CN216366772U

CN216366772U - Special equipment for dehydrating and separating coal mud in coal mine at high speed

Info

Publication number: CN216366772U
Application number: CN202122642205.8U
Authority: CN
Inventors: 宋峰; 钟灵敏; 蒲仁利; 万熠; 高峰; 王亚平
Original assignee: Shandong Luban Machinery Technology Co ltd
Current assignee: Shandong Luban Machinery Technology Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-04-26
Anticipated expiration: 2031-11-01

Abstract

The utility model discloses a special device for dehydrating and separating underground coal mine coal slime at a high speed, which comprises a high-speed dehydration and separation mechanism, wherein the high-speed dehydration and separation mechanism comprises a machine body assembly, a spiral assembly, a differential mechanism assembly, an auxiliary belt assembly, an auxiliary motor assembly, a walking assembly, a main belt assembly, a main motor assembly and a related electrical system. By designing the special planetary gear differential, the utility model has the advantages of small volume, high transmission efficiency, wide speed reduction range, high precision, stable transmission and low noise; the speed regulation control of the double frequency converters sharing the bus is adopted, the separation effect is good, the operation efficiency is high, the rotating speed of the main motor and the auxiliary motor is independently controlled by the main frequency converter and the auxiliary frequency converter, the speed regulation control precision is high, the dynamic response is fast, the specific gravity of the slime water is well adapted, and the operation of various feeding working conditions is adapted.

Description

Special equipment for dehydrating and separating coal mud in coal mine at high speed

Technical Field

The utility model relates to the field of coal mine underground coal slime treatment, in particular to special equipment for dehydrating and separating coal mine underground coal slime at a high speed.

Background

The coal mine underground coal slurry special equipment effectively solves the problems that the coal mine underground coal slurry, particularly a water sump, underground water and a large amount of coal particles are mixed into coal slurry water, and if the coal slurry water is directly cleaned and discharged to the ground, the coal slurry water can cause great environmental pollution and resource waste.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems of environmental pollution and resource waste caused by the cleaning of the coal slime water in the water sump.

In order to solve the technical problems, the utility model adopts a technical scheme that: the special equipment for dehydrating and separating coal mud in the underground coal mine at high speed comprises a high-speed dehydration and separation mechanism, wherein the high-speed dehydration and separation mechanism comprises a machine body assembly, a spiral assembly, a differential mechanism assembly, an auxiliary belt assembly, an auxiliary motor assembly, a walking assembly, a main belt assembly, a main motor assembly and a related electrical system;

the auxiliary motor assembly and the main motor assembly are fixed on the machine body assembly, one side of the differential assembly is connected with the auxiliary motor assembly through an auxiliary belt assembly, the other side of the differential assembly is connected with the spiral assembly, the main motor assembly is connected with the spiral assembly through a main belt assembly, and the walking assembly is arranged at the lower part of the machine body assembly;

the differential assembly comprises a first-stage sun gear, a first-stage inner gear ring, a first-stage planet gear, a first-stage planet carrier, a second-stage sun gear, a second-stage inner gear ring, a second-stage planet gear, a second-stage planet carrier, an input shaft, a front end cover, a shell, a rear end cover, an output shaft, bearings, sealing rings and the like.

Preferably, the screw assembly comprises a screw conveyor and a rotating drum, the main motor assembly is connected with the screw conveyor of the screw assembly through a main belt assembly, and the auxiliary motor assembly is connected with the rotating drum of the screw assembly through an auxiliary belt assembly and a differential assembly.

Preferably, the differential assembly is a planetary gear reducer, a liquid level adjusting sheet is arranged at a liquid outlet of the spiral assembly, the walking assembly is installed on the lower portion of the machine body assembly and connected through bolts, the machine body assembly comprises six supporting legs, and a set of damping device is installed at the lower end of each supporting leg.

The utility model has the following beneficial effects:

by designing the special planetary gear differential, the utility model has the advantages of small volume, high transmission efficiency, wide speed reduction range, high precision, stable transmission and low noise; the speed regulation control of the double frequency converters sharing the bus is adopted, the separation effect is good, the operation efficiency is high, the rotating speed of the main motor and the auxiliary motor is independently controlled by the main frequency converter and the auxiliary frequency converter, the speed regulation control precision is high, the dynamic response is fast, the specific gravity of slime water is well adapted, and the operation of various feeding working conditions is adapted; when discharging adjustment is carried out under the large differential working condition with high solid content rate, the auxiliary motor works in a regenerative braking state due to spiral lag, regenerated energy is sent to a direct current bus of the auxiliary frequency converter, and the energy is utilized by the main motor through the main frequency converter due to the fact that the direct current buses of the main frequency converter and the auxiliary frequency converter are connected in parallel, so that energy is saved and consumption is reduced; the differential speed with high precision and high response is fed back and adjusted in time, so that constant torque control of the pushing screw can be realized, and continuous and stable discharging and tail water cleanliness can be realized; the broadband differential speed adjustment is easy to handle the accumulation of materials in the rotary drum caused by emergencies; the frequency converter soft start control can reduce power grid and mechanical impact, prevent system overload, and meet various application functions of the equipment.

Drawings

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

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

In the figure: 1. a machine body assembly; 2. a screw assembly; 3. a differential assembly; 4. an auxiliary belt assembly; 5. an auxiliary motor assembly; 6. a walking assembly; 7. a main belt assembly; 8. a main motor assembly; a1, first stage sun gear; b1, a first-stage annular gear; c1, first stage planet; h1, a first stage planet carrier; a2, second stage sun gear; b2, second-stage annular gear; c2, second stage planet; h2, a second stage planet carrier; d. an input shaft; e. a front end cover; f. a housing; g. a rear end cap; h. and an output shaft.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.

Referring to fig. 1, the special device for dehydrating and separating coal mud in a coal mine at a high speed comprises a high-speed dehydration and separation mechanism, wherein the high-speed dehydration and separation mechanism comprises a machine body assembly 1, a spiral assembly 2, a differential mechanism assembly 3, an auxiliary belt assembly 4, an auxiliary motor assembly 5, a walking assembly 6, a main belt assembly 7, a main motor assembly 8 and a related electrical system (not shown in the figure), and the auxiliary motor assembly 5 and the main motor assembly 8 are fixed on the machine body assembly 1; differential mechanism assembly 3 links to each other with supplementary motor assembly 5 through assisting belt assembly 4 on one side, and the another side links to each other with spiral assembly 2, and main motor assembly 8 links to each other with spiral assembly 2 through main belt assembly 7, and walking assembly 6 is installed in organism assembly 1 lower part, and spiral assembly 2 includes two parts: a screw conveyor and a drum. The main motor assembly 8 is connected with the screw conveyor of the screw assembly 2 through the main belt assembly 7, and power transmission is carried out to enable the screw conveyor to rotate at a high speed (the rotating speed can be set); the auxiliary motor assembly 5 is connected with the rotary drum of the spiral assembly 2 through the auxiliary belt assembly 4 and the differential assembly 3, power transmission is carried out to enable the rotary drum to rotate at a high speed (the rotating speed can be set), solid particles and liquid water in the coal slime water are separated under the action of a centrifugal force field generated by the high-speed rotation of the spiral assembly 2, the solid particles can quickly settle to the inner wall of the rotary drum, liquid can form a concentric circulation inner layer, the differential assembly 3 is a planetary gear reducer and is used for keeping a stable rotating speed difference between the spiral conveyor and the rotary drum, stable relative motion can be generated between a spiral blade of the spiral conveyor and the rotary drum, so that propelling force can be generated on the solid particles settled on the inner wall of the rotary drum, the solid particles and the liquid are discharged from different outlets, the rotary drum is designed into a conical section and a column section, and a discharge outlet is arranged at the conical section for discharging the solid, the cone structure can guarantee that liquid can not follow the bin outlet and flow, and can reduce the moisture content of the solid of arranging to a certain extent, the liquid outlet department of spiral assembly 2 is provided with the liquid level control piece, can adjust the liquid level, low liquid level can obtain higher solid quality, high liquid level can obtain higher liquid clarity, walking assembly 6 is installed in 1 lower part of organism assembly, for bolted connection, can dismantle, the gauge is 600/900mm adjustable, make things convenient for underground rail transport, organism assembly 1 contains six landing legs, one set of damping device is equipped with to every landing leg lower extreme, the effect is when this equipment high-speed operation, reduce vibration and noise, protective apparatus.

As shown in fig. 2, the differential assembly 3 is a planetary gear reducer, which is composed of a first-stage sun gear a1, a first-stage ring gear b1, a first-stage planet gear c1, a first-stage planet carrier H1, a second-stage sun gear a2, a second-stage ring gear b2, a second-stage planet gear c2, a second-stage planet carrier H2, an input shaft d, a front-connected auxiliary pulley, a front end cover e, a housing f, a rear end cover g, an output shaft H, a rear-connected rotary drum, bearings and seal rings, which are not shown in the figure, and the like, and has the advantages that: the utility model has small volume, high transmission efficiency, wide speed reducing range, high precision, stable transmission and low noise, when the utility model is used for high-speed dehydration and separation of coal slime in a coal mine, particularly a water sump, coal slime water enters the device from an A port, enters a spiral assembly 2 rotating at high speed from a B port through a central feeding long hole, under the action of a strong centrifugal force field, solid and liquid in the coal slime water can be separated, solid particles can quickly settle to the inner wall of a rotary drum, liquid can form a concentric circular inner layer, a main motor assembly 8 drives a spiral conveyor in the spiral assembly 2 to rotate at high speed through a main belt assembly 7, an auxiliary motor assembly 5 drives the rotary drum in the spiral assembly 2 to rotate at high speed through an auxiliary belt assembly 4 and a differential mechanism assembly 3, the main and auxiliary frequency converters and the differential mechanism set the rotating speed of the main and auxiliary motors, and the differential mechanism assembly 3 ensures stable rotating speed difference between the spiral conveyor and the rotary drum, the screw blade of the screw conveyor and the rotary drum can generate stable relative movement, so that the propelling force is generated on the solid particles settled on the inner wall of the rotary drum, the solid particles are propelled to the drying area of the conical section of the rotary drum and finally discharged from the discharge port C, and the separated clear liquid is discharged from the liquid outlet D.

When the planetary gear differential is used, the special planetary gear differential is designed, so that the planetary gear differential is small in size, high in transmission efficiency, wide in speed reduction range, high in precision, stable in transmission and low in noise; the speed regulation control of the double frequency converters sharing the bus is adopted, the separation effect is good, the operation efficiency is high, the rotating speed of the main motor and the auxiliary motor is independently controlled by the main frequency converter and the auxiliary frequency converter, the speed regulation control precision is high, the dynamic response is fast, the specific gravity of slime water is well adapted, and the operation of various feeding working conditions is adapted; when discharging adjustment is carried out under the large differential working condition with high solid content rate, the auxiliary motor works in a regenerative braking state due to spiral lag, regenerated energy is sent to a direct current bus of the auxiliary frequency converter, and the energy is utilized by the main motor through the main frequency converter due to the fact that the direct current buses of the main frequency converter and the auxiliary frequency converter are connected in parallel, so that energy is saved and consumption is reduced; the differential speed with high precision and high response is fed back and adjusted in time, so that constant torque control of the pushing screw can be realized, and continuous and stable discharging and tail water cleanliness can be realized; the broadband differential speed adjustment is easy to handle the accumulation of materials in the rotary drum caused by emergencies; the frequency converter soft start control can reduce power grid and mechanical impact, prevent system overload, and meet various application functions of the equipment.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a colliery is high-speed separation professional equipment of colliery underground coal mud dehydration, includes high-speed dehydration separating mechanism, its characterized in that: the high-speed dehydration separation device comprises a machine body assembly (1), a spiral assembly (2), a differential assembly (3), an auxiliary belt assembly (4), an auxiliary motor assembly (5), a walking assembly (6), a main belt assembly (7), a main motor assembly (8) and a related electrical system;

the auxiliary motor assembly (5) and the main motor assembly (8) are fixed on the machine body assembly (1), one side of the differential mechanism assembly (3) is connected with the auxiliary motor assembly (5) through the auxiliary belt assembly (4), the other side of the differential mechanism assembly is connected with the spiral assembly (2), the main motor assembly (8) is connected with the spiral assembly (2) through the main belt assembly (7), and the walking assembly (6) is installed on the lower portion of the machine body assembly (1);

the differential assembly (3) is composed of a first-stage sun gear (a 1), a first-stage inner gear ring (b 1), a first-stage planet gear (c 1), a first-stage planet carrier (H1), a second-stage sun gear (a 2), a second-stage inner gear ring (b 2), a second-stage planet gear (c 2), a second-stage planet carrier (H2), an input shaft (d), a front end cover (e), a shell (f), a rear end cover (g), an output shaft (H), bearings and sealing rings.

2. The special device for dehydrating and separating coal mine underground coal slime according to claim 1, which is characterized in that: the spiral assembly (2) comprises a spiral conveyor and a rotary drum, the main motor assembly (8) is connected with the spiral conveyor of the spiral assembly (2) through a main belt assembly (7), and the auxiliary motor assembly (5) is connected with the rotary drum of the spiral assembly (2) through an auxiliary belt assembly (4) and a differential assembly (3).

3. The special device for dehydrating and separating coal mine underground coal slime according to claim 1, which is characterized in that: the differential assembly (3) is a planetary gear reducer.

4. The special device for dehydrating and separating coal mine underground coal slime according to claim 1, which is characterized in that: and a liquid level adjusting sheet is arranged at a liquid outlet of the spiral assembly (2).

5. The special device for dehydrating and separating coal mine underground coal slime according to claim 1, which is characterized in that: the walking assembly (6) is arranged at the lower part of the machine body assembly (1) and is connected by bolts.

6. The special device for dehydrating and separating coal mine underground coal slime according to claim 1, which is characterized in that: the machine body assembly (1) comprises six supporting legs, and a set of damping device is arranged at the lower end of each supporting leg.