CN102296133B - Feeding device for receiving tank of blast furnace - Google Patents
Feeding device for receiving tank of blast furnace Download PDFInfo
- Publication number
- CN102296133B CN102296133B CN 201110254975 CN201110254975A CN102296133B CN 102296133 B CN102296133 B CN 102296133B CN 201110254975 CN201110254975 CN 201110254975 CN 201110254975 A CN201110254975 A CN 201110254975A CN 102296133 B CN102296133 B CN 102296133B
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- CN
- China
- Prior art keywords
- blast furnace
- rotating cylinder
- feeding device
- material distribution
- coupling shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/18—Bell-and-hopper arrangements
- C21B7/20—Bell-and-hopper arrangements with appliances for distributing the burden
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/0033—Charging; Discharging; Manipulation of charge charging of particulate material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/10—Charging directly from hoppers or shoots
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Blast Furnaces (AREA)
Abstract
The invention discloses a feeding device for a receiving tank of a blast furnace, which comprises a base, a rotary material distribution hopper and a driving device for driving the rotary material distribution hopper to rotate, wherein the base is arranged on the top of the receiving tank of the blast furnace; the rotary material distribution hopper comprises a rotating drum which is arranged on the base and is matched with the base in a rotating manner and a material distribution chute which is fixedly arranged on the rotating drum in a detachable manner; and the material discharge end of the material distribution chute is deflected from the rotation center of the rotating drum. In the feeding device for the receiving tank of the blast furnace, the rotary material distribution hopper continuously discharges materials into the receiving tank along a circumferential direction, and rotary material distribution can make materials of different particle sizes distribute in the receiving tank uniformly and therefore eliminates a material segregation phenomenon; as the detachable material distribution chute is convenient to replace and maintain, the use cost is low, and by regulating a limiting device, the material distribution chute can rotate to a vertical state on a connecting shaft to enable the rotary material distribution hopper to adapt to a condition that rotary material distribution is not needed; and the rotary material distribution hopper has the advantages of small overall size, simple structure, environment-friendly operation.
Description
Technical field
The present invention relates to a kind of blast furnace string tank non-bell furnace top charging equipment, particularly a kind of batch can material current distribution device that is subjected to distributes in being subjected to batch can for the material that will enter the bell-less charging system.
Background technology
In order to solve the segregation phenomena that enters shaft furnace charging system material, before entering blast furnace string tank bell-less charging system, material all can take material is redistributed, guarantee to enter the homogeneity of material in the charging system batch can, avoid the material segregation on the impact of blast furnace material distribution, cause raw meal particle size skewness in the State of Blast Furnace, affect blast furnace rising gas flow distribution.
In the prior art, blast furnace roof string tank feeder apparatus adopts rotation charging bucket device or fixed distributor that material stream is carried out secondary distribution.
The rotation charging bucket device, above blast furnace is subjected to batch can and material loading master leather belt head wheel cover discharge port between arrange one the rotation batch can, by rotatablely moving of rotation batch can, with material circularize be distributed in the string tank be subjected in the batch can without bell, because the heavy larger rotation batch can diameter of upper charge is larger, charging is many, from great, therefore the rotating mechanism that rotates batch can adopts circumferential direction roller and raceway to be set as rotary support, and it drives and adopts pin tooth transmission.The revolving hopper device can solve the problem of material secondary distribution, but whole device is highly large, and volume is large, and weight is large, has increased on the one hand the height of whole top charging system, has increased the load of top charging equipment; Should rotate on the other hand batch can when operation, circumferential direction is difficult for sealing, causes dust leakage, contaminate environment.
In order to reduce the height of blast furnace roof string tank feeder apparatus, the fixed distributor that adopt are carried out secondary distribution to material stream more at present.Be subjected to the top of batch can that one fixed distributor is installed on string tank feeder apparatus top, its constructional feature is: the divider opening for feed is connected with material loading master leather belt head wheel cover discharge port, and divider arranges 4 discharge ports, the 90 ° of distributions in interval.The material that enters divider is divided into 4 stock materials and flows to and be subjected in the batch can, forms 4 stockpiles in being subjected to batch can, has alleviated the material segregation phenomena that is subjected in the batch can.Fixed distributor is installed in and is subjected in the batch can, has reduced the height of string tank bell-less charging system, distributes but the material distribution has become 4 stockpiles by original annular distribution, and its raw meal particle size secondary distribution effect weakens.
And in the prior art, the structure of rotation charging bucket device and fixed distributor all is all to be all-in-one-piece, its installation and maintenance work are all difficult, it is shorter with the hopper part life-span that fixed distributor contacts with material to rotate simultaneously charging bucket device, need integral replacing rotation charging bucket device or fixed distributor after hopper damages, use cost is higher.
Therefore need that a kind of volume of exploitation is little, simple in structure, material distributed uniform and be convenient to dismounting and the installation for charging shaft furnace of maintenance.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of feeding device for material tank of blast furnace, it is simple in structure, and volume is little, and dismounting is easy to maintenance, and can realize the continuous circular shape cloth, can solve the segregation phenomena of material.The concrete scheme of this device is as follows:
Feeding device for material tank of blast furnace of the present invention, comprise pedestal, rotation cloth bucket and be used for driving the drive unit that the rotation cloth bucket rotates, described pedestal is arranged at blast furnace material feeding tank top, described rotation cloth bucket comprises the rotating cylinder that is arranged on the pedestal and is rotatably assorted with it and is fixedly installed on removably distributor chute on the rotating cylinder that described distributor chute discharge end deviates from the rotating cylinder rotation center.
Further, be provided with pivoting support bearing on the described pedestal, described rotating cylinder is rotatably assorted by pivoting support bearing and pedestal;
Further, be provided with the coupling shaft of horizontal placement on the described rotating cylinder, coupling shaft is rotatably assorted with the rotating cylinder single degree of freedom, also is provided with the stop means that the restriction coupling shaft rotates on the rotating cylinder, and described distributor chute is fixedly installed on the coupling shaft removably;
Further, described stop means comprises the swivel arm that is fixedly installed on the coupling shaft end, is provided with removably latch on the described swivel arm, and latch inserts rotating cylinder and heavy keying fit detachable with it;
Further, the discharge groove of described distributor chute is the straight groove that tilts to oblique below, and the discharge groove bottom surface is provided with the wearing plate I with horizontal teeth groove, and the discharge groove side is provided with flat wearing plate II;
Further, the bottom of described distributor chute is provided with the large webge slot of end osculum, and described coupling shaft is arranged in the webge slot, and the bottom of distributor chute also is provided with the hold-down gear that makes coupling shaft and webge slot wedging;
Further, described hold-down gear comprises the depression bar that is pressed on the coupling shaft, and described depression bar one end and distributor chute are hinged, and the depression bar the other end is bolted and is arranged on the distributor chute;
Further, also be provided with manhole on the described rotating cylinder;
Further, described drive unit comprises drive-motor, speed reduction unit, driving toothed gear and follower gear, the drive-motor power output shaft cooperates with the transmission of reducer power input shaft, the reducer power output shaft is with the coaxial heavy keying fit of driving toothed gear, the follower gear fixed jacket is in rotating cylinder, driving toothed gear and follower gear external toothing;
Further, the oral area of described rotating cylinder also is provided with ring seal rubber.
Beneficial effect of the present invention: feeding device for material tank of blast furnace of the present invention, its rotation cloth bucket is subjected to material in the batch can along circumferentially entering continuously, material forms annular stockpile in being subjected to batch can, the rotation cloth can make the material of different-grain diameter be evenly distributed in and be subjected in the batch can, solved the segregation phenomena of material; Distributor chute is detachable, easy to replace and maintain simultaneously, and use cost is low, and regulation limiting device also can make distributor chute turn to vertical state around coupling shaft, makes the rotation cloth bucket can also be applicable to need not rotate the situation of cloth; Rotate simultaneously cloth bucket and also have less, the simple in structure and advantage such as operation environmental protection etc. of overall dimensions.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is the one-piece construction sectional view of feeding device for material tank of blast furnace of the present invention;
Fig. 2 is that Fig. 1 is at the front view that does not dissect under the state;
Fig. 3 is the vertical view cutaway drawing of rotation cloth bucket;
Fig. 4 is the P section enlarged view among Fig. 1;
Fig. 5 is feeding device for material tank of blast furnace installment state synoptic diagram of the present invention.
Embodiment
Fig. 1 is the one-piece construction sectional view of feeding device for material tank of blast furnace of the present invention; Fig. 2 is that Fig. 1 is at the front view that does not dissect under the state; Fig. 3 is the vertical view cutaway drawing of rotation cloth bucket; Fig. 4 is the P section enlarged view among Fig. 1; Fig. 5 is feeding device for material tank of blast furnace installment state synoptic diagram of the present invention.
The present embodiment feeding device for material tank of blast furnace, comprise pedestal 1, rotation cloth bucket and be used for driving the drive unit that the rotation cloth bucket rotates, described pedestal 1 is arranged at blast furnace material feeding tank top 2, described rotation cloth bucket comprises the rotating cylinder 3 that is arranged on the pedestal 1 and is rotatably assorted with it and is fixedly installed on removably distributor chute 4 on the rotating cylinder 3 that described distributor chute 4 discharge ends deviate from rotating cylinder 3 rotation centers.
Feeding device for material tank of blast furnace of the present invention, its rotation cloth bucket is subjected to material in the batch can along circumferentially entering continuously, material forms annular stockpile in being subjected to batch can, the rotation cloth can make the material of different-grain diameter be evenly distributed in and be subjected in the batch can, solved the segregation phenomena of material; Distributor chute is detachable, easy to replace and maintain simultaneously, and use cost is low; The rotation cloth bucket also has overall dimensions advantage less, simple in structure.
In the present embodiment, be provided with pivoting support bearing 5 on the described pedestal 1, described rotating cylinder 3 is rotatably assorted by pivoting support bearing 5 and pedestal 1, and rotating cylinder 3 rotates flexibly.
As the improvement to the present embodiment, be provided with the coupling shaft 6 of horizontal placement on the described rotating cylinder 3, coupling shaft 6 is rotatably assorted with the rotating cylinder single degree of freedom, in the present embodiment, coupling shaft 6 two ends are arranged on the rotating cylinder 3 by bearing 7, also be provided with the stop means that the restriction coupling shaft rotates on the rotating cylinder 3, described distributor chute 4 is fixedly installed on the coupling shaft 6 removably.When not needing to rotate cloth on the technique, take stop means apart, distributor chute 4 turns to 4 one-tenth vertical states of distributor chute with coupling shaft 6, and material just can directly enter blast furnace and be subjected to batch can 2.This structure can enlarge the use range of revolving hopper.
In the present embodiment, described stop means comprises the swivel arm 8 that is fixedly installed on coupling shaft 6 ends, is provided with removably latch 9 on the described swivel arm 8, and latch 9 inserts rotating cylinder 3 and heavy keying fit detachable with it.This limit device structure is simple, and is easy to manufacture, at rotating cylinder 3 a plurality of jacks that cooperate with latch 9 is set, and can regulate the angle of inclination of distributor chute 4.Certainly in implementation, also can adopt other structures to limit the circumferential position of coupling shaft 6.Also can realize as directly at rotating cylinder one latch that inserts coupling shaft being set.
As the improvement to the present embodiment, the discharge groove of described distributor chute 4 is the straight groove that tilts to oblique below, and the discharge groove bottom surface is provided with the wearing plate I 10 with horizontal teeth groove, and the discharge groove side is provided with flat wearing plate II 11.The teeth groove of wearing plate I 10 is filled the contact surface that can reduce mobile material and wearing plate behind the material, and is set the work-ing life that wearing plate can prolong distributor chute 4.
As the improvement to the present embodiment, the bottom of described distributor chute 4 is provided with the large webge slot of end osculum, and described coupling shaft 6 is arranged in the webge slot, and the bottom of distributor chute 4 also is provided with the hold-down gear that makes coupling shaft 6 and webge slot wedging.This structure is unclamped hold-down gear, distributor chute 4 can be pulled down from coupling shaft 6, and easy accessibility is convenient to maintenance and replacing.
As the improvement to the present embodiment, described hold-down gear comprises the depression bar 12 that is pressed on the coupling shaft 6, and described depression bar 12 1 ends and distributor chute 4 are hinged, and depression bar 12 the other ends are fixedly installed on the distributor chute 4 by bolt 13.By adjusting bolt 13, can regulate the wedging power between coupling shaft 6 and the webge slot, take simultaneously hold-down gear apart, can easily distributor chute 4 be pulled down easy accessibility.
As the improvement to the present embodiment, also be provided with manhole 13 on the described rotating cylinder 3, manhole is set is convenient to the rotation cloth bucket is keeped in repair.
As the improvement to the present embodiment, described drive unit comprises drive-motor 14, speed reduction unit 15, driving toothed gear 16 and follower gear 17, drive-motor 14 power output shaft cooperate with speed reduction unit 15 power input shaft transmissions, speed reduction unit 15 power output shaft are with driving toothed gear 16 coaxial heavy keying fit, follower gear 17 fixed jackets are in rotating cylinder 3, driving toothed gear 16 and follower gear 17 external toothings.
As the improvement to the present embodiment, the oral area of described rotating cylinder 3 also is provided with ring seal rubber 18, can prevent that material dust from escaping from polluted air from the rotating cylinder oral area.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (9)
1. feeding device for material tank of blast furnace, it is characterized in that: comprise pedestal, rotation cloth bucket and be used for driving the drive unit that the rotation cloth bucket rotates, described pedestal is arranged at blast furnace material feeding tank top, described rotation cloth bucket comprises the rotating cylinder that is arranged on the pedestal and is rotatably assorted with it and is fixedly installed on removably distributor chute on the rotating cylinder that described distributor chute discharge end deviates from the rotating cylinder rotation center;
Be provided with the coupling shaft of horizontal placement on the described rotating cylinder, coupling shaft is rotatably assorted with the rotating cylinder single degree of freedom, also is provided with the stop means that the restriction coupling shaft rotates on the rotating cylinder, and described distributor chute is fixedly installed on the coupling shaft removably.
2. feeding device for material tank of blast furnace according to claim 1, it is characterized in that: be provided with pivoting support bearing on the described pedestal, described rotating cylinder is rotatably assorted by pivoting support bearing and pedestal.
3. feeding device for material tank of blast furnace according to claim 2, it is characterized in that: described stop means comprises the swivel arm that is fixedly installed on the coupling shaft end, be provided with removably latch on the described swivel arm, latch inserts rotating cylinder and heavy keying fit detachable with it.
4. feeding device for material tank of blast furnace according to claim 3, it is characterized in that: the straight groove of the discharge groove of described distributor chute for tilting to oblique below, the discharge groove bottom surface is provided with the wearing plate I with horizontal teeth groove, and the discharge groove side is provided with flat wearing plate II.
5. feeding device for material tank of blast furnace according to claim 4, it is characterized in that: the bottom of described distributor chute is provided with the large webge slot of end osculum, described coupling shaft is arranged in the webge slot, and the bottom of distributor chute also is provided with the hold-down gear that makes coupling shaft and webge slot wedging.
6. feeding device for material tank of blast furnace according to claim 5, it is characterized in that: described hold-down gear comprises the depression bar that is pressed on the coupling shaft, and described depression bar one end and distributor chute are hinged, and the depression bar the other end is bolted and is arranged on the distributor chute.
7. feeding device for material tank of blast furnace according to claim 6 is characterized in that: also be provided with manhole on the described rotating cylinder.
8. feeding device for material tank of blast furnace according to claim 1, it is characterized in that: described drive unit comprises drive-motor, speed reduction unit, driving toothed gear and follower gear, the drive-motor power output shaft cooperates with the transmission of reducer power input shaft, the reducer power output shaft is with the coaxial heavy keying fit of driving toothed gear, the follower gear fixed jacket is in rotating cylinder, driving toothed gear and follower gear external toothing.
9. feeding device for material tank of blast furnace according to claim 1, it is characterized in that: the oral area of described rotating cylinder also is provided with ring seal rubber.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201110254975 CN102296133B (en) | 2011-08-31 | 2011-08-31 | Feeding device for receiving tank of blast furnace |
BR112014004561A BR112014004561A2 (en) | 2011-08-31 | 2011-09-16 | blast furnace receiver tank loading device |
PCT/CN2011/079754 WO2013029287A1 (en) | 2011-08-31 | 2011-09-16 | Feeding device for receiving tank of blast furnace |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201110254975 CN102296133B (en) | 2011-08-31 | 2011-08-31 | Feeding device for receiving tank of blast furnace |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102296133A CN102296133A (en) | 2011-12-28 |
CN102296133B true CN102296133B (en) | 2013-02-13 |
Family
ID=45356808
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201110254975 Active CN102296133B (en) | 2011-08-31 | 2011-08-31 | Feeding device for receiving tank of blast furnace |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN102296133B (en) |
BR (1) | BR112014004561A2 (en) |
WO (1) | WO2013029287A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111074031B (en) * | 2020-01-17 | 2021-05-07 | 北京科技大学 | Blast furnace distributing system with multiple storage devices for distributing materials simultaneously |
CN111074030B (en) * | 2020-01-17 | 2021-05-07 | 北京科技大学 | Blast furnace material distribution system and method |
CN112410489A (en) * | 2020-11-06 | 2021-02-26 | 黄子善 | Raw material feeding system for iron smelting equipment |
CN116287512A (en) * | 2022-09-05 | 2023-06-23 | 武安市裕华钢铁有限公司 | Blast furnace smelting furnace top equipment and rotary distribution chute |
CN115307483B (en) * | 2022-09-13 | 2023-09-12 | 黑龙江省工业信息化发展中心 | Automatic bullet loading system of bullet magazine for projectile robot |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2723933Y (en) * | 2004-05-20 | 2005-09-07 | 安阳钢铁集团有限责任公司 | Rotary material distributor |
CN2804115Y (en) * | 2005-07-13 | 2006-08-09 | 石家庄三环阀门股份有限公司 | Top furnace pot distributor of blast furnace |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
LU90433B1 (en) * | 1999-09-03 | 2001-03-05 | Wurth Paul Sa | Bulk material distribution device with rotating chute - variable tilt angle |
CN2567231Y (en) * | 2002-08-13 | 2003-08-20 | 张守权 | Compound blast furnace chute liner |
CN2913379Y (en) * | 2006-06-22 | 2007-06-20 | 张焕荣 | Blast furnace distributing chute lining plate |
CN201762346U (en) * | 2010-05-19 | 2011-03-16 | 中冶东方工程技术有限公司 | Blast furnace distributing device of mechanical hydraulic group drive chute |
CN202193795U (en) * | 2011-08-31 | 2012-04-18 | 中冶赛迪工程技术股份有限公司 | Feeding device for material tank of blast furnace |
-
2011
- 2011-08-31 CN CN 201110254975 patent/CN102296133B/en active Active
- 2011-09-16 BR BR112014004561A patent/BR112014004561A2/en not_active Application Discontinuation
- 2011-09-16 WO PCT/CN2011/079754 patent/WO2013029287A1/en active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2723933Y (en) * | 2004-05-20 | 2005-09-07 | 安阳钢铁集团有限责任公司 | Rotary material distributor |
CN2804115Y (en) * | 2005-07-13 | 2006-08-09 | 石家庄三环阀门股份有限公司 | Top furnace pot distributor of blast furnace |
Also Published As
Publication number | Publication date |
---|---|
BR112014004561A2 (en) | 2017-04-04 |
WO2013029287A1 (en) | 2013-03-07 |
CN102296133A (en) | 2011-12-28 |
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