CN218820499U

CN218820499U - Warm air equipment that boiler air inlet system used

Info

Publication number: CN218820499U
Application number: CN202220860555.3U
Authority: CN
Inventors: 孟祥生; 杜东明; 谭敏; 张忠华; 邹兵; 曹磊; 杨志佳; 杨庆志; 黄清杰; 孙涛; 王志刚; 包春斌; 杨文波; 孙永军; 刘宏峰; 李绍平; 徐依兵; 王欣; 于小川; 范原
Original assignee: Yingkou Power Plant of Huaneng Power International Inc
Current assignee: Yingkou Power Plant of Huaneng Power International Inc
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2023-04-07
Anticipated expiration: 2032-04-14

Abstract

The utility model discloses a warm braw equipment that boiler air inlet system used relates to the supporting facility field of thermal power plant, including the equipment main part, the top of equipment main part is connected with the intake pipe, and the bottom of equipment main part is connected with the outlet duct, and the inside of equipment main part is provided with two heat exchangers, and one side of equipment main part is provided with adjusting part, and the inside of equipment main part is provided with protective assembly. The utility model discloses a thermal-insulated frame, electronic slip table, guard plate, roll frame, roll groove, stopper and torsional spring, electronic slip table starts the back drive and rolls the frame and remove to thermal-insulated frame intermediate position, thereby later apply pulling force to the guard plate through rolling frame and roll groove cooperation and make the guard plate closed, compress the torsional spring when the guard plate is closed, later it is spacing to the position of electronic slip table through the stopper, impurity in the air and the friction between the fin when can avoiding the heat exchanger to stop using to reduce the wearing and tearing of fin.

Description

Warm air equipment that boiler air inlet system used

Technical Field

The utility model relates to a supporting facility field of thermal power plant specifically is a warm braw equipment that boiler air inlet system used.

Background

The air heater is an auxiliary device in a thermal power plant, is fixedly arranged in an air duct of a boiler of the power plant, and when the outside air temperature is low, air passes through the air heater to be heated, so that the temperature of the air entering the boiler is increased, the low-temperature corrosion of a heated surface at the tail part of the boiler is avoided, and the air heater is mainly used when the outside temperature is low in winter.

The warm air equipment that current boiler air inlet system used is in winter application usually in order to heat the air, and the air temperature of spring summer autumn three seasons can not be very low consequently can not reuse warm air equipment to the air heating again usually, but contain a plurality of steam conduit and heat radiation fin in the structure of warm air equipment and lead to the air current to receive when passing warm air equipment resistance great, thereby lead to the fan to need increase power and carry the air current, so lead to the power loss more for a long time, and probably there is impurity in the air current when the warm air equipment that current boiler air inlet system used advances wind, thereby impurity can collide with heat radiation fin's surface when the circulation and cause the structure to damage, thereby lead to the heat exchange efficiency to receive the influence, it is comparatively inconvenient to use.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a warm braw equipment that boiler air inlet system used to the impurity that the heat exchanger influences circulation of air and in the air when solving need not the heating weares and teares heat radiation fin's technical problem easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a warm braw equipment that boiler air inlet system used, includes equipment principal, equipment principal's top is connected with the intake pipe, equipment principal's bottom is connected with the outlet duct, equipment principal's inside is provided with two heat exchangers, one side of equipment principal is provided with adjusting part, equipment principal's inside is provided with protective assembly.

Through adopting above-mentioned technical scheme, it is rotatory that the adjusting part passes through motor start back output drive sprocket, thereby later through sprocket and the thermal-insulated frame rotation of chain cooperation drive make the heat exchanger rotate with the air current direction parallel, thereby the resistance that receives when reducing the circulation of air, the protection component drives through the cooperation of electronic slip table start back and rolls the frame and remove to thermal-insulated frame intermediate position, thereby later apply the pulling force to the guard plate through rolling the frame and rolling the groove cooperation and make the guard plate closed, thereby shelter from the heat exchanger behind the guard plate closure and avoid the impurity in the air to the fin scratch on the heat exchanger.

Furthermore, the adjusting part is including installing in the motor of equipment principal top one side and connecting respectively in two heat exchanger tops and insulating the frame, the output of motor and the outside of two heat-insulating frames are connected with six sprockets respectively, six connect between the sprocket and be connected with two chains respectively, the both sides of insulating the frame all are connected with the guide plate, equipment principal's top and bottom are connected with four rotary joint respectively.

Through adopting above-mentioned technical scheme, the motor starts the back output drive sprocket and rotates, thereby later through sprocket and the thermal-insulated frame rotation of chain cooperation drive make the heat exchanger rotate with the air current direction parallel to the resistance that receives when reducing the circulation of air, the convenient tie point between intake pipe and the heat exchanger of setting through rotary joint simultaneously seals, in order to avoid the heat exchanger to rotate and lead to steam to reveal.

Furthermore, the protection component comprises four electric sliding tables and a brake, the electric sliding tables are respectively installed on two sides of the top of the heat insulation frame, the output end of each electric sliding table is provided with a rolling frame and the brake, two sides of the outer surface and two sides of the back of the heat insulation frame are respectively connected with a protection plate, the protection plates and the heat insulation frame are respectively connected with a torsion spring, and the protection plates are respectively provided with a rolling groove at the top of each protection plate.

Through adopting above-mentioned technical scheme, the drive rolls the frame and removes to thermal-insulated frame intermediate position after electronic slip table starts, thereby later through rolling the frame and roll the groove cooperation and apply pulling force to the guard plate and make the guard plate closed, with the torsional spring compression when the guard plate is closed, later spacing to the position of electronic slip table through the stopper, thereby shelter from the heat exchanger behind the guard plate closure and avoid the impurity in the air to the fin scratch on the heat exchanger, earlier when using thermal-insulated frame resets.

Furthermore, the heat insulation frame is rotatably connected with the equipment main body through a rotating shaft, and the chain wheel is meshed with the chain.

Through adopting above-mentioned technical scheme, the motor starts the back output drive sprocket and rotates, thereby makes the heat exchanger rotate with the air current direction parallel through sprocket and the rotation of the thermal-insulated frame of chain cooperation drive to the resistance that receives when reducing the circulation of air.

Further, control panel is installed to one side of equipment main part, just control panel respectively with motor, electronic slip table and stopper electric connection.

Through adopting above-mentioned technical scheme, the staff opens or closes motor, electronic slip table and stopper through control panel, and electronic slip table starts the back drive and rolls the frame and remove to thermal-insulated frame intermediate position, thereby later through rolling the frame and roll the groove cooperation and apply pulling force to the guard plate and make the guard plate closed.

To sum up, the utility model discloses mainly have following beneficial effect:

1. the utility model discloses a thermal-insulated frame, electronic slip table, the guard plate, roll the frame, the roll groove, stopper and torsional spring, electronic slip table starts the back drive roll frame and moves to thermal-insulated frame intermediate position, later apply the pulling force to the guard plate through rolling frame and roll groove cooperation and make the guard plate closed, compress the torsional spring when the guard plate is closed, later through the stopper to the position spacing of electronic slip table, shelter from the heat exchanger behind the guard plate closure thereby avoid the impurity in the air to the fin scratch on the heat exchanger, reset thermal-insulated frame earlier when using, the one side direction removal of thermal-insulated frame after electronic slip table starts thereby finish the spacing to the guard plate, open the guard plate through the torsional spring after the guard plate finishes spacing, thereby make the air can get into the heat exchanger and heat, avoid the temperature of steam to cause the influence to electronic slip table and stopper through the setting up of thermal-insulated frame simultaneously, can avoid the friction between impurity in the air and the fin when the heat exchanger stops using, thereby reduce the wearing and tearing of fin;

2. the utility model discloses a motor, the sprocket, the chain, thermal-insulated frame, the guide plate, guard plate and rotary joint, the motor starts the back output drive sprocket rotatory, thereby later through sprocket and the thermal-insulated frame rotation of chain cooperation drive make the heat exchanger rotate with the air current direction parallel, thereby the resistance that receives when reducing the circulation of air, setting up through rotary joint simultaneously conveniently seals the tie point between intake pipe and the heat exchanger, so as to avoid the heat exchanger to rotate and lead to steam to reveal, set up through the guide plate simultaneously to the air lead to avoid the air to collide with the outer wall that separates thermal-insulated frame, simultaneously through the setting of guard plate avoid the air to get into in the heat exchanger with the inner wall that separates the thermal-insulated frame to collide with, thereby the resistance that receives when reducing the circulation of air, reduce the windage when the heat exchanger stops using.

Drawings

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

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

FIG. 3 is a schematic top view of the heat insulation frame of the present invention;

fig. 4 is an enlarged view of the structure at a in fig. 3 according to the present invention;

fig. 5 is an enlarged view of the structure at B in fig. 3 according to the present invention.

In the figure: 1. an apparatus main body; 2. a control panel; 3. an air inlet pipe; 4. an adjustment assembly; 401. a motor; 402. a sprocket; 403. a chain; 404. a heat insulation frame; 405. a baffle; 406. a swivel joint; 5. a guard assembly; 501. an electric sliding table; 502. a protection plate; 503. a rolling frame; 504. a rolling groove; 505. a brake; 506. a torsion spring; 6. an air outlet pipe; 7. a heat exchanger.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

Next, an embodiment of the present invention will be described with reference to the overall structure thereof.

The utility model provides a warm braw equipment that boiler air inlet system used, as shown in fig. 1, 2, 3, 4 and 5, including equipment main body 1, the top of equipment main body 1 is connected with intake pipe 3, the bottom of equipment main body 1 is connected with outlet duct 6, the inside of equipment main body 1 is provided with two heat exchangers 7, one side of equipment main body 1 is provided with adjusting part 4, reduce the windage when heat transfer 7 ware stops to use, the inside of equipment main body 1 is provided with protecting part 5, can avoid impurity and the friction between the fin in the air when heat exchanger 7 stops to use, thereby reduce the wearing and tearing of fin, control panel 2 is installed to one side of equipment main body 1, and control panel 2 respectively with motor 401, electronic slip table 501 and stopper 505 electric connection, the staff opens or closes motor 401 through control panel 2, electronic slip table 501 and stopper 505.

Referring to fig. 1, 2, 3, 4 and 5, the adjusting assembly 4 includes a motor 401 installed on one side of the top of the main body 1 of the apparatus and two heat insulation frames 404 respectively connected to the tops of the two heat exchangers 7, the output end of the motor 401 and the outsides of the two heat insulation frames 404 are respectively connected with six chain wheels 402, the six chain wheels 402 are connected with two chains 403 respectively, the two sides of the heat insulation frames 404 are connected with guide plates 405, the top and the bottom of the main body 1 of the apparatus are connected with four swivel joints 406 respectively, the heat insulation frames 404 are rotatably connected with the main body 1 of the apparatus through a rotating shaft, and the chain wheels 402 are meshed with the chains 403, so that friction between impurities in the air and fins when the heat exchangers 7 are stopped to be used can be avoided, and accordingly, wear of the fins is reduced.

Referring to fig. 3, 4 and 5, protection component 5 is including installing in four electronic slip tables 501 of thermal-insulated frame 404 top both sides respectively, and four electronic slip tables 501's output all is provided with rolls frame 503 and stopper 505, and the surface both sides and the back both sides of thermal-insulated frame 404 all are connected with protection plate 502, all are connected with torsional spring 506 between four protection plates 502 and the thermal-insulated frame 404, and roll groove 504 has all been seted up at the top of four protection plates 502, reduces the windage when heat transfer 7 ware stops to use.

The implementation principle of the embodiment is as follows: firstly, when the heat exchanger 7 is not needed to heat air, a worker turns on the motor 401, the electric sliding table 501 and the brake 505 through the control panel 2, after the electric sliding table 501 is started, the rolling frame 503 is driven to move to the middle position of the heat insulation frame 404, then the rolling frame 503 and the rolling groove 504 are matched to apply pulling force to the protection plate 502 to close the protection plate 502, the torsion spring 506 is compressed while the protection plate 502 is closed, after the brake 505 is started, the position of the electric sliding table 501 is limited, after the protection plate 502 is closed, the heat exchanger 7 is shielded, the air is prevented from entering the heat exchanger 7 to collide with the inner wall of the heat insulation frame 404 through the arrangement of the protection plate 502, so that the resistance force applied when the air circulates is reduced, meanwhile, the fins on the heat exchanger 7 are prevented from being scratched by impurities in the air, after the motor 401 is started, the output end drives the chain wheel 402 to rotate, then the heat insulation frame 404 is driven to rotate through the cooperation of the chain wheel 402 and the chain 403, so that the heat insulation frame 404 rotates to be parallel to the air flow direction, thereby reducing the resistance received when the air circulates, simultaneously, the connection point between the air inlet pipe 3 and the heat exchanger 7 is conveniently sealed through the arrangement of the rotary joint 406, so as to avoid the steam leakage caused by the rotation of the heat exchanger 7, simultaneously, the air is guided through the arrangement of the guide plate 405, so as to avoid the collision of the air and the outer wall of the heat insulation frame 404, thereby reducing the resistance received when the air circulates, then, a worker closes the motor 401 and the electric sliding table 501 through the control panel 2, when the heat exchanger 7 is needed to heat the air, the worker closes the brake 505 through the control panel 2 and then opens the motor 401 and the electric sliding table 501, the motor 401 drives the heat exchanger 7 to reset after being started, then, the steam enters the heat exchanger 7 through the air inlet pipe 3 to heat the air, the electric sliding table 501 moves towards one side direction of the heat insulation frame 404 after being started, thereby finishing the limit of the protection plate 502, after the protection plate 502 is limited, the protection plate 502 is opened through the torsion spring 506, so that air can enter the heat exchanger 7 to be heated, and meanwhile, the temperature of steam is prevented from influencing the electric sliding table 501 and the brake 505 through the arrangement of the heat insulation frame 404.

Although embodiments of the present invention have been shown and described, it is intended that the present embodiments be illustrative only and not limiting to the invention, and that the particular features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples, and that modifications, substitutions, variations, and the like, which are not inventive in light of the above teachings, may be made to the embodiments by those skilled in the art without departing from the principles and spirit of the present invention, but are to be construed as broadly as the following claims.

Claims

1. The utility model provides a warm braw equipment that boiler air inlet system used, includes equipment main part (1), its characterized in that: the top of the equipment main body (1) is connected with an air inlet pipe (3), the bottom of the equipment main body (1) is connected with an air outlet pipe (6), two heat exchangers (7) are arranged inside the equipment main body (1), an adjusting component (4) is arranged on one side of the equipment main body (1), and a protective component (5) is arranged inside the equipment main body (1).

2. The air heating apparatus for a boiler air inlet system according to claim 1, wherein: adjusting part (4) including install in motor (401) of equipment main part (1) top one side and connect respectively in two heat exchanger (7) top two thermal-insulated frame (404), the output of motor (401) and the outside of two thermal-insulated frame (404) are connected with six sprocket (402) respectively, six connect between sprocket (402) and be connected with two chains (403) respectively, the both sides of thermal-insulated frame (404) all are connected with guide plate (405), the top and the bottom of equipment main part (1) are connected with four rotary joint (406) respectively.

3. The air heating apparatus for a boiler air intake system according to claim 2, wherein: protection component (5) are including installing in four electronic slip tables (501) of thermal-insulated frame (404) top both sides respectively, four the output of electronic slip table (501) all is provided with rolls frame (503) and stopper (505), the surface both sides and the back both sides of thermal-insulated frame (404) all are connected with guard plate (502), four guard plate (502) and thermal-insulated frame (404) between all be connected with torsional spring (506), four roll groove (504) have all been seted up at the top of guard plate (502).

4. The air heating apparatus for a boiler air intake system according to claim 2, wherein: the heat insulation frame (404) is rotationally connected with the equipment main body (1) through a rotating shaft, and the chain wheel (402) is meshed with the chain (403).

5. A heating air system for a boiler air inlet system as claimed in claim 3, wherein: control panel (2) are installed to one side of equipment main part (1), just control panel (2) respectively with motor (401), electronic slip table (501) and stopper (505) electric connection.