Thermal insulation device for photo-thermal power generation pipeline

Abstract

The utility model provides a thermal insulation device for a photo-thermal power generation pipeline. The thermal insulation device comprises a photo-thermal power generation pipeline main body, a heat preservation cotton reinforcing layer is arranged on the outer side of the photo-thermal power generation pipeline body. A rock wool heat preservation layer is arranged on the outer side of the heat preservation cotton reinforcing layer. A plurality of sets of heat preservation foam layers are arranged on the outer side of the rock wool heat preservation layer. A rubber and plastic heat preservation layer is arranged on the outer side of the heat preservation foam layer. A wear-resistant layer is arranged on the outer side of the rubber and plastic heat preservation layer. The ends of the heat preservation cotton reinforcing layer, the rock wool heat preservation layer, the heat preservation foam layer, the rubber and plastic heat preservation layer and the abrasion-resistant layer are connected in an attached mode through connecting assemblies. Through the design of the connecting assembly, when the photo-thermal power generation pipeline main body or the heat preservation device goes wrong, the heat preservation device can be detached from the photo-thermal power generation pipeline main body, and therefore the photo-thermal power generation pipeline main body can be conveniently overhauled or a new heat preservation device can be conveniently replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of photothermal power generation, in particular to a photothermal power generation pipeline insulation device. Background Art

[0002] Solar thermal power generation refers to the use of large-scale arrays of parabolic or dish-shaped mirrors to collect solar thermal energy, provide steam through heat exchange devices, and combine with the technology of traditional steam turbine generators to achieve the purpose of power generation. Cold water is heated in the collector tube and then flows into the solar thermal furnace for heat circulation to generate hot steam. The hot steam enters the steam transmission pipe to drive the steam turbine.

[0003] In the prior art, once a problem occurs with a pipeline or an insulation device that affects normal use and requires maintenance, the insulation device needs to be disassembled to inspect the pipeline. However, the insulation device is inconvenient to disassemble, which easily leads to waste of the insulation device. Moreover, once the insulation device has been used for a long time, if a part of it becomes damaged, it needs to be replaced with a new insulation device, which also increases the cost of the insulation device. Utility Model Content

[0004] The utility model provides a photothermal power generation pipeline insulation device, which is used to solve the problem that the insulation device is inconvenient to install and disassemble.

[0005] To solve the above technical problems, the technical solution of this novel invention is as follows:

[0006] A thermal insulation device for a solar thermal power generation pipeline, comprising:

[0007] The main body of the CSP pipeline;

[0008] A thermal insulation cotton reinforcement layer is provided on the outer side of the main body of the solar thermal power generation pipeline;

[0009] A rock wool insulation layer is provided on the outer side of the insulation wool reinforcement layer;

[0010] The outer side of the rock wool insulation layer is provided with multiple groups of insulation foam layers;

[0011] A rubber-plastic insulation layer is provided on the outer side of the insulation foam layer;

[0012] A wear-resistant layer is provided on the outer side of the rubber-plastic insulation layer;

[0013] The ends of the thermal insulation wool reinforcement layer, the rock wool thermal insulation layer, the thermal insulation foam layer, the rubber and plastic thermal insulation layer, and the wear-resistant layer are all connected to each other by a connecting component.

[0014] Optionally, the connecting assembly includes a connecting block, a moving block, a clamping block, a fixing block and a limiting block;

[0015] The connecting block penetrates the rock wool insulation layer, the insulation foam layer, and the rubber-plastic insulation layer to connect the rock wool insulation layer, the insulation foam layer, and the rubber-plastic insulation layer;

[0016] The two ends of the connecting block are slidably connected with the moving blocks;

[0017] The two ends of the moving block are slidably connected with the clamping blocks;

[0018] The fixing blocks are respectively fixed to the wear-resistant layer and the rock wool insulation layer;

[0019] The two ends inside the fixing block are slidably connected with the limiting blocks.

[0020] Optionally, the external structural specifications of the moving block are set corresponding to the internal structural specifications of the connecting block;

[0021] A first compression spring is provided inside the connecting block and outside the moving block.

[0022] Optionally, the external structural specifications of the clamping block are set corresponding to the internal structural specifications of the moving block;

[0023] A second compression spring is provided inside the moving block, and the second compression spring is connected to the clamping block through the moving block.

[0024] Optionally, the external structural specifications of the limit block are set corresponding to the internal structural specifications of the fixed block;

[0025] A third compression spring is disposed at both ends of the interior of the fixing block, and the third compression spring is connected to the limiting block through the fixing block.

[0026] Optionally, two groups of connecting grooves are provided inside the rubber-plastic insulation layer, the insulation foam layer and the rock wool insulation layer;

[0027] The internal structural specifications of the connection groove are set corresponding to the external structural specifications of the connection block;

[0028] The rubber-plastic insulation layer, the insulation foam layer and the rock wool insulation layer are all connected to the connection block through the connection groove.

[0029] Optionally, a plurality of groups of elastic buffer sheets are provided inside the thermal insulation cotton reinforcement layer, and the plurality of groups of elastic buffer sheets are distributed at equal intervals inside the thermal insulation cotton reinforcement layer.

[0030] The above solution of the utility model includes at least the following beneficial effects:

[0031] The above scheme of the utility model includes: a solar thermal power generation pipeline body; a thermal insulation cotton reinforcement layer is provided on the outside of the solar thermal power generation pipeline body; a rock wool insulation layer is provided on the outside of the thermal insulation cotton reinforcement layer; multiple groups of thermal insulation foam layers are provided on the outside of the rock wool insulation layer; a rubber and plastic insulation layer is provided on the outside of the thermal insulation foam layer; a wear-resistant layer is provided on the outside of the rubber and plastic insulation layer; the ends of the thermal insulation cotton reinforcement layer, the rock wool insulation layer, the thermal insulation foam layer, the rubber and plastic insulation layer, and the wear-resistant layer are all connected to each other through a connecting component. In this technical solution, through the design of the connecting component, when there is a problem with the solar thermal power generation pipeline body or the insulation device, the insulation device can be removed from the solar thermal power generation pipeline body, so as to facilitate the maintenance of the solar thermal power generation pipeline body or the replacement of a new insulation device, and at the same time avoid the need to remove all the insulation devices on the solar thermal power generation pipeline body, and avoid increasing the consumption cost on the insulation of the solar thermal power generation pipeline body. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 This is a schematic diagram of the overall structure of a thermal insulation device for a solar thermal power generation pipeline according to an embodiment of the utility model;

[0033] Figure 2 It is a schematic diagram of the main structure of the photothermal power generation pipeline in the photothermal power generation pipeline insulation device of the embodiment of the utility model;

[0034] Figure 3 This is a schematic diagram of the structure of the connection components in the thermal power generation pipeline insulation device of the embodiment of the utility model;

[0035] Figure 4 This is a schematic diagram of the structure of an elastic buffer sheet of a thermal insulation device for a solar thermal power generation pipeline according to an embodiment of the utility model;

[0036] Reference numerals:

[0037] 1. Solar thermal power generation pipeline body; 2. Insulation cotton reinforcement layer; 3. Rock wool insulation layer; 4. Insulation foam layer; 5. Rubber and plastic insulation layer; 6. Wear-resistant layer; 7. Connection assembly; 8. Connection block; 9. Moving block; 10. Clamping block; 11. Fixed block; 12. Limiting block; 13. First compression spring; 14. Second compression spring; 15. Third compression spring; 16. Connection groove; 17. Elastic buffer sheet. DETAILED DESCRIPTION

[0038] The exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided to enable a more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0039] like Figures 1 to 4 As shown, the embodiment of the utility model provides a thermal insulation device for a solar thermal power generation pipeline, comprising:

[0040] Solar thermal power generation pipeline body 1;

[0041] A heat preservation cotton reinforcement layer 2 is provided on the outer side of the solar thermal power generation pipeline body 1;

[0042] A rock wool insulation layer 3 is provided on the outer side of the insulation wool reinforcement layer 2;

[0043] A plurality of groups of thermal insulation foam layers 4 are provided on the outer side of the rock wool thermal insulation layer 3;

[0044] A rubber-plastic insulation layer 5 is provided on the outer side of the insulation foam layer 4;

[0045] A wear-resistant layer 6 is provided on the outer side of the rubber-plastic insulation layer 5;

[0046] The ends of the thermal insulation wool reinforcement layer 2 , the rock wool thermal insulation layer 3 , the thermal insulation foam layer 4 , the rubber-plastic thermal insulation layer 5 , and the wear-resistant layer 6 are all connected to each other by a connecting component 7 .

[0047] In this embodiment, a heat-insulating cotton reinforcement layer 2 is provided on the outer side of the main body 1 of the solar thermal power generation pipeline. The heat-insulating cotton is made by melting high-purity clay clinker, alumina powder, silica powder, chrome sand and other raw materials at high temperature in an industrial electric furnace to form a fluid; then, compressed air is used to spray or a spinning machine is used to spin the fibers into a fiber shape, and the fibers are collected by a cotton collector to form heat-insulating cotton; the heat-insulating cotton has the characteristics of light weight, high strength, oxidation resistance, low thermal conductivity, good softness, corrosion resistance, small heat capacity and sound insulation;

[0048] The end of the insulation wool reinforcement layer 2 away from the main body 1 of the solar thermal power generation pipeline is provided with a rock wool insulation layer 3. The rock wool insulation board is made of natural rock as raw material, which is processed by high-temperature melting and fiberization to be made into granules, and then formed by a special process. It has good insulation, waterproof and fireproof properties;

[0049] A plurality of groups of thermal insulation foam layers 4 are provided at one end of the rock wool thermal insulation layer 3 away from the thermal insulation wool reinforcement layer 2. The thermal insulation foam layer can be made of polyurethane rigid foam. The polyurethane rigid foam is a high molecular polymer made of isocyanate and polyether as main raw materials, mixed with a foaming agent, a catalyst, a flame retardant and other additives through special equipment, and foamed on-site by high-pressure spraying. Other types of thermal insulation foams can also be selected according to needs;

[0050] The end of the thermal insulation foam layer 4 away from the rock wool thermal insulation layer 3 is provided with a rubber-plastic thermal insulation layer 5. The rubber-plastic material is made of high-quality rubber and polyvinyl chloride (NBR / PVC) as the main materials, and is a mixed foam material formed by mixing, mixing, continuous extrusion, heating foaming, cooling and cutting; the rubber-plastic thermal insulation material is an elastic closed-cell foam material, which has the advantages of low thermal conductivity, fire retardancy, moisture resistance, vibration reduction and noise reduction, environmental protection and health, long service life, elegant appearance, and easy installation;

[0051] The end of the rubber-plastic insulation layer 5 away from the insulation foam layer 4 is provided with a wear-resistant layer 6, which is more wear-resistant when the device moves, and at the same time protects the internal rubber-plastic insulation layer;

[0052] The wear-resistant layer 6, the rubber-plastic insulation layer 5, the insulation foam layer 4, the rock wool insulation layer 3 and the insulation wool reinforcement layer 2 are connected to each other by two sets of connection components 7;

[0053] The connection assembly 7 is used for quickly connecting the wear-resistant layer 6, the rubber-plastic insulation layer 5, the insulation foam layer 4, the rock wool insulation layer 3 and the insulation wool reinforcement layer 2 to each other.

[0054] The technical solution, through the design of the connection components, when there is a problem with the main body of the solar thermal power generation pipeline or the thermal insulation device, the thermal insulation device can be removed from the main body of the solar thermal power generation pipeline, thereby facilitating the maintenance of the main body of the solar thermal power generation pipeline or facilitating the replacement of a new thermal insulation device, while also avoiding the need to remove all the thermal insulation devices on the main body of the solar thermal power generation pipeline, thereby avoiding increased consumption costs on the thermal insulation of the main body of the solar thermal power generation pipeline.

[0055] In an optional embodiment of the utility model, the connecting assembly 7 includes a connecting block 8, a moving block 9, a clamping block 10, a fixing block 11 and a limiting block 12;

[0056] The connecting block 8 penetrates the rock wool insulation layer 3, the insulation foam layer 4, and the rubber-plastic insulation layer 5 to connect the rock wool insulation layer 3, the insulation foam layer 4, and the rubber-plastic insulation layer 5;

[0057] The two ends of the connecting block 8 are slidably connected with the moving blocks 9;

[0058] The two ends of the moving block 9 are slidably connected with the clamping blocks 10;

[0059] The fixing block 11 is fixed to the wear-resistant layer 6 and the rock wool insulation layer 3 respectively;

[0060] The two ends of the interior of the fixing block 11 are slidably connected with the limiting blocks 12 .

[0061] In this embodiment, the connecting assembly 7 is composed of a connecting block 8, a moving block 9, a clamping block 10, a fixed block 11 and a limit block 12. The connecting block 8 is located between the rubber-plastic insulation layer 5, the insulation foam layer 4 and the rock wool insulation layer 3. The two groups of moving blocks 9 are respectively slidably connected to the two ends of the connecting block 8, and the two groups of clamping blocks 10 are respectively slidably connected to the two ends of the moving block 9. The two groups of fixed blocks 11 are respectively located at one end where the wear-resistant layer 6 and the rock wool insulation layer 3 are close to each other. The two groups of limit blocks 12 are respectively slidably connected to the two ends inside the fixed block 11. When there is a problem with the solar thermal power generation pipeline body 1 or the insulation device, the insulation device can be removed from the solar thermal power generation pipeline body 1, so as to facilitate the inspection and maintenance of the solar thermal power generation pipeline body 1 or the replacement of a new insulation device. At the same time, it also avoids the need to remove all the insulation devices on the solar thermal power generation pipeline body 1, thereby avoiding increasing the consumption cost on the insulation of the solar thermal power generation pipeline body 1.

[0062] In an optional embodiment of the present utility model, the external structural specifications of the moving block 9 are set corresponding to the internal structural specifications of the connecting block 8;

[0063] A first compression spring 13 is disposed inside the connecting block 8 and outside the moving block 9 .

[0064] In this embodiment, the external structure size of the moving block 9 is designed to correspond to the internal structure size of the connecting block 8. A first compression spring 13 is provided inside the connecting block 8 and located on the outside of the moving block 9. The first compression spring 13 is connected to the two groups of moving blocks 9 through the connecting block 8, connecting the moving block 9 to the inside of the connecting block 8, so that the moving block 9 can be connected to the first compression spring 13 inside the connecting block 8, and the two groups of moving blocks 9 can be driven to move through the first compression spring 13.

[0065] In an optional embodiment of the utility model, the external structural specifications of the clamping block 10 are set corresponding to the internal structural specifications of the moving block 9;

[0066] A second compression spring 14 is disposed inside the moving block 9 , and the second compression spring 14 is connected to the clamping block 10 through the moving block 9 .

[0067] In this embodiment, the external structure size of the clamping block 10 is designed to correspond to the internal structure size of the moving block 9. Two groups of second compression springs 14 are provided inside the moving block 9. The second compression springs 14 are connected to the clamping block 10 through the moving block 9, connecting the clamping block 10 to the inside of the moving block 9, so that the clamping block 10 can be connected to the second compression spring 14 inside it, and the clamping block 10 can be driven to move through the second compression spring 14.

[0068] In an optional embodiment of the present utility model, the external structural specifications of the limit block 12 are set corresponding to the internal structural specifications of the fixed block 11;

[0069] The third compression springs 15 are disposed at both ends of the fixing block 11 , and the third compression springs 15 are connected to the limiting block 12 through the fixing block 11 .

[0070] In this embodiment, the external structure size of the limit block 12 is designed to correspond to the internal structure size of the fixed block 11. A third compression spring 15 is provided at both ends of the fixed block 11. The third compression spring 15 is connected to the limit block 12 through the fixed block 11, and the limit block 12 is connected to the interior of the fixed block 11, so that the limit block 12 can be connected to the third compression spring 15 inside it, and the limit block 12 can be driven to move through the third compression spring 15.

[0071] In an optional embodiment of the utility model, two groups of connecting grooves 16 are provided inside the rubber-plastic insulation layer 5, the insulation foam layer 4 and the rock wool insulation layer 3;

[0072] The internal structural specifications of the connecting groove 16 are set corresponding to the external structural specifications of the connecting block 8;

[0073] The rubber-plastic insulation layer 5 , the insulation foam layer 4 and the rock wool insulation layer 3 are all connected to the connection block 8 via the connection groove 16 .

[0074] In this embodiment, two groups of connecting grooves 16 are opened inside the rubber-plastic insulation layer 5, the insulation foam layer 4 and the rock wool insulation layer 3. The internal structure size of the connecting groove 16 is designed to correspond to the external structure size of the connecting block 8. The rubber-plastic insulation layer 5, the insulation foam layer 4 and the rock wool insulation layer 3 are all connected to the connecting block 8 through the connecting groove 16. The connecting block 8 is connected to the connecting groove 16, so that the connecting block 8 can be connected to the rubber-plastic insulation layer 5, the insulation foam layer 4 and the rock wool insulation layer 3.

[0075] In an optional embodiment of the present invention, a plurality of groups of elastic buffer sheets 17 are provided inside the thermal insulation cotton reinforcement layer 2 , and the plurality of groups of elastic buffer sheets 17 are distributed at equal intervals inside the thermal insulation cotton reinforcement layer 2 .

[0076] In this embodiment, a plurality of groups of elastic buffer sheets 17 are provided inside the thermal insulation cotton reinforcement layer 2. The plurality of groups of elastic buffer sheets 17 are evenly spaced inside the thermal insulation cotton reinforcement layer 2. When the solar thermal power generation pipeline body 1 is in use, it is impacted and can be buffered by the plurality of groups of elastic buffer sheets 17 to prevent the solar thermal power generation pipeline body 1 from being damaged and affecting its use.

[0077] The specific working scenario is as follows: in actual use, the connecting block 8 is connected to the connecting groove 16, so that the connecting block 8 can be connected to the rubber-plastic insulation layer 5, the insulation foam layer 4 and the rock wool insulation layer 3, and then the clamping block 10 is connected to the fixed block 11. The first compression spring 13 can drive the two groups of moving blocks 9 to move, so that the clamping block 10 can be moved to the inside of the fixed block 11, and the second compression spring 14 can drive the clamping block 10 to move, so that the clamping block 10 can be moved to the inside of the fixed block 11. The third compression spring 15 can drive the limit block 12 to move, so that the limit block 12 can limit the clamping block 10 to the fixed block 11. Internally, the wear-resistant layer 6, the rubber-plastic insulation layer 5, the insulation foam layer 4, the rock wool insulation layer 3 and the insulation wool reinforcement layer 2 are quickly connected to each other and to the solar thermal power generation pipeline body 1. When there is a problem with the solar thermal power generation pipeline body 1 or the insulation device, the insulation device can be removed from the solar thermal power generation pipeline body 1, so as to facilitate the inspection and maintenance of the solar thermal power generation pipeline body 1 or the replacement of a new insulation device. At the same time, it also avoids the need to remove all the insulation devices on the solar thermal power generation pipeline body 1, and avoids increasing the consumption cost of the insulation of the solar thermal power generation pipeline body 1. Compared with the existing insulation devices, the utility model can improve the overall practicality of the insulation device through design.

[0078] The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A thermal insulation device for a solar thermal power generation pipeline, characterized in that: include: A solar thermal power generation pipeline body (1); A heat-insulating cotton reinforcement layer (2) is provided on the outer side of the solar thermal power generation pipeline body (1); A rock wool insulation layer (3) is provided on the outer side of the insulation wool reinforcement layer (2); A plurality of groups of thermal insulation foam layers (4) are provided on the outer side of the rock wool thermal insulation layer (3); A rubber-plastic insulation layer (5) is provided on the outer side of the insulation foam layer (4); A wear-resistant layer (6) is provided on the outer side of the rubber-plastic thermal insulation layer (5); The ends of the thermal insulation cotton reinforcement layer (2), the rock wool thermal insulation layer (3), the thermal insulation foam layer (4), the rubber and plastic thermal insulation layer (5), and the wear-resistant layer (6) are all connected to each other by a connection assembly (7).

2. The thermal insulation device for solar thermal power generation pipeline according to claim 1, characterized in that: The connecting assembly (7) comprises a connecting block (8), a moving block (9), a clamping block (10), a fixing block (11) and a limiting block (12); The connecting block (8) penetrates the rock wool insulation layer (3), the insulation foam layer (4), and the rubber-plastic insulation layer (5), and connects the rock wool insulation layer (3), the insulation foam layer (4), and the rubber-plastic insulation layer (5); The two ends of the connecting block (8) are slidably connected to the moving blocks (9); The two ends of the moving block (9) are slidably connected to the clamping blocks (10); The fixing block (11) is fixed to the wear-resistant layer (6) and the rock wool insulation layer (3) respectively; The limiting blocks (12) are slidably connected at both ends inside the fixing block (11).

3. The thermal insulation device for solar thermal power generation pipeline according to claim 2, characterized in that: The external structural specifications of the moving block (9) are set corresponding to the internal structural specifications of the connecting block (8); A first compression spring (13) is provided inside the connecting block (8) and outside the moving block (9).

4. The thermal insulation device for solar thermal power generation pipeline according to claim 2, characterized in that: The external structural specifications of the clamping block (10) are arranged to correspond to the internal structural specifications of the moving block (9); A second compression spring (14) is provided inside the moving block (9), and the second compression spring (14) is connected to the clamping block (10) through the moving block (9).

5. The thermal insulation device for solar thermal power generation pipeline according to claim 2, characterized in that: The external structural specifications of the limit block (12) are set corresponding to the internal structural specifications of the fixed block (11); A third compression spring (15) is provided at both ends of the interior of the fixing block (11), and the third compression spring (15) is connected to the limiting block (12) through the fixing block (11).

6. The thermal insulation device for solar thermal power generation pipeline according to claim 2, characterized in that: Two groups of connection grooves (16) are provided inside the rubber-plastic insulation layer (5), the insulation foam layer (4) and the rock wool insulation layer (3); The internal structural specifications of the connecting groove (16) are arranged corresponding to the external structural specifications of the connecting block (8); The rubber-plastic insulation layer (5), the insulation foam layer (4) and the rock wool insulation layer (3) are all connected to the connection block (8) via the connection groove (16).

7. The thermal insulation device for solar thermal power generation pipeline according to claim 1, characterized in that: A plurality of groups of elastic buffer sheets (17) are arranged inside the thermal insulation cotton reinforcement layer (2), and the plurality of groups of elastic buffer sheets (17) are distributed at equal intervals inside the thermal insulation cotton reinforcement layer (2).

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