CN211146539U

CN211146539U - Coal-fired unloader

Info

Publication number: CN211146539U
Application number: CN201921995198.6U
Authority: CN
Inventors: 张云; 戈剑如; 李焕文
Original assignee: Changzhou Changjiang Thermal Energy Co ltd
Current assignee: Changzhou Changjiang Thermal Energy Co ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-07-31
Anticipated expiration: 2029-11-18

Abstract

The utility model discloses a coal-fired unloader, which comprises a frame, the coal bunker, the conveyer belt and the subassembly that dams, the coal bunker is including rack-mounted storehouse body, rotationally locate the stirring vane of internal portion in storehouse, accept in the sieve of internal portion in storehouse, install the compression cylinder of storehouse body side wall and connect the push pedal of holding that stretches out of compression cylinder, the sieve slope sets up, push pedal and sieve sliding connection, the sieve mesh has been seted up on the sieve, the discharge gate has been seted up at the top of the storehouse body, the below of discharge gate is located to the conveyer belt, the subassembly that dams is including setting up the closure plate in the conveyer belt top and setting up pushing equipment and the collecting bucket in the relative both sides of conveyer belt, be formed with a clearance between closure plate and the conveyer belt, pushing equipment. The utility model discloses a coal-fired unloader has realized coal-fired smashing and screening function, has guaranteed that the coal-fired can smoothly flow out via the discharge gate to, through setting up the subassembly that dams, guarantee to throw the homogeneity of material, convenient operation is suitable for using widely.

Description

Coal-fired unloader

Technical Field

The utility model relates to a material unloading technique especially relates to a coal-fired unloader.

Background

Coal-fired power generation has been widely used in production, and during operation, the coal in the coal bunker flows out through the discharge port and enters the combustion furnace for combustion under the conveying of the conveyor belt. At present, when the coal flows out from the discharge hole of the coal bunker, the phenomenon of blockage at the discharge hole due to the fact that part of coal particles are large often occurs, and in the process that the coal is conveyed on the conveying belt, the distribution of the coal at each position on the conveying belt is uneven, so that the coal input amount at each time interval is different when the coal is put into the combustion furnace, the combustion at each time interval is uneven, the uniform output of electric power is influenced, and the monitoring of electric quantity is not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: in order to overcome the problems in the prior art, the coal-fired blanking device which can prevent the discharge hole from being blocked and has uniform feeding is provided.

The utility model provides a technical scheme that its technical problem adopted is: a coal discharging device comprises a frame, a coal bunker, a conveyor belt and a cut-off component, the coal bunker comprises a bunker body arranged on the frame, a stirring blade which is rotatably arranged in the bunker body, a sieve plate accommodated in the bunker body, a compression cylinder arranged on the side wall of the bunker body and a push plate connected with the extending end of the compression cylinder, the sieve plate is obliquely arranged, the push plate is connected with the sieve plate in a sliding way, sieve pores are arranged on the sieve plate, the top of the bin body is provided with a discharge hole, the conveyor belt is arranged below the discharge hole, the intercepting component comprises an intercepting plate arranged above the conveyor belt, and a pushing piece and a collecting barrel which are arranged at two opposite sides of the conveyor belt, a gap is formed between the cut-off plate and the conveyor belt, and the material pushing part is arranged on one side of the cut-off plate.

Furthermore, the assembly that dams still includes setting up first baffle and the second baffle of the relative both sides of conveyer belt, the pushing equipment is including installing push away the material cylinder on the first baffle and connect and push away the ejector pad that stretches out the end of material cylinder, the ejector pad sets up first baffle with between the second baffle, the bucket that gathers materials is installed one side of second baffle, correspond on the second baffle the ejector pad has seted up logical groove.

Further, the intercepting plate is arranged between the first baffle and the second baffle, and the lower end face of the intercepting plate is arranged in parallel with the upper end face of the conveyor belt.

Further, the sieve plate divides the inner cavity of the bin body into a first cavity and a second cavity which are positioned on two opposite sides of the sieve plate, and the stirring blades are arranged in the first cavity.

Furthermore, the compression cylinder is positioned at the lower end of the sieve plate, the extending end of the compression cylinder penetrates through the side wall of the bin body and then extends into the bin body, and the push plate can slide along the inclined plane of the sieve plate.

Further, the lower extreme of the storehouse body is the toper structure, and this toper structure has little mouth end and macrostoma end, the macrostoma end is located the below of macrostoma end, the discharge gate sets up on the osctoma end.

Further, the coal bunker also comprises a motor, the motor is installed on the upper end face of the bunker body, one end of an output shaft of the motor penetrates through the top wall of the bunker body and then extends into the bunker body, and the stirring blades are contained in the bunker body and connected with the output shaft of the motor.

Furthermore, the top of the bin body is provided with two feeding ports communicated with the inner cavity of the bin body, and the two feeding ports are arranged on two opposite sides of the top of the bin body.

Furthermore, a side cover is arranged on the side wall of the bin body close to the compression cylinder and movably arranged on the bin body, and the side cover can be moved to open or close the opening on the side wall of the bin body.

Further, the compression cylinder is a cylinder.

The utility model has the advantages that: the utility model provides a coal-fired unloader has realized coal-fired crushing effect through setting up stirring vane, and simultaneously, through the effect of sieve and push pedal, coal-fired screening function has been realized, it can smoothly flow via the discharge gate to have guaranteed that the coal-fired can smoothly to have dams the subassembly, guarantee that the coal-fired volume of passing through the closure plate is unanimous at every turn or tend to unanimous, and then guaranteed that the coal-fired input volume of each period is the same, and then make each period burning even, the even output of electric power is favorable to the control of electric quantity. The utility model discloses a coal-fired unloader, simple structure, convenient operation is suitable for using widely.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a structural solid diagram of a coal-fired blanking device of the present invention;

FIG. 2 is a top view of the connection of the shut-off assembly to the conveyor belt of the coal-fired blanking unit of FIG. 1.

In the figure: 10. the device comprises a frame, 11, longitudinal beams, 12, a first cross beam, 13, a second cross beam, 20, a coal bunker, 21, a bunker body, 211, a feeding port, 212, a discharging port, 213, a first chamber, 214, a second chamber, 215, a side cover, 22, a motor, 23, a stirring blade, 24, a sieve plate, 241, a sieve hole, 25, a compression cylinder, 251, a connecting rod, 26, a push plate, 30, a conveyor belt, 40, a closure assembly, 41, a first baffle, 42, a second baffle, 421, a through groove, 43, a closure plate, 431, a gap, 44, a pushing piece, 441, a pushing cylinder, 442, a push block, 45 and a collecting barrel.

Detailed Description

The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.

Referring to fig. 1 and 2, the present invention provides a coal feeding device for conveying coal. The coal discharging device comprises a frame 10, a coal bunker 20 installed on the frame 10, a conveyor belt 30 arranged below the coal bunker 20 in a transmission mode, and a cut-off assembly 40 arranged between the coal bunker 20 and the conveyor belt 30, wherein in use, coal in the coal bunker 20 flows out of the coal bunker 20, falls onto the conveyor belt 30, then passes through the cut-off assembly 40, and is finally conveyed into a combustion furnace to be combusted.

In a specific embodiment, the machine frame 10 includes a longitudinal beam 11, and a first cross beam 12 and a second cross beam 13 connected to two opposite ends of the longitudinal beam 11, wherein the longitudinal beam 11 is longitudinally disposed, the first cross beam 12 and the second cross beam 13 are both horizontally disposed, and the first cross beam 12 is located below the second cross beam 13, wherein the first cross beam 12 is connected to the shutoff assembly 40, and the second cross beam 13 is connected to the coal bunker 20, so that the shutoff assembly 40 is connected to the coal bunker 20 through the machine frame 10.

The coal bunker 20 comprises a bunker body 21, a motor 22 arranged at the top of the bunker body 21, a stirring blade 23 arranged on an output shaft of the motor 22, a sieve plate 24 contained in the bunker body 21, a compression cylinder 25 arranged on the side wall of the bunker body 21 and a push plate 26 connected to the extending end of the compression cylinder 25, wherein the push plate 26 is in sliding connection with the sieve plate 24 under the driving action of the compression cylinder 25.

In one embodiment, the chamber 21 is a substantially hollow box structure, and the inner cavity of the chamber 21 is used for storing the coal. The dog-house 211 with the inner chamber intercommunication of storehouse body 21 is seted up at the top of storehouse body 21, and the discharge gate 212 with the inner chamber intercommunication of storehouse body 21 is seted up to the bottom of storehouse body 21, and during the use, user's accessible dog-house 211 drops into the coal-fired to storehouse body 21, and the coal-fired outside that flows out to storehouse body 21 through discharge gate 212. The material feeding ports 211 are two, and the two material feeding ports 211 are arranged on two opposite sides of the top of the bin body 21. In this embodiment, the lower end of the bin body 21 is a conical structure, the conical structure has a small opening end and a large opening end, the small opening end is located below the large opening end, and the discharge opening 212 is arranged on the small opening end of the conical structure, so that the coal can flow out through the discharge opening 212.

The motor 22 is installed on the upper end face of the bin body 21, one end of an output shaft of the motor 22 penetrates through the top wall of the bin body 21 and then extends into the bin body 21, and the stirring blades 23 are contained in the bin body 21 and are fixedly connected with one end of the output shaft of the motor 22. During the use, starter motor 22, motor 22 drive stirring vane 23 rotates to stir the fire coal of throwing into storehouse body 21 inside, in order to realize breaking up the effect of fire coal, be favorable to the subsequent abundant burning of fire coal, simultaneously, also can effectively avoid blockking up discharge gate 212 because of fire coal granule is great.

The sieve plate 24 is roughly in a flat plate structure, the sieve plate 24 is obliquely arranged in the bin body 21, the sieve plate 24 divides the inner cavity of the bin body 21 into a first chamber 213 and a second chamber 214 which are positioned at two opposite sides of the sieve plate 24, the first chamber 213 is positioned above the second chamber 214, and the stirring blades 23 are arranged in the first chamber 213. In addition, a plurality of sieve holes 241 are formed in the sieve plate 24, and the sieve holes 241 can allow smaller fire coal particles to pass through, so that the situation that the discharge port 212 is blocked after the larger fire coal passes through the sieve plate 24 is avoided.

The compression cylinder 25 is arranged on one side of the bin body 21 and is positioned at the lower end of the sieve plate 24, the extending end of the compression cylinder 25 penetrates through the side wall of the bin body 21 and then extends into the bin body 21, the pushing plate 26 is fixedly connected with the extending end of the compression cylinder 25, and the pushing plate 26 can slide along the inclined plane of the sieve plate 24 under the driving action of the compression cylinder 25. During operation, the coal after the stirring collects the lower end at sieve 24 under the effect of the sieve 24 of slope, at this moment, starts the compression cylinder 25, and the push pedal 26 just follows the inclined plane of sieve 24 from bottom to top activity and then promotes the coal-fired, and the coal-fired in-process that promotes, the coal-fired of less granule just can pass sieve 24 through sieve mesh 241, and the coal-fired of great granule then can stop on the up end of sieve 24 because of the effect that blocks of sieve mesh 241.

In a specific embodiment, a connecting rod 251 is connected between the bin body 21 and the compression cylinder 25, one end of the connecting rod 251 is connected with the side wall of the bin body 21, and the other end of the connecting rod 251 is connected with the cylinder body of the compression cylinder 25, so as to realize the fixed connection relationship between the bin body 21 and the compression cylinder 25. In addition, the compression cylinder 25 is a cylinder, the working medium of the cylinder is easy to obtain, and the production cost can be effectively saved. It will be appreciated that in other embodiments not shown, the compression cylinder 25 may also be a hydraulic cylinder.

Further, in order to clean the large coal particles in the bin body 21 conveniently, a side cover 215 is arranged on the side wall of the bin body 21 close to the compression cylinder 25, the side cover 215 is movably arranged on the bin body 21, and the inner cavity of the bin body 21 can be opened or closed through the movable side cover 215. Specifically, an opening (not shown) is formed in a side wall of the cartridge body 21, and the movable side cover 215 can open or close the opening. The side cover 215 can be connected to the cartridge body 21 by sliding, deflecting or rotating, without limitation.

The conveyor belt 30 is arranged below the discharge port 212 in a driving manner, and the conveyor belt 30 is used for conveying the fire coal. The operation of the conveyer belt 30 is realized by driving the driving wheel by the motor, and the conveying structure and the conveying process of the conveyer belt 30 belong to the prior art, which are not described herein again.

The intercepting assembly 40 comprises a first baffle plate 41 and a second baffle plate 42 which are oppositely arranged and an intercepting plate 43 connected between the first baffle plate 41 and the second baffle plate 42, the first baffle plate 41 and the second baffle plate 42 are respectively positioned at two opposite sides of the conveyor belt 30, the intercepting plate 43 is positioned above the conveyor belt 30, the lower end surface of the intercepting plate 43 is arranged in parallel with the upper end surface of the conveyor belt 30, and the fire coal is transported between the first baffle plate 41 and the second baffle plate 42, so that the fire coal can be prevented from rushing out of the conveyor belt 30. The first cross member 12 is fixedly connected to the first baffle plate 41. In addition, a gap 431 is formed between the lower end surface of the intercepting plate 43 and the upper end surface of the conveyor belt 30, when the coal-fired device is used, the coal-fired device falls onto the conveyor belt 30 after passing through the discharge port 212 and moves to the intercepting plate 43 under the transportation of the conveyor belt 30, due to the blocking effect of the intercepting plate 43, the coal-fired devices are mutually dispersed, so that the stacked coal-fired devices pass through the intercepting plate 43 through the gap 431, the coal-fired quantity passing through the intercepting plate 43 every time is consistent or tends to be consistent, the coal-fired input quantity in each time period is ensured to be the same, the combustion in each time period is uniform, the electric power is uniformly output, and the monitoring.

In addition, in order to avoid the blockage of the transmission path caused by the non-dispersion of the hardened coal when the coal contacts the cut-off plate 43, in the present embodiment, the cut-off assembly 40 further includes a pushing member 44 installed at one side of the first baffle plate 41 and a collecting barrel 45 installed at one side of the second baffle plate 42, the pushing member 44 is disposed at one side of the cut-off plate 43, and the pushing member 44 is disposed opposite to the collecting barrel 45. The pushing member 44 includes a pushing cylinder 441 mounted on the first baffle 41 and a pushing block 442 connected to an extending end of the pushing cylinder 441, one end of the pushing cylinder 441 passes through the first baffle 41, the pushing block 442 is located between the first baffle 41 and the second baffle 42, a through groove 421 is formed in the second baffle 42 corresponding to the pushing block 442, the upper end of the collecting barrel 45 has an open tubular structure, and the collecting barrel 45 is located on one side of the through groove 421. When the coal-fired boiler is used, when the coal-fired boiler is blocked at the intercepting plate 43 due to hardening, the material pushing cylinder 441 is started, so that the pushing block 442 moves towards the direction of the through groove 421, and the blocked coal-fired boiler passes through the through groove 421 under the pushing action and then enters the material collecting barrel 45, so that the blocked coal-fired boiler can be cleaned, and the coal-fired boiler can continuously run on the conveyor belt 30.

The utility model provides a coal-fired unloader, the crushing effect of coal-fired has been realized through motor 22 drive stirring vane 23, and simultaneously, through sieve 24 and push pedal 26's effect, the coal-fired screening function has been realized, it can smoothly flow via discharge gate 212 to have guaranteed that the coal-fired, and, through setting up the subassembly 40 that dams, guarantee that the coal-fired volume of at every turn through the board 43 of damming is unanimous or tend to unanimous, and then the coal-fired input volume of having guaranteed each period is the same, and then make each period even burning, the even output of electric power, be favorable to the control of electric quantity. The utility model discloses a coal-fired unloader, convenient operation is suitable for using widely.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A coal-fired unloader which characterized in that: the coal-fired unloader includes frame, coal bunker, conveyer belt and the subassembly that dams, the coal bunker is including installing storehouse body in the frame, rotationally locate the stirring vane of internal portion in storehouse, accept in the sieve of internal portion in storehouse, install the compression cylinder of the lateral wall in storehouse and connect the push pedal of the end that stretches out of compression cylinder, the sieve slope sets up, the push pedal with sieve sliding connection, the sieve mesh has been seted up on the sieve, the discharge gate has been seted up at the top of the storehouse body, the conveyer belt is located the below of discharge gate, the subassembly that dams is in including setting up the closure plate of conveyer belt top and setting are in the material pushing component and the collecting vat of the relative both sides of conveyer belt, the closure plate with be formed with a clearance between the conveyer belt, it sets up to push away the material spare one side of closure plate.

2. The coal blanking unit of claim 1, wherein: the intercepting component further comprises a first baffle and a second baffle which are arranged on two opposite sides of the conveying belt, the pushing piece comprises a pushing cylinder arranged on the first baffle and a pushing block connected to the extending end of the pushing cylinder, the pushing block is arranged between the first baffle and the second baffle, the collecting barrel is arranged on one side of the second baffle, and the second baffle corresponds to the pushing block and is provided with a through groove.

3. The coal blanking unit of claim 2, wherein: the intercepting plate is arranged between the first baffle and the second baffle, and the lower end face of the intercepting plate is parallel to the upper end face of the conveyor belt.

4. The coal blanking unit of claim 1, wherein: the sieve plate divides the inner cavity of the bin body into a first cavity and a second cavity which are positioned on two opposite sides of the sieve plate, and the stirring blades are arranged in the first cavity.

5. The coal blanking unit of claim 4, wherein: the compression cylinder is positioned at the lower end of the sieve plate, the extending end of the compression cylinder penetrates through the side wall of the bin body and then extends into the bin body, and the push plate can slide along the inclined plane of the sieve plate.

6. The coal blanking unit of claim 1, wherein: the lower end of the bin body is of a conical structure, the conical structure is provided with a small opening end and a large opening end, the small opening end is positioned below the large opening end, and the discharge hole is formed in the small opening end.

7. The coal blanking unit of claim 1, wherein: the coal bunker also comprises a motor, the motor is installed on the upper end face of the bunker body, one end of an output shaft of the motor penetrates through the top wall of the bunker body and then extends into the bunker body, and the stirring blades are contained in the bunker body and connected with the output shaft of the motor.

8. The coal blanking unit of claim 1, wherein: the top of the bin body is provided with two feeding ports communicated with the inner cavity of the bin body, and the two feeding ports are arranged on two opposite sides of the top of the bin body.

9. The coal blanking unit of claim 1, wherein: a side cover is arranged on the side wall of the bin body close to the compression cylinder and can be movably arranged on the bin body, and the side cover can be moved to open or close an opening on the side wall of the bin body.

10. The coal blanking unit of any one of claims 1 to 9, wherein: the compression cylinder is a cylinder.