CN218723155U

CN218723155U - Feeding device

Info

Publication number: CN218723155U
Application number: CN202222654409.8U
Authority: CN
Inventors: 刘忠; 李军
Original assignee: Wuhan Iron and Steel Co Ltd
Current assignee: Wuhan Iron and Steel Co Ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-03-24
Anticipated expiration: 2032-10-08

Abstract

The utility model discloses a feeding device, which belongs to the technical field of sintering raw material screening and feeding, and comprises a storage mechanism, a conveying device, a blanking mechanism, a sensor and a controller, wherein the storage mechanism is provided with a storage cavity for storing bedding materials and an upward feeding hole communicated with the storage cavity; the conveying device comprises an input end and an output end, and the output end is positioned above the feeding hole of the material storage mechanism; the blanking mechanism is provided with an accommodating cavity for storing bedding materials and an opening communicated with the accommodating cavity, and the blanking mechanism is provided with a gate capable of opening and closing the opening; the gate of the blanking mechanism is arranged above the input end; the controller is electrically connected with the sensor and the gate. This loading attachment can carry out the material loading according to the automatic material loading of the bed charge volume in the storage mechanism, ensures that the bed charge material stream is stable, and reduces the no-load energy saving of equipment, stops artificial intervention, has improved the automation level of bed charge material loading, realizes sintering bed charge's automatic feeding system's intelligent operation, has improved sintering system's stability.

Description

Feeding device

Technical Field

The utility model belongs to the technical field of the sintering raw materials screening pay-off, concretely relates to loading attachment.

Background

The sintering raw materials can form sintering materials after sintering, and the sintering materials are important raw materials for blast furnace iron making. The sintering raw materials need to be laid on a sintering trolley after being subjected to particle size grading screening, and then are subjected to air draft sintering. The sintering raw materials comprise a bedding material, the bedding material is a material with the granularity of 10-16 mm screened from sintering ores and is paved on the bottommost layer of the sintering trolley, the bedding material has good air permeability due to large particle size, the material layer on the sintering trolley is guaranteed to be completely burnt, and the dust content of sintering smoke can be reduced.

Bedding material feeding system includes storage silo and funnel, and the storage silo is connected on the skeleton of sintering pallet, and the storage silo is equipped with the opening, and the funnel is located under the opening of storage silo, and the storage silo still is equipped with the gate of adjustable aperture to adjust the bin output of storage silo discharge funnel, but the funnel swing sets up, in order to lay the bedding material on the sintering pallet.

The method adopted by the prior art for feeding the bedding materials is that the material level of the bedding materials in a storage bin is observed manually, and when the material level is lower than a set material distribution value, the materials are fed into the storage bin; the material level reaches the upper limit, stops to the material loading in the storage silo, and this process manual work realizes, and degree of automation is low.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, the utility model provides a loading attachment can carry out the material loading according to the automatic material loading of the bed charge volume in the storage mechanism, ensures that the bed charge material stream is stable, and reduces the unloaded energy saving of equipment, stops artificial intervention, has improved the automation level of bed charge material loading, realizes the intelligent operation of the automatic feeding system of sintering bed charge, has improved sintering system's stability.

The technical scheme of the utility model is that:

the utility model provides a feeding device, include:

the storage mechanism is provided with a storage cavity for storing the bedding materials and an upward feeding hole communicated with the storage cavity;

the sensor is used for sensing the bottom material amount in the storage cavity and is positioned in the storage cavity;

the conveying device comprises an input end and an output end, and the output end of the conveying device is positioned above the feeding hole of the material storage mechanism;

the discharging mechanism is provided with an accommodating cavity for storing bedding materials and an opening communicated with the accommodating cavity, the discharging mechanism is provided with a gate capable of opening and closing the opening, and the opening is positioned above the input end of the conveying device;

and the controller is electrically connected with the sensor and the gate.

In some embodiments, the transport device is provided with a scale for weighing the weight of the carried bedding material, the scale being electrically connected to the controller.

In some embodiments, the blanking mechanism comprises a body and a chute, the body is provided with the accommodating cavity and a plurality of openings communicated with the accommodating cavity, the number of the chutes corresponds to that of the openings, the feeding ends of the chutes are communicated with the openings in a one-to-one correspondence manner, and the discharging ends of the chutes are sequentially arranged above the input end of the conveying device at intervals.

In some embodiments, the feeding device further comprises a dragging and transporting machine, the discharge ends of the elephant trunk are sequentially arranged above the input end of the dragging and transporting machine, the output end of the dragging and transporting machine is located above the input end of the transporting device, and the size of the feed end of the elephant trunk is larger than that of the discharge end.

In some embodiments, the chute is arranged obliquely, and the height of the feeding end of the chute is higher than that of the discharging end;

in some embodiments, the sensor is a pressure sensor located at the bottom of the storage chamber, or alternatively, the sensor is a level sensor located at a sidewall of the storage chamber.

In some embodiments, the transport device is a belt conveyor.

In some embodiments, the feeding device comprises a feeder for distributing materials to the sintering machine trolley, the storage mechanism is provided with a downward discharge hole communicated with the storage cavity, a feed hole of the feeder is communicated with a discharge hole of the storage mechanism, and the feed hole of the feeder can swing along the width direction of the sintering machine trolley.

In some embodiments, the feeder is a feed hopper.

In some embodiments, the feeding device further comprises a screen for grading the particle size of the sintered ore, the screen is provided with an inlet and a bedding material outlet, the blanking mechanism is provided with an inlet communicated with the accommodating cavity, and the bedding material outlet is communicated with the inlet of the blanking mechanism.

The beneficial effects of the utility model include at least:

the utility model provides a feeding device which comprises a storage mechanism, a transportation device, a blanking mechanism, a sensor and a controller, wherein the storage mechanism is provided with a storage cavity for storing bedding materials and an upward feeding hole communicated with the storage cavity; the conveying device comprises an input end and an output end, and the output end of the conveying device is positioned above the feed inlet of the material storage mechanism; the blanking mechanism is provided with an accommodating cavity for storing bedding materials and an opening communicated with the accommodating cavity, and the blanking mechanism is provided with a gate capable of opening and closing the opening; the opening of the blanking mechanism is arranged above the input end of the conveying device; the controller is electrically connected with the sensor and the gate. The method comprises the following steps that a bedding material in a blanking mechanism is conveyed into a storage mechanism through a conveying device, the bedding material in the storage mechanism is used for distributing materials to a sintering machine, and when a sensor in the storage mechanism senses that the quantity of the bedding material in the storage mechanism is lower than a lower target value, a gate of the blanking mechanism is opened, so that the bedding material in the blanking mechanism is conveyed into the storage mechanism through the conveying device, and the material level of the bedding material in the storage mechanism is raised; when a sensor in the storage mechanism senses that the quantity of the bedding materials in the storage mechanism is higher than an upper target value, a gate of the blanking mechanism is selected to be closed, so that the blanking mechanism stops sending the bedding materials to the storage mechanism through the conveying device until the quantity of the bedding materials in the storage mechanism is reduced to a lower target value, and the bedding materials in the storage mechanism are automatically kept in the range of the upper target value and the lower target value.

Drawings

Fig. 1 shows a schematic structural diagram of a feeding mechanism of the embodiment.

Figure 2 shows a schematic of the construction of the sifter.

Description of the reference numerals:

10-a material storage mechanism; 20-a transport device; 30-a blanking mechanism; 40-a screening device, 41-a bottom material laying outlet, 42-a finished product outlet and 43-a return mine outlet; 50-finished product conveyer; 60-a return mine conveyor; 70-dragging material conveyer.

Detailed Description

In order to make the present application more clearly understood by those skilled in the art to which the present application pertains, the following detailed description of the present application is made with reference to the accompanying drawings.

The embodiment of the application provides a loading attachment for to sintering machine cloth bedding material, this loading attachment can carry out the material loading according to the automatic material volume of bedding material in the storage mechanism, ensures that the bedding material stream is stable, and reduces the unloaded energy saving of equipment, stops manual intervention, has improved the automation level of bedding material loading, realizes the intelligent operation of the automatic feeding system of sintering bedding material, has improved sintering system's stability.

Referring to fig. 1 and 2, a feeding device provided in an embodiment of the present application includes a material storage mechanism 10, a transportation device 20, a material discharging mechanism 30, a sensor and a controller, where the material storage mechanism 10 is provided with a storage cavity for storing bedding materials and an upward feeding port communicated with the storage cavity, the sensor is used for sensing the amount of the bedding materials in the storage cavity, and the sensor is located in the storage cavity; the conveying device 20 comprises an input end and an output end, and the output end of the conveying device is positioned above the feeding hole of the material storage mechanism 30; the blanking mechanism 30 is provided with an accommodating cavity for storing bedding materials and an opening communicated with the accommodating cavity, and the blanking mechanism 30 is provided with a gate capable of opening and closing the opening; the opening of the blanking mechanism 30 is arranged above the input end of the conveying device; the controller is electrically connected with the sensor and the gate.

The method comprises the following steps that (1) a bedding material in a blanking mechanism 30 is conveyed into a storage cavity of a storage mechanism 10 through a conveying device 20, the bedding material in the storage mechanism 10 is used for distributing materials to a sintering machine, and when a storage cavity sensor in the storage mechanism 10 senses that the quantity of the bedding material in the storage mechanism 10 is lower than a lower target value, a gate of the blanking mechanism 30 is opened, so that the bedding material in the blanking mechanism 30 is conveyed into the storage mechanism 10 through the conveying device 20, and the bedding material level in the storage mechanism 10 is enabled to rise; when the sensor in the storing mechanism 10 senses that the quantity of the bedding materials in the storing mechanism 10 is higher than the upper target value, the gate of the blanking mechanism 30 is selectively closed, so that the blanking mechanism 30 stops sending the bedding materials to the storing mechanism 10 through the conveying device 20 until the quantity of the bedding materials in the storing mechanism 10 is reduced to the lower target value, and the bedding materials in the storing mechanism 10 are automatically ensured to be kept in the range of the upper target value and the lower target value.

The lower target value is smaller than the upper target value, the upper target value and the lower target value may be set according to actual needs, the upper target value and the lower target value may be a material level value in the material storage mechanism 10, or may be a weight value of the bed material in the material storage mechanism 10, for example, the upper target value is 30t, and the lower target value is 110, which is not limited specifically.

Specifically, in some embodiments, the sensor is a pressure sensor located at the bottom of the storage chamber, and in other embodiments, the sensor is a level sensor located on the inner wall of the magazine 10, i.e., the inner wall of the storage chamber. The pressure sensor and the level sensor can be selected according to needs, belong to the prior art, and specific contents can refer to relevant disclosures in the prior art and are not described herein.

The gate may be an electric gate, the electric gate is electrically connected to a controller, a computer program is stored in the controller, and the controller is configured to obtain the amount of the bottom paving material in the material storing mechanism 10, and determine to open the electric gate of the blanking mechanism 30 or close the electric gate of the blanking mechanism 30 according to comparison between the amount of the bottom paving material and the upper target value and the lower target value. The electric gate is prior art, and can adopt hydraulic pressure to control the opening of door, and more can refer to relevant disclosure in prior art, and will not be repeated herein.

In some embodiments, the discharging mechanism 30 includes a body and a chute, the body is provided with a containing cavity and a plurality of openings communicated with the containing cavity, the number of the chutes corresponds to the number of the openings, the feeding ends of the chutes are communicated with the openings in a one-to-one correspondence, the discharging ends of the chutes are sequentially arranged above the input end of the transporting device at intervals, and whether the chutes are discharged or not is controlled by opening and closing gates, so as to control the discharging amount, for example, when the bed material in the material storing mechanism 10 is too much, some gates are closed, and the closing number of the gates can be adjusted as required, so as to control the flow rate of the bed material entering the material storing mechanism 10; when the bedding materials in the material storage mechanism 10 are too little, a plurality of gates are opened, and the opening number of the gates can be adjusted as required, so that the flow of the bedding materials entering the material storage mechanism 10 is controlled. The blanking mechanism 10 can be a stock bin which is arranged in a plurality of openings communicated with the elephant trunk one by one; the opening of the body is located at the side or bottom of the body. The chutes may be provided with four, five, or other numbers, and are not limited in particular.

In some embodiments, the feeding device further comprises a material dragging conveyor 70, the discharge ends of the plurality of chutes are sequentially arranged above the input end of the material dragging conveyor 70 at intervals along the conveying direction of the material dragging conveyor, the output end of the material dragging conveyor 70 is located above the input end of the conveying device, and the size of the feed end of the chute is larger than that of the discharge end. At elephant trunk unloading in-process, the gate that this elephant trunk corresponds is opened, the size of the feed end of elephant trunk is greater than the size of discharge end, also be exactly the diameter of the feed end of elephant trunk is greater than the diameter of the discharge end of elephant trunk, consequently, the flow that the material that holds in the intracavity gets into the material in the elephant trunk falls into the flow that drags material conveyer 70, the material can be piled up in the elephant trunk, can guarantee like this that there is the stock all the time in the unloading in-process elephant trunk, avoid holding the direct opening part unloading of the interior material of intracavity and strike the elephant trunk, cause wearing and tearing to the inner wall of elephant trunk. The tow conveyor 70 may be a belt conveyor.

In some embodiments, the elephant trunk slope sets up, and the height that highly is greater than the discharge end of the feed end of elephant trunk avoids the perpendicular setting of elephant trunk to lead to being difficult to in the elephant trunk to pile up the material, and the inclination of elephant trunk can set up according to the demand.

In some embodiments, the transport device 20 is provided with a scale for weighing the weight of the bedding material carried, the scale being electrically connected to the controller. When the weigher weighs the bottom paving material on the transportation device 20 and the weight of the bottom paving material is too high, the gate of the partial blanking mechanism 30 is closed, so that the weight of the bottom paving material on the transportation device 20 is reduced, and the amount of the bottom paving material fed into the material storage mechanism 10 is reduced; when the weight of the bedding material on the weighing conveyer 20 is too low, the gate of the blanking mechanism 30 is opened as much as possible, thereby increasing the weight of the bedding material on the conveyer 20 and increasing the amount of the bedding material fed into the stock mechanism 10.

In some embodiments, the transportation device 20 and the material dragging transportation machine can be belt transportation machines, the belt transportation machines are transportation devices commonly used in material transportation, each belt transportation machine comprises a main drum, a tail drum and a transportation belt, the main drum and the tail drum are arranged at intervals, the head and the tail of the transportation belt are connected to form a closed loop, and the transportation belts are arranged around the outer peripheral surfaces of the main drum and the tail drums; for more details of the belt conveyor, reference may be made to the related disclosure of the prior art, which is not described in detail herein. There are many belt conveyors with weighing function, and the related contents can be disclosed by referring to the prior art, and are not described herein. The end of the belt conveyor that the material falls, that is, the end that the belt turns to the end turning downwards can be used as the input, and the platform that the belt at the top of the belt conveyor formed can be used as the input.

In some embodiments, the feeding device comprises a feeder for feeding material to the sintering machine pallet, the storage mechanism 10 is provided with a downward discharge port communicating with the storage cavity, the feed port of the feeder is communicated with the discharge port of the storage mechanism 10, and the feed port of the feeder is capable of swinging along the width direction of the sintering machine pallet. Specifically, the blanking device is a blanking funnel. The bottom paving materials are distributed on the sintering trolley through the discharging hopper, the discharging opening swings to ensure that the bottom paving materials are distributed on the whole top surface of the sintering trolley, the discharging hopper belongs to the prior art, more contents can be disclosed by referring to the prior art, and details are not repeated here.

In some embodiments, the feeding device further includes a screen 40 for classifying the particle size of the sintered ore, the screen 40 is provided with an inlet and a bedding material outlet 41, the discharging mechanism 30 is provided with an inlet communicated with the accommodating chamber, and the bedding material outlet 41 is communicated with the inlet of the discharging mechanism 30. The sieving device 40 is used for sieving the sintering cakes, and the sintering ores with the particle size of 10-16 mm are discharged from the bottom material paving outlet 41 to the discharging mechanism 30; the sintered ore with the diameter larger than 16mm can fall into the finished product conveyor 20 from the finished product outlet 42 of the screen 40 and is conveyed to a blast furnace for direct use; the sintered ore with the diameter less than 10mm is used as the return ore and falls into a return ore conveyer 60 from a return ore outlet 43 of the sieving device 40 to be transported for manufacturing the sintered ore. The screen 40 can adopt a double-deck screen, the double-deck screen includes an upper screen and a lower screen which are arranged along the vertical direction in sequence, the aperture of the upper screen can be 16mm, the aperture of the lower screen is 10mm, the screen 40 is the prior art, more contents can be disclosed by referring to the prior art, and details are not described herein.

The operation process of the blanking device provided by the embodiment of the application is as follows:

conveying the sintered ore cooled by the circular cooler to a sieving device 40 for sieving, and intercepting the sintered ore with the particle size of more than 16mm by an upper-layer sieve of the sieving device 40 and directly feeding the sintered ore into a finished product chute; the sintering ore with the undersize of less than 16mm is classified by a sieve with the size of 10mm, the sintering ore with the undersize of less than 10mm is recycled as return ore, the sintering ore with the undersize of 10-16 mm is intercepted and enters a containing cavity of a blanking mechanism 30 as a bottom material, when a gate of the blanking mechanism 30 is opened, the sintering ore is slid to a dragging material conveyor 70 through a chute, then is conveyed to a belt conveyor through the dragging material conveyor 70, is conveyed to a storage mechanism 10 through the belt conveyor, and the bottom material is paved on a sintering machine trolley through a blanking funnel in the storage mechanism 10.

The control method for the blanking device provided by the embodiment of the application comprises the following steps:

1. obtaining the quantity of the bottom paving materials in the material storage mechanism 10;

2. when the amount of the bedding materials is lower than the lower target value, the gate of the blanking mechanism 30 is opened, and the bedding materials in the blanking mechanism 30 are sent into the material storage mechanism 10 through the material dragging conveyor 70 and the conveying device; when the bed charge amount is higher than the upper target value, the gate of the discharging mechanism 30 is closed.

More specifically, when the amount of the bed charge of the stocker mechanism 10 is within the upper target value and the lower target value, the weight of the bed charge on the conveyor is compared with the set value, and if the weight of the bed charge on the conveyor is lower than the set value, the gate of at least one of the blanking mechanisms 30 in the closed state is opened, and if the weight of the bed charge on the conveyor is higher than the set value, the gate of at least one of the blanking mechanisms 30 in the open state is closed.

The control method is completed by a controller stored with computer running programs, the material flow of the bedding material can be ensured to be stable by utilizing the feeding device, the no-load energy conservation of equipment is reduced, the manual intervention is avoided, the automation level of the material feeding of the bedding material is improved, the intelligent operation of an automatic feeding system for sintering the bedding material is realized, and the stability of the sintering system is improved; due to the matching of the dragging material conveyor and the chute, the abrasion of the inner wall of the chute is avoided, and the service life of the chute is prolonged.

While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims

1. A loading device, comprising:

and the controller is electrically connected with the sensor and the gate.

2. A loading unit as claimed in claim 1, wherein the transport unit is provided with a scale for weighing the weight of the carried bedding material, the scale being electrically connected to the controller.

3. The feeding device according to claim 2, wherein the blanking mechanism comprises a body and a chute, the body is provided with the accommodating cavity and a plurality of openings communicated with the accommodating cavity, the number of the chutes corresponds to that of the openings, the feeding ends of the chutes are communicated with the openings in a one-to-one correspondence manner, and the discharging ends of the chutes are sequentially arranged above the input end of the conveying device at intervals.

4. The loading device according to claim 3, further comprising a dragging conveyor, wherein the discharge ends of the plurality of chutes are sequentially arranged above the input end of the dragging conveyor, the output end of the dragging conveyor is positioned above the input end of the conveying device, and the size of the feed end of the chute is larger than that of the discharge end.

5. A loading apparatus according to claim 3, wherein the chute is inclined with the feed end of the chute being higher than the discharge end.

6. A loading unit as claimed in any one of claims 1 to 5, wherein the sensor is a pressure sensor located at the bottom of the storage chamber or a level sensor located at a side wall of the storage chamber.

7. A loading arrangement according to any one of claims 1-5, characterised in that the transportation means is a belt conveyor.

8. A loading device according to any one of claims 1-5, characterized in that the loading device comprises a feeder for distributing material to a sintering machine trolley, the storage mechanism is provided with a downward discharge port communicating with the storage cavity, the feed port of the feeder is communicated with the discharge port of the storage mechanism, and the feed port of the feeder can swing along the width direction of the sintering machine trolley.

9. The loading device according to claim 8, wherein said feeder is a feeding hopper.

10. A loading apparatus as claimed in any one of claims 1 to 5, further comprising a screen for classifying the particle size of the sinter, said screen being provided with an inlet and a bedding material outlet, said unloading means being provided with an inlet communicating with said receiving chamber, said bedding material outlet communicating with said inlet of said unloading means.