the cooling water pipe that said cooling water pump, heat exchanger and said condenser are communicated with, and is used for the cold-producing medium that the condenser to said refrigerating plant circulates and cools off; Said cooling device adopts air-cooled or water-cooling pattern carries out evaporative cooling to the heat exchanger in the said cooling water recirculation system;
Said energy-saving type air conditioner handpiece Water Chilling Units also comprises the chilled water interface, and it is connected on the evaporimeter of said refrigerating plant, is used between said evaporimeter and cooling environment, setting up the chilled water circulatory system through chilled water pump and chilled water pipe;
Wherein, The cooling medium homogeneity that circulates in the cooling medium that circulates in the said cooling water recirculation system and the said chilled water circulatory system; And the said cooling water pipe in the said cooling water recirculation system is provided with at least two energy-conservation translation interfaces; Said energy-conservation translation interface is set to be used for optionally switching; Make in the atmosphere natural temperature period capable of using, utilize low-temperature cooling media that said heat exchanger evaporative cooling obtains to be extracted and directly to switch in the said cooling water recirculation system and get into said chilled water pipe and form interdepartmental system homogeneity closed cycle by said chilled water pump, with when said refrigerating plant is out of service directly to cooling environment cooling.
2. energy-saving type air conditioner handpiece Water Chilling Units according to claim 1; It is characterized in that; Said energy-conservation translation interface is set to be used for optionally switching; Make that in the atmosphere natural temperature period capable of using, the low-temperature cooling media that utilizes said heat exchanger evaporative cooling to obtain in the said cooling water recirculation system gets around said condenser and said cooling water pump, get into said chilled water pipe and form interdepartmental system homogeneity closed cycle and switch; And said chilled water interface is set to optionally close, and makes formed interdepartmental system homogeneity closed cycle get around said evaporimeter.
3. energy-saving type air conditioner handpiece Water Chilling Units according to claim 1 and 2; It is characterized in that said energy-conservation translation interface is set to be used for optionally switching, make in the atmosphere natural temperature period capable of using; The low-temperature cooling media that utilizes said heat exchanger evaporative cooling to obtain in the said cooling water recirculation system switches the said chilled water pipe of entering; To the cooling environment cold is provided, the heating environment of flowing through then will offer the heating environment from the heat that the cooling environment absorbs; Return said heat exchanger, form interdepartmental system homogeneity closed cycle.
4. energy-saving type air conditioner handpiece Water Chilling Units according to claim 1; It is characterized in that; Said energy-conservation translation interface is set to be used for optionally switching, and makes the cooling medium of the said condenser of flowing through in the said cooling water recirculation system is switched to through heat recovery system, will offer heat recovery system from the heat that said condenser absorbs; Return said heat exchanger and condenser, form closed cycle.
5. energy-saving type air conditioner handpiece Water Chilling Units according to claim 1; It is characterized in that; Said cooling device is arranged in the top of said refrigerating plant, and said cooling device comprises the following parts of arranging from top to bottom: axial flow blower, dehydrator, spray head, fin, water-collecting tray; The heat exchanger of said cooling water recirculation system is arranged between said fin and the water-collecting tray, and the machine unit shell side between said heat exchanger and the water-collecting tray is provided with air-inlet grille, for said axial flow blower provides air inlet; Said cooling device also comprises spray pump; Said spray pump offers said spray head from said water-collecting tray suction through spray header; The water that said spray head sprays is flowed through downwards and said heat exchanger is carried out evaporative cooling behind the said fin, is recovered to then in the said water-collecting tray.
6. energy-saving air conditioning system is characterized in that comprising:
The refrigerating plant of integrative-structure, cooling water recirculation system and cooling device, said refrigerating plant comprises the cold-producing medium of evaporimeter, condenser, compressor and throttling arrangement and circulated therein; Said cooling water recirculation system comprises cooling water pump, heat exchanger and the cooling water pipe that said cooling water pump, heat exchanger and said condenser are communicated with, and is used for the cold-producing medium that the condenser to said refrigerating plant circulates and cools off; Said cooling device adopts air-cooled or water-cooling pattern carries out evaporative cooling to the heat exchanger in the said cooling water recirculation system;
Said energy-saving air conditioning system also comprises the chilled water circulatory system of passing through chilled water pump and chilled water pipe foundation that is arranged between said evaporimeter and the cooling environment;
Wherein, The cooling medium homogeneity that circulates in the cooling medium that circulates in the said cooling water recirculation system and the said chilled water circulatory system; And the said cooling water pipe that said energy-saving air conditioning system is set in the said cooling water recirculation system can optionally switch; Make in the atmosphere natural temperature period capable of using; Utilize low-temperature cooling media that said heat exchanger evaporative cooling obtains to be extracted and directly to switch in the said cooling water recirculation system and get into said chilled water pipe and form interdepartmental system homogeneity closed cycle by said chilled water pump, with when said refrigerating plant is out of service directly to cooling environment cooling.
7. energy-saving air conditioning system according to claim 6; It is characterized in that; The said cooling water pipe that said energy-saving air conditioning system is set in the said cooling water recirculation system can optionally switch; Make in the atmosphere natural temperature period capable of using; The low-temperature cooling media that utilizes said heat exchanger evaporative cooling to obtain in the said cooling water recirculation system gets around said condenser and said cooling water pump, get into said chilled water pipe and form interdepartmental system homogeneity closed cycle and switch, and formed interdepartmental system homogeneity closed cycle gets around said evaporimeter.
8. according to claim 6 or 7 described energy-saving air conditioning systems; It is characterized in that the said cooling water pipe that said energy-saving air conditioning system is set in the said cooling water recirculation system can optionally switch, make in the atmosphere natural temperature period capable of using; The low-temperature cooling media that utilizes said heat exchanger evaporative cooling to obtain in the said cooling water recirculation system switches the said chilled water pipe of entering; To the cooling environment cold is provided, the heating environment of flowing through then will offer the heating environment from the heat that the cooling environment absorbs; Return said heat exchanger, form interdepartmental system homogeneity closed cycle.
9. energy-saving air conditioning system according to claim 6; It is characterized in that; The said cooling water pipe that said energy-saving air conditioning system is set in the said cooling water recirculation system can optionally switch, and makes the cooling medium of the said condenser of flowing through in the said cooling water recirculation system is switched to through heat recovery system, will offer heat recovery system from the heat that said condenser absorbs; Return said heat exchanger and condenser, form closed cycle.
10. energy-saving air conditioning system according to claim 6; It is characterized in that; Said cooling device is arranged in the top of said refrigerating plant, and said cooling device comprises the following parts of arranging from top to bottom: axial flow blower, dehydrator, spray head, fin, water-collecting tray; The heat exchanger of said cooling water recirculation system is arranged between said fin and the water-collecting tray, and the machine unit shell side between said heat exchanger and the water-collecting tray is provided with air-inlet grille, for said axial flow blower provides air inlet; Said cooling device also comprises spray pump; Said spray pump offers said spray head from said water-collecting tray suction through spray header; The water that said spray head sprays is flowed through downwards and said heat exchanger is carried out evaporative cooling behind the said fin, is recovered to then in the said water-collecting tray.
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| CN107192164A (en) * | 2017-06-30 | 2017-09-22 | 江阴市人民医院 | Hospital central air-conditioning and hot water supply system with heat pump of high-temp water source unit |
| CN107940638A (en) * | 2017-11-07 | 2018-04-20 | 珠海格力电器股份有限公司 | The handpiece Water Chilling Units and its autocontrol method of the changeable type of cooling |
| TWI626407B (en) * | 2017-03-29 | 2018-06-11 | 動態技術有限公司 | Air conditioning system and air conditioning control method |
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