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    • 10. 发明申请
    • HEAT-EXCHANGE CIRCUIT
    • 热交换电路
    • WO2011110946A3
    • 2013-08-08
    • PCT/IB2011000616
    • 2011-03-09
    • SCHWEYHER HOLGER
    • F24J2/46F24D3/04F24D3/06F24D3/10F24D11/00F24D11/02F24D19/08F24D19/10F24F5/00
    • F24D19/083F24D3/04F24D3/06F24D3/1016F24D11/003F24D11/0221F24D19/1042F24D19/1045F24F5/0014Y02B10/20Y02B10/70Y02B30/126
    • A water-filled heat-exchange circuit is provided. The circuit comprises a pressurising unit for pressurising liquid in the circuit and a heater for heating the liquid, e.g. a solar field heater. In accordance with best building practice, a pressure-release valve is located at a high point in the circuit. This valve is configured to open to release pressure in the circuit if a pressure threshold is exceeded. The circuit additionally comprises a second pressure-release valve that is located at a position in the pressurised circuit where, in normal use, the temperature is lower than at the location of the first pressure-release valve, e.g. because the second pressure-release valve is connected to the remainder of the circuit via a cold buffer, such as an un-insulated interception tank. The second pressure-release valve is furthermore configured to open at a pressure threshold that is lower than that of the first pressure-release valve. Thus in an over-pressure situation the second pressure-release valve will open to relieve pressure before the first pressure release valve. Because the second pressure- release valve is at a relatively cooler point in the circuit than would be the case for a conventional pressure-release valve, there is reduced risk of damage caused by uncontrolled steam generation as pressure is released in an over-pressure situation. At the same time, the provision of the first pressure release valve helps in ensuring compliance with building codes.
    • 提供充水的热交换电路。 电路包括用于对电路中的液体加压的加压单元和用于加热液体的加热器, 太阳能场加热器。 根据最佳建筑实践,压力释放阀位于电路的高点。 如果超过压力阈值,该阀被配置为打开以释放回路中的压力。 该电路还包括位于加压回路中的位置处的第二压力释放阀,其中在正常使用中,温度低于第一压力释放阀的位置,例如, 因为第二压力释放阀通过诸如非隔热截流槽的冷缓冲器连接到电路的其余部分。 此外,第二压力释放阀构造成在比第一压力释放阀的压力阈值低的压力阈值下打开。 因此,在过压情况下,第二压力释放阀将打开以在第一压力释放阀之前释放压力。 因为第二个压力释放阀在电路中比传统的压力释放阀的情况下处于相对较冷的点,因此在过压情况下释放压力时,由不受控制的蒸汽产生造成的损坏风险降低 。 同时,提供第一个压力释放阀有助于确保符合建筑规范。