Treatment device for preventing sedimentation damage of vertical pipeline
By installing settlement cavities and support structures in inspection wells, and utilizing protective sleeves and electrofusion ball valves, the problem of vertical pipeline rupture caused by settlement was solved, thereby improving pipeline reliability and reducing operation and maintenance costs.
Patent Information
- Application Number
- CN202423140588.9
- 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
In urban development, vertical pipelines may rupture due to thermal expansion and contraction, uneven settlement, stress concentration, and other reasons. This can lead to sudden breakage of the pipeline or connection nodes, affecting the system's performance and maintenance costs.
A treatment device for preventing settlement damage to vertical pipelines was designed, including a water distribution manifold, horizontal and vertical supply and return water pipelines. By setting a settlement cavity and a support plate structure in the inspection well, and using a protective sleeve and an electrofusion ball valve, the pipeline settlement is buffered, reducing the risk of breakage.
It effectively prevents pipe joint breakage, improves pipe reliability, reduces operation and maintenance costs, and is easy to construct without taking up extra space.
Smart Images

Figure CN223635945U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the ground source heat pump heat exchange system renewable energy technology field especially, relate 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. The state policy and popularization and encouragement of developing clean energy, in the field of heating / cooling system application, shallow geothermal energy-soil source heat pump system is favored because of its own characteristics. Whether the design and installation process of the pipeline is scientific and reasonable has an important effect on the future use effect and operation cost.
[0003] At present, the land resource space is tight in urban development, and efficient, multi-dimensional use of limited underground space can maximize its function, value and role, which 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 pipeline or connecting node caused by thermal expansion and cold contraction, uneven settlement, excessive stress concentration, large height difference of 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 pipeline under building raft. UTILITY MODEL CONTENT
[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 is located in the inspection well, the water distributor is communicated with the vertical water supply and return pipeline through the horizontal connecting pipeline, the inspection well wall body is provided with a settlement cavity, the horizontal connecting pipeline is located in the settlement cavity, and the bottom end of the settlement cavity is spaced apart from the horizontal connecting pipeline by more than 10cm.
[0007] Preferably, the water distributor is located on the supporting plate, and the supporting plate is located on the base.
[0008] 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.
[0009] Preferably, the water distributor is provided with an electric melting ball valve.
[0010] Preferably, a protective sleeve is arranged on the horizontal water supply and return pipe and the vertical water supply and return pipe.
[0011] 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.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] The utility model solves the problem of pipe node fracture caused by external force, improves the pipe quality reliability, has less investment, obvious benefits, greatly reduces the later operation and maintenance cost, and is simple and easy to understand in installation process, and simple and feasible in construction technology, without occupying other space. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 is the structural diagram of the utility model;
[0015] Figure 2 is the local pipe elevation sectional view of the utility model;
[0016] Figure 3 is Figure 2 the local enlarged view of somewhere in the utility model. DETAILED DESCRIPTION
[0017] 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 clearly and completely described below 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 protection scope of the utility model.
[0018] In the description of the utility model, it should be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does 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.
[0019] In the description of the utility model, still need to explain, unless another explicit provision and limitation, term "installation", "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 directly connected, also can be indirectly connected through intermediate medium, can be two elements inside the communication. For ordinary skilled in the art, the above-mentioned terms can be understood according to the specific meaning of the utility model.
[0020] The following will be described in detail in combination with the accompanying drawings Figures 1-3 The utility model is further described in detail as follows:
[0021] Refer to Figure 1 The utility model provides a vertical pipeline prevents the treatment device of settlement damage, including distribution water collector 4, horizontal water supply and return pipeline and vertical water supply and return pipeline 5, distribution water collector 4 is connected with horizontal water supply and return pipeline through vertical water supply and return pipeline 5;
[0022] Refer to Figures 2-3 Distribution water collector 4 is located in inspection well 3, distribution water collector 4 is communicated with vertical water supply and return pipeline 5 through horizontal connecting pipeline 2, and the settlement cavity a is formed on the inspection well wall body, and horizontal connecting pipeline 2 is located in the settlement cavity a, and the bottom end of settlement cavity a is spaced apart from horizontal connecting pipeline 2 by more than 10 cm. Distribution water collector 4 is located on the supporting plate 15, and the supporting plate 15 is located on the base 7. The supporting plate 15 includes a flat plate and a semicircular plate, and the semicircular plate is located on the flat plate and the distribution water collector 4 is located in the semicircular plate. Electric melting ball valve 6 is arranged on distribution water collector 4. Protective sleeve 8 is arranged on horizontal water supply and return pipeline and vertical water supply and return pipeline 5. Horizontal water supply and return pipeline is located in the pipe trench under raft, and the vertical water supply and return pipeline is located between the inspection well under the raft.
[0023] In the embodiment, the basement or the foundation bottom raft 1: the design underground raft structure, generally is reinforced concrete structure, such as basement floor, foundation, etc.;
[0024] Horizontal connecting pipeline 2: horizontal pipeline in upper chamber;
[0025] Inspection well 3: the collection well chamber of distribution water collector and pipeline, plays the role of protecting distribution water collector and facilitating maintenance;
[0026] Distribution water collector 4: the total water supply (water distributor) and total water collection (water collector) of each heat exchange subsystem;
[0027] Vertical water supply and return pipeline 5: the vertical water supply and return pipeline between the inspection well under the raft;
[0028] Hot melting ball valve 6: control valve between each branch and distribution water collector;
[0029] Base 7: support distribution water collector base;
[0030] Protective sleeve 8: the outer protective tube of the heat exchange supply / return water pipeline 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, thereby protecting the pipeline;
[0031] Upper backfill material 9 of the pipeline trench under the raft: a material that can be selected according to the stratum water level and the bearing capacity requirement of the foundation structure, such as graded sand and gravel, three-layer soil, and original soil;
[0032] Lower backfill material 10 of the pipeline trench under the raft: a material that requires (such as fine sand, coarse sand, and sandy soil) to have less impurities, mainly plays a role in protecting the pipeline from damage by other hard impurities, and can also play a role in buffering and protecting the pipeline when the main structure is sinking;
[0033] Manhole 11 of the inspection well: a maintenance hole of the valve inspection well, mainly used for ventilation and maintenance;
[0034] Natural or designed ground level 12: a natural ground or a designed ground level, such as a green belt or a road;
[0035] Boundary line 13 between the upper and lower backfill materials of the pipeline trench under the raft: generally, the pipeline trench backfill materials are designed to have different functions, and different materials are used, that is, the interface between different materials;
[0036] Pipeline trench bottom 14 under the raft: the bottom surface elevation of the horizontal pipeline trench under the raft;
[0037] Support plate 15: a support plate for the water distribution component, which is divided into two parts and firmly welded together, with a lower flat plate and an upper semicircular plate;
[0038] Sedimentation cavity a: a part connected to the branch outlet of the valve inspection well, which is a free space, and the pipeline located in the cavity can sink and buffer when the pipeline sinks.
[0039] The process steps of the device include:
[0040] Lower pipeline trench backfill material: the thickness is designed according to the requirements, such as fine sand, coarse sand, and sandy soil;
[0041] Laying of the supply / return water pipeline (HDPE high-density polyethylene): the horizontal and vertical sections are sampled and cut according to the actual length of the design;
[0042] Installation of the protective sleeve: the protective sleeve of the horizontal and vertical sections (which should extend into the outer cavity of 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;
[0043] Installation of the inspection well: the inspection well is built or prefabricated according to the design requirements, and the base is installed;
[0044] Production of the water distribution component: the water distribution component is strictly made according to the design requirements or produced on site;
[0045] Distribution water tank installation: the qualified distribution water tank is placed on the base, the branch pipe outlet is sideways and fixed;
[0046] Inspection well outer cavity installation: the inspection well outer cavity is used for the upper end horizontal pipe section settlement space, the inner bottom surface should be lower than the pipe low >10cm, after the pipe installation is completed, the upper surface is covered with rigid cover plate;
[0047] Pipe hot melt butt joint: after all the pipes are adjusted and fixed, each water supply and return pipe branch is butt jointed with the distribution water tank branch pipe hot melt valve;
[0048] Hydrostatic test: after the installation of all pipes of a system is completed, the hydrostatic test is carried out, and the qualified one is kept;
[0049] Elbow node protection: the protection sleeve elbow is installed at the upper and lower end pipe elbow;
[0050] Pipe surrounding backfilling: the vertical pipe surrounding is backfilled and rammed according to the design requirement;
[0051] Settlement: when the lower horizontal pipe settles, the vertical pipe and the horizontal pipe in the upper end cavity settle at the same time, and the upper end free end is buffered;
[0052] Other all subsystem water supply and return pipes are carried out according to the above process and technology until all are completed;
[0053] Main pipe installation: after the installation of all subsystem inspection wells is completed, the main pipe installation can be carried out.
[0054] The above is only the preferred embodiment of the utility model, and is not used for limiting the utility model, for the person skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the 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 distribution manifold is located in the inspection well, and the water distribution manifold is connected to the vertical water supply and return pipes through a horizontal connecting pipe. A settling cavity is provided on the wall of the inspection well, and the horizontal connecting pipe is located in the settling cavity with a distance of more than 10cm between the bottom of the settling cavity and the horizontal connecting pipe.
2. The treatment device for preventing settlement damage to vertical pipelines as described in claim 1, characterized in that, The water distributor is located on the tray, which is located on the base.
3. The treatment device for preventing settlement damage to vertical pipelines as described in claim 2, characterized in that, The tray includes a flat plate and a semi-circular plate, the semi-circular plate being located on the flat plate and the water distributor being located inside the semi-circular plate.
4. The treatment device for preventing settlement damage to vertical pipelines as described in claim 3, characterized in that, The water manifold is equipped with an electrofusion ball valve.
5. The treatment device for preventing settlement damage to vertical pipelines as described in claim 4, characterized in that, Both the horizontal and vertical water supply and return pipes are equipped with protective sleeves.
6. The treatment device for preventing settlement damage to vertical pipelines as described in claim 5, 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.