CN212051498U

CN212051498U - Energy-saving intelligent blast furnace skip feeding system

Info

Publication number: CN212051498U
Application number: CN202020314128.6U
Authority: CN
Inventors: 张楚; 杨撵上
Original assignee: Cisdi Equipment Co ltd
Current assignee: Cisdi Equipment Co ltd
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2020-12-01
Anticipated expiration: 2030-03-13

Abstract

The utility model belongs to the field of smelting equipment, and relates to an energy-saving intelligent blast furnace skip feeding system, which comprises a frame, wherein a winding drum and a speed reducer are fixedly arranged on the frame, the speed reducer comprises a low-speed shaft and a high-speed shaft which are arranged at two ends, one end of the low-speed shaft is matched and connected with the winding drum through a shaft hole, and one end of the high-speed shaft is matched and connected with a motor through a shaft coupling; the speed reducer and the motor are also connected with an electric control system; the box body of the speed reducer is also provided with a flexible simple support shaft in a matching way, and the interior of the box body is also provided with a load sensor in a matching way; the load sensor is matched with the box body of the speed reducer and communicated with the electric control system. The utility model discloses a speed when the great material of control bulk density is promoted can select motor and the reduction gear that power is littleer, and speed when the less material of improvement bulk density is promoted simultaneously keeps the overall operation duration unchangeable, reaches reduce cost and energy saving's purpose, thinks about ingenious, novel structure, degree of automation height, energy-efficient, low-cost.

Description

Energy-saving intelligent blast furnace skip feeding system

Technical Field

The utility model belongs to the field of smelting equipment, a energy-saving intelligent blast furnace skip charging system is related to.

Background

The types of materials promoted by the charging system of the blast furnace skip car mainly comprise sinter, pellet, lump ore and coke. Because the effective volume of the skip car is fixed and the density difference of the material pile is large, when the traditional blast furnace skip car lifts the material, the design is to configure a motor, a speed reducer, an electric control system and other components according to the maximum weight and rated speed of the lifted material. When the coke with smaller bulk density is promoted, the coke is loaded according to the rated speed, and then the phenomenon of 'big horse pulls a trolley' occurs, the capability of constant power speed regulation above the fundamental frequency of the motor cannot be fully exerted, so that the reactive power proportion of a loading system is increased, the active power proportion is reduced, and the energy waste is caused.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing an energy-saving intelligent blast furnace skip charge-in system has solved traditional blast furnace skip charge-in system and has only utilized the not enough of below the fundamental frequency constant torque speed governing, causes the extravagant defect of the energy, does benefit to full play skip charge-in system's ability.

In order to achieve the above purpose, the utility model provides a following technical scheme: an energy-saving intelligent blast furnace skip feeding system comprises a base, wherein a winding drum and a speed reducer are fixedly mounted on the base, the speed reducer comprises a low-speed shaft and a high-speed shaft which are arranged at two ends, one end of the low-speed shaft is connected with the winding drum in a matched mode through a shaft hole, and one end of the high-speed shaft is connected with a motor in a matched mode through a coupling;

the speed reducer and the motor are also connected with an electric control system;

one end of the box body of the speed reducer, which is close to the high-speed shaft, is also provided with a flexible simple support shaft in a matching way, the flexible simple support shaft is fixed on the machine base, and the interior of the flexible simple support shaft is also provided with a load sensor in a matching way;

the load sensor is matched with the box body of the speed reducer and used for monitoring the position change of the speed reducer in real time and is communicated with the electric control system in a matching mode.

Optionally, a brake is further disposed on the other end of the high-speed shaft away from the motor in a matching manner, and the brake is fixedly mounted on the base.

Optionally, the electrical control system includes a master controller communicated with the reducer, a frequency converter communicated with the motor, and a PLC master control unit respectively communicated with the master controller and the frequency converter.

Optionally, the other end of the low-speed shaft far away from the winding drum is further provided with an absolute encoder, and the speed reducer is communicated with the master controller through the absolute encoder.

Optionally, the load sensor is connected to the PLC main control unit.

The beneficial effects of the utility model reside in that: the utility model discloses a speed when the great material of control bulk density is promoted can select motor and the reduction gear that power is littleer, and speed when the less material of improvement bulk density is promoted simultaneously keeps the overall operation duration unchangeable, reaches reduce cost and energy saving's purpose, thinks about ingenious, novel structure, degree of automation height, energy-efficient, low-cost.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.

Drawings

For the purposes of promoting a better understanding of the objects, features and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:

FIG. 1 is the overall structural intention of a charging system of an energy-saving intelligent blast furnace skip car of the utility model;

fig. 2 is the utility model discloses an energy-saving intelligent blast furnace skip charging system's electrical control system flow chart.

Reference numerals: the device comprises a speed reducer 1, a motor 2, a winding drum 3, a flexible simple support shaft 4, a load sensor 5, an absolute encoder 6, a master controller 7, a frequency converter 8, a PLC (programmable logic controller) main control unit 9, a machine base 10 and a brake 11.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.

Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in any way limiting the scope of the invention; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "back", etc., indicating directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

Please refer to fig. 1-2, which are a feeding system of an energy-saving intelligent blast furnace skip car, comprising a base 10, a winding drum 3 and a speed reducer 1 are fixedly mounted on the base 10, the speed reducer 1 comprises a low-speed shaft and a high-speed shaft which are arranged at two ends, one end of the low-speed shaft is connected with the winding drum 3 in a matching way through a shaft hole, the other end of the low-speed shaft far away from the winding drum 3 is also provided with an absolute encoder 6, the speed reducer 1 is communicated with a master controller 7 through the absolute encoder 6, one end of the high-speed shaft is connected with a motor 2 in a matching way through a coupler, the other end of the high-speed shaft far away from the motor 2 is also provided with a brake 11 in a matching way; the reducer 1 and the motor 2 are also connected with an electrical control system, and the electrical control system comprises a master controller 7 communicated with the reducer 1, a frequency converter 8 communicated with the motor 2 and a PLC main control unit 9 respectively communicated with the master controller 7 and the frequency converter 8; one end of the box body of the speed reducer 1 close to the high-speed shaft is also provided with a flexible simple support shaft 4 in a matching way, the flexible simple support shaft 4 is fixed on the machine base 10, and the interior of the box body is also provided with a load sensor 5 in a matching way; the load sensor 5 is matched with the box body of the speed reducer 1 and used for monitoring the position change of the speed reducer 1 in real time and is communicated with the electric control system in a matching mode, and the load sensor 5 is connected to the PLC main control unit 9.

The utility model discloses when promoting the material, when bearing different bulk density's material on reel 3, the high position of its axle changes, thereby the high position through the fixed connection relation drive reduction gear 1 of low-speed axle changes, and record this high position change's data through load sensor 5, simultaneously feedback signal is to among the electrical control system, PLC main control unit 9 is through discerning load sensor 5's data, come discernment to promote the bulk density size and the classification of material, absolute type encoder 6 transmission signal gives master controller 7 simultaneously, PLC main control unit 9 receives behind the master controller 7, signal through load sensor 5 feedback, PLC main control unit 9 selective velocity changes, simultaneously with variable speed signal transmission for converter 8 carry out the variable speed output for motor 2, thereby control skip speed of operation. When the material (coke) with lower bulk density is identified, the running speed is automatically increased; when the materials (sinter, pellet and lump ore) with higher bulk density are identified, the running speed is automatically reduced.

The utility model discloses a speed when the great material of control bulk density is promoted can select motor 2 and reduction gear 1 that power is littleer, and speed when the less material of improvement bulk density is promoted simultaneously keeps overall operating duration unchangeable, reaches reduce cost and energy saving's purpose, thinks about ingenious, novel structure, degree of automation height, energy-efficient, low cost.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.

Claims

1. The utility model provides an intelligent blast furnace skip feeding system of energy-saving, includes the frame, fixed mounting has reel and reduction gear, its characterized in that on the frame: the speed reducer comprises a low-speed shaft and a high-speed shaft which are arranged at two ends, one end of the low-speed shaft is connected with the winding drum in a matched mode through a shaft hole, and one end of the high-speed shaft is connected with a motor in a matched mode through a coupler;

the load sensor is connected with the box body of the speed reducer in a matching mode, is used for monitoring the position change of the speed reducer in real time, and is communicated with the electrical control system in a matching mode.

2. The energy-saving intelligent blast furnace skip feeding system according to claim 1, characterized in that: the other end of the high-speed shaft far away from the motor is also provided with a brake in a matching way, and the brake is fixedly arranged on the base.

3. The energy-saving intelligent blast furnace skip feeding system according to claim 1, characterized in that: the electrical control system comprises a master controller communicated with the speed reducer, a frequency converter communicated with the motor and a PLC master control unit respectively communicated with the master controller and the frequency converter.

4. The energy-saving intelligent blast furnace skip feeding system according to claim 3, characterized in that: the other end of the low-speed shaft far away from the winding drum is also provided with an absolute encoder, and the speed reducer is communicated with the master controller through the absolute encoder.

5. The energy-saving intelligent blast furnace skip feeding system according to claim 3, characterized in that: the load sensor is connected to the PLC main control unit.