CN210856184U - Blast furnace distributing chute - Google Patents
Blast furnace distributing chute Download PDFInfo
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- CN210856184U CN210856184U CN201921550798.1U CN201921550798U CN210856184U CN 210856184 U CN210856184 U CN 210856184U CN 201921550798 U CN201921550798 U CN 201921550798U CN 210856184 U CN210856184 U CN 210856184U
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Abstract
The utility model discloses a blast furnace distribution chute has solved the problem that the distribution chute shifts the difficulty among the prior art, and its technical essential is: the utility model provides a blast furnace cloth chute, includes that the cross-section in defeated material side is square and the top surface is the chute body of uncovered setting and install in this internal and the unanimous wear-resisting welt rather than the shape of chute, the chute body includes the chute unit of a plurality of end to end connections, releasable connection between the chute unit, the chute unit all with wear-resisting welt fixed connection. Through above-mentioned scheme, realized that the chute body comprises a plurality of chute unit connections, and then can shift the chute unit that the volume quality is littleer for the integral type chute when carrying the chute, and then reduce the degree of difficulty and required external condition that the transportation shifts, finally can assemble on the spot after shifting to the destination fast, realize reducing required manpower and materials etc. in the chute transportation.
Description
Technical Field
The utility model relates to the technical field of blast furnace equipment, in particular to a distribution chute of a blast furnace.
Background
The high temperature distribution chute is one of the indispensable equipment of blast furnace ironmaking, and it is bearing the task of final rotatory cloth in to the stove, because its groove face still need constantly bear the erodeing of furnace charge when the distribution chute is long-term operation under high temperature, strong corrosive gas and heavy dust environment, therefore the distribution chute after using for a period just faces the change scheduling problem.
Blast furnace cloth chute on the existing market is including the multi-structure chute of material abrasive material formula (long-pending nest formula) chute, plain noodles cloth chute and the two unification roughly, to plain noodles cloth chute, its major structure comprises casting organism, welt, clamp plate and fastener etc. the welt that the terminal surface was equipped with wear-resistant material additional is installed on the chute groove face to replaced chute and furnace charge contact, in order to prolong the life of chute.
The above prior art solutions have the following drawbacks: because the chute need possess sufficient intensity to select the great metal sheet of thickness for use in the material selection of chute often, also make the whole quality of chute great simultaneously, but the chute often is integrated into one piece or welded forming among the prior art, and then needs integrative the transfer when transporting the transfer before the installation, because its characteristics bulky, that the quality is big make the transfer condition extremely restricted and the manpower and materials that the transfer process consumes are higher, await the improvement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an assembled, convenient blast furnace distribution chute who shifts after dismantling.
The utility model discloses a can realize through following technical scheme:
the utility model provides a blast furnace cloth chute, includes that the cross-section in defeated material side is square and the top surface is the chute body of uncovered setting and install in this internal wear-resisting welt of chute, the chute body includes a plurality of end to end connection's chute unit, releasable connection between the chute unit, the chute unit all with wear-resisting welt fixed connection.
Through adopting above-mentioned technical scheme, the chute body comprises a plurality of chute unit connections, and then can shift the chute unit that the volume quality is littleer for the integral type chute when carrying the chute, and then reduce the degree of difficulty and required external condition that the transportation shifts, finally can assemble on the spot after shifting to the destination fast, realize reducing required manpower and materials etc. in the chute transportation.
Further setting the following steps: the utility model discloses a chute body, including chute body, chute unit, connecting screw, connecting groove, connecting rod, the diapire of chute unit extends in the one end of defeated material direction and is provided with the connecting plate, and the other end is seted up and is supplied another the chute unit tip the spread groove that the connecting plate was filled, the connecting plate with set up the spread groove be provided with a plurality of groups between the chute unit diapire and run through both connecting screw perpendicularly, connecting screw is in equal threaded connection has the fastener on the inside.
Through adopting above-mentioned technical scheme, make adjacent chute unit can realize the alternating expression concatenation with the help of the connecting plate and rather than the spread groove of adaptation to set up the fastener in the tip connecting plate of the crisscross butt of two chute units and spread groove department finally and be connected, have crisscross effect of supporting between the adjacent chute unit when making the connection between the chute unit swift more, make to connect more steadily.
Further setting the following steps: the connecting screw rod is located one end in the chute body vertically penetrates through the wear-resistant lining plate, and the fastening piece in the chute body is tightly abutted to the conveying surface of the wear-resistant lining plate.
Through adopting above-mentioned technical scheme, connecting screw passes wear-resisting welt to make the fastener support tightly on wear-resisting welt, realize that each chute unit connects when forming the chute body and fixes wear-resisting welt synchronous connection in the chute body, the relation of connection is more stable.
Further setting the following steps: wear-resisting welt with between the chute body threaded connection has the interval nut on the connecting screw, interval nut both ends respectively with chute unit inner wall and wear-resisting welt outer wall supports tightly.
Through adopting above-mentioned technical scheme, make with the help of the spacer nut and form thermal-insulated space between wear-resisting welt and the chute body, and then make the produced heat transfer efficiency of wear-resisting welt when the guide reduce, make chute body temperature obtain reducing, and then avoid the chute body to use the back for a long time and cause violent deformation damage because of the high fever.
Further setting the following steps: the fastening piece tightly propped against the wear-resistant lining plate is a wear-resistant nut made of wear-resistant alloy steel, and the fastening piece tightly propped against the outer wall of the chute body is a fastening nut.
Through adopting above-mentioned technical scheme, wear-resisting nut can make the mineral aggregate on the wear-resisting welt touch the striking at the whereabouts in-process, obtains preliminary breakage to but the wearing and tearing effect of branch mineral aggregate to wear-resisting welt plate body makes the life of wear-resisting welt effectively prolonged.
Further setting the following steps: the chute unit is characterized in that a plurality of mounting bolts are vertically arranged on the wear-resistant lining plate in a penetrating mode and are spaced from each other, the mounting bolts are arranged on the conveying surface of the wear-resistant lining plate in a threaded mode and tightly support the wear-resistant nuts, and the spacing nuts are tightly supported between the wear-resistant lining plate and the chute body in a threaded mode.
Through adopting above-mentioned technical scheme, with the help of the construction bolt that sets up on the wear-resisting welt and the wear-resisting nut, the interval nut at both ends, realize strengthening the wear-resisting ability of wear-resisting welt conveying face, and then make the life of wear-resisting welt effectively prolonged.
Further setting the following steps: the connecting screw and one end of the mounting bolt penetrating through the wear-resistant lining plate are both positioned in the wear-resistant nut.
Through adopting above-mentioned technical scheme, the unable direct impact of guide in-process mineral aggregate is on construction bolt or connecting screw, avoids the mineral aggregate to be blockked by too much on wear-resisting welt, makes the guide process go on fast smoothly, also realizes the protection to connecting screw and construction bolt simultaneously, makes each relation of connection comparatively stable.
Further setting the following steps: and wear-resistant metal materials are filled among the plurality of wear-resistant nuts.
Through adopting above-mentioned technical scheme, make the defeated material face wearability of wear-resisting welt stronger, wear-resisting nut is effectively protected simultaneously, avoids receiving lasting striking and damage at an excessive speed.
To sum up, the utility model discloses a beneficial technological effect does:
(1) the chute is of an assembled structure, so that the chute can be conveniently and quickly transferred in a chute unit state during transportation, and can be spliced to form a stable chute structure for use after transportation is finished;
(2) the heat insulation space is formed between the wear-resistant lining plate in the chute by means of the spacing nut and the chute, the heat transferred from the wear-resistant lining plate to the chute is reduced, the temperature of the chute in use is reduced, and the service life of the chute is prolonged.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
fig. 2 is a top view of an embodiment of the invention;
fig. 3 is a schematic partial cross-sectional view taken along line a-a of fig. 2.
Reference numerals: 1. a chute body; 2. a wear-resistant lining plate; 3. a chute unit; 4. a connecting plate; 5. connecting grooves; 6. connecting a screw rod; 7. a spacer nut; 8. a wear-resistant nut; 9. fastening a nut; 10. installing a bolt; 11. and (3) wear-resistant metal materials.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a blast furnace distribution chute, include that the cross-section in defeated material side is square, the top surface is uncovered chute body 1 that sets up and installs in chute body 1 and rather than the wear-resisting welt 2 of the unanimous shape.
Referring to fig. 2 and 3, the chute body 1 is composed of a plurality of chute units 3 connected end to end, a connecting plate 4 extends from one end surface of the bottom wall of each chute unit 3 in the conveying direction, and the connecting plate 4 is positioned at the bottom of the end surface and is flush with the bottom surface of the bottom wall of each chute unit 3; simultaneously, the other end of the material conveying direction of the bottom wall is provided with a connecting groove 5 for filling a connecting plate 4 at the end part of the next chute unit 3, the connecting groove 5 is vertically and inwards arranged from the bottom surface of the chute unit 3, the end surface of the bottom wall of the end is provided with an opening, and the depth of the groove is equal to the thickness of the connecting plate 4. And then the bottom wall of the chute unit 3 is arranged in a Z shape by the arrangement of the connecting plate 4 and the connecting groove 5, and the bottom wall can be mutually overlapped in an end-to-end staggered way. The lateral walls of the two sides of the chute unit 3 are integrally arranged on the two sides of the bottom walls of the connecting plate 4 and the chute unit 3, so that the chute body 1 is complete after the chute units 3 are lapped end to end.
Referring to fig. 3, a plurality of groups of connecting screw rods 6 which vertically penetrate through the connecting plate 4 and the bottom wall of the chute unit 3 provided with the connecting groove 5 are arranged between the connecting plate 4 and the bottom wall of the chute unit, and the connecting screw rods 6 are in threaded connection with fasteners on the inner end rod body and the outer end rod body of the chute body 1. It is worth to be noted that one end of the connecting screw rod 6, which is positioned in the chute body 1, vertically penetrates through the wear-resistant lining plate 2, and the connecting screw rod 6 penetrates through a fastener on one end of the wear-resistant lining plate 2 and is tightly abutted against the material conveying surface of the wear-resistant lining plate 2. Meanwhile, a spacing nut 7 is sleeved on the body of the connecting screw rod 6 between the wear-resistant lining plate 2 and the bottom wall of the chute unit 3 in a threaded manner, so that a heat insulation space is formed between the wear-resistant lining plate 2 and the bottom wall of the chute unit 3.
Referring to fig. 3, the fastening member includes a wear-resistant nut 8 and a fastening nut 9 respectively screwed at two ends of the connecting screw rod 6, wherein the wear-resistant nut 8 is made of wear-resistant alloy steel and abuts against the material conveying surface of the wear-resistant lining plate 2, and the fastening nut 9 abuts against the bottom surface of the bottom wall of the chute unit 3, that is, the outer surface of the bottom wall of the chute unit 3. Meanwhile, in order to enable the wear-resistant lining plates 2 to be uniformly distributed with wear-resistant nuts 8, a plurality of mounting bolts 10 which are spaced from each other are vertically arranged on the wear-resistant lining plates 2 between two ends of the chute unit 3 in a penetrating mode, the mounting bolts 10 tightly support the wear-resistant nuts 8 on the material conveying surfaces of the wear-resistant lining plates 2 through threads, spacing nuts 7 are tightly supported between the wear-resistant lining plates 2 and the chute body 1 through the threads, and two surfaces of each spacing nut 7 are tightly supported between the wear-resistant lining plates 2 and the inner walls of the chute unit 3 respectively. The end parts of the mounting bolts 10 and the connecting screw rods 6 in the wear-resistant nuts 8 are located in the wear-resistant nuts 8, wear-resistant metal materials 11 formed by wear-resistant alloy particles are poured and filled between the wear-resistant nuts 8, and the surfaces of the wear-resistant metal materials 11 are approximately flush with the surfaces of the wear-resistant nuts 8.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a blast furnace cloth chute, includes that the cross-section in defeated material side is square and the top surface is uncovered chute body (1) that sets up and install in chute body (1) and wear-resisting welt (2) rather than the shape is unanimous, its characterized in that: the chute body (1) comprises a plurality of end-to-end connected chute units (3), the chute units (3) are detachably connected, and the chute units (3) are fixedly connected with the wear-resistant lining plates (2).
2. The blast furnace distribution chute of claim 1, wherein: the one end extension of the diapire of chute unit (3) in defeated material direction is provided with connecting plate (4), and the other end is seted up and is supplied another chute unit (3) tip spread groove (5) that connecting plate (4) were filled, connecting plate (4) with set up spread groove (5) be provided with a plurality of groups between chute unit (3) the diapire and run through connecting screw rod (6) between them perpendicularly, connecting screw rod (6) are in equal threaded connection has the fastener on the inside and outside both ends body of rod of chute body (1).
3. A blast furnace distribution chute as claimed in claim 2 wherein: one end of the connecting screw rod (6) in the chute body (1) vertically penetrates through the wear-resistant lining plate (2), and the fastening piece in the chute body (1) is tightly abutted to the conveying surface of the wear-resistant lining plate (2).
4. A blast furnace distribution chute as claimed in claim 3 wherein: wear-resisting welt (2) with between chute body (1) threaded connection has interval nut (7) on connecting screw (6), interval nut (7) both ends respectively with chute unit (3) inner wall and wear-resisting welt (2) outer wall supports tightly.
5. The blast furnace distribution chute of claim 4 wherein: the fastening piece tightly propped against the wear-resistant lining plate (2) is a wear-resistant nut (8) made of wear-resistant alloy steel, and the fastening piece tightly propped against the outer wall of the chute body (1) is a fastening nut (9).
6. The blast furnace distribution chute of claim 5, wherein: between chute unit (3) both ends wear to be equipped with a plurality of mutual spaced mounting bolt (10) on wear-resisting welt (2) perpendicularly, mounting bolt (10) are in the screw thread supports tightly on the defeated material face of wear-resisting welt (2) is equipped with wear-resisting nut (8) wear-resisting welt (2) with screw thread supports tightly between chute body (1) is equipped with interval nut (7).
7. The blast furnace distribution chute of claim 6, wherein: the connecting screw rod (6) and one end of the mounting bolt (10) penetrating through the wear-resistant lining plate (2) are both positioned in the wear-resistant nut (8).
8. The blast furnace distribution chute of claim 6, wherein: and wear-resistant metal materials (11) are filled among the plurality of wear-resistant nuts (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921550798.1U CN210856184U (en) | 2019-09-17 | 2019-09-17 | Blast furnace distributing chute |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921550798.1U CN210856184U (en) | 2019-09-17 | 2019-09-17 | Blast furnace distributing chute |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210856184U true CN210856184U (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921550798.1U Active CN210856184U (en) | 2019-09-17 | 2019-09-17 | Blast furnace distributing chute |
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| CN (1) | CN210856184U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112510610A (en) * | 2020-11-21 | 2021-03-16 | 江苏永联精筑建设集团有限公司 | Assembled pipe gallery support and construction process thereof |
-
2019
- 2019-09-17 CN CN201921550798.1U patent/CN210856184U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112510610A (en) * | 2020-11-21 | 2021-03-16 | 江苏永联精筑建设集团有限公司 | Assembled pipe gallery support and construction process thereof |
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