CN106152318A - A kind of varying duty regulation integral system based on cooling water bus and operation method - Google Patents

A kind of varying duty regulation integral system based on cooling water bus and operation method Download PDF

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Publication number
CN106152318A
CN106152318A CN201610702842.0A CN201610702842A CN106152318A CN 106152318 A CN106152318 A CN 106152318A CN 201610702842 A CN201610702842 A CN 201610702842A CN 106152318 A CN106152318 A CN 106152318A
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China
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water
air
cooling
cooling water
varying duty
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许�鹏
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SUZHOU FOUNDATION HVAC CO Ltd
Tongji University
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SUZHOU FOUNDATION HVAC CO Ltd
Tongji University
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Priority to CN201610702842.0A priority Critical patent/CN106152318A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/40Fluid line arrangements

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Air Conditioning Control Device (AREA)
  • Other Air-Conditioning Systems (AREA)

Abstract

The invention discloses a kind of varying duty regulation integral system based on cooling water bus, it includes cooling down water bus subsystem and varying duty regulon system, described cooling water bus subsystem includes water circulating pump, recirculated water main line pipeline and the recirculated water bypass line some in parallel with described recirculated water main line pipeline communication, and described recirculated water bypass line is provided with water source heat pump units;What described each water source heat pump units was corresponding is provided with a described varying duty regulon system, described varying duty regulon system includes air-treatment unit and air-supply module, described water source heat pump units in every described recirculated water bypass line realizes air and the heat exchange cooling down water with the air-treatment unit linkage of corresponding described varying duty regulon system, after heat-shift, cooling down water described in some recirculated water bypass line to converge in the pipeline of recirculated water main line, it can effectively realize reducing air conditioning energy consumption, improving operational efficiency.

Description

A kind of varying duty regulation integral system based on cooling water bus and operation method
Technical field
The present invention relates to air conditioning system field, particularly relating to a kind of varying duty regulation integration based on cooling water bus is System and operation method.
Background technology
Global energy supply growing tension, energy conservation and problem of complex utilization are by the common concern of countries in the world, joint Can work be a difficult task for a long time.Wherein, building energy conservation is the important component part of whole energy conservation, and builds The energy consumption of air conditioning system occupies again significant proportion in constructing operation energy consumption, so the energy consumption reducing air conditioning system is to reduce The important measures of energy for building waste.
For having the big-and-middle-sized building of air conditioning system, the neighboring area of building is affected relatively big by outdoor weather condition, the winter Season needs timely heat supply, and summer needs timely cooling, and the cooling and heating load of every day is also with outside air temperature and the conversion of solar radiant heat In cyclically-varying, neighboring area different towards region cooling and heating load also have certain difference;And the interior zone built due to Machinery equipment, staff etc. can produce heat and make the existence that throughout the year has surplus heat, and it has very with the cooling and heating load of neighboring area Big difference.Just because of this kind of reason, in heavy construction, diverse location often has certain difference to the regulatory demand of air-conditioning;More Have notably, such as in the case of sky turns cold, it may appear that building neighboring area stops cooling or has started to heat supply, and interior zone Still need to the phenomenon of cooling.When in the face of this kind of situation, traditional air conditioning system needs air to be carried out heat treatment again then to building Build neighboring area and carry out heat supply, so certainly will cause energy waste.
And, many big-and-middle-sized buildings were affected by office hours and individual's heating cooling needs, subregion air-conditioning system System utilization rate is the highest, especially the lowest in the rate of load condensate that transitional season, source pump or handpiece Water Chilling Units are corresponding, deviates far away height Effect operating point, COP value (i.e. the ratio of heating capacity or refrigerating capacity and input power) is much smaller than design conditions, has that " big horse traction is little Car " phenomenon.
It addition, for air conditioning system, blower fan is according to carrying out type selecting under the design conditions of air conditioning system, right In all-air system, owing to needs air is sent directly into indoor, the specific heat of air is much smaller than water, causes needing bigger air quantity Load required in energy compartment, based on this, the blower fan in all-air system also can cause bigger energy consumption.
More than based on, industry has a kind of effective solution to be supplied to realize the joint of big-and-middle-sized air conditioning system Energy.
Summary of the invention
It is contemplated that one of technical problem that at least solution prior art exists, for achieving the above object, this Bright providing a kind of varying duty regulation integral system and operation method based on cooling water bus, its specific design mode is such as Under.
A kind of varying duty regulation integral system based on cooling water bus, including cooling water bus subsystem and varying duty Regulon system, it is characterised in that described cooling water bus subsystem includes circulating water pipeline, water circulating pump, described recirculated water Pipe interior has cooling water, described circulating water pipeline include recirculated water main line pipeline and with described recirculated water main line pipeline communication The recirculated water bypass line of some parallel connections, described recirculated water bypass line is provided with water source heat pump units;Described each water What source source pump was corresponding is provided with a described varying duty regulon system, and described varying duty regulon system includes at air Reason unit and air-supply module, described air-supply module includes air supply duct, blower fan and variable air volume box VAVbox, and described air-supply module is used In the space delivering the air to connect with described air supply duct terminal to meet temperature and/or the moisture requirement in described space; At the air of the described water source heat pump units in every described recirculated water bypass line and corresponding described varying duty regulon system Reason unit linkage realizes the heat exchange of air and cooling water, and after carrying out heat exchange, described air is via described air supply duct Enter the space connected with described air supply duct terminal, cool down water described in some recirculated water bypass line and manage on recirculated water main line Road converges.
Further, described integral system is used for being divided into the building in dissimilar region by different hot-cool demands, with Realize cooling and/or heat supply in dissimilar region simultaneously.
Further, described Water source heat pump unit component layers is arranged, and same level includes some described water source heat pump units, often Water source heat pump units described in one matches with the same type region of building.
Further, described varying duty regulon system includes an air-treatment unit and several variable air volume box VAVbox。
Further, described variable air volume box VAVbox is according to the aperture of the load adjustment valve in all types of regions.
Further, described blower fan is frequency conversion fan, and the frequency of described blower fan is according to the valve of described variable air volume box VAVbox Aperture is adjusted.
Further, described water source heat pump units is according to cold in the wind pushing temperature of described air supply duct and described circulating water pipeline But water return water temperature is automatically adjusted output.One more specifically mode, described water source heat pump units is by regulating inside it The operation quantity of compressor is to realize.
Further, described cooling water bus subsystem also includes cooling tower, boiler, in parallel the setting of described cooling tower, boiler Put on the pipeline of described recirculated water main line.
Further, described integral system also includes control subsystem, expansion tank, coil pipe, wherein, described control System is for controlling the operation of described integral system, and described expansion tank is used for housing and the breathing amount of water in compensation system, Described coil pipe is for realizing cold or the exchange of heat in described integral system.
It addition, present invention also offers the operation side of a kind of varying duty regulation integral system based on cooling water bus Method, it comprises the following steps:
A, in the type area needing cooling, corresponding described water source heat pump units press refrigeration modes run, air by sky Heat is passed to the cooling water in recirculated water bypass line by gas disposal unit;
B, in the type area needing cooling, corresponding described water source heat pump units is run by the mode of heating, air by sky Cold is passed to the cooling water in recirculated water bypass line by gas disposal unit;
C, a converge in the pipeline of described recirculated water main line with the cooling water in b two step;
D, detection are through converging the actual temperature cooling down water in the pipeline of Posterior circle water main line, by itself and the design temperature model cooling down water Enclosing and contrast, if the actual temperature of cooling water is higher than design temperature range limit, cooling tower enables, and cooling water is by cooling Tower carries out being cooled in the range of temperature is in design temperature;If the actual temperature of cooling water is less than design temperature range lower limit, Boiler enables, and cooling water carries out being heated in the range of temperature is in design temperature by boiler.
Based on above design, the method have the advantages that
1) when at the same time building zones of different being carried out cooling and heat supply, in cooling water bus subsystem, zones of different cold But water is converged by recirculated water main line pipeline, to realize cooling down in different recirculated water bypass line mutually supporting of water-cooled amount and heat Disappear, thus reduce the load that on the pipeline of recirculated water main line, cooling tower or boiler are undertaken accordingly;2) described water source heat pump units The adjustment of power can be realized according to demand, so that water source heat pump units keeps high on the premise of meeting user side demand Efficiency is run, it is to avoid cause the situation that COP value declines because of underrun;3) in the present invention blower fan according to indoor load from The dynamic frequency that changes adjusts air output, it is ensured that significantly reduce the power consumption of blower fan on the premise of indoor load demand.
Accompanying drawing explanation
Fig. 1 is a kind of subregion schematic diagram of involved building in the present invention;
Fig. 2 is to cool down water bus subsystem in the present invention to mainly comprise a kind of embodiment schematic diagram of structure;
Fig. 3 is a kind of embodiment schematic diagram that varying duty regulon system of the present invention mainly comprises structure.
Detailed description of the invention
Describe the present invention below with reference to each embodiment shown in the drawings, referring to figs. 1 through shown in Fig. 3, Its some better embodiment for the present invention shown.
Fig. 1 show a kind of subregion schematic diagram of building, the present embodiment for relatively simple displaying the intent of the present invention, Only building interior is divided on plane space interior zone and perimeter, in some other embodiment, can will build Inside is divided into more region.
Matching with the building of subregion shown in Fig. 1, Fig. 2 show in the present invention cooling water bus subsystem and mainly comprises structure A kind of embodiment schematic diagram, Fig. 3 show varying duty regulon system of the present invention and mainly comprises a kind of enforcement of structure and illustrate It is intended to.
Shown in accompanying drawing, the varying duty regulation integral system based on cooling water bus in the present embodiment, including cold But water bus subsystem and varying duty regulon system.
Wherein, cooling water bus subsystem basic structure is as in figure 2 it is shown, it includes that circulating water pipeline, water circulating pump are (in figure Not shown, be used for driving recirculated water circulation in circulating water pipeline), there is inside circulating water pipeline cooling water, recirculated water Pipeline includes recirculated water main line pipeline and the recirculated water bypass line some in parallel with recirculated water main line pipeline communication.With reference to figure Shown in 2,3 recirculated water bypass line are provided with a set of water source heat pump units.
With reference to shown in Fig. 3, what each water source heat pump units was corresponding is provided with a varying duty regulon system, and varying duty is adjusted Sub-system includes air-treatment unit (being reduced to AHU) and air-supply module, and wherein, air-supply module includes air supply duct, blower fan (not shown in figure, being used for driving air supply duct inner air to circulate) and variable air volume box VAVbox, air-supply module is for by air It is delivered to particular space to meet temperature and/or the moisture requirement in space.As it is shown on figure 3, the air being made up of new wind and return air Through air-treatment unit (AHU) by by air-supply module send into building interior connect with air supply duct terminal space (i.e. Room shown in figure).
More specifically, the water source heat pump units in every recirculated water bypass line and phase strain burden regulon system Air-treatment unit (AHU) linkage realizes the heat exchange of air and cooling water, and after carrying out heat exchange, air is via ajutage Road enters the space connected with described air supply duct terminal, cools down water on recirculated water main line described in some recirculated water bypass line Pipeline converges.
In some more specifically system operation, water source heat pump units and air-treatment unit (AHU) link Concrete mode is: the water source heat pump units needing the region of cooling corresponding is run by refrigeration modes, and air is at air-treatment unit (AHU) in, heat is passed to chilled water, the most again heat is passed to the recirculated water in cooling water circulation pipeline;And need heat supply Water source heat pump units corresponding to region is run by the mode of heating, and is finally also passed in cooling water circulation pipeline by the cold of air Recirculated water.
The building that the integral system of the present invention is applicable to by different hot-cool demands are divided into dissimilar region (does not limits In partition method shown in Fig. 1), it includes the big-and-middle-sized buildings such as office block, commercial building, comprehensive office block, uses this The integral system of invention can realize in dissimilar region simultaneously cooling and/or heat supply (heat supply simultaneously of the most all regions, with Time cooling or heating part subregion, subregion cooling).
Water source heat pump unit component layers in the present invention is arranged, and for skyscraper, i.e. every floor is provided with necessarily The water source heat pump units of quantity, as a kind of optimal way, in each water source heat pump units correspondence building in each layer Same type region (same type region i.e. represents that this region only needs heat supply or only needs cooling).As in figure 2 it is shown, each water source is warm Pump assembly only matches with interior zone or perimeter, there is not same water source heat pump units with inside, perimeter simultaneously Coupling;In other words, the region corresponding to water source heat pump units would not occur within certain specific time simultaneously heat supply and The situation of cooling.
In one embodiment, the varying duty regulon system of the present invention include an air-treatment unit and several Variable air volume box VAVbox, wherein, variable air volume box VAVbox is according to the aperture of the load adjustment valve in all types of regions.Such as Fig. 3 institute Showing, each water source heat pump units corresponding varying duty regulation system, it undertakes the multiple room of the same area as an entirety Between load.In traditional air conditioning system, the corresponding multiple air-treatment units of water source heat pump units, due to each air Processing the loading difference that region corresponding to unit needs, so the water temperature needed is the most different, and a water resource heat pump can only carry For a kind of water temperature so that cold or heat required for some region are not being met, and other sometimes can only be used extremely to consume The mode (such as reheating) of energy solves;And the present invention uses the form of each water resource heat pump corresponding varying duty regulation system, Preferably solve this problem.
As the preferred version of the present invention, the blower fan in the present invention is frequency conversion fan, and the frequency of blower fan is according to variable air volume box The valve opening of VAVbox is adjusted.Relative to constant air volume system, which can realize different room temperature personalization and set Put;It addition, traditional CPC control be according to pipeline point static pressure regulation blower fan rotating speed, but static pressure point choose and The problem of the setting of static pressure yet suffers from, and common solution is to choose higher static pressure setting value to ensure the need of load Asking, but when workload demand is relatively low, the running status of this system is that valve opening is the least, blower fan is for ensureing that static pressure sets simultaneously Value need nonetheless remain for keeping certain rotating speed, energy consumption now all to consume on valve so that system effectiveness is relatively low.And this enforcement Using in example and become static pressure mode, it can regulate the rotating speed of blower fan according to the aperture of end valve, so that valve to the greatest extent may be used Opening big, blower fan ensures the demand of air quantity under alap rotating speed energy, it is achieved thereby that the most energy-conservation.
It addition, the water source heat pump units of the present invention can be according to cooling down water in the wind pushing temperature of air supply duct and circulating water pipeline Return water temperature is automatically adjusted output.One more specifically mode, water source heat pump units is by regulating its inner compressor Run quantity to realize output regulation.
According to embodiment of above, the cooling water bus subsystem in the present invention also includes cooling tower, boiler, involved In parallel being arranged on the pipeline of recirculated water main line of cooling tower, boiler, thus realize cooling water is optionally heated or made Cold.Additionally, properly functioning for the ease of whole integral system, the integral system of the present invention also includes control subsystem System, expansion tank, coil pipe etc., wherein, control subsystem for controlling the operation of described integral system (for realizing system It is automatically or manually controlled), expansion tank is for housing and the breathing amount of water in compensation system, and coil pipe is used for realizing integral system The exchange of middle heat (or cold).In some more specifically embodiment, the air supply duct in the present invention, coil pipe, valve All it is the integrated design manufacture Deng parts, in order to Fast Installation, thus has in greenfield or transformation project greatly Installation advantage.
Present invention also offers the operation method of a kind of varying duty regulation integral system based on cooling water bus, its bag Include following steps:
A, in the type area needing cooling, corresponding water source heat pump units is pressed refrigeration modes and is run, and air is by air Heat is passed to the cooling water in recirculated water bypass line by reason unit;
B, in the type area needing cooling, corresponding water source heat pump units is run by the mode of heating, and air is by air Cold is passed to the cooling water in recirculated water bypass line by reason unit;
C, a converge in the pipeline of recirculated water main line with the cooling water in b two step;
D, detection are through converging the actual temperature cooling down water in the pipeline of Posterior circle water main line, by itself and the design temperature model cooling down water Enclosing and contrast, if the actual temperature of cooling water is higher than design temperature range limit, cooling tower enables, and cooling water is by cooling Tower carries out being cooled in the range of temperature is in design temperature;If the actual temperature of cooling water is less than design temperature range lower limit, Boiler enables, and cooling water carries out being heated in the range of temperature is in design temperature by boiler.
In conjunction with Fig. 1 to Fig. 3, specifically it is unfolded as follows:
When overall situation temperature reduces (such as sky has just turned cool), the perimeter built as shown in Figure 1 can be faced and need heat supply, interior Region, portion needs to continue the situation of cooling owing to having waste heat.Now, system is to interior of building district cooling, interior zone Water source heat pump units press refrigeration modes run, heat is passed to after mixing with return air in air-treatment unit (AHU) by new wind Chilled water, and be ultimately transferred to cool down water;The water source heat pump units of perimeter is run by the mode of heating, and the cold in air is Being also passed to cool down water eventually, then cooling water converges in the pipeline of recirculated water main line so that aforementioned obtained heat and cold Realize partly or entirely offsetting, thus greatly reduce the load undertaken needed for cooling tower or boiler.Properly functioning in system Time, the temperature of the cooling water of system maintains in scope of design, usually 15-35 DEG C, when system cooling water temperature is higher than design During the upper limit 35 DEG C, cooling tower is opened, and recirculated water is dispelled the heat by cooling tower;When system cooling water temperature is less than design lower limit 15 DEG C time, boiler comes into operation, and heats recirculated water, thereby guarantees that cooling water temperature maintains in scope of design.
Meanwhile, the user of chummery can be according to the design temperature that needs of oneself thermal comfort, and air-valve is according to setting Temperature changes aperture with the difference of indoor actual temperature, and blower fan changes rotating speed according to the aperture of airduct static pressure or valve, in real time Realize mating of air quantity and required load, in the case of ensureing workload demand, reduce the energy consumption of blower fan as much as possible.
It addition, in order to be better understood from the present invention, make herein below further and supplement:
First, degree type season is being spent, owing to temperature is had different Thermal comforts to be subject to by everyone, in identical outdoor temperature condition Under, only groups of people select to open air-conditioning.For traditional air conditioning system, Zheng Dong building uses the large-scale cold of concentration, Will necessarily run in low efficiency point in such cases.And a kind of based on cooling water bus the varying duty provided by the present invention is adjusted Joint integral system, only automatically turns in the water source heat pump units that air-conditioning opens region corresponding, and other Water source heat pump unit Group is then shut down, and owing to the capacity of this water resource heat pump is less, rate of load condensate is of a relatively high, and water resource heat pump can be according to supply water temperature simultaneously The number of compressor can be controlled, thus ensure that water resource heat pump can run under the operating mode of high energy efficiency point.Basic invention provides Integral system ensure that system is all run in greater efficiency interval the whole year, thus reduces the consumption of the energy,
Secondly, for varying duty regulon system, variable air volume box VAVbox can be according to indoor design temperature and indoor actual temperature Automatically the aperture of valve is changed.For summer, then open big valve when indoor temperature is higher than design temperature, and when indoor temperature is low Minor valve is then closed when set temperature value.For winter, then close minor valve when indoor temperature is higher than design temperature, and when indoor Big valve is then opened when temperature is less than set temperature value.Simultaneity factor adjusts the frequency of blower fan automatically according to the aperture of each valve, from And ensure that blower fan meets the air quantity required for indoor under alap frequency, also can realize energy-conservation to greatest extent.
It is to be understood that, although this specification is been described by according to embodiment, but the most each embodiment only comprises one Individual independent technical scheme, this narrating mode of description is only that for clarity sake those skilled in the art should will say Bright book is as an entirety, and the technical scheme in each embodiment can also be through appropriately combined, and forming those skilled in the art can With other embodiments understood.
The a series of detailed description of those listed above is only for the feasibility embodiment of the present invention specifically Bright, they also are not used to limit the scope of the invention, all equivalent implementations made without departing from skill of the present invention spirit Or change should be included within the scope of the present invention.

Claims (10)

1. a varying duty regulation integral system based on cooling water bus, adjusts including cooling water bus subsystem and varying duty Sub-system, it is characterised in that
Described cooling water bus subsystem includes circulating water pipeline, water circulating pump, has cooling water inside described circulating water pipeline, Described circulating water pipeline includes recirculated water main line pipeline and the recirculated water some in parallel with described recirculated water main line pipeline communication Bypass line, described recirculated water bypass line is provided with water source heat pump units;
What described each water source heat pump units was corresponding is provided with a described varying duty regulon system, described varying duty regulon System includes air-treatment unit and air-supply module, and described air-supply module includes air supply duct, blower fan and variable air volume box VAVbox, The space that described air-supply module is used for delivering the air to connect with described air supply duct terminal is to meet the temperature in described space And/or moisture requirement;
Described water source heat pump units in every described recirculated water bypass line and the sky of corresponding described varying duty regulon system The linkage of gas disposal unit realizes the heat exchange of air and cooling water, and after carrying out heat exchange, described air is via described air-supply Pipeline enters the space connected with described air supply duct terminal, cools down water and do at recirculated water described in some recirculated water bypass line Road pipeline converges.
Varying duty regulation integral system based on cooling water bus the most according to claim 1, it is characterised in that described Integral system for being divided into the building in dissimilar region by different hot-cool demands, with the most real in dissimilar region Existing cooling and/or heat supply.
Varying duty regulation integral system based on cooling water bus the most according to claim 2, it is characterised in that described Water source heat pump unit component layers is arranged, and same level includes some described water source heat pump units, each described water source heat pump units Match with the same type region of building.
4. according to the varying duty regulation integral system based on cooling water bus described in Claims 2 or 3, it is characterised in that Described varying duty regulon system includes an air-treatment unit and several variable air volume box VAVbox.
Varying duty regulation integral system based on cooling water bus the most according to claim 4, it is characterised in that described Variable air volume box VAVbox is according to the aperture of the load adjustment valve in all types of regions.
Varying duty regulation integral system based on cooling water bus the most according to claim 5, it is characterised in that described Blower fan is frequency conversion fan, and the frequency of described blower fan is adjusted according to the valve opening of described variable air volume box VAVbox.
Varying duty regulation integral system based on cooling water bus the most according to claim 1, it is characterised in that described Water source heat pump units is adjusted automatically according to cooling down water return water temperature in the wind pushing temperature of described air supply duct and described circulating water pipeline Joint output.
Varying duty regulation integral system based on cooling water bus the most according to claim 1, it is characterised in that described Cooling water bus subsystem also includes cooling tower, boiler, and what described cooling tower, boiler were in parallel is arranged on described recirculated water main line pipe On road.
Varying duty regulation integral system based on cooling water bus the most according to claim 1, it is characterised in that described Integral system also includes control subsystem, expansion tank, coil pipe, and wherein, described control subsystem is used for controlling described one The operation of body system, described expansion tank is for housing and the breathing amount of water in compensation system, and coil pipe is used for realizing described one Body system thermal or the exchange of cold.
10. varying duty based on cooling water bus regulates an operation method for integral system, and it comprises the following steps:
A, in the type area needing cooling, corresponding water source heat pump units is pressed refrigeration modes and is run, and air is by air Heat is passed to the cooling water in recirculated water bypass line by reason unit;
B, in the type area needing cooling, corresponding water source heat pump units is run by the mode of heating, and air is by air Cold is passed to the cooling water in recirculated water bypass line by reason unit;
C, a converge in the pipeline of recirculated water main line with the cooling water in b two step;
D, detection are through converging the actual temperature cooling down water in the pipeline of Posterior circle water main line, by itself and the design temperature model cooling down water Enclosing and contrast, if the actual temperature of cooling water is higher than design temperature range limit, cooling tower enables, and cooling water is by cooling Tower carries out being cooled in the range of temperature is in design temperature;If the actual temperature of cooling water is less than design temperature range lower limit, Boiler enables, and cooling water carries out being heated in the range of temperature is in design temperature by boiler.
CN201610702842.0A 2016-08-22 2016-08-22 A kind of varying duty regulation integral system based on cooling water bus and operation method Pending CN106152318A (en)

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CN108151235A (en) * 2018-02-10 2018-06-12 河北工业大学 A kind of energy-saving air conditioning system of the adaptive separated regions control of large public building
CN112283791A (en) * 2020-10-29 2021-01-29 青岛海信日立空调系统有限公司 Air conditioner and control method of flow valve
CN112815486A (en) * 2021-01-14 2021-05-18 珠海大横琴科技发展有限公司 Air conditioner management method and device, electronic equipment and storage medium

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