CN210952155U

CN210952155U - Coal slime drying equipment and drying system

Info

Publication number: CN210952155U
Application number: CN201922004937.7U
Authority: CN
Inventors: 乔阳; 党丽君; 党文君; 杨学锋; 王守仁; 张浩波
Original assignee: University of Jinan
Current assignee: University of Jinan
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-07-07
Anticipated expiration: 2029-11-20

Abstract

Coal slime drying equipment and drying system for improve the drying efficiency of coal slime. The drying apparatus includes a frame; the drying cylinder is a cylinder and is rotatably mounted on the rack, a driving mechanism for driving the drying cylinder to rotate is arranged on the rack, a discharge hole is formed in the side wall of the drying cylinder, and a sealing plate for sealing the discharge hole is arranged on the outer wall of the drying cylinder; a plurality of turning and throwing plates are arranged on the inner wall of the drying cylinder; the mud adding pipe is obliquely arranged, and the lower end of the mud adding pipe extends into the drying cylinder; and the drying mechanism is arranged between the two open ends of the drying cylinder and used for drying the coal slime in a hot air drying mode. The drying system includes a drying apparatus; the sedimentation tank is equipped with a plurality of drain pipes that set up from top to bottom on the outer wall of sedimentation tank, is equipped with the mud pipe below the drain pipe of below, and the mud pipe passes through the connecting pipe and adds mud union coupling. The utility model discloses can high-efficiently realize the drying to the coal slime.

Description

Coal slime drying equipment and drying system

Technical Field

The utility model belongs to the technical field of the coal slime stoving technique and specifically relates to a coal slime drying equipment and drying system.

Background

Coal slime is an essential product in the coal mining process and should be dried for use. In the coal slime drying process, the problem of low drying efficiency exists because the coal slime contains more water. And the coal slime is easy to be bonded on the inner wall of the drying equipment, so that the cleaning is difficult.

Disclosure of Invention

An object of the utility model is to provide a coal slime drying equipment and drying system for improve the drying efficiency of coal slime.

The utility model provides a technical scheme that its technical problem adopted is: coal slime drying equipment, characterized by, it includes:

a frame;

the drying cylinder is a cylinder and is rotatably mounted on the rack, a driving mechanism for driving the drying cylinder to rotate is arranged on the rack, a discharge hole is formed in the side wall of the drying cylinder, and a sealing plate for sealing the discharge hole is arranged on the outer wall of the drying cylinder; a plurality of turning and throwing plates are arranged on the inner wall of the drying cylinder;

the mud adding pipe is obliquely arranged, and the lower end of the mud adding pipe extends into the drying cylinder;

and the drying mechanism is arranged between the two open ends of the drying cylinder and used for drying the coal slime in a hot air drying mode.

Furthermore, the driving mechanism comprises a gear ring fixed on the outer wall of the drying cylinder, a gear meshed with the gear ring and a motor driving the gear.

Furthermore, a pair of guide rails is arranged on the outer wall of the drying cylinder, a sealing plate is arranged between the two guide rails in a sliding manner, and the sealing plate is a circular arc-shaped plate and is in contact with the outer wall of the drying cylinder.

Furthermore, an acute included angle is formed between the turning and throwing plate and the axis of the drying cylinder.

Furthermore, the drying mechanism comprises an air baffle plate arranged at the left end of the drying cylinder and in contact with the drying cylinder, an air pipe arranged on the air baffle plate, a heat collecting groove arranged at the right end of the drying cylinder, a recovery pipe communicated with the heat collecting groove, and a waste heat recovery cylinder communicated with the recovery pipe and sleeved on the periphery of the drying cylinder.

Furthermore, the waste heat recovery cylinder is of a cylindrical structure, the outer wall of the waste heat recovery cylinder is of a hollow structure, and the inner wall of the waste heat recovery cylinder is provided with heat exchange fins.

Furthermore, a coal slime baffle is arranged on the right side of the drying cylinder, slots are formed in the coal slime baffle, and inserting plates are arranged in the slots.

Coal slime drying system, characterized by, it includes:

a drying device;

the sedimentation tank is equipped with a plurality of drain pipes that set up from top to bottom on the outer wall of sedimentation tank, is equipped with the mud pipe below the drain pipe of below, and the mud pipe passes through the connecting pipe and adds mud union coupling.

The utility model has the advantages that: the utility model provides a coal slime drying equipment and drying system deposits the coal slime earlier, then air-dries the coal slime after depositing, and carries out continuous turning over to the coal slime when air-drying and throws, and then guarantees the effect of drying.

Drawings

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

FIG. 2 is an axial schematic view of a drying drum;

FIG. 3 is a schematic view of any of the tumbling plates in the dryer drum;

FIG. 4 is a schematic view of a wind shield;

FIG. 5 is a schematic view of a coal slurry baffle;

FIG. 6 is a cross-sectional view of the dryer can;

FIG. 7 is a cross-sectional view of a heat recovery cartridge;

FIG. 8 is a schematic view of a settling tank;

fig. 9 is a schematic view of the drying system of the present invention;

in the figure: the device comprises a drying cylinder 1, a turning and throwing plate 11, a guide rail 12, a gear ring 13, a gear 14, a motor 15, a discharge hole 16, a rack 2, a sealing plate 3, bolts 31, an air baffle 4, an air pipe 41, a coal slime baffle 5, a slot 51, a plugboard 52, a waste heat recovery cylinder 6, a heat exchange sheet 61, a recovery cavity 62, a recovery pipe 63, a sedimentation tank 7, a drain pipe 71, a sludge discharge pipe 72, a connecting pipe 73 and a sludge adding pipe 8.

Detailed Description

As shown in fig. 1 to 7, the utility model discloses a drying equipment includes drying cylinder 1, frame 2, actuating mechanism, turns over throwing board 11 and drying mechanism, and it is right to combine the figure below the utility model discloses a coal slime drying equipment and drying system carry out detailed description.

As shown in FIG. 1, the frame 2 is the supporting component of the coal slurry drying device of the present invention, and the frame is a pair of section bar welding parts. The frame is fixed on the foundation and has enough stability.

The drying cylinder 1 is a metal piece with a cylindrical structure, is rotatably installed between two racks, and is fixed with a plurality of uniformly arranged turning and throwing plates 11 on the inner wall of the drying cylinder as shown in figure 2, and the turning and throwing plates and the axis of the drying cylinder form an acute included angle. In order to drive the drying drum to rotate, a gear ring 13 is fixed on the outer wall of the drying drum, a motor 15 is arranged on the foundation, and a gear 14 is fixed at the output end of the motor and is meshed with the gear ring. As shown in fig. 3, a discharge hole 16 is formed in the outer wall of the drying cylinder, and the coal slurry dried in the drying cylinder is moved out through the discharge hole. Guide rails 12 are arranged at the left end and the right end of the discharge hole, the guide rails are of circular ring structures, and the guide rails are fixedly connected with the outer wall of the drying cylinder. Be equipped with shrouding 3 between two guide rails, the shrouding is arc board, and after the shrouding blocked the discharge opening, mounting bolt 31 between shrouding and drying cylinder, and then realize the closure to the discharge opening. Loosening the bolt, staggering shrouding and discharge opening, this moment along with the rotation of a stoving section of thick bamboo, the coal slime of drying in the section of thick bamboo can shift out through the discharge opening. The gear ring, the motor and the gear form a driving mechanism, the driving mechanism can drive the drying drum to rotate under the action of the driving mechanism, the coal slime can be thrown out in the rotating process of the drying drum, and the thrown coal slime falls under the dead weight, so that the process is repeated, and the drying of the coal slime is promoted.

In order to add hot air into the drying cylinder to dry the coal slime, an air baffle is arranged at the left end of the drying cylinder, as shown in fig. 1 and 4, the air baffle is a metal plate, an air pipe 41 is arranged on the air baffle, and the hot air enters the drying cylinder through the air pipe. The air baffle plate is contacted with the left end surface of the drying cylinder, so that hot air in the drying cylinder can be prevented from running out through the left end of the drying cylinder. The coal slime falls after being continuously thrown by the turning and throwing plate, hot air continuously enters the drying cylinder and contacts with the thrown coal slime, and drying of the coal slime is promoted.

In order to add coal slime into the drying cylinder, a mud adding pipe 8 is arranged at the right end of the drying cylinder and is obliquely arranged, the lower end of the mud adding pipe extends into the drying cylinder, and the coal slime falls into the drying cylinder through the mud adding pipe.

For the realization to blockking of the interior coal slime of a stoving section of thick bamboo, prevent at the rotatory in-process of a stoving section of thick bamboo that the coal slime exposes through a stoving section of thick bamboo, be equipped with coal slime baffle 5 at the right-hand member of a stoving section of thick bamboo, as shown in fig. 5, coal slime baffle contacts with the right-hand member face of a stoving section of thick bamboo, nevertheless does not influence the rotation of a stoving section of thick bamboo. The height of the coal slime baffle is lower than the axial height of the drying cylinder, a slot 51 is formed in the top of the coal slime baffle, an inserting plate 52 is inserted in the slot, the inserting plate is arranged to seal the slot, and the coal slime in the drying cylinder cannot move out at the moment; when the dried coal slime needs to be moved out, the plugboard is pulled up to enable the plugboard to be pulled out of the slot by one section.

A waste heat recovery cylinder 6 is arranged at the periphery of the drying cylinder, as shown in fig. 7, the waste heat recovery cylinder is of a cylindrical structure, the waste heat recovery cylinder is sleeved outside the drying cylinder, the side wall of the waste heat recovery cylinder is of a hollow structure and forms a recovery cavity 62, a heat exchange sheet 61 is fixed on the inner wall of the waste heat recovery cylinder, the heat exchange sheet is of a circular ring shape and is in contact with the inner wall of the drying cylinder, a recovery pipe 63 is arranged on the waste heat recovery cylinder, a heat collection groove is arranged at the first end of the recovery pipe, the large end of the heat collection groove faces the inside of the drying cylinder, hot air moves right and left in the drying cylinder, enters the recovery pipe and then enters the recovery cavity, heat is transferred to the heat exchange sheet, the heat exchange sheet is in contact with the drying cylinder, and then the waste heat is transferred to. The air baffle, the air pipe, the recovery pipe and the waste heat recovery cylinder form a drying mechanism.

Coal slime drying system, including drying equipment and sedimentation tank 7, as shown in fig. 8, fig. 9, the sedimentation tank is the open cuboid structure in top, be equipped with a plurality of drain pipes 71 that set up from top to bottom on the lateral wall of sedimentation tank, in the below of below drain pipe, be equipped with mud pipe 72 on the lateral wall of sedimentation tank, coal slime in the sedimentation tank deposits earlier, then from last drain pipe down of opening gradually, deposit the water of back top with the coal slime earlier and discharge, then open the mud pipe, the coal slime input after will depositing adds in the mud pipe 8, get into in the section of thick bamboo of drying afterwards. And a connecting pipe 73 is arranged between the mud adding pipe and the mud discharging pipe to realize the connection of the mud adding pipe and the mud discharging pipe, and then the coal slime is added into the drying cylinder.

The utility model discloses, deposit earlier the coal slime, then air-dry the coal slime after depositing, and carry out continuous turning over the throwing to the coal slime when air-drying, and then guarantee the effect of drying.

Claims

1. Coal slime drying equipment, characterized by, it includes:

a frame;

2. The coal slime drying apparatus of claim 1 wherein the driving mechanism comprises a gear ring fixed on the outer wall of the drying drum, a gear engaged with the gear ring, and a motor driving the gear.

3. The coal slime drying apparatus of claim 2 wherein a pair of guide rails are provided on the outer wall of the drying cylinder, and a sealing plate is slidably disposed between the guide rails, the sealing plate being a circular arc plate and contacting the outer wall of the drying cylinder.

4. The coal slime drying apparatus of claim 3 wherein the angle between the deflector and the axis of the drum is acute.

5. The coal slime drying equipment as set forth in claim 4, wherein the drying mechanism comprises an air baffle plate disposed at the left end of the drying cylinder and contacting with the drying cylinder, an air pipe disposed on the air baffle plate, a heat collecting groove disposed at the right end of the drying cylinder, a recycling pipe communicated with the heat collecting groove, and a waste heat recycling cylinder communicated with the recycling pipe and sleeved at the periphery of the drying cylinder.

6. The coal slime drying equipment as set forth in claim 5, wherein the waste heat recovery cylinder has a cylindrical structure, the outer wall of the waste heat recovery cylinder has a hollow structure, and the inner wall of the waste heat recovery cylinder is provided with heat exchange fins.

7. The coal slime drying equipment as set forth in claim 6, wherein a coal slime baffle is provided on the right side of the drying cylinder, and the coal slime baffle is provided with slots, and inserting plates are provided in the slots.

8. Coal slime drying system, characterized by, it includes:

a drying device;