WO2010094282A2 - Installation de chauffage et de refroidissement et procédé pour faire fonctionner une installation de chauffage et de refroidissement - Google Patents

Installation de chauffage et de refroidissement et procédé pour faire fonctionner une installation de chauffage et de refroidissement Download PDF

Info

Publication number
WO2010094282A2
WO2010094282A2 PCT/DE2010/075017 DE2010075017W WO2010094282A2 WO 2010094282 A2 WO2010094282 A2 WO 2010094282A2 DE 2010075017 W DE2010075017 W DE 2010075017W WO 2010094282 A2 WO2010094282 A2 WO 2010094282A2
Authority
WO
WIPO (PCT)
Prior art keywords
heating
return
cooling
case
temperature
Prior art date
Application number
PCT/DE2010/075017
Other languages
German (de)
English (en)
Other versions
WO2010094282A3 (fr
Inventor
Hans-Georg Baunach
Original Assignee
Hans-Georg Baunach
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 Hans-Georg Baunach filed Critical Hans-Georg Baunach
Priority to ATA9040/2010A priority Critical patent/AT517246B1/de
Priority to DE112010000424T priority patent/DE112010000424A5/de
Publication of WO2010094282A2 publication Critical patent/WO2010094282A2/fr
Publication of WO2010094282A3 publication Critical patent/WO2010094282A3/fr

Links

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
    • 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
    • F24D3/1058—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system disposition of pipes and pipe connections
    • F24D3/1066—Distributors for heating liquids
    • 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
    • F24D19/1066—Arrangement or mounting of control or safety devices for water heating systems for the combination of central heating and domestic hot water
    • 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
    • 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
    • F24D11/003—Central heating systems using heat accumulated in storage masses water heating system combined with solar energy
    • 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
    • F24D11/004—Central heating systems using heat accumulated in storage masses water heating system with conventional supplementary heat source
    • 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
    • F24D11/02—Central heating systems using heat accumulated in storage masses using heat pumps
    • 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
    • F24D11/02—Central heating systems using heat accumulated in storage masses using heat pumps
    • F24D11/0214—Central heating systems using heat accumulated in storage masses using heat pumps water heating system
    • F24D11/0221—Central heating systems using heat accumulated in storage masses using heat pumps water heating system combined with solar energy
    • 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
    • F24D11/02—Central heating systems using heat accumulated in storage masses using heat pumps
    • F24D11/0214—Central heating systems using heat accumulated in storage masses using heat pumps water heating system
    • F24D11/0228—Central heating systems using heat accumulated in storage masses using heat pumps water heating system combined with conventional heater
    • 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
    • F24D12/00—Other central heating systems
    • F24D12/02—Other central heating systems having more than one heat source
    • 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
    • F24D3/08—Hot-water central heating systems in combination with systems for domestic hot-water supply
    • F24D3/082—Hot water storage tanks specially adapted therefor
    • 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
    • F24D3/08—Hot-water central heating systems in combination with systems for domestic hot-water supply
    • F24D3/087—Tap water heat exchangers specially adapted therefore
    • 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
    • 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
    • F24D3/1091—Mixing cylinders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/02—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating liquids, e.g. brine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/20—Control of fluid heaters characterised by control inputs
    • F24H15/212—Temperature of the water
    • F24H15/219—Temperature of the water after heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/305—Control of valves
    • F24H15/32—Control of valves of switching valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/335—Control of pumps, e.g. on-off control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/355—Control of heat-generating means in heaters
    • F24H15/36—Control of heat-generating means in heaters of burners

Definitions

  • the invention relates to a heating or cooling system and a method for operating a heating or cooling system.
  • Heating systems which have a heat generator unit consisting of at least one heat generator and a consumer unit consisting of at least one mixer circuit, wherein the heat generator unit and consumer unit are completely hydraulically decoupled from each other via a hydraulic switch. It is further known to provide a supply and a return having distributor unit with at least two chambers, wherein the at least one mixer circuit via a respective mixing device controllable from the flow and the return of the distribution unit can be fed.
  • heating systems also apply to cooling systems in an equivalent way.
  • the invention concerned therefore relates both to heating systems and cooling systems.
  • heat generators replace refrigerators and heat sinks become cold sinks.
  • heating energy is applied to generate heat, it is needed in the case of the cooling system for cooling.
  • the figures "warmer” and “colder” are exchanged in the comparison between the heating system and the cooling system.
  • the information "top” and "bottom” is exchanged in the comparison between the heating system and the cooling system.
  • the hydraulic switch can significantly increase the return temperature to the heat generators and thus permanently impair the efficiency of the overall system.
  • the installation of a hydraulic switch is e.g. common in such modern heating systems, have the wall heaters with built-circulation pumps. Such wall heaters are often interconnected to increase performance in cascades of several individual devices.
  • the hydraulic switch is usually connected between the heat generator cascade and the consumer unit.
  • This invention is therefore based on the object to provide a device which decouples the flow rates, without raising the return temperature to the heat generators.
  • the invention is achieved in a heating system with the features of claim 1.
  • a method for operating a heating system the invention with the features of claim 17 is achieved.
  • Advantageous embodiments of the heating system according to the invention and the method according to the invention will become apparent from the dependent claims.
  • the return flow past the consumer unit after the heating medium has passed the hydraulic switch. Since the mixer circuits are also fed from the return if necessary, the heating medium in the return is used and thus the return further cooled.
  • the hydraulic switch can also be part of an open module, which in turn can represent a consumer, for example, a mixed or unmixed heating circuit or a heat exchanger, eg for drinking water.
  • the cooling down of the return also has advantages in relation to the operation of heating systems with buffer memory.
  • Buffers can absorb and release heat much more effectively when heat is removed at the lowest possible temperature level. It is particularly advantageous if the strong modulation width of wall unit cascades is used in order to heat up missing heat during removal without storing it in the buffer.
  • the inventive method and device according to the invention are advantageous in embodiments in which the heating medium is removed from the buffer memory at the lowest possible temperature level and reheated by a Wandierikaskade to the respective required level. This is done with the lowest possible return temperature, so that the buffer memory remains hot as long as possible while it is down as quickly as possible cold.
  • the mixer circuits of the consumer unit each comprise a mixing device, as is known from DE 198 21 256 C1, the disclosure content of which is fully incorporated here, in particular the disclosure content with respect to the mixing device.
  • DE 198 21 256 C1 discloses a heating system with a high-temperature circuit and a low-temperature mixer circuit and a method for its operation with return utilization.
  • the low temperature mixer circuit is controlled either alone from the flow of the heat generator (full load), from the flow of the heat generator and the return of the high temperature circuit (heavy load) or alone supplied by the return of the high-temperature circuit in case of need with the addition of the return of the low-temperature mixer circuit (load limit and low load).
  • the control of the mixing device requires both in the case of the four-way mixing valve and in the case of two three-way mixing valves only a single controlled variable, for example, the flow temperature of the mixer circuit.
  • the known from the aforementioned publication mixing device is used to the flow of the mixer circuit with the heating medium controlled either alone from the flow chamber (full load), or both from the flow chamber and from the (first) return chamber (heavy load) or solely from the (first) return chamber (limit load) as needed mixed with the own return of the mixer circuit (low load) to feed.
  • FIG. 1 shows a heating system with a cascade consisting of n heat generators, m mixer circuits, a hydraulic separator and a two-chamber distributor,
  • FIG. 2 shows a heating system according to FIG. 1, wherein the hydraulic separator is part of an unmixed heating circuit
  • FIG. 3 shows a heating system similar to FIG. 1, the hydraulic separator being part of a heat exchanger for heating drinking water, FIG.
  • FIG. 4 shows a heating system with a cascade consisting of n heat generators, m mixer circuits, a hydraulic separator, a buffer storage and a three-chamber distributor,
  • Fig. 6 a heating system similar to FIG. 4, wherein the hydraulic switch is part of a heat exchanger for DHW heating, and
  • Fig. 7 an open mixed heating circuit.
  • Fig. 1 shows a heating system 1 consisting of a cascade of n parallel connected heat generators 2a - 2n, a two-chamber manifold 8 and m mixer circuits 10a - 10m.
  • Each heat generator 2a-2n has a burner 3a-3n, a circulation pump 4a-4n with a backflow preventer 5a-5n, and a flow temperature sensor 6a-6n.
  • the reference numerals are usually given only in relation to one of several identical or similar equipment, here heat generator and mixer circuits. The same symbols in the figures also mean the same elements in the affected equipment. At least one of the heat generators, in the example of FIG.
  • the heat generator 2a has a changeover valve 7, here placed for example in the appliance return, the heat generated either in heating parallel to the other heat generators 2b - 2n of the cascade the Zweischteiler 8 or hot water preparation operation the heat exchanger 24th a drinking water storage tank 23 supplies.
  • a storage sensor 25 At the drinking water storage 23 is a storage sensor 25, which measures the drinking water temperature. If the measured drinking water temperature falls below the set nominal value, then the heat generator 2a is switched over from the heating mode to the hot water preparation mode.
  • the changeover valve 7 supplies the heat to the heat exchanger 24 and the burner 3a and the circulation pump 4a are guided to setpoint values set for hot water preparation.
  • Each of the m mixer circuits 10a - 10m has an assembly consisting of a mixing device 1 1 a - 1 1 m with not shown here associated actuator, a circulating pump 12a - 12m and a flow sensor 13a - 13m, the mixing device via three ports 14a - 14m, 15a-15m and 16a-16m is connected to the two-chamber manifold 8.
  • the connection 14a-14m are connected to the supply chamber 51 of the two-chamber distributor 8 and the two connections 15a-15m and 16a-16m to the return chamber 52, the removal connection 15a-15m being upstream of the supply connection 16a-16m.
  • the mixing device 1 1 a - 1 1 m supplies the associated mixer circuit 10a - 10m either alone with hot supply water via the connection 14a - 14m or with a mixture of hot supply water via the connection 14a - 14m and warm return water via the connection 15a - 15m or only with warm return water over the connection 15a - 15m if necessary mixed with cold Return water of the mixer circuit 10a - 10m itself, wherein the not required for mixing part of the return water via the terminal 16a - 16m the return chamber 52 of the two-chamber distributor 8 is supplied.
  • a quantity compensation takes place in any direction, so that the removal of the mixer circuit 10a-10m is completely hydraulically decoupled.
  • the mixer circuits 10a-10m are arranged with respect to the temperature requirement with a temperature gradient on the two-chamber distributor 8. That is, the temperature requirement of a mixer circuit, z. B. the mixer circuit 10c, which is closer to the heat generators 2a - 2n in the course of the two-chamber manifold 8 as another mixer circuit, e.g. 10d, at most as high or lower than that of the other mixer circuit 10d.
  • the order of arrangement can be determined by the design temperatures of the heating circuits 10a-10m involved. First, the flow temperature according to design temperature is relevant. D. h the flow temperature of a mixer circuit, z. B.
  • the mixer circuit 10c which is closer to the heat generators 2a - 2n in the course of the two-chamber manifold 8 as another mixer circuit, e.g. 10d, is at most as high or lower than that of the other mixer circuit 10d.
  • the respective return temperature is decisive.
  • the supply of a mixer circuit 10a - 10m from the return of the two-chamber distributor 8 leads to the so-called return use.
  • the mixer generators 2a-2n closest to the mixer circuit 10a provide a continuous lowering of the return temperature with a corresponding increase in efficiency.
  • the two chambers 51 and 52 of the two-chamber distributor 8 are replaced by a location furthest from the connection of the heat generator hydraulic switch 17 interconnected. At this is the switch temperature sensor 20th
  • All temperature sensors 6, 13, 20, 22, 25 and circulating pumps 4, 12 burners 3 and not shown separately actuators of the mixing devices 1 1 and heat generator 2 are connected via dashed lines in the figures shown signal or control lines with a weather-compensated cascade controller 21.
  • This calculates the weather-dependent setpoint values of the temperatures of the individual mixer circuits 10a-10m from the outside temperature measured by an outside sensor 22, compares them with the values measured by the temperature sensors 13a-13m of the mixer circuits 10a-10m and controls the control deviation according to the actuators of FIG Mixing devices 1 1 a - 1 1 m, eg via three-point signals (on-stop-to), as disclosed in DE 19821 256 C1.
  • the cascade controller is to activate the minimum number of heat generators 2a-2n needed to supply the acute power demand, both the burners 3a-3n and the circulation pumps 4a-4n of the non-activated heat generators 2a-2n being switched off; the backflow preventer 5a - 5n prevent a backflow of heating water.
  • the active heat generators 2a-2n generate the flow temperature which corresponds to the maximum of the setpoint values of all mixer circuits 10a-1 On.
  • the temperature of the soft-room sensor 20 is compared with the flow temperatures of the active heat generators 2a-2n: Is the temperature of the soft-bulb sensor 20 the same as the temperature of the temperature sensors 6a 6n of the activated heat generators 2a-2n, an excess of heating water flows from the flow chamber 51 of the two-chamber distributor 8 into the return chamber 52, which means that sufficient power is provided. However, if the temperature is lower, colder heating water flows from the return chamber 52 into the flow chamber 51, which means that too little power is generated. This corresponds to the control behavior of the cascade controller for conventional turnout temperature sensors, in which the switch between the heat generator and the consumer is mounted.
  • the known regulations of heat generator cascades can be used.
  • the advantage of the method described here or of the device described here lies in the fact that the hot heating water passing over the switch 17 from the flow chamber 51 into the return flow chamber 52 is strongly cooled by the return use of the mixer circuits 10a-10m before it again in the cascade of the heat generator 2a - 2n passes.
  • the cascade is operated at the same power with lower return temperature and higher efficiency.
  • the circulating pumps 4a-4n of the heat generators 2a-2n can also transport the same heat output with a smaller volume flow and thus lower electrical power consumption and mechanical wear.
  • the advantage of the invention thus lies in a much more efficient operation of components that are already technically available today.
  • FIG. 2 shows a second variant of the multi-circuit system according to the invention with Wandierikaskade. Elements of this variant as well as further variants to be explained later that correspond to the heating system 1 of FIG. 1 are given corresponding reference numerals. If these elements are not explained again in the variants, reference is made to the description of FIG. In FIG. 2 as well as in the further FIGS. 3 to 6, the backflow preventers 5n in FIG. 1 are missing in the illustration of the heat generators 2a-2n. However, in each embodiment, each heat generator 2a-2n should each have a backflow preventer corresponding to FIG , which also serves as a gravity brake.
  • the heating system according to FIG. 2 contains an additional high-temperature heating circuit 60, which is unmixed and whose flow is controlled by a thermostatic valve 36. It does not contain its own circulating pump and is fed directly by the circulating pumps 4a-4n of the heat generators 2a-2n.
  • the differential pressure in the high-temperature circuit 60 is kept constant by an open differential pressure overflow valve 18.
  • Under an open differential pressure relief valve 18 is an assembly with anti-parallel circuit of a common Differential pressure relief valve and a backflow preventer understood.
  • the switch temperature sensor 20 is located between the supply chamber connection 34 of the high-temperature heating circuit 60 and the open differential pressure overflow valve 18, ie the anti-parallel connection of the ordinary differential pressure overflow valve and the backflow preventer. At this point it acts in the manner described on the cascade controller: Overflowing hot flow water signals sufficient butterbreit ein and guaranteed to supply the unmixed Hochtemperaturikinikes 60, sufficient pressure drop at the overflow, while returning colder return water signals a lack of power. Thus, the cascade controller 21 detects when sufficient and when too little power is provided.
  • the flow temperature of the heat generator cascade 2a - 2n corresponds to the flow temperature of acting as a hydraulic switch and simultaneously acting as a consumer unmixed high-temperature circuit 60th
  • At least one of the heat generator (in Figure 1, the heat generator 2a) has a switching valve 7, placed here, for example, in the device flow, the heat generated either in heating parallel to the other heat generators 2b - 2n of the cascade the two-chamber manifold 8 or im
  • Hot water preparation operation the heat exchanger 24 a drinking water storage tank 23 supplies.
  • the storage sensor 25 which measures the drinking water temperature.
  • the set value the corresponding heat generator 2a is converted from the heating mode in the hot water preparation operation:
  • the switching valve 7 supplies the heat to the heat exchanger 24 and burner 3a and circulating pump 4a are set to a set for hot water setpoint.
  • a mixed high-temperature heating circuit 90 can also be used in a heating system according to FIG. 2.
  • the high-temperature circuit 90 is then connected to the flow chamber 51 via the flow chamber connection 34 and to the return flow chamber 52 of the distribution unit 8 via the return flow chamber connection 35.
  • the high temperature circuit 90 has a circulation pump 91 and a three-way mixing valve 92, so that the own return can be added to the flow of the high-temperature circuit 90 controllable.
  • an open connection piece 93 is provided between supply and return, whereby the high-temperature circuit 90 becomes the open assembly, which fulfills the function of the hydraulic separator.
  • the switch temperature sensor 20 is disposed below the connector 93 and performs the same function as the switch temperature sensor in all other embodiments of the invention shown here.
  • Fig. 3 shows a third variant of the multi-circuit system according to the invention with a cascade of heat generators 2a - 2n, for example in the form of wall devices. It comprises a water heater in the form of a drinking water storage tank 23, in which a heat exchanger 24 is provided.
  • the drinking water storage 23 is part of an open assembly 72, which serves as a hydraulic switch for the entire system.
  • the assembly 72 includes a switching valve 19, which releases the supply of the heat exchanger 24 when needed.
  • the set value of the cascade of the heat generators 2a-2n is increased to the value set for hot water preparation and the switching valve 19 is opened to the heat exchanger 24 of the drinking water storage tank 23.
  • the switch temperature sensor 20 ensures in both positions of the changeover valve 19 that the cascade controller 21 provides sufficient power from the heat generators 2a-2n.
  • the switching valve 19 can also be a temperature-dependent throttling of the flow be used by the heat exchanger 24, for example in the form of a thermostatic valve, not shown here. The throttling can be done depending on the storage tank temperature or the return temperature. If the heat exchanger 24 used elsewhere, other temperatures may be relevant, for example, the room temperature or the outlet temperature of a fan.
  • FIG. 4 shows a heating system which includes a solar system, to which only a solar system circulating pump 28 and symbolically solar collectors 29 are shown, and a buffer memory 26.
  • the solar heat - as shown here - can be transmitted via a tube bundle heat exchanger 75 located in the buffer memory 26. It could also be used here not shown external heat exchanger with secondary circulation pump.
  • the heating water from the buffer memory 26 could be performed directly in the solar panels 29.
  • another regenerative heat source not shown here (biomass combustion, combined heat and power, heat pump) could be used. Characteristic of regenerative heat sources are their low controllability and / or their low flow temperatures.
  • the buffer memory 26 should be able to absorb heat at the lowest possible temperature level, and secondly the NachMapley with well controllable heat generators 2a - 2n, such as wall unit cascades.
  • the buffer memory 26 has four ports 76 - 79.
  • a drinking water storage 23 is integrated into the buffer memory 26.
  • At least one of the heat generators 2 a - 2 n (in the example of FIG.
  • the heat generator 2 a has a switching valve 7, placed here for example in the device flow, which generates the heat generated either parallel to the other heat generators 2 b - 2 n of the cascade in heating mode parallel to a three - chamber distributor 9 or 9 in hot water preparation operation the top buffer connection 76 supplies.
  • a storage sensor 25 At the buffer memory 26 is a storage sensor 25 which measures the buffer water temperature of the uppermost of three zones. These zones are each between two immediately adjacent of the total of four buffer terminals 76 - 79. If the measured buffer water temperature falls below the set value, the corresponding heat generator 2a from the heating operation in the
  • Hot water preparation mode changed over The switching valve 7 supplies the heat of the uppermost buffer zone and the burner 3a and the circulation pump 4a are guided to set for hot water preparation setpoints.
  • All returns 81 a - 81 n of the heat generators 2a - 2n are connected in parallel with each other and with the second highest buffer connection 77.
  • the heat generators 2a-2n activated by the cascade controller 21 each remove buffer water above the middle zone and feed it-driven by the circulation pumps 4a-4n-to the flow chamber 82 of the three-chamber distributor 9.
  • On this m mixer circuits 10a - 10m are arranged with a temperature gradient in the direction of heat generator cascade 2a - 2n, which can also be fed from a first return chamber 83 of the three-chamber distributor 9.
  • mixer circuits 10a-10m are a part number, namely the mixer circuits 10a - 1 Of low-temperature circuits, which typically supply so-called surface heating circuits (ceiling, wall and floor heating) with return temperatures of at most 30 ° C.
  • the other mixer circuits 10g - 10m are high-temperature circuits (radiators, convectors, air heaters) with higher return temperatures. While the high temperature circuits 10g-10m feed their returns downstream of the withdrawal into the first return chamber 83 according to the already described method of recycle, the returns of the low temperature circuits 10a-10f are collected in a separate low temperature manifold 84 which houses the third distribution chamber or second return chamber Three-chamber distributor 9 forms. This first return chamber 83 is connected to the third buffer port 78 and the second return chamber 84 to the lowest buffer port 79.
  • the last, farthest from the connection of the heat generator cascade 2a - 2n assembly forms again a hydraulic switch 17, which connects the flow chamber 82 with the first return chamber 83.
  • the temperature sensor, circulating pumps, burners and actuators of the mixing devices and heat generators are connected via dashed signal or control lines to the weather-compensated cascade controller 21.
  • This calculates the weather-dependent setpoint values of the temperatures of the individual mixer circuits 10a-10m from the outside temperature measured by the outside sensor 22, compares them with the values measured by the temperature sensors 6a-6m of the mixer circuits 10a-10m and controls the control deviation according to the actuators of the mixing devices not shown here 11 a - 1 1 m via three-point signals (open-close). This results in a total heat loss with a value pair volume flow and flow return temperature difference (Q, ⁇ T).
  • the cascade controller 21 is to activate the minimum number of heat generators 2a - 2n, z.
  • the heat generator 2a - 2h which are needed to supply the acute power requirement, both the burner 3i - 3n and the circulation pumps 4i -.4n the non-activated heat generator 2i - 2n are turned off.
  • Backflow preventers not shown separately prevent heating water from flowing back.
  • the active heat generators 2a-2h generate the flow temperature which corresponds to the maximum of the setpoint values of all mixer circuits 10a-10m.
  • the temperature of the switch temperature sensor (20) is compared with the flow temperatures of the active heat generators 2a-2h: is the temperature of the switch temperature sensor 20 the same as the temperature of the temperature sensor 6a - 6h of the activated heat generator 2a - 2h , so flows an excess of heating water from the Advance came mer 82 of the three-chamber distributor 9 in the first return chamber 83, which means that enough power is provided. However, if the temperature is lower, colder heating water flows from the first return chamber 83 into the supply chamber 82, which means that too little power is generated. Then at least one further heat generator 2i is connected. This corresponds to the control behavior of the cascade controller for heating systems according to the prior art, in which the hydraulic switch with temperature sensor is mounted between the heat generator and the consumer.
  • All mixing devices 11a to 11m each have three ports 14a
  • the mixer circuit 10g is shown by way of example.
  • the mixer circuit flow 85g is supplied either with a mixture of the supply chamber port 14g and the return chamber port 15g or the return chamber port 15g and the own mixer circuit return 86g.
  • the return chamber connections 15a-15m respectively open into the first return chamber 83.
  • the return connections 16g-16m of the high-temperature mixer circuits 10g-10m there open as well, while the return chamber connections
  • the cascade controller 21 carries each mixer circuit flow temperature by means of a 3-point signal via the actuator not shown here the respective mixing device 1 1 a - 1 1 m.
  • the advantage of the method described here or of the device described here lies in the fact that the hot heating water overflowing in stationary operation via the hydraulic separator 17 from the supply line into the return line is strongly cooled by the return use of the mixer circuits 10a-10m.
  • the affected mixer circuit can still heat the buffer memory 26 at a low temperature level and thus relieve the heat generator 2a - 2n, which then only need to reheat.
  • the separate return collector i. the second return flow chamber 84 for the coldest returns is ensured that the lowermost zone of the buffer memory 26 is cooled as low as possible, which keeps the buffer memory 26 hot longer up and makes him down at the same time receptive for heat at a low temperature level.
  • the heating system is operated at the same power with a higher proportion of regenerative heat.
  • the advantage of the invention is thus again in a much more efficient operation of components that are already technically available today.
  • FIG. 5 shows a further variant of the multi-circuit system according to the invention with wall unit cascade 2a-2n, regenerative heat generator (shown here are the associated circulating pump 28 and symbolically solar collectors 29) and buffer memory 26. It comprises one via the flow chamber connection 34 and the return chamber connection 35 to the distributor unit 9 connected further unmixed high-temperature heating circuit 60, as has already been described for the embodiment according to FIG. Its flow is regulated by a thermostatic valve 36.
  • the heating circuit 60 does not contain its own circulating pump and is fed directly by the circulating pumps 4a-4n of the heat generators 2a-2n.
  • FIG. 2 wherein the local reference numerals have been adopted with respect to the heating circuit 60.
  • a mixed heating circuit 90 as shown in FIG. 7 and described in connection with FIG. 2, can also be used.
  • a three-chamber distributor 9 is provided which is formed in the manner provided for Fig. 4 way and is connected in a corresponding manner to the mixer circuits 10a - 10m.
  • a solar system (28, 29) or other regenerative energy source and a buffer memory 26 is provided in which a drinking water storage 23 is arranged.
  • the changeover valve 7 is connected to one of the heat generators, here in FIG Example heat generator 2a, placed in the return, which makes a separate heat exchanger 88 required for the drinking water storage.
  • the switching valve 7 supplies the generated heat to the heat exchanger 88 of the drinking water storage 23 either in heating mode parallel to the other heat generators 2b-2n of the cascade, the three-chamber distributor 9 or in the hot water preparation mode.
  • a storage sensor 25 At the drinking water storage 23 is a storage sensor 25, which measures the drinking water temperature. If the measured drinking water temperature falls below the set nominal value, then the corresponding heat generator 2a is switched over from the heating mode to the hot water preparation mode.
  • the switching valve 7 supplies the heat to the heat exchanger 88 and the burner 2a and circulation pump 4a are guided to setpoint values set for hot water preparation.
  • the buffer memory 26 has three connections 77 to 79 which are connected in the manner described with reference to FIG. 4 to the three-chamber distributor 9 and the heat generators 2a-2n.
  • the heat exchanger 88 of the drinking water reservoir 23 is - as already shown - connected to one of the heat generator, in the present example to the heat generator 2a.
  • FIG. 6 shows a further variant of the multi-circuit system according to the invention with wall unit cascade, regenerative heat generator and buffer storage. It contains an open assembly 72 with switching valve 73 for supplying a water heater with a lying in a drinking water storage 23 heat exchanger 24. Once the measured from the storage tank sensor 25 drinking water temperature falls below the required value, the set value of the cascade of the heat generator 2a - 2n set to the water heating Increased value and the switching valve 19 to the heat exchanger 24 of the drinking water storage 23 open.
  • the switch temperature sensor 20 ensures in both positions of the change-over valve that the cascade controller 21 provides sufficient power from the heat generators 2a-2n. Since the hot water now takes place outside the buffer memory 26, it has only three ports 77 to 79 or two zones.
  • the heating system according to the invention can - as shown in the embodiments - different chamber distribution types, optionally a buffer, optionally a drinking water supply, separately or combined with a buffer memory having.
  • the hydraulic switch can be formed by a simple connection between two chambers of the chamber distributor or as a functional component, for example as a heating circuit or drinking water preparation. It can be seen from the exemplary embodiments that further combinations of the presented system parts can be combined in the sense of the invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Water Supply & Treatment (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Other Air-Conditioning Systems (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)
  • Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)

Abstract

L'invention concerne une installation de chauffage et de refroidissement ainsi qu'un procédé pour la faire fonctionner. Dans une installation de chauffage ou de refroidissement comprenant une unité génératrice de chaleur/de froid constituée d'au moins un générateur de chaleur/de froid (2a - 2n) et une unité consommatrice constituée d'au moins un circuit mélangeur (10a - 10m), il est prévu qu'une unité de distribution (8, 9) comporte une chambre de départ (51, 82) transportant la canalisation de départ de l'unité génératrice de chaleur/de froid vers au moins un circuit mélangeur (10a - 10m) et une première chambre de retour (52, 83, 84) recevant la canalisation de retour dudit au moins un circuit mélangeur (10a - 10m), ledit au moins un circuit mélangeur (10a - 10m) peut être alimenté de manière régulée en provenance de la chambre de départ (51, 82) et de la première chambre de retour (52, 83, 84) par l'intermédiaire d'un dispositif mélangeur (11a - 11m) et pour le découplage hydraulique total de l'unité génératrice de chaleur/de froid et de l'unité consommatrice, il est prévu un inverseur hydraulique (17, 60, 72) derrière l'unité consommatrice, vu dans le sens d'écoulement de la canalisation de départ dans l'unité de distribution (8, 9). La disposition particulière de l'inverseur hydraulique (17, 60, 72) par rapport à l'unité de distribution permet une utilisation de la canalisation de retour qui accroît nettement le rendement.
PCT/DE2010/075017 2009-02-18 2010-02-18 Installation de chauffage et de refroidissement et procédé pour faire fonctionner une installation de chauffage et de refroidissement WO2010094282A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ATA9040/2010A AT517246B1 (de) 2009-02-18 2010-02-18 Heizungs- oder kühlungsanlage und verfahren zum betrieb einer heizungs- oder kühlungsanlage
DE112010000424T DE112010000424A5 (de) 2009-02-18 2010-02-18 Heizungs- oder kühlungsanlage und verfahren zum betrieb einer heizungs- oder kühlungsanlage

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009009402.4 2009-02-18
DE102009009402 2009-02-18

Publications (2)

Publication Number Publication Date
WO2010094282A2 true WO2010094282A2 (fr) 2010-08-26
WO2010094282A3 WO2010094282A3 (fr) 2011-03-10

Family

ID=42634261

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2010/075017 WO2010094282A2 (fr) 2009-02-18 2010-02-18 Installation de chauffage et de refroidissement et procédé pour faire fonctionner une installation de chauffage et de refroidissement

Country Status (3)

Country Link
AT (1) AT517246B1 (fr)
DE (1) DE112010000424A5 (fr)
WO (1) WO2010094282A2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013091892A3 (fr) * 2011-12-22 2013-10-24 Az - Pokorny Trade S.R.O. Système et procédé d'alimentation thermique
EP2950006A1 (fr) * 2014-05-30 2015-12-02 Peter Gabanyi Réglage de température ambiante pour un chauffage par le sol
FR3034849A1 (fr) * 2015-04-13 2016-10-14 Infiniti Energies Kit modulaire de montage d'une installation de chauffage ou de climatisation et installation realisee a partir d'un tel kit
DE102020123209A1 (de) 2020-09-04 2022-03-10 Viessmann Werke Gmbh & Co Kg Energiesystem und Verfahren zum Steuern eines Energiesystems mit hydraulischer Systemtrennung

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19821256C1 (de) 1998-05-12 1999-09-16 Baunach Hans Georg Verfahren zum Betreiben einer Umlaufflüssigkeitsheizung oder -kühlung und Umlaufflüssigkeitsheizung oder -kühlung

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4407807A1 (de) * 1994-03-09 1995-09-14 Werner Krzyzik Hydraulische Weiche für Heizanlagen
AT406905B (de) * 1997-01-13 2000-10-25 Vaillant Gmbh Umlaufwasserheizer
DK0985891T3 (da) * 1998-09-12 2003-03-24 Supellex Ag Fremgangsmåde og indretning til opvarmning og/eller afkøling af rum
EP1036993B1 (fr) * 1999-03-18 2004-05-12 Comfort - Sinusverteiler GmbH & Co. KG Installation de chauffage à cascade avec deux ou plusieures chaudières
ITTO990123U1 (it) * 1999-06-30 2000-12-30 Rbm Spa Collettore di distribuzione per impianto termico a circoscrizione for-zata.
DE10102041C2 (de) * 2001-01-18 2002-11-21 Sven Rose Heizanlage mit Wärmequelle, Wärmespeicher und Wärmepumpe
AT411190B (de) * 2001-10-02 2003-10-27 Zortea Rembert Heizanlage und/oder kühlanlage mit mindestens einer wärmequelle
EP1764561A1 (fr) * 2005-09-16 2007-03-21 RWE Fuel Cells GmbH Procédé d'opération d'une installation de production d'énergie thermique
DE202005020098U1 (de) * 2005-12-23 2007-05-10 Comfort Sinusverteiler Gmbh Kaskadeneinheit für eine Heizungsanlage mit zwei oder mehr Heizkesseln
EP1939541A2 (fr) * 2006-12-30 2008-07-02 HG Baunach GmbH & Co KG Procédé destiné à la commande d'une installation de chauffage et installation de chauffage
DE102007020406A1 (de) * 2007-04-27 2008-10-30 Viessmann Werke Gmbh & Co Kg Vakuum-Sorptionsvorrichtung und Verfahren zum Betrieb einer Vakuum-Sorptionsvorrichtung

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19821256C1 (de) 1998-05-12 1999-09-16 Baunach Hans Georg Verfahren zum Betreiben einer Umlaufflüssigkeitsheizung oder -kühlung und Umlaufflüssigkeitsheizung oder -kühlung

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013091892A3 (fr) * 2011-12-22 2013-10-24 Az - Pokorny Trade S.R.O. Système et procédé d'alimentation thermique
EA027263B1 (ru) * 2011-12-22 2017-07-31 Флексира С.Р.О. Способ теплоснабжения и система теплоснабжения
EP2950006A1 (fr) * 2014-05-30 2015-12-02 Peter Gabanyi Réglage de température ambiante pour un chauffage par le sol
DE102014008319B4 (de) * 2014-05-30 2017-11-23 Peter Gabanyi Raumtemperatur-Regelung für eine Flächenheizung
FR3034849A1 (fr) * 2015-04-13 2016-10-14 Infiniti Energies Kit modulaire de montage d'une installation de chauffage ou de climatisation et installation realisee a partir d'un tel kit
DE102020123209A1 (de) 2020-09-04 2022-03-10 Viessmann Werke Gmbh & Co Kg Energiesystem und Verfahren zum Steuern eines Energiesystems mit hydraulischer Systemtrennung

Also Published As

Publication number Publication date
AT517246B1 (de) 2024-06-15
AT517246A5 (de) 2016-12-15
WO2010094282A3 (fr) 2011-03-10
DE112010000424A5 (de) 2012-08-09

Similar Documents

Publication Publication Date Title
EP2363650B1 (fr) Groupe de production de chaleur doté d'un réglage de pompes à jet
DE102008038617B4 (de) Verfahren und Vorrichtung zur Wärmenutzung
DE102010016343A1 (de) Vorrichtung zur Wärmeversorgung von Gebäuden
EP3447403A1 (fr) Procédures de fonctionnement pour installations de récupération de chaleur, unité d'échange de chaleur air/fluide et installation de récupération de chaleur
AT517246B1 (de) Heizungs- oder kühlungsanlage und verfahren zum betrieb einer heizungs- oder kühlungsanlage
DE102009004501A1 (de) Wärmepumpe und Verfahren zur Regelung der Quelleneingangstemperatur an der Wärmepumpe
DE102010019727B4 (de) Verfahren und Übergabestation zur Übertragung von Wärme
EP2404114B1 (fr) Installation de chauffage ou installation de refroidissement et procédé pour faire fonctionner des installations de chauffage ou des installations de refroidissement
DE10244256B4 (de) Heizanlage und/oder Kühlanlage mit mindestens einer Wärmequelle
DE102007048728B4 (de) Heizkessel, Heizungsanlage sowie Verfahren zum Betreiben einer Heizungsanlage, insbesondere zur solaren Heizungsunterstützung
DE102015117851A1 (de) Fluidsystem und Verfahren zum Steuern eines Fluidsystems
DE102013110078B4 (de) Heizungsanlage
DE102011106022A1 (de) Warmwassererzeugungs-, Speicher- und Abgabevorrichtung
EP2339247B1 (fr) Procédé de chauffage d'eau non potable
EP2950006B1 (fr) Réglage de température ambiante pour un chauffage par le sol
DE102013224628B4 (de) Vorrichtung zur Erwärmung von Trinkwasser für ein Verteilnetz
DE102013012724A1 (de) Vorrichtung zur Erwärmung von Heizwasser für eine Warmwasserbereitung
AT526249B1 (de) Verfahren zum Temperieren von Gebäuderäumen
EP3460340B1 (fr) Procédé de fourniture de chaleur, installation de récupération de chaleur et unité de fourniture de chaleur
DE202016103592U1 (de) System umfassend zumindest einen Wärmespeicher
EP4269881A1 (fr) Installation d'alimentation en chaleur d'un bâtiment
DE102021211129A1 (de) Hybridheizsystem zum Bereitstellen von Brauchwasser und Heizungswärme
DE102019003716A1 (de) Verbessertes System zur koordiniereten Beschleunigung von Flüssigkeit in einem Leitungssystem, insbesondere von Heizungswasser zum Erwärmen von Trinkwasser über Wärmetauscher
WO2023232549A1 (fr) Système de ventilation
EP2863135A1 (fr) Optimisation de température de consigne pour une partie en attente dans des installations de chauffage, en particulier pour le chauffage d'eau potable

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 10713107

Country of ref document: EP

Kind code of ref document: A2

ENP Entry into the national phase

Ref document number: 90402010

Country of ref document: AT

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: A 9040/2010

Country of ref document: AT

Ref document number: A9040/2010

Country of ref document: DE

122 Ep: pct application non-entry in european phase

Ref document number: 10713107

Country of ref document: EP

Kind code of ref document: A2

REG Reference to national code

Ref country code: DE

Ref legal event code: R225

Ref document number: 112010000424

Country of ref document: DE

Effective date: 20120809