Treatment device for preventing sedimentation damage of vertical pipeline

By connecting the manifold to the vertical supply and return water pipes through bends, and by using electrofusion elbows and protective sleeves, the problem of vertical pipe rupture caused by thermal expansion and contraction and settlement was solved, which improved the reliability of the pipes, reduced the operation and maintenance costs, and simplified the construction process.

CN223635946UActive Publication Date: 2025-12-05CHINA ENERGY GREEN ENERGY TECH CO LTD
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Patent Information

Application Number
CN202423140593.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-19
Publication Date
2025-12-05
Estimated Expiration
2034-12-19

AI Technical Summary

Technical Problem

Existing vertical pipes are prone to cracking due to factors such as thermal expansion and contraction, uneven settlement, and stress concentration, causing inconvenience to users and resulting in complex construction and high operation and maintenance costs.

Method used

The system employs a manifold that connects to the vertical supply and return water pipes via a bend, utilizing electrofusion elbows. The manifold is mounted on a support plate, and the support plate is equipped with an electrofusion ball valve connected to an electrofusion elbow. The support plate also features electrofusion pipes and bends, including inclined branch pipes. These branch pipes connect to the manifold or vertical supply and return water pipes via heat-fused elbows. Horizontal supply and return water pipes are connected via protective sleeves and bends. The protective sleeves protect the pipes. The construction process is simple and easy to understand.

Benefits of technology

It solves the problem of pipeline joints breaking due to external forces, improves pipeline quality and reliability, reduces operation and maintenance costs, is easy to construct and saves space.

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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 distributing and collecting device is communicated with the vertical water supply and return pipeline through a bent pipeline, the bent pipeline comprises two branch pipelines which are obliquely connected, the branch pipelines are communicated through electric melting elbows, and the branch pipelines are respectively communicated with the water distributing and collecting device or the vertical water supply and return pipeline through hot melting elbows. 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.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the ground source heat pump heat exchange system renewable energy technology field especially, it relates to a vertical pipeline anti -settlement damage's processing apparatus. BACKGROUND

[0002] Under the background of double carbon, renewable energy is getting more and more attention, and its application space range is becoming more and more extensive with the continuous development, maturity and innovation of technology. In the field of heating / cooling system application, shallow geothermal energy-soil source heat pump system is favored due to its own characteristics. Whether the design and installation process of the pipeline is scientific and reasonable has an important effect on future use effect and operation cost.

[0003] At present, land resources are in short supply in urban development, and efficient, multi-dimensional use of limited underground space to maximize its function, value and role is the key to solving the problem. However, with the development and innovation of "four new technologies", some new problems have also arisen, such as sudden rupture of the pipeline or connecting node caused by thermal expansion and contraction, uneven settlement, excessive stress concentration, and large height difference of the pipeline, etc. which causes many troubles to the users. Therefore, a new design and construction idea is proposed, which is especially suitable for the installation and protection of the pipeline under the building raft. CONTENT OF THE UTILITY MODEL

[0004] In view of the deficiencies existing in the above problems, the utility model provides a vertical pipeline anti-settlement damage processing device.

[0005] In order to achieve the above purpose, the utility model provides a vertical pipeline anti-settlement damage processing device, which comprises a water distributor, a horizontal water supply and return pipeline and a vertical water supply and return pipeline, the water distributor is connected with the horizontal water supply and return pipeline through the vertical water supply and return pipeline;

[0006] Among them, the water distributor and the vertical water supply and return pipeline are communicated through a bent pipeline, the bent pipeline comprises two branch pipelines connected obliquely, the branch pipelines are communicated through a hot-melt elbow, and the branch pipelines are communicated with the water distributor or the vertical water supply and return pipeline through the hot-melt elbow respectively.

[0007] Preferably, the water distributor is located in the inspection well.

[0008] Preferably, the water distributor is located on the supporting plate, and the supporting plate is located on the base.

[0009] Preferably, the supporting plate comprises a flat plate and a semicircular plate, the semicircular plate is located on the flat plate, and the water distributor is located in the semicircular plate.

[0010] Preferably, a hot-melt ball valve is arranged on the water distributor.

[0011] Preferably, a protective sleeve is arranged on the horizontal water supply and return pipe and the vertical water supply and return pipe.

[0012] Preferably, the horizontal water supply and return pipe is arranged in a pipe trench under a raft, and the vertical water supply and return pipe is arranged between the raft and a manhole.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The utility model solves the problem of pipe node fracture caused by external force, improves the pipe quality reliability, has less investment, obvious benefits and greatly reduces the later operation and maintenance cost, and has simple and feasible installation process and construction technology without occupying other space. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a partial pipe elevation sectional view of the utility model;

[0016] Figure 2 is a partial pipe side sectional view of the utility model;

[0017] Figure 3 is Figure 2 a local enlarged view. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0019] In the description of the utility model, it should be explained that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0020] In the description of the utility model, still need to explain, unless another explicit provision and limitation, term '' install '' '' link '' '' connection '' should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be direct connection, also can be indirectly connected through intermediate medium, can be two element internal intercommunication. For ordinary skilled person in the art, can understand the specific meaning of above-mentioned term in the utility model with specific circumstances.

[0021] The following will be described in detail in combination with the accompanying drawings Figures 1-3 The utility model makes further detailed description:

[0022] Refer to Figure 1 The utility model provides a vertical pipeline prevents the processing device of settlement damage, including distribution water collector 1, horizontal water supply and return pipeline 5 and vertical water supply and return pipeline 4, distribution water collector 1 is connected with horizontal water supply and return pipeline 5 through vertical water supply and return pipeline 4;Distribution water collector 1 is located in inspection well 11, and distribution water collector 1 is equipped with electric melting ball valve 2.Both horizontal water supply and return pipeline 5 and vertical water supply and return pipeline 4 are equipped with protective sleeve.

[0023] Refer to Figures 2-3 Distribution water collector 1 and vertical water supply and return pipeline 4 are communicated through bent pipeline, and the bent pipeline includes two branch pipelines connected obliquely, and the branch pipelines are communicated through electric melting elbow c, and the branch pipelines are communicated with distribution water collector 1 or vertical water supply and return pipeline 4 through hot melting elbows a and b respectively.Distribution water collector 1 is located on supporting plate 9, and supporting plate 9 is located on base 3.Supporting plate 9 includes flat plate and semicircular plate, and the semicircular plate is located on the flat plate and distribution water collector 1 is located in the semicircular plate.Horizontal water supply and return pipeline 5 is located in the pipe ditch under raft, and the vertical water supply and return pipeline between inspection wells is marked to the height under raft.

[0024] In the embodiment, distribution water collector 1: total water supply (water distributor) and total water collection (water collector) of each heat exchange subsystem;

[0025] Hot melting ball valve 2: control valve between each branch and distribution water collector, and hot melting or electric melting material can be used;

[0026] Base 3: the foundation for fixing distribution water collector, and is built or prefabricated;

[0027] Vertical water supply and return pipeline 4: vertical water supply and return pipeline between inspection wells is marked to the height under raft;

[0028] Horizontal water supply and return pipeline 5: the water supply and return pipeline of subsystem under raft, and the water supply pipeline is from water distributor to vertical buried pipe heat exchanger, and the return pipeline is from water collector to vertical buried pipe heat exchanger;

[0029] Protective sleeve 6: the outer protective tube of the heat exchange water supply / return pipe of the subsystem (such as a steel tube or a plastic tube), which forms a certain cavity in the middle and can achieve a buffering effect when the main structure is sinking, and protects the pipe;

[0030] Upper backfill material 7 of the pipe trench under the raft: the appropriate material can be selected according to the water level of the stratum and the bearing capacity requirement of the foundation structure, such as graded sand and gravel, three-layer soil, and original soil;

[0031] Lower backfill material 8 of the pipe trench under the raft: the requirement (such as fine sand, coarse sand, and sandy soil) is to have less impurities, which mainly plays a role in protecting the pipe and preventing other hard impurities from damaging the pipe, and can also play a role in buffering and protecting the pipe when the main structure is sinking;

[0032] Support plate 9: supporting the water distribution component and being divided into two parts and firmly welded together, with a lower flat plate and an upper semicircular plate;

[0033] Natural or designed ground level 10: a natural ground or a designed ground level, such as a green belt or a road;

[0034] Valve inspection well 11: a collection well for the water distributor and the pipe, which plays a role in protecting the water distributor and facilitating maintenance;

[0035] Basement outer wall 12: the outer vertical surface of the wall of the underground main structure;

[0036] Interface line 13 between the upper and lower backfill materials of the pipe trench under the raft: generally, the pipe trench backfill materials are designed to have different functions, and different materials are used, that is, the interface between different materials;

[0037] Bottom 14 of the pipe trench under the raft: the bottom surface elevation of the horizontal pipe trench under the raft.

[0038] Hot-melt elbow a and b: together with c and part of the pipe, they form a telescopic device, and the two elbows are installed before the electric melting elbow c;

[0039] Electric melting elbow c: after the installation of the elbows a and b is completed, the elbow c is installed to connect the water supply and return pipes.

[0040] The construction process of the present application includes:

[0041] Lower layer of the pipe trench is laid with backfill material: the thickness is designed according to the requirements, such as fine sand, coarse sand, and sandy soil;

[0042] Laying the water supply and return pipes (HDPE high-density polyethylene): the horizontal and vertical sections (the upper end of the pipe needs to be temporarily closed) are laid out according to the actual length of the design construction and are cut to size;

[0043] Installation of the protective sleeve: the protective sleeve of the horizontal and vertical sections (which should extend into the inspection well and be about 10 cm higher than the inner bottom surface of the bottom plate) is pre-installed, and the elbow interface is temporarily reserved for later installation;

[0044] Pipeline heat fusion butt connection: After the protective sleeve is installed, the pipe elbow joint nodes in the pipe trench are heat fused together;

[0045] Water pressure test: All supply and return water pipes of a subsystem are installed and pass the water pressure test;

[0046] Elbow joint protection: Install protective sleeves on elbows;

[0047] 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.

[0048] Backfilling around vertical pipes: Backfill around the vertical pipes according to design requirements and compact it;

[0049] Manhole installation: Construct or prefabricate according to design requirements, and install the base;

[0050] 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;

[0051] Adjust pipe height: Align the ends of the supply and return water pipes to be level and keep them on the same horizontal plane;

[0052] Manifold fabrication: Made to order or on-site, strictly according to design requirements;

[0053] Manifold installation: Place the properly made manifold on the base, with the branch pipe outlet facing downwards and fix it in place;

[0054] Pipeline heat fusion connection: Each supply and return water pipeline branch is heat fused to the branch valve of the manifold;

[0055] Electrofusion elbow installation: Electrofusion elbows are installed last, after all other pipes and fittings have been installed.

[0056] 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.

[0057] Settlement: When the lower horizontal and vertical pipes settle, the gentle bending device located below the manifold will expand and contract simultaneously to buffer the flow and prevent the pipes from breaking.

[0058] All other subsystem water supply and return pipelines shall be constructed in accordance with the above procedures and processes until all are completed;

[0059] Main pipeline installation: After all subsystem inspection wells are installed, the main pipeline can be installed.

[0060] The above merely is preferred embodiment of the present utility model, and is not for limiting the present utility model, for the person skilled in the art, the present utility model can have various changes and changes. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A treatment device for preventing sedimentation damage in vertical pipes, characterized by, The water distribution system comprises a water distribution tank, a horizontal water supply and return pipeline and a vertical water supply and return pipeline, wherein the water distribution tank is connected with the horizontal water supply and return pipeline through the vertical water supply and return pipeline. The water distribution tank is connected with the vertical water supply and return pipeline through a bent pipeline, wherein the bent pipeline comprises two branch pipelines connected in an inclined manner, the branch pipelines are connected through a hot-melt elbow, and the branch pipelines are connected with the water distribution tank or the vertical water supply and return pipeline through the hot-melt elbow.

2. The vertical pipe settlement-preventing treatment apparatus according to claim 1, wherein The water distribution tank is located in a manhole.

3. The vertical pipe settlement-preventing treatment apparatus according to claim 2, wherein The water distribution tank is located on a supporting plate, and the supporting plate is located on a base.

4. The vertical pipe settlement-preventing treatment apparatus according to claim 3, wherein The supporting plate comprises a flat plate and a semicircular plate, the semicircular plate is located on the flat plate, and the water distribution tank is located in the semicircular plate.

5. The vertical pipe settlement-preventing treatment apparatus according to claim 4, wherein A hot-melt ball valve is arranged on the water distribution tank.

6. The vertical pipe settlement-preventing treatment apparatus according to claim 5, wherein Protective sleeves are arranged on the horizontal water supply and return pipeline and the vertical water supply and return pipeline.

7. The vertical pipe settlement-preventing treatment apparatus according to claim 6, wherein The horizontal water supply and return pipeline is located in a pipeline trench under a raft, and the vertical water supply and return pipeline is located between the raft and the manhole.