CN220487943U

CN220487943U - Ventilation structure of steam turbine room

Info

Publication number: CN220487943U
Application number: CN202321685524.XU
Authority: CN
Inventors: 海顺学; 冯颖博; 万瑞; 李科
Original assignee: Xi'an Kaineng Electric Power Environmental Protection Co ltd
Current assignee: Xi'an Kaineng Electric Power Environmental Protection Co ltd
Priority date: 2023-06-30
Filing date: 2023-06-30
Publication date: 2024-02-13
Anticipated expiration: 2033-06-30

Abstract

The utility model discloses a ventilation structure of a turbine room, which comprises an easy-to-disassemble ventilation fan structure arranged at the top of the turbine room, wherein the easy-to-disassemble ventilation fan structure comprises a hood, a fan and a protective screen frame, wherein the fan and the protective screen frame are arranged at the inner side of the hood; according to the utility model, the ventilation structure of the steam turbine room in the prior art is improved, and the ventilation fan structure easy to disassemble is designed, so that a hood and the steam turbine room body can be quickly disassembled by a later-stage operator through pressing the rotary disassembly structure, the disassembly, the maintenance and the overhaul of the ventilation fan are convenient, when the ventilation fan is damaged, the ventilation fan can be quickly disassembled and replaced by the operator, the timely recovery and the use of the ventilation structure when the ventilation structure is damaged are ensured, and the later-stage maintenance convenience of the ventilation structure is improved.

Description

Ventilation structure of steam turbine room

Technical Field

The utility model belongs to the technical field of a turbine room, and particularly relates to a turbine room ventilation structure.

Background

The steam turbine room is a machine room provided with equipment such as a steam turbine auxiliary machine, a circulating water pump, a deaerator, a condenser, a shaft cold water pump, a water supply pump, a condensate pump and the like in a thermal power plant, and the fire-proof steam turbine room for the power plant is disclosed in the prior patent with the publication number of CN213806825U, and comprises a base and a fire-fighting mechanism, wherein the upper end surface of the base is fixedly provided with a bracket, a temperature detector is fixedly arranged in the bracket, the fire-fighting mechanism is fixedly arranged on the base, the fire-fighting mechanism is positioned at the inner side of the bracket, the top of a main body of the steam turbine room is connected with a fan through bolts, the bottom of the fan is provided with an air outlet, and meanwhile, the air outlet penetrates through the top … … ″ of the main body of the steam turbine room;

however, because the ventilator in the ventilation structure of the turbine room is generally fixedly installed on the turbine room through a plurality of bolts, the disassembly and assembly convenience of the ventilator is low, and the ventilator is inconvenient to disassemble, assemble, maintain and overhaul for the ventilation structure, so that an operator cannot quickly disassemble, replace the ventilator when the ventilator is damaged, and timely recovery and use of the ventilation structure when the ventilator is damaged cannot be ensured.

Disclosure of Invention

The utility model aims to provide a ventilation structure of a steam turbine room, which solves the problem that the existing ventilation structure of the steam turbine room is difficult to disassemble, assemble and maintain in the later period.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a steam turbine room ventilation structure, including installing the easy dismouting ventilation fan structure at the steam turbine room body top and seting up a plurality of ventilation holes at the steam turbine room body front and back surface, easy dismouting ventilation fan structure includes the aircraft bonnet and installs at the inboard fan of aircraft bonnet and protection network frame, protection network frame is located the top of fan, and the top surface of the steam turbine room body has been seted up and has been supplied aircraft bonnet bottom male installing port, be provided with between aircraft bonnet and the steam turbine room body and press rotatory dismouting structure, press rotatory dismouting structure including seting up the movable groove in the aircraft bonnet inside, be provided with spring and movable block in the movable groove, the upper and lower surface of movable block is provided with cylindrical pressing piece and cylindrical inserted bar respectively, the inside of movable block runs through and is provided with cylindrical connecting block, it is fixed through cylindrical connecting block between cylindrical pressing piece and the cylindrical inserted bar, two sockets have been seted up for the bilateral symmetry of installing port to the top surface of the steam turbine room body, and one side inner wall of socket has been seted up and has been sideslip corresponding with the side block, the bottom of the steam turbine room is through the inboard of the steam turbine room body and runs through the side to the cylindrical side of the aircraft bonnet through the side to the inboard of the side of the body.

Preferably, the top end inner wall of the movable groove is provided with a circular top hole corresponding to the cylindrical pressing block, the circular top hole is communicated with the top surface of the hood, the bottom end inner wall of the movable groove is provided with a circular bottom hole corresponding to the cylindrical inserting rod, the circular bottom hole is communicated with the bottom surface of the hood, the top surface of the side block is fixedly provided with a limiting block, the inner side surface of the turbine room body is provided with a limiting groove relative to one side of the inserting opening, the limiting block is embedded into the limiting groove, the movable block is located at the top of the spring, the cylindrical inserting rod penetrates through the inner side of the spring, the top end surface of the cylindrical pressing block is fixedly provided with a shifting block, and the shifting block is in a strip shape.

Preferably, the inner wall symmetry of aircraft bonnet is fixed with a plurality of riding blocks, the laminating of the bottom surface of riding block and protection network frame, be provided with the dismouting bolt between protection network frame and the riding block, and be fixed through dismouting bolted connection between the two.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the ventilation structure of the steam turbine room in the prior art is improved, and the ventilation fan structure easy to disassemble is designed, so that a hood and the steam turbine room body can be quickly disassembled by a later-stage operator through pressing the rotary disassembly structure, the disassembly, the maintenance and the overhaul of the ventilation fan are convenient, when the ventilation fan is damaged, the ventilation fan can be quickly disassembled and replaced by the operator, the timely recovery and the use of the ventilation structure when the ventilation structure is damaged are ensured, and the later-stage maintenance convenience of the ventilation structure is improved.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a cross-sectional view of an easy-to-mount ventilation fan construction of the present utility model;

FIG. 3 is an enlarged view of a portion of the press-and-rotate type dismounting structure of FIG. 2 according to the present utility model;

in the figure: 1. the ventilating fan structure is easy to disassemble and assemble; 11. a hood; 12. a protective screen frame; 13. disassembling and assembling the bolts; 14. pressing the rotary dismounting structure; 141. a movable groove; 142. a spring; 143. a movable block; 144. a cylindrical plunger; 145. a side block; 146. a side slideway; 147. a socket; 148. a cylindrical pressing block; 149. a limiting block; 15. a fan; 16. a support block; 2. a vent hole; 3. a turbine room; 31. and (5) an installation port.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1 to 3, a first embodiment of the present utility model provides a technical solution: the utility model provides a steam turbine room ventilation structure, including installing the easy dismouting ventilation fan structure 1 at the steam turbine room body 3 top and offer a plurality of ventilation holes 2 at the steam turbine room body 3 front and back surface, easy dismouting ventilation fan structure 1 includes aircraft bonnet 11 and installs at the inboard fan 15 of aircraft bonnet 11 and protection network frame 12, protection network frame 12 is located the top of fan 15, can send the outside air into the inboard of steam turbine room body 3 after the later stage fan 15 starts, discharge from ventilation hole 2 again, reach ventilation and heat dissipation's effect, the top surface of steam turbine room body 3 has offered the erection mouth 31 that supplies aircraft bonnet 11 bottom to insert, be provided with press rotary type dismouting structure 14 between aircraft bonnet 11 and the steam turbine room body 3, press rotary type dismouting structure 14 is including offering the movable groove 141 in aircraft bonnet 11 inside, be provided with spring 142 and movable block 143 in the movable groove 141, the upper and lower surface of movable block 143 is provided with cylindrical press briquetting 148 and cylindrical inserted bar 144 respectively, the inside of the movable block 143 is penetrated and provided with a cylindrical connecting block, the cylindrical pressing block 148 and the cylindrical inserting rod 144 are fixed through the cylindrical connecting block, so that the cylindrical pressing block 148 can rotate together with the cylindrical inserting rod 144, two inserting holes 147 corresponding to the cylindrical inserting rod 144 are symmetrically arranged on the top surface of the steam turbine room body 3 relative to the two sides of the mounting opening 31, a side block 145 is fixedly welded on the bottom end surface of the cylindrical inserting rod 144, a side sliding channel 146 for the side block 145 to penetrate is arranged on one side inner wall of the inserting hole 147, the bottom end of the cylindrical inserting rod 144 penetrates to the inner side of the steam turbine room body 3 through the inserting hole 147, the side block 145 penetrates to the inner side of the steam turbine room body 3 through the side sliding channel 146, when the side block 145 is not aligned with the side sliding channel 146 any more, the side block 145 can be clamped on the inner side surface of the steam turbine room body 3, and the cylindrical inserting rod 144 is limited, therefore, the installation stability of the hood 11 is guaranteed, meanwhile, under the pushing action of the springs 142, the side blocks 145 can stably prop against the inner side of the turbine room body 3, and a clamping force is formed between the side blocks 145 and the top end of the hood 11, so that the installation stability of the hood 11 is high, when the hood 11 is to be detached, only the cylindrical pressing block 148 needs to be pressed down, the springs 142 are compressed by the movable blocks 143, the cylindrical inserting rod 144 moves downwards with the side blocks 145, the limiting blocks 149 move out of the limiting grooves, meanwhile, the cylindrical pressing block 148 rotates by one hundred eighty degrees, the cylindrical inserting rod 144 rotates by one hundred eighty degrees with the side blocks 145, the side blocks 145 can be aligned with the sideslip passages 146, at the moment, the hood 11 can be moved upwards, the side blocks 145 slide out of the sideslip passages 146, the hood 11 and the turbine room body 3 are quickly detached, the ventilation fan is quickly detached conveniently, and later-stage ventilation fan is quickly detached, and the top ends of the cylindrical pressing blocks 148 penetrate to the top of the hood 11.

Wherein, the top end inner wall of the movable slot 141 is provided with a circular top hole corresponding to the cylindrical pressing block 148, and the circular top hole is communicated with the top surface of the hood 11 for smooth penetration of the cylindrical pressing block 148, the bottom end inner wall of the movable slot 141 is provided with a circular bottom hole corresponding to the cylindrical inserting rod 144, and the circular bottom hole is communicated with the bottom surface of the hood 11 for smooth penetration of the cylindrical inserting rod 144.

Wherein, the top surface fixed of side piece 145 has stopper 149, and the limit groove corresponding with stopper 149 has been seted up for one side of socket 147 to the inboard surface of the turbine room body 3, and stopper 149 imbeds in the limit groove for the card that side piece 145 can be stable in the inboard surface of the turbine room body 3 in the daily use guarantees the installation stability of aircraft bonnet 11.

Wherein, the movable block 143 is located at the top of the spring 142, and the cylindrical inserting rod 144 passes through the inner side of the spring 142, so that the cylindrical inserting rod 144 does not influence the normal telescopic deformation of the spring 142, the top surface of the cylindrical pressing block 148 is fixed with a bar-shaped shifting block, and the shifting block is convenient for the operator to twist the cylindrical pressing block 148 in the later stage.

Example 2

Referring to fig. 1 to 3, a second embodiment of the present utility model is based on the previous embodiment, except that the stable installation of the protection frame 12 can be achieved by the supporting blocks 16 and the dismounting bolts 13, and the subsequent dismounting and cleaning of the protection frame 12 can also be achieved by the rotary dismounting of the dismounting bolts 13.

Specifically, the inner wall symmetry welded fastening of aircraft bonnet 11 has a plurality of riding blocks 16, and the laminating of the bottom surface of riding block 16 and protection network frame 12 is provided with dismouting bolt 13 between protection network frame 12 and the riding block 16, and connects fixedly through dismouting bolt 13 between the two, only need pull down dismouting bolt 13 in the later stage, can pull down protection network frame 12 from the inboard of aircraft bonnet 11 and clear up, prevents that the laying dust from too much influencing the normal business turn over of air.

Although embodiments of the present utility model have been shown and described in detail with reference to the foregoing detailed description, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a steam turbine room ventilation structure, is including installing easy dismouting ventilation fan structure (1) at steam turbine room body (3) top and seting up a plurality of ventilation holes (2) at steam turbine room body (3) front and back surface, its characterized in that: the easy-to-disassemble ventilating fan structure (1) comprises a hood (11) and a fan (15) and a protective screen frame (12) which are arranged on the inner side of the hood (11), the protective screen frame (12) is arranged above the fan (15), an installation opening (31) for the insertion of the bottom end of the hood (11) is formed in the top surface of a steam turbine room body (3), a pressing rotary disassembling structure (14) is arranged between the hood (11) and the steam turbine room body (3), the pressing rotary disassembling structure (14) comprises a movable groove (141) formed in the hood (11), a spring (142) and a movable block (143) are arranged in the movable groove (141), a cylindrical pressing block (148) and a cylindrical inserting rod (144) are respectively arranged on the upper surface and the lower surface of the movable block (143), a cylindrical connecting block is arranged in a penetrating mode, the cylindrical connecting block is fixed between the cylindrical pressing block (148) and the cylindrical inserting rod (144) through the cylindrical connecting block, two side-to-side symmetry sides of the top surface of the steam turbine room body (3) relative to the installation opening (31), two side sliding blocks (147) are arranged on the inner wall of the cylindrical inserting rod (145) and one side of the corresponding side (145), the bottom of cylindrical inserted link (144) runs through to the inboard of the turbine room body (3) through socket (147), and side piece (145) run through to the inboard of the turbine room body (3) through side slide (146), the top of cylindrical press piece (148) runs through to the top of aircraft bonnet (11).

2. A turbine room ventilation structure according to claim 1, characterized in that: the inner wall of the top end of the movable groove (141) is provided with a round top hole corresponding to the cylindrical pressing block (148), and the round top hole is communicated with the top surface of the hood (11).

3. A turbine room ventilation structure according to claim 1, characterized in that: the inner wall of the bottom end of the movable groove (141) is provided with a round bottom hole corresponding to the cylindrical inserted link (144), and the round bottom hole is communicated with the bottom surface of the hood (11).

4. A turbine room ventilation structure according to claim 1, characterized in that: a limiting block (149) is fixed on the top surface of the side block (145), a limiting groove is formed in the inner side surface of the turbine room body (3) opposite to one side of the socket (147), and the limiting block (149) is embedded into the limiting groove.

5. A turbine room ventilation structure according to claim 1, characterized in that: the movable block (143) is positioned at the top of the spring (142), and the cylindrical insert rod (144) passes through the inner side of the spring (142).

6. A turbine room ventilation structure according to claim 1, characterized in that: the top surface of the cylindrical pressing block (148) is fixedly provided with a poking block, and the poking block is strip-shaped.

7. A turbine room ventilation structure according to claim 1, characterized in that: the inner wall of the hood (11) is symmetrically fixed with a plurality of supporting blocks (16), and the supporting blocks (16) are attached to the bottom surface of the protective screen frame (12).

8. A turbine room ventilation structure according to claim 7, characterized in that: a dismounting bolt (13) is arranged between the protective screen frame (12) and the supporting block (16), and the protective screen frame and the supporting block are fixedly connected through the dismounting bolt (13).