CN214827400U - A feeding and distributing device for a blast furnace silo - Google Patents
A feeding and distributing device for a blast furnace silo Download PDFInfo
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- CN214827400U CN214827400U CN202120945374.6U CN202120945374U CN214827400U CN 214827400 U CN214827400 U CN 214827400U CN 202120945374 U CN202120945374 U CN 202120945374U CN 214827400 U CN214827400 U CN 214827400U
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- 239000000463 material Substances 0.000 claims abstract description 104
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 230000000903 blocking effect Effects 0.000 claims description 20
- 239000002245 particle Substances 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 4
- 238000009826 distribution Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 11
- 238000003860 storage Methods 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000003466 welding Methods 0.000 description 5
- 238000012216 screening Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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Abstract
本实用新型公开了一种高炉料仓的给料分料装置，属于高炉下料设备领域。它包括料仓，其底部开设有下料口；振动器，其布置于下料口下方；挡板，其竖置连接于下料口前侧，挡板底边与振动器承料面间留有间距；还包括分料机构，其连接于挡板前侧，分料机构将挡板底边与振动器承料面间的空间分为多个间隔区域。本实用新型能将高度过大的大块状物料通过挡板拦截，挡板配合分料机构，能有效避免高度过大、长度过长的大块物料通过下料口，也能有效避免大批物料突然滑入高炉，确保下料速度均匀稳定，物料粒径均匀，由此保证高炉炉况不受下料影响，具有结构简单、设计合理、易于制造的优点。
The utility model discloses a material feeding and distributing device for a blast furnace silo, which belongs to the field of blast furnace unloading equipment. It includes a silo with a feeding opening at the bottom; a vibrator, which is arranged below the feeding opening; a baffle, which is vertically connected to the front side of the feeding opening, and the bottom edge of the baffle and the material bearing surface of the vibrator are spaced There is a distance; it also includes a material distribution mechanism, which is connected to the front side of the baffle, and the material distribution mechanism divides the space between the bottom edge of the baffle and the material bearing surface of the vibrator into a plurality of spaced areas. The utility model can intercept the bulky materials with excessive height through the baffle, and the baffle cooperates with the material distributing mechanism, which can effectively prevent the bulky materials with excessive height and long length from passing through the feeding opening, and can also effectively avoid a large number of materials. It suddenly slides into the blast furnace to ensure uniform and stable feeding speed and uniform particle size of materials, thereby ensuring that the blast furnace condition is not affected by feeding, and has the advantages of simple structure, reasonable design and easy manufacturing.
Description
Technical Field
The utility model belongs to the technical field of blast furnace unloading equipment, more specifically say, relate to a feed divider of blast furnace feed bin.
Background
The capacity of each raw material bin of the large-scale blast furnace is large, the capacity of each single bin is generally 500-year, the storage of each single bin is generally 900-year/bin due to different bulk densities of the raw materials, a vibrating screen is arranged below a discharge port of the bin, the raw materials are discharged from the mouth of the bin and enter the blast furnace after being screened, the total amount of the raw materials fed from each bin is about 450-year in each hour, and in the feeding and screening process, due to different types of the raw materials, the raw materials are prone to being discharged irregularly too fast or too large in amount, so that a large amount of raw materials directly enter the blast furnace without being screened, the condition of the blast furnace is influenced, or the flux used by the blast furnace is randomly fed into the blast furnace, so that the blast furnace is abnormal, and the loss is large.
To solve the above problems, the industry has mainly used the following three methods: firstly, a feeding port of a storage bin is provided with a vibrating feeder and a vibrating screen, raw materials in the storage bin are slowly fed through vibration of the vibrating feeder, the vibrating screen is screened and then enters a blast furnace for smelting, the feeding machine is hung on the storage bin through four hooks, the occupied space is large, the feeding amount is large in hours, the hooks and the bottom of the feeding machine are easy to wear, once one hook is damaged, the whole storage bin cannot be used continuously, the processing time is long, and the influence is large; secondly, a gate valve and a vibrating screen are used, the gate valve is used for controlling the opening of the feeding hole to control the feeding speed, the method has a good using effect on spherical ores with uniform granularity, and has a poor using effect on other blocky ores, particularly on ores with irregular shapes and non-uniform granularity, the opening is small, the material is easy to block, and the opening is large, so that the material is easy to slip; the steel plate is directly arranged at the feed opening of the storage bin, round holes with different sizes are formed in the steel plate to form a filter screen, so that furnace materials in the storage bin can uniformly flow down onto the vibrating screen, but the mode is easy to cause material blockage, and particularly, in rainy days, under the condition that raw materials are wet, the application range is small. At present, in the industry, aiming at the raw material screening and feeding process, how to uniformly distribute the furnace charge on the vibrating screen is lack of effective method measures.
Through retrieval, the Chinese patent publication number: CN 109650098A; the publication date is as follows: 19/4/2019; discloses a feeding device of a feed bin discharge port, which comprises a conveying belt arranged below the feed bin discharge port; a vibrator is arranged on the stock bin; the outer wall of the storage bin is hinged with a swinging plate positioned above the conveying belt; a proximity switch is arranged at the control end of the vibrator, and an induction block corresponding to the proximity switch is arranged on the swinging plate; when the swinging plate naturally droops, a gap is reserved between the swinging plate and the conveying belt. The device of this application passes through the setting of swinging plate cooperation vibrator, though can solve the putty problem of hanging of unloading in-process, still can not carry out effectual screening to the raw materials as required.
Disclosure of Invention
In order to solve the above problems, the utility model adopts the following technical proposal.
A feeding and distributing device of a blast furnace bin, which comprises,
the bottom of the storage bin is provided with a feed opening;
a vibrator disposed below the feed opening;
further comprising:
and the baffle is vertically connected to the front side of the feed opening, and a space is reserved between the bottom edge of the baffle and the material bearing surface of the vibrator.
Furthermore, the vibration material distributor also comprises a material distribution mechanism which is connected to the front side of the baffle plate, and the material distribution mechanism divides the space between the bottom edge of the baffle plate and the material bearing surface of the vibrator into a plurality of spaced areas.
Further, the feed mechanism includes:
the side surface of the assembling ring is fixedly connected with the front side of the baffle plate, and the axis of the assembling ring is vertically arranged;
the material blocking rod penetrates through the assembling ring and is movably connected with the assembling ring, and the distance between the bottom surface of the material blocking rod and the material bearing surface of the vibrator is smaller than the distance between the bottom edge of the baffle and the material bearing surface of the vibrator.
Furthermore, a plurality of the assembly rings are arranged in multiple rows, and a plurality of the assembly rings are arranged in each row.
Further, the assembly ring is a nut, and the material blocking rod is T-shaped.
Advantageous effects
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses a feeding and distributing device of a blast furnace material bin, which intercepts massive materials with too large height through a baffle plate, avoids the massive materials driving too many materials to be suddenly fed into a blast furnace to influence the furnace condition, and leads the materials to be stably fed into the blast furnace;
(2) the utility model discloses a blast furnace silo feeding feed divider, baffle cooperation feed divider can effectively avoid the bold material of height too big, length overlength to pass through the feed opening, also can effectively avoid the bold material to slide into the blast furnace suddenly, ensures that the unloading speed is even stable, and the material particle diameter is even, guarantees thereby that the blast furnace condition is not influenced by the unloading;
(3) the utility model discloses a blast furnace silo feeding and distributing device, a space is left between the material blocking rod of the distributing mechanism and the material bearing surface of the vibrator, and the vibrator is prevented from directly contacting the bottom surface of the material blocking rod when vibrating, so as to prevent the acceleration of the abrasion of the material blocking rod and the material bearing surface of the vibrator;
(4) the utility model discloses a blast furnace silo feed divider, the fender material pole is connected for movable dismantlement with the fitting ring, on the one hand, convenient fender material pole wearing and tearing back dismantlement change or to the taking off a plurality of fender material poles of sieve material particle diameter demand different adaptability, on the other hand, the vibration passes through the material transmission to the fender material pole in the unloading process, the fender material pole that the activity set up can reduce the loss to fitting ring and baffle junction, ensures the effective life of this device structure;
(5) the blast furnace silo feeding and distributing device of the utility model has the advantages that the baffle, the assembling ring and the material blocking rod are all made of the common ready-made materials in the iron-making workshop, the device has low production cost, can be conveniently and easily modified on the existing basis, does not need to stop the equipment for a long time, cannot influence the normal production process, and has simple and rapid maintenance process;
(6) the utility model discloses simple structure, reasonable in design easily makes.
Drawings
FIG. 1 is a schematic view of a blast furnace bunker in the prior art;
FIG. 2 is a schematic structural view of a feeding and distributing device of a blast furnace material bin of the present invention;
fig. 3 is a schematic structural view of the material distributing mechanism of the present invention;
in the figure:
1. a storage bin; 10. a feeding port;
2. a vibrator;
3. a baffle plate; 30. mounting holes;
4. a material distributing mechanism; 40. assembling a ring; 41. the striker rod.
Detailed Description
The invention will be further described with reference to specific embodiments and drawings.
Example 1
The blast furnace material bin feeding and distributing device of the embodiment comprises,
the bottom of the bin 1 is provided with a feed opening 10;
a vibrator 2 disposed below the feed opening 10;
further comprising:
and the baffle 3 is vertically connected to the front side of the feed opening 10, and a space is reserved between the bottom edge of the baffle 3 and the material bearing surface of the vibrator 2.
The blast furnace material bin feeding structure of prior art is shown in fig. 1, set up vibrator 2 in 1 feed opening 10 below of feed bin, the material is followed the feed opening 10 ejection of compact, fall to 2 top tank bottoms of vibrator on the face of holding the material promptly, vibrate through vibrator 2 and carry out the feed, this kind of mode raw materials directly gets into in the blast furnace without screening, can influence the blast furnace condition, also can make the used flux of blast furnace random entering stove, cause the blast furnace malfunction, the loss is great, to this, the embodiment improves.
As shown in fig. 2, in the present embodiment, the baffle 3 is made of a rectangular steel strip, the length of the baffle 3 matches the length of the feeding opening 10, and the width of the baffle 3 is smaller than the width of the feeding opening 10, and is generally 20-30 cm, so as to allow a space between the baffle 3 and the material bearing surface of the vibrator 2 to flow out for normal discharging.
In this embodiment, the baffle 3 can be fixed and welded in the front side of the feed opening 10, and can also be detachably connected with the front side of the feed opening 10, and the detachable connection has the specific structure that the left end and the right end of the front side of the feed opening 10 are welded with lugs in a protruding manner, the corresponding position of the baffle 3 is provided with the mounting hole 30, and the lugs penetrate through the mounting hole 30 to hang the baffle 3 on the front side of the feed opening 10.
Through the structural arrangement of this embodiment, can pass through baffle 3 interception with the bold material that highly is too big, avoid the bold material to drive too much material and give into the blast furnace suddenly and influence the furnace condition, make the material stably give into the blast furnace.
Example 2
The blast furnace material bin feeding and distributing device of the embodiment is further improved on the basis of the embodiment 1, and further comprises a distributing mechanism 4 which is connected to the front side of the baffle plate 3, and the distributing mechanism 4 divides the space between the bottom edge of the baffle plate 3 and the material bearing surface of the vibrator 2 into a plurality of spaced areas.
As shown in figure 2, the space between the bottom edge of the baffle 3 and the material bearing surface of the vibrator 2 is divided into a plurality of spaced areas by the arrangement of the material distributing mechanism 4, the baffle 3 is matched with the material distributing mechanism 4, large materials with overlarge height and overlong length can be effectively prevented from passing through the feed opening 10, large batches of materials can be effectively prevented from suddenly sliding into the blast furnace, the uniform and stable feeding speed is ensured, the particle size of the materials is uniform, and therefore the condition of the blast furnace is ensured not to be influenced by feeding.
Example 3
The blast furnace material bin feeding and distributing device of the embodiment is further improved on the basis of the embodiments 1-2, and the distributing mechanism 4 comprises:
the side surface of the assembling ring 40 is fixedly connected with the front side of the baffle 3, and the axis of the assembling ring 40 is vertically arranged;
the material blocking rod 41 penetrates through the assembly ring 40 and is movably connected with the assembly ring 40, and the distance between the bottom surface of the material blocking rod 41 and the material bearing surface of the vibrator 2 is smaller than the distance between the bottom edge of the baffle plate 3 and the material bearing surface of the vibrator 2.
As shown in fig. 3, the material distributing mechanism 4 is composed of an assembling ring 40 and a material blocking rod 41, wherein the material blocking rod 41 penetrates through the assembling ring 40 and extends out from the position of the distance between the bottom edge of the baffle plate 3 and the material bearing surface of the vibrator 2, and the area is divided into a plurality of spaced areas, so that the material sieving and distributing effect is achieved.
Further, in the embodiment, a space is left between the material blocking rod 41 and the material bearing surface of the vibrator 2, so that the vibrator 2 is prevented from directly contacting the bottom surface of the material blocking rod 41 during vibration, and the abrasion of the material blocking rod 41 and the material bearing surface of the vibrator 2 is prevented from being accelerated; keep off material pole 41 and assembly ring 40 in this embodiment and be connected for movable dismantling, on the one hand make things convenient for and keep off material pole 41 to dismantle after wearing and tearing change or to taking off a plurality of fender material poles 41 of the different adaptability of sieve material particle diameter demand, on the other hand, the vibration passes through the material and transmits to fender material pole 41 among the unloading process, and the fender material pole 41 that the activity set up can reduce the loss to assembly ring 40 and 3 junctions of baffle, ensures the effective life of this device structure.
In this embodiment, the material blocking rod 41 movably arranged is as common as the comb teeth, so that the blanking process is uniform and stable.
Example 4
The blast furnace material bin feeding and distributing device is further improved on the basis of the embodiments 1-3, a plurality of assembling rings 40 are arranged in multiple rows, and a plurality of assembling rings 40 are uniformly arranged in each row.
As shown in fig. 3, the arrangement of a plurality of assembly rings 40 in each row can ensure the stability of the position of the striker rod 41 in the vertical direction after placement, and the number of the striker rods 41 is set according to the material sieving requirement, and is at most the same as the number of the rows of the assembly rings 40.
Example 5
The blast furnace material bin feeding and distributing device is further improved on the basis of the embodiments 1-4, the assembling ring 40 is a nut, and the material blocking rod 41 is T-shaped.
In the embodiment, the assembling rings 40 are nuts of M38#, more specifically, hexagon nuts of M38#, and the purpose is to increase the welding area between the assembling rings and the baffle 3 when the nuts are connected with the baffle 3, so that the fixing strength is improved, and the structural connection reliability is ensured; keep off material pole 41 in this embodiment by phi 20 mm's round steel preparation, constitute by horizontal bar and vertical retort welding, vertical retort length 35cm, horizontal bar and vertical retort length ratio are 1: 5, and the horizontal bar can be stabilized the spacing on the nut that goes upward when guaranteeing to keep off material pole 41 to place with the nut from this, can not slide, and can not the mutual contact influence place between two adjacent material poles 41 horizontal bars of keeping off.
The application method of the blast furnace bin feeding and distributing device comprises the following steps:
firstly, according to the size of a feed opening 10 of a bin 1, a baffle 3 with matched size is manufactured by using a strip-shaped steel plate, and after the baffle 3 is installed, a space is reserved between the bottom edge and the material bearing surface of a vibrator 2;
secondly, using a M38# hexagon nut as an assembling ring 40, welding the assembling ring on one side surface of the baffle plate 3, welding two rows of nuts up and down, horizontally welding multiple rows of nuts, wherein the distance between every two adjacent rows of nuts is 15cm, and the distance between every two adjacent rows of nuts is 10 cm;
thirdly, manufacturing a T-shaped material blocking rod 41 with the length of 35cm by using round steel with the diameter of 20mm, wherein the ratio of horizontal strips to vertical strips of the material blocking rod 41 is 1: 5;
fourthly, lugs are convexly welded to the front two ends of the front side of the feed opening 10 forwards, abdicating holes are formed in the positions corresponding to the baffles 3, and the lugs penetrate through the abdicating holes to hang the baffles 3 on the front side of the feed opening 10;
fifthly, inserting the T-shaped material blocking rods 41 into the assembly rings 40 in each row respectively;
and sixthly, starting blanking.
The examples of the utility model are only right the utility model discloses a preferred embodiment describes, and not right the utility model discloses design and scope are injectd, do not deviate from the utility model discloses under the prerequisite of design idea, the field engineering technical personnel are right the utility model discloses a various deformation and improvement that technical scheme made all should fall into the protection scope of the utility model.
Claims (5)
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120945374.6U CN214827400U (en) | 2021-04-29 | 2021-04-29 | A feeding and distributing device for a blast furnace silo |
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| CN202120945374.6U CN214827400U (en) | 2021-04-29 | 2021-04-29 | A feeding and distributing device for a blast furnace silo |
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| CN214827400U true CN214827400U (en) | 2021-11-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115918356A (en) * | 2023-02-23 | 2023-04-07 | 黑龙江省农业科学院绥化分院 | Straw crushing and returning equipment |
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2021
- 2021-04-29 CN CN202120945374.6U patent/CN214827400U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115918356A (en) * | 2023-02-23 | 2023-04-07 | 黑龙江省农业科学院绥化分院 | Straw crushing and returning equipment |
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Address after: 215625 Zhangjiagang, Suzhou, Jiangsu, Jinjiang Fengzhen Patentee after: Jiangsu Shagang Steel Co.,Ltd. Country or region after: China Patentee after: JIANGSU SHAGANG GROUP Co.,Ltd. Address before: Shagang Group Hongchang Steel Plate Hongchang Avenue Jinfeng Town Zhangjiagang City Suzhou City Jiangsu Province Patentee before: ZHANGJIAGANG HONGCHANG STEEL PLATE Co.,Ltd. Country or region before: China Patentee before: JIANGSU SHAGANG GROUP Co.,Ltd. |