Treatment device for preventing sedimentation damage of vertical pipeline

Abstract

The utility model discloses a treatment device for preventing sedimentation damage of a vertical pipeline, which comprises a sub-catchment device, a horizontal water supply and return pipeline and a vertical water supply and return pipeline, and the sub-catchment device is connected with the horizontal water supply and return pipeline through the vertical water supply and return pipeline; the water dividing and collecting device is located in the inspection well, the horizontal water supply and return pipeline is located in a pipe ditch below the raft, and the vertical water supply and return pipeline is located between the lower elevation of the raft and the inspection well; an elastic assembly is arranged on the water dividing and collecting device and comprises a supporting plate, a screw rod and a spring, the supporting plate is connected with one side of the water dividing and collecting device, the screw rod is connected with the supporting plate, and the spring is arranged on the screw rod in a sleeving mode. The problem that pipeline joints are broken due to external force is solved; the pipeline quality reliability is improved, the investment is less, the benefit is obvious, and the later operation and maintenance cost is greatly reduced.

Description

Technical Field

[0001] This utility model relates to the field of renewable energy technology for ground source heat pump heat exchange systems, and in particular to a treatment device for preventing settlement damage to vertical pipes. Background Technology

[0002] In the context of dual carbon emissions, renewable energy is receiving increasing attention, and its application scope is expanding with continuous technological development and innovation. National policies and promotion encourage the development of clean energy, and in the field of heating / cooling systems, shallow geothermal energy-soil source heat pump systems are gaining popularity due to their unique characteristics. The scientific and rational design and installation of pipelines play a crucial role in future performance and maintenance costs.

[0003] In the current stage of urban development, land resources are scarce. Efficiently and multidimensionally utilizing limited underground space to maximize its function, value, and role is key to solving this problem. However, with the development and innovation of new technologies, some new problems have also arisen, such as sudden ruptures of pipes or connection nodes due to thermal expansion and contraction, uneven settlement, excessive stress concentration, and large differences in pipe elevation, causing considerable inconvenience to users. Therefore, a new design and construction approach is proposed, particularly suitable for the installation and protection of pipes under building raft foundations. Utility Model Content

[0004] To address the shortcomings mentioned above, this utility model provides a treatment device for preventing settlement and damage to vertical pipelines.

[0005] To achieve the above objectives, this utility model provides a treatment device for preventing settlement damage to vertical pipes, including a water distribution manifold, a horizontal supply and return water pipe, and a vertical supply and return water pipe, wherein the water distribution manifold is connected to the horizontal supply and return water pipe through the vertical supply and return water pipe;

[0006] The water manifold is provided with an elastic component on one side of the vertical supply and return water pipe. The elastic component includes a support plate, a screw, and a spring. The support plate is connected to one side of the water manifold, the screw is connected to the support plate, and the spring is sleeved on the screw.

[0007] Preferably, the elastic component further includes a nut, which is fitted onto the screw and the spring is located below the nut.

[0008] Preferably, the elastic component further includes a base and a pre-embedded steel plate disposed on the base, one end of the screw is connected to the support plate and the other end is connected to the base, and the steel plate is used to fix the spring.

[0009] Preferably, both the horizontal supply and return water pipes and the vertical supply and return water pipes are equipped with protective sleeves.

[0010] Preferably, the water distributor is equipped with an electrofusion ball valve.

[0011] Preferably, the water distributor is located in the inspection well.

[0012] Preferably, the horizontal supply and return water pipes are located in the trench under the raft, and the vertical supply and return water pipes are located between the raft elevation and the inspection well.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0014] This invention solves the problem of pipeline joints breaking due to external forces; it improves the reliability of pipeline quality, requires less investment, yields significant benefits, and greatly reduces subsequent operation and maintenance costs; the installation procedure is simple and easy to understand, the construction process is simple and feasible, and it does not occupy other space. Attached Figure Description

[0015] Figure 1 This is a structural diagram of the present invention;

[0016] Figure 2 This is a partial elevation sectional view of the pipeline of this utility model;

[0017] Figure 3 yes Figure 2 A magnified view of a certain part of the image. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0019] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0020] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0021] The following is in conjunction with the appendix Figure 1-3 The present invention will be described in further detail as follows:

[0022] This utility model provides a treatment device for preventing settlement damage to vertical pipelines, including a water distribution manifold 3, a horizontal supply and return water pipeline 4, and a vertical supply and return water pipeline 5. The water distribution manifold 3 is connected to the horizontal supply and return water pipeline 4 through the vertical supply and return water pipeline 5. The water distribution manifold 3 is located in the inspection well 2, and an electrofusion ball valve 14 is provided on the water distribution manifold 3.

[0023] Reference Figure 2 The horizontal supply and return water pipe 4 is located in the pipe trench under the raft, and the vertical supply and return water pipe 5 is located between the raft elevation and the inspection well.

[0024] Reference Figure 3 The manifold 3 is equipped with an elastic component, which includes a support plate 8, a screw 7, and a spring 10. The support plate 8 is connected to one side of the manifold 3, the screw 7 is connected to the support plate 8, and the spring 10 is sleeved on the screw 7. The elastic component also includes a nut 9, which is sleeved on the screw 7, with the spring 10 located below the nut 9. The elastic component also includes a base 13 and a pre-embedded steel plate 11 on the base 13. One end of the screw 7 is connected to the support plate 8, and the other end is connected to the base 13. The steel plate 11 is used to fix the spring 10.

[0025] In this embodiment, protective sleeves 6 are provided on both the horizontal supply and return water pipes 4 and the vertical supply and return water pipes 5.

[0026] Specifically, basement or foundation raft slab 1: The design of underground raft slab structures is generally a reinforced concrete structure, such as basement slabs, foundations, etc.

[0027] Inspection well 2: A collection chamber for the manifold and pipes, serving to protect the manifold and facilitate maintenance;

[0028] Manifold 3: The main water supply (manifold) and main water collection (collector) for each heat exchange subsystem;

[0029] Horizontal supply and return water pipe 4: Horizontal supply and return water pipe located in the pipe trench under the raft slab;

[0030] Vertical water supply and return pipeline 5: Vertical water supply and return pipeline between the lower elevation of the raft and the inspection well;

[0031] Protective sleeve 6: The outer protective pipe (such as steel pipe or plastic pipe) of the heat exchange supply / return water pipeline of the protective subsystem, forming a certain cavity in the middle, which can achieve a buffering effect and protect the pipeline when the main structure sinks;

[0032] Screw 7: Fixes the spring and supports the water distribution manifold plate component. Together with screws 8, 9, 10, 11, and 12, it forms a support device and is fixed to the base 13.

[0033] Support plate 8: Supports the water distribution components, consisting of two parts that are firmly welded together, with a flat plate at the bottom and a semi-circular plate at the top;

[0034] Nut 9: Before installing the manifold, adjust the balance and height of the four nuts, and then securely place the manifold.

[0035] Spring 10: Adjustable and telescopic device; the spring is compressed when the pipeline settles to protect the pipeline.

[0036] 11: A steel plate of appropriate size is embedded in the upper surface of the lower base to fix the spring telescopic screw mechanism, and together with 12, they form an embedded device.

[0037] Pre-embedded anchor bolt 12: Fixes the pre-embedded steel plate to the upper surface of the base;

[0038] Manifold base 13: Supports the spring telescopic mechanism and the manifold base;

[0039] Electrofusion ball valve 14: The control valve between each branch and the manifold, requiring electrofusion material;

[0040] Manhole 15: Inspection hole for valve inspection wells, mainly used for ventilation and personnel access for inspection;

[0041] Natural or designed ground level 16: Natural ground or designed ground level, such as green belts, roads, etc.;

[0042] 17. Backfill material for the upper layer of the raft foundation trench: The appropriate material can be selected according to the ground water level and the bearing capacity requirements of the foundation structure, such as graded sand and gravel, rammed earth, and original soil.

[0043] 18. Backfill material in the lower layer of the raft foundation trench: Requirements (such as fine sand, coarse sand, sandy soil) should contain few impurities. It should mainly protect the pipeline and prevent other hard debris from damaging the pipeline. It can also buffer and protect the pipeline when the main structure settles.

[0044] 19: The boundary line between the upper and lower layers of backfill material in the trench under the raft foundation: Generally, the design requires that the backfill materials in the trench have different functions, so the materials used are also different, that is, the interface between different materials;

[0045] 20: The elevation of the bottom surface of the horizontal trench under the raft slab.

[0046] The process steps of the device in this application include:

[0047] Backfill material is laid in the lower layer of the pipe trench: the thickness is as required by the design, such as fine sand, coarse sand, sandy soil, etc.

[0048] Laying water supply and return pipes (HDPE high-density polyethylene): Horizontal and vertical sections (the upper pipe opening needs to be temporarily sealed) are laid out and cut according to the actual length designed for construction;

[0049] Protective sleeve installation: The horizontal and vertical sections (which should extend into the inspection well and be about 10cm higher than the bottom surface of the base plate) of the protective sleeve should be pre-installed, and the elbow joints should be temporarily reserved for later installation.

[0050] Pipeline heat fusion butt connection: After the protective sleeve is installed, the pipe elbow joint nodes in the pipe trench are heat fused together;

[0051] Water pressure test: All supply and return water pipes of a subsystem are installed and pass the water pressure test;

[0052] Elbow joint protection: Install protective sleeves on elbows;

[0053] Adjust the vertical pipe spacing: Fix and adjust the vertical pipe spacing according to the design requirements, and match it with the spacing and position of the branch pipe outlet of the manifold. Use soft material to temporarily seal the gap between the protective sleeve and the supply and return water pipes.

[0054] Backfilling around vertical pipes: Backfill around the vertical pipes according to design requirements and compact it;

[0055] Manhole installation: Construct or prefabricate according to design requirements, and install the base;

[0056] Spring device installation: Install the four sets of spring devices on the base inside the inspection well, and make sure they are secure and reliable; make the adjusting bolts of the spring devices 2-3cm higher than the free extension and contraction of the springs, and level, fix and lock them.

[0057] Depressurize and drain water: Depressurize the vertical water supply and return pipes in the inspection well until the water level is more than 1m below the pipe opening;

[0058] Adjust pipe height: Align the ends of the supply and return water pipes to be level and keep them on the same horizontal plane;

[0059] Manifold fabrication: Made to order or on-site, strictly according to design requirements;

[0060] Manifold installation: Place the properly made manifold on the spring device, with the branch pipe outlet facing downwards and temporarily secure it;

[0061] Pipeline electrofusion connection: After all the supply and return water pipeline branches are connected to the manifold branch pipe electrofusion valves, the electrofusion operation is carried out after the inspection is completed and there are no errors.

[0062] Water pressure test: After all the piping of a system is installed, a water pressure test is conducted, and the system is maintained after passing the test.

[0063] Adjust the spring device: Loosen the adjusting bolts on the spring device so that the manifold and spring are in their natural state;

[0064] Settlement: When the lower horizontal pipe settles, the manifold of the vertical pipe will settle simultaneously, with a spring device for protection and buffering.

[0065] All other subsystem water supply and return pipelines shall be constructed in accordance with the above procedures and processes until all are completed;

[0066] Main pipeline installation: After all subsystem inspection wells are installed, the main pipeline can be installed.

[0067] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A device for preventing settlement damage to vertical pipelines, characterized in that, It includes a water manifold, horizontal supply and return water pipes, and vertical supply and return water pipes, wherein the water manifold is connected to the horizontal supply and return water pipes through the vertical supply and return water pipes; The water manifold is provided with an elastic component on one side of the vertical supply and return water pipe. The elastic component includes a support plate, a screw, and a spring. The support plate is connected to one side of the water manifold, the screw is connected to the support plate, and the spring is sleeved on the screw.

2. The treatment device for preventing settlement damage to vertical pipelines as described in claim 1, characterized in that, The elastic component also includes a nut, which is fitted onto the screw and the spring is located below the nut.

3. The treatment device for preventing settlement and damage to vertical pipelines as described in claim 2, characterized in that, The elastic component also includes a base and a pre-embedded steel plate on the base. One end of the screw is connected to the support plate and the other end is connected to the base. The steel plate is used to fix the spring.

4. The treatment device for preventing settlement damage to vertical pipelines as described in claim 3, characterized in that, Both the horizontal and vertical water supply and return pipes are equipped with protective sleeves.

5. The treatment device for preventing settlement damage to vertical pipelines as described in claim 4, characterized in that, The water manifold is equipped with an electrofusion ball valve.

6. The treatment device for preventing settlement damage to vertical pipelines as described in claim 5, characterized in that, The water distribution device is located in the inspection well.

7. The treatment device for preventing settlement damage to vertical pipelines as described in claim 6, characterized in that, The horizontal water supply and return pipes are located in the trench under the raft, and the vertical water supply and return pipes are located between the raft elevation and the inspection well.

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