A steam turbine thermal insulation protection structure

Abstract

The utility model belongs to the technical field of steam turbines, and is particularly a heat insulation protection structure for a steam turbine, including a steam turbine and a coupling module. A heat insulation protection shell is arranged on the outside of the steam turbine, a cover is arranged at one end of the heat insulation protection shell, a fan installation shell is arranged on the outside of the heat insulation protection shell, and the heat insulation protection shell includes a base, an outer shell is arranged on the outside of the base, a transmission mechanism is arranged on the outer shell, and the base includes an embedding hole and a heat conduction component. The utility model blocks heat from penetrating the transmission mechanism through the heat insulation protection shell, the cover, the fan installation shell, the base, the embedding hole, the heat conduction component, the outer shell, and the aerogel layer, so as to avoid heat dissipation in the environment where the steam turbine is located, thereby ensuring the heat insulation effect. Through the base, the outer shell, the transmission mechanism, the interlayer, the transmission cavity, and the aerogel layer, the heat insulation protection shell can transport heat outward while achieving the heat insulation protection effect, thereby avoiding heat accumulation inside the heat insulation protection shell and improving the use effect.

Description

Technical Field

[0001] The utility model relates to the technical field of steam turbines, in particular to a steam turbine heat insulation protection structure. Background Art

[0002] A steam turbine, also known as a steam turbine engine, is a rotary steam power device. High-temperature and high-pressure steam passes through a fixed nozzle and becomes an accelerated airflow, which is then sprayed onto the blades, causing the rotor with the blades to rotate and perform work externally. Steam turbines are the main equipment in modern thermal power plants and are also used in the metallurgical industry, chemical industry, and ship power devices. Their working principle is to use high-pressure steam or gas to drive the blades to rotate and generate power.

[0003] The prior art has the following deficiencies: Application No. 202320217295.2 in the prior art proposes a turbine thermal insulation protection structure, including a turbine, wherein both sides of the front and back of the turbine are movably connected with rocker arms through pin shafts, and the side of the rocker arm away from the turbine is fixedly connected with a baffle plate located on both sides of the turbine, and the top of the rocker arm is fixedly connected with a sleeve plate, and the top and bottom of the front of the turbine are fixedly connected with a vertical plate, and the inner side of the vertical plate is movably connected with a screw through a bearing, and the surface of the screw is threadedly connected with a transmission plate, and the left and right sides of the transmission plate are fixedly connected with a sliding rod located inside the sleeve plate, and the sliding rod is slidably connected to the sleeve plate, and the inner side of the vertical plate is fixedly connected with a guide rod, and the guide rod is located on both sides of the screw, and the transmission plate is sleeved on the surface of the guide rod and slidably connected to the guide rod.

[0004] When in use, the above-mentioned equipment uses baffles and thermal insulation rubber sheets to achieve the effect of thermal insulation protection, but its specific material and structure are not accurately stated, the thermal insulation principle is not clear, the overall structure is relatively simple, and the thermal insulation effect is general. At the same time, when the baffles and thermal insulation rubber sheets are used for thermal insulation protection, the heat inside the turbine cannot be transferred outward and is always inside the thermal insulation protection structure, and the use effect is general. Utility Model Content

[0005] In view of the deficiencies of the prior art, the utility model provides a steam turbine thermal insulation protection structure to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a steam turbine heat insulation protection structure, comprising a steam turbine and a coupling module, a heat insulation protection shell is arranged on the outside of the steam turbine, a sealing cover is arranged at one end of the heat insulation protection shell, a fan installation shell is arranged on the outside of the heat insulation protection shell, the heat insulation protection shell comprises a base body, an outer shell is arranged on the outside of the base body, a transmission mechanism is arranged on the outer shell, an interlayer is arranged between the outer shell and the base body, a transmission cavity is opened in the transmission mechanism, and an aerogel layer is arranged on the inner wall of the outer shell;

[0007] The base comprises an embedding hole and a heat conduction component. The base is provided with an embedding hole, and the heat conduction component is arranged in the embedding hole.

[0008] As a preferred technical solution of the utility model: the output end of the coupling module is fixedly connected to one end of the steam turbine, and the heat-insulating protective shell is matched with the sealing cover and is sealed.

[0009] As a preferred technical solution of the utility model: there are several groups of embedding holes, which are arranged in a matrix as a whole, the heat conduction components are adapted to the embedding holes, the heat conduction components are fixedly inserted in the embedding holes, and the heat conduction components are specifically made of ceramics.

[0010] As a preferred technical solution of the utility model: the outer shell and the base are integrally formed, and the transmission cavity is communicated with the interlayer.

[0011] As a preferred technical solution of the utility model: the transmission mechanism and the outer shell are integrally formed, and the aerogel layer is fixedly attached to the inner wall of the outer shell.

[0012] As a preferred technical solution of the utility model: the fan installation shell is fixedly installed on the outside of the heat-insulating protective shell, a fan is fixedly installed in the fan installation shell and the output end is connected to the interlayer.

[0013] As a preferred technical solution of the utility model: the base and the outer shell are both cast from steel, the composition structure of the cover is consistent with the structure of the heat-insulating protective shell, and the cover is provided with a hole adapted to the output end of the coupling module.

[0014] Compared with the prior art, the utility model provides a steam turbine thermal insulation protection structure, which has the following beneficial effects:

[0015] 1. A steam turbine thermal insulation protection structure, by arranging a thermal insulation protection shell, a cover, a fan mounting shell, a substrate, an embedding hole, a heat conduction component, an outer shell, and an aerogel layer, the generated heat is first gathered in the thermal insulation protection shell, and is transferred to the outer surface of the interlayer and the substrate through the heat conduction component and the steel substrate over time. At this time, the excellent thermal insulation effect of the aerogel layer will block the heat from penetrating the transmission mechanism, avoiding dissipation in the environment where the steam turbine is located, thereby ensuring the thermal insulation effect.

[0016] 2. This kind of steam turbine thermal insulation protection structure is provided with a base, an outer shell, a transmission mechanism, an interlayer, a transmission cavity, and an aerogel layer. The fan in the air-blower installation shell is started, and the fan moves into the interlayer. As the fan continuously delivers wind, the air in the interlayer is filled and will be transmitted outward in the transmission cavity, and finally transported to the outside through the connected insulation pipe. The air flowing in the interlayer will take away the heat from the outer surface of the interlayer and the base and transport it to the outside. The insulation protection shell can transport heat outward while playing the insulation protection effect, so as to avoid heat accumulation inside the insulation protection shell and improve the use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 For this utility model Figure 1 A is an enlarged structural diagram;

[0019] Figure 3 This is a schematic diagram of the base structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the outer shell structure of the utility model.

[0021] In the figure: 1. steam turbine; 2. coupling module; 3. heat-insulating protective shell; 4. cover; 5. fan mounting shell; 6. base; 601. embedding hole; 602. heat conduction component; 7. outer shell; 8. transmission mechanism; 9. interlayer; 10. transmission cavity; 11. aerogel layer. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 In this embodiment: a steam turbine heat insulation protection structure comprises a steam turbine 1 and a coupling module 2, a heat insulation protection shell 3 is arranged on the outside of the steam turbine 1, a sealing cover 4 is arranged at one end of the heat insulation protection shell 3, a fan installation shell 5 is arranged on the outside of the heat insulation protection shell 3, the heat insulation protection shell 3 comprises a base body 6, through which the base body 6 can cooperate with the outer shell 7 to form an interlayer 9 for air circulation, an outer shell 7 is arranged on the outer shell 7, a transmission mechanism 8 is arranged on the outer shell 7, an interlayer 9 is arranged between the outer shell 7 and the base body 6, a transmission cavity 10 is opened in the transmission mechanism 8, and an aerogel layer 11 is arranged on the inner wall of the outer shell 7;

[0024] The base body 6 includes an embedding hole 601 and a heat conduction component 602 . The base body 6 is provided with the embedding hole 601 , and the heat conduction component 602 is arranged in the embedding hole 601 . The heat conduction component 602 can be easily installed through the embedding hole 601 .

[0025] In this embodiment, the output end of the coupling module 2 is fixedly connected to one end of the steam turbine 1, and the heat-insulating protective shell 3 is adapted to the cover 4 and sealed; there are a total of several groups of embedded holes 601, and the embedded holes 601 are arranged in a matrix as a whole. The heat conduction component 602 is adapted to the embedded holes 601, and the heat conduction component 602 is fixedly inserted in the embedded holes 601. The heat conduction component 602 is specifically made of ceramic, and the heat generated by the steam turbine 1 can be quickly transferred to the interlayer 9 through the heat conduction component 602; the outer shell 7 and the base 6 are integrally formed, and the transmission cavity 10 is connected to the interlayer 9. The air circulation can be guaranteed through the transmission cavity 10 and the interlayer 9, thereby bringing The transmission mechanism 8 and the outer shell 7 are integrally formed, and the aerogel layer 11 is fixedly attached to the inner wall of the outer shell 7. The aerogel layer 11 can provide an effective temperature blocking effect; the fan mounting shell 5 is fixedly installed on the outside of the heat-insulating protective outer shell 3, and a fan is fixedly installed in the fan mounting shell 5, and the output end is connected with the interlayer 9. The fan mounting shell 5 is convenient for fan installation and can protect the fan; the base 6 and the outer shell 7 are both cast with steel, and the composition structure of the cover 4 is consistent with the composition of the heat-insulating protective outer shell 3. The cover 4 is provided with a hole adapted to the output end of the coupling module 2, and the heat-insulating protective outer shell 3 can be easily closed by the cover 4.

[0026] Working principle and use process of the utility model: In actual use, the device is placed in a suitable position and connected to an external power supply and related equipment. At the same time, the tail of the transmission mechanism 8 is connected to the heat-insulating pipe, and the other end of the heat-insulating pipe is led to the outside. During the operation of the steam turbine 1, the steam turbine 1 generates a large amount of heat. The generated heat is first accumulated in the heat-insulating protective shell 3, and over time, it is simultaneously transferred to the interlayer 9 and the outer surface of the matrix 6 through the heat conduction component 602 and the steel matrix 6. At this time, the excellent heat insulation effect of the aerogel layer 11 will block the heat from penetrating The transmission mechanism 8 is used to prevent the heat from dissipating in the environment where the steam turbine 1 is located, thereby ensuring the heat insulation effect. At the same time, the fan in the air-blower installation shell 5 is started, and the fan is directed into the interlayer 9. As the fan continues to deliver wind, the air in the interlayer 9 is filled and will be transmitted outward in the transmission cavity 10, and finally transported to the outside through the connected insulation pipe. The air flowing in the interlayer 9 will take away the heat from the outer surface of the interlayer 9 and the matrix 6 and transport it to the outdoors. The heat-insulating protective shell 3 can transport heat outward while achieving the heat-insulating protection effect, thereby preventing heat from accumulating inside the heat-insulating protective shell 3 and improving the use effect.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A steam turbine heat insulation protection structure, comprising a steam turbine (1) and a coupling module (2), characterized in that: A heat-insulating protective shell (3) is arranged on the outside of the steam turbine (1), a sealing cover (4) is arranged at one end of the heat-insulating protective shell (3), a fan mounting shell (5) is arranged on the outside of the heat-insulating protective shell (3), the heat-insulating protective shell (3) comprises a base (6), an outer shell (7) is arranged on the outside of the base (6), a transmission mechanism (8) is arranged on the outer shell (7), an interlayer (9) is arranged between the outer shell (7) and the base (6), a transmission cavity (10) is provided in the transmission mechanism (8), and an aerogel layer (11) is arranged on the inner wall of the outer shell (7); The base (6) comprises an embedding hole (601) and a heat conduction component (602); the base (6) is provided with an embedding hole (601), and the heat conduction component (602) is arranged in the embedding hole (601).

2. A steam turbine thermal insulation protection structure according to claim 1, characterized in that: The output end of the coupling module (2) is fixedly connected to one end of the steam turbine (1), and the heat-insulating protective housing (3) is matched with the sealing cover (4) and is sealedly connected.

3. A steam turbine thermal insulation protection structure according to claim 1, characterized in that: The embedding holes (601) have a total of several groups, and the embedding holes (601) are arranged in a matrix as a whole. The heat conduction components (602) are compatible with the embedding holes (601), and the heat conduction components (602) are fixedly inserted in the embedding holes (601). The heat conduction components (602) are specifically made of ceramic.

4. A steam turbine thermal insulation protection structure according to claim 1, characterized in that: The outer shell (7) and the base body (6) are integrally formed, and the transmission cavity (10) is in communication with the interlayer (9).

5. The steam turbine thermal insulation protection structure according to claim 1, characterized in that: The transmission mechanism (8) and the outer shell (7) are integrally formed, and the aerogel layer (11) is fixedly attached to the inner wall of the outer shell (7).

6. A steam turbine thermal insulation protection structure according to claim 1, characterized in that: The fan installation shell (5) is fixedly installed on the outside of the heat-insulating protective shell (3); a fan is fixedly installed in the fan installation shell (5) and the output end is connected to the interlayer (9).

7. A steam turbine thermal insulation protection structure according to claim 1, characterized in that: The base (6) and the outer shell (7) are both cast from steel, the composition structure of the cover (4) is consistent with the composition of the heat-insulating protective shell (3), and the cover (4) is provided with a hole that is compatible with the output end of the coupling module (2).

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