CN216008619U

CN216008619U - Steam turbine heat insulation device

Info

Publication number: CN216008619U
Application number: CN202121898671.6U
Authority: CN
Inventors: 刘新存
Original assignee: Songzi Kaidi Sunshine Bioenergy Development Co ltd
Current assignee: Songzi Kaidi Sunshine Bioenergy Development Co ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2022-03-11
Anticipated expiration: 2031-08-13

Abstract

The utility model discloses a heat insulation device of a steam turbine, belongs to the field of steam turbines, and solves the problem that potential safety hazards exist due to the fact that an existing steam turbine is not provided with the heat insulation device. This heat-proof device includes the heat-proof box that surrounds the steam turbine body, heat-proof box bottom be equipped with a plurality of supporting legs, the heat-proof box inner wall be equipped with thermal-insulated cotton, the heat-proof box inner wall still be equipped with temperature sensor, heat-proof box top be equipped with the exhaust fan, exhaust fan and temperature sensor electric connection, heat-proof box bottom be equipped with the cascade, be equipped with the U template in the heat-proof box of cascade middle part top, the both sides of U template all rotate through the axis of rotation and install the baffle, two the baffle cover in the top of cascade, and two the axis of rotation all be located the U template, still be equipped with the filter mantle on the heat-proof box of cascade below. The steam turbine heat insulation device can eliminate potential safety hazards of scalding workers and can timely cool the steam turbine.

Description

Steam turbine heat insulation device

Technical Field

The present invention relates to steam turbines, and more particularly, it relates to a steam turbine insulation.

Background

A steam turbine is a rotary steam power device, which is a main device of a modern thermal power plant and is also used in metallurgical industry, chemical industry and ship power devices. The steam turbine is at the working process, because the long-time work of steam turbine leads to the steam turbine temperature to rise sharply, in case the staff touches by accident carelessly, then can take place the potential safety hazard of scald to the steam turbine is in high temperature state for a long time, can greatly reduced steam turbine's life. Therefore, there is a need to develop a thermal insulation device for a steam turbine.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of the prior art, and provides a steam turbine heat insulation device which can eliminate potential safety hazards of scalding workers, can cool a steam turbine in time and effectively prolongs the service life of the steam turbine.

The technical scheme of the utility model is as follows: the utility model provides a steam turbine heat-proof device, includes the heat-proof box that surrounds the steam turbine body, heat-proof box bottom be equipped with a plurality of supporting legs, heat-proof box inner wall be equipped with thermal-insulated cotton, heat-proof box inner wall still be equipped with temperature sensor, heat-proof box top be equipped with the exhaust fan, exhaust fan and temperature sensor electric connection, heat-proof box bottom be equipped with the cascade, cascade and temperature sensor electric connection, be equipped with the U template in the heat-proof box of cascade middle part top, the both sides of U template all rotate through the axis of rotation and install the baffle, two the baffle cover in the top of cascade, and two the axis of rotation all be located the U template, still be equipped with the filter mantle on the heat-proof box of cascade below.

In a further improvement, the heat insulation box consists of two cover plates which are symmetrically arranged, and the two cover plates are detachably connected.

Furthermore, two sides of the butt joint end of each cover plate are respectively provided with a connecting flange, and the connecting flanges are connected through a plurality of fastening bolts and nuts.

Further, a plurality of lifting lugs are further arranged at the top of the heat insulation box.

Furthermore, a plurality of reflecting plates are arranged on the inner wall of the heat insulation cotton.

Furthermore, a filter screen is arranged on the heat insulation box above the exhaust fan.

Advantageous effects

According to the steam turbine heat insulation device, the heat insulation box is arranged on the periphery of the steam turbine body, the heat insulation cotton is arranged in the heat insulation box, the steam turbine can be isolated from the periphery, workers are prevented from directly touching the steam turbine, safety of production work is guaranteed, meanwhile, the temperature sensor and the exhaust fan are arranged in the heat insulation box, when the temperature sensor detects that the temperature in the heat insulation box reaches a certain temperature, the exhaust fan and the water curtain start to work, the exhaust fan extracts gas in the heat insulation box, external air flow enters the steam turbine through the water curtain, low-temperature air flow entering and high-temperature air flow discharging are achieved, the temperature of the steam turbine is timely reduced, and the service life of the steam turbine is effectively prolonged.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic cross-sectional structure of the present invention.

Wherein: 1-a steam turbine body, 2-a heat insulation box, 3-supporting legs, 4-heat insulation cotton, 5-a temperature sensor, 6-an exhaust fan, 7-a water curtain, 8-a U-shaped plate, 9-a rotating shaft, 10-a baffle, 11-a filter cover, 12-a connecting flange, 13-a fastening bolt, 14-a nut, 15-a lifting lug, 16-a reflecting plate and 17-a filter screen.

Detailed Description

The utility model is further described below with reference to examples, but not to be construed as being limited thereto, and any number of modifications which can be made by anyone within the scope of the claims are also within the scope of the claims.

Referring to fig. 1-2, the steam turbine heat insulation device of the present invention comprises a heat insulation box 2 enclosing a steam turbine body 1, a plurality of support legs 3 are provided at the bottom of the heat insulation box 2 to support the heat insulation box 2, heat insulation cotton 4 is provided at the inner wall of the heat insulation box 2 to prevent heat from being transferred to the heat insulation box 2, a temperature sensor 5 is further provided at the inner wall of the heat insulation box 2, an exhaust fan 6 is provided at the top of the heat insulation box 2, the exhaust fan 6 is electrically connected with the temperature sensor 5, a water curtain 7 is provided at the bottom of the heat insulation box 2, the water curtain 7 is located right below the exhaust fan 6, the exhaust fan 6 and the water curtain 7 are both located at the middle part of the heat insulation box 2, the water curtain 7 is electrically connected with the temperature sensor 5, a U-shaped plate 8 is provided in the heat insulation box 2 above the middle part of the water curtain 7, one end of an opening of the U-shaped plate 8 is provided on the heat insulation box 2 at both sides of the water curtain 7, baffles 10 are rotatably installed at both sides of the U-shaped plate 8 through a rotation shaft 9, make baffle 10U template 8 relatively rotate, two baffles 10 cover the top at cascade 7, shelter from cascade 7, prevent steam turbine body 1's iron fillings, oil impurity drops on cascade 7 and takes place the problem of jam, and two axis of rotation 9 all are located U template 8, after certain angle was opened to baffle 10, baffle 10 can be spacing by U template 8's side, prevent that baffle 10 is vertical and take place the problem of interference with steam turbine body 1, still be equipped with filter mantle 11 on heat-proof box 2 of cascade 7 below, prevent that external impurity from following the air current and wafting into in cascade 7.

The steam turbine heat insulation device of the utility model can isolate the steam turbine from the periphery by arranging the heat insulation box 2 at the periphery of the steam turbine body 1 and arranging the heat insulation cotton 4 in the heat insulation box 2, thereby preventing workers from directly touching the steam turbine, ensuring the safety of production work, meanwhile, when the temperature sensor 5 detects that the temperature in the heat insulation box 2 reaches a certain temperature, the exhaust fan 6 and the water curtain 7 start to work, the exhaust fan 6 extracts the gas in the heat insulation box 2, the external air flow enters the steam turbine through the water curtain 7, the low-temperature air flow enters, the high-temperature air flow is exhausted, the temperature of the steam turbine is timely reduced, the service life of the steam turbine is effectively prolonged, at the moment, the baffle plate 10 is opened under the action of wind force, the air flow is sprayed to the two ends of the heat insulation box 2 under the drainage of the baffle plate 10, and then is collected to the exhaust fan 6 in the middle part, can be with low temperature air current directive different positions to take away the high temperature air current of different positions, the cooling effect is better, and baffle 10 is at the cooling in-process simultaneously, because there is unstable factor in the velocity of flow of air current, and baffle 10 is even to have the swing, also can play certain vortex effect, further improves the cooling effect.

Preferably, the heat insulation box 2 is composed of two cover plates which are symmetrically arranged, and the two cover plates are detachably connected, so that the heat insulation box is convenient to disassemble, assemble and maintain.

Preferably, both sides of the butt joint end of each cover plate are provided with connecting flanges 12, and the connecting flanges 12 are connected through a plurality of fastening bolts 13 and nuts 14, so that the cover plates are convenient to disassemble and assemble.

Preferably, a plurality of lifting lugs 15 are further arranged at the top of the heat insulation box 2, so that the cover plate at the top can be lifted in the maintenance process, and the disassembly, assembly and maintenance are convenient.

Preferably, a plurality of reflection plates 16 are further provided on the inner wall of the heat insulation wool 4 to further prevent heat from being transferred to the heat insulation box 2.

Preferably, a filter screen 17 is further disposed on the heat insulation box 2 above the exhaust fan 6 to prevent impurities from falling on the exhaust fan 6.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various changes and modifications without departing from the structure of the utility model, which will not affect the effect of the utility model and the practicability of the patent.

Claims

1. The heat insulation device of the steam turbine is characterized by comprising a heat insulation box (2) which surrounds a steam turbine body (1), wherein a plurality of supporting legs (3) are arranged at the bottom of the heat insulation box (2), heat insulation cotton (4) is arranged on the inner wall of the heat insulation box (2), a temperature sensor (5) is further arranged on the inner wall of the heat insulation box (2), an exhaust fan (6) is arranged at the top of the heat insulation box (2), the exhaust fan (6) is electrically connected with the temperature sensor (5), a water curtain (7) is arranged at the bottom of the heat insulation box (2), the water curtain (7) is electrically connected with the temperature sensor (5), a U-shaped plate (8) is arranged in the heat insulation box (2) above the middle of the water curtain (7), baffle plates (10) are rotatably arranged on two sides of the U-shaped plate (8) through a rotating shaft (9), and the two baffle plates (10) cover the top of the water curtain (7), and two rotating shafts (9) are positioned in the U-shaped plates (8), and a filtering cover (11) is further arranged on the heat insulation box (2) below the water curtain (7).

2. The steam turbine insulation system according to claim 1, characterized in that the insulation box (2) consists of two symmetrically arranged cover plates, which are detachably connected to each other.

3. The turbine insulation system according to claim 2, wherein each of the cover plates has a connecting flange (12) at both sides of the butt end, and the connecting flanges (12) are connected to each other by a plurality of fastening bolts (13) and nuts (14).

4. The steam turbine insulation system according to claim 2, wherein the top of the insulation box (2) is further provided with a plurality of lifting lugs (15).

5. The steam turbine insulation system according to any of claims 1 to 4, characterized in that the inner wall of the insulation wool (4) is further provided with a plurality of reflection plates (16).

6. The turbine insulation system according to claim 5, characterized in that a filter screen (17) is provided on the insulation box (2) above the exhaust fan (6).