CN218266425U

CN218266425U - Sealed centrifugal draught fan for conveying pulverized coal

Info

Publication number: CN218266425U
Application number: CN202221962551.2U
Authority: CN
Inventors: 郑家斌; 杜高友; 易通; 刘小莉
Original assignee: Hubei Shuangjian Blower Production Co ltd
Current assignee: Hubei Shuangjian Blower Production Co ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2023-01-10
Anticipated expiration: 2032-07-27

Abstract

The utility model discloses a carry sealed centrifugal draught fan of buggy, including the motor casing, the first fixed block of fixedly connected with on the both ends bottom both sides position around the motor casing, be provided with servo motor on the inner wall position of motor casing, the first fixing base of fixedly connected with on the bottom position of first fixed block, fixedly connected with second fixed block on the right side position in the middle of the top of first fixing base, fixedly connected with bearing frame on the top position of second fixed block, fixedly connected with axle on servo motor's the output position, fixedly connected with back pump cover on the top position in the middle of the right side of first fixing base. The utility model discloses in, at first open servo motor, the servo motor output rotates, drives the axle at the bearing frame internal rotation, drives the impeller high-speed rotation, and the deep bead can be adjusted through handle and dead lever in the induced air mouth, and the amount of wind of adjustable air intake is adjustable according to actual conditions.

Description

Sealed centrifugal draught fan for conveying pulverized coal

Technical Field

The utility model relates to a sealed fan technical field especially relates to a carry sealed centrifugal draught fan of buggy.

Background

The sealing fan is specially used for sealing air of a coal mill and a coal feeder of a positive pressure direct blowing system, and is used for preventing a gas-powder mixture with coal powder from leaking out of equipment to pollute the environment or entering a grinding roller bearing of a spring loading device to cause bearing failure. The sealing fan is used for providing cold air with pressure higher than primary air pressure for the coal mill of the positive pressure direct-fired pulverizing system so as to meet the sealing requirement of the coal mill. The sealing fans are centrifugal fans which are also applied in the process of conveying the pulverized coal.

At present, a traditional centrifugal fan is used in a gear acceleration mode, a gear acceleration transmission mechanism and a conventional bearing support and oil lubrication system are needed, but lubricating oil is adopted to lubricate a mechanical friction pair, so that air output by the fan is oily, and pulverized coal can be polluted; on the other hand, the air inlet speed of the existing equipment is not adjustable, so that the efficiency of centrifugal throwing air volume of the equipment is low easily, the working efficiency of the equipment is influenced, and a sealed centrifugal draught fan is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a sealed centrifugal draught fan for conveying pulverized coal.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a carry sealed centrifugal draught fan of buggy, includes the motor casing, fixedly connected with first fixed block on the both sides position of both ends bottom around the motor casing, be provided with servo motor on the inner wall position of motor casing, the first fixing base of fixedly connected with on the bottom position of first fixed block, fixedly connected with second fixed block on the right side position in the middle of the top of first fixing base, fixedly connected with bearing frame on the top position of second fixed block, fixedly connected with axle on the output position of servo motor, fixedly connected with rear pump cover on the top position in the middle of the right side of first fixing base, fixedly connected with pump case on the front end position of rear pump cover, fixedly connected with pump apron on the front end position of pump case, run through and be provided with the air outlet on the front end top position of pump apron, fixedly connected with induced air mouth on the inner wall right side position of induced air mouth is provided with the deep bead that distributes evenly, all run through and fixedly connected with dead lever on the both ends intermediate position around the deep bead.

As a further description of the above technical solution:

the shaft is located inside the bearing housing.

As a further description of the above technical solution:

and a first filter screen is arranged at the top of the outer wall of the air outlet.

As a further description of the above technical solution:

and a second filter screen is arranged at the left position of the inner wall of the air inducing port.

As a further description of the above technical solution:

and the front end and the rear end of the bottom of the pump shell are fixedly connected with second fixed seats.

As a further description of the above technical solution:

and the right position of the outer wall of the shaft is fixedly connected with an impeller, and the impeller is positioned in the pump shell.

As a further description of the above technical solution:

the front end of the fixed rod is provided with a handle which penetrates through and is fixedly connected with the front end of the fixed rod.

As a further description of the above technical solution:

the fixed rod is rotatably connected with the air outlet.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, at first open servo motor, the servo motor output rotates, drives the axle at the bearing frame internal rotation, drives the impeller high-speed rotation, and the deep bead can be adjusted through handle and dead lever in the induced air mouth, and the amount of wind of adjustable air intake is adjustable according to actual conditions.

2. The utility model discloses in, can carry out the first time to the air that gets into through the inside first filter screen that sets up in induced air mouth, can filter the air that will come out once more through the second filter screen on the air outlet, filter the air current of business turn over centrifugal fan, improve the cleanliness factor.

Drawings

Fig. 1 is a perspective view of a sealed centrifugal induced draft fan for conveying pulverized coal according to the present invention;

fig. 2 is a top view of a sealed centrifugal induced draft fan for conveying pulverized coal according to the present invention;

fig. 3 is a cross-sectional view of a sealed centrifugal draught fan for conveying pulverized coal according to the present invention.

Illustration of the drawings:

1. a motor housing; 2. a first fixed block; 3. a first fixed seat; 4. a second fixed block; 5. a bearing seat; 6. a rear pump cover; 7. a pump housing; 8. a pump cover plate; 9. an air inducing port; 10. a second fixed seat; 11. an air outlet; 12. a handle; 13. a shaft; 14. an impeller; 15. a first filter screen; 16. fixing the rod; 17. a second filter screen; 18. a wind deflector; 19. a servo motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a carry sealed centrifugal draught fan of buggy, including motor casing 1, fixedly connected with first fixed block 2 on the both sides position of both ends bottom around the motor casing 1, be provided with servo motor 19 on the inner wall position of motor casing 1, fixedly connected with first fixing base 3 on the bottom position of first fixed block 2, fixedly connected with second fixed block 4 on the right side position in the middle of the top of first fixing base 3, fixedly connected with bearing frame 5 on the top position of second fixed block 4, fixedly connected with axle 13 on the output end position of servo motor 19, fixedly connected with back pump cover 6 on the right side middle top position of first fixing base 3, fixedly connected with pump cover 7 on the front end position of back pump cover 6, fixedly connected with pump apron 8 on the front end position of pump cover 7, run through and be provided with air outlet 11 on the front end top position of pump cover 7, fixedly connected with induced air inlet 9 on the front end middle position of pump cover 8, be provided with the deep bead 18 that distributes evenly on the inner wall right side position of induced air inlet 9, all run through and fixedly connected with dead bead 16 on the front and back both ends middle position of pump cover 18, the air inlet 15 that can get into the air inlet 15 can carry out the first time filtration air filter the filter screen 17 that the cleanliness factor goes on the air outlet can carry out the filter once more, the filter screen of the centrifugal draught fan, the filter.

Shaft 13 is located inside bearing frame 5, be provided with first filter screen 15 on the outer wall top position of air outlet 11, be provided with second filter screen 17 on the inner wall left side position of induced air port 9, equal fixedly connected with second fixing base 10 on the both ends position around the bottom of pump case 7, fixedly connected with impeller 14 and impeller 14 are located in pump case 7 on the outer wall right side position of shaft 13, all run through and fixedly connected with handle 12 on the front end position of dead lever 16, dead lever 16 rotates with air outlet 11 and is connected, the utility model discloses a centrifugal fan starts the back, open servo motor 19, servo motor 19 output rotates, drive shaft 13 at 5 internal rotations of bearing frame, drive impeller 14 high-speed rotatory, induced air port 9 can adjust deep bead 18 through handle 12 and dead lever 16, can adjust equipment air inlet speed, first filter can carry out the first filtration to the air that gets into through first filter screen 15 of the inside setting of induced air port 9, can filter the air that comes out once again through second filter screen 17 on the air outlet 11, can fix servo motor 19 through motor case 2, can carry out the pump case 7 through second fixed block 7 and the pump cover 7, the pump cover is sealed to the pump cover 7, the pump cover is supported to the pump cover through second fixing base 10, the second fixing base 7.

The working principle is as follows: the utility model discloses a centrifugal fan starts the back, open servo motor 19, servo motor 19 output rotates, drive axle 13 at the 5 internal rotations of bearing frame, it is high-speed rotatory to drive impeller 14, the deep bead 18 can be adjusted through handle 12 and dead lever 16 in induced air mouth 9, can adjust equipment air inlet speed, first filter screen 15 through the inside setting in induced air mouth 9 can carry out the first filtration to the air that gets into, second filter screen 17 through on the air outlet 11 can filter the air that will come out once more, can fix servo motor 19 through motor casing 1, can fix motor casing 1 through first fixed block 2, can fix bearing frame 5 through second fixed block 4, through back pump cover 6, inside sealed can be packed to pump case 7 and pump apron 8, can support first fixed block 2 and second fixed block 4 through first fixing base 3, can support pump case 7 through second fixing base 10.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a carry sealed centrifugal draught fan of buggy, includes motor casing (1), its characterized in that: fixedly connected with first fixed block (2) on the position of both ends bottom both sides around motor casing (1), be provided with servo motor (19) on the inner wall position of motor casing (1), fixedly connected with first fixing base (3) on the bottom position of first fixed block (2), fixedly connected with second fixed block (4) on the top middle right side position of first fixing base (3), fixedly connected with bearing frame (5) on the top position of second fixed block (4), fixedly connected with axle (13) on the output end position of servo motor (19), fixedly connected with rear pump cover (6) on the right side middle top position of first fixing base (3), fixedly connected with pump case (7) on the front end position of rear pump cover (6), fixedly connected with pump cover board (8) on the front end position of pump case (7), run through and be provided with air outlet (11) on the front end top position of pump cover board (8), fixedly connected with on the front end intermediate position of pump cover board (8) draws wind gap (9), be provided with the inner wall right side position of distribution on the wind gap (9) the wind gap (18), the equal run through wind gap (16) in the front and back wind gap (18) of intermediate position.

2. The sealed centrifugal draught fan for conveying pulverized coal as claimed in claim 1, wherein: the shaft (13) is located inside the bearing block (5).

3. The sealed centrifugal draught fan for conveying pulverized coal as claimed in claim 1, wherein: and a first filter screen (15) is arranged at the top of the outer wall of the air outlet (11).

4. The sealed centrifugal draught fan for conveying pulverized coal as claimed in claim 1, wherein: and a second filter screen (17) is arranged at the left position of the inner wall of the air inducing port (9).

5. The sealed centrifugal draught fan for conveying pulverized coal as claimed in claim 1, wherein: and the front end and the rear end of the bottom of the pump shell (7) are fixedly connected with second fixed seats (10).

6. The sealed centrifugal draught fan for conveying pulverized coal as claimed in claim 1, wherein: an impeller (14) is fixedly connected to the right position of the outer wall of the shaft (13), and the impeller (14) is located in the pump shell (7).

7. The sealed centrifugal draught fan for conveying pulverized coal as claimed in claim 1, wherein: the front ends of the fixing rods (16) are all penetrated and fixedly connected with handles (12).

8. The sealed centrifugal draught fan for conveying pulverized coal as claimed in claim 1, wherein: the fixed rod (16) is rotatably connected with the air outlet (11).