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1. 发明授权

US09920996B2 Heat exchange system and method 有权
公开(公告)号：US09920996B2
公开(公告)日：2018-03-20
申请号：US14631932
申请日：2015-02-26
申请人： MAXI-THERME INC.
发明人： Raymond Lach
IPC分类号： F28F27/00 , F28B1/02 , F28F27/02 , F28B11/00 , F28D7/06 , F28D21/00
CPC分类号： F28B1/02 , F28B11/00 , F28D7/06 , F28D21/0017 , F28F27/02
摘要： The system and method of controlling a level of flooding to remain substantially constant within a flooded heat exchanger wherein steam flows into a steam side and condenses to form condensate that partly floods the steam side and that flows out of the steam side, and wherein cold water flows into a water side in heat exchange relationship with the steam side to heat the cold water and form heated water that flows out of the water side, comprises collecting the water condensate flowing out of the heat exchanger condensate outlet into a level controller through a controller condensate inlet; connecting the level controller to a steam source having a pressure equivalent to that of the heat exchanger steam side; and controlling the level of condensate in the level controller to remain substantially constant with a controller valve that allows condensate to be exhausted out through a controller condensate outlet if the level of the condensate in the level controller rises beyond a valve activation threshold wherein the level of condensate in the heat exchanger steam side will also be controlled to remain substantially constant consequently allowing a level of flooding in the flooded heat exchanger to remain substantially constant. The heat exchanger heated water outlet can be coupled to a mixer with a further cold water inlet, for obtaining a system and method of providing a determined heated water temperature at a system heated water outlet in a heat exchange system.

2. 发明授权

US10955145B2 Heat exchange system and method of controlling the alternation and redundancy between heat exchangers therein 有权
公开(公告)号：US10955145B2
公开(公告)日：2021-03-23
申请号：US16330542
申请日：2018-02-27
申请人： MAXI-THERME INC.
发明人： Raymond Lach , Gabriel Cossette-Labrosse , Patrick Lach
IPC分类号： F28B1/00 , F24D19/10 , F28D7/16 , F24D17/00 , F28B7/00
摘要： The heat exchange system is for heating water from a water source and comprises first and second flooded heat exchangers that have steam sides that are each independently fed with steam, but water sides that are serially fed with water through the first heat exchanger then through the second heat exchanger. The system also comprises first and second control valves located at or downstream of subcooled condensate outlets of the first and second heat exchangers, first and second water temperature sensors at or downstream of the heated water outlets of the first and second heat exchangers, and a control device for receiving temperature data from the first and second water temperature sensors and for controlling the first and second control valves. The proportions of the first and second steam sides that are flooded are respectively selectively adjusted by controlling the debit of condensate allowed through the first and second subcooled condensate outlets with the first and second control valves, for allowing heat exchange to the water to be adjusted as a result of the water temperature measured by the first and second water temperature sensors. The first and second control valves are set in one of a first state in which they are both at least partly opened to allow effective heat exchange from the steam to the water in both first and second heat exchangers, and a second state in which one of them is closed while the other is at least partly opened to have an effective heat exchange from the steam to the water in only one of the first or second heat exchangers while the first and second steam sides remain both supplied with steam.

3. 发明申请

US20160252307A1 HEAT EXCHANGE SYSTEM AND METHOD 有权
标题翻译：热交换系统和方法
公开(公告)号：US20160252307A1
公开(公告)日：2016-09-01
申请号：US14631932
申请日：2015-02-26
申请人： MAXI-THERME INC.
发明人： Raymond Lach
IPC分类号： F28B1/02
CPC分类号： F28B1/02 , F28B11/00 , F28D7/06 , F28D21/0017 , F28F27/02
摘要： The system and method of controlling a level of flooding to remain substantially constant within a flooded heat exchanger wherein steam flows into a steam side and condenses to form condensate that partly floods the steam side and that flows out of the steam side, and wherein cold water flows into a water side in heat exchange relationship with the steam side to heat the cold water and form heated water that flows out of the water side, comprises collecting the water condensate flowing out of the heat exchanger condensate outlet into a level controller through a controller condensate inlet; connecting the level controller to a steam source having a pressure equivalent to that of the heat exchanger steam side; and controlling the level of condensate in the level controller to remain substantially constant with a controller valve that allows condensate to be exhausted out through a controller condensate outlet if the level of the condensate in the level controller rises beyond a valve activation threshold wherein the level of condensate in the heat exchanger steam side will also be controlled to remain substantially constant consequently allowing a level of flooding in the flooded heat exchanger to remain substantially constant. The heat exchanger heated water outlet can be coupled to a mixer with a further cold water inlet, for obtaining a system and method of providing a determined heated water temperature at a system heated water outlet in a heat exchange system.
摘要翻译：控制淹水水平的系统和方法在淹水热交换器内保持基本恒定，其中蒸汽流入蒸汽侧并冷凝以形成部分地蒸发蒸汽侧并从蒸汽侧流出的冷凝物，并且其中冷水以与蒸汽侧的热交换关系流入水侧以加热冷水并形成从水侧流出的加热水，包括通过控制器将从热交换器冷凝水出口流出的水冷凝物收集到液位控制器中冷凝水入口; 将液位控制器连接到具有与热交换器蒸汽侧的压力相当的压力的蒸汽源; 并且通过控制器阀来控制液位控制器中的冷凝物水平保持基本恒定，如果液位控制器中的冷凝水平超过阀门激活阈值，则控制器阀允许冷凝物通过控制器冷凝水出口排出，热交换器蒸汽侧中的冷凝物也将被控制以保持基本恒定，从而允许溢流式热交换器中的溢流水平保持基本恒定。热交换器加热的水出口可以连接到具有另外的冷水入口的混合器，用于获得在热交换系统中的系统加热水出口处提供确定的加热水温的系统和方法。

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