WO2016099172A1 - Appareil de chauffage domestique et d'alimentation en eau chaude appliqué au chauffage urbain et central, et procédé de contrôle de la température de l'eau de retour - Google Patents

Appareil de chauffage domestique et d'alimentation en eau chaude appliqué au chauffage urbain et central, et procédé de contrôle de la température de l'eau de retour Download PDF

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Publication number
WO2016099172A1
WO2016099172A1 PCT/KR2015/013861 KR2015013861W WO2016099172A1 WO 2016099172 A1 WO2016099172 A1 WO 2016099172A1 KR 2015013861 W KR2015013861 W KR 2015013861W WO 2016099172 A1 WO2016099172 A1 WO 2016099172A1
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WIPO (PCT)
Prior art keywords
heating
hot water
water supply
return temperature
pipe
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PCT/KR2015/013861
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English (en)
Korean (ko)
Inventor
김시환
허창회
송용민
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주식회사 경동나비엔
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Publication of WO2016099172A1 publication Critical patent/WO2016099172A1/fr

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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
    • F24D3/08—Hot-water central heating systems in combination with systems for domestic hot-water supply
    • 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
    • F24D17/00—Domestic hot-water supply systems
    • 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
    • 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

Definitions

  • the present invention relates to a generational heating and hot water supply apparatus and a return temperature control method applied to local and central heating, and more particularly, to minimize energy loss by improving heat exchange efficiency of heating water used for heating and hot water supply.
  • the present invention relates to a generational heating and hot water supply device and a return temperature control method applied to local and central heating.
  • apartment complexes and medium-sized buildings have been equipped with common heating facilities for the entire complex, rather than individual heating and individual hot water supply systems, and supply heating hot water to each household or floor through a common pipe network.
  • the system After heating the water to the proper temperature that requires water through heat exchange between the hot water and the water supply, the system is constructed by regional and central heating system that supplies each household or each floor through a pipe network.
  • the piping structure connected to each individual household for existing district and central heating is composed of a four-pipe type equipped with a heating water supply pipe, a heating return pipe, a heating water supply pipe for a hot water supply, and a heating return pipe for a hot water supply.
  • a heating water supply pipe for a hot water supply
  • a heating return pipe for a hot water supply
  • a heating return pipe for a hot water supply.
  • the four-pipe type can simultaneously use heating and hot water, it is expensive to maintain and install a new installation, and recently, the heating water supply pipe and the heating return pipe which allow the supply and return of the heating water from the heat source are made.
  • Figure 1 is a view showing the heating hot water supply device disclosed in Korea Utility Model Registration No. 20-471736.
  • the conventional heating hot water supply device shown in FIG. 1 includes a heat exchanger 11 provided for supplying hot water to one side of a heating water pipe 1 to which heating water is supplied, and provided for each generation; A three-way valve (6) provided on a line of the heating water pipe (1) to select a heating water supply to the heat exchanger (11); A hot water tapping pipe 17 connected to the heat exchanger 11 and tapping hot water; A direct water pipe 18 connected to the heat exchanger 11 at a position adjacent to the hot water tapping pipe 17 and supplied with water directly; A hot water mixing valve 13 disposed at an intersection point at which the hot water tapping pipe 17 and the direct water pipe 18 are connected to mix hot water with direct water; A flow rate detector (14) provided on a line of the straight pipe (18) for detecting a flow rate of the straight water flowing along the straight pipe (18); A heating water supply distributor 5 connected to the heat exchanger 11; A heating water return distributor (9) connected to the heating water return pipe (2) to which the heating water is returned, and connected to the heating water supply distributor (5) by a plurality of connection
  • the three-way valve (6) is provided on the line of the heating water pipe (1), the heating water supplied through the heating water pipe (1) any one of the heat exchanger (11) and the heating water supply distributor (5). It is to be supplied in the direction of the only problem occurs that the operation of the heating is stopped when using hot water during heating operation.
  • the heat source is supplied through the supply pipe at a time, and each household receives the heat source and uses it as a heat source for heating and hot water, and the heat source is returned to the local and central heating system through the return pipe. It is.
  • the supply apparatus does not include a configuration capable of controlling the return temperature below a certain temperature.
  • a method of using a generational hot water heat exchanger is also used. That is, the heating supply piping line for each generation is used for heating supply through the hot water heat exchanger of each generation.
  • this method has the effect of lowering the temperature only when hot water is used in the household. Also, since the heating supply temperature is supplied to the household according to the amount of hot water used, the heating supply temperature of the household is low, which may result in poor heating. have.
  • the present invention has been made in order to solve the above problems, after using the high temperature water supplied from the heat source supply unit for heating and hot water supply in the heating and hot water supply for each generation to return the water of the lowest possible temperature to the heat source supply unit
  • the purpose is to provide a generational heating and hot water supply device and a return temperature control method applied to local and central heating, which can minimize energy loss.
  • Generation-specific heating and hot water supply device 200 is applied to the regional and central heating according to an embodiment of the present invention for realizing the object as described above, the heating water heated in the heat source supply unit 100 as a heating source
  • Hot water supply side return pipe (206) for returning the heating water heat exchanged with the hot water in the hot water supply heat exchanger 210 to the heat source supply unit (100);
  • Direct water pipe 207 is introduced into the direct water;
  • the heating-side set return temperature is set within a range between an upper limit value and a lower limit value, and when the heating-side return temperature exceeds the upper limit of the heating-side set return temperature, the control unit determines that the heating-side return temperature is the heating-side set return temperature. It is characterized in that the control to reduce the opening degree of the heating-side flow rate control valve 261 until the temperature becomes.
  • the control unit When the heating-side return temperature is less than the lower limit of the heating-side set return temperature range, the control unit is characterized in that the opening degree of the heating-side flow control valve 261 is controlled to increase.
  • the hot water supply side set return temperature is set within a range between an upper limit value and a lower limit value, and when the hot water supply side return temperature exceeds an upper limit of the hot water supply side set return temperature, the controller controls the hot water supply side return temperature to the hot water supply side set return temperature. It characterized in that the control to reduce the opening degree of the hot water supply side flow control valve 262 until the temperature becomes.
  • the controller When the hot water supply side return temperature is less than the lower limit of the hot water supply side set return temperature range, the controller is characterized in that the opening degree of the hot water supply side flow control valve 262 is controlled to increase.
  • the heating water heated in the heat source supply unit 100 may be used simultaneously for the heating and hot water supply for each generation.
  • the opening degree of the heating-side flow control valve 261 is determined. It characterized in that the control to increase.
  • the method for controlling the return temperature of the heating and hot water supply apparatus for each generation applied to regional and central heating may simultaneously use heating water heated in the heat source supply unit 100 for generation and heating for each generation.
  • the hot water supply side flow rate Characterized in that the opening degree of the control valve 262 is controlled to increase when it is detected that the hot water supply side return temperature is less than the lower limit of the hot water supply side set return temperature, the hot water supply side flow rate Characterized in that the opening degree of the control valve 262 is controlled to increase.
  • the heating-side return temperature or hot water recovered after being used for heating or hot water supply in the generational heating and hot water supply device By detecting the side return temperature and adjusting the opening degree of the heating side flow control valve and the hot water supply side flow control valve in accordance with the return temperature set in the local and central heating systems, it is possible to minimize energy loss.
  • the return temperature of the heating water can be kept constant at a temperature corresponding to the set return temperature of the heating water required and recommended by the local and central heating systems regardless of heating and hot water loads, insulation conditions, and seasonal changes. It can improve the thermal efficiency of heating and hot water supply.
  • FIG. 1 is a view showing a heating hot water supply device disclosed in Republic of Korea Utility Model Registration No. 20-471736,
  • FIG. 2 is a block diagram of a heating and hot water supply device for each generation applied to district and central heating according to an embodiment of the present invention
  • FIG. 3 is a block diagram of a generational heating and hot water supply apparatus applied to district and central heating according to another embodiment of the present invention
  • FIG. 4 is a flowchart of a method for controlling a return temperature when a heater is operated in a heating and hot water supply device for each generation applied to local and central heating according to the present invention
  • Figure 5 is a flow chart of the method of controlling the return temperature when the water heater is operated in the heating and hot water supply for each generation applied to the regional and central heating according to the present invention.
  • heat source supply section 111 heat medium supply pipe
  • heat medium return pipe 110 heat exchanger
  • heating return pipe 205 hot water supply pipe
  • hot water supply side return pipe 207 direct water pipe
  • hot water pipe 209a heating water supply pipe
  • heating water return pipe 210 hot water supply heat exchanger
  • heating heat exchanger 231 heating water supply distributor
  • heating water return distributor 240 pump
  • heating pump 251 heat source supply temperature sensor
  • hot water return temperature sensor 255 direct water temperature sensor
  • heating return temperature sensor 261 heating flow control valve
  • FIG. 2 is a block diagram of a generational heating and hot water supply apparatus applied to district and central heating according to an embodiment of the present invention.
  • the generational heating and hot water supply apparatus 200 applied to regional and central heating according to an embodiment of the present invention is heated by a heat source supplied from a regional and central heating system (hereinafter, referred to as a 'heat source supply unit').
  • the used heating water is configured to be used simultaneously with the heater 200a and the water heater 200b.
  • Reference numeral 200 ′ denotes a heating and hot water supply device provided in another generation, and may be configured in the same manner as the reference numeral 200.
  • a heat exchanger 110 is provided between the heat source supply unit 100 and the heating and hot water supply device 200 to transfer the heat generated from the heat source supply unit 100 to the heating and hot water supply device 200. do.
  • the heat medium supply pipe 111 and the heat medium return pipe 112 are circulated between the heat source supply unit 100 and the heat exchanger 110.
  • a heat source supply pipe 201 for supplying heating water heated by the heat exchanger 110 to the heating and hot water supply device 200, and heating and hot water supply.
  • a heat source return pipe 202 through which the heating water is returned to the heat exchanger 110 through the apparatus 200 is connected, and the heat source return pipe 202 is connected between the heat exchanger 110 and the heating and hot water supply device 200.
  • a pump 240 for circulating the heating water is installed.
  • the piping structure of the heating and hot water supply device 200 is branched from the heat source supply pipe 201, the heating side supply pipe 203 for supplying the heating water to the heating requirements (room or living room, such as heating is required), the Heating-side return pipe 204 for returning the heat-exchanged heating water in the heating source to the heat source return pipe 202, branched from the heat source supply pipe 201 for supplying heating water to the hot water heat exchanger 210.
  • the heating water supplied to the heating-side supply pipe 203 is supplied to each heating point from the heating water supply distributor 231, and the heating water via the heating point is returned to the heating side via the heating water returning distributor 232. Is returned to the tube 204.
  • the heat source supply pipe 201 and the heat source return pipe 202 connected to each generation are provided with a heat source supply temperature sensor 251 and a heat source return temperature sensor 252, respectively. Provide reference temperature information.
  • the heating side return pipe 204 has a heating side return temperature sensor 253 for detecting a heating return temperature of the heating water, and a heating side for adjusting the flow rate of the heating water returned through the heating return pipe 205.
  • a flow control valve 261 is provided.
  • the hot water supply side return pipe 206 has a hot water supply side return temperature sensor 254 for detecting a hot water return temperature of the heating water, and a hot water supply side for adjusting the flow rate of the heating water returned through the hot water supply return pipe 206.
  • the flow control valve 262 is provided.
  • the direct water pipe 207 is provided with a direct water temperature sensor 255 and a flow sensor 271 for detecting the flow rate of the direct water, and the hot water pipe 208 is provided with a hot water temperature sensor 256.
  • the heating and hot water supply device 200 controls the opening degree of the heating-side flow control valve 261 so that the heating-side return temperature corresponds to the heating-side set return temperature required and recommended by the local and central heating systems.
  • a control unit (not shown) for controlling the opening degree of the hot water supply side flow control valve 262 such that the hot water supply side return temperature corresponds to the hot water supply side set return temperature required and recommended by the local and central heating systems.
  • the heating-side set return temperature Ts1 and the hot water supply-side set return temperature Ts2 may be set within a range between a reference set value Tr and an upper limit value Tr + ⁇ T and a lower limit value Tr ⁇ T.
  • the heating-side set return temperature Ts1 and the hot water supply-side set return temperature Ts2 are values set by the local and central heating systems, and may be set to the same or different temperatures.
  • the heating-side set return temperature and the hot water supply-side return water temperature are set equal to each other, and the reference set value Tr is set to 30 ° C and the temperature deviation ⁇ T is set to 2 ° C, the heating-side set return temperature and the hot water supply The upper limit of the measured return temperature is set to 32 ° C, and the lower limit is set to 28 ° C.
  • the control unit controls the heating flow control valve until the heating-side return temperature becomes the heating-side set return temperature.
  • the opening degree of 261 is controlled to be reduced. In this case, the flow rate of the heating water returned from the heating source to the heating-side return pipe 203 is reduced, and at the same time, the time for the heating water to stay in the heating element is increased, so that the amount of heat transfer transferred from the heating water to the heating element is increased. Efficiency can be increased.
  • the control unit may increase the opening degree of the heating-side flow control valve 261. Control.
  • the controller controls the hot water supply side until the hot water supply side return temperature becomes the hot water supply side return water return temperature.
  • the opening degree of the flow control valve 262 is controlled to be reduced. In this case, since the flow rate of the heating water returned from the hot water supply heat exchanger 210 to the heating-side return pipe 203 side decreases and the time for which the heating water stays in the hot water supply heat exchanger 210 increases, the water is transferred directly from the heating water. The heat transfer amount is increased to increase the heat exchange efficiency.
  • control unit may increase the opening degree of the hot water supply side flow control valve 262. Control.
  • FIG. 3 is a block diagram of a generational heating and hot water supply apparatus applied to district and central heating according to another embodiment of the present invention.
  • This embodiment omits the configuration of the heat exchanger 110 in comparison with the embodiment described above with reference to FIG. 2, and the heating water supplied to the heating-side supply pipe 203 is supplied to the heating-side return pipe via the heating heat exchanger 220. And a heating water return pipe 209b to which the heating water recovered from the heating water return distributor 232 is fed by the feeding of the heating pump 241 to the heating heat exchanger 220, and the heating water.
  • the heating water supply pipe 209a through which the heating water is supplied through the return pipe 209b and passed through the heating heat exchanger 220 and then supplied to the heating water supply distributor 231 is connected to the heating water return pipe 209b.
  • the heating return temperature sensor 258 is provided, and the heating water supply pipe 209a is provided with a heating supply temperature sensor 257, a part of the configuration is different, and other configurations are the same as the above-described embodiment It is.
  • the heating-side return pipe 204 is provided with a heating-side return temperature sensor 253 and a heating-side flow rate control valve 261, and the hot water supply-side return pipe 206 has a hot water supply side as in the above-described embodiment.
  • a return temperature sensor 254 and a hot water supply side flow control valve 262 are provided so that the heating-side return temperature and the hot water supply-side return temperature are kept constant in response to the heating-side set return temperature and the hot water-side set return temperature, respectively.
  • the features of the invention are in common in that the opening degree of the flow regulating valve 261 and the hot water supply side flow regulating valve 262 is controlled.
  • Figure 4 is a flow chart of the method of controlling the return temperature when the heater is running in the heating and hot water supply for each generation applied to the regional and central heating according to the present invention.
  • the heating water heated in the heat source supply unit 100 is used for heating and hot water supply for each generation.
  • Step (S10) in which the heater 200a is operated in the generation-specific heating and hot water supply apparatus 200 configured to be used at the same time (S10), after the heating water heated in the heat source supply unit 100 passes through the heating requirements, the heat source supply unit 100
  • step (S11) of completely opening the heating side flow control valve (261) for adjusting the flow rate of the heating water returned to the heating source to the heating side return pipe (204) for returning the heating water to the heat source supply unit (100)
  • the heating-side return temperature is the heating side Set return on If the upper limit value of the control step so that the opening degree of the heating side
  • step S16 the opening degree of the heating-side flow rate control valve 261 is increased and the heating-side return temperature is compared with the heating-side set return temperature (S17). Controlling the opening degree of the heating side flow regulating valve 261 to be in a stopped state in the case of being within the side set return temperature range (S18), and heating if the heating side return temperature is out of the heating side set return temperature range.
  • the return temperature so as to satisfy the heating-side return temperature setting range comprises a step (S19) for adjusting the opening of the heating-side flow rate adjustment valve 261.
  • FIG. 5 is a flowchart illustrating a method for controlling a return temperature when a water heater is operated in a generational heating and hot water supply device applied to regional and central heating according to the present invention.
  • the method of controlling the return temperature when the water heater 200b is operated in the generational heating and hot water supply device applied to the regional and central heating according to the present invention is to use the heating water heated in the heat source supply unit 100 for generational heating and hot water supply.
  • the hot water supply side return temperature is compared with the hot water supply side set return temperature in a state where the opening degree is decreased (S25), and when the hot water supply side return temperature is detected to be less than the lower limit of the hot water supply side return water return temperature, the hot water supply flow rate control valve 262 In step S26, the opening degree of the hot water supply flow control valve 262 is increased, comparing the hot water supply side return temperature with the hot water supply setting return temperature (S27), and the hot water supply return water temperature is increased.
  • the side return temperature consists of a step (S29) for adjusting the opening degree of the hot water supply-side flow rate control valve 262 so as to satisfy the hot water supply-side return temperature setting range.
  • the generation-specific heating and hot water supply device and the return temperature control method applied to the regional and central heating of the present invention configured as described above it is recovered after being used for heating or hot water supply in the generation-specific heating and hot water supply device 200.
  • Energy loss is minimized by detecting the heating return temperature or the hot water return temperature and adjusting the opening degree of the heating flow control valve 261 and the hot water supply flow control valve 262 according to the return temperature set in the local and central heating systems. It can maintain the return temperature of heating water at a temperature corresponding to the set return temperature of heating water required and recommended by local and central heating systems regardless of heating and hot water load, insulation condition, seasonal change, etc. And it is possible to improve the thermal efficiency of the hot water supply device 200.

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

Abstract

La présente invention concerne un appareil de chauffage et d'alimentation en eau chaude comprenant : un capteur de température de l'eau de retour côté chauffage pour détecter la température de retour côté chauffage de l'eau de chauffage revenant par un tuyau d'alimentation côté chauffage, un tuyau de retour côté chauffage, un tuyau d'alimentation côté alimentation en eau chaude, un tuyau de retour côté alimentation en eau chaude, un tuyau d'eau direct, un tuyau d'eau chaude et un tuyau de retour côté chauffage ; une soupape de régulation du débit côté chauffage pour réguler le débit de l'eau de chauffage revenant par le tuyau de retour côté chauffage ; un capteur de température de l'eau de retour côté alimentation en eau chaude pour détecter la température de retour côté alimentation en eau chaude de l'eau de chauffage revenant par le tuyau de retour côté alimentation en eau chaude ; une soupape de régulation du débit côté alimentation en eau chaude pour réguler le débit de l'eau de chauffage revenant par le tuyau de retour côté alimentation en eau chaude ; et une unité de commande pour contrôler le degré d'ouverture de la soupape de régulation du débit côté chauffage de telle sorte que la température de l'eau de retour côté chauffage corresponde à une température d'eau de retour côté chauffage définie et pour contrôler le degré d'ouverture de la soupape de régulation du débit côté alimentation en eau chaude de telle sorte que la température de l'eau de retour côté alimentation en eau chaude corresponde à une température de l'eau de retour côté alimentation en eau chaude définie.
PCT/KR2015/013861 2014-12-19 2015-12-17 Appareil de chauffage domestique et d'alimentation en eau chaude appliqué au chauffage urbain et central, et procédé de contrôle de la température de l'eau de retour WO2016099172A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020140183674A KR101654743B1 (ko) 2014-12-19 2014-12-19 지역 및 중앙 난방에 적용되는 세대별 난방 및 온수 공급 장치 및 환수 온도 제어 방법
KR10-2014-0183674 2014-12-19

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WO2016099172A1 true WO2016099172A1 (fr) 2016-06-23

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CN112460832A (zh) * 2020-09-09 2021-03-09 国网综合能源服务集团有限公司 一种基于燃气综合能源站的溴化锂制冷机组和制冷机组的运行方法
CN114263974A (zh) * 2021-12-09 2022-04-01 华能碳资产经营有限公司 一种基于调节阀的集中供热系统流量控制方法及系统

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KR101343863B1 (ko) * 2011-04-15 2013-12-20 한국건설기술연구원 변유량 난방제어장치 및 그 방법
KR101282724B1 (ko) * 2012-02-01 2013-07-05 한국에너지기술연구원 지역난방 공동주택 2차측 배관 시스템
KR101281014B1 (ko) * 2012-02-02 2013-07-08 한국에너지기술연구원 세대 내 난방 열교환기를 이용한 지역난방용 통합배관시스템
KR200471736Y1 (ko) * 2013-04-08 2014-03-13 문성아 중앙난방 또는 지역난방의 난방수를 이용한 난방 및 온수 제어 시스템

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112460832A (zh) * 2020-09-09 2021-03-09 国网综合能源服务集团有限公司 一种基于燃气综合能源站的溴化锂制冷机组和制冷机组的运行方法
CN114263974A (zh) * 2021-12-09 2022-04-01 华能碳资产经营有限公司 一种基于调节阀的集中供热系统流量控制方法及系统
CN114263974B (zh) * 2021-12-09 2024-03-22 华能碳资产经营有限公司 一种基于调节阀的集中供热系统流量控制方法及系统

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