CN215389892U

CN215389892U - Sediment device is arranged to fan coal pulverizer

Info

Publication number: CN215389892U
Application number: CN202121324483.2U
Authority: CN
Inventors: 孟凡荣; 梁爽; 张喜春; 杨柳; 高航; 李文东; 张丽娜; 任权; 谢维萍; 杜蒙; 闫旭; 刘海鹰; 郑玉清
Original assignee: PowerChina Changchun Generating Equipment Group Ltd; North United Power Co Ltd; Xilingol Thermal Power Co Ltd
Current assignee: PowerChina Changchun Generating Equipment Group Ltd; North United Power Co Ltd; Xilingol Thermal Power Co Ltd
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2022-01-04
Anticipated expiration: 2031-06-15

Abstract

The utility model discloses a slag discharging device of a fan coal mill, which belongs to the technical field of machinery and comprises a slag discharging pipeline, a slag discharging pneumatic door, a material box, a weighing device and a transfer device, wherein the slag discharging pipeline is arranged below an iron accumulation groove of a machine shell, the slag discharging pneumatic door is connected to the slag discharging pipeline, the material box is connected to the lower part of the slag discharging pipeline, the weighing device is arranged on the material box, when the weighing device gives out a full-box alarm, the action of the slag discharging pneumatic door is controlled, the material box is conveyed to a dumping point through the transfer device to finish dumping of materials, and compared with the original slag discharging mode accumulated in the iron accumulation groove, the slag discharging device of the fan coal mill realizes the function of timely discharging slag materials such as iron blocks, coal gangue and the like which cannot be milled in the coal mill out of the machine shell, and avoids secondary abrasion of the slag materials which cannot be milled to components such as a striking wheel, a lining plate and the like; in addition, the sediment device of arranging of fan mill passes through the light transportation of transfer device realization material, has solved the difficult problem that original fan coal pulverizer long-pending iron notch is difficult to the clearance.

Description

Sediment device is arranged to fan coal pulverizer

Technical Field

The utility model relates to the technical field of machinery, in particular to a slag discharging device of a fan coal mill.

Background

Coal substances are quite complex in composition, and are often doped with non-grindable ores or waste iron blocks, coal gangue and other substances which are difficult to grind, and the existence of the substances increases the abrasion condition of internal parts of the fan coal mill undoubtedly.

The existing fan coal mill is not provided with a slag discharging device, and slag which cannot be ground is accumulated in an accumulated iron groove at the bottom of a machine shell under the action of gravity and can be cleaned only when the coal mill is shut down for maintenance. And the casing is internally provided with the striking wheel, so that the space is narrow, and the difficulty and the workload for cleaning the iron accumulation groove are greatly increased. Meanwhile, as the unground slag can not be discharged in time, the slag with small mass can be blown up again and deposited again in the shell, and the circulation is repeated, so that the abrasion condition of components such as the striking wheel is greatly increased.

Based on the above, the utility model provides a slag discharge device of a fan coal mill, which is used for solving the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a slag discharging device of a fan coal mill, which can solve the problem that the existing fan coal mill can not discharge unmilled slag in time, so that the slag with small mass can be blown up again in a shell and deposited again, and the abrasion to components such as a striking wheel is greatly increased due to repeated circulation.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a sediment device is arranged to fan coal pulverizer, includes the casing, arranges the sediment pipeline, arranges sediment pneumatic door, material case, weighing device and transfer device, and the long-pending iron groove below of casing is provided with row's sediment pipeline, arrange and be connected with on the sediment pipeline and arrange sediment pneumatic door, arrange sediment pipeline below and be connected with the material case, set up weighing device on the material case, send full case when weighing device and report to the police after, the action of sediment pneumatic door is arranged in control, and the material case passes through transfer device and carries to empting the point, accomplishes empting of material.

Preferably, the slag discharging pneumatic door comprises two pneumatic shut-off valves arranged on a slag discharging pipeline, a primary shut-off valve and a secondary shut-off valve are respectively arranged from top to bottom, the tail end of the slag discharge pipeline is connected with a sealed cabin, the top end of the sealed cabin is provided with a pressure release valve, the bottom end of the sealed cabin is connected with a protective cover and a sealing ring, a compaction cylinder is arranged outside the sealed cabin, the sealing ring is extruded by a pressing cylinder for sealing, a material box is arranged below the sealing ring, the material box is a transfer box with an observation window, the weighing device comprises a weighing charge level indicator and a base which are arranged on the transfer box, the weighing charge level indicator is arranged on a bottom plate with a lifting cylinder through the base, the transfer device is for setting up the track that pulls in the transport box both sides, and the track that pulls of both sides is connected with wire rope between, and the transport box passes through the lug that sets up on the outer wall to be connected on wire rope.

Preferably, arrange sediment pneumatic door including setting up the first pneumatic shut-off valve on arranging the sediment pipeline and connecting in the pneumatic shut-off valve of second way of pebble coal bin below, the material case is for connecting the pebble coal bin of arranging sediment pipeline lower extreme, and weighing device is for setting up the charge level indicator on the pebble coal bin, and the pebble coal bin is fixed in subaerially through the supporting seat, transfer device is the pebble coal conveyer belt of setting in pebble coal bin below.

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

1) after the materials are weighed by the weighing device and the full-box alarm is given, the movement of a slag discharge pneumatic door is controlled, the material box is conveyed to a dumping point by the transfer device, the materials are easily transferred, and the problem that an iron accumulation groove of the original fan coal mill is difficult to clean is solved;

2) compare in the original row's of piling up in the long-pending iron trough arrange the sediment mode, this fan coal pulverizer's row sediment device has realized the function of the in time discharge casing of sediment materials such as iron plate, gangue that can not grind in the coal pulverizer through arranging sediment pneumatic door, material case, weighing device and transfer device, has avoided the secondary wear of the sediment materials that can not grind to parts such as hitting wheel, welt.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a second embodiment of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a housing; 2. a slag discharge pipeline; 3. a secondary shutoff valve; 4. a pressing cylinder; 5. dragging a track; 6. a transfer box; 7. a lifting cylinder; 8. a base plate; 9. a weighing level indicator; 10. a base; 11. lifting lugs; 12. a wire rope; 13. an observation window; 14. a seal ring; 15. a protective cover; 16. once closing the valve; 17. sealing the cabin; 18. a pressure relief valve; 19. a first pneumatic shut-off valve; 20. a second pneumatic shut-off valve; 21. a pebble coal storage tank; 22. a level gauge; 23. a supporting seat; 24. pebble coal conveyer belt.

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.

Example 1

Referring to fig. 1, the present invention provides a technical solution: referring to fig. 1, the slag discharging device of the fan coal mill of the utility model comprises a reducing pipeline and a slag discharging pipeline 2 which are connected below an iron deposit groove of a machine shell 1, two pneumatic shut-off valves are arranged on the slag discharging pipeline 2 and are respectively called a primary shut-off valve 16 and a secondary shut-off gate valve 3 from top to bottom, the tail end of the slag discharging pipeline 2 is connected with a sealed cabin 17, the top end of the sealed cabin 17 is provided with a pressure relief valve 18, the lower end is connected with a protective cover 15 and a sealing ring 14, a pressing cylinder 4 is arranged outside the sealed cabin 17 and is used for extruding the sealing ring 14 for sealing, a transfer box 6 with an observation window 13 is arranged below the sealing ring 14, the transfer box 6 is arranged on a weighing material level meter 9 and a base 10, the weighing material level meter 9 and the base 10 are arranged on a lifting cylinder 7 and a bottom plate 8, two sides of the transfer box 6 are provided with dragging tracks 5, a steel wire rope 12 is connected with a lifting lug 11 on the transfer box 6, the transfer box 6 is hung on the dragging tracks 5, realize the removal, the empting of transfer box.

The working process of the utility model is as follows: when the coal mill runs, the primary cut-off valve 16 on the slag discharge pipeline 2 is opened, the secondary cut-off gate valve 3 is closed, and the pressing cylinder 4 is started to press the sealing ring 14 on the top surface of the transfer box 6. And (3) operating for a period of time interval, closing the primary shutoff valve 16, opening the secondary shutoff gate valve 3, allowing the slag to enter the transfer box 6 through the sealed cabin 17 and the dust cover 16, closing the primary shutoff valve 16 after dumping, and opening the secondary shutoff gate valve 3 to finish primary discharge of the slag. When the slag in the transfer box 6 reaches a certain weight, the weighing type material level meter 9 is triggered to send out a full box alarm. At the moment, the lifting cylinder 7 is started, the descending bottom plate 8, the weighing type material level indicator 9 and the base 10 are lowered, the box body is hung on the dragging track 5 through the steel wire rope 12 by the lifting lugs 11 on the transfer box 6, the dragging device is started to move the transfer box 6 to the dumping point, and dumping of slag materials is achieved. After the dumping is finished, the transfer box 6 is placed below the sealed cabin 17 through the dragging track 5, and the dumping of the transfer box is finished.

Example 2

Referring to fig. 2, the slag discharging device of the fan coal mill comprises a reducing pipeline 1 and a slag discharging pipeline 2 which are connected below an iron accumulation groove of a machine shell 1, wherein a first pneumatic shut-off valve 19 is arranged on the slag discharging pipeline 2, the lower end of the slag discharging pipeline 2 is connected with a pebble coal storage tank 21, a material level meter 22 is arranged on the pebble coal storage tank 21, the tank body is fixed on the ground through a support seat 23, a second pneumatic shut-off valve 20 is arranged below the tank body, and a transferring device is a pebble coal conveying belt 24.

The working process of the utility model is as follows: when the coal mill runs, the first pneumatic shutoff valve 19 on the slag discharge pipeline 2 is opened, the second pneumatic shutoff valve 20 is closed, and slag discharged by the coal mill is stored in the pebble coal storage tank 21. When the slag is accumulated to a certain height, the material level meter 22 is triggered to send out a full-tank alarm, at the moment, the first pneumatic stop valve 19 is closed, the second pneumatic stop valve 20 is opened, the slag in the tank is poured onto the pebble coal conveying belt 24, and the slag is transferred to a treatment point. And after the dumping is finished, opening the first pneumatic stop valve 19, closing the second pneumatic stop valve 20, and repeating the cycle to finish the discharging and dumping of the fan slag materials.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a sediment device is arranged to fan coal pulverizer, includes the casing, its characterized in that: still including arranging the sediment pipeline, arranging sediment pneumatic door, material case, weighing device and transfer device, the long-pending iron groove below of casing is provided with row's sediment pipeline, it is connected with row sediment pneumatic door on the sediment pipeline to arrange, it is connected with the material case to arrange sediment pipeline below, sets up weighing device on the material case, sends full case when weighing device and reports to the police the back, and the pneumatic door action is arranged in the control sediment, and the material case passes through transfer device and carries to empting the point, accomplishes empting of material.

2. The slag discharge device of the fan coal mill according to claim 1, wherein: arrange sediment pneumatic door is including setting up the pneumatic shut-off valve of twice on arranging the sediment pipeline, from the top down is once shut-off valve and secondary shut-off valve respectively, arrange sediment pipeline trailing end connection has the sealed cabin, the transport box of material case for having the observation window, weighing device is for installing weighing charge level indicator and the base on the transport box, weighing charge level indicator passes through pedestal mounting on the bottom plate that has the lift cylinder, the track is pulled for setting up in the transport box both sides to the transport device, is connected with wire rope between the track of pulling of both sides, and the lug that the transport box set up on through the outer wall is connected on wire rope.

3. The slag discharge device of the fan coal mill according to claim 2, wherein: the top of sealed cabin is equipped with the relief valve, and the bottom of sealed cabin is connected with protection casing and sealing washer, and the outside of sealed cabin is provided with compresses tightly the cylinder, extrudees the sealing washer through compressing tightly the cylinder and seals, the below of sealing washer is equipped with the material case.

4. The slag discharge device of the fan coal mill according to claim 1, wherein: arrange sediment pneumatic door including setting up the first pneumatic shut-off valve on arranging the sediment pipeline and connecting in the pneumatic shut-off valve of second way of pebble coal bin below, the material case is for connecting in the pebble coal bin of arranging sediment pipeline lower extreme, and weighing device is for setting up the charge level indicator on the pebble coal bin, and the pebble coal bin is fixed in subaerially through the supporting seat, transfer device is the pebble coal conveyer belt of setting in pebble coal bin below.