• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A seam to prevent (shaking in overturning and drain lines where a heat pump (1) extracts heat from the ground and for the heat in a drain pipe (4) and a water pipe (5) via a heating loop (3). (Fig. 1)
    公开号:SE1250632A1
    申请号:SE1250632
    申请日:2012-06-14
    公开日:2012-12-18
    发明作者:Knut Forrelokken
    申请人:Knut Forrelokken；
    IPC主号:
    专利说明:

    From the Norwegian patent 130 072 a system for preventing freezing in pipes where a water supply pipe is placed inside a drain pipe is known. Inside the water supply pipe, a smaller pipe is placed. The system works by pumping water from a water source up to a container, through the water supply pipe. A small part of the stored water is returned to the water source through the smaller pipe. This creates a circulation of the water that prevents it from freezing. The drain pipe is insulated on its top.
    According to the patent, the water supply is prevented from freezing even in the most severe winter conditions. However, it is forbidden in Norway to place a water supply line inside a sewer pipe due to the risk that wastewater may penetrate the water supply. In addition, the pump must work continuously to keep the circulation going. The pump has an efficiency, ie. energy is lost when the pump / motor is driven. Consequently, this solution must be even more expensive than a solution using a heating cable.
    JP 2005232960 discloses a system for preventing the formation of ice in pipelines conducting water, the system comprising a built-in electric heating cable which is thermally connected to the water main.
    US2005 / 092471 describes a system for preventing freezing in a water-conducting pipeline, which comprises a fluid-conducting heat pipe which passes through a fluid heater and wherein the heating loop is thermally connected to the water pipe.
    CN 101672189 discloses a system comprising a heat pump in which a fluid loop collects heat from the walls of a tunnel, while another fluid loop delivers heat to a drainage ditch along the inside of the tunnel to keep the ditch free from freezing. JP2OG200554i describes a system with a heat pump, in which one loop collects heat from the ground, while another loop delivers heat to a road to keep it free from snow and ice.
    An object of the present invention is to provide a system for the installation of water and sewage pipes which allows the pipes to be laid in shallow ditches and with improved economy of iron movement with previously known solutions.
    This is achieved in a system described in the following claims, Inventions: will now be described in detail with reference to the accompanying drawings, in which Figfi is a schematic diagram of the system according to the invention, Fig. 2 illustrates an insulated pipe with built-in heating pipe, Fig. Ba, b shows a pressure-proof envelope in side and cross-sectional views.
    The system according to the invention comprises a heat pump 1 which collects heat from a first pipe loop 2 in the ground, e.g. performed as a borehole in rock. The first tube loop can contain all types of suitable fluids. The heat pump can also be designed in other ways, for example by taking heat from the air, or from a water reservoir such as a lake or hub. However, it is preferred that the heat be taken from the ground, unless a large and stable water reservoir is available. It is well known that heat pumps that extract heat from air become less efficient with decreasing temperature when the need for heat is greatest. The heat pump 1 supplies heated water to a heat sink 3, i.e. a second pipe sieve, which first passes a drain pipe 4 and then continues via a water pipe 5 before returning to the heat pump. The heating coil 3 is located close to the avio pipe 4 and the water pipe 5 and is thus thermally connected to them. The heating coil may preferably contain water with added antifreeze, or some other suitable liquid / fluid. Since the heating loop first passes the sewer line, any residual heat is extracted from the waste water. The amount of residual heat in the wastewater will vary locally and may also vary over time, depending on how much hot wastewater is discharged. The heat sink will therefore both collect and emit heat from / to the wastewater.
    Water and sewage pipes are shown schematically. In reality, they are branched, with branches to each cottage. The pipelines can be laid in a culvert, ie. placed next to each other in a common insulated container, surrounded by gravel or the like. This is shown in Figs. 3a, 3b, which show a container 6 of expanded polystyrene / polyurethane or some other insulating material and with a look 7 of the same material. inside the container there are water pipes 5 and drain pipes 4, each with a heating pipe close by. This group of pipes is laid in gravel 8 to homogenize and store the heat.
    The disadvantage of the culvert solution is that it requires a wide ditch and must be laid on a level surface. Consequently, this solution entails major interventions in nature and large expenses.
    Due to this reason, water and sewage pipes are often drawn in separate insulated pipes together with the protective loop, which is illustrated in Fig. 2. A water or sewage pipe is here laid next to a heating pipe 3. All this is included inside an outer casing 9 which is filled with a suitable insulating material 1D, preferably an expanded polymeric material, such as e.g. polystyrene or polyurethane foam. Senna solution allows greater freedom to draw pipes, includes fewer interventions in nature and less work and costs to lay. If it is possible to develop permitted solutions, water and wastewater can also be laid in combined pipes.
    权利要求:
    Claims (1)
    [1]
    A system for preventing freezing in water and sewage pipes, comprising a second fluid-conducting loop (3), which is thermally connected to a water pipe (5) and supplies heat thereto, characterized by which is on one side connected to a first fluid conduit loop (2) which collects heat from air, water or ground, and which on the other side is connected to the second fluid conductive loop (3) which passes from the heat pump (f) via a drain pipe. (4), wherein the second hose (3) is thermally connected to the drain line (4) and collects or delivers heat from it and wherein the second hose (3) continues via the water pipeline (5) and back to the heat pump (1). . A system according to claim 1, wherein the second loop (3) contains water with added antifreeze component. . A system according to claim 1, wherein the first loop (2) comprises drilling needle drilled in bedrock. A sister according to claim 1, wherein the avio conduit (4) and the second loop (3) are laid close to each other inside an outer casing (9) and wherein the space between the water pipe, the second loop and the casing is filled with an insulating material (10). A system according to claim 1, wherein the drain line (4), water pipes: (5) and the second loop (3) are laid in an insulating container (6) with an insulating lid (7) and wherein the box is filled with gravel (8 ).
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    同族专利:
    公开号 | 公开日
    FI124915B|2015-03-31|
    FI20125646A|2012-12-18|
    NO20110875A1|2012-12-18|
    NO333639B1|2013-07-29|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    AU201812428S|2017-11-02|2018-05-17|Tomra Systems Asa|Panel for a reverse vending machine|
    法律状态:
    2016-11-01| NAV| Patent application has lapsed|
    优先权:
    申请号 | 申请日 | 专利标题
    NO20110875A|NO333639B1|2011-06-17|2011-06-17|Frost protection system for water and sewer lines|
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