CN216898356U

CN216898356U - Continuous feeding system of melting furnace

Info

Publication number: CN216898356U
Application number: CN202220353738.6U
Authority: CN
Inventors: 李玉春; 黄宇鹏; 徐向东; 李军
Original assignee: Angang Lianzhong Guangzhou Stainless Steel Co ltd
Current assignee: Angang Lianzhong Guangzhou Stainless Steel Co ltd
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2022-07-05
Anticipated expiration: 2032-02-21

Abstract

The utility model relates to the technical field of melting furnaces, in particular to a continuous feeding system of a melting furnace. Comprises a weighing bin system, a apron conveyor and a rotary vibrating feeder; the weighing bin system comprises a weighing bin, a weighing sensor and a vibration feeding groove, the weighing bin is arranged above one end of the apron conveyor, and the rotary vibration feeding machine is arranged below the other end of the apron conveyor; the rotary vibrating feeder is arranged above the melting furnace; the material drops into the feed bin of weighing, after weighing the weight of various materials in the storehouse, carry the material to the apron conveyer through the vibration feed trough on, the apron conveyer carries required material to rotation type vibrating feeder, and rotation type vibrating feeder rotates to melting furnace fire door position, and with the material vibration add in the melting furnace. The feeding system can comprehensively solve the problems of low efficiency, discontinuity and production safety in the traditional feeding system, and has the advantages of wide material applicability, high feeding efficiency, continuous feeding and the like.

Description

Continuous feeding system of melting furnace

Technical Field

The utility model relates to the technical field of melting furnaces, in particular to a continuous feeding system of a melting furnace.

Background

At present, most of furnace charge melting furnaces adopt a mode of loading materials by using a crane bucket, materials are firstly put into the material bucket by using a loader or a forklift, the material bucket filled with the materials is hung to a feeding vehicle on an operation platform by using the crane, and the materials are added into the furnace by the feeding vehicle after being tipped into the feeding vehicle. The whole charging process is long in time, small in tonnage and complex in process, intermittent charging is adopted, and along with the increase of the capacity and power of the furnace for melting furnace burden, the traditional charging method cannot meet the smelting requirement of a high-power furnace body, so that the condition of material waiting is often caused, and the production of a large-scale furnace for melting furnace burden is severely restricted.

Secondly, more operators need to be equipped in the traditional feeding mode, the operators are exposed in front of the furnace for a long time, and the personal safety of the operators is directly harmed by the dangerous factors such as splashing, gas explosion and the like in the feeding process.

In the aspect of acquisition and recording of weighing data, the traditional feeding mode mostly adopts the modes of track weighing and manual recording, the informatization degree is low, and the defects exist in the aspects of comprehensive acquisition and recording of data.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a continuous feeding system of a melting furnace. The feeding system can comprehensively solve the problems of low efficiency, discontinuity and production safety in the traditional feeding system, and has the advantages of wide material applicability, high feeding efficiency, continuous feeding and the like.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a continuous feeding system of a melting furnace comprises a weighing bin system, a apron conveyor and a rotary vibrating feeder; the weighing bin system comprises a weighing bin, a weighing sensor and a vibration feeding groove, the weighing bin is arranged above one end of the apron conveyor, and the rotary vibration feeding machine is arranged below the other end of the apron conveyor; the rotary vibrating feeder is arranged above the melting furnace; the material drops into the feed bin of weighing, after weighing the weight of various materials in the feed bin, carries the material to the apron conveyer through the vibration feed trough on, the apron conveyer carries required material to rotation type vibrating feeder, and rotation type vibrating feeder is rotatory to melting furnace fire door position, adds the material vibration in the melting furnace.

The device also comprises a dust hood, and the dust hood is covered above the rotary type vibrating feeder and the melting furnace.

The weighing bin system further comprises a supporting frame and a walking trolley, the weighing bin is fixedly connected to the supporting frame, and the supporting frame and the vibration feeding groove are both installed on the walking trolley.

The weighing bin system further comprises a portal type steel grabbing machine and an underground storage bin, the underground storage bin is arranged below the apron conveyor, and the portal type steel grabbing machine is arranged at the underground storage bin and located above the apron conveyor.

The weighing bin system further comprises a PLC (programmable logic controller) man-machine interface touch screen, a PLC programmable controller and a batching center computer, wherein the PLC programmable controller is connected with the weighing sensor through an AI (Artificial intelligence) module, the PLC man-machine interface touch screen is communicated with the PLC programmable controller through an Ethernet, and the PLC programmable controller is communicated with the batching center computer through the Ethernet.

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

1) the utility model can comprehensively solve the problems of low efficiency, discontinuity and production safety in the traditional feeding system, and has the advantages of wide material applicability, high feeding efficiency, continuous feeding and the like. Can meet the conveying requirements of powdery materials with the size of 1mm and materials with the size of 1m square, does not leak materials and has wider material application range. The feeding efficiency of the utility model can reach 100-150 t/h, and the smelting requirement of the maximum furnace burden melting at present can be met. The PLC is in communication connection with the computer of the batching center through the Ethernet, so that remote control is realized, the labor intensity of operators is greatly reduced, and the personal safety of the operators is guaranteed.

2) The rotary type vibrating feeder feeds materials into the melting furnaces, and one rotary type vibrating feeder can feed materials into two melting furnaces, so that the smelting requirements of double stations are met.

Drawings

FIG. 1 is a front view of the present invention in a schematic configuration;

FIG. 2 is a schematic top view of the structure of the present invention;

FIG. 3 is a schematic front view of the weighing hopper system of the present invention;

fig. 4 is a schematic structural view of the rotary vibration feeder of the utility model.

In the figure: 1-melting furnace 2-apron conveyor 3-rotary vibrating feeder 4-dust cage 51-weighing bin 52-vibrating feeding trough 53-gantry steel grabbing machine 54-underground storage bin 55-supporting frame 56-walking trolley 57-loader

Detailed Description

The following further describes embodiments of the present invention with reference to the accompanying drawings:

example (b):

as shown in fig. 1-4, a continuous feeding system of a melting furnace comprises a weighing bin system, a apron conveyor 2, a rotary vibrating feeder 3 and a dust hood 4.

The weighing bin system comprises a weighing bin 51, a weighing sensor, a vibration feeding trough 52, a portal type steel grabbing machine 53, an underground storage bin 54, a supporting frame 55, a walking trolley 56 and a loader 57. The weighing bin 51 is fixedly connected to a support frame 55, and the support frame 55 and the vibratory feeding trough 52 are both mounted on a walking trolley 56.

The underground storage 54 bin is arranged below the apron conveyor 2, and the portal type steel grabbing machine 53 is arranged at the underground storage 54 bin and above the apron conveyor 2.

The weighing bin system further comprises a PLC (programmable logic controller) man-machine interface touch screen, a PLC programmable controller and a batching center computer, wherein the PLC programmable controller is connected with the weighing sensor through an AI (Artificial intelligence) module, the PLC man-machine interface touch screen is communicated with the PLC programmable controller through an Ethernet, and the PLC programmable controller is communicated with the batching center computer through the Ethernet. The PLC programmable controller is connected with the frequency converter, the frequency converter is connected with the apron conveyor 2, the rotary type vibrating feeder 3, the walking trolley 56 and the gantry type steel grabbing machine 53 motor, and the PLC programmable controller controls the apron conveyor 2, the rotary type vibrating feeder 3, the walking trolley 56 and the gantry type steel grabbing machine 53 motor through the frequency converter.

The apron conveyor 2, the rotary vibrating feeder 3, the vibrating feeding trough 52 and the portal steel grabbing machine 53 are all existing products. The rotary type vibrating feeder 3 comprises a vibrating feeder and a rotary platform, the vibrating feeder is arranged on the rotary platform, and the motor drives the rotary platform to rotate through the transmission mechanism so as to drive the vibrating feeder to rotate.

The utility model adopts the heavy-duty apron conveyor 2, and the apron conveyor 2 slantly and slantingly conveys materials. The weighing bin 51 is arranged above the bottom end of the apron conveyor 2, the rotary type vibrating feeder 3 is arranged below the top end of the apron conveyor 2, and the rotary type vibrating feeder 3 is arranged above the melting furnace 1. The dust hood 4 is covered above the rotary type vibrating feeder 3 and the melting furnace 1.

The working principle and the working process of the utility model are as follows:

1) according to production needs, the batching center sends a batching list to the batching center computer, and batching personnel manually select the loading batch/type weight through the PLC human-computer interface touch screen and confirm clicking.

2) According to the batching information issued by the batching center, batching personnel add the materials required for production into the weighing bin 51 in batches through equipment such as a portal type steel grabbing machine 53, a loading machine 57, a forklift and the like.

3) After the materials are weighed stably, the batching data (material codes, batch numbers, weight and the like) are uploaded to a batching center computer, and the materials in the weighing bin 51 are vibrated to the apron conveyor 2 by the vibration feeding groove 52.

4) The apron conveyor 2 conveys the required material to the rotary vibrating feeder 3 on the operation platform.

5) The rotary type vibrating feeder 3 rotates to the position of the furnace mouth of the melting furnace 1, and the material conveyed by the apron conveyor 2 is vibrated and added into the melting furnace 1 through the vibration of the feeding trough of the rotary type vibrating feeder 3.

The utility model can comprehensively solve the problems of low efficiency, discontinuity and production safety in the traditional feeding system, and has the advantages of wide material applicability, high feeding efficiency, continuous feeding and the like. Can meet the conveying requirements of powdery materials with the size of 1mm and materials with the size of 1m square, does not leak materials and has wider material application range. The feeding efficiency of the utility model can reach 100-150 t/h, and the smelting requirement of the maximum furnace burden melting at present can be met. The PLC is in communication connection with the computer of the batching center through the Ethernet, so that remote control is realized, the labor intensity of operators is greatly reduced, and the personal safety of the operators is guaranteed. One rotary vibrating feeder 3 can feed materials to the two melting furnaces 1, and the smelting requirement of double stations is met.

The above embodiments are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, but the scope of the present invention is not limited to the above embodiments. The methods used in the above examples are conventional methods unless otherwise specified.

Claims

1. A continuous feeding system of a melting furnace is characterized in that: comprises a weighing bin system, a apron conveyor and a rotary vibrating feeder; the weighing bin system comprises a weighing bin, a weighing sensor and a vibration feeding groove, the weighing bin is arranged above one end of the apron conveyor, and the rotary vibration feeding machine is arranged below the other end of the apron conveyor; the rotary vibrating feeder is arranged above the melting furnace; the material drops into the feed bin of weighing, after weighing the weight of various materials in the feed bin, carries the material to the apron conveyer through the vibration feed trough on, the apron conveyer carries required material to rotation type vibrating feeder, and rotation type vibrating feeder is rotatory to melting furnace fire door position, adds the material vibration in the melting furnace.

2. A continuous charging system for a melting furnace according to claim 1, characterized in that: the device also comprises a dust hood, and the dust hood is covered above the rotary type vibrating feeder and the melting furnace.

3. A continuous charging system for a melting furnace according to claim 1, characterized in that: the weighing bin system further comprises a supporting frame and a walking trolley, the weighing bin is fixedly connected to the supporting frame, and the supporting frame and the vibration feeding groove are both installed on the walking trolley.

4. A continuous charging system for a melting furnace according to claim 1, characterized in that: the weighing bin system further comprises a portal type steel grabbing machine and an underground storage bin, the underground storage bin is arranged below the apron conveyor, and the portal type steel grabbing machine is arranged at the underground storage bin and located above the apron conveyor.

5. A continuous charging system for a melting furnace according to claim 1, characterized in that: the weighing bin system further comprises a PLC (programmable logic controller) man-machine interface touch screen, a PLC programmable controller and a batching center computer, wherein the PLC programmable controller is connected with the weighing sensor through an AI (Artificial intelligence) module, the PLC man-machine interface touch screen is communicated with the PLC programmable controller through an Ethernet, and the PLC programmable controller is communicated with the batching center computer through the Ethernet.