CN211767772U

CN211767772U - Blast furnace material bin

Info

Publication number: CN211767772U
Application number: CN202020380081.3U
Authority: CN
Inventors: 叶祥华; 郭自力; 杨婷; 薛峰; 邓东; 陈波
Original assignee: Pangang Group Xichang Steel and Vanadium Co Ltd
Current assignee: Pangang Group Xichang Steel and Vanadium Co Ltd
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-10-27
Anticipated expiration: 2030-03-23

Abstract

The utility model discloses a blast furnace feed bin, be in including feed bin, setting tripper and two sets of correspondence respectively of feed bin downside the branch material conveying component of two discharge gates of tripper, it is two sets of divide the discharge gate of first group branch material conveying component among the material conveying component to be provided with unloader, unloader be provided with two discharge gates and can optionally lead to arbitrary discharge gate wherein with the feed inlet feeding, two discharge gates of unloader correspond respectively and are provided with row material conveying component, the feed bin with be provided with the transition chute between the tripper, in order to incite somebody to action the material of feed bin whereabouts all leading-in to in the tripper with in the corresponding guide passageway of first group branch material conveying component. The material is further conveyed out through the discharge conveying assembly additionally arranged at the corresponding discharging device, so that the conveying assembly is prevented from being erected between the distributor and the storage bin, and the material is more convenient to pour.

Description

Blast furnace material bin

Technical Field

The utility model relates to a blast furnace technical field, more specifically say, relate to a blast furnace feed bin.

Background

The ore coke tank is a production batching system of blast furnaces, each blast furnace is generally provided with five coke and fourteen ore bins, and raw materials loaded in each ore bin are different in taste and types according to the production requirements of the blast furnace, such as sintered ore, lump ore, pellet ore, silica and the like. In the normal production process of the blast furnace, sintered ores, pellets and the like are mostly smelted, but when the furnace condition changes, the types of the ores need to be changed immediately to improve the furnace condition, so that the left raw materials in the storage bin need to be emptied and other types of raw materials are filled. About the average every feed bin of ore deposit burnt groove has 800 tons of raw materials, do not consider the problem of falling the material when design construction, all need to demolish the feed bin batcher when the present empty storehouse falls the material at every turn, and establish interim belt, chute at every feed bin feed opening manual work, directly discharge the raw materials of feed bin to open ground or platform after, reuse excavator, loader carry out the loading and transport again, clean by the cleanup crew again after the transport finishes, in the in-service use, the frequency of falling the material is very frequent.

In summary, the raw material pouring of one silo at a time requires about 16 hours (including preparation, pouring and cleaning time) for 15 persons, which takes a very long time. The material pouring relates to the erection of a chute and a sealing-tape machine, a digging machine, a loading machine, an automobile, a maintainer, a cleaning person and the like, and the investment of manpower and material resources is huge. The dust generated in the process of material pouring is very large, and the ecological environment is seriously influenced.

In summary, how to effectively solve the problem of inconvenience in material pouring of the conventional blast furnace material bin is a problem which needs to be solved urgently by a person skilled in the art at present.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a blast furnace feed bin, this blast furnace feed bin can solve present blast furnace feed bin effectively and fall the inconvenient problem of material.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a blast furnace material storehouse, includes the feed bin, sets up tripper and two sets of branch material conveying component that correspond respectively of feed bin downside the two discharge gates of tripper, it is two sets of the discharge gate of first group branch material conveying component among the branch material conveying component is provided with unloader, unloader be provided with two discharge gates and can optionally lead to wherein arbitrary discharge gate with the feed inlet feeding, unloader's two discharge gates correspond respectively and are provided with row material conveying component, the feed bin with be provided with the transition chute between the tripper, with the material of feed bin whereabouts is whole leading-in to in the tripper with in the guide passageway that first group divides the material conveying component corresponding.

In this blast furnace feed bin, when using, when needs are expected, detach the shale shaker, then place the transition chute between tripper and feed bin, the discharge gate with unloader that corresponds switches, then open the feed bin, the material of feed bin whereabouts passes through transition chute, tripper, with the leading-in to first group of branch material conveying component of material, then through unloader's the discharge gate that corresponds, with the leading-in row material conveying component to the material that corresponds of material to arrange the material conveying component discharge from the row that corresponds. In the blast furnace feed bin, set up the transition chute between feed bin and tripper, then with the help of a set of branch material conveying component that the tripper transferred to add a discharge gate and correspond the row material conveying component that sets up at the unloader that corresponds, carry away the material with the further row of arranging material conveying component through addding, avoided setting up conveying component between tripper and feed bin, make the material of falling more convenient, be favorable to saving the cost simultaneously. Therefore, the blast furnace material bin can effectively solve the problem that the conventional blast furnace material bin is inconvenient to pour materials.

Preferably, two sets of the discharge of arranging material conveying component of first group in the row material conveying component is provided with the storage silo, and the discharge of arranging material conveying component of second group is higher than ground setting so that the afterbody of transport vechicle can be exercised to the discharge downside.

Preferably, unloader is the unloading chute, first group row material conveying component's feed end with the discharge gate of unloading chute is relative, the side of unloading chute is offered and is used for falling the material opening of the ejection of compact of expecting and is provided with open closed door, it is provided with the material spout to fall the open side of expecting to be provided with the material spout of falling to be used for leading the material to the feed inlet of second group row material conveying component.

Preferably, both sets of the discharge conveyor assemblies are conveyor belt transport assemblies.

Preferably, the device also comprises an inclination adjusting device for adjusting the inclination degree of the conveying surface of the second group of discharge conveying assemblies.

Preferably, a slide is arranged between the bin and the distributor, and the transition chute and the vibrating screen are both slidably mounted on the slide, so that the transition chute and the vibrating screen can respectively slide to the slide and the distributor for guiding materials.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of a blast furnace storage bin dumping provided by an embodiment of the present invention;

fig. 2 is a schematic diagram of the material distribution of the blast furnace storage bin provided by the embodiment of the utility model.

The drawings are numbered as follows:

the device comprises a storage bin 1, a distributor 2, a first group of distributing and conveying components 3, a second group of distributing and conveying components 4, a transition chute 5, a blanking chute 6, a first group of discharging and conveying components 7, a second group of discharging and conveying components 8, a storage bin 9 and a vibrating screen 10.

Detailed Description

The embodiment of the utility model discloses blast furnace feed bin to solve present blast furnace feed bin effectively and fall the inconvenient problem of material.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, fig. 1 is a schematic view illustrating a material pouring of a blast furnace storage bin according to an embodiment of the present invention; fig. 2 is a schematic diagram of the material distribution of the blast furnace storage bin provided by the embodiment of the utility model.

In one embodiment, the present embodiment provides a blast furnace silo, which mainly comprises a silo 1, a distributor 2 and two sets of distributing and conveying assemblies.

Wherein 1 mainly used in feed bin stores the ore, and main ore type has: sintered ore, lump ore, pellet ore, silica and the like. In actual use, the kind of ore placed is changed, and then the ore currently stored in the silo 1 needs to be led out and then led into new ore, namely, dumping is carried out. The storage bin 1 is generally cylindrical, a discharge hole is formed in the lower end of the storage bin, internal ore materials flow out of the discharge hole in the lower end under the action of gravity, and an opening and closing door is arranged at the discharge hole to prevent the ore materials from flowing out when the storage bin is closed.

Wherein tripper 2 sets up in 1 downside of feed bin, and tripper 2 is provided with two discharging channel to the correspondence is provided with two discharge gates, in the in-service use in-process, is provided with shale shaker 10 between tripper 2 and the feed bin 1, the effect of shale shaker 10 lies in separating the material of 1 whereabouts of feed bin into two according to the particle size, in the discharging channel of leading-in tripper 2 difference respectively, in order to flow from the discharge gate that corresponds. In the embodiment, when the material needs to be poured, the material in the bin 1 is led out to be emptied for storing other materials. At the moment, a transition chute 5 is arranged between the stock bin 1 and the distributor 2, and the transition chute 5 leads out the materials from a discharge hole on one side of the distributor 2.

The two groups of distributing and conveying assemblies are respectively arranged corresponding to the two discharge ports of the distributor 2 so as to respectively guide out materials discharged from the corresponding discharge ports, specifically, one of the two groups of distributing and conveying assemblies is used for conveying separated fine materials to the fine ore bin, and the other is used for conveying separated coarse materials to the blast furnace. The material distributing and conveying assembly mainly comprises a conveying belt and can comprise a plurality of conveying belts which are conveyed in sequence. For better explaining the technical scheme of the present application, the two groups of material distribution and conveyance assemblies may be a first group of material distribution and conveyance assemblies 3 and a second group of material distribution and conveyance assemblies 4, respectively, wherein the first group of material distribution and conveyance assemblies 3 perform material pouring and conveying when pouring the material in the storage bin 1.

Specifically, the discharge port of the first group of distributing and conveying assemblies 3 is provided with a blanking device so as to convey the materials to the corresponding subsequent conveying assemblies through the blanking device. Wherein unloader be provided with two discharge gates and can optionally lead the feeding of feed inlet to wherein arbitrary discharge gate, one of them discharge gate is used for deriving the material of separation, and another discharge gate is used for deriving the material of falling the material.

Two discharge ports of the blanking device are respectively and correspondingly provided with a discharge conveying assembly so as to respectively discharge materials corresponding to the discharge ports. In the material pouring process, a transition chute 5 is arranged between the stock bin 1 and the distributor 2, the transition chute 5 is used for guiding all the falling materials of the stock bin 1 into the material guide channel of the distributor 2 corresponding to the first group of distribution conveying assemblies 3, so that the falling materials are discharged from the first group of distribution conveying assemblies 3, after the falling materials are discharged from the material discharge port to enter the blanking device, the material discharge port used as the falling materials is selected to discharge the materials to the corresponding discharge conveying assemblies, then the materials are conveyed by the conveying mechanism, and when the materials are normally distributed, the blanking device selects another material discharge port to discharge the materials, and then the materials are conveyed to the powder stock bin 1 by the corresponding distribution conveying assemblies.

In this blast furnace feed bin, when using, when needs are expected, detach shale shaker 10, then place transition chute 5 between tripper 2 and feed bin 1, the corresponding discharge gate with unloader switches, then open feed bin 1, the material of feed bin 1 whereabouts passes through transition chute 5, tripper 2, with the material leading-in to first group divide the material to carry on the subassembly 3, then through unloader's corresponding discharge gate, with the material leading-in to the row that corresponds in carrying the subassembly, carry the subassembly discharge from the row that corresponds. In the blast furnace feed bin, set up transition chute 5 between feed bin 1 and tripper 2, then with the help of a set of branch material conveying component that tripper 2 transferred to add a discharge gate and correspond the row material conveying component that sets up at the unloader that corresponds, further carry away the material through the row material conveying component that adds, avoided setting up conveying component between tripper 2 and feed bin 1, make the dumping more convenient, be favorable to saving the cost simultaneously. Therefore, the blast furnace material bin can effectively solve the problem that the conventional blast furnace material bin is inconvenient to pour materials.

As described above, two sets of discharge conveyor assemblies, one set for discharging the separated material and the other set for discharging the dumped material. For convenience of description, of the two groups of discharge conveying assemblies, one group is a first group of discharge conveying assemblies 7 for discharging divided materials, and the other group is a second group of discharge conveying assemblies 8 for discharging inverted materials. Specifically, the discharge hole of the first group of discharging conveying components 7 is provided with a storage bin 9, the discharge hole of the second group of discharging conveying components 8 is higher than the ground, and the height of the discharge hole is enough to enable the tail part of the transport vehicle to run to the lower side of the discharge hole. In practical application, the feed end of the second group of discharge conveying assemblies 8 is lower than the discharge end to move the material upward to a certain extent, so that the material is lifted to a certain height, and the material directly falls into the carriage of the transport vehicle when being discharged from the discharge port.

Further, considering that the heights may be different for different transport vehicles, and in actual operation, if the discharge port is too high relative to the transport vehicle, it is easy for dust and material to splash, based on this, it is preferable to further include an inclination adjusting device for adjusting the inclination degree of the conveying surface of the second group of discharging conveying components 8, so as to adjust the height of the discharge port of the second group of discharging conveying components 8, wherein the inclination adjusting device may be a rotation driving mechanism for driving the discharge end of the second group of discharging conveying components 8 to rotate around the feed end, such as a motor, such as a telescopic driving component, wherein the telescopic component may be a structure in which one end is rotatably connected with the middle part of the second group of discharging conveying components 8, and the other end is rotatably connected with the base, so as to push the second group of discharging conveying components 8 to rotate relative to the base when telescopic.

The blanking device can be provided with two discharging channels and correspondingly provided with the closing doors, so that one discharging channel can be selected for discharging by controlling the opening and closing of the respective closing door. In actual use, it is concrete, can make the unloader be unloading chute 6, and wherein the feed end of first group row material conveying component 7 is relative with unloading chute 6's discharge gate to when first group row material conveying component 7 does not operate, the material can't be carried away from first group row material conveying component 7, and the material can pile up in unloading chute 6 this moment, and only when first group row material conveying component 7 operates, the material then can continuously be transported away, and then accomplishes the ejection of compact. The side of the blanking chute 6 is provided with a material pouring opening for pouring and discharging materials and is provided with an openable and closable closing door, so that when the closing door is closed, the materials cannot be discharged from the material pouring opening, and only when the material pouring opening is opened, the materials can be discharged from the material pouring opening, and the opening side of the material pouring opening is provided with a material pouring chute for guiding the materials to the feeding hole of the second group of material discharging and conveying assemblies 8. When pouring, open-ended closing door will pour and open to make first group arrange material conveying component 7 and stop transporting, the material can't be discharged from the lower extreme discharge gate of unloading chute 6 this moment, and then can discharge from the opening of pouring, it should be said that, in practical application, the lower extreme discharge gate can have a small amount of long-pending material, and to the volume of pouring, generally neglects. In practice, to facilitate discharge, it is preferred that both discharge conveyor assemblies be belt conveyor assemblies.

As described above, in practical applications, when the whole blast furnace material bin is used for material distribution, the vibrating screen 10 needs to be disposed between the material bin 1 and the material distributor 2, and the vibrating screen 10 screens the falling material of the material bin 1 and then discharges the material from the two discharge ports of the material distributor 2. In practical application, in order to facilitate replacement of the transition chute 5 and the vibrating screen 10, it is preferable that a chute is provided between the bin 1 and the distributor 2, wherein the transition chute 5 and the vibrating screen 10 are both slidably mounted on the chute, so that both the transition chute 5 and the vibrating screen 10 can slide between the chute and the distributor 2 for guiding the materials, when the material is poured, the transition chute 5 is moved between the bin 1 and the distributor 2 to guide the bin 1 into one of the guiding channels of the distributor 2, and when the material is distributed, the transition chute 5 is moved out, and the vibrating screen 10 is moved between the bin 1 and the distributor 2 to screen the materials. It should be noted that, specifically, the screening openings corresponding to the first group of material distribution and conveyance assemblies 3 are fine materials, and the materials received by the second group of material distribution and conveyance assemblies 4 are coarse materials.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a blast furnace material storehouse, includes the feed bin, sets up the tripper of feed bin downside and two sets ofly correspond respectively the branch material conveying component of two discharge gates of tripper, and is two sets of the discharge gate of the first group branch material conveying component among the branch material conveying component is provided with unloader, its characterized in that, unloader be provided with two discharge gates and can optionally lead to the feeding of feed inlet wherein arbitrary discharge gate, two discharge gates of unloader correspond respectively and are provided with row material conveying component, the feed bin with be provided with the transition chute between the tripper, with the material of feed bin whereabouts is whole leading-in to in the tripper with in the guide passageway that first group divides the material conveying component corresponding.

2. The blast furnace bunker of claim 1, wherein the discharge outlet of the first discharge conveyor assembly of the two discharge conveyor assemblies is provided with a storage silo, and the discharge outlet of the second discharge conveyor assembly is arranged above the ground so that the tail of the transport vehicle can travel to the lower side of the discharge outlet.

3. The blast furnace silo according to claim 2, wherein the blanking device is a blanking chute, the feeding end of the first group of discharging conveying assemblies is opposite to the discharging opening of the blanking chute, the side edge of the blanking chute is provided with a discharging opening for discharging materials and is provided with an openable closing door, and the opening side of the discharging opening is provided with a discharging chute for guiding the materials to the feeding opening of the second group of discharging conveying assemblies.

4. The blast furnace silo of claim 3, wherein both sets of discharge conveyor assemblies are conveyor belt conveyor assemblies.

5. The blast furnace silo of claim 4, further comprising an inclination adjustment device for adjusting the inclination of the conveying surface of the second group of discharge conveyor assemblies.

6. The blast furnace silo according to any one of claims 1 to 5, wherein a chute is provided between the silo and the distributor, and the transition chute and the vibrating screen are slidably mounted on the chute, so that the transition chute and the vibrating screen can respectively slide between the chute and the distributor for guiding the material.