Buried cold water pipe exhaust device
By designing steel pipe welding, isolation components, and limiting components, the problem of drainage pipe detachment caused by turning and climbing of underground cold water pipes was solved, achieving stable connection and low energy consumption operation, reducing heat loss and chemical corrosion, and extending the service life of the pipeline.
Patent Information
- Application Number
- CN202520697092.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-14
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-04-14
AI Technical Summary
During the transportation process, the underground cold water pipe may detach due to pipe turns, slopes, or descents, resulting in water leakage, heat loss, and chemical corrosion.
The system uses welded and connected steel pipes, with isolation and limiting components, including PE pipes and polyurethane foam to fill the gaps. Flanges and spring limit blocks are used to achieve a stable connection between the steel pipes and the drain pipes, and the flow is controlled by a vortex-driven ball valve.
It improves the stability of pipe connections, reduces heat loss and chemical corrosion, extends pipe life, reduces energy consumption, and prevents water leakage.
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Figure CN223881979U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of buried cold water pipe exhaust devices. BACKGROUND
[0002] Buried cold water pipe is an important component in ground source heat pump system, usually used for heat exchange with underground soil or underground water body. It converts low-temperature energy into high-temperature energy by burying a certain length of pipeline underground, using the characteristics of relatively constant underground temperature, to achieve heating or refrigeration.
[0003] In long-distance buried cold water pipeline, during the transportation of cold water, the pipeline needs to exhaust air, and when the pipeline is laid in the ground, due to uneven terrain, it is inevitable to have turning, climbing and descending, which causes the drain pipe to fall off and water to run. UTILITY MODEL CONTENT
[0004] The utility model aims to provide a kind of buried cold water pipe exhaust device to solve the problems raised in the above background technology.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of buried cold water pipe exhaust device, including steel pipe, welding and communicating between adjacent steel pipes, and every two steel pipe connection weld outside is provided with insulating component, the steel pipe is provided with drain pipe in communication, the drain pipe is provided with the limiting component for reinforcing connection in the communication of steel pipe, the steel pipe includes water supply pipe and return pipe, circulation pipe is arranged between the water supply pipe and return pipe, and eddy current transmission ball valve is arranged on the circulation pipe.
[0006] Preferably, the insulating component includes a plurality of PE pipes arranged on the outside of the steel pipe, a gap is reserved between the PE pipes and the steel pipe, and an exhaust port and a foaming inlet are formed on the surface of the PE pipe.
[0007] Preferably, the gap is filled with polyurethane foam through the foaming inlet.
[0008] Preferably, the limiting component includes a first flange and a second flange arranged at the communication between the steel pipe and the drain pipe, respectively, recesses are formed on both sides of the surface of the first flange facing the second flange, springs are arranged on both sides of the recess, a moving plate is arranged at one end of the two springs close to each other, the moving plate extends to the outside of the recess through an opening and is connected to a limiting block.
[0009] Preferably, a first sliding groove is formed in the recess, a sliding rod is arranged in the first sliding groove, and the sliding rod is connected to the moving plate.
[0010] Preferably, the first flange plate is provided with a second sliding groove communicated with the groove on the side away from the second flange plate, a push rod is arranged in the second sliding groove, the push rod extends into the groove and is connected with the moving plate, and the surface of the second flange plate is provided with a slot matched with the limiting block.
[0011] Preferably, sleeves are arranged at the joints of the water supply pipe and the water return pipe and the wall.
[0012] Preferably, a pressure gauge and a thermometer are arranged on the steel pipe.
[0013] The technical effects and advantages of the utility model are as follows: when the drain pipe is installed, the first flange plate and the second flange plate are aligned, the steel pipe is connected with the drain pipe, two push rods are pressed at the same time, the two push rods are close to each other in the second sliding groove, the sliding rod slides along the length direction of the first sliding groove in the first sliding groove, the two moving plates are close to each other, and the two limiting blocks are close to each other, then the two limiting blocks are inserted into the slot, when the first flange plate and the second flange plate are attached, the push rod is loosened, the spring is deformed, the elastic force is applied to the moving plate, the two moving plates are away from each other under the sliding of the sliding rod, then the two limiting blocks are clamped outside the slot, the fixing of the steel pipe and the drain pipe after being connected is completed, the stability after being connected is improved, and the phenomenon of water leakage caused by the falling of the drain pipe is avoided. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the overall plan view of the utility model;
[0015] Figure 2 It is the overall sectional view of the utility model;
[0016] Figure 3 It is the plan view of the polyurethane foam of the utility model;
[0017] Figure 4 It is the structural schematic view of the steel pipe of the utility model;
[0018] Figure 5 It is the structural schematic view of the first flange plate of the utility model;
[0019] Figure 6 It is the structural schematic view of the utility model Figure 4 in the enlarged structure diagram of A place;
[0020] Figure 7 It is the enlarged structure diagram of B place of the utility model Figure 5 .
[0021] In the figure: 1, steel pipe; 2, drain pipe; 3, water supply pipe; 4, backwater pipe; 5, circulating pipe; 6, vortex transmission ball valve; 7, PE pipe; 8, exhaust port; 9, polyurethane foam; 10, first flange plate; 11, second flange plate; 12, groove; 13, spring; 14, moving plate; 15, limiting block; 16, first sliding groove; 17, sliding rod; 18, second sliding groove; 19, lever; 20, insertion slot; 21, sleeve; 22, pressure gauge; 23, thermometer; 24, foaming inlet. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.
[0023] In order to prevent the steel pipe 1 from being easily separated from the drain pipe 2 after being connected, as shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , the steel pipe 1 is connected to the drain pipe 2, and an isolation assembly is arranged on the outer side of the connecting weld between every two steel pipes 1. The drain pipe 2 is connected to the steel pipe 1, and a limiting assembly for reinforcing the connection is arranged at the connection position of the drain pipe 2 and the steel pipe 1. The steel pipe 1 comprises a water supply pipe 3 and a backwater pipe 4. The circulating pipe 5 is arranged between the water supply pipe 3 and the backwater pipe 4. The vortex transmission ball valve 6 is arranged on the circulating pipe 5. When the drain pipe 2 is installed, the first flange plate 10 and the second flange plate 11 are relatively arranged, so that the steel pipe 1 is connected to the drain pipe 2. At the same time, the two levers 19 are pressed, the two levers 19 are close to each other in the second sliding groove 18, the sliding rod 17 slides along the length direction of the first sliding groove 16 in the first sliding groove 16, the two moving plates 14 are driven to be close to each other, and the two limiting blocks 15 are driven to be close to each other. At this time, the two limiting blocks 15 can be inserted into the insertion slot 20. When the first flange plate 10 and the second flange plate 11 are attached, the levers 19 are loosened, the springs 13 are deformed, the elastic force is applied to the moving plates 14, the two moving plates 14 are driven to be far away from each other under the sliding of the sliding rod 17, and then the two limiting blocks 15 are respectively clamped outside the insertion slot 20. The fixing of the steel pipe 1 and the drain pipe 2 after being connected is completed, and the stability after being connected is improved.
[0024] In order to reduce the energy consumption of the pipeline in the conveying process, as shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7As shown, the isolation assembly comprises a plurality of PE pipes 7 arranged outside the steel pipe 1, a gap is reserved between the steel pipe 1 and the PE pipe 7, and the PE pipe 7 is mounted by hot melting welding. The surface of the PE pipe 7 is provided with an exhaust port 8 and a foaming feeding port 24, and the gap is filled with polyurethane foam 9 through the foaming feeding port 24. The gap is filled with polyurethane foam 9 material through the foaming feeding port 24, so that the weld of the steel pipe 1 reduces the heat loss of the pipeline during transportation through the polyurethane foam 9, helps to reduce energy consumption, improves the energy efficiency of the entire buried cold water pipe system, and also effectively prevents the penetration of moisture and humidity, tightly adheres to the outer wall of the pipeline, forms a protective layer, prevents chemical substances and microorganisms in the soil from eroding the pipeline, and prolongs the service life of the pipeline. The limiting assembly comprises a first flange plate 10 and a second flange plate 11 arranged at the communication part of the steel pipe 1 and the drain pipe 2 respectively, recesses 12 are formed on both sides of the surface of the first flange plate 10 facing the second flange plate 11, springs 13 are arranged on both sides of the recess 12, when the limiting block 15 is inserted into the slot 20, the spring 13 can be deformed without pressure on the lever 19, the moving plate 14 is pulled and the movement of the limiting block 15 is driven, and the installation of the steel pipe 1 and the drain pipe 2 is realized. The moving plate 14 is arranged at one end of the two springs 13 close to each other, the moving plate 14 extends to the outside of the recess 12 through the opening, and is connected with the limiting block 15. The first sliding groove 16 is also formed in the recess 12, the sliding rod 17 is arranged in the first sliding groove 16, the sliding rod 17 is connected with the moving plate 14, and the sliding rod 17 slides in the first sliding groove 16 along the length direction of the first sliding groove 16, which supports the moving plate 14 on one hand and facilitates the movement of the moving plate 14 in the recess 12 on the other hand, so that they move close to or away from each other. The first flange plate is provided with a second sliding groove 18 communicating with the recess 12 on the side away from the second flange plate 11, the second sliding groove 18 is provided with a lever 19, the lever 19 extends into the recess 12 and is connected with the moving plate 14, and the surface of the second flange plate 11 is provided with a slot 20 matched with the limiting block 15. When disassembling, the two levers 19 are pulled close to each other, which can sequentially drive the moving plate 14 and the limiting block 15 to move close. Thus, the limiting block 15 is pulled out of the slot 20, and the steel pipe 1 and the drain pipe 2 are dismounted. The end of the drain pipe 2 away from the steel pipe 1 leads into the drainage channel. The water supply pipe 3 and the return water pipe 4 are provided with a sleeve 21 at the intersection with the wall, and the sleeve 21 is a waterproof sleeve for pipeline wall penetration. The steel pipe 1 is provided with a pressure gauge 22 and a thermometer 23. The turbine transmission ball valve is made of stainless steel.
[0025] In use, first, the steel pipe 1 is communicated with the drain pipe 2 by aligning the first flange plate 10 and the second flange plate 11, and simultaneously pressing the two push rods 19, the two push rods 19 are close to each other in the second sliding groove 18, the sliding rod 17 slides along the length direction of the first sliding groove 16 in the first sliding groove 16, drives the two moving plates 14 to be close to each other, and drives the two limiting blocks 15 to be close, at this time, the two limiting blocks 15 can be inserted into the insertion slot 20, when the first flange plate 10 and the second flange plate 11 are attached, the push rod 19 is loosened, the spring 13 is deformed, the elastic force is reacted to the moving plate 14, under the sliding of the sliding rod 17, the two moving plates 14 are driven to be away from each other, and then the two limiting blocks 15 are respectively clamped outside the insertion slot 20, and the fixing after the communication of the steel pipe 1 and the drain pipe 2 is completed.
[0026] Finally, it should be noted that: the above only for preferred embodiments of the present application, and not for limiting the present application.
Claims
1. A buried cold water pipe exhaust device characterized by comprising: The utility model provides a steel pipe (1), weld and intercommunication between adjacent steel pipe (1), and every two steel pipe (1) connecting weld seam place outside is provided with insulating component, the steel pipe (1) is interconnected with drain pipe (2), and the drain pipe (2) is provided with the limiting component for reinforcing connection at the intercommunication of steel pipe (1), the steel pipe (1) includes water supply pipe (3) and backwater pipe (4), the water supply pipe (3) is provided with circulating pipe (5) between backwater pipe (4), and the circulating pipe (5) is provided with vortex transmission ball valve (6).
2. The buried cold water pipe exhaust apparatus according to claim 1, characterized by: The insulating component includes a plurality of PE pipes (7) disposed on the outer side of the steel pipe (1), the PE pipes (7) and the steel pipe (1) are provided with a gap, and the surface of the PE pipes (7) is provided with an exhaust port (8) and a foaming inlet (24).
3. The buried cold water pipe exhaust apparatus according to claim 2, characterized by: The gap is filled with polyurethane foam (9) through the foaming inlet (24).
4. The buried cold water pipe exhaust apparatus according to claim 1, characterized by: The limiting component includes a first flange (10) and a second flange (11) disposed at the intercommunication of the steel pipe (1) and the drain pipe (2), respectively, the first flange (10) is provided with a groove (12) on both sides of the surface facing the second flange (11), the groove (12) is provided with a spring (13) on both sides, one end of the two springs (13) is provided with a moving plate (14), the moving plate (14) extends out of the groove (12) through an opening and is connected with a limiting block (15).
5. The buried cold water pipe exhaust apparatus according to claim 4, characterized by: The groove (12) is also provided with a first sliding groove (16), the first sliding groove (16) is provided with a sliding rod (17), and the sliding rod (17) is connected with the moving plate (14).
6. The buried cold water pipe exhaust apparatus according to claim 5, characterized by: The second flange is provided with a second sliding groove (18) on the side away from the second flange (11), the second sliding groove (18) is provided with a lever (19), the lever (19) extends into the groove (12) and is connected with the moving plate (14), and the surface of the second flange (11) is provided with a slot (20) matched with the limiting block (15).
7. The buried cold water pipe exhaust apparatus according to claim 1, characterized by: The water supply pipe (3) and the backwater pipe (4) are provided with a sleeve (21) at the intersection with the wall.
8. The buried cold water pipe exhaust apparatus according to claim 1, characterized by: The steel pipe (1) is provided with a pressure gauge (22) and a thermometer (23).