CN103282722B - The method of regulation single tube heat supply system - Google Patents

The method of regulation single tube heat supply system Download PDF

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Publication number
CN103282722B
CN103282722B CN201180039331.0A CN201180039331A CN103282722B CN 103282722 B CN103282722 B CN 103282722B CN 201180039331 A CN201180039331 A CN 201180039331A CN 103282722 B CN103282722 B CN 103282722B
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Prior art keywords
heat
temperature
exchange device
supply
return line
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CN103282722A (en
Inventor
M.哈特曼
M.耶德泽耶夫斯基
M.奥索尼克
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Danfoss AS
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Danfoss AS
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00Details
    • F24D19/10Arrangement or mounting of control or safety devices
    • F24D19/1006Arrangement or mounting of control or safety devices for water heating systems
    • F24D19/1009Arrangement or mounting of control or safety devices for water heating systems for central heating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00Details
    • F24D19/0002Means for connecting central heating radiators to circulation pipes
    • F24D19/0004In a one pipe system
    • F24D19/0007Comprising regulation means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00Details
    • F24D19/10Arrangement or mounting of control or safety devices
    • F24D19/1006Arrangement or mounting of control or safety devices for water heating systems
    • F24D19/1009Arrangement or mounting of control or safety devices for water heating systems for central heating
    • F24D19/1015Arrangement or mounting of control or safety devices for water heating systems for central heating using a valve or valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2220/00Components of central heating installations excluding heat sources
    • F24D2220/02Fluid distribution means
    • F24D2220/0271Valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2220/00Components of central heating installations excluding heat sources
    • F24D2220/04Sensors
    • F24D2220/042Temperature sensors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2220/00Components of central heating installations excluding heat sources
    • F24D2220/04Sensors
    • F24D2220/044Flow sensors

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)

Abstract

The method of the heat-exchange fluid medium flow rate of the standpipe controlled in single-main distribution, this single-main distribution is that the typical tube in such as cooperative building is arranged, for the radiator supply heat to apartment.Described method is in response to the change of external parameter (temperature) and regulates the temperature of supplied heat-exchange fluid medium and in response to the temperature of the heat-exchange fluid medium in return line to regulate flow rate.

Description

The method of regulation single tube heat supply system
Technical field
The method of the heat-exchange fluid medium flow rate of the standpipe controlled in single-main distribution, this single-main distribution is such as to cooperate Typical tube in building is arranged, for the radiator supply heat to apartment.Described method is in response to external parameter (temperature Degree) change regulate supplied heat-exchange fluid medium temperature and in response in return line heat-exchange fluid be situated between The temperature of matter regulates flow rate.
Background technology
The exemplary configurations of the pipe supplying radiator in such as cooperation house or cooperative building is two guard systems or single tube System.Hereinafter, mention that house that " house " be generally intended to refer to include multiple apartment or this layout are typical appointing What is elsewhere.
In traditional two guard systems, one group of parallel pipe forms the supply pipe of the set of the heat-exchange device to such as radiator (or more generally, " pipeline ") and recurrent canal (or " pipeline ").The pipe relevant to each this heat-exchange device set is claimed For standpipe, and in two guard systems, the flow rate at each standpipe is regulated in conventional systems individually, therefore obtains and works as Dynamic flow rate in each standpipe of front load matched.
But, in single-main distribution, supply line system will have certain of certain flow rate and supply temperature (typically water) Plant heat-exchange fluid medium (typically water) and be supplied to heat-exchange device set.The individual radiator company of series connection one by one Connect so that the return line of a radiator is the supply pipeline of next radiator.Heat-exchange fluid to each radiator is situated between The flow rate of matter is generally by thermostat control, and described thermostat is set by the user of radiator, but in conventional systems, supplies Should be constant with the bulk flow in return line, it means that the change to load is not reacted.
Such as when in hot day or radiator thermostat being closed when the internal gain in room simply, this radiator is permanent Temperature device is normally closed so that most of heat-exchange fluid medium flows through by-pass line, and this layout causes return line (many Bar) in the less desirable high temperature of heat-exchange fluid medium.The high temperature returning heat-exchange fluid medium is not intended to, this be because of The uncontrolled heating causing living space for this and the unnecessary loss of the heat of heat-exchange fluid medium in pipeline, because of Although being closed still pipeline for radiator heat is transmitted in continuation.In the case of pipeline insulation is less good especially true. This can cause resident more uncomfortable.
In two guard systems, the valve actuator of regulation flow is arranged with being centered.This is impossible in single-main distribution, This is because this has causing in the parts/standpipe of low-load at the undercurrent still having in the parts of high capacity of this system Cross stream.
The present invention relates to introduce a kind of scheme, single tube that is that the program provides a kind of at a relatively high efficiency and that depend on load System.
Summary of the invention
The present invention solves the problem of single-main distribution by introducing two parts to control, and a part is regulation or controls to be supplied The temperature of heat-exchange fluid medium, supply temperature, and another part is about the heat-exchange fluid medium in return line Temperature control the flow by heat-exchange device set.Flow and return the control of temperature in each standpipe " in away from Heart (de-centrally) " complete.
Supply temperature controls based on external condition, and what described external condition included affecting this system can not be by system from figure The situation rung, described external condition preferably includes such as by introducing the weather of climate compensator (more specifically, outside is warm Degree, the outdoor temperature of such as house), and described external condition may also include the expection needs that can affect house to be supplied to Other factors of heat.Main but not exclusive embodiment particularly relates to external temperature, outside therefore this system includes alternatively Portion's temperature sensor.In even more advanced embodiment, this system is such as coupled to climatic prediction system by the Internet System.
Therefore, present invention introduces a kind of method regulating system, described system includes:
-heat-exchange device the set that is connected in series so that the return line of a radiator is the supply of next radiator Pipeline;
-main supply line, described main supply line is connected to what the streamwise among described heat-exchange device was seen The described supply pipeline of the first heat-exchange device;
-main return line, described main return line is connected to what the streamwise among described heat-exchange device was seen The described return line of last heat-exchange device;
Wherein, the heat-exchange fluid medium with supply temperature is fed into described with a flow rate from described main supply line Heat-exchange device set, wherein, described supply temperature is according to the supply set point temperatures of the parameter depending on described its exterior It is conditioned, and described flow rate is according to the heat exchange in the first heat-exchange device downstream depended in described heat-exchange device set The return set point temperatures of the temperature of fluid media (medium) is conditioned.
In order to ensure the Optimal Setting point of this system, the most described supply temperature is according to depending on The supply set point temperatures of the parameter of its exterior is conditioned, and/or described flow rate is according to depending on described heat-exchange device collection The return set point temperatures of the temperature of the heat-exchange fluid medium in the first heat-exchange device downstream in conjunction is conditioned.Described return Temperature set-point is preferably in response to the regulation of described supply temperature set point and is conditioned.
The mechanism regulated about the temperature traffic of the heat exchange medium in return line is included in order to ensure this system, The system that described method uses in yet also includes:
-flow controller, described flow controller is connected to return line and is suitable to control by described recurrent canal The flow rate of line;
-actuation means, described actuation means operates described flow controller;And
-temperature sensor, described temperature sensor is positioned to be in the described heat-exchange fluid in described return line Heat exchange connects.
In order to ensure constant flow rate, (such as, described load is by making with the frequently change of the load of each heat-exchange device User regulates) unrelated, this flow controller is further adapted for keeping constant flow rate, and changes unrelated with the pressure in main supply line.
In order to by external condition would rather be met in advance to avoid being supplied in this system unnecessary many energy, In one embodiment, this system can include external temperature sensor, and this external temperature sensor is positioned to measure its exterior Temperature.
Specifically but not exclusively, depending on the regulation at the set point of different parameters in order to ensure returning temperature, In one embodiment, this system can include electronic controller, and this electronic controller is connected to actuation means, and temperature passes Sensor is connected to return line.Electronic controller is alternatively coupled to be connected to the temperature sensor of main supply line, and It is also connected to external temperature sensor alternatively.
In one embodiment, actuation means is that pulse activates, and such as actuation means is electromagnetic actuators, pneumatically actuated Device, hydraulic actuator or electrostrictive actuator.
In order to ensure the Optimal Setting point of this system, the most described supply temperature is according to depending on The supply set point temperatures of the parameter of its exterior is conditioned, and described flow rate is according to depending on described heat-exchange device set In the return set point temperatures of temperature of heat-exchange fluid medium in the first heat-exchange device downstream be conditioned.Described return temperature Degree set point is preferably in response to the regulation of described supply temperature set point and is conditioned.
In the alternate embodiments of this electronic controller, actuation means is directly connected to temperature sensor, is automatic And include regulation return temperature set-point mechanism.The natural selection of actuation means is thermostat.
Accompanying drawing explanation
The schematic diagram that Fig. 1 is the standard single tube that is suitable for of the present invention or single lead is arranged.
Fig. 2 is the schematic diagram of a large amount of parallel riser, and each standpipe is relevant to the set of heat-exchange device, and each standpipe Controlled according to an embodiment of the invention.
Fig. 3 is the schematic diagram of the flow controller for an embodiment of the invention, and described flow controller is suitable to Keep constant flow rate, and unrelated with pressure change.
Fig. 4 is the set-point dependent schematic diagram to external condition.
Fig. 5 A and Fig. 5 B is how the present invention is by the schematic diagram of the actual loading in flow rate preferably matching system.
Fig. 6 is the schematic diagram of the system introducing electronic controller according to the embodiment of the present invention.
Detailed description of the invention
Fig. 1 shows the exemplary configurations of single-main distribution, and wherein supply line 3 system is by certain heat-exchange fluid medium (allusion quotation Type ground, water) be fed to heat-exchange device 6(such as with certain supply temperature and flow rate, radiator) set, and be suitable to heating Substantial amounts of living space.Hereinafter, in the case of without loss of generality, this heat-exchange device 6 is commonly called radiator. Individual radiator 6 is connected in series one by one so that the return line 4 of a radiator 6 is the confession of next radiator 6 To pipeline 3.Supply line 3 and the return line 4 of each radiator 6 are additionally connected by by-pass line 5.Main supply line 1 quilt It is connected to the supply pipeline 3 of the first radiator that the streamwise among radiator 6 set is seen, and main return line 2 quilt It is connected to the return line 4 of the last radiator that the streamwise among radiator 6 set is seen.
This cloth is setting in some local (typically, in the house including multiple rooms and apartment), the most a large amount of Parallel riser is each connected to a large amount of room/apartment.In this article, these room/apartments is considered as each a heat Switch, then, the room/apartment relevant to standpipe includes " set " of heat-exchange device or radiator 6.
Individual radiator 6 in each room/apartment can be connected according to similar or very different layout.
In the house including multiple standpipe, therefore this system includes series connection and is connected to public main supply line 1 He Correspondence multiple radiator set of main return line 2, is regulated individually by the flow of each set.
Heat exchange medium can be supplied effectively directly into radiator 6(and hereinafter referred to as directly supply layout), or be System can introduce the substation including heat exchanger, and supply line is separated (hereinafter referred to as substation by this substation from such as house Arrange), therefore form heat-exchange fluid and be recycled to the closed loop of individual radiator 6.Heat exchange flow is controlled by flow control device 7 The flow rate of body medium extremely each radiator 6, hereinafter in the case of without loss of generality, described flow control device is referred to as Radiator thermostat.The regulation of flow rate to radiator 6 has an effect on the flow in by-pass line 5, by changing to radiator 6 Flow, is also changed accordingly by the flow of by-pass line 5.
Such as in hot day, or when the internal gain being just easy to act as room causes radiator thermostat 7 to be closed, described radiator is permanent Temperature device 7 is typically switched off to allow major part heat-exchange fluid medium to flow through by-pass line 5, and this layout can cause at recurrent canal The less desirable high temperature of the heat-exchange fluid medium in line 4.The high temperature returning heat-exchange fluid medium is not intended to, this be because of The uncontrolled heating causing living space for this and the unnecessary loss of the heat of heat-exchange fluid medium in pipeline, because of Although being closed still pipeline for radiator heat is transmitted in continuation.Pipeline insulation the most well in the case of the most such as This.This can cause resident more uncomfortable.
The present invention controls to solve this problem by introducing two parts, and a part is regulation or controls the heat exchange supplied The temperature of fluid media (medium), supply temperature, and another part are the temperature relative to the heat-exchange fluid medium in return line 3 Control the flow gathered by heat-exchange device 6.
Supply temperature controls based on external condition, and what described external condition included affecting this system can not be by system from figure The situation rung, described external condition preferably includes such as by introducing the weather of climate compensator (more specifically, outside is warm Degree, the outdoor temperature of such as house), and described external condition may also include the expection needs that can affect house to be supplied to Other factors of heat.Main but not exclusive embodiment particularly relates to external temperature, outside therefore this system includes alternatively Portion's temperature sensor 8.In even more advanced embodiment, this system is such as coupled to climatic prediction system by the Internet System.
The flow regulating standpipe by this way based on the actual demand in standpipe or loads 2, this is because change demand The temperature of heat-exchange fluid medium in return line 4 can be changed.
Fig. 2 shows arrangement according to the invention, and wherein flow controller 9 is connected to gather relevant returning to radiator 6 Return line 4, for controlling the flow of the heat-exchange fluid in the pipeline supplying these radiators 6.
Preferred at one but in non-limiting embodiment flow controller 9 has two operations, because it has stream Control valve and the balanced valve independent of pressure.Flow control valve 9 in this embodiment includes the machine setting expectation flow rate Although structure and flow system existing pressure change but guaranteeing the mechanism of constant flow rate.This valve is can to obtain on market , the example of described valve be provided by Danfoss A/S and such as AB-disclosed in patent DE 103 23 981 QM product line.
Fig. 3 shows this valve 9 or flow controller, and it includes two parts, i.e. differential pressure controller and control valve.Differential pressure Controller is maintained at the constant differential pressure in control valve 9.Control valve 9 includes valve rod 31, stuffing box 32, plastic hoop 33, controls valve cone 34, film 35, main spring 36, hollow-cone (pressure controller) 37 and sulfuration valve seat (pressure controller) 38.Pressure reduction on film 35 △ Pcv (P2-P3) and the dynamic balance of spring 36.As long as in control valve 9 differential pressure change (by obtainable pressure change or The motion of person's control valve causes), hollow-cone 37 is just displaced to the new position realizing newly balancing, and therefore differential pressure is maintained at constant Level.Control valve 9 has linear character.This control valve feature is travel limit function, and this allows regulation Kv value.Hindered by lifting Retaining device and the top of valve 9 is turned to desired locations to change travel limit.Blocking mechanism is automatically prevented from arranging not The change wanted.
Introduce this flow controller 9 to have and another advantage is that, such as the flow in standpipe by regulation independently of one another/ Control, although these standpipes are connected to public main supply line 1 and return line 2.
Forward Fig. 2 to, the figure shows the return of the last radiator that the streamwise being attached among radiator 6 is seen The flow controller of pipeline 4, actuation means 10 is connected to flow controller 9 alternately through use adapter.Also see that temperature Degree sensor 11, this temperature sensor is suitable to be positioned to be in heat exchange with return line 4 and is connected.
Actuation means 10 can be actuator, and can automatically or control, and in any manner known in the art Operation, the such as mode such as electromagnetism, pneumatic, hydraulic pressure and electrical activation.
Therefore, Fig. 2 shows control systems based on two parts, and a part relates to depending on external condition (such as, outward Portion's temperature) regulate supply temperature, Part II be to rely on return temperature (the heat-exchange fluid medium in return line 4 Temperature) regulate the flow relevant to the set of each heat exchanger 6.Therefore, this system becomes variable flow system, for each vertical The load on each independent standpipe is depended in the independent flow-control of pipe.
Fig. 4 shows two curves describing the regulation according to the present invention.It is external that top curve 12 describes supply temperature The regulation dependency of portion's temperature.Or how the set point that illustrate at least supply temperature changes along with the change of external temperature Become.Definite curve and dependency depend on many factors (adiabatci condition of such as house), and are generally directed to real system Situation is optimised.
The most for several reasons (problem such as, excessive heat caused) and according to the set point of supply temperature Change changes the temperature set-point returning temperature.
In an identical manner, therefore lower curve 13 describes the dependency of the regulation returning temperature set-point, this curve It is the temperature controlled renewal of basic return, wherein returns temperature set-point and follow supply temperature control based on external temperature on one's own initiative The result of system.Therefore this is the control of the set point returning temperature.Purpose is, the load in each standpipe is adjusted by flow pin The control performance of joint runs through heating and all keeps good season.
Therefore lower curve 13 is based on the load in two factors, i.e. supply temperature and standpipe, because the load in standpipe It is uncertain and from 100% change to 0%.
Therefore, the system of the present invention introduces " surpassing " control (super control) and " secondary " and controls (sub control), Described " surpassing " control is the control relative to external condition of the supply temperature set point, described " secondary " control by according to in standpipe The relevant return temperature of load change flow and correct this system, and wherein, in embodiments of the present invention, return temperature Set point change on one's own initiative according to the change of the set point of supply temperature.
Fig. 5 A shows flow and the pictorial diagram of load relationship in tradition single-main distribution, does not have according to the present invention Any regulation, wherein dotted line 14 describes the actual flow rate unpredictably fluctuated, this is because these systems due to heat radiation Device thermostat 7 acts on but dynamic.Wave-like line 16 is clear that actual loading incoherent with actual flow rate.
Straight line 15 is caused according to the flow controller 9 independent of pressure of the present invention by introducing.
Fig. 5 B shows the situation according to the present invention, and wherein flow depends on return temperature and controlled, the most according to demand Or load controls flow.This obtains the flow rate 17 more mated with actual demand, and therefore obtains more efficient system.
System shown in Fig. 2 shows the simple-arranged of the present invention, and wherein the flow rate of operation flow controller 9 is arranged Actuation means 10 is any kind of thermostat known in the art, and therefore this system is automatic.Temperature controller 11 is by directly Receive actuation means 10 in succession.
This layout tool has the advantage that, it is not necessary to can coverlet for any additional-energy source of operation and each standpipe Solely regulate.Standard thermostat well known in the art being used as actuation means 10 and gives following advantage further, this device leads to Often including the mechanism arranging temperature set-point, therefore, the set point returning temperature can be according to dependency the most as shown in Figure 4 Regulate.
Fig. 6 shows such embodiment, the heat friendship during wherein all sensors 8,9 and 19(measures main supply line 1 Change the temperature sensor of the temperature of medium) and flow controller 9 or alternatively actuation means 10 be connected to electronic controller 18, described electronic controller is adapted for recording temperature and regulates flow individually.Introduce this electronic controller 18 to give Many advantages relative to automatic actuation means.
Electronic controller 18 includes the required mechanism for electronic controller 18, because these mechanisms are electronic controller necks Known to territory.
The set point returning temperature can be automatically adjusted according to actual state by electronic controller 18, and is automatically implementing In mode, the set point returning temperature is generally manually set.This gives energy-conservation huge probability, this is because this system meeting The set point returning temperature is optimized according to Optimal Curve 13 as shown in Figure 4.
In this electronic form principle, supply temperature is controlled (" surpassing " controls) by external temperature measurement.Based on these " surpass " control action, return temperature set-point and be controlled to properly arrange so that optimize the performance of this system the possible whole year, therefore This performance is not dependent on system load (external temperature)." secondary " of the flow in standpipe controls the individual collections with radiator 6/vertical Pipe load is relevant, and therefore that flow is relevant to heat demand, and thus by this single-main distribution from conventional constant flow system It is changed into the variable flow system of at a relatively high efficiency.
Another advantage is, electronic controller 18 allows monitoring and records temperature and for controlling and the stream of system monitoring Amount, in order to optimize systematic parameter over time and on one's own initiative.
In order to protect the pump of this system, in the case of whole standpipes are all closed, electronic controller 18 is an embodiment party Formula can be automatically turned on the valve/flow controller 9 being positioned at least one standpipe, to guarantee minimum discharge.
Shown system includes the external temperature sensor 8 for measuring outdoor temperature.Supply temperature in main supply line 1 Regulation can be implemented by any way, because this regulation will be apparent from according to actual arrangement.Arrange at shown substation In system, this can be realized by the primary fluid stream of the master of the heat exchanger 20 of regulation to substation.
Electronic controller 18 is connected to individually actuating device 10, and is suitable to cause actuating.In one embodiment, The state of actuation means 10 is by the further record of electronic controller 18.Electronic controller 18 is also connected to measure main supply line The supply temperature of 1 and the temperature sensor 9,19 of the return temperature of individual standpipe.Alternatively, this electronic controller can also connect Receive external condition/temperature sensor 8.
In one embodiment, the actuation means 10 being attached to flow controller 9 is that pulse activates.As control device Pulsewidth modulation be used in the pulse of certain frequency and modulate to accurately control flow.Actuation means 10 is suitable to close lentamente Closing or open flow controller 9, thus close or open the flow in standpipe, pulse makes actuation means 10 open a bit for flow Or close a bit.Then the open mode of the frequency limited flow rate controller 9 of pulse.The frequency of pulse is the biggest, then flow control Device 9 processed is opened the most, or alternatively flow controller 9 is closed the most.Pulse makes actuation means 10 close flow control The situation of device 9 processed is preferred, this is because in the case of system jam, will there is flow, but the present invention is not It is confined to this.

Claims (15)

1., for the method regulating system, described system includes:
-the set of heat-exchange device (6) that is connected in series so that the return line (4) of a heat-exchange device (6) is next The supply pipeline (3) of heat-exchange device (6);
-main supply line (1), the streamwise that described main supply line is connected among described heat-exchange device (6) is seen The described supply pipeline (3) of the first heat-exchange device;
-main return line (2), the streamwise that described main return line is connected among described heat-exchange device (6) is seen The described return line (4) of last heat-exchange device;
Wherein, the heat-exchange fluid medium with supply temperature is fed into described with a flow rate from described main supply line (1) The set of heat-exchange device (6),
It is characterized in that, described supply temperature is adjusted according to the supply temperature set point of the parameter depending on described its exterior Joint, and described flow rate is according to the heat-exchange fluid medium in the first heat-exchange device (6) downstream depended in described set The return temperature set-point of temperature is conditioned, and wherein, described return temperature set-point is according to the change of described supply temperature set point Change and change.
Method the most according to claim 1, wherein, described flow rate is according to being located along the friendship of after heat that described flow direction is seen The set point temperatures of the return temperature of the heat-exchange fluid medium after changing device (6) is conditioned.
Method the most according to claim 1 and 2, wherein, each heat-exchange device in the set of described heat-exchange device Described supply pipeline (3) and return line (4) additionally connected by by-pass line.
Method the most according to claim 1 and 2, wherein, described system also includes:
-flow controller (9), described flow controller (9) is connected to return line (4) and is suitable to control by described The flow rate of return line (4);
-actuation means (10), described actuation means operates described flow controller (9);And
-temperature sensor (11), described temperature sensor is positioned to and the described heat-exchange fluid in described return line (4) It is in heat exchange to connect.
Method the most according to claim 4, wherein, each flow controller (9) be further adapted for keep constant flow rate, and with institute State the pressure change in main supply line (1) unrelated.
Method the most according to claim 4, wherein, external temperature sensor (8) is positioned to measure described its exterior Temperature.
Method the most according to claim 6, wherein, electronic controller (18) is connected to each actuation means (10), and And described temperature sensor (11) is connected to the described return line (4) of described system.
Method the most according to claim 7, wherein, described electronic controller is connected to be connected to described main supply line (1) temperature sensor (19) on.
Method the most according to claim 7, wherein, each actuation means is that pulse activates.
Method the most according to claim 9, wherein, at least one actuation means (10) is electromagnetic actuators, pneumatically actuated One of device, hydraulic actuator or electrostrictive actuator.
11. methods according to claim 7, wherein, described electronic controller (18) is suitable to monitoring and measures parameter and fit The supply temperature set point independent of described external temperature is optimized and relative to described supply temperature in using these data The return temperature set-point of set point.
12. methods according to claim 4, wherein, each actuation means (10) is directly connected to temperature sensor (11), it is automatically and includes that regulation returns the mechanism of temperature set-point.
13. methods according to claim 12, wherein, described actuation means (10) is thermostat.
14. methods according to claim 4, wherein, each heat-exchange device in the set of described heat-exchange device (6) (6) described supply pipeline and return line (4) are additionally connected by by-pass line (5).
15. methods according to claim 1 and 2, wherein, described system include being connected to same main supply line (1) and At least two set of the heat-exchange device (6) of main return line (2), wherein, the described heat exchange of each of described set Device (6) is connected in series and is individually adjusted by the flow of each of described set.
CN201180039331.0A 2010-06-10 2011-06-08 The method of regulation single tube heat supply system Active CN103282722B (en)

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DKPA201000503 2010-06-10
DKPA201000503 2010-06-10
PCT/DK2011/000056 WO2011154002A2 (en) 2010-06-10 2011-06-08 Method to regulate a one-pipe heat supply system

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CN103282722B true CN103282722B (en) 2016-10-26

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