CN215854011U

CN215854011U - Flexible connection for weighing and discharging system

Info

Publication number: CN215854011U
Application number: CN202121856077.0U
Authority: CN
Inventors: 苏俊兵; 刘勇; 陈铁林; 谢洪材
Original assignee: Yangchun New Iron and Steel Co Ltd
Current assignee: Yangchun New Iron and Steel Co Ltd
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2022-02-18
Anticipated expiration: 2031-08-09

Abstract

The utility model provides a flexible connection for a weighing and discharging system, which relates to the technical field of converter smelting, and comprises an overhead bin, a weighing and conveying system and a converter storage bin, wherein a first flexible connection assembly is arranged on a first discharging port, a second flexible connection assembly is arranged on a second discharging port, the first flexible connection assembly and the second flexible connection assembly are the same in structure, a canvas discharging chute is of an integrally formed structure, and a blowing mechanism for cleaning dust on the inner wall of the canvas discharging chute is arranged on the outer side of the canvas discharging chute; through setting canvas unloading chute to monolithic structure, do not have the joint seam, consequently can eliminate seam ash leakage scheduling problem, through set up the blowing mechanism in the canvas unloading chute outside, utilize the blowing pipe can carry out the blowing to the powder that gathers on the canvas unloading chute inner wall and drop, avoid the material to be held back on canvas unloading chute inner wall and the material that causes weighs inaccurate and the extravagant problem of material.

Description

Flexible connection for weighing and discharging system

Technical Field

The utility model relates to the technical field of converter smelting, in particular to a flexible connection for a weighing and blanking system.

Background

Most of the raw and auxiliary materials for smelting in the converter of the steel plant pass through a high-level bunker, are weighed by a weighing and conveying system and then enter the converter through a high-level chute, and because smelting materials are generally added in a multi-batch and small-quantity manner, the requirement on feeding accuracy is high, otherwise, the components and smelting effects are influenced, and the product quality is further influenced;

because the weighing and conveying system must be separated from the feeding chute, the blanking chute and the like, otherwise, the structural weight of the weighing and conveying system completely enters the weighing system, and in the using process, the weighing and conveying system is often formed by binding canvas, so that the connecting seams and the blank pressing are not tight. During blanking, auxiliary material dust leaks from the joint part and the part with untight edge pressing, and is accumulated after leaking, so that the weighing accuracy is also influenced, and the environment is greatly influenced.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, an object of the present invention is to provide a flexible connection for a weighing and feeding system, which has no connecting seam by providing a canvas feeding chute as an integral structure, and thus can eliminate the problems of seam leakage and dust leakage, and a blowing mechanism is provided outside the canvas feeding chute, so that the powder accumulated on the inner wall of the canvas feeding chute can be blown by a blowing pipe and dropped, thereby avoiding the problems of inaccurate material weighing and material waste caused by the material being trapped on the inner wall of the canvas feeding chute, and having the advantages of improving the weighing precision and saving the cost.

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

a flexible connection used for a weighing and feeding system comprises an elevated bunker, a weighing and conveying system and a converter storage silo, wherein a first feeding port is arranged at the bottom of the elevated bunker, a first flexible connecting component is arranged on the first feeding port, the first feeding port is connected with an inlet of the weighing and conveying system through the first flexible connecting component, a second feeding port is arranged at the bottom of the weighing and conveying system, a second flexible connecting component is arranged on the second feeding port, the second feeding port is connected with an inlet of the converter storage silo through the second flexible connecting component, the first flexible connecting component and the second flexible connecting component are the same in structure and respectively comprise an upper connecting flange group, a lower connecting flange group and a canvas feeding chute, the canvas feeding chute is of an integrally formed structure, the upper end of the canvas feeding chute is connected with the first feeding port and the second feeding port through the upper connecting flange group, the lower end of the canvas feeding chute is connected with the inlet of the weighing and the converter storage silo through the lower connecting flange group, the outer side of the canvas discharging chute is provided with a blowing mechanism for cleaning dust on the inner wall of the canvas discharging chute.

The further improvement lies in that: go up flange group and flange group structure the same down, all include first flange piece, second flange piece, connecting bolt and sealing washer, be equipped with the sealing washer between first flange piece and the second flange piece, and first flange piece and second flange piece pass through connecting bolt and connect.

The further improvement lies in that: and two ends of the canvas discharging chute are fixedly connected with the second flange piece of the upper connecting flange group and the first flange piece of the lower connecting flange group respectively.

The further improvement lies in that: the blowing mechanism comprises an air storage ring, a plurality of groups of blowing pipes and end covers, the air storage ring is arranged on the outer side of the canvas discharging chute, the blowing pipes are arranged on one side of the air storage ring and longitudinally staggered, one end of each group of blowing pipes extends into the canvas discharging chute, and the end covers are hinged to one ends of the blowing pipes arranged in the canvas discharging chute.

The further improvement lies in that: the gas storage ring is fixed with the first feed opening and the inlet of the converter storage bin through a support, one side of the gas storage ring is provided with a gas inlet, and the gas inlet is connected with the output end of a gas pump.

The further improvement lies in that: one end of the blowing pipe close to the gas storage ring is of a horn mouth structure, and the other end of the blowing pipe is of a rectangular structure.

The further improvement lies in that: the inner wall of the canvas discharging chute is provided with a high temperature resistant layer, and the high temperature resistant layer is provided with a corrosion resistant layer.

The utility model has the beneficial effects that: the canvas feeding chute is of an integral structure and does not have a connecting seam, so that the problems of ash leakage and the like of the seam can be solved, meanwhile, two ends of the canvas feeding chute are fixedly connected with the second flange piece of the upper connecting flange group and the first flange piece of the lower connecting flange group respectively, no additional pressing iron is needed for pressing edges, the situations of ash leakage and the like caused by uneven pressing edges are avoided, and the first soft connecting assembly and the second soft connecting assembly also have the advantage of easiness in disassembly;

through set up the blowing mechanism in the canvas unloading chute outside, utilize the drum blowpipe can blow to the powder that gathers on the canvas unloading chute inner wall and drop, avoid the material to be held back on canvas unloading chute inner wall and the problem that the material that causes weighs inaccurately and the material is extravagant, have the improvement and weigh the precision and practice thrift the advantage of cost.

Drawings

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

FIG. 2 is a schematic view of the first and second flexible connection assemblies of the present invention;

FIG. 3 is a schematic top view of the blowing mechanism of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

fig. 5 is a schematic plan view of the canvas blanking chute structure of the present invention.

Wherein: 1. an elevated bunker; 2. a weighing and conveying system; 3. a converter storage bin; 4. a first feed opening; 5. a first flexible connection assembly; 6. a second feed opening; 7. a second flexible connection assembly; 8. an upper connecting flange group; 9. a lower connecting flange group; 10. a canvas feeding chute; 11. a first flange piece; 12. a second flange piece; 13. a connecting bolt; 14. a seal ring; 15. a gas storage ring; 16. a drum blowing pipe; 17. an end cap; 18. a support; 19. an air inlet; 20. an air pump; 21. a high temperature resistant layer; 22. a corrosion resistant layer.

Detailed Description

In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.

According to the drawings of fig. 1-5, the embodiment provides a flexible connection for a weighing and feeding system, which includes an elevated bunker 1, a weighing and conveying system 2 and a converter storage bunker 3, wherein a first feeding opening 4 is provided at the bottom of the elevated bunker 1, a first flexible connection assembly 5 is provided on the first feeding opening 4, the first feeding opening 4 is connected to an inlet of the weighing and conveying system 2 through the first flexible connection assembly 5, a second feeding opening 6 is provided at the bottom of the weighing and conveying system 2, a second flexible connection assembly 7 is provided on the second feeding opening 6, the second feeding opening 6 is connected to an inlet of the converter storage bunker 3 through the second flexible connection assembly 7, after the elevated bunker 1 is weighed and fed, the material is conveyed through the weighing and conveying system 2 and then enters the converter storage bunker 3 from the second feeding opening 6, the first flexible connection assembly 5 and the second flexible connection assembly 7 have the same structure, all include flange group 8, lower flange group 9 and canvas unloading chute 10, canvas unloading chute 10 is the integrated into one piece structure, and the upper end is connected with first feed opening 4 and second feed opening 6 through flange group 8, and the lower extreme is through flange group 9 and the import of weighing conveying system 2 and the access connection of converter storage silo 3 down, the canvas unloading chute 10 outside is equipped with the blowing mechanism of clearance canvas unloading chute 10 inner wall dust.

Go up flange group 8 and lower flange group 9 structure the same, all include first flange piece 11, second flange piece 12, connecting bolt 13 and sealing washer 14, be equipped with sealing washer 14 between first flange piece 11 and the second flange piece 12, and first flange piece 11 and second flange piece 12 pass through connecting bolt 13 and connect.

Two ends of the canvas discharging chute 10 are respectively fixedly connected with the second flange piece 12 of the upper connecting flange group 8 and the first flange piece 11 of the lower connecting flange group 9.

The blowing mechanism comprises an air storage ring 15, blowing pipes 16 and end covers 17, wherein the air storage ring 15 is arranged on the outer side of the canvas discharging chute 10, the blowing pipes 16 are arranged on one side of the air storage ring 15, the blowing pipes 16 are longitudinally staggered and provided with multiple groups, one ends of the multiple groups of blowing pipes 16 extend into the canvas discharging chute 10, the end covers 17 are hinged to one ends of the blowing pipes 16 arranged in the canvas discharging chute 10, the end covers 17 can seal the blowing pipes 16 in an uninflated state to prevent materials from entering the blowing pipes 16, the air is inflated in the air storage ring 15 by regularly utilizing an air pump 20, and an air source enters the canvas discharging chute 10 through the blowing pipes 16 and blows off the materials on the inner wall of the canvas discharging chute 10.

The gas storage ring 15 is fixed with the inlets of the first feed opening 4 and the converter storage bin 3 through a support 18, one side of the gas storage ring 15 is provided with a gas inlet 19, and the gas inlet 19 is connected with the output end of a gas pump 20.

One end of the blowing pipe 16 close to the air storage ring 15 is of a bell mouth structure, and the other end of the blowing pipe is of a rectangular structure, so that the air inlet amount can be increased through the bell mouth structure.

The inner wall of the canvas discharging chute 10 is provided with a high temperature resistant layer 21, the high temperature resistant layer 21 is provided with a corrosion resistant layer 22, the high temperature resistant layer 21 and the corrosion resistant layer 22 can improve the high temperature resistance and the overlooking resistance of the canvas discharging chute 10, and the service life of the canvas discharging chute can be prolonged.

According to the utility model, the canvas feeding chute 10 is arranged into an integral structure and does not have a connecting seam, so that the problems of ash leakage and the like of the seam can be eliminated, meanwhile, two ends of the canvas feeding chute 10 are respectively and fixedly connected with the second flange sheet 12 of the upper connecting flange group 8 and the first flange sheet 11 of the lower connecting flange group 9, no additional pressing iron is needed for pressing edges, the situations of ash leakage and the like caused by uneven pressing edges are avoided, and the first soft connecting component 5 and the second soft connecting component 7 also have the advantage of easiness in disassembly;

through set up the blowing mechanism in the canvas unloading chute 10 outside, utilize drum blowpipe 16 can blow to the powder that gathers on the canvas unloading chute 10 inner wall and drop, avoid the material to be held back on canvas unloading chute 10 inner wall and the problem that the material that causes weighs inaccurately and the material is extravagant, have the improvement and weigh the precision and practice thrift the advantage of cost.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a flexible coupling for unloading system weighs, includes overhead bin (1), weighs conveying system (2) and converter storage silo (3), its characterized in that: the device is characterized in that a first feed opening (4) is arranged at the bottom of the high-position storage bin (1), a first soft connecting component (5) is arranged on the first feed opening (4), the first feed opening (4) is connected with an inlet of a weighing conveying system (2) through the first soft connecting component (5), a second feed opening (6) is arranged at the bottom of the weighing conveying system (2), a second soft connecting component (7) is arranged on the second feed opening (6), the second feed opening (6) is connected with an inlet of a converter storage bin (3) through the second soft connecting component (7), the first soft connecting component (5) and the second soft connecting component (7) are identical in structure and respectively comprise an upper connecting flange group (8), a lower connecting flange group (9) and a feed chute (10), the feed chute (10) is of an integrally formed structure, and the upper end of the feed chute is connected with the first feed opening (4) and the second feed opening (6) through the upper connecting flange group (8), the lower end of the canvas feeding chute is connected with an inlet of the weighing and conveying system (2) and an inlet of the converter storage bin (3) through a lower connecting flange group (9), and a blowing mechanism for cleaning dust on the inner wall of the canvas feeding chute (10) is arranged on the outer side of the canvas feeding chute (10).

2. A flexible connection for a weigh blanking system as claimed in claim 1, wherein: go up flange group (8) and lower flange group (9) structure the same, all include first flange piece (11), second flange piece (12), connecting bolt (13) and sealing washer (14), be equipped with sealing washer (14) between first flange piece (11) and second flange piece (12), and first flange piece (11) and second flange piece (12) are connected through connecting bolt (13).

3. A flexible connection for a weigh blanking system as claimed in claim 2, wherein: the two ends of the canvas discharging chute (10) are respectively and fixedly connected with a second flange piece (12) of the upper connecting flange group (8) and a first flange piece (11) of the lower connecting flange group (9).

4. A flexible connection for a weigh blanking system as claimed in claim 1, wherein: the blowing mechanism comprises an air storage ring (15), blowing pipes (16) and end covers (17), wherein the air storage ring (15) is arranged on the outer side of the canvas discharging chute (10), the blowing pipes (16) are arranged on one side of the air storage ring (15), the blowing pipes (16) are longitudinally staggered to form multiple groups, one ends of the blowing pipes (16) extend into the canvas discharging chute (10), and the end covers (17) are hinged to one ends of the blowing pipes (16) arranged in the canvas discharging chute (10).

5. A flexible connection for a weigh blanking system as claimed in claim 4, wherein: the gas storage ring (15) is fixed with the inlets of the first feed opening (4) and the converter storage bin (3) through a support (18), one side of the gas storage ring (15) is provided with a gas inlet (19), and the gas inlet (19) is connected with the output end of a gas pump (20).

6. A flexible connection for a weigh blanking system as claimed in claim 4, wherein: one end of the blowing pipe (16) close to the gas storage ring (15) is of a bell mouth structure, and the other end of the blowing pipe is of a rectangular structure.

7. A flexible connection for a weigh blanking system as claimed in claim 1, wherein: the canvas feeding chute is characterized in that a high-temperature-resistant layer (21) is arranged on the inner wall of the canvas feeding chute (10), and a corrosion-resistant layer (22) is arranged on the high-temperature-resistant layer (21).