CN216518173U

CN216518173U - Steam turbine backheating system pipeline

Info

Publication number: CN216518173U
Application number: CN202122208150.XU
Authority: CN
Inventors: 丁辉; 张宪岭; 颜刚; 时标; 梁学东; 张允洲; 崔玉岭
Original assignee: Huaneng Nanjing Jinling Power Generation Co Ltd
Current assignee: Huaneng Nanjing Jinling Power Generation Co Ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-05-13
Anticipated expiration: 2031-09-13

Abstract

The utility model discloses a steam turbine heat regenerative system pipeline which comprises a heat regenerative pipeline, wherein a collecting box is fixedly connected to one side of the heat regenerative pipeline, a drain pipe is fixedly connected to the bottom of the collecting box, a filter plate is fixedly connected to one side, located on the collecting box, of the interior of the heat regenerative pipeline, a rotating shaft is rotatably connected to the bent part of the heat regenerative pipeline, a rotating impeller is fixedly connected to the outer side wall of the rotating shaft, a rotating sleeve is fixedly connected to the outer side wall of the rotating shaft, a plurality of telescopic springs are fixedly connected to the outer side wall of the rotating sleeve, one end, far away from the rotating sleeve, of each telescopic spring is fixedly connected with a first magnetic block, a plurality of second magnetic blocks are fixedly connected to the bent part of the outer side wall of the heat regenerative pipeline, the rotating shaft is arranged in an inclined mode, and one end of the rotating shaft is located on the top of the heat regenerative pipeline. According to the utility model, through the matching of the rotating shaft, the first magnetic block and the second magnetic block, the cleaning efficiency of workers is improved, and time and labor are saved.

Description

Steam turbine backheating system pipeline

Technical Field

The utility model relates to the technical field of turbine heat regeneration, in particular to a turbine heat regeneration system pipeline.

Background

The steam extraction heat recovery system has the effects that the steam extraction heat recovery system is the most basic component of a principle thermodynamic system, the steam heating boiler feed water is adopted for reducing the loss of a cold source, a certain amount of steam does partial work and then does not release heat to the air in a condenser, namely, the heat of the steam is prevented from being taken away by the air, so that the heat efficiency of the steam is fully utilized and is reduced, the feed water temperature is improved due to the fact that the steam which does partial work in a steam turbine is utilized for heating the feed water, the heat transfer temperature difference of a heating surface of the boiler is reduced, the irreversible loss in the feed water heating process is reduced, the heat absorption quantity in the boiler is correspondingly reduced, and the reason is comprehensively shown that the cycle thermal efficiency of a unit is improved by the steam extraction heat recovery system, so that the normal operation of the steam extraction heat recovery system has a decisive influence on the improvement of the thermal economy of the unit.

Long-time use steam turbine heat return circuit can make the inner wall adhesion of pipeline a lot of impurity, reduces the life of pipeline, has also reduced work efficiency simultaneously, and current method clears up through the manual work, but the bend of pipeline makes the staff hardly handle, handles to get up to waste time and energy, for this reason, provides a steam turbine heat return system pipeline.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a steam turbine regenerative system pipeline.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a steam turbine backheat system pipeline, includes the heat return pipeline, one side fixedly connected with collecting box of heat return pipeline, the bottom fixedly connected with blow off pipe of collecting box, the inside of heat return pipeline is located one side fixedly connected with filter of collecting box, the bend department of heat return pipeline rotates and is connected with the axis of rotation, the lateral wall fixedly connected with of axis of rotation rotates the impeller, the lateral wall fixedly connected with of axis of rotation rotates the cover, a plurality of expanding spring of lateral wall fixedly connected with of rotating the cover, expanding spring keeps away from the first magnetic path of one end fixedly connected with that rotates the cover, a plurality of second magnetic paths of fixedly connected with of heat return pipeline lateral wall bend department.

Preferably, the rotating shaft is arranged in an inclined manner, one end of the rotating shaft is located at the top of the heat return pipeline, and the other end of the rotating shaft is located on one side of the heat return pipeline.

Preferably, a plurality of filter holes are formed in the filter plate, and the filter plate is obliquely arranged.

Preferably, the bottom of the collecting box is provided with a connecting hole, and the sewage draining pipe is communicated with the collecting box through the connecting hole.

Preferably, the top and one side of the heat return pipeline are both provided with a rotating groove, and the rotating shaft is rotatably connected with the heat return pipeline through the rotating groove.

Preferably, a connecting groove is formed in one side, located on the collecting box, of the heat return pipeline, and the collecting box is communicated with the inside of the heat return pipeline through the connecting groove.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the steam turbine regenerative system pipeline provided by the utility model, through the matching of the rotating shaft, the telescopic spring, the first magnetic block and the second magnetic block, when steam enters the regenerative pipeline from the air inlet, the rotating impeller is driven to rotate when the steam flows from the bend of the regenerative pipeline through the gas flow principle, so that the rotating shaft, the telescopic spring and the first magnetic block rotate, the first magnetic block rotates to impact the bend of the regenerative pipeline under the action of the second magnetic block, and dust adhered to the bend of the regenerative pipeline falls off.

2. According to the steam turbine heat recovery system pipeline provided by the utility model, through the matching among the collection box, the filter plate and the blow-off pipe, the cleaned impurities fall on the filter plate, and the impurities flow into the collection box by utilizing the inclined arrangement of the filter plate and are finally discharged from the blow-off pipe.

Drawings

FIG. 1 is a schematic structural diagram of a steam turbine regenerative system pipeline according to the present invention;

FIG. 2 is a schematic cross-sectional structural diagram of a pipeline of a turbine regenerative system according to the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is a schematic diagram of a second magnetic block.

In the figure: the device comprises a 1 heat return pipeline, a 2 collecting box, a 3 filter plate, a 4 rotating shaft, a 401 rotating impeller, a 402 rotating sleeve, a 403 expansion spring, a 404 first magnetic block and a 405 second magnetic block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

A steam turbine heat regeneration system pipeline comprises a heat regeneration pipeline 1, a collecting box 2 is fixedly connected to one side of the heat regeneration pipeline 1, a connecting groove is formed in one side, located on the collecting box 2, of the heat regeneration pipeline 1, the collecting box 2 is communicated with the inside of the heat regeneration pipeline 1 through the connecting groove, a drain pipe 5 is fixedly connected to the bottom of the collecting box 2, a connecting hole is formed in the bottom of the collecting box 2, the drain pipe 5 is communicated with the collecting box 2 through the connecting hole, a filter plate 3 is fixedly connected to one side, located on the collecting box 2, of the inside of the heat regeneration pipeline 1, a plurality of filter holes are formed in the filter plate 3, the filter plate 3 is arranged in an inclined mode, cleaned impurities fall onto the filter plate 3 through cooperation between the collecting box 2, the filter plate 3 and the drain pipe 5, the impurities flow into the collecting box 2 and are finally discharged from the drain pipe 5 by utilizing the filter plate 3 as the inclined mode that the impurities need to be explained, through the arrangement, impurities are effectively collected, and damage to the heat return pipeline caused by the impurities is avoided;

the rotary shaft 4 is rotatably connected at the curved part of the heat recovery pipeline 1, the rotary shaft 4 is arranged in an inclined manner, one end of the rotary shaft 4 is positioned at the top of the heat recovery pipeline 1, the other end of the rotary shaft 4 is positioned at one side of the heat recovery pipeline 1, the top and one side of the heat recovery pipeline 1 are both provided with a rotary groove, the rotary shaft 4 is rotatably connected with the heat recovery pipeline 1 through the rotary groove, the outer side wall of the rotary shaft 4 is fixedly connected with a rotary impeller 401, the outer side wall of the rotary shaft 4 is fixedly connected with a rotary sleeve 402, the outer side wall of the rotary sleeve 402 is fixedly connected with a plurality of expansion springs 403, one end of each expansion spring 403, which is far away from the rotary sleeve 402, is fixedly connected with a first magnetic block 404, the curved part of the outer side wall of the heat recovery pipeline 1 is fixedly connected with a plurality of second magnetic blocks 405, and through the cooperation between the rotary shaft 4, the expansion springs 403, the first magnetic block 404 and the second magnetic blocks 405, through the gas flow principle, drive and rotate impeller 401 and rotate, and then make axis of rotation 4, expanding spring 403 and first magnetic path 404 rotate, make first magnetic path 404 utilize the effect of second magnetic path 405 to rotate the bend department that hits heat return pipe way 1, make the adhesion drop at the dust of heat return pipe way 1 bend department, it is said that through such setting, promoted staff's cleaning efficiency, labour saving and time saving.

The functional principle of the present invention as shown in fig. 1-3 can be illustrated by the following operation: when the heat return pipeline 1 works, steam enters the heat return pipeline 1, and by using the gas flow principle, when the steam passes through the bend of the heat return pipeline 1, the rotary impeller 401 is driven to rotate, so that the rotary shaft 401, the expansion spring 403 and the first magnetic block 404 are driven to rotate, and by using the action of attraction force among magnets, the first magnetic block 403 rotates to impact the bend of the heat return pipeline 1 and rotates to impact the inner side wall of the heat return pipeline 1;

when the impurity of clearing up is located at the bend drops on filter 3, utilize filter 3 to set up for the slope, make impurity flow in collecting box 2, discharge through blow off pipe 5 at last, it needs to explain that, through such setting, effectual impurity of having collected avoids impurity to give the harm that heat return pipe says 1 and bring.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A steam turbine heat regenerative system pipeline comprises a heat regenerative pipeline (1) and is characterized in that, one side of the heat return pipeline (1) is fixedly connected with a collecting box (2), the bottom of the collecting box (2) is fixedly connected with a sewage discharge pipe (5), a filter plate (3) is fixedly connected with one side of the collection box (2) in the heat return pipeline (1), a rotating shaft (4) is rotatably connected at the bent part of the heat return pipeline (1), a rotating impeller (401) is fixedly connected on the outer side wall of the rotating shaft (4), the outer side wall of the rotating shaft (4) is fixedly connected with a rotating sleeve (402), the outer side wall of the rotating sleeve (402) is fixedly connected with a plurality of telescopic springs (403), one end of the extension spring (403) far away from the rotating sleeve (402) is fixedly connected with a first magnetic block (404), the outer side wall curve of the heat return pipeline (1) is fixedly connected with a plurality of second magnetic blocks (405).

2. The steam turbine regenerative system pipeline according to claim 1, characterized in that the rotating shaft (4) is disposed obliquely, one end of the rotating shaft (4) is located at the top of the regenerative pipe (1), and the other end of the rotating shaft (4) is located at one side of the regenerative pipe (1).

3. The steam turbine regenerative system pipeline according to claim 1, characterized in that a plurality of filter holes are formed on the filter plate (3), and the filter plate (3) is disposed in an inclined manner.

4. The steam turbine regenerative system pipeline according to claim 1, characterized in that a connecting hole is formed at the bottom of the collecting box (2), and the drain pipe (5) is communicated with the collecting box (2) through the connecting hole.

5. The steam turbine heat recovery system pipeline according to claim 1, wherein a rotating groove is formed in both the top and one side of the heat recovery pipeline (1), and the rotating shaft (4) is rotatably connected with the heat recovery pipeline (1) through the rotating groove.

6. The steam turbine heat recovery system pipeline according to claim 1, wherein the heat recovery pipeline (1) is provided with a connecting groove at one side of the collecting box (2), and the collecting box (2) is communicated with the inside of the heat recovery pipeline (1) through the connecting groove.