• 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:
    The system for removing water from a water reservoir, with a removal system having a pipe (1.1, 1.2, 1.3, 7) whose water removal point (2) is arranged in the water reservoir is characterized in that the removal system is depth adjustable, wherein the Pipe (1.1, 1.2, 1.3) is sufficiently flexible to change the depth of the water removal point (2) and wherein the extraction system comprises means for adjusting the amount of water removal.
    公开号:CH715044A2
    申请号:CH6872019
    申请日:2019-05-27
    公开日:2019-11-29
    发明作者:Hericks Peter；Holy Andreas
    申请人:H2U Aqua Plan Ing Gmbh；
    IPC主号:
    专利说明:

    Description: The invention relates to a system for removing water from a water reservoir, with a removal system which has a pipeline (1.1, 1.2, 1.3, 7), the water removal point (2) of which is arranged in the water reservoir.
    PRIOR ART Various systems have been established for removing water from surface waters (e.g. lakes, reservoirs, rivers, other water reservoirs or also from seas and oceans) in order to optimize water quality and operation and to simplify maintenance work. The functionality of a water extraction system can be assessed by the following factors:
    - Height adjustability: Possibility to take raw water from the best quality water layer. The water quality changes in surface waters, especially in lakes and dams, in the vertical profile. Due to rain events, particles, turbidity, microorganisms or other substances may get into the water. Due to the prevailing hydrodynamic conditions, these occur at different intensities in their temporal and local course. Also in the course of the season, the water quality in the different water layers changes due to temperature fluctuations, solar radiation and wind. At the bottom of the lake in particular, the oxygen concentration can drop sharply due to microbiological degradation processes. Due to the anoxic condition, different substances can be reduced, which are mostly in dissolved form in the water. This applies in particular to manganese, which must be removed in a separate process step in the case of drinking water treatment in order to protect other system components.
    Another advantage of a height adjustability is access to the sampling line. The lower the tapping point, the more difficult maintenance and cleaning work is. If the sampling line can be raised to the surface of the water, work on the sampling line can be carried out there.
    - Cleaning and maintenance of the sampling strainer: The sampling lines are often equipped with a sampling strainer / basket at the inlet point for the water. This colander is used to prevent larger particles and fish and other animals from entering the extraction line. The extraction strainer / basket must be checked and cleaned regularly. Access to the removal strainer / removal basket becomes more difficult with increasing depth and may have to be done with divers or diving robots, which brings with it physiological and technical difficulties and thus high costs. If, on the other hand, there is the possibility of lifting the sampling strainer / basket to the water surface, inspection, maintenance and also the replacement of the sampling strainer / basket are significantly simplified.
    - Possibility of pigging: sampling lines must be pigged or otherwise cleaned due to deposits on the inner pipe walls. Pigging is the displacement of a pipe's content by means of a body (pig) inserted into the pipe with the aim of cleaning the pipe. The pig is pushed through the pipeline with a liquid. Pipes that are as straight as possible are particularly suitable for pigging without narrow pipe bends or other internals that change the diameter of the pipe. If a pre-filter or a strainer is used, it must be removed to pig the pipeline. The disassembly of the collection strainer / collection basket is significantly simplified with a height-adjustable extraction line that can be raised to the water surface. In addition, the pigging material (residues removed from the pipeline) and the pig can be recovered on the water surface.
    - Structural complexity and costs: all additional structures and movable structures cause additional planning, construction and maintenance costs. However, these should not outweigh the benefits of the additional effort.
    - Corrosion: Sampling lines must be corrosion-resistant to the quality of the water passed through.
    Despite some advantages of the various established systems, these are accompanied by disadvantages, which are listed below.
    Extraction tower at a fixed depth:
    - No possibility to adjust the raw water withdrawal from the best quality water layer.
    - Maintenance and cleaning work must be carried out at the extraction depth. For this, divers or diving robots have to be used, which brings with it physiological and technical difficulties and causes high costs.
    - Pigging not possible up to the colander or the extraction strainer must be dismantled beforehand.
    Extraction tower as a building:
    - No infinitely adjustable removal depth.
    - Cleaning the collection strainer is difficult.
    - Pigging not possible up to the colander or the extraction strainer must be dismantled beforehand.
    - Erection of the structure on the water bed is cost-intensive.
    [0007] Variable removal arm with joint:
    CH 715 044 A2
    - Complex construction using joints or compensators.
    - A complex lifting device must be installed.
    - The range of depth adjustability is limited. The larger the available area, the larger and more complex the lifting device must be designed.
    - Not piggable.
    - Increased hydraulic resistance due to changes in flow direction and compensators.
    - Very high cost.
    OBJECT AND SOLUTION OF THE INVENTION Object of the invention: The above-mentioned disadvantages of the prior art are to be avoided. In particular, it should be possible to continuously adjust the extraction depth at low cost and to raise the extraction point for maintenance and cleaning work to the water surface.
    This object is achieved according to the invention in a system for removing water from a water reservoir of the type mentioned at the outset in that the removal system is adjustable in depth, the pipeline (1.1, 1.2, 1.3) being sufficiently flexible to adjust the depth of the water removal point ( 2) to be able to change and wherein the extraction system has a device for adjusting the amount of water withdrawal.
    Among others, the following advantages are achieved:
    1) The amount of water withdrawal is infinitely adjustable so that it can be extracted from the best quality water layer.
    Due to the design of the pipeline from a flexible material, the depth of the removal point can be adjusted with the aid of one or more sinking bodies and / or buoyancy bodies. The sinking bodies and / or buoyancy bodies are not absolutely necessary if the specific weight of the pipe material is so low that the line floats by itself even when filled.
    In order to control the buoyancy of the pipeline, one or more buoyancy bodies can be filled with air or a gas or flooded with water (or another liquid).
    The sinker or sinkers are attached to the extraction line. One or more support points are optionally placed on the bottom, which are connected to the pipeline, for example with a rope, with which the depth of the removal point can be adjusted via a winch.
    2) Easy maintenance and cleaning on the water surface: With advantage 1 mentioned above, the removal area can be set so that the removal opening of the pipeline reaches the water surface. All maintenance and cleaning work can be carried out with the help of, for example, a boat or a floating platform.
    If an extraction strainer / extraction basket is installed on the extraction line, it can be checked and / or cleaned / flushed on the water surface or at a shallow depth.
    By filling the entire extraction line with air or another gas, the line can be raised over the entire length to the water surface, e.g. To carry out repair measures.
    3) The water extraction line is piggable: With the advantage 2 mentioned above, the pipeline can be raised to the water surface. An optionally installed strainer / strainer can be easily removed there, so that there is free access to the entire pipe cross-section. This is a prerequisite that the pipeline must be piggable throughout. There is also the possibility of collecting the pigging pig and the newt on the water surface.
    Since no elbows or angles have to be installed in the pipeline and the pipeline is made from one piece or is welded, the line is very suitable for cleaning by pigs.
    4) Simple and inexpensive construction of the system: By designing the sampling line from a flexible material and a system for depth adjustment (e.g. via a cable system with one or more stopping points and one or more optional buoyancy and sinking bodies), no complex structures or mechanical Lifting devices needed. Construction measures are e.g. limited on an optional fixation of a guide or control cable at the bottom of the water.
    5) Consistently low hydraulic resistance: Since no elbows or angles have to be installed in the pipeline, the hydraulic resistance is limited to the required minimum. changes in direction
    CH 715 044 A2 only experiences the pipeline through its bend with a correspondingly large radius, as a result of which the flow is influenced only very slightly.
    Furthermore, the hydraulic resistance is minimized if the pipeline is made from one piece or welded and the welding beads are subsequently removed. This avoids flow shadows, which prevents the deposition of dirt, shells, microorganisms or the like. These deposits or deposits would further increase hydraulic resistance. The execution of a pipe material that is as smooth as possible also reduces the accumulation of particles or organisms. Both the removal of the welding beads and the execution of the pipeline from a smooth material optimize the hydraulic flow conditions and reduce the pressure loss.
    To further minimize the deposition of particles and the growth by organisms and thus the maintenance of a low hydraulic resistance, a metering line with a smaller diameter can be run parallel to the sampling line as a further part of the system, which opens directly behind the sampling point in the sampling line. From the bank, a dosing agent can be continuously dosed directly at the inlet area, which reduces or prevents contamination or fouling of the line (conditioning).
    In addition, for the shock treatment of the pipeline with chemicals, another pipeline can be carried, which also has a smaller diameter than the extraction line. For this operating state, the removal opening must be closed manually or automatically, so that a cleaning agent can be circulated through both pipes using a pump. The used solution, including dirt, can be collected on the bank and treated accordingly.
    To protect the water, media lines can be designed as double-walled lines if the dosing agent is a water-polluting substance.
    6) A very good combination with other methods for protecting the pipeline is possible (e.g. conditioning of the water by dosing, circuit cleaning).
    The inventor has overcome the following technical difficulties in an obvious manner in the development of the system according to the invention.
    Various materials are used in pipeline construction, including metallic materials, plastics and composites. Some materials and material compositions are characterized by the fact that they are very flexible in their form. Therefore, these pipes can be bent reversibly over a certain radius without being damaged. This property is often used in underground pipeline construction in order to run pipeline routes without additional elbows.
    A special feature of this invention is the utilization of the flexible piping material for another purpose, namely in order to achieve permanent mobility of the pipeline, unlike in underground pipeline construction. As a result, moving parts such as joints and compensators, as would be the case with a rigid version, are not required. The flexible pipeline as a whole has sufficient flexibility to be designed as a depth-adjustable water extraction system.
    To adjust the extraction depth, a system was designed instead of a complex and costly lifting structure, which adjusts the specific weight of the pipeline and thus regulates the buoyancy. For this purpose, a buoyancy body can be used, which is filled with air or another gas, which reduces the specific weight and thus conveys the extraction line towards the water surface. If a pipe material is selected that has a lower specific weight than water, a buoyancy element is optional.
    To lower the line and to fix its position, a system can be used in which there is an anchorage at the bottom of the water and is connected via a deflection roller at the extraction point to a cable winch at a fixed location at the other end of the extraction line. This means that the length of the rope between the point of extraction and anchoring to the bottom and thus the depth of extraction can be adjusted.
    A fixation of the line area, which should not be raised in normal operation, takes place at the bottom of the water reservoir e.g. about appropriate weights. These and the optional anchoring prevent the position of the line from being significantly changed by currents.
    Advantageous embodiments of the invention are set out in the subclaims.
    It is also proposed that
    that a pipeline material is used which has a lower specific weight than water, so that a buoyancy body is optional,
    that a system is used to lower the line and to fix its position, in which there is an anchorage at the bottom of the water and is connected to a cable winch at a fixed location at the other end of the extraction line via a deflection roller at the extraction point,
    CH 715 044 A2
    - That the pipeline area, which should not be raised during normal operation, be fixed to the bottom of the water reservoir e.g. via appropriate weights and / or the optional anchoring.
    Exemplary embodiments [0029] Several exemplary embodiments of the invention are described in more detail below with reference to drawings. In all drawings, the same reference symbols have the same meaning and are therefore only explained once, if appropriate.
    It shows
    1 is a complete view of the water extraction system with extraction structure on the bank,
    2 shows a detailed view of the extraction line according to FIG. 1 in the extraction operation,
    3 shows a detailed view of the removal point in a first exemplary embodiment with an optional sink body / buoyancy body (optional solution for changing the buoyancy),
    Fig. 4 is a detailed view of the removal point in a second embodiment with a cable winch (optional solution for adjusting the removal depth) and
    Fig. 5 is a detailed view of the sampling line in a further embodiment in the circulation mode (optional solution).
    The structure and the method of operation of the system according to the invention for removing water from a water reservoir are explained in detail below:
    The water extraction line 1 is shown in Fig. 1 and in Fig. 2 in three different positions, which manifests itself in the fact that the water extraction points are each at a different depth. Basically, all positions within the two limit positions 1.1 and 1.3 are conceivable, which distinguishes the infinitely adjustable water extraction system. It is thus possible to raise the water extraction point 2 to the water surface 10 and to carry out maintenance and cleaning work there.
    At the withdrawal point strainers or filter systems are mostly used, which must be regularly checked, cleaned and replaced if necessary. Inspection, cleaning and replacement are significantly simplified if the sampling point is raised to the surface of the water.
    At the withdrawal point, backwashable filter systems can also be used, which are bound to shallow water depths in backwashing operation. These can be used without problems in connection with the present invention.
    In practice, pigs are used to clean the inside of the pipeline, which need a free pipe cross-section. Since strainers or filter systems are mostly used at the extraction point, this free cross-section is initially not available. However, if the extraction point can be raised to the water surface, as in the example, the strainer or filter can be removed there relatively easily. This means that the extraction line can be pigged continuously and the pigging can be collected as required.
    In addition, the system can be adapted so that the raw water extraction takes place in the qualitatively best water layer.
    To adjust the removal depth, a rope 3 is used in this embodiment, which is fixed to the bottom (depending on the nature) or in a foundation by a rope anchor 4. If the rope length is shortened, the sampling point moves downwards, if the rope length is extended, the sampling line can move upwards. Depending on the choice of the pipeline material and its specific weight, the line floats on its own when filled. The buoyancy of the line can also be controlled via a sinker / buoyancy body, which is either filled with air / gas or flooded with water.
    In the case of pipeline material with a lower specific weight than water, a buoyancy body is optional, but is recommended. Thus, even in the case of deposits, shell growth or other incidents which increase the specific weight of the line, there is the possibility of moving the line to the water surface 10.
    Furthermore, in this example, only the front part of the extraction line is movable, the upper part is usually below the water surface. This can be achieved with one or more anchors or weights 5 of the upper, immovable section 7. The location of the anchoring results from the maximum bending radius of the pipeline. The aim is that the freely movable pipe section can be bent so far that the depth of extraction between the bottom and the water surface can be freely adjusted without excessively bending the pipe. These anchors, which separate the movable and the immovable pipe section from one another, can either be fixed in the bottom of the water or on weights, for example concrete bodies. The mass of the weights should be chosen in this way
    CH 715 044 A2 that the pipeline floats on the water surface when it is filled with air. This means that the line can be checked, serviced, repaired and modified without using a diver or using a diving robot.
    At the top of the pipeline there is an extraction structure 8, e.g. with a pressure booster system that promotes the flow of raw water.
    3 shows the front part of the extraction line, that is to say the extraction point 2, in detail. In the example, no extraction strainer or a pre-filter system was shown, which, however, is recommended depending on the nature of the raw water. The optional rope 3 is fixed to the base or to a foundation, possibly connected via a rope guide 11 to a deflection roller 12 fixed to the pipeline. The rope then runs parallel to the sampling line. For further rope guidance, the rope can be guided in a further pipeline 13 with a corresponding diameter. This pipeline can also be used to fill the float with gas (e.g. compressed air). For this purpose, the deflection roller 12 is positioned in the buoyancy container 14. The pipe 13 thus ends directly in the buoyancy tank, the rope is deflected down there. The gas supply to the buoyancy tank can optionally also be carried out separately. Due to the pressure-dependent volume of the gas in the buoyancy tank, passive pressure equalization should be possible. All that is needed is an opening at the bottom of the buoyancy tank, which allows the expanding gas to escape while the pipeline is being lifted. A preventive measure can be metered through the optional metering line 18 in order to reduce or prevent the growth of organisms within the line. The dosing line opens directly behind the tapping point into the tapping line.
    Fig. 4 shows the upper end of the pipe for the optional cable guide and the optional compressed air 13, this upper end of the pipe should be above the water surface. At the end of the pipeline there is the optional compressed air connection 15 and an optional stuffing box 16 in order to prevent air from escaping from this end of the pipeline. From there, the rope length and thus the removal depth can be adjusted using the optional winch 8.
    Optionally, the possibility of a cycle operation for intensive cleaning of the extraction pipeline can be provided. For this purpose, a circulation line 17 is installed in parallel to the extraction line. In order to set a circulation operation, as shown in FIG. 5, the extraction line is first raised to the water surface. In order to connect the pipeline ends of the sampling line and the circulation line, the sampling strainer may first be removed and then a fitting 20 connected (e.g. flanged). On the bank, the other two ends of the pipelines are also connected to one another, and a pump is used to set a closed-loop operation and meter a cleaning solution into the pipeline. During the cycle operation, the cleaning solution is distributed in the pipes, which, for example, dissolves organic and inorganic growth and combats other organisms. The used cleaning solution including dirt load can be rinsed out after cleaning and collected on the bank and treated according to the requirements.
    Comparative example: State-of-the-art system:
    [0045] An example of a water extraction line from the prior art would be a regular line with a fixed extraction depth. This pipeline has no moving parts and is therefore also comparatively low in terms of your investment costs, but has the disadvantage that maintenance and cleaning work on the normally required removal screens / baskets must be carried out by divers or diving robots. Especially at depths above 30 meters, there are physiological difficulties, which makes working under water risky and very costly. Automatically backwashable filter systems can generally only be used in a shallow water depth of up to 20 m in a technically and economically sensible manner.
    In summary, the most important special features and advantages of the system according to the invention are as follows:
    - Cost savings
    - Different withdrawal depths possible (infinitely)
    - Removal point can be moved to the surface
    - Continuous line without narrow pipe bends and with a constant diameter (without beads) very well suited for pigs
    - Pigs can be removed from the water surface
    - Collection of pigging on ship possible (if required)
    - If necessary, the entire line can be raised to the water level (by filling the line with air) e.g. for repairs
    - No corrosion when running in polyethylene or materials with similar properties
    - With a suitable choice of material, smooth surface (avoids build-up) with a version in polyethylene or materials with similar properties.
    Reference symbol list [0047]
    1.1 Water withdrawal line, movable section, positioned on the bottom
    CH 715 044 A2
    1.2 Water withdrawal line, movable section, raised
    1.3 Water extraction line, moving section, on the water surface
    Water withdrawal point (variable position)
    Rope (optional solution)
    Rope anchoring (optional solution)
    Anchoring the sampling line (optional solution)
    Withdrawal strainer / basket or filter system (optional solution)
    Water withdrawal pipe, immovable section
    Removal structure (optional solution)
    Cable winch (optional solution)
    water surface
    Rope guide (optional solution)
    Deflection roller (optional solution)
    Pipeline for cable routing and compressed air (optional solution)
    Buoyancy container (optional solution)
    Compressed air connection (optional solution)
    Stuffing box (optional solution) additional pipeline, circulation line (optional solution)
    Dosing line (optional solution)
    Dosing point (optional solution)
    Adapter for circulation operation (optional solution)
    权利要求:
    Claims (10)
    [1]
    claims
    1. Plant for the removal of water from a water reservoir, with a removal system which has a pipeline (1.1,1.2,1.3, 7) whose water removal point (2) is arranged in the water reservoir, characterized in that the removal system is adjustable in depth, the Pipe (1.1,1.2,1.3) is sufficiently flexible to be able to change the depth of the water extraction point (2) and the extraction system has a device for adjusting the height of the water extraction.
    [2]
    2. Installation according to claim 1, characterized in that the depth of the water withdrawal point (2) of the pipeline (1.1, 1.2, 1.3) between the bottom of the water reservoir and the water surface (10) is variable.
    [3]
    3. Plant according to claim 1, characterized in that the device for adjusting the amount of water withdrawal comprises one or more sinking bodies and / or buoyancy bodies (14) which are attached to the pipeline (1.1.1.2, 1.3).
    [4]
    4. Plant according to claim 3, characterized in that to control the buoyancy of the pipeline one or more buoyancy bodies (14) can be filled with air or a gas and / or can be flooded with water or another liquid.
    [5]
    5. Plant according to claim 1, characterized in that at the bottom one or more support points (4) are placed, which are connected to the pipeline (1.1, 1.2, 1.3), in particular with a rope (3) with which The depth of the removal point (2) can be adjusted via a winch (9).
    [6]
    6. Plant according to claim 1, characterized in that the water withdrawal point (2) is adjustable so that the discharge opening of the pipeline (1.1, 1.2, 1.3) reaches the water surface (10).
    [7]
    7. Plant according to claim 1, characterized in that the pipeline (1.1, 1.2, 1.3) is made in one piece.
    CH 715 044 A2
    [8]
    8. Plant according to claim 1, characterized in that a metering line (18) with a smaller diameter than the pipeline (1.1, 1.2, 1.3) and parallel to the pipeline (1.1, 1.2, 1.3) which is immediately behind the removal point ( 2) opens into the pipeline (1.1, 1.2, 1.3) and enables the metering of an agent, in particular to prevent or reduce growth.
    [9]
    9. Plant according to claim 8, characterized in that in addition a further pipeline (17) is carried, which also has a smaller diameter than the pipeline (1.1, 1.2, 1.3) and ends in a fitting (20) in order to a circulation operation enable.
    [10]
    10. Plant according to claim 8 or 9, characterized in that the metering line (18) and / or the additional pipe (17) are designed as double-walled lines.
    CH 715 044 A2

    CH 715 044 A2
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    同族专利:
    公开号 | 公开日
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    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    CH58605A|1912-01-02|1913-03-17|Karl Lemberg|System for the extraction of water from lakes etc.|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE102018112789.8A|DE102018112789A1|2018-05-29|2018-05-29|Depth-adjustable removal system for removing water from water reservoirs|
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