CN216189414U

CN216189414U - Rotary air locking discharging mechanism for pulverized coal bin discharge port

Info

Publication number: CN216189414U
Application number: CN202120772367.0U
Authority: CN
Inventors: 李红波; 叶林养; 苏定飞
Original assignee: Yunan Hongyun Cement Co ltd
Current assignee: Yunan Hongyun Cement Co ltd
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2022-04-05
Anticipated expiration: 2031-04-15

Abstract

The utility model discloses a rotary air locking discharging mechanism for a pulverized coal bin discharge port, which comprises a connecting frame and a lower bin, wherein the top end of the lower bin is provided with a hole and is fixedly connected with the bottom end of a discharging channel, two sides of the inner wall of the lower bin are respectively provided with a hole and embedded with bearings, one opposite side of each bearing is rotatably provided with a hinge, the middle of the bottom end of the lower bin is provided with a discharging hole, the outer side of the lower surface of the lower bin outside the discharging hole is fixedly connected with the top end of the connecting frame, a steady flow bin is movably arranged in the connecting frame, the outer side of the upper surface of the steady flow bin is fixedly provided with spring weighing devices in an annular array, the bottom end of the steady flow bin is provided with a hole and embedded with a discharging pipe, and a solenoid valve is fixedly arranged on the discharging pipe. The utility model solves the problems of poor discharging stability of pulverized coal, material breaking phenomenon, influence on the calcining stability of the kiln and the product quality, frequent manual knocking and dredging, higher labor intensity of workers and low working efficiency.

Description

Rotary air locking discharging mechanism for pulverized coal bin discharge port

Technical Field

The utility model relates to the technical field of pulverized coal discharging, in particular to a rotary air locking discharging mechanism for a pulverized coal bin discharging port.

Background

Pulverized coal preparation systems can generally be divided into two categories, intermediate bunker type and direct blow-in type. The pulverized coal bin is characterized in that prepared pulverized coal is stored in an intermediate pulverized coal bin and then is sent into a metallurgical furnace according to requirements, and the system is called a pulverized coal bin type for short. The pulverized coal bin is used as a buffer bin for storing pulverized coal, and in order to reduce occupied space, the pulverized coal bin generally adopts a vertical structure, realizes discharging by utilizing the gravity of the pulverized coal, and saves energy consumption.

However, when the pulverized coal is transported, the pulverized coal is easily accumulated at the joint of a transport pipeline at the discharge port of the pulverized coal bin, so that blockage is generated, the phenomenon of unsmooth pulverized coal discharging is more serious when the moisture of the pulverized coal is large, the stability of pulverized coal discharging is poor, the phenomenon of material breakage is generated, the stability and the product quality of kiln calcination are affected, manual knocking and dredging are often needed, the labor intensity of workers is high, and the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a rotary air locking blanking mechanism for a discharge hole of a pulverized coal bin, which has the advantage of improving blanking efficiency and solves the problems of poor stability of pulverized coal discharge, material breakage, influence on kiln calcination stability and product quality, frequent need of manual knocking and dredging, higher labor intensity of workers and low working efficiency.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a fine coal storehouse discharge gate is with gyration lock wind unloading mechanism, includes link, lower feed bin and unloading passageway, the bearing is installed in the equal trompil of feed bin inner wall both sides and embedding down, two the relative one side of bearing is rotated and is installed the hinge dragon, the unloading hole has been seted up in the middle of the feed bin bottom down, the unloading storehouse lower surface outside and link top end fixed connection in the unloading hole outside, the inside movable mounting of link has the stationary flow storehouse, the stationary flow storehouse upper surface outside is annular array fixed mounting and has spring weighing device, the discharging pipe is installed in stationary flow storehouse bottom trompil and embedding, fixed mounting has the solenoid valve on the discharging pipe.

Preferably, the cross section of the blanking bin is of a rectangular structure, the top end of the blanking bin is provided with a hole and is fixedly connected with the bottom end of the blanking channel, and the outer side of the upper surface of the blanking channel is provided with a mounting screw hole.

Preferably, the outer diameter of the hinged dragon is smaller than the inner diameter of the discharging bin, an exhaust pipe is arranged on the outer wall of one side of the discharging bin below the hinged dragon in an opening mode in an embedded mode and is not in contact with the hinged dragon, and the bottom end of the exhaust pipe penetrates through the discharging hole and extends into the stable-flow bin.

Preferably, the number of the spring weighing devices is six, the top ends of the six spring weighing devices are elastically connected with the lower surface of the discharging bin, the bottom ends of the six spring weighing devices are elastically connected with the top end of the steady flow bin, and the six spring weighing devices are electrically connected with the electromagnetic valve.

Preferably, a check curtain is fixedly installed on one side, opposite to the discharging bin, of the steady flow bin, and the check curtain is made of waterproof cloth materials.

Preferably, the inner wall of the connecting frame is in contact with but not fixedly connected with the top end of the outer wall of the flow stabilizing bin.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, by arranging the steady flow bin 2, the blanking pipe part of the pulverized coal bin is the place which is most easily blocked, so that the blanking pipe part is cancelled, the blanking bin 7 and the steady flow bin 2 are added, the effect of forced blanking is achieved by rotating the auger 9, the blanking is smoother and more stable, and the effect of improving the blanking efficiency is achieved.

2. According to the utility model, the spring weighing device 4 is arranged, the lower material bin 7 is elastically connected with the steady flow bin 2 through the spring weighing device 4, and the electromagnetic valve 1 is controlled and opened by the spring weighing device 4 after the weight of the pulverized coal in the steady flow bin 2 reaches a set value through setting an internal program of the spring weighing device 4 in advance, so that the pulverized coal is discharged through the discharge pipe 12, and the effect of automatically controlling the discharge amount is achieved.

Drawings

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

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic side view of the present invention;

fig. 4 is a schematic top view of the flow stabilizing chamber of the present invention.

In the figure: 1. an electromagnetic valve; 2. a steady flow bin; 3. a connecting frame; 4. a spring weighing device; 5. a blanking hole; 6. a bearing; 7. discharging a bin; 8. a blanking channel; 9. reaming a dragon; 10. an exhaust pipe; 11. a curtain; 12. and (4) discharging the pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, an embodiment of the present invention includes: the utility model provides a fine coal storehouse discharge gate is with gyration lock wind unloading mechanism, includes link 3, feed bin 7 and unloading

passageway

8, and 7 cross sections in feed bin are the rectangle structure, 7 top trompils in feed bin and with 8 bottom fixed connections in unloading passageway, 8 upper surface outsides in the unloading passageway are equipped with the installation screw. The bearing 6 is installed in equal trompil of 7 inner wall both sides of feed bin down and embedding, and two relative one sides of bearing 6 are rotated and are installed hinge dragon 9, and hinge dragon 9 external diameter is less than 7 internal diameters of feed bin down, and the blast pipe 10 is installed in 7 one side outer wall trompil of feed bin one side of the lower feed bin of hinge dragon 9 below and embedding, and blast pipe 10 and hinge dragon 9 contactless, inside the blast pipe 10 bottom passed unloading hole 5 and stretched into stationary flow storehouse 2. Through setting up stationary flow storehouse 2, because the powder coal storehouse unloading pipe part is the place that takes place the jam most easily, consequently cancel this unloading pipe part, increase feed bin 7 and stationary flow storehouse 2 down, thereby rotate through hinge 9 and reach the effect of forcing the unloading to make the unloading more smooth and easy, more stable, reached the effect that improves unloading efficiency.

The middle of 7 bottoms of feed bin has seted up down feed hole 5 down, and the feed bin 7 lower surface outside and the 3 top fixed connections of link in the feed hole 5 outside have stationary flow storehouse 2, link 3 inside movable mounting, but the contact of 3 inner walls of link and 2 outer wall tops of stationary flow storehouse is not fixed connection. One side of the steady flow bin 2 opposite to the blanking bin 7 is fixedly provided with a baffle curtain 11, and the baffle curtain 11 is designed by adopting a waterproof cloth material. The outer side of the upper surface of the steady flow bin 2 is provided with six spring weighing devices 4 in an annular array fixed mode, the top ends of the six spring weighing devices 4 are elastically connected with the lower surface of the lower bin 7, the bottom ends of the six spring weighing devices 4 are elastically connected with the top end of the steady flow bin 2, and the six spring weighing devices 4 are electrically connected with the electromagnetic valve 1. The bottom end of the steady flow bin 2 is provided with an opening and is embedded with a discharge pipe 12, and the discharge pipe 12 is fixedly provided with an electromagnetic valve 1. Through setting up spring weighing device 4 to feed

bin

7 and 2 elastic connection in stationary flow storehouse will be down through spring weighing device 4, through setting up the inside procedure of spring weighing device 4 in advance, after the buggy weight reaches the setting value in stationary flow storehouse 2, solenoid valve 1 is controlled and is opened by spring weighing device 4, thereby makes the buggy discharge through discharging pipe 12, the automatic control who has reached arranges the material volume effect.

The working principle is as follows: when the coal dust discharging device is used, the discharging channel 8 is fixedly arranged at the bottom end of the pulverized coal bin through the mounting screw, the discharging channel 8 is communicated with the pulverized coal bin, one end of the auger 9 is rotatably connected with the motor, the auger 9 is driven to work through the work of the motor, so that pulverized coal in the pulverized coal bin is discharged, meanwhile, the exhaust pipe 10 arranged in the discharging bin 7 can avoid the blockage of an exhaust pressure equalizing pipe to cause coal breakage, so that the exhaust is smoother, the pulverized coal falls into the steady flow bin 2 through the discharging bin 7, the steady flow bin 2 moves downwards along the inner wall of the connecting frame 3 under the action of the spring weighing device 4 along with the falling of the pulverized coal, when the set weight is reached, the spring weighing device 4 transmits a signal to the electromagnetic valve 1, and the electromagnetic valve 1 is opened, so that the pulverized coal is discharged through the discharge pipe 12.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a fine coal storehouse discharge gate is with gyration lock wind unloading mechanism, includes link (3), feed bin (7) and unloading passageway (8) down, its characterized in that: lower feed bin (7) inner wall both sides are all trompil and the embedding is installed bearing (6), two bearing (6) relative one side is rotated and is installed hinge dragon (9), unloading hole (5) have been seted up in the middle of feed bin (7) bottom down, the lower feed bin (7) lower surface outside and link (3) top fixed connection in the unloading hole (5) outside, link (3) inside movable mounting has stationary flow storehouse (2), stationary flow storehouse (2) upper surface outside is annular array fixed mounting and has spring weighing device (4), discharging pipe (12) are installed in stationary flow storehouse (2) bottom trompil and embedding, fixed mounting has solenoid valve (1) on discharging pipe (12).

2. The rotary air-locking blanking mechanism for the discharge hole of the pulverized coal bunker as claimed in claim 1, which is characterized in that: feed bin (7) cross section is the rectangle structure down, feed bin (7) top trompil down and with unloading passageway (8) bottom fixed connection, the outside of unloading passageway (8) upper surface is equipped with the installation screw.

3. The rotary air-locking blanking mechanism for the discharge hole of the pulverized coal bunker as claimed in claim 1, which is characterized in that: the outer diameter of the auger (9) is smaller than the inner diameter of the lower bin (7), an exhaust pipe (10) is arranged on the outer wall of one side of the lower bin (7) below the auger (9) in an opening mode in an embedded mode, the exhaust pipe (10) is not in contact with the auger (9), and the bottom end of the exhaust pipe (10) penetrates through the discharging hole (5) and stretches into the steady flow bin (2).

4. The rotary air-locking blanking mechanism for the discharge hole of the pulverized coal bunker as claimed in claim 1, which is characterized in that: spring weighing device (4) quantity is six, six spring weighing device (4) tops all with feed bin (7) down surface elastic connection down, six spring weighing device (4) bottoms all with stationary flow storehouse (2) top elastic connection, six spring weighing device (4) all are connected with solenoid valve (1) electricity.

5. The rotary air-locking blanking mechanism for the discharge hole of the pulverized coal bunker as claimed in claim 1, which is characterized in that: one side of the steady flow bin (2) opposite to the blanking bin (7) is fixedly provided with a check curtain (11), and the check curtain (11) is designed by waterproof cloth materials.

6. The rotary air-locking blanking mechanism for the discharge hole of the pulverized coal bunker as claimed in claim 1, which is characterized in that: the inner wall of the connecting frame (3) is in contact with but not fixedly connected with the top end of the outer wall of the steady flow bin (2).