EP2795133B1 - Anordnung mit speicherelement und wärmeversorgungsanlage - Google Patents

Anordnung mit speicherelement und wärmeversorgungsanlage Download PDF

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Publication number
EP2795133B1
EP2795133B1 EP12822971.3A EP12822971A EP2795133B1 EP 2795133 B1 EP2795133 B1 EP 2795133B1 EP 12822971 A EP12822971 A EP 12822971A EP 2795133 B1 EP2795133 B1 EP 2795133B1
Authority
EP
European Patent Office
Prior art keywords
pump
storage element
arrangement
heat
supply system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP12822971.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2795133A2 (de
Inventor
Lubor Chytil
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AZ - Pokorny Trade Sro
Original Assignee
AZ - Pokorny Trade Sro
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by AZ - Pokorny Trade Sro filed Critical AZ - Pokorny Trade Sro
Priority to SI201230526A priority Critical patent/SI2795133T1/sl
Publication of EP2795133A2 publication Critical patent/EP2795133A2/de
Application granted granted Critical
Publication of EP2795133B1 publication Critical patent/EP2795133B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/10—Arrangement or mounting of control or safety devices
    • F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
    • F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
    • F24D19/1015—Arrangement or mounting of control or safety devices for water heating systems for central heating using a valve or valves
    • F24D19/1024—Arrangement or mounting of control or safety devices for water heating systems for central heating using a valve or valves a multiple way valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0005—Control, e.g. regulation, of pumps, pumping installations or systems by using valves
    • F04D15/0016—Control, e.g. regulation, of pumps, pumping installations or systems by using valves mixing-reversing- or deviation valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D11/00—Central heating systems using heat accumulated in storage masses
    • F24D11/002—Central heating systems using heat accumulated in storage masses water heating system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00—Hot-water central heating systems
    • F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
    • F24D3/105—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system pumps combined with multiple way valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2220/00—Components of central heating installations excluding heat sources
    • F24D2220/02—Fluid distribution means
    • F24D2220/0242—Multiple way valves

Definitions

  • the invention relates to an arrangement with a storage element and a heat supply system.
  • heat generators such as boilers
  • either the consumer circuit, the heat storage or both can be put into operation.
  • the proposed system can only be operated so useful that the hot water tank is charged directly from the solid fuel boiler at the appropriate valve position, wherein in such a switching variant of the load circuit and the circulation pump are turned off. The resulting pumpless circulation extends the charging intervals.
  • an oversupply of heat quantities can also be achieved by virtue of the fact that such heat supply system has additional heat sources, such as thermal solar collectors, switched on. In particular, it comes to gross mismatches between supply of heat and their decrease. In addition, the time course between heat generation and heat consumption is not congruent.
  • JP S58 28 933 A It is proposed to connect a heat generator associated memory device with 2 lines with this.
  • a pump In the line, which is connected to the output of the heat generator, a pump is arranged. Consequently, this pump is always in a media area with elevated temperature, which can adversely affect their life.
  • the pump is followed by a valve unit, with the aid of which the connections of the storage device can be connected to the heated medium if required.
  • the storage device can be mutually charged with heated medium.
  • the respective other line is connected via the same valve unit with the return line of the heat generator, so that the heated medium from the storage device is always supplied to the heat generator.
  • JP S58 28933 A It is proposed that the circulating pump connected downstream of a heat source in the supply line by a downstream 4/2-Wegevenil operate so that a certain number of radiators once from the first radiator starting with heated medium and once after switching the 4/2-way valve from the last radiator ago is supplied with heated medium.
  • This arrangement has the goal to be able to exchange the supply and return line of a heat supply system with each other and to ensure in this way a uniform heating of all radiators.
  • An extended proposal makes it possible to automatically carry out the corresponding switching at specified time intervals.
  • Another proposal provides, upon reaching an upper limit temperature in the radiators by a heat sensor to provide a control signal to the control unit, which then interrupts the supply of the radiator.
  • the arrangement described above is used only for switching the supply and return line in a conventional heating circuit in order to achieve a uniform heating of all circulating radiator. For a reversal of the flow direction in a feed line of an additional heat storage, the described arrangement is not suitable.
  • a lower inertia heat sink requires a rapid response by a secondary hot water tank to approximately compensate for supply or lack of heat compared to the heating circuit of a heat supply system. This can not be achieved with the pump arrangements known from the prior art.
  • the invention takes account of such heat supply systems, which are equipped with heat generators, are obtained by the amounts of heat from renewable energies and in which a so-called heat sink assumes the task of providing amounts of heat for the heating circuit.
  • the arrangement according to the invention is also applicable in conventional heat supply systems, provided that a secondary heat storage is additionally arranged in these.
  • the arrangement should be designed in such a way that by means of valves or taps a mutual connection to the supply and discharge line parts is made possible and so the conveying direction of the pump can be changed within short intervals.
  • this has the advantage that only adjusting pulses with little expenditure of energy are necessary for the placement of the valves or taps, while the pump can convey media even after switching in each case in optimized operation.
  • the pump In order to be able to operate the pump in an energy-optimized manner, it is controlled with optimized performance. That is, the pump is always provided the amount of energy that is necessary to comply with the required parameters.
  • a control of the amounts of energy of the circulation pump by controlling the pump drive motor via a pulse width control, which is controlled by analog signals and determined on the basis of the amount of energy for the operation of the circulation pump.
  • Such activation of the circulation pump may be carried out in parallel with or integrated into a control for the heat supply system.
  • a pulse width control by means of a so-called switching regulator or a so-called controllable pulse modulation unit in the form of an electronic module.
  • an electronic component of the SG3524 family is again particularly preferred because it can be regulated via an analog control signal. This provides the prerequisite for directly connecting an analog temperature sensor to the control unit of the circulating pump.
  • control can also be controlled via an analog output of a central control of the heat supply system.
  • a multi-stage pump or a pump cascade can be used, the drive can be carried out as described above.
  • the necessary within the pump assembly switching unit is executed in the preferred case with a 4/2 valve. This connects in a switching position, the suction side of the pump with the heat generator and the pressure side of the Pump with the storage element. In the second switching position, the suction side of the pump is connected to the storage element and the pressure side to the line to the heat generator.
  • the 4/2 valve a so-called ball valve, which has at least the two required switching positions and can be controlled with auxiliary power.
  • the pump assembly may be configured in a split design depending on the design of the heat supply system in a split design with intermediate line sections or as a pump assembly in a compact design or as a pump assembly.
  • a heat supply system of the type known per se consists of a heat generator 1, a heat consumer 2 and the lines connecting them 3 for the warm area (flow) and 4 for the cold area (return).
  • a heating circulation pump 5 can be integrated in the heat supply system.
  • line sections 6 and 7 are guided to a storage element 8 .
  • a pump assembly 9 is also arranged, which loads the storage element 8 depending on the need or discharges.
  • the storage element 8 may be connected to the line 3 , so that heated medium from the storage element 8 can be fed directly into the supply circuit.
  • the pump assembly according to the invention in the line sections 6 and 7 consists of a pump 11, a 4/2-way valve 12, a backflow preventer 13 and the connecting lines 14,15 and 16.
  • Fig. 2 is the 4/2-way valve 12 in a first switching position, which can also be referred to as 0 ° position.
  • the switching element 17 then directs the medium from the line section 7 via the line 14 to the pump 11, further via the line 15, the backflow preventer 13 and the line 16 in the line 6. In this way, a heat consumer 2 by discharging a in Fig. 2 Memory element, not shown, are supplied with heated medium.
  • the 4/2-valve 12 is connected so that loading a in Fig. 3 not shown storage element is possible.
  • a heat generator 1 is heated via line 6, the 4/2-valve 12, the pump 11, the line 15, the backflow preventer 13 and the line 16 heated medium in the conduit 7 .
  • the discharged from the storage element medium is pumped via line 10 in the direction of a heat consumer 2 .
  • the backflow preventer 13 is arranged on the pressure side of the pump 11 and connected thereto via the line 15 . In this way, backflows are prevented in the line circuit, it does not matter whether the return flow would occur like a pulse or due to a back pressure created permanently.
  • the pump 11 is preferably a power-controlled pump. Particularly preferred here is a pump control, which works with a pulse width control and the pump 11 can always provide the amount of energy that are required for the fulfillment of the task just.
  • the control of the pump 11 can be realized via a separate control module or by a central control of the heat supply system. It is also possible to influence the flow of energy to the pump 11 by controlling interventions.
  • the pump 11 is supplied with an analog signal, so that a control module or a central controller can generate a pulse-modulated oscillation therefrom.
  • the pulse modulated oscillation is generated by an integrated switching regulator or a controlled pulse width modulator, wherein the modulator preferably recourse to circuits of group SG3524 or their derived model.
  • the control of the module is preferably carried out with analog signals in a voltage range between 0 and 10 V.
  • the switching regulator or modulator preferably operates at a frequency of 4 kHz.
  • the 4/2-way valve 12 is replaced by other equivalent valve arrangements at the expense of certain disadvantages. For example, by an arrangement with two 3/2 valves, by an arrangement with four 2/2 valves or with an arrangement of several ball valves. It is ultimately important that a swap of the suction and the pressure side of the pump 11 with respect to the line sections 6 and 7 is effected.
  • a 4/2 valve 12 in the embodiment is a ball valve because of the simple structure thereof and the reliable operation.
  • the 4/2-valve 12 and the other circuits are each adjustable via control commands and power supply and require no manual operation.
  • the non-return valve 13 can be designed in various ways. So it may for example be a device that works with a float or a device that is provided with a pivoting non-return valve. Another embodiment is that the closure body is spring loaded and the backflow preventer 13 is accordingly designed as a check valve.
  • the inventively designed pump assembly is able to allow both in cooperation with a boiler as well as in cooperation with a heat sink effective control of the heating circuit.
  • the known fluctuations in the energy supply of solar collectors integrated in heat supply systems can be compensated for by means of the pump assembly according to the invention and their control by the pump is switched in a conveying direction depending on the heat supply or heat removal, that it takes the heated circuit excess heated medium or the heating circuit the buffer storage excess heated medium supplies.
  • the simultaneous pulse width modulated power supply of the pump ensures that it always works with the optimized volume flow and avoids an overshoot of the temperatures in the heating circuit.
  • thermosensor which supplies an analogue measurement signal, at a location of the heating circuit which has been found to be optimal in order to realize in this way an operation of the heating circuit under optimum conditions.
  • the pump arrangement described above thus has the advantage that it allows a simple operation of the pump in two flow directions and thereby the cost of components and the fluid mechanical design can be optimized. Furthermore, the energy input is minimized by the solution according to the invention such that the flow losses are kept low, valve controls are powered only when necessary and the pump contained in the arrangement receives only the amounts of energy that are just necessary for the performance of the task.

Landscapes

  • 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)
  • Central Heating Systems (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
EP12822971.3A 2011-12-22 2012-12-21 Anordnung mit speicherelement und wärmeversorgungsanlage Active EP2795133B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI201230526A SI2795133T1 (sl) 2011-12-22 2012-12-21 Sestav z zalogovnikom in sistemom za dovod toplote

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011056866A DE102011056866A1 (de) 2011-12-22 2011-12-22 Pumpenanordnung zum Betreiben eines Speicherelements in einer Wärmeversorgungsanlage
PCT/EP2012/005337 WO2013091891A2 (de) 2011-12-22 2012-12-21 Pumpenanordnung zum betreiben eines speicherelements in einer wärmeversorgungsanlage

Publications (2)

Publication Number Publication Date
EP2795133A2 EP2795133A2 (de) 2014-10-29
EP2795133B1 true EP2795133B1 (de) 2016-04-06

Family

ID=47678664

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12822971.3A Active EP2795133B1 (de) 2011-12-22 2012-12-21 Anordnung mit speicherelement und wärmeversorgungsanlage

Country Status (9)

Country Link
EP (1) EP2795133B1 (es)
DE (1) DE102011056866A1 (es)
DK (1) DK2795133T3 (es)
EA (1) EA027321B1 (es)
ES (1) ES2579152T3 (es)
HU (1) HUE027816T2 (es)
PL (1) PL2795133T3 (es)
SI (1) SI2795133T1 (es)
WO (1) WO2013091891A2 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2748956C1 (ru) * 2020-01-20 2021-06-02 Вадим Сергеевич Рыжов Способ управления тепловой мощностью в системе отопления с твёрдотопливным котлом

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH342354A (de) * 1955-01-27 1959-11-15 Hilding Brosenius Karl Zentralheizanlage
JPS5828933A (ja) * 1981-08-13 1983-02-21 Matsushita Electric Ind Co Ltd 輻射暖房装置
DE9205301U1 (de) * 1992-04-16 1992-07-16 Kaufhold, Franz, 3500 Kassel Heizkreisanlage mit einem Feststoffbrennkessel...
DE4409883C2 (de) 1994-03-18 1997-08-14 Flies Fernando Dipl Ing Verfahren zum bedarfsgerechten Betreiben eines Heizungssystems
DE19706067A1 (de) * 1997-02-17 1998-08-20 Paul Schmidhuber Verfahren zur Steuerung einer Heizungsanlage mit einer Verbrennung fester Biomasse und Vorrichtung zur Durchführung des Verfahrens
DE102006042905B3 (de) 2006-09-13 2008-02-07 Franz Josef Eller Speicheranordnung und Umladeverfahren für Wärmeenergie
JP2010144938A (ja) * 2008-12-16 2010-07-01 Mitsubishi Electric Corp ヒートポンプ給湯装置およびその運転方法

Also Published As

Publication number Publication date
WO2013091891A4 (de) 2014-01-03
HUE027816T2 (en) 2016-11-28
SI2795133T1 (sl) 2016-05-31
WO2013091891A3 (de) 2013-10-10
ES2579152T3 (es) 2016-08-05
DK2795133T3 (en) 2016-07-18
DE102011056866A1 (de) 2013-07-25
WO2013091891A2 (de) 2013-06-27
EA201400732A1 (ru) 2014-12-30
PL2795133T3 (pl) 2016-09-30
EA027321B1 (ru) 2017-07-31
EP2795133A2 (de) 2014-10-29

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