Thermal power plant steam pipeline heat preservation and sound insulation sheath

Abstract

The utility model provides a thermal power plant steam pipeline heat preservation and sound insulation sheath, and relates to the technical field of thermal power plant steam pipelines. The thermal power plant steam pipeline heat preservation and sound insulation sheath comprises a first straight pipe, a plurality of bent pipe assemblies, a second straight pipe and a heat preservation and sound insulation layer. The heat preservation and sound insulation layers are arranged in the first straight pipe, the bent pipe assembly and the second straight pipe correspondingly. The pipe bending assembly comprises an arc barrel, a connecting block and a plurality of screws. The arc barrel is provided with an opening, the connecting block is fixedly connected with the arc barrel, and the screw is detachably connected with the arc barrel and the connecting block; the arc barrels in the bent pipe assemblies are connected end to end; the first straight pipe is connected with one ends of the bent pipe assemblies, and the second straight pipe is connected with the other ends of the bent pipe assemblies. The thermal power plant steam pipeline heat preservation and sound insulation sheath solves the technical problems that an existing thermal power plant steam pipeline heat preservation and sound insulation sheath is difficult to install at the corners of a steam pipeline and poor in heat preservation and sound insulation effect at the corners of the steam pipeline.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of steam pipeline of thermal power plant especially is related to a steam pipeline heat preservation sound insulation sheath of thermal power plant. BACKGROUND

[0002] Steam pipeline of thermal power plant is the pipeline for conveying high temperature and high pressure steam in thermal power plant.

[0003] In order to save energy consumption, reduce the noise of working environment, need to install heat preservation sound insulation sheath on steam pipeline of thermal power plant.The existing thermal power plant heat preservation insulation sheath includes heat preservation sound insulation layer and aluminium skin, in use, the heat preservation sound insulation layer is wrapped to steam pipeline, then the aluminium skin is wrapped to heat preservation sound insulation layer, and the edge of aluminium skin is fixed together through screw.But the steam pipeline heat preservation sound insulation sheath of thermal power plant, usually all straight tube dress, it is difficult to install at the bend of steam pipeline, and there are more installation gaps at the bend of steam pipeline, leading to the heat preservation sound insulation effect of bend is poor.

[0004] The present inventor at least found the following problems in the process of realizing the embodiment:

[0005] The existing steam pipeline heat preservation sound insulation sheath of thermal power plant is difficult to install at the bend of steam pipeline, and the heat preservation sound insulation effect at the bend of steam pipeline is poor. CONTENT OF UTILITY MODEL

[0006] The utility model discloses a steam pipeline heat preservation sound insulation sheath of thermal power plant, solve the existing steam pipeline heat preservation sound insulation sheath of thermal power plant, it is difficult to install at the bend of steam pipeline, and the heat preservation sound insulation effect at the bend of steam pipeline is poor technical problem.

[0007] UTILITY MODEL SCHEME:

[0008] The utility model provides a steam pipeline heat preservation sound insulation sheath of thermal power plant, including first straight pipe, a plurality of elbow assembly, second straight pipe and heat preservation sound insulation layer, the heat preservation sound insulation layer is arranged in first straight pipe, the elbow assembly and second straight pipe inside respectively, the elbow assembly includes arc cylinder, connecting block and a plurality of screws, the arc cylinder is equipped with opening, the connecting block is fixedly connected with the arc cylinder, and the screw is detachably connected with the arc cylinder and the connecting block, the arc cylinder of a plurality of elbow assembly is connected in head to tail, first straight pipe is connected with one end of a plurality of elbow assembly, and second straight pipe is connected with the other end of a plurality of elbow assembly.

[0009] Further, one end of the arc cylinder is provided with a protrusion, and the other end is provided with a groove.

[0010] Further, the opening of the arc cylinder is provided with a connecting strip, and the screw is detachably connected with the connecting strip.

[0011] Further, the heat and sound insulation layer comprises nano aerogel felt, aluminum silicate fiber, damping sound insulation felt and sound absorbing cotton; the nano aerogel felt is used to be connected with the steam pipeline, the aluminum silicate fiber is connected with the nano aerogel felt, the damping sound insulation felt is connected with the aluminum silicate fiber, the sound absorbing cotton is connected with the damping sound insulation felt, and the sound absorbing cotton is connected with the first straight pipe, the plurality of elbow pipe assemblies and the second straight pipe respectively.

[0012] Beneficial effects:

[0013] The heat and sound insulation sheath for steam pipeline of thermal power plant is easy to install at the elbow of the steam pipeline, and has good heat and sound insulation effects at the elbow of the steam pipeline. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the specific embodiments of the present utility model or the technical solutions in the prior art, the drawings needed to be used in the specific embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are some embodiments of the present utility model, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0015] Fig. 1 The structure schematic view of the heat and sound insulation sheath for steam pipeline of thermal power plant provided in the present embodiment is shown in the figure.

[0016] Fig. 2 The structure schematic view of the heat and sound insulation sheath for steam pipeline of thermal power plant provided in the present embodiment is shown in the figure.

[0017] Fig. 3 The structure schematic view of the heat and sound insulation sheath for steam pipeline of thermal power plant provided in the present embodiment is shown in the figure.

[0018] Icon:

[0019] 100 - first straight pipe;

[0020] 200 - Elbow assembly; 210 - Arc barrel; 220 - Connecting block; 230 - Screw; 240 - Projection; 250 - Groove; 260 - Opening; 270 - Connecting strip;

[0021] 300 - Second straight pipe;

[0022] 400 - Heat insulation and sound insulation layer; 410 - Nano aerogel felt; 420 - Aluminum silicate fiber; 430 - Damping and sound insulation felt; 440 - Sound absorbing cotton. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme 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 part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0024] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative labor are within the scope of protection of the present application.

[0025] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0026] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the product of the present application is used, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying 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 limiting the present application. In addition, the terms "first", "second", "third" and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0027] In addition, the terms "horizontal", "vertical", and the like are not intended to mean that the components must be absolutely horizontal or vertical, but can be slightly inclined. For example, "horizontal" merely means that it is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined. In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the case of no conflict, the following examples and features in the examples can be combined with each other.

[0029] The present embodiment provides a thermal power plant steam pipe heat preservation and sound insulation sheath, please refer to Figs. 1-3 As shown, it comprises a first straight pipe 100, a plurality of elbow pipe assemblies 200, a second straight pipe 300 and a heat preservation and sound insulation layer 400; the heat preservation and sound insulation layer 400 is arranged inside the first straight pipe 100, the elbow pipe assembly 200 and the second straight pipe 300 respectively; the elbow pipe assembly 200 comprises an arc cylinder 210, a connecting block 220 and a plurality of screws 230; the arc cylinder 210 is provided with an opening 260, the connecting block 220 is fixedly connected with the arc cylinder 210, and the screws 230 are detachably connected with the arc cylinder 210 and the connecting block 220 respectively; the arc cylinders 210 in the plurality of elbow pipe assemblies 200 are connected end to end; the first straight pipe 100 is connected with one end of the plurality of elbow pipe assemblies 200, and the second straight pipe 300 is connected with the other end of the plurality of elbow pipe assemblies 200.

[0030] Specifically, the materials of the first straight pipe 100, the arc cylinder 210 and the second straight pipe 300 are aluminum skins; the elbow pipe assembly 200 is provided with four groups, the opening 260 of the arc cylinder 210 is arranged to facilitate the arc cylinder 210 to be sleeved on the elbow of the steam pipe, and the arc cylinder 210 is also convenient for clamping the heat preservation and sound insulation layer 400 at the elbow of the steam pipe; the connecting block 220 protrudes from the arc cylinder 210 to make the arc cylinder 210 and the adjacent part more closely connected, and the screw 230 is convenient for disassembling and assembling the arc cylinder; the arc cylinders 210 in the plurality of elbow pipe assemblies 200 are connected end to end, and by adjusting the number of the elbow pipe assemblies 200, steam pipes with different bending degrees can be used; the heat preservation and sound insulation layer 400 is used for heat preservation and sound insulation of the steam pipe. In use, the heat preservation and sound insulation layer 400 is sleeved on the steam pipe, the first straight pipe 100 and the second straight pipe 300 are respectively wrapped on the heat preservation and sound insulation layer 400 at both ends of the elbow, one end of the arc cylinder 210 at the elbow inlet of the steam pipe is connected with the first straight pipe 100, and the other end is connected with the next arc cylinder 210, until the arc cylinder 210 can wrap the heat preservation and sound insulation layer 400 at the elbow, the arc cylinder 210 at the elbow outlet of the steam pipe is connected with the second straight pipe 300, and the adjacent arc cylinders 210 are tightly connected through the screw 230, the arc cylinder 210 is tightened, the arc cylinders 210 at the opening 260 are overlapped and fixed through the screw 230, so that the heat preservation and sound insulation layer 400 is clamped more tightly, and the elbow of the steam pipe is better sealed.

[0031] In the embodiment, one end of the arc cylinder 210 is provided with a protrusion 240, and the other end is provided with a groove 250.

[0032] Specifically, the groove 250 and the protrusion 240 are arranged to make the two adjacent arc cylinders 210 more closely connected, thereby improving the heat preservation performance.

[0033] In the embodiment, the opening 260 of the arc cylinder 210 is provided with a connecting strip 270, and the screw 230 is detachably connected with the connecting strip 270.

[0034] Specifically, the connecting strip 270 is arranged to facilitate the operator to tighten the arc cylinder 210, and also facilitates the installation and positioning of the screw 230.

[0035] In the embodiment, the heat preservation and sound insulation layer 400 includes a nano aerogel felt 410, an aluminum silicate fiber 420, a damping sound insulation felt 430 and an acoustic cotton 440; the nano aerogel felt 410 is used to connect with the steam pipe, the aluminum silicate fiber 420 is connected with the nano aerogel felt 410, the damping sound insulation felt 430 is connected with the aluminum silicate fiber 420, the acoustic cotton 440 is connected with the damping sound insulation felt 430, and the first straight pipe 100, the plurality of elbow pipe assemblies 200 and the second straight pipe 300 are connected with the heat preservation and sound insulation layer 400 respectively.

[0036] Specifically, the thermal conductivity of the nanometer aerogel felt 410 and the aluminum silicate fiber 420 is low, which is used for heat insulation of the steam pipeline to reduce heat loss; the damping sound insulation felt 430 absorbs vibration energy to reduce mechanical noise, the sound-absorbing cotton 440 reduces air-borne noise, and the nanometer aerogel felt 410, the aluminum silicate fiber 420, the damping sound insulation felt 430 and the sound-absorbing cotton 440 are sequentially bonded from inside to outside.

[0037] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A thermal power plant steam pipe thermal and acoustic insulation jacket, characterized in that, The utility model provides a steam pipe, including first straight pipe (100), a plurality of elbow assembly (200), second straight pipe (300) and heat preservation sound insulation layer (400); The heat preservation sound insulation layer (400) is arranged in the first straight pipe (100), the elbow assembly (200) and the second straight pipe (300) respectively; The elbow assembly (200) includes arc cylinder (210), connecting block (220) and a plurality of screws (230); The arc cylinder (210) is provided with opening (260), the connecting block (220) is fixedly connected with the arc cylinder (210), and the screw (230) is detachably connected with the arc cylinder (210) and the connecting block (220) respectively; The arc cylinder (210) in a plurality of elbow assembly (200) is connected in head-to-tail mode; The first straight pipe (100) is connected with one end of a plurality of elbow assembly (200), and the second straight pipe (300) is connected with the other end of the plurality of elbow assembly (200).

2. A thermal power plant steam pipe thermal and acoustic insulation jacket according to claim 1, characterized in that, One end of the arc cylinder (210) is provided with convex (240), and the other end is provided with recess (250).

3. A thermal power plant steam pipe thermal and acoustic insulation jacket according to claim 2, characterized in that, The connecting strip (270) is arranged at the opening (260) of the arc cylinder (210), and the screw (230) is detachably connected with the connecting strip (270).

4. A thermal power plant steam pipe thermal and acoustic insulation jacket according to claim 3, characterized in that, The heat preservation sound insulation layer (400) includes nano aerogel felt (410), aluminum silicate fiber (420), damping sound insulation felt (430) and sound absorbing cotton (440); The nano aerogel felt (410) is used to be connected with a steam pipe, the aluminum silicate fiber (420) is connected with the nano aerogel felt (410), the damping sound insulation felt (430) is connected with the aluminum silicate fiber (420), the sound absorbing cotton (440) is connected with the damping sound insulation felt (430), and it is connected with the first straight pipe (100), a plurality of elbow assembly (200) and the second straight pipe (300) respectively.

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