Anti-freezing structure for building water supply and drainage

Abstract

The utility model relates to the technical field of anti-freezing structures, in particular to a building water supply and drainage anti-freezing structure which comprises a water pipe and an anti-freezing mechanism arranged on the outer wall of the water pipe in a sleeving mode. The anti-freezing mechanism comprises a sleeve and anti-freezing assemblies, a plurality of mounting grooves are formed in the inner wall of the sleeve, the anti-freezing assemblies are embedded and mounted in the mounting grooves, a plurality of inner flow channels are formed in the sleeve, and each anti-freezing assembly comprises an electric heating wire, a heat insulation lining arranged outside the electric heating wire in a sleeving mode and a heat dissipation plate; according to the design, through a dual-mode anti-freezing mechanism of the inner flow channel and the anti-freezing assembly in the sleeve, waste heat fluid such as floor heating can be connected for cyclic utilization, low-cost anti-freezing is achieved, extreme low-temperature protection can be enhanced through precise temperature control of the electric heating wire, heat leakage is blocked through the heat insulation lining, heat is directionally conducted to the pipe wall through the heat dissipation plate, the heat energy utilization rate is remarkably increased, and the anti-freezing effect is good. Meanwhile, the split type sleeve is convenient to install, the layered embedded structure avoids the exposure risk of the electric heating element, and the anti-freezing reliability, the energy-saving performance and the safety are all considered.

Description

TECHNICAL FIELD

[0001] The utility model relates to a freeze -proof structure technical field, concretely is a freeze -proof structure of building water supply and drainage. BACKGROUND

[0002] The freeze -proof structure of building water supply and drainage is the key technology to guarantee the safe operation of pipeline system under low temperature environment, and its significance lies in that through active freeze -proof and heat preservation measures, the rupture, blockage and water supply interruption problem caused by freezing of water pipe are avoided, and the continuous and stable supply of domestic water, fire water and industrial water is ensured, which is particularly important in severe cold regions or extreme climate.

[0003] The freeze -proof structure can reduce the maintenance cost, water resource waste and secondary disaster risk caused by pipe freeze damage, and improve the disaster resistance of infrastructure, but it still has some problems: 1) the traditional freeze -proof technology (such as only using electric heating or thermal insulation layer) is limited by single heat source, and is easy to fail or has high energy consumption under extreme low temperature; 2) the traditional electric heating needs to be wound around the pipeline, and the thermal insulation layer needs to be disassembled as a whole, so the construction is complicated and the maintenance cost is high; 3) the conventional thermal insulation material is easy to age, which leads to the decline of heat insulation performance, or the heat is seriously lost to the environment, and the heat conduction is unevenly distributed; therefore, in view of the above status, it is urgent to develop a freeze -proof structure of building water supply and drainage to overcome the shortcomings in current practical application and meet the current demand. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a freeze -proof structure of building water supply and drainage to solve the problems in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: a freeze -proof structure of building water supply and drainage, which comprises a water pipe and a freeze -proof mechanism sleeved on the outer wall of the water pipe.

[0006] The freeze -proof mechanism comprises a sleeve pipe and a freeze -proof component, the inner wall of the sleeve pipe is provided with a plurality of installation grooves, a plurality of freeze -proof components are embedded and installed in the installation grooves, the inside of the sleeve pipe is provided with a plurality of inner flow channels, and the freeze -proof component comprises an electric heating wire, a heat insulation lining sleeved on the outside of the electric heating wire and a heat dissipation plate.

[0007] Preferably, the inside of the sleeve pipe is semicircular in cross section, and two sleeve pipes are sleeved on the outer wall of the water pipe in cooperation, specifically, the sleeve pipe is designed in a semicircular split type, the water pipe outer wall is wrapped by the two sleeve pipes in cooperation, the pipe end does not need to be disassembled during installation, and it is especially suitable for the installation scene of fixed pipes; after butt joint, a complete annular seal is formed, the adhesion to the original pipe can be effectively improved by cooperating with the fastener and the gasket, meanwhile, the semicircular structure uniformly disperses the external pressure, avoids stress concentration, and has the advantages of convenient construction, flexible maintenance, low cost and strong adaptability.

[0008] Preferably, the edge of the sleeve is welded with an ear plate, in particular, the ear plate is connected through a bolt, thereby reducing the installation difficulty.

[0009] Preferably, the outer wall of the two ends of the sleeve is provided with a plurality of interfaces, and the interfaces are communicated with the inner flow channel, in particular, the two ends of the sleeve are provided with a plurality of interfaces and communicated with the inner flow channel, and the hot liquid such as the floor heating water is circulated and introduced, and the heat is uniformly radiated to the outer wall of the pipeline through heat conduction, thereby effectively preventing freezing at low temperature; the inner flow channel is designed in combination with the multi-interface structure, so that different heat sources can be flexibly adapted, the heat energy utilization efficiency is enhanced, the problems of high energy consumption of the traditional electric heat tracing and aging of the thermal insulation layer are avoided, the freezing prevention reliability, energy saving and installation convenience are combined, and the structure is especially suitable for the building water supply and drainage system in the severe cold area, and the low-cost pipeline protection can be realized by relying on the existing heat source.

[0010] Preferably, the heat insulation lining, the electric heating wire and the heat dissipation plate are sequentially embedded and installed in the mounting groove, and the heat insulation lining and the heat dissipation plate are closely combined with the electric heating wire, in particular, the heat insulation lining, the electric heating wire and the heat dissipation plate are layered and embedded in the mounting groove of the sleeve, and the "heat insulation-heat generation-heat conduction" integrated design is formed: the heat generated by the electric heating wire is directly conducted to the surface of the water pipe by the heat dissipation plate, so that precise directional heating is realized; the outer heat insulation lining blocks the heat loss to the external environment, and the heat energy utilization rate is improved; the closely combined structure guarantees efficient heat transfer, and avoids the exposure risk of the electric heating element, and the design has the advantages of efficient freezing prevention, low energy consumption, long service life and compact safety, and is especially suitable for the stable protection of the water supply and drainage pipeline in the severe cold area.

[0011] Compared with the prior art, the freezing prevention structure for building water supply and drainage has the following beneficial effects:

[0012] The design realizes the double-mode freezing prevention mechanism of the built-in inner flow channel and the freezing prevention assembly in the sleeve, can realize low-cost freezing prevention by circulating the waste heat fluid such as the floor heating water, and can also realize extreme low-temperature protection by precisely controlling the temperature of the electric heating wire, and the heat insulation lining blocks the heat leakage, and the heat dissipation plate directionally conducts heat to the pipe wall, so that the heat energy utilization rate is significantly improved, the split sleeve is convenient to install, the layered embedded structure avoids the exposure risk of the electric heating element, and the freezing prevention reliability, energy saving and safety are combined, the modular design supports rapid maintenance and replacement, the service life is prolonged by cooperating with the weather-resistant material, is suitable for the building, municipal and industrial pipeline systems in the severe cold area, effectively prevents the freezing and cracking risk and reduces the operation and maintenance cost, and has environmental adaptability and economy. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0014] Figure 1 It is a front structure schematic diagram of the present application.

[0015] Figure 2 It is an overall explosion diagram of the present application.

[0016] Figure 3 It is a sleeve local structure schematic diagram of the present application.

[0017] Figure 4 It is a sleeve top view horizontal section diagram of the present application.

[0018] Figure 5 It is an overall top view horizontal section diagram of the present application.

[0019] Figure 6 It is a top view horizontal section diagram of the anti-freezing assembly of the present application.

[0020] In the figure: 10, anti-freezing mechanism; 110, sleeve; 111, ear plate; 112, interface; 113, mounting groove; 114, inner flow channel; 120, anti-freezing assembly; 121, heat insulation lining; 122, electric heating wire; 123, heat dissipation plate; 20, water pipe. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0022] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood broadly, for example, can be fixed connection, or detachable connection, or integrated; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through intermediate medium; can be the internal communication of two elements or the interaction relationship of two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0023] Embodiment:

[0024] Referring to Figures 1-6 The utility model provides a technical scheme: a freeze -proof structure of building water supply and drainage, including water pipe 20, the freeze -proof mechanism 10 of sleeve set in the outer wall of water pipe 20,

[0025] The freeze -proof mechanism 10 includes a sleeve 110 and a freeze -proof assembly 120, the inner wall of the sleeve 110 is provided with a plurality of installation grooves 113, a plurality of freeze -proof assemblies 120 are embedded and installed in the installation grooves 113, and a plurality of inner flow channels 114 are formed in the inside of the sleeve 110, the freeze -proof assembly 120 includes an electric heating wire 122, a heat -insulating lining 121 sleeved on the outside of the electric heating wire 122 and a heat sink 123.

[0026] Preferably, the inside of the sleeve 110 is semicircular in cross section, and two sleeves 110 are cooperatively sleeved on the outer wall of the water pipe 20, specifically, the sleeve 110 is designed in a semicircular split body, and the water pipe 20 is wrapped by the two sleeves 110, so that the pipe end does not need to be disassembled during installation, and the sleeve is particularly suitable for installation in a fixed pipe environment; after butt joint, a complete annular seal is formed, and the adhesion to the original pipe can be effectively improved by cooperating with fasteners and gaskets, and the semicircular structure uniformly disperses external pressure, avoids stress concentration, and has the advantages of convenient construction, flexible maintenance, low cost and strong adaptability.

[0027] Preferably, the edge of the sleeve 110 is welded with an ear plate 111, and specifically, the ear plate 111 is butt jointed with bolts, so that the installation difficulty is reduced.

[0028] Preferably, a plurality of interfaces 112 are installed on the outer wall of both ends of the sleeve 110, and the interfaces 112 are communicated with the inner flow channels 114, and specifically, the sleeve 110 is provided with a plurality of interfaces 112 at both ends and is communicated with the inner flow channels 114, hot liquids such as floor heating water are circulated, heat is uniformly radiated to the outer wall of the pipe by heat conduction, and low-temperature freezing is effectively prevented; the inner flow channels 114 are designed in combination with the multi-interface 112 structure, which can flexibly adapt to different heat sources, enhance the heat energy utilization efficiency, avoid the problems of high energy consumption of traditional electric heat tracing and easy aging of the thermal insulation layer, have the advantages of freeze -proof reliability, energy saving and installation convenience, and are especially suitable for building water supply and drainage systems in cold regions, and can rely on existing heat sources to realize low -cost pipe protection, it should be noted that the plurality of semicircular equidistantly distributed inner flow channels 114 in the sleeve 110 are not communicated with each other, so that different heating lines can be used, the failure of a single line can be avoided, the overall freeze -proof function is not lost, and a plurality of heat sources can be used at the same time to improve energy utilization.

[0029] Preferably, the thermal insulation lining 121, the heating wire 122 and the heat dissipation plate 123 are sequentially embedded and installed in the installation groove 113, and the thermal insulation lining 121 and the heat dissipation plate 123 are closely attached to the heating wire 122. Specifically, by embedding the thermal insulation lining 121, the heating wire 122 and the heat dissipation plate 123 in the installation groove 113 of the sleeve pipe 110 in layers, an integrated design of "thermal insulation-heat generation-heat conduction" is formed: the heat generated by the heating wire is directly conducted to the surface of the water pipe 20 by the heat dissipation plate 123, realizing precise directional heating; the outer thermal insulation lining 121 blocks the heat dissipation to the external environment, improving the heat utilization rate; the close-fitting structure ensures efficient heat transfer, while avoiding the risk of exposure of the heating element. This design has the advantages of efficient anti-freezing, low energy consumption, long service life and compact safety, and is especially suitable for stable protection of water supply and drainage pipelines in cold regions.

[0030] Working principle: two sleeve pipes 110 are sleeved on the outer wall of the water pipe 20, and are fixed by bolts cooperating with the bolt holes on the ear plate 111. Then the interfaces 112 at both ends are connected to the supply and return pipelines of the heat source, and finally the sleeve pipe 110 is wrapped with thermal insulation material. When water pipe 20 needs to be prevented from freezing, the internal flow channel 114 is connected to the external heat source through the interface 112, and the heat is conducted to the outer wall of the water pipe 20 through the sleeve pipe 110, realizing the anti-freezing effect of the water in the water pipe 20. The heating wire 122 can also be used, which generates heat and uniformly conducts it to the outer wall of the water pipe 20 through the heat dissipation plate 123, realizing the anti-freezing effect. The thermal insulation lining 121 can greatly reduce heat dissipation, realize precise directional heat conduction, and improve heat utilization.

[0031] It should be noted that in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or equipment including the element.

Claims

1. A frost-resistant structure for building water supply and drainage, characterized in that: Includes a water pipe (20) and an antifreeze mechanism (10) fitted on the outer wall of the water pipe (20); The antifreeze mechanism (10) includes a sleeve (110) and an antifreeze component (120). The inner wall of the sleeve (110) is provided with a plurality of mounting grooves (113). A plurality of the antifreeze components (120) are embedded in the mounting grooves (113). The inside of the sleeve (110) is provided with a plurality of internal flow channels (114). The antifreeze component (120) includes a heating wire (122), a heat insulation liner (121) sleeved on the outside of the heating wire (122), and a heat dissipation plate (123).

2. The anti-freezing structure for building water supply and drainage according to claim 1, characterized in that: The inner cross-section of the sleeve (110) is semi-circular, and the two sleeves (110) are fitted together on the outer wall of the water pipe (20).

3. The anti-freezing structure for building water supply and drainage according to claim 1, characterized in that: The sleeve (110) is welded with an ear plate (111) at its edge.

4. The anti-freezing structure for building water supply and drainage according to claim 1, characterized in that: The outer walls at both ends of the sleeve (110) are equipped with several interfaces (112), which are connected to the inner flow channel (114).

5. The anti-freezing structure for building water supply and drainage according to claim 1, characterized in that: The heat insulation liner (121), heating wire (122), and heat dissipation plate (123) are sequentially embedded in the mounting groove (113), and the heat insulation liner (121) and heat dissipation plate (123) are tightly attached to the heating wire (122).

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