CN217464764U

CN217464764U - Cooling and ventilating structure of steam turbine room

Info

Publication number: CN217464764U
Application number: CN202221008025.2U
Authority: CN
Inventors: 孙超
Original assignee: Huaneng Weihai Power Generation Co Ltd
Current assignee: Huaneng Weihai Power Generation Co Ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-09-20
Anticipated expiration: 2032-04-28

Abstract

The utility model discloses a steam turbine room cooling and ventilation structure, including the ventilation passageway, the internally mounted of ventilation passageway has the space baffle, and the top surface mounting of space baffle has the suction fan, the ventilation window is installed to the bottom of ventilation passageway, and the inside cooler bin that all installs in the inside left and right sides of ventilation passageway, communicate each other between the back of cooler bin and the ventilation passageway, be provided with the reposition of redundant personnel passageway in the middle of the inside of ventilation passageway, and the upper and lower both sides of reposition of redundant personnel passageway all settle there is cooling cascade. In this steam engine room cooling ventilation structure, through the setting of cooler bin, the cooler bin communicates with each other with the outside space of the separation of space partition board, and the both sides exhaust window and the hair-dryer of cooler bin communicate with each other, and so, the exhaust hot-blast of suction fan exhaust on the space partition board can get into the cooler bin in, after the cooling of cooler bin, from the exhaust window discharge back, utilize the air after the hair-dryer will cool down to flow back again and blow into in the steam engine room.

Description

Cooling and ventilating structure of steam turbine room

Technical Field

The utility model relates to a relevant technical field of steam turbine room specifically is a cooling and ventilating structure of steam turbine room.

Background

Main equipment has steam turbine and generator among the steam turbine room, in addition still has condenser, oxygen-eliminating device, heater, feed pump and condensate pump, and the steam turbine is used to change the heat energy of steam into rotatory mechanical energy to transmit and send the electric energy for the generator, and the steam turbine room is the indispensable facility in the power plant, and steam is great among the steam turbine room, needs installation ventilation structure to help the steam turbine room to cool down.

But the steam turbine room cooling ventilation structure who uses at present can not carry out cooling to the exhaust hot-air flow when ventilating to the steam turbine room that recycles leads to the cold air entering after not cooling among the steam turbine room, makes the temperature decline in the steam turbine room slower, and ventilation effect is relatively poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a steam turbine room cooling ventilation structure to solve the steam turbine room cooling ventilation structure who provides at present use in the above-mentioned background art, when ventilating, can not cool off the exhaust hot-air stream, and the steam turbine room that recirculates leads to the cold air entering after not cooling in the steam turbine room, makes the temperature decline in the steam turbine room slower, the relatively poor problem of ventilation effect.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a steam turbine room cooling ventilation structure, includes the ventilation passageway, the internally mounted of ventilation passageway has the space baffle, and the top surface mounting of space baffle has the suction fan, the ventilation window is installed to the bottom of ventilation passageway, and the inside cooler bin of all installing in the inside left and right sides of ventilation passageway, the left and right sides outside of ventilation passageway is connected with the ventilation pipe, and the one end that the ventilation passageway was kept away from to the ventilation pipe is connected with the pipeline line, communicate each other between the back of cooler bin and the ventilation passageway, be provided with the reposition of redundant personnel passageway in the middle of the inside of ventilation passageway, and the upper and lower both sides of reposition of redundant personnel passageway all settle there is cooling cascade.

Preferably, the inner wall of the ventilation channel is provided with a hollow drum, and soundproof cotton is filled between the inside of the ventilation channel and the hollow drum.

Preferably, the inside of the space-dividing plate is communicated with the bottom ventilation window of the ventilation channel, the top horizontal line of the space-dividing plate is aligned with the middle waist line position of the ventilation channel, and the lower end of the space-dividing plate is positioned at two sides of the ventilation window.

Preferably, the atomizing spray header is installed at the top of cooler bin, and the top of atomizing spray header is connected with the connection water pipe, the air exhaust window is all installed to the left and right sides of cooler bin.

Preferably, the atomizing spray headers are uniformly and equidistantly distributed on the top of the cooling box, and exhaust windows on two sides of the cooling box are communicated with blowers on two sides of the bottom of the ventilation channel.

Preferably, install the branch wind window in the middle of the inside of reposition of redundant personnel passageway, and the upper surface both sides of reposition of redundant personnel passageway have all seted up the ventilation hole, be fixed with the cut-off board in the middle of the upper surface of reposition of redundant personnel passageway.

Preferably, the air distribution window is bilaterally symmetrical about a symmetrical center line of the distribution channel, a plurality of air holes are uniformly distributed on the surface of the distribution channel, and the inside of the distribution channel is communicated with the inside of the cooling box through the air holes.

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

1. according to the cooling and ventilating structure of the steam turbine room, the hollowing is arranged on the inner wall of the ventilating channel, the hollowing is protruded inwards, the inner space of the ventilating channel is increased, soundproof cotton is convenient to fill in the ventilating channel, the soundproof effect of the ventilating channel can be increased, the space partition plate is used for carrying out space division on the inside of the ventilating channel through the arrangement of the space partition plate, the space partition plate is communicated with the ventilating window below the space partition plate, air is directionally exhausted, and air can enter the cooling box conveniently;

2. according to the cooling and ventilating structure of the steam turbine room, through the arrangement of the cooling box, the cooling box is communicated with the separated outer space of the space partition plate, and the exhaust windows on the two sides of the cooling box are communicated with the blower, so that hot air exhausted by the suction fan on the space partition plate enters the cooling box, is cooled by the cooling box and then is exhausted from the exhaust windows, the cooled air is blown into the steam turbine room by the blower in a backflow mode, the cooling of the steam turbine room is accelerated, and therefore cold air after being cooled enters the steam turbine room, cooling circulation is conducted on the exhausted hot air, and the ventilating effect in the steam turbine room is kept;

3. this steam engine room cooling ventilation structure through the setting of reposition of redundant personnel passageway, can concentrate the reposition of redundant personnel to the air, through the setting of reposition of redundant personnel window, can shunt the air, lets partly air current to the both sides of reposition of redundant personnel passageway, and the setting in ventilation hole lets the air can with cooling cascade contact each other, and cooling cascade absorbs steam, utilizes surperficial porous structure, can will absorb the cooling to the heat, at last, discharges from the window of airing exhaust.

Drawings

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

FIG. 2 is a schematic structural view of the cooling box of the present invention;

FIG. 3 is a schematic structural view of the diversion channel of the present invention;

fig. 4 is a schematic side sectional structure view of the ventilation channel of the present invention.

In the figure: 1. a ventilation channel; 101. hollowing; 102. sound insulation cotton; 2. a space divider; 3. a suction fan; 4. a ventilation window; 5. a cooling tank; 501. an atomizing spray header; 502. connecting a water pipe; 503. an air exhaust window; 6. a blower; 7. a vent pipe; 8. a pipeline; 9. a flow dividing channel; 901. a wind distributing window; 902. a flow cutting plate; 903. a vent hole; 10. a cooling water curtain.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a cooling and ventilating structure of a steam turbine room comprises a ventilating channel 1, wherein a space partition plate 2 is arranged inside the ventilating channel 1, a suction fan 3 is arranged on the top surface of the space partition plate 2, a hollow drum 101 is arranged on the inner wall of the ventilating channel 1, soundproof cotton 102 is filled between the inside of the ventilating channel 1 and the hollow drum 101, the hollow drum 101 is arranged on the inner wall of the ventilating channel 1, the hollow drum 101 protrudes inwards, the inner space of the ventilating channel 1 is increased, the soundproof cotton 102 is conveniently filled in a ventilating duct 7, and the soundproof effect of the ventilating channel 1 can be increased;

the interior of the space partition plate 2 is communicated with the bottom ventilation window 4 of the ventilation channel 1, the top horizontal line of the space partition plate 2 is aligned with the middle waist line of the ventilation channel 1, the lower end of the space partition plate 2 is positioned at two sides of the ventilation window 4, the space partition plate 2 is used for dividing the interior of the ventilation channel 1 through the arrangement of the space partition plate 2, the space partition plate 2 is communicated with the ventilation window 4 below the space partition plate 2, air is discharged directionally, and the air can enter the cooling box 5 conveniently;

the bottom of the ventilation channel 1 is provided with a ventilation window 4, the left and right sides of the interior of the ventilation channel 1 are both provided with cooling boxes 5, the top of the cooling box 5 is provided with an atomizing spray header 501, the top of the atomizing spray header 501 is connected with a connecting water pipe 502, the left and right sides of the cooling box 5 are both provided with air exhaust windows 503, the atomizing spray headers 501 are uniformly and equidistantly distributed on the top of the cooling box 5, the air exhaust windows 503 on the two sides of the cooling box 5 are communicated with air blowers 6 on the two sides of the bottom of the ventilation channel 1, the cooling box 5 is communicated with the separated outer space of the space partition plate 2 through the arrangement of the cooling box 5, and the air exhaust windows 503 on the two sides of the cooling box 5 are communicated with the air blowers 6, so that hot air exhausted by the suction fan 3 on the space partition plate 2 can enter the cooling box 5, and is exhausted from the air exhaust windows 503 after being cooled by the cooling box 5, the air after being cooled is blown back into the steam turbine room again by the blower 6, so that the cooling of the steam turbine room is accelerated, the cooled cold air enters the steam turbine room, the discharged hot air is cooled and circulated, and the ventilation effect in the steam turbine room is kept;

the ventilation pipe 7 is connected to the outer sides of the left side and the right side of the ventilation channel 1, the end of the ventilation pipe 7 far away from the ventilation channel 1 is connected with a pipeline 8, the back of the cooling box 5 is communicated with the ventilation channel 1, a diversion channel 9 is arranged in the middle of the inside of the ventilation channel 1, cooling water curtains 10 are arranged on the upper side and the lower side of the diversion channel 9, a diversion window 901 is arranged in the middle of the inside of the diversion channel 9, ventilation holes 903 are formed in the two sides of the upper surface of the diversion channel 9, a flow cutting plate 902 is fixed in the middle of the upper surface of the diversion channel 9, the diversion window 901 is symmetrical with respect to the symmetrical center line of the diversion channel 9, a plurality of ventilation holes 903 are uniformly distributed on the surface of the diversion channel 9, the inside of the diversion channel 9 is communicated with the inside of the cooling box 5 through the ventilation holes 903, and air can be intensively diverted through the arrangement of the diversion channel 9, through the setting of ventilation window 901, can shunt the air, let partly air current to the both sides of reposition of redundant personnel passageway 9, the setting of ventilation hole 903 lets the air can with cooling cascade 10 contactless, and cooling cascade 10 absorbs steam utilizes surperficial porous structure, can will absorb the cooling to the heat, at last, discharges from exhaust window 503.

The working principle is as follows: for the cooling and ventilating structure of the steam turbine room, firstly, the suction fan 3 on the partition board 2 inside the ventilating channel 1 is used for sucking hot steam inside the steam turbine room from the ventilating window 4, because the partition board 2 is arranged, after two sides of the ventilating window 4 are sealed, air can only be discharged from the upper part of the partition board 2, secondly, the discharged air can enter the internal diversion channel 9 in the cooling box 5, one part of air flows to two sides of the diversion channel 9, the other part of air flows into the communicated ventilating pipe 7 and is normally discharged through the ventilating pipe 7, the air flowing to two sides of the diversion channel 9 can be contacted with the cooling water curtain 10 by the arrangement of the ventilating hole 903, the cooling water curtain 10 absorbs the steam, moisture of the cooling water curtain 10 is increased by the atomizing spray head 501, and the surface porous structure of the cooling water curtain 10 can absorb heat for cooling, the cooled air is discharged through the exhaust window 503, and after being discharged through the exhaust window 503, the cooled air is blown into the steam turbine room by the blower 6 in a backflow mode, so that the use process of the whole steam turbine room cooling and ventilating structure is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a steam turbine room cooling ventilation structure, includes ventilation channel (1), its characterized in that: the utility model discloses a ventilation cooling air conditioner, including ventilation passageway (1), ventilation passageway (1) internally mounted have space division board (2), and the top surface mounting of space division board (2) has suction fan (3), ventilation window (4) are installed to the bottom of ventilation passageway (1), and inside cooler bin (5) of all installing in the inside left and right sides of ventilation passageway (1), the left and right sides outside of ventilation passageway (1) is connected with ventilation pipe (7), and the one end that ventilation passageway (1) was kept away from in ventilation pipe (7) is connected with pipeline (8), communicate each other between the back of cooler bin (5) and ventilation passageway (1), be provided with reposition of redundant personnel passageway (9) in the middle of the inside of ventilation passageway (1), and the upper and lower both sides of reposition of redundant personnel passageway (9) all settle cooling water curtain (10).

2. The cooling and ventilating structure for the steam turbine room according to claim 1, wherein: the inner wall of the ventilation channel (1) is provided with a hollow drum (101), and soundproof cotton (102) is filled between the inside of the ventilation channel (1) and the hollow drum (101).

3. The cooling and ventilating structure for the steam turbine room according to claim 1, wherein: the inside of the space partition plate (2) is communicated with the bottom ventilation window (4) of the ventilation channel (1), the top horizontal line of the space partition plate (2) is aligned to the middle waist line position of the ventilation channel (1), and the lower end of the space partition plate (2) is located on two sides of the ventilation window (4).

4. The cooling and ventilating structure for the steam turbine room according to claim 1, wherein: atomizing shower head (501) are installed at the top of cooler bin (5), and the top of atomizing shower head (501) is connected with connecting water pipe (502), exhaust window (503) are all installed to the left and right sides of cooler bin (5).

5. The cooling and ventilating structure for the steam turbine room according to claim 4, wherein: the atomizing spray headers (501) are uniformly distributed at the top of the cooling box (5) at equal intervals, and exhaust windows (503) on the two sides of the cooling box (5) are communicated with blowers (6) on the two sides of the bottom of the ventilation channel (1).

6. The cooling and ventilating structure for the steam turbine room according to claim 1, wherein: the wind window (901) is installed in the middle of the inside of the shunting channel (9), the ventilation holes (903) are formed in the two sides of the upper surface of the shunting channel (9), and the flow cutting plate (902) is fixed in the middle of the upper surface of the shunting channel (9).

7. The cooling and ventilating structure for the steam turbine room according to claim 6, wherein: the air distribution window (901) is bilaterally symmetrical about the symmetrical center line of the distribution channel (9), a plurality of air vents (903) are uniformly distributed on the surface of the distribution channel (9), and the interior of the distribution channel (9) is communicated with the interior of the cooling box (5) through the air vents (903).