CN210856186U - Small-size blast furnace does not have bell equipment distributing device - Google Patents
Small-size blast furnace does not have bell equipment distributing device Download PDFInfo
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- CN210856186U CN210856186U CN201921990503.2U CN201921990503U CN210856186U CN 210856186 U CN210856186 U CN 210856186U CN 201921990503 U CN201921990503 U CN 201921990503U CN 210856186 U CN210856186 U CN 210856186U
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Abstract
The utility model relates to a small-sized blast furnace bell-less equipment distributing device, belonging to the technical field of metallurgical industry blast furnace top equipment. The technical scheme is as follows: a gap between the outer shell (14) of the distributing bell body and the distributing bell body (15) forms a distributing channel; the outer shell (14) of the distributing clock body is fixed in the blast furnace end shell through a plurality of pull rods (10), the lower ends of the pull rods (10) are rotatably connected with the outer shell (14) of the distributing clock body through spherical universal connecting devices (13), and the upper ends of the pull rods (10) penetrate out of the blast furnace end shell (2) and are in driving connection with a pull rod driving device (11). The utility model has the advantages that: simple structure, it is convenient to overhaul, long service life can make things convenient for the cloth of small-size blast furnace, satisfies blast furnace operation requirement, promotes blast furnace operation index.
Description
Technical Field
The utility model relates to a small-sized blast furnace bell-less equipment distributing device, belonging to the technical field of metallurgical industry blast furnace top equipment.
Background
At present, in the technical field of charging of blast furnace top equipment in the metallurgical industry, bell-less charging equipment is widely used in large blast furnaces due to excellent material distribution performance and sealing performance, while small blast furnaces, such as blast furnaces below 200m3, have not very large function due to the excellent material distribution performance of bell-less rotary distributor, and meanwhile, because the bell-less rotary distributor is expensive in manufacturing cost, the furnace top equipment still adopts the traditional bell-less furnace top equipment; the traditional blast furnace with the big bell and the small bell has a plurality of defects, such as poor sealing performance of furnace top equipment, short service cycle of the big bell and the small bell, poor production index of the blast furnace, more coal gas and dust leaked from the furnace top area, serious environmental pollution, harm to personal safety and the like; in order to ensure that a blast furnace below 200m3 adopts bell-less equipment, a material distribution device suitable for the bell-less equipment of a small blast furnace needs to be developed, not only needs to meet the basic material distribution requirement of the small blast furnace, but also needs to have low manufacturing cost, and is a necessary condition for the bell-less top equipment of the small blast furnace.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a small-size blast furnace does not have bell equipment distributing device can satisfy small-size blast furnace cloth basic requirement, and low in cost solves the problem that exists among the background art.
The technical scheme of the utility model is that:
a small-sized blast furnace bell-less equipment distributing device comprises a pull rod, a pull rod driving device, a sealing device, a spherical universal connecting device, a distributing bell outer shell and a distributing bell body; the outer shell of the distributing clock body is in a cone cylinder shape, the distributing clock body is in a round table shape, the outer shell of the distributing clock body is sleeved outside the distributing clock body, the distributing clock body is fixedly connected with the outer shell of the distributing clock body through a rib plate, and a distributing channel is formed in a gap between the outer shell of the distributing clock body and the distributing clock body; the shell on the outer side of the distributing clock body is fixed in a shell of a blast furnace end through a plurality of pull rods, the pull rods are arranged along the circumferential direction of the shell on the outer side of the distributing clock body, the lower ends of the pull rods are rotatably connected with the shell on the outer side of the distributing clock body through spherical universal connecting devices, the upper ends of the pull rods penetrate out of the shell of the blast furnace end and are in driving connection with a pull rod driving device, and a sealing device is arranged between the pull rods and the shell of the blast furnace end.
The spherical universal connecting device comprises a sphere fixed at the lower end of the pull rod and a cavity body fixed on the shell outside the distributing clock body and matched with the sphere.
The pull rods are all arranged in parallel with the center lines of the outer shell of the distributing clock body and the distributing clock body.
The pull rod driving device is electrically driven or hydraulically driven.
The number of the pull rods is three. The shell on the outer side of the distributing clock body is fixed in the shell of the blast furnace end through three pull rods, the three pull rods are arranged along the circumferential direction of the shell on the outer side of the distributing clock body, the central angle between every two adjacent pull rods is 90 degrees, the pull rods can move up and down under the action of the driving device, the function of multi-directional distributing in the small blast furnace is achieved, and the distributing requirement of the small blast furnace is met.
The outer shell of the distributing clock body and the distributing clock body are of split assembly structures.
If the edge of the blast furnace needs to be distributed with more materials, the pull rods are lifted at the same time, the distributing bell body is in a high position, and more materials falling from the distributing bell body can be distributed on the edge of the blast furnace; if the material needs to be distributed in the center of the blast furnace, the pull rods are lowered at the same time, the material distributing bell body is in a low position, and more material falling from the material distributing bell body can be distributed near the center of the blast furnace; when the material is distributed to one direction of the blast furnace, one or two pull rods are kept to be not moved, other pull rods are moved, the distributing bell body can incline to the distributing direction, and more material falling from the distributing bell body can be distributed in the distributing direction, so that the operating requirement of the blast furnace is met.
The utility model discloses an innovation point is: firstly, the double-layer conical structure is adopted, so that the strength is high and the service life is long; secondly, the bell-shaped distributing device adopts a spherical universal connecting device, and three pull rods with central angles of 90 degrees move up and down under the action of a pull rod driving device, so that the distributing function in a fixed area in the circumferential direction of the blast furnace is realized, and the operation requirement of the blast furnace is met; thirdly, the outer shell of the distributing clock body and the distributing clock body adopt split structures.
The utility model has the advantages that: the basic material distribution requirement of the small-sized blast furnace can be met, and necessary conditions are provided for the small-sized blast furnace to adopt bell-less furnace top equipment; secondly, simple structure, the body all adopts the components of a whole that can function independently structure outside the cloth clock body and the cloth clock body, is convenient for change, can improve equipment life, improves the surrounding environment, can make things convenient for the cloth of small-size blast furnace, can realize blast furnace edge cloth, central cloth and appointed regional cloth function moreover, satisfies blast furnace operation requirement, promotes blast furnace operation index.
Drawings
FIG. 1 is a sectional view of the utility model in use;
FIG. 2 is an external view of the utility model in use;
FIG. 3 is a schematic sectional view of an embodiment of the present invention;
FIG. 4 is a schematic view of the top view structure of the utility model in use;
in the figure: the utility model discloses (also called bell-type distributing device) 1, blast furnace end shell 2, ripple compensator 3, lower close valve 4, close material valve 5 down, material jar 6, go up close valve 7, go up close material valve 8, hopper 9, pull rod 10, pull rod drive arrangement 11, sealing device 12, spherical universal connecting device 13, distributing clock body shell 14, distributing clock body 15, access door 16, stock rod pipe 17, ignition hole 18, connecting bolt 19, spheroid 20.
Detailed Description
The invention will be further explained by way of example with reference to the accompanying drawings.
A bell-type distributing device of small-sized blast furnace bell-less feeding equipment comprises a bell-type distributor 1, a blast furnace end shell 2, a corrugated compensator 3, a lower sealing valve 4, a lower sealing blocking material valve 5, a charging bucket 6, an upper sealing valve 7, an upper sealing blocking material valve 8 and a receiving hopper 9, wherein the bell-type distributor 1 is arranged in the blast furnace end shell 2, and the lower sealing valve 4, the lower sealing blocking material valve 5, the charging bucket 6, the upper sealing valve 7, the upper sealing blocking material valve 8 and the receiving hopper 9 are sequentially arranged above the blast furnace end shell 2; the bell-type distributing device 1 comprises a pull rod 10, a pull rod driving device 11, a sealing device 12, a spherical universal connecting device 13, a distributing bell outer side shell 14 and a distributing bell body 15; the outer shell 14 of the distributing clock body is in a cone cylinder shape, the distributing clock body 15 is in a round table shape, the outer shell 14 of the distributing clock body is sleeved outside the distributing clock body 15, the distributing clock body 15 is fixedly connected with the outer shell 14 of the distributing clock body through a rib plate, and a distributing channel is formed in a gap between the outer shell 14 of the distributing clock body and the distributing clock body 15; the outer shell 14 of the distributing bell body is fixed in a blast furnace end shell through a plurality of pull rods 10, the pull rods 10 are arranged along the circumferential direction of the outer shell 14 of the distributing bell body, the lower ends of the pull rods 10 are rotatably connected with the outer shell 14 of the distributing bell body through spherical universal connecting devices 13, the upper ends of the pull rods 10 penetrate out of the blast furnace end shell 2 and are in driving connection with pull rod driving devices 11, and sealing devices 12 are arranged between the pull rods 10 and the blast furnace end shell 2.
The ball universal connecting device 13 comprises a ball 20 fixed at the lower end of the pull rod 10 and a cavity body matched with the ball 20 and fixed on the outer shell 14 of the distributing clock body.
The plurality of tie rods 10 are all arranged in parallel with the center lines of the outer shell 14 of the cloth bell and the cloth bell 15.
The pull rod driving device 11 is electrically driven or hydraulically driven.
Referring to fig. 1-4, in this embodiment, still contain blast furnace end shell 2, corrugated compensator 3, lower close valve 4, lower close material valve 5 that keeps off, material jar 6, last close valve 7, go up close material valve 8 and hopper 9, be equipped with in blast furnace end shell 2 the utility model discloses (also called bell-type distributing device) 1, blast furnace end shell 2 top is equipped with lower close valve 4, lower close material valve 5 that keeps off, material jar 6, last close valve 7, last close material valve 8 and hopper 9 in proper order.
The number of the pull rods 10 is three.
The outer shell 14 of the distributing bell body and the distributing bell body 15 are of split assembly structures.
The shell of the blast furnace end is composed of an upper part and a lower part, wherein the upper part is in a frustum shape, and the lower part is in a cylindrical shape. An access door is arranged at the upper part of the shell of the blast furnace end. The bell-type distributor 1 is arranged below a lower sealing valve 4 of the blast furnace and is positioned inside a shell of a furnace end of the blast furnace.
The distributing bell body outer shell 14 and the distributing bell body 15 of the bell-type distributing device are both cast or welded structural members and both adopt a split structure form, and the distributing bell body outer shell 14 and the distributing bell body 15 are composed of a plurality of fan-shaped sections through connecting bolts and are replaced through an access door on the blast furnace end shell 2; various wear-resistant materials such as wear-resistant cast iron, wear-resistant alloy, wear-resistant ceramic and the like can be embedded in the surface of the cloth bell body 15; the shell on the outer side of the distributing clock body is fixed in the shell of the blast furnace end through three pull rods, the three pull rods are arranged along the circumferential direction of the shell on the outer side of the distributing clock body, the central angle between every two adjacent pull rods is 90 degrees, the pull rods can move up and down under the action of the driving device, the function of multi-directional distributing in the small blast furnace is achieved, and the distributing requirement of the small blast furnace is met. The upper end of the pull rod 10 extends out of the blast furnace end shell 2, a sealing device 12 is arranged between the blast furnace end shell 2 and the pull rod 10, the pull rod 10 is connected with a pull rod driving device 11 to realize up-and-down movement, and the pull rod driving device 11 can be an electric device or a hydraulic control device; the lower end of the pull rod 10 is fixedly connected with the ball body 20 of the cavity body of the spherical universal connecting device, so that the rotation in any direction can be realized; the spherical universal connecting device 13 is not limited to the forms of forging, casting and the like, and the inside of the joint of the spherical universal connecting device 13 and the ball 20 at the bottom of the pull rod 10 is a spherical cavity structure. An access door 16 is arranged on the shell 2 of the blast furnace end, which is convenient for the maintenance of the distributing clock body 15.
The charging sequence and process of the small blast furnace bell-less top equipment are basically consistent with those of the large blast furnace, the difference is that the small blast furnace is not provided with a rotary distributor and is replaced by a bell-type distributing device, the normal installation and working height of the bell-type distributing device are basically consistent with the position of opening and discharging the large bell of the small blast furnace top equipment, the position can be adjusted up and down by taking the position as a reference, if the edge of the blast furnace is required to be distributed with more material, three pull rods are simultaneously lifted, the distributing bell body is in a high position, and more material which slides down from the distributing bell body can be arranged at the edge of the blast furnace; if more material is required to be distributed in the center of the blast furnace, the three pull rods are lowered at the same time, the material distributing clock body is in a low position, and more material falling from the material distributing clock body is arranged close to the center of the blast furnace; when the material is distributed to one position of the blast furnace, one or two pull rods can be kept to be not moved, two or one pull rod is moved, the material distributing bell body can incline to the material distributing position, and more material falling from the material distributing bell body can be distributed in the position, so that the operation requirement of the blast furnace is met.
Claims (5)
1. The utility model provides a small-size blast furnace does not have bell equipment distributing device which characterized in that: comprises a pull rod (10), a pull rod driving device (11), a sealing device (12), a spherical universal connecting device (13), a distributing clock body outer side shell (14) and a distributing clock body (15); the outer shell (14) of the distributing clock body is in a cone cylinder shape, the distributing clock body (15) is in a round table shape, the outer shell (14) of the distributing clock body is sleeved outside the distributing clock body (15), the distributing clock body (15) is fixedly connected with the outer shell (14) of the distributing clock body through a rib plate, and a distributing channel is formed by a gap between the outer shell (14) of the distributing clock body and the distributing clock body (15); the distributing clock body outer side shell (14) is fixed in a blast furnace end shell through a plurality of pull rods (10), the pull rods (10) are arranged along the circumferential direction of the distributing clock body outer side shell (14), the lower ends of the pull rods (10) are rotatably connected with the distributing clock body outer side shell (14) through spherical universal connecting devices (13), the upper ends of the pull rods (10) penetrate out of the blast furnace end shell (2) and are in driving connection with pull rod driving devices (11), and sealing devices (12) are arranged between the pull rods (10) and the blast furnace end shell (2).
2. The distributing device of small-sized blast furnace bell-less equipment according to claim 1, characterized in that: the spherical universal connecting device (13) comprises a sphere (20) fixed at the lower end of the pull rod (10) and a cavity body which is fixed on the outer shell (14) of the cloth clock body and matched with the sphere (20).
3. The distributing device of small-sized blast furnace bell-less equipment according to claim 1, characterized in that: the pull rods (10) are all arranged in parallel with the central lines of the outer shell (14) of the distributing bell body and the distributing bell body (15).
4. The distributing device of small-sized blast furnace bell-less equipment according to claim 1, characterized in that: the pull rod driving device (11) is electrically driven or hydraulically driven.
5. The small-sized blast furnace bell-less equipment distributing device according to claim 1 or 2, characterized in that: the number of the pull rods (10) is three; the outer shell (14) of the distributing bell body and the distributing bell body (15) are of split assembly structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921990503.2U CN210856186U (en) | 2019-11-18 | 2019-11-18 | Small-size blast furnace does not have bell equipment distributing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921990503.2U CN210856186U (en) | 2019-11-18 | 2019-11-18 | Small-size blast furnace does not have bell equipment distributing device |
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| Publication Number | Publication Date |
|---|---|
| CN210856186U true CN210856186U (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921990503.2U Active CN210856186U (en) | 2019-11-18 | 2019-11-18 | Small-size blast furnace does not have bell equipment distributing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110643770A (en) * | 2019-11-18 | 2020-01-03 | 秦皇岛中青冶金阀门有限公司 | Material distribution device and method for small blast furnace bell-less equipment |
-
2019
- 2019-11-18 CN CN201921990503.2U patent/CN210856186U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110643770A (en) * | 2019-11-18 | 2020-01-03 | 秦皇岛中青冶金阀门有限公司 | Material distribution device and method for small blast furnace bell-less equipment |
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