US20200240650A1 - Heating system - Google Patents
Heating system Download PDFInfo
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- US20200240650A1 US20200240650A1 US16/742,888 US202016742888A US2020240650A1 US 20200240650 A1 US20200240650 A1 US 20200240650A1 US 202016742888 A US202016742888 A US 202016742888A US 2020240650 A1 US2020240650 A1 US 2020240650A1
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- Prior art keywords
- passage portion
- source machine
- heat
- heating
- heat source
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 119
- 238000005192 partition Methods 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000010926 purge Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 238000005219 brazing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Images
Classifications
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- 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
- F24D19/1021—Arrangement or mounting of control or safety devices for water heating systems for central heating using a valve or valves a by pass valve
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- 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
- F24D19/0002—Means for connecting central heating radiators to circulation pipes
- F24D19/0017—Connections between supply and inlet or outlet of central heating radiators
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- 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
- F24D3/02—Hot-water central heating systems with forced circulation, e.g. by 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
- 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
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- 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
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- 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
- F24D2220/0221—Mixing cylinders
-
- 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
- F24D2220/0228—Branched distribution conduits
-
- 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
- F24D2220/0271—Valves
Definitions
- the disclosure relates to a heating system which includes a heat source machine for heating a heat medium, and a circulation circuit in which the heat medium is circulated between heating terminals which perform heating using heat of the heat medium.
- a heating system which includes a heat source machine that heats a heat medium, and a hot-water supply heating device which circulates the heat medium between heating terminals to perform heating and supplies hot water using heat of the heat medium.
- This heating system heats the heat medium by one heat source machine, and thus heat mediums having the same temperature are distributed and supplied to each heating terminal when a plurality of heating terminals is included. Therefore, for example, it is difficult to mix a heating terminal which requires a high-temperature heat medium like a hot air heater and a heating terminal which requires a low-temperature heat medium like a floor heating device.
- a heating system which can simultaneously supply, by including a plurality of heat source machines, heat mediums with required temperatures to a heating terminal which requires a high-temperature heat medium and a heating terminal which requires a low-temperature heat medium.
- the heat mediums are heated to different temperatures by the plurality of heat source machines and supplied to the heating terminals, and thus distribution channels of the heat mediums are complicated.
- the connection is not easy.
- a construction cost of the heating system increases due to the plurality of heat source machines.
- the disclosure provides a heating system which can adjust a heat medium heated by one heat source machine to required temperatures of a plurality of heating terminals and supply the heat medium to each heating terminal.
- a heating system includes: a heat source machine which heats a heat medium; a plurality of heating terminals which performs heating using heat of the heat medium; circulation components of the heat medium; a circulation circuit which is configured by connecting the heat source machine, the plurality of heating terminals; and the circulation components; and a bypass passage which is arranged in the circulation circuit to bypass the heat source machine; wherein the heat medium heated by the heat source machine and a heat medium of the bypass passage are mixed and circulated, wherein the circulation circuit includes distribution and mixing parts which have a first distribution part for distributing the heat medium heated by the heat source machine, a second distribution part for distributing the heat medium flowing through the bypass passage, and mixing parts for mixing the heat mediums which are distributed by the first and second distribution parts and correspond to each other.
- FIG. 1 is a diagram showing a circulation circuit of a heat medium of a heating system according to an embodiment of the disclosure.
- FIG. 2 is a perspective view of a header member corresponding to a connection passage portion of the circulation circuit in FIG. 1 .
- FIG. 3 is a front view of the header member in FIG. 2 .
- FIG. 4 is a cross-sectional view taken along a line IV-IV of the header member in FIG. 3 .
- FIG. 5 is a plan view of the header member in FIG. 2 .
- FIG. 6 is a cross-sectional view taken along a line VI-VI of the header member in FIG. 5 .
- a circulation circuit of a heat medium in a heating system is described.
- an example of a heating system having two heating terminals is described, but the type and the number of the heating terminals are appropriately set according to a location to be heated.
- a heating system 1 includes: one heat source machine 2 which heats a heat medium; a plurality of heating terminals 3 a , 3 b which performs heating using heat of the heat medium; pumps 4 a , 4 b which serve as circulation components of the heat medium; and a circulation circuit 5 which connects the heat source machine 2 , the plurality of heating terminals 3 a , 3 b , and the pumps 4 a , 4 b .
- the heat source machine 2 is a hot-water supply heating device which has a water-supply function of heating clean water introduced as shown by an arrow CW and supplying hot water as shown by an arrow HW, or may be a heat source machine dedicated to heating.
- water is used as the heat medium.
- the circulation circuit 5 includes a bypass passage 6 which is arranged to bypass the heat source machine 2 , and is branched into a heating passage 5 a which has the heating terminal 3 a and the pump 4 a and a heating passage 5 b which has the heating terminal 3 b and the pump 4 b .
- the heating passages 5 a , 5 b share most of a connection passage portion 5 c which includes the bypass passage 6 and is connected to the heat source machine 2 in order to share the heat source machine 2 .
- the pump 4 a is driven and the heat medium which is heated by the heat source machine 2 and the heat medium flowing through the bypass passage 6 are mixed and supplied to the heating terminal 3 a , and the heat medium used for heating at the heating terminal 3 a is sent to the heat source machine 2 and the bypass passage 6 .
- the pump 4 b is driven and the heat medium which is heated by the heat source machine 2 and the heat medium flowing through the bypass passage 6 are mixed and supplied to the heating terminal 3 b , and the heat medium used for heating at the heating terminal 3 b is sent to the heat source machine 2 and the bypass passage 6 .
- the circulation circuit 5 includes, in the connection passage portion 5 c , a first distribution part 7 which distributes, to the heating passages 5 a , 5 b , the high-temperature heat medium which is heated by the heat source machine 2 , and a second distribution part 8 which distributes, to the heating passages 5 a , 5 b , the low-temperature heat medium which flows through the bypass passage 6 and dissipates heat at the heating terminals 3 a , 3 b .
- the connection passage portion 5 c has mixing parts 9 a , 9 b which mix the heat mediums distributed by the first distribution part 7 and the second distribution part 8 and corresponding to each other.
- mixing the heat mediums corresponding to each other refers to mixing one part of the low-temperature heat medium distribute by the second distribution part 8 with one part of the high-temperature heat medium distributed by the first distribution part 7 , and mixing the other part of the low-temperature heat medium distribute by the second distribution part 8 with the other part of the high-temperature heat medium distributed by the first distribution part 7 .
- the first distribution part 7 and the second distribution part 8 By the first distribution part 7 and the second distribution part 8 , the high-temperature heat medium which is heated by the heat source machine 2 and the heat medium of the bypass passage 6 which is used for heating and decreases in temperature are distributed respectively, and the distributed heat mediums with different temperatures are respectively mixed by the mixing parts 9 a , 9 b to generate a first intermediate-temperature heat medium and a second intermediate-temperature heat medium.
- the first distribution part 7 , the second distribution part 8 and the mixing parts 9 a , 9 b are collectively referred to as distribution and mixing parts.
- the heating terminal 3 a is, for example, a hot air heater which requires a high-temperature heat medium
- the heating terminal 3 b is, for example, a floor heating device which requires a heat medium with a temperature lower than that of the heating terminal 3 a . Since the temperatures of the heat mediums required in the heating terminal 3 a and the heating terminal 3 b are different, the heating passage 5 a and the heating passage 5 b are divided in order to circulate the heat mediums corresponding to the temperatures.
- members such as expansion tanks for absorbing volume expansion of the heat mediums, valves for opening and closing the heating passages 5 a , 5 b , and the like are arranged.
- connection passage portion 5 c of the circulation circuit 5 which is shared by the heating passages 5 a , 5 b is configured by, for example, the header member 11 which is formed by connecting a plurality of copper tubes or synthetic resin tubes.
- the header member 11 includes: a heat source machine forward passage portion 12 and a heat source machine return passage portion 13 which are connected to the heat source machine 2 ; a circulation return passage portion 14 which is connected to the heat source machine forward passage portion 12 ; a circulation forward passage portion 15 which is connected to the heat source machine return passage portion 13 ; and a bypass passage portion 16 equivalent to the bypass passage 6 which connects the circulation return passage portion 14 to the circulation forward passage portion 15 .
- the heat source machine forward passage portion 12 includes a valve 12 a for opening and closing the passage of the heat source machine forward passage portion 12 and a purge port 12 b for maintenance
- the heat source machine return passage portion 13 includes a valve 13 a for opening and closing the passage of the heat source machine return passage portion 13 and a purge port 13 b.
- the circulation return passage portion 14 includes connection portions 14 a , 14 b for respective connection to the heating passages 5 a , 5 b , and the heat mediums with different temperatures which dissipate heat at the heating terminals 3 a , 3 b and decrease in temperature when flowing through the heating passages 5 a , 5 b are mixed within the circulation return passage portion 14 .
- the heat mediums whose temperatures become substantially uniform due to the mixing are supplied to the heat source machine forward passage portion 12 and the bypass passage portion 16 .
- the circulation return passage portion 14 includes a purge port 14 c.
- the circulation forward passage portion 15 includes connection portions 15 a , 15 b for respective connection to the heating passages 5 a , 5 b , and includes valves 15 c , 15 d for opening and closing passages of the circulation forward passage portion 15 at the connection portions 15 a , 15 b .
- the first distribution part 7 , the second distribution part 8 and the mixing parts 9 a , 9 b which are the distribution and mixing parts are installed.
- the circulation forward passage portion 15 is branched into two passages from a connection portion with the heat source machine return passage portion 13 to the connection portions 15 a , 15 b connected to the heating passages 5 a , 5 b , and includes a partition wall 15 e which partitions the inside of the circulation forward passage portion 15 into two passages.
- the circulation forward passage portion 15 includes a purge port 15 f . If the circulation forward passage portion 15 is, for example, a copper tube, the partition wall 15 e is formed in a manner that a copper plate inserted into the circulation forward passage portion 15 is fixed by brazing or the like, and if the circulation forward passage portion 15 is a synthetic resin tube, the partition wall 15 e is integrally formed inside the tube by, for example, injection molding.
- an opening 15 g is formed so that the circulation forward passage portion 15 which is branched by the partition wall 15 e respectively communicates with the heat source machine return passage portion 13 .
- the opening 15 g is divided by the partition wall 15 e in order to differentiate opening areas respectively communicating with the branched circulation forward passage portion 15 .
- the opening area at a side connected to the connection portion 15 a which is connected to the heating passage 5 a at a high-temperature side is made larger than the opening area at a side connected to the connection portion 15 b which is connected to the heating passage 5 b at a low-temperature side, and the heat medium heated by the heat source machine 2 can be supplied more to the high-temperature side.
- the connection portion between the heat source machine return passage portion 13 and the circulation forward passage portion 15 which is configured in a manner of differentiating the opening areas of the opening 15 g by the partition wall 15 e in this way is equivalent to the first distribution part 7 which distributes the heat medium heated by the heat source machine 2 to the heating passages 5 a , 5 b.
- the bypass passage portion 16 is connected respectively to the circulation forward passage portion 15 which is branched by the partition wall 15 e .
- the partition wall 15 e unevenly divides a passage cross-sectional area of the circulation forward passage portion 15 , and the low-temperature heat medium flowing through the bypass passage portion 16 is distributed to the branched circulation forward passage portion 15 .
- a connection portion between the circulation forward passage portion 15 and the bypass passage portion 16 which is configured in a manner that the passage cross-sectional area of the circulation forward passage portion 15 is divided unevenly by the partition wall 15 e in this way is equivalent to the second distribution part 8 which distributes the heat medium passing through the bypass passage portion 16 to the heating passages 5 a , 5 b.
- the high-temperature heat medium which is distributed and introduced from the heat source machine return passage portion 13 and the low-temperature heat medium which is distributed and introduced from the bypass passage portion 16 are mixed when flowing through each passage of the branched circulation forward passage portion 15 .
- the branched circulation forward passage portions 15 are equivalent to the mixing parts 9 a , 9 b which mix the heat mediums distributed by the first distribution part 7 and the second distribution part 8 and correspond to each other.
- connection portion between the heat source machine return passage portion 13 and the circulation forward passage portion 15 is close to the connection portion between the circulation forward passage portion 15 and the bypass passage portion 16 , there is a risk that mixing of the heat mediums from one side to the other side of the branched circulation forward passage portion 15 occurs due to turbulent flow or the like generated near the connection portions, and the partition wall 15 e may be extended into the bypass passage portion 16 in order to prevent the risk.
- the high-temperature heat medium which is supplied from the heat source machine return passage portion 13 and is heated by the heat source machine 2 is distributed by the first distribution part 7
- the low-temperature heat medium which is supplied from the bypass passage portion 16 and used for heating is distributed by the second distribution part 8 .
- the high-temperature heat medium and the corresponding low-temperature heat medium distributed by the first distribution part 7 and the second distribution part 8 are mixed by the mixing parts 9 a , 9 b , and for example, the first intermediate-temperature heat medium at the high-temperature side is generated by the mixing part 9 a
- the second intermediate-temperature heat medium at the low-temperature side is generated by the mixing part 9 b.
- the generated first and second intermediate-temperatures are determined by an opening area ratio and a passage cross-sectional area ratio which are determined by the partition wall 15 e , flow rates of the heat mediums of the heating passages 5 a , 5 b , the temperature of the heat medium of the bypass passage portion 16 and the temperature of the heat medium of the heat source machine return passage portion 13 , and the like. Therefore, in the heating system 1 including the header member 11 , the temperatures of the heat mediums supplied to the heating passages 5 a , 5 b can be adjusted by adjusting flow rates of the pumps 4 a , 4 b or a heating target temperature of the heat source machine 2 .
- the heating system 1 the high-temperature heat medium heated by the heat source machine 2 and the low-temperature heat medium in the bypass passage 6 are mixed and supplied to the heating terminals 3 a , 3 b , and the heating terminals 3 a , 3 b perform heating using the heat of the supplied heat mediums.
- the heat mediums which are distributed by the first distribution part 7 and the second distribution part 8 and correspond to each other are mixed by the mixing parts 9 a , 9 b , and thus the mixed heat medium can be supplied to the heating terminals 3 a , 3 b respectively, and the heat mediums adjusted to the required temperatures of respective heating terminals can be supplied to each of the heating terminals 3 a , 3 b.
- the heat source machine 2 and the heating passages 5 a , 5 b are connected by the header member 11 which has the first distribution part 7 , the second distribution part 8 and the mixing parts 9 a , 9 b , and thereby the heating system 1 which supplies the mixed heat mediums to the heating terminals 3 a , 3 b respectively can be configured easily.
- the first distribution part 7 is configured to differentiate the opening areas of the opening 15 g of the circulation forward passage portion 15 communicating with the heat source machine return passage portion 13 , the heat medium heated by the heat source machine 2 can be distributed at a predetermined distribution ratio corresponding to the opening areas, and the heat mediums with different temperatures to be supplied to each of the heating terminal 3 a , 3 b can be easily generated.
- the first distribution part 7 is configured by the partition wall 15 e which partitions the inside of the circulation forward passage portion 15
- the second distribution part 8 is configured by the partition wall 15 e , and thus the first distribution part 7 and the second distribution part 8 can be configured with simple structures.
- the partition wall 15 e of the header member 11 may be arranged to pass through an axis of the circulation forward passage portion 15 so as to evenly divide the passage cross-sectional area of the circulation forward passage portion 15 , and to be inclined with respect to the opening 15 g so as to unevenly divide the opening area of the opening 15 g .
- one partition wall may be added to generate three types of heat mediums with different temperatures.
- a plurality of pipe members or the like may be connected to configure the connection passage portion 5 c , and the first and second distribution parts can be formed by differentiating inner diameters of these pipes.
- the heat mediums which are distributed by the first and second distribution parts and correspond to each other are mixed.
- Mixing the heat mediums which correspond to each other refers to mixing one part of the heat medium distributed by the second distribution part with one part of the heat medium distributed by the first distribution part, and mixing the other part of the heat medium distributed by the second distribution part with the other part of the heat medium distribute by the first distribution part. Accordingly, the mixed heat mediums can be supplied to each of the plurality of heating terminals, and thus heat mediums which are adjusted to required temperatures of respective heating terminals can be supplied to each of the heating terminals.
- a part of the circulation circuit is configured by a header member which includes a heat source machine forward passage portion and a heat source machine return passage portion which are connected to the heat source machine, a circulation return passage portion which is connected to the heat source machine forward passage portion, a circulation forward passage portion which is connected to the heat source machine return passage portion, and the bypass passage which connects the circulation return passage portion to the circulation forward passage portion, and wherein the distribution and mixing parts are installed in the circulation forward passage portion.
- the heat source machine and the plurality of heating terminals are connected by the header member installed with the distribution and mixing parts, and thereby the heating system which supplies the mixed heat mediums to each of the plurality of heating terminals can be easily configured.
- the first distribution part is configured to differentiating opening areas of an opening of the circulation forward passage portion communicating with the heat source machine return passage portion.
- the heat medium which is heated by the heat source machine can be distributed at a predetermined distribution ratio corresponding to the opening areas, and thus the heat mediums with different temperatures for supplying to each heating terminal can be easily generated.
- the first distribution part is configured by a partition wall which partitions the inside of the circulation forward passage portion, and the second distribution part is configured by the partition wall.
- the first and second distribution parts can be configured with simple structures.
- the heat medium which is heated by one heat source machine can be adjusted to the required temperatures of the plurality of heating terminals and supplied to each heating terminal. Therefore, there is no need for a plurality of heat source machines, and thus the heating system provided in one or more embodiments of the disclosure is not a heating system with complicated distribution channels of heat mediums, and a construction cost of the heating system can be suppressed.
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Abstract
Description
- This application claims the priority benefit of Japan Application No. 2019-011896, filed on Jan. 28, 2019. The entirety of the above-mentioned patent application is hereby incorporated by reference herein and made a part of this specification.
- The disclosure relates to a heating system which includes a heat source machine for heating a heat medium, and a circulation circuit in which the heat medium is circulated between heating terminals which perform heating using heat of the heat medium.
- Conventionally, as described in
patent literature 1 for example, a heating system is known which includes a heat source machine that heats a heat medium, and a hot-water supply heating device which circulates the heat medium between heating terminals to perform heating and supplies hot water using heat of the heat medium. This heating system heats the heat medium by one heat source machine, and thus heat mediums having the same temperature are distributed and supplied to each heating terminal when a plurality of heating terminals is included. Therefore, for example, it is difficult to mix a heating terminal which requires a high-temperature heat medium like a hot air heater and a heating terminal which requires a low-temperature heat medium like a floor heating device. - On the other hand, in order to supply heat mediums having different temperatures, for example, as described in
patent literature 2, a heating system is known which can simultaneously supply, by including a plurality of heat source machines, heat mediums with required temperatures to a heating terminal which requires a high-temperature heat medium and a heating terminal which requires a low-temperature heat medium. -
- [Paten literature 1] Japanese Utility Model Laid-Open No. 49-48746
- [Paten literature 2] Japanese Patent No. 6009797
- As for the heating system as described in
patent literature 2, the heat mediums are heated to different temperatures by the plurality of heat source machines and supplied to the heating terminals, and thus distribution channels of the heat mediums are complicated. However, although connecting a plurality of pipes forming the complicated distribution channels at a construction site is mitigated to some extent by a branch header which connects the plurality of pipes together, the connection is not easy. In addition, there is also a problem that a construction cost of the heating system increases due to the plurality of heat source machines. - The disclosure provides a heating system which can adjust a heat medium heated by one heat source machine to required temperatures of a plurality of heating terminals and supply the heat medium to each heating terminal.
- In an exemplary embodiment of the disclosure, a heating system includes: a heat source machine which heats a heat medium; a plurality of heating terminals which performs heating using heat of the heat medium; circulation components of the heat medium; a circulation circuit which is configured by connecting the heat source machine, the plurality of heating terminals; and the circulation components; and a bypass passage which is arranged in the circulation circuit to bypass the heat source machine; wherein the heat medium heated by the heat source machine and a heat medium of the bypass passage are mixed and circulated, wherein the circulation circuit includes distribution and mixing parts which have a first distribution part for distributing the heat medium heated by the heat source machine, a second distribution part for distributing the heat medium flowing through the bypass passage, and mixing parts for mixing the heat mediums which are distributed by the first and second distribution parts and correspond to each other.
-
FIG. 1 is a diagram showing a circulation circuit of a heat medium of a heating system according to an embodiment of the disclosure. -
FIG. 2 is a perspective view of a header member corresponding to a connection passage portion of the circulation circuit inFIG. 1 . -
FIG. 3 is a front view of the header member inFIG. 2 . -
FIG. 4 is a cross-sectional view taken along a line IV-IV of the header member inFIG. 3 . -
FIG. 5 is a plan view of the header member inFIG. 2 . -
FIG. 6 is a cross-sectional view taken along a line VI-VI of the header member inFIG. 5 . - An embodiment of the disclosure is described below based on an example.
- First, a circulation circuit of a heat medium in a heating system is described. In order to facilitate the description, an example of a heating system having two heating terminals is described, but the type and the number of the heating terminals are appropriately set according to a location to be heated.
- As shown in
FIG. 1 , aheating system 1 includes: oneheat source machine 2 which heats a heat medium; a plurality ofheating terminals pumps circulation circuit 5 which connects theheat source machine 2, the plurality ofheating terminals pumps heat source machine 2 is a hot-water supply heating device which has a water-supply function of heating clean water introduced as shown by an arrow CW and supplying hot water as shown by an arrow HW, or may be a heat source machine dedicated to heating. Moreover, water is used as the heat medium. - The
circulation circuit 5 includes abypass passage 6 which is arranged to bypass theheat source machine 2, and is branched into aheating passage 5 a which has theheating terminal 3 a and thepump 4 a and aheating passage 5 b which has theheating terminal 3 b and thepump 4 b. Theheating passages connection passage portion 5 c which includes thebypass passage 6 and is connected to theheat source machine 2 in order to share theheat source machine 2. - In the
heating passage 5 a, thepump 4 a is driven and the heat medium which is heated by theheat source machine 2 and the heat medium flowing through thebypass passage 6 are mixed and supplied to theheating terminal 3 a, and the heat medium used for heating at theheating terminal 3 a is sent to theheat source machine 2 and thebypass passage 6. Similarly, in theheating passage 5 b, thepump 4 b is driven and the heat medium which is heated by theheat source machine 2 and the heat medium flowing through thebypass passage 6 are mixed and supplied to theheating terminal 3 b, and the heat medium used for heating at theheating terminal 3 b is sent to theheat source machine 2 and thebypass passage 6. - The
circulation circuit 5 includes, in theconnection passage portion 5 c, afirst distribution part 7 which distributes, to theheating passages heat source machine 2, and asecond distribution part 8 which distributes, to theheating passages bypass passage 6 and dissipates heat at theheating terminals connection passage portion 5 c has mixingparts first distribution part 7 and thesecond distribution part 8 and corresponding to each other. Here, mixing the heat mediums corresponding to each other refers to mixing one part of the low-temperature heat medium distribute by thesecond distribution part 8 with one part of the high-temperature heat medium distributed by thefirst distribution part 7, and mixing the other part of the low-temperature heat medium distribute by thesecond distribution part 8 with the other part of the high-temperature heat medium distributed by thefirst distribution part 7. - By the
first distribution part 7 and thesecond distribution part 8, the high-temperature heat medium which is heated by theheat source machine 2 and the heat medium of thebypass passage 6 which is used for heating and decreases in temperature are distributed respectively, and the distributed heat mediums with different temperatures are respectively mixed by themixing parts first distribution part 7, thesecond distribution part 8 and themixing parts - The
heating terminal 3 a is, for example, a hot air heater which requires a high-temperature heat medium, and theheating terminal 3 b is, for example, a floor heating device which requires a heat medium with a temperature lower than that of theheating terminal 3 a. Since the temperatures of the heat mediums required in theheating terminal 3 a and theheating terminal 3 b are different, theheating passage 5 a and theheating passage 5 b are divided in order to circulate the heat mediums corresponding to the temperatures. Although illustration is omitted, in theheating passages heating passages - Next, a
header member 11 equivalent to theconnection passage portion 5 c is described. As shown inFIG. 2 -FIG. 6 , theconnection passage portion 5 c of thecirculation circuit 5 which is shared by theheating passages header member 11 which is formed by connecting a plurality of copper tubes or synthetic resin tubes. Theheader member 11 includes: a heat source machineforward passage portion 12 and a heat source machinereturn passage portion 13 which are connected to theheat source machine 2; a circulationreturn passage portion 14 which is connected to the heat source machineforward passage portion 12; a circulationforward passage portion 15 which is connected to the heat source machinereturn passage portion 13; and abypass passage portion 16 equivalent to thebypass passage 6 which connects the circulationreturn passage portion 14 to the circulationforward passage portion 15. The heat source machineforward passage portion 12 includes avalve 12 a for opening and closing the passage of the heat source machineforward passage portion 12 and apurge port 12 b for maintenance, and the heat source machinereturn passage portion 13 includes avalve 13 a for opening and closing the passage of the heat source machinereturn passage portion 13 and apurge port 13 b. - The circulation
return passage portion 14 includesconnection portions heating passages heating terminals heating passages return passage portion 14. The heat mediums whose temperatures become substantially uniform due to the mixing are supplied to the heat source machineforward passage portion 12 and thebypass passage portion 16. In addition, the circulationreturn passage portion 14 includes apurge port 14 c. - The circulation
forward passage portion 15 includesconnection portions heating passages valves forward passage portion 15 at theconnection portions forward passage portion 15, thefirst distribution part 7, thesecond distribution part 8 and themixing parts - The circulation
forward passage portion 15 is branched into two passages from a connection portion with the heat source machinereturn passage portion 13 to theconnection portions heating passages partition wall 15 e which partitions the inside of the circulationforward passage portion 15 into two passages. In addition, the circulationforward passage portion 15 includes apurge port 15 f. If the circulationforward passage portion 15 is, for example, a copper tube, thepartition wall 15 e is formed in a manner that a copper plate inserted into the circulationforward passage portion 15 is fixed by brazing or the like, and if the circulationforward passage portion 15 is a synthetic resin tube, thepartition wall 15 e is integrally formed inside the tube by, for example, injection molding. - At the connection portion between the heat source machine
return passage portion 13 and the circulationforward passage portion 15, an opening 15 g is formed so that the circulationforward passage portion 15 which is branched by thepartition wall 15 e respectively communicates with the heat source machinereturn passage portion 13. The opening 15 g is divided by thepartition wall 15 e in order to differentiate opening areas respectively communicating with the branched circulationforward passage portion 15. - For example, the opening area at a side connected to the
connection portion 15 a which is connected to theheating passage 5 a at a high-temperature side is made larger than the opening area at a side connected to theconnection portion 15 b which is connected to theheating passage 5 b at a low-temperature side, and the heat medium heated by theheat source machine 2 can be supplied more to the high-temperature side. The connection portion between the heat source machinereturn passage portion 13 and the circulationforward passage portion 15 which is configured in a manner of differentiating the opening areas of the opening 15 g by thepartition wall 15 e in this way is equivalent to thefirst distribution part 7 which distributes the heat medium heated by theheat source machine 2 to theheating passages - The
bypass passage portion 16 is connected respectively to the circulationforward passage portion 15 which is branched by thepartition wall 15 e. Thepartition wall 15 e unevenly divides a passage cross-sectional area of the circulationforward passage portion 15, and the low-temperature heat medium flowing through thebypass passage portion 16 is distributed to the branched circulationforward passage portion 15. A connection portion between the circulationforward passage portion 15 and thebypass passage portion 16 which is configured in a manner that the passage cross-sectional area of the circulationforward passage portion 15 is divided unevenly by thepartition wall 15 e in this way is equivalent to thesecond distribution part 8 which distributes the heat medium passing through thebypass passage portion 16 to theheating passages - In addition, the high-temperature heat medium which is distributed and introduced from the heat source machine
return passage portion 13 and the low-temperature heat medium which is distributed and introduced from thebypass passage portion 16 are mixed when flowing through each passage of the branched circulation forwardpassage portion 15. The branched circulationforward passage portions 15 are equivalent to themixing parts first distribution part 7 and thesecond distribution part 8 and correspond to each other. Moreover, since the connection portion between the heat source machinereturn passage portion 13 and the circulation forwardpassage portion 15 is close to the connection portion between the circulation forwardpassage portion 15 and thebypass passage portion 16, there is a risk that mixing of the heat mediums from one side to the other side of the branched circulation forwardpassage portion 15 occurs due to turbulent flow or the like generated near the connection portions, and thepartition wall 15 e may be extended into thebypass passage portion 16 in order to prevent the risk. - In the
header member 11, the high-temperature heat medium which is supplied from the heat source machinereturn passage portion 13 and is heated by theheat source machine 2 is distributed by thefirst distribution part 7, and the low-temperature heat medium which is supplied from thebypass passage portion 16 and used for heating is distributed by thesecond distribution part 8. The high-temperature heat medium and the corresponding low-temperature heat medium distributed by thefirst distribution part 7 and thesecond distribution part 8 are mixed by the mixingparts part 9 a, and the second intermediate-temperature heat medium at the low-temperature side is generated by the mixingpart 9 b. - The generated first and second intermediate-temperatures are determined by an opening area ratio and a passage cross-sectional area ratio which are determined by the
partition wall 15 e, flow rates of the heat mediums of theheating passages bypass passage portion 16 and the temperature of the heat medium of the heat source machinereturn passage portion 13, and the like. Therefore, in theheating system 1 including theheader member 11, the temperatures of the heat mediums supplied to theheating passages pumps heat source machine 2. - Next, actions and effects of the
heating system 1 of the disclosure are described. In theheating system 1, the high-temperature heat medium heated by theheat source machine 2 and the low-temperature heat medium in thebypass passage 6 are mixed and supplied to theheating terminals heating terminals first distribution part 7 and thesecond distribution part 8 and correspond to each other are mixed by the mixingparts heating terminals heating terminals - In addition, the
heat source machine 2 and theheating passages header member 11 which has thefirst distribution part 7, thesecond distribution part 8 and the mixingparts heating system 1 which supplies the mixed heat mediums to theheating terminals - Since the
first distribution part 7 is configured to differentiate the opening areas of the opening 15 g of the circulation forwardpassage portion 15 communicating with the heat source machinereturn passage portion 13, the heat medium heated by theheat source machine 2 can be distributed at a predetermined distribution ratio corresponding to the opening areas, and the heat mediums with different temperatures to be supplied to each of theheating terminal - The
first distribution part 7 is configured by thepartition wall 15 e which partitions the inside of the circulation forwardpassage portion 15, and thesecond distribution part 8 is configured by thepartition wall 15 e, and thus thefirst distribution part 7 and thesecond distribution part 8 can be configured with simple structures. - The
partition wall 15 e of theheader member 11 may be arranged to pass through an axis of the circulation forwardpassage portion 15 so as to evenly divide the passage cross-sectional area of the circulation forwardpassage portion 15, and to be inclined with respect to the opening 15 g so as to unevenly divide the opening area of the opening 15 g. For example, one partition wall may be added to generate three types of heat mediums with different temperatures. In addition, instead of using theheader member 11, a plurality of pipe members or the like may be connected to configure theconnection passage portion 5 c, and the first and second distribution parts can be formed by differentiating inner diameters of these pipes. Additionally, those skilled in the art can implement the disclosure in forms in which various modifications are added to the above example without departing from the gist of the disclosure, and the disclosure includes these modification forms. - According to the above configuration, when the heat medium which is heated by the heat source machine is mixed with the heat medium of the bypass passage and supplied to the plurality of heating terminals, the heat mediums which are distributed by the first and second distribution parts and correspond to each other are mixed. Mixing the heat mediums which correspond to each other refers to mixing one part of the heat medium distributed by the second distribution part with one part of the heat medium distributed by the first distribution part, and mixing the other part of the heat medium distributed by the second distribution part with the other part of the heat medium distribute by the first distribution part. Accordingly, the mixed heat mediums can be supplied to each of the plurality of heating terminals, and thus heat mediums which are adjusted to required temperatures of respective heating terminals can be supplied to each of the heating terminals.
- In an embodiment of the disclosure, a part of the circulation circuit is configured by a header member which includes a heat source machine forward passage portion and a heat source machine return passage portion which are connected to the heat source machine, a circulation return passage portion which is connected to the heat source machine forward passage portion, a circulation forward passage portion which is connected to the heat source machine return passage portion, and the bypass passage which connects the circulation return passage portion to the circulation forward passage portion, and wherein the distribution and mixing parts are installed in the circulation forward passage portion.
- According to the above configuration, the heat source machine and the plurality of heating terminals are connected by the header member installed with the distribution and mixing parts, and thereby the heating system which supplies the mixed heat mediums to each of the plurality of heating terminals can be easily configured.
- In an embodiment of the disclosure, the first distribution part is configured to differentiating opening areas of an opening of the circulation forward passage portion communicating with the heat source machine return passage portion.
- According to the above configuration, the heat medium which is heated by the heat source machine can be distributed at a predetermined distribution ratio corresponding to the opening areas, and thus the heat mediums with different temperatures for supplying to each heating terminal can be easily generated.
- In an embodiment of the disclosure, the first distribution part is configured by a partition wall which partitions the inside of the circulation forward passage portion, and the second distribution part is configured by the partition wall.
- According to the above configuration, the first and second distribution parts can be configured with simple structures.
- In the heating system provided in one or more embodiments of the disclosure, the heat medium which is heated by one heat source machine can be adjusted to the required temperatures of the plurality of heating terminals and supplied to each heating terminal. Therefore, there is no need for a plurality of heat source machines, and thus the heating system provided in one or more embodiments of the disclosure is not a heating system with complicated distribution channels of heat mediums, and a construction cost of the heating system can be suppressed.
Claims (4)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2019011896A JP7202525B2 (en) | 2019-01-28 | 2019-01-28 | heating system |
JP2019-011896 | 2019-01-28 |
Publications (1)
Publication Number | Publication Date |
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US20200240650A1 true US20200240650A1 (en) | 2020-07-30 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US16/742,888 Abandoned US20200240650A1 (en) | 2019-01-28 | 2020-01-14 | Heating system |
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US (1) | US20200240650A1 (en) |
JP (1) | JP7202525B2 (en) |
CN (1) | CN111486495A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20220042688A1 (en) * | 2020-08-10 | 2022-02-10 | Nibco Inc. | Expansion tank service valve assembly |
US20230128634A1 (en) * | 2021-10-25 | 2023-04-27 | Nibco Inc. | Hydronic expansion tank assembly |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114992691A (en) * | 2022-05-09 | 2022-09-02 | 杭州科晟能源技术有限公司 | High-efficient heating system |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3036779A (en) * | 1959-04-28 | 1962-05-29 | Midland Ross Corp | Multiple branch heating system and method |
US4601426A (en) * | 1984-01-27 | 1986-07-22 | Brosenius Karl Hilding | Excess-pressure-free boiler and accumulator heating system |
US5119988A (en) * | 1990-06-28 | 1992-06-09 | Joachim Fiedrich | Hydronic heating water temperature control system |
US5617994A (en) * | 1994-10-17 | 1997-04-08 | Fiedrich; Joachim | Hydronic heating with satellite distribution stations for multi-temperature supply water to heating loops |
US20150122902A1 (en) * | 2013-11-07 | 2015-05-07 | Grundfos Holding A/S | Hydraulic manifold for a hydraulic heating and/or cooling system |
US9404664B2 (en) * | 2009-02-18 | 2016-08-02 | Uponor Innovation Ab | Controlling a heating/cooling system |
US20170030593A1 (en) * | 2015-07-28 | 2017-02-02 | B2 Products Ltd. | Modular track wiring assembly for a hydronic system |
US20180216834A1 (en) * | 2014-11-12 | 2018-08-02 | David Patrick Rea | A Manifold, a Buffer Tank comprising the Manifold, and a Method for operating a Heat Exchange System |
US20180336775A1 (en) * | 2015-11-20 | 2018-11-22 | Sens Geoenergy Storage Ab | Heat pump system and method for monitoring valve leaks in a heat pump system |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3685542A (en) * | 1970-11-06 | 1972-08-22 | Rheem Mfg Co | Fluid heater by-pass tee |
JPS4938373Y2 (en) * | 1971-02-24 | 1974-10-21 | ||
JPS60104660U (en) * | 1983-12-21 | 1985-07-17 | サンデン株式会社 | hot water boiler |
JP2586096B2 (en) * | 1988-04-18 | 1997-02-26 | 井関農機株式会社 | Hot water heating system |
JPH11108377A (en) * | 1997-09-30 | 1999-04-23 | Sanden Corp | Hot-water heating system |
JP3926189B2 (en) * | 2002-04-01 | 2007-06-06 | 大阪瓦斯株式会社 | 2-temperature heat source machine |
US20070023084A1 (en) * | 2005-07-28 | 2007-02-01 | Cimberio Valve Co. Inc. | Valve module for a fluid-distribution system |
US20140216437A1 (en) * | 2013-02-05 | 2014-08-07 | Jeff M. Martian | Hydronic surface heating system |
JP6152312B2 (en) * | 2013-07-19 | 2017-06-21 | リンナイ株式会社 | heater |
JP6513986B2 (en) * | 2015-03-18 | 2019-05-15 | パーパス株式会社 | Heat source device, heat exchange method and heat exchanger |
-
2019
- 2019-01-28 JP JP2019011896A patent/JP7202525B2/en active Active
-
2020
- 2020-01-14 US US16/742,888 patent/US20200240650A1/en not_active Abandoned
- 2020-01-15 CN CN202010040351.0A patent/CN111486495A/en active Pending
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3036779A (en) * | 1959-04-28 | 1962-05-29 | Midland Ross Corp | Multiple branch heating system and method |
US4601426A (en) * | 1984-01-27 | 1986-07-22 | Brosenius Karl Hilding | Excess-pressure-free boiler and accumulator heating system |
US5119988A (en) * | 1990-06-28 | 1992-06-09 | Joachim Fiedrich | Hydronic heating water temperature control system |
US5617994A (en) * | 1994-10-17 | 1997-04-08 | Fiedrich; Joachim | Hydronic heating with satellite distribution stations for multi-temperature supply water to heating loops |
US9404664B2 (en) * | 2009-02-18 | 2016-08-02 | Uponor Innovation Ab | Controlling a heating/cooling system |
US20150122902A1 (en) * | 2013-11-07 | 2015-05-07 | Grundfos Holding A/S | Hydraulic manifold for a hydraulic heating and/or cooling system |
US20180216834A1 (en) * | 2014-11-12 | 2018-08-02 | David Patrick Rea | A Manifold, a Buffer Tank comprising the Manifold, and a Method for operating a Heat Exchange System |
US11300301B2 (en) * | 2014-11-12 | 2022-04-12 | David Patrick Rea | Manifold, a buffer tank comprising the manifold, and a method for operating a heat exchange system |
US20170030593A1 (en) * | 2015-07-28 | 2017-02-02 | B2 Products Ltd. | Modular track wiring assembly for a hydronic system |
US20180336775A1 (en) * | 2015-11-20 | 2018-11-22 | Sens Geoenergy Storage Ab | Heat pump system and method for monitoring valve leaks in a heat pump system |
US10535245B2 (en) * | 2015-11-20 | 2020-01-14 | Sens Geoenergy Storage Ab | Heat pump system and method for monitoring valve leaks in a heat pump system |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20220042688A1 (en) * | 2020-08-10 | 2022-02-10 | Nibco Inc. | Expansion tank service valve assembly |
US11873999B2 (en) * | 2020-08-10 | 2024-01-16 | Nibco Inc. | Expansion tank service valve assembly |
US20230128634A1 (en) * | 2021-10-25 | 2023-04-27 | Nibco Inc. | Hydronic expansion tank assembly |
US12066196B2 (en) * | 2021-10-25 | 2024-08-20 | Nibco Inc. | Hydronic expansion tank assembly |
Also Published As
Publication number | Publication date |
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CN111486495A (en) | 2020-08-04 |
JP2020118413A (en) | 2020-08-06 |
JP7202525B2 (en) | 2023-01-12 |
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