HOT WATER SUPPLY HEATING DEVICE

• Main Author: NAKAJIMA TAKUMI
• Format: Patent
• Language: English; Japanese
• Published: 12.10.2022
• Subjects: BLASTING; DOMESTIC HOT-WATER SUPPLY SYSTEMS; DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATINGSYSTEMS; ELEMENTS OR COMPONENTS THEREFOR; FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL; HEATING; LIGHTING; MECHANICAL ENGINEERING; RANGES; VENTILATING; WEAPONS

To provide a hot water supply heating device in which a heat pump can be efficiently used for a high-temperature heating terminal.SOLUTION: A hot water supply heating device comprises: a hot supply water circulation passage 20 through which hot supply water is circulated; a heating water circulation passage 80 through which heating water for supplying heat to a high-temperature heating terminal 76 is circulated; a heat pump unit 6 arranged in the hot supply water circulation passage 20 and the heating water circulation passage 80, and comprising a heat pump 61, a hot supply water heat exchanger 63, and a heating water heat exchanger 65; a hot water storage tank 4 arranged in the hot supply water circulation passage 20 for storing the hot supply water heated by the hot supply water heat exchanger 63; a burner 8 arranged in the heating water circulation passage 80 for heating the heating water; and a connection water passage 44 provided between a hot water discharge port 43 of the hot water storage tank 4 and a flow passage located upstream of the high-temperature heating terminal 76 in the heating water circulation passage 80. The heating water circulation passage 80 is connected so as to be capable of supplying heat to the high-temperature heating terminal 76 and constituted so as to be capable of supplying heat of the hot supply water in the hot water storage tank 4 to the high-temperature heating terminal 76 via the connection water passage 44.SELECTED DRAWING: Figure 1 【課題】ヒートポンプを高温暖房端末に対して効率よく使用することができる給湯暖房機を提供する。【解決手段】給湯水が循環する給湯水循環路２０と、高温暖房端末７６に熱供給する暖房水が循環する暖房水循環路８０と、給湯水循環路２０及び暖房水循環路８０に配置され、ヒートポンプ６１と、給湯水熱交換器６３と、暖房水熱交換器６５と、を有するヒートポンプユニット６と、給湯水循環路２０に配置され、給湯水熱交換器６３によって加熱された給湯水を貯える貯湯タンク４と、暖房水循環路８０に配置され、暖房水を加熱する燃焼器８と、貯湯タンク４の出湯口４３と暖房水循環路８０における高温暖房端末７６よりも上流側の流路との間に設けられる接続水路４４と、を備え、暖房水循環路８０は、高温暖房端末７６に熱供給可能に接続されるとともに、高温暖房端末７６に対して、接続水路４４を介して貯湯タンク４の給湯水の熱を供給可能に構成されている。【選択図】図１