CN214514905U

CN214514905U - Pulverized coal tower fluidizing device

Info

Publication number: CN214514905U
Application number: CN202120292823.1U
Authority: CN
Inventors: 郑荣; 李景斌; 曲铁飞; 高涛
Original assignee: Yili Jieneng Technology Leling Co ltd
Current assignee: Yili Jieneng Technology Leling Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-10-29
Anticipated expiration: 2031-02-02

Abstract

The utility model discloses a pulverized coal tower fluidizing device, which comprises a barrel, wherein a motor box is fixed at the top end inside the barrel, a motor is arranged in the motor box, and the output end of the motor penetrates through the motor box through a sealing bearing and is connected with a grinding roller; the utility model discloses earlier rotate through motor drive roller, make roller cooperation unloading funnel roll the grinding and smash caking wherein to the buggy that the feed inlet was added, thereby avoid bulky caking to take place the problem of jam easily in the buggy, after that through the air pump with gaseous through air-supply pipe input annular jet-propelled pipe, the gas orifice that is equidistantly distributed on by annular jet-propelled pipe is even spout again, and blow away the buggy after the grinding, thereby make the buggy fluidization, then vibrate through vibrating motor drive vibrating screen plate, make the buggy that blows away evenly fall through vibrating screen plate, thereby make the buggy of fluidization more even, fluidization treatment through three processes makes the buggy fluidization effect in the barrel better.

Description

Pulverized coal tower fluidizing device

Technical Field

The utility model relates to a buggy fluidization technical field especially relates to a buggy tower fluidizer.

Background

The energy structure of China still mainly uses coal, in most of small and medium-sized industrial pulverized coal boilers, the storage form of pulverized coal is a cylindrical tower structure, a pulverized coal tower of the cylindrical tower structure is used for storing the pulverized coal supplied to the boiler, most of the pulverized coal towers are provided with fluidizing devices, and the fluidizing devices of the pulverized coal tower are important nonstandard equipment of the pulverized coal tower and are used for fluidizing the hardened or bridged pulverized coal, so that the pulverized coal can flow, the pulverized coal is in a fluidized state in the tower, and accidents caused by overlong accumulation time in the tank can be avoided;

the most all single structure of current pulverized coal tower fluidizer, generally blow away the buggy through the mode of directly blowing, make its fluidization, and only lead to easily leading to in the tower body air current and buggy flow direction inhomogeneous through the fluidization mode of directly blowing, thereby reduce the transport effect of buggy, and reduce the combustion efficiency of boiler, and the fluidization mode of directly blowing can't blow away the buggy caking of bulky, thereby the buggy caking of bulky can't flow, long-time gathering the back and taking place the jam easily, thereby influence the burning of boiler, it is inconvenient to use, the practicality is not high, therefore, the utility model provides a pulverized coal tower fluidizer is used for solving the problem that exists among the prior art.

SUMMERY OF THE UTILITY MODEL

To the above problem, an object of the utility model is to provide a pulverized coal tower fluidizer, this pulverized coal tower fluidizer rolls the pulverized coal that roller cooperation unloading funnel added the feed inlet through motor drive earlier and rolls the grinding, thereby avoid the problem that bulky caking takes place the jam easily in the pulverized coal, after that with gas through air supply pipe input annular jet-propelled pipe through the air pump, the gas orifice that is equidistantly distributed on the annular jet-propelled pipe is even spout again, and blow off pulverized coal after the grinding, thereby make the pulverized coal fluidization, then vibrate the sieve through vibrating motor drive, make the pulverized coal that blows off evenly fall through vibrating the sieve, thereby make the pulverized coal of fluidization more even.

In order to realize the utility model discloses a purpose, the utility model discloses a following technical scheme realizes: the utility model provides a pulverized coal tower fluidizer, includes the barrel, the inside top of barrel is fixed with the motor box, be equipped with the motor in the motor box, the output of motor runs through the motor box through sealed bearing and is connected with the roller that rolls, be fixed with the unloading funnel that matches with the roller that rolls on the inner wall of barrel, the inside position that is located unloading funnel below of barrel is equipped with annular jet-propelled pipe, the fumarole that is the equidistance and distributes is offered to one side that the barrel inner wall was kept away from to annular jet-propelled pipe, one side that the fumarole was kept away from to annular jet-propelled pipe is fixed in the barrel inner wall through the connecting rod, the annular jet-propelled pipe below is equipped with vibrating screen plate, vibrating motor is installed to vibrating screen plate bottom, the bin outlet has been seted up to the barrel bottom, the barrel top is equipped with the feed inlet.

The further improvement lies in that: the vibration sieve plate is characterized in that a groove is formed in the position, located on the vibration sieve plate, of the inner wall of the cylinder body, the grooves are symmetrically distributed on the inner wall of the cylinder body in a cross shape, a supporting plate located in the groove is fixed to the outer side of the vibration sieve plate, and the bottom end of the supporting plate is fixed to the bottom end of the groove through a damping spring.

The further improvement lies in that: be equipped with first annular baffle between unloading funnel and the jet-propelled pipe of annular, first annular baffle's bottom internal diameter is less than the internal diameter of the jet-propelled pipe of annular, be equipped with second annular baffle between jet-propelled pipe of annular and the vibration sieve board, the bottom internal diameter of second annular baffle is less than the diameter of vibration sieve board, the equal fixed connection of first annular baffle and second annular baffle is on the inner wall of barrel.

The further improvement lies in that: the bottom of annular jet-propelled pipe is connected with the air feed pipe, the one end that the annular jet-propelled pipe was kept away from to the air feed pipe is ninety degrees crooked and runs through the barrel and be connected with the air pump, the one end that the air feed pipe was kept away from to the air pump is connected in gas transmission pipeline.

The further improvement lies in that: the feed inlet symmetric distribution is in the both sides of motor box, the top of feed inlet is passed through the articulated elements and is articulated to be installed the feed lid.

The further improvement lies in that: the bottom of barrel is fixed with the supporting leg, the supporting leg is the symmetric distribution in the bottom of barrel, be equipped with transparent observation window on the lateral wall of barrel.

The utility model has the advantages that: the utility model discloses a barrel, it rotates to roll the roller through motor drive earlier, make the buggy that rolls roller cooperation unloading funnel and add the feed inlet roll the grinding and smash caking wherein, thereby avoid bulky caking to take place the problem of jam easily in the buggy, through the air pump with gas through air feed pipe input annular jet-propelled pipe after that, the gas orifice that is equidistantly distributed on by annular jet-propelled pipe is even spout again, and blow off the buggy after the grinding, thereby make the buggy fluidization, then vibrate through vibrating motor drive vibration sieve, make the buggy that blows off evenly fall through vibration sieve, thereby make the buggy of fluidization more even, at last send into combustion boiler by the bin outlet, fluidization treatment through three processes makes the buggy fluidization effect in the barrel better, the combustion efficiency of boiler is provided to a certain extent, high practicability has.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a top view of the vibrating screen deck of the present invention;

fig. 4 is an enlarged view of the position a of the present invention.

Wherein: 1. a barrel; 2. a motor box; 3. a motor; 4. rolling a roller; 5. a discharging hopper; 6. an annular gas ejector tube; 7. a gas injection hole; 8. a connecting rod; 9. vibrating the sieve plate; 10. a vibration motor; 11. a discharge outlet; 12. a feed inlet; 13. a groove; 14. a support plate; 15. a damping spring; 16. a first annular baffle; 17. a second annular baffle; 18. an air supply pipe; 19. an air pump; 20. a feeding cover; 21. supporting legs; 22. a transparent viewing window.

Detailed Description

In order to deepen the understanding of the present invention, the following embodiments will be combined to make the present invention do further details, and the present embodiment is only used for explaining the present invention, and does not constitute the limitation of the protection scope of the present invention.

According to fig. 1, 2, 3, 4, this embodiment provides a pulverized coal tower fluidizing device, which comprises a barrel 1, wherein a motor box 2 is fixed on the top end inside the barrel 1, a motor 3 is arranged in the motor box 2, the output end of the motor 3 penetrates through the motor box 2 through a sealing bearing and is connected with a rolling roller 4, a discharging funnel 5 matched with the rolling roller 4 is fixed on the inner wall of the barrel 1, an annular gas injection pipe 6 is arranged at a position inside the barrel 1 and below the discharging funnel 5, gas injection holes 7 distributed at equal intervals are arranged at one side of the annular gas injection pipe 6 away from the inner wall of the barrel 1, one side of the annular gas injection pipe 6 away from the gas injection holes 7 is fixed on the inner wall of the barrel 1 through a connecting rod 8, a vibrating screen plate 9 is arranged below the annular gas injection pipe 6, a vibrating motor 10 is installed at the bottom end of the vibrating screen plate 9, a discharge hole 11 is arranged at the bottom end of the barrel 1, the top end of the cylinder body 1 is provided with a feeding hole 12.

The vibration sieve plate structure is characterized in that a groove 13 is formed in the position, located on the vibration sieve plate 9, of the inner wall of the cylinder body 1, the groove 13 is symmetrically distributed on the inner wall of the cylinder body 1 in a cross shape, a supporting plate 14 located in the groove 13 is fixed on the outer side of the vibration sieve plate 9, and the bottom end of the supporting plate 14 is fixed at the bottom end of the groove 13 through a damping spring 15.

Be equipped with first annular baffle 16 between unloading funnel 5 and the jet-propelled pipe of annular 6, the bottom internal diameter of first annular baffle 16 is less than the internal diameter of the jet-propelled pipe of annular 6, be equipped with second annular baffle 17 between the jet-propelled pipe of annular 6 and the vibration sieve 9, the bottom internal diameter of second annular baffle 17 is less than the diameter of vibration sieve 9, the equal fixed connection of first annular baffle 16 and second annular baffle 17 is on the inner wall of barrel 1.

The bottom end of the annular gas spraying pipe 6 is connected with a gas supply pipe 18, one end, far away from the annular gas spraying pipe 6, of the gas supply pipe 18 is bent by ninety degrees and penetrates through the cylinder body 1 to be connected with a gas pump 19, and one end, far away from the gas supply pipe 18, of the gas pump 19 is connected to a gas transmission pipeline.

The feed inlet 12 symmetric distribution is in the both sides of motor box 2, the top of feed inlet 12 is passed through the articulated elements and is installed feed cover 20.

The bottom of barrel 1 is fixed with supporting leg 21, supporting leg 21 is the symmetric distribution in the bottom of barrel 1, be equipped with transparent observation window 22 on the lateral wall of barrel 1, be convenient for observe the buggy fluidization condition.

The coal powder tower fluidizing device comprises a cylinder body 1, wherein a motor 3 drives a rolling roller 4 to rotate, so that the rolling roller 4 is matched with a discharging funnel 5 to roll and grind coal powder added at a feed inlet 12 and crush agglomerates therein, thereby avoiding the problem that large-volume agglomerates in the coal powder are easy to block, then, gas is input into an annular gas nozzle 6 through a gas supply pipe 18 by a gas pump 19, the gas is uniformly sprayed out through gas nozzles 7 which are equidistantly distributed on the annular gas nozzle 6, and the ground coal powder is blown away, so that the coal powder is fluidized, then, a vibrating sieve plate 9 is driven by a vibrating motor 10 to vibrate, the blown-away coal powder is uniformly dropped through the vibrating sieve plate 9, so that the fluidized coal powder is more uniform, finally, the pulverized coal powder is sent into a combustion boiler through a discharge port 11, the fluidizing effect of the coal powder in the cylinder body 1 is better through the fluidizing treatment of three discharging procedures, and the combustion efficiency of the boiler is improved to a certain extent, convenient to use has higher practicality.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a buggy tower fluidizer, includes barrel (1), its characterized in that: the utility model discloses a vibrating screen plate, including barrel (1), motor box (2), be equipped with motor (3) in motor box (2), the output of motor (3) runs through motor box (2) through sealed bearing and is connected with rolling roller (4), be fixed with on the inner wall of barrel (1) and roll unloading funnel (5) that roller (4) are matchd, the position that is located unloading funnel (5) below inside barrel (1) is equipped with annular jet-propelled pipe (6), one side that barrel (1) inner wall was kept away from to annular jet-propelled pipe (6) is seted up fumarole (7) that are the equidistance and distribute, one side that fumarole (7) were kept away from to annular jet-propelled pipe (6) is fixed in barrel (1) inner wall through connecting rod (8), annular jet-propelled pipe (6) below is equipped with vibrating screen plate (9), vibrating motor (10) are installed to vibrating screen plate (9) bottom, the discharge gate (11) has been seted up to barrel (1) bottom, barrel (1) top is equipped with feed inlet (12).

2. The pulverized coal tower fluidizing device according to claim 1, characterized in that: the vibration sieve plate is characterized in that a groove (13) is formed in the position, located on the vibration sieve plate (9), of the inner wall of the cylinder body (1), the groove (13) is symmetrically distributed in a cross mode on the inner wall of the cylinder body (1), a supporting plate (14) located in the groove (13) is fixed to the outer side of the vibration sieve plate (9), and the bottom end of the supporting plate (14) is fixed to the bottom end of the groove (13) through a damping spring (15).

3. The pulverized coal tower fluidizing device according to claim 1, characterized in that: be equipped with first ring baffle (16) between unloading funnel (5) and annular jet-propelled pipe (6), the bottom internal diameter of first ring baffle (16) is less than the internal diameter of annular jet-propelled pipe (6), be equipped with second ring baffle (17) between annular jet-propelled pipe (6) and vibration sieve (9), the bottom internal diameter of second ring baffle (17) is less than the diameter of vibration sieve (9), first ring baffle (16) and the equal fixed connection of second ring baffle (17) are on the inner wall of barrel (1).

4. The pulverized coal tower fluidizing device according to claim 1, characterized in that: the bottom of annular jet-propelled pipe (6) is connected with air feed pipe (18), the one end that annular jet-propelled pipe (6) were kept away from in air feed pipe (18) is ninety degrees bending and runs through barrel (1) and is connected with air pump (19), the one end that air feed pipe (18) were kept away from in air pump (19) is connected in gas transmission pipeline.

5. The pulverized coal tower fluidizing device according to claim 1, characterized in that: feed inlet (12) symmetric distribution is in the both sides of motor box (2), the top of feed inlet (12) is passed through the articulated elements and is installed feed cover (20).

6. The pulverized coal tower fluidizing device according to claim 1, characterized in that: the bottom mounting of barrel (1) has supporting leg (21), supporting leg (21) are the symmetric distribution in the bottom of barrel (1), be equipped with transparent observation window (22) on the lateral wall of barrel (1).