WO2009030177A1

WO2009030177A1 - A circularly cooling machine, and the sealing unit for the pallet of circular cooling machine

Info

Publication number: WO2009030177A1
Application number: PCT/CN2008/072250
Authority: WO
Inventors: Deliang Gao
Original assignee: Zhongye Changtian International Engineering Co., Ltd.
Priority date: 2007-09-03
Filing date: 2008-09-03
Publication date: 2009-03-12
Also published as: CN101118119B; CN101118119A

Abstract

A sealing unit for sealing circularly cooling machine pallet (10) includes sealing devices for preventing cold air leakage. The sealing devices are separately installed on the positions of the bottom lower plate (12) of pallet (10) which contact with the inner and outer side sealing walls (13, 14) and the left and right support beams (31, 32) of special-shaped beam (30) of the pallet (10). The sealing devices installed on the position of the bottom lower plate (12) which contact with the inner and outer sealing walls (13,14) and the left support beam (31,32) of special-shaped beam (30) are the first sealing device (20). And the first sealing device (20) has a crossbeam (24) and a support (23) which are connected with each other in right angle. An elastic sealing member (33) is fixedly installed outside of the support (23). The lower end of the sealing member (33) clings to the bottom lower plate (12). The height of sealing member (33) is slightly larger than the height of the lower end of the support (23) to the crossbeam (24). A circularly cooling machine is also provided. The sealing unit can prevent the dispersed material from abrading and burning the sealing device, assure the sealing performance and improve the cooling effect of material.

Description

The invention relates to a ring cooler and a sealing unit for a ring cooler trolley. The application is submitted to the Chinese Patent Office on September 3, 2007, and the application number is 200710035671.1. The invention name is "a type of ring cooler trolley. The priority of the Chinese Patent Application for the Sealing Structure of a Unitic Sealing Device, the entire contents of which is incorporated herein by reference.

Technical field

The invention relates to the field of iron and steel smelting, in particular to a ring cooler, and a sealing unit for the ring cooler trolley to prevent the trolley from leaking air when cooling the material.

Background technique

In steel smelting, the ring cooler trolley is used to cool the sintered material, and the ring cooler trolley is a three-dimensional structure with a closed atmosphere. Referring to Fig. 1, a longitudinal sectional view of a conventional ring cooler trolley includes a triangular beam 11, a raft 12, and a trolley body 13 on which the material is laid. During cooling operation, cold air is blown into the body 13 from the lower bellows, and then enters the material layer through the raft 12, and is completely exchanged with the material and discharged from above the material.

Because the trolley needs to rotate in the ring cooler, it is difficult to achieve sealing between the trolley and the bellows, resulting in low utilization of cold air and affecting material cooling.

Summary of the invention

The technical problem to be solved by the present invention is to provide a ring cooler which can prevent the scattered material from burning the sealing device, ensure the sealing property, and improve the cooling effect of the material.

The invention also provides a sealing unit for a ring cooler trolley, which can prevent the material from burning the seal and ensure the sealing property.

The invention relates to a sealing unit for a ring cooler trolley. The sealing unit comprises an inner sealing plate, an outer sealing plate, and a left supporting beam and a right supporting beam of the annular beam in contact with the lower plate. A sealing device that is provided to prevent leakage of cold air.

Preferably, the inner sealing plate, the outer sealing plate, and the sealing device disposed at a position where the left support of the profiled beam is in contact with the lower plate is a first sealing device; the first sealing device comprises a beam and a bracket connected at right angles, The outer side of the bracket is fixedly fitted with a sealing member of an elastic material, and the lower end of the sealing member is closely attached to the lower layer plate, and the height of the sealing member is slightly larger than the distance from the lower end surface of the bracket to the beam. Preferably, the inner side of the bracket is equipped with an ash barrier that can move up and down.

Preferably, the ash partition is provided with a guiding groove, and the guiding groove is sleeved on the pin of the bracket. Preferably, a middle portion of the sealing member and an outer side of the bracket are provided with screw holes through which the screws pass to lock the sealing member to the bracket.

Preferably, the central portion of the front end face of the sealing member is recessed inward.

Preferably, the sealing device disposed at the position where the right support of the profiled beam is in contact with the lower plate is a second sealing device; the second sealing device comprises a beam and a bracket connected at right angles, and the bracket is in contact with the lower plate A sealing member of an elastic material is fixedly attached to the outer side of the bracket, and the lower end of the sealing member is closely attached to the lower layer flat plate.

A ring cooler of the present invention comprises a plurality of annularly connected ring cooler trolleys, each of which is provided with a sealing unit, and the sealing unit comprises an inner sealing plate, an outer sealing plate, and an outer sealing plate of the ring cooler trolley; The sealing device of the left support beam and the right support beam of the profiled beam and the lower support plate are respectively arranged to prevent leakage of cold air.

Preferably, the inner sealing plate, the outer sealing plate, and the sealing device disposed at a position where the left support of the profiled beam is in contact with the lower plate is a first sealing device; the first sealing device comprises a beam and a bracket connected at right angles, The outer side of the bracket is fixedly fitted with a sealing member of an elastic material, and the lower end of the sealing member is closely attached to the lower layer plate, and the height of the sealing member is slightly larger than the distance from the lower end surface of the bracket to the beam.

Compared with the prior art, the present invention has the following advantages:

In the present invention, the first sealing device and the second sealing device are respectively disposed at the contact positions of the inner sealing plate, the outer sealing plate, the left supporting beam and the right supporting beam of the profiled beam and the lower plate to realize sealing of the ring cooler trolley.

DRAWINGS

Figure 1 is a longitudinal sectional view of a conventional ring cooler trolley;

Figure 2 is a top view of the ring cooler of the present invention; Figure 3 is a cross-sectional view taken along line AA of Figure 2;

Figure 4 is a cross-sectional view taken along line C-C of Figure 3;

Figure 5 is a schematic view showing the sealing of the ring-cooling machine trolley of the present invention;

Figure 6 is an enlarged view of the first sealing device of the present invention;

Figure 7 is an enlarged view of another embodiment of the first sealing device of the present invention;

Figure 8 is an enlarged view of still another embodiment of the first sealing device of the present invention;

Figure 9 is an enlarged view of the second sealing device of the present invention.

detailed description

The present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

Referring to FIG. 2, which is a top view of the ring cooler, the ring cooler includes a plurality of ring cooler trolleys 10, and the plurality of ring cooler trolleys 10 are sequentially, equidistantly, and concentrically arranged, and rotate together clockwise or counterclockwise at the same speed. . The ring cooler is sealed by a single ring cooler trolley 10 as a sealing unit. Several trucks establish several sealing units, and a side-mounted unit static sealing system composed of a plurality of sealing units is integrally formed. The cold air does not leak out during the working process of the ring cooler to ensure the cooling effect of the material.

For each ring cooler trolley 10, the front and rear sides and the left and right sides are sealed by a sealing device to ensure the tightness of each ring cooler trolley 10. Referring to Fig. 3, which is a cross-sectional view taken along line AA of Fig. 2, the ring cooler trolley 10 is a two-layer structure of a discharge layer and a ventilation layer, and a discharge layer is used for placing the sintered material, and the ventilation layer is used for ventilation, the discharge layer and The ventilation layer is spaced apart from the seesaw 11 provided with a plurality of ventilation holes. The two sides of the ring cooler trolley 10 are an inner sealing plate 13 and an outer sealing plate 14, respectively, and the inner sealing plate 13 and the outer sealing plate 14 are in contact with the lower flat plate 12 of the ring cooler trolley 10, and a first sealing device 20 is provided. . A cold air inlet 18 is provided at a lower portion of the inner seal plate 13.

Referring to Fig. 4, which is a cross-sectional view taken along line C-C of Fig. 3, the contact positions of the left support beam 31 and the right support beam 32 of the profiled beam 30 and the lower deck plate 12 are respectively provided with a first sealing device 20 and a second sealing device 21.

Referring to FIG. 5, a schematic diagram of the sealing of the single ring cooler trolley of the present invention, the length of the lower deck 12 of the trolley 10 is slightly larger than the distance between the inner seal plate 13 and the outer seal plate 14, and the width of the lower deck 12 is slightly larger than that of the profiled beam 30. The distance between the left bracket 31 and the profiled beam right bracket 32. Wherein, the inner sealing plate 13, the outer sealing plate 14, and the outer side of the left supporting beam 31 of the profiled beam 30 and the lower plate 12 are provided with a first sealing device 20, and the right supporting beam 32 of the profiled beam 30 is in contact with the lower plate 12 Outside The second sealing device 21 is disposed, and the sealing devices on the four sides of the ring cooler trolley 10 are connected and closed to achieve sealing of the four sides of the ring cooler trolley 10.

Referring to FIG. 6, which is an enlarged view of the first sealing device 20 of the present invention, the lower portion of the ring cooler trolley 10 is composed of a bracket 23 and a beam 24 connected at right angles, and an elastic material sealing member 33 is fixedly mounted on the outside of the bracket 23. The upper end surface of the sealing member 33 abuts against the lower end surface of the beam 24, and the lower end surface of the sealing member 33 abuts against the lower plate 12 of the trolley.

In the present invention, the elastic material sealing member 33 is fixedly mounted on the outer side of the bracket 23, and the lower end surface of the sealing member 33 is in close contact with the lower layer flat plate 12 of the trolley. Thus, by the elasticity of the sealing member 33, the sealing member 33 is brought into close contact with the lower flat plate 12, and the bracket 23 is sealed in contact with the lower flat plate 12 to prevent the cold air from being exposed. The bracket 23 is blocked in front of the sealing member 33 to isolate the high temperature material scattered on the platform 12 from the sealing member 31, thereby effectively preventing the high temperature material from cauterizing the sealing member 33. Therefore, the present invention can be sealed by the seal member 33, and the high temperature material can be prevented from cauterizing the seal member 33.

The central portion of the front end face 314 of the seal member 33 is recessed inwardly so that the width of the upper end face and the lower end face is larger than the width of the intermediate portion. The structure in which the central portion is recessed inwardly does not affect the sealing effect, and the part of the material can be saved, and the sealing member 33 can be fixed to the bracket 23 from the intermediate position by screwing or the like.

A screw hole is provided in the middle of the seal member 33 and the outside of the bracket 23, and the screw passes through the screw hole to lock the sealing member 33 to the bracket 23. Since the middle portion of the sealing member 33 is recessed inward, the width of the intermediate portion is small, which facilitates the opening of the screw hole, and facilitates the mounting and dismounting of the sealing member 33.

In order to further improve the sealing effect, the sealing member 33 of the present invention can be used in an unmatched manner with the bracket 23 and the beam 24. Referring to Fig. 7, the height of the sealing member 33 is slightly larger than the distance H from the lower end surface of the bracket 23 to the beam 24, and the beam 24 presses a part of the weight of the ring cooler trolley 10 against the upper end surface of the sealing member 33, and the pressure is transmitted to the lower end surface. The lower end surface is more closely attached to the lower plate 12 to improve the sealing effect.

However, since the seal member 33 is over-matched with the bracket 23 and the cross member 24, the contact between the bracket 23 and the lower flat plate 12 is not sufficiently tight, and a gap may occur, and it is possible for the high-temperature material to cauterize the seal member 33 through the slit. As shown in FIG. 8 , the outer side of the bracket 23 is provided with an ash blocking plate 34 which can move up and down. The ash blocking plate 34 is provided with a guiding groove 36 , and the guiding groove sleeve 36 is connected to the pin 37 of the bracket 23 . The pin 37 fixes the ash spacer 34 to the inner side of the bracket 23, and the ash spacer 34 can move up and down within the width of the guide groove 36. When the inner sealing plate 13 moves relative to the lower plate 12, the gray plate 34 falls to the lower layer due to its own weight. On the flat plate 12, the slit 25 is blocked to prevent the high temperature material from cauterizing the sealing member 31 through the slit 25.

Referring to FIG. 9, which is an enlarged view of the second sealing device 21 of the present invention, the lower portion of the ring cooler trolley 10 is composed of a bracket 23 and a beam 24 connected at right angles, and an elastic material sealing member 33 is fixedly mounted on the outside of the bracket 23. The upper end surface of the sealing member 33 abuts against the lower end surface of the beam 24, and the lower end surface of the sealing member 33 abuts against the lower plate 12 of the trolley. The bracket 23 is in contact with the lower plate 12 and is pressed to function as a gray plate. Therefore, the second sealing device 21 does not need to be provided with a gray plate.

The above description of the above embodiment is only for the purpose of helping to understand the method of the present invention and its core idea for the ring cooler and the sealing unit for the ring cooler trolley provided by the present invention; The present invention is not limited by the scope of the present invention, and the details of the present invention are not limited by the scope of the present invention.

Claims

Rights request

A sealing unit for a ring cooler trolley, characterized in that the sealing unit comprises an inner sealing plate, an outer sealing plate, and a left supporting beam and a right supporting beam and a lower layer of the ring-shaped cooling machine trolley Sealing devices for the prevention of leakage of cold air, respectively, provided at the contact positions of the plates.

The sealing unit according to claim 1, wherein the inner sealing plate, the outer sealing plate, and the sealing device disposed at a position where the left support of the profiled beam is in contact with the lower plate is a first sealing device; A sealing device comprises a beam and a bracket connected at right angles, and a sealing member of elastic material is fixedly mounted on the outer side of the bracket, the lower end of the sealing member is closely attached to the lower layer plate, and the height of the sealing member is slightly larger than the bracket The distance from the lower end face to the beam.

3. The sealing unit according to claim 2, wherein the inside of the bracket is equipped with an ash barrier that can move up and down.

4. The sealing unit according to claim 3, wherein the ash spacer is provided with a guiding groove, and the guiding groove is sleeved on the pin of the bracket.

The sealing unit according to claim 2, wherein a central portion of the sealing member and an outer side of the bracket are provided with screw holes, and screws are passed through the screw holes to lock the sealing member to the On the bracket.

The sealing unit according to claim 2, wherein a central portion of the front end face of the sealing member is recessed inward.

The sealing unit according to claim 1, wherein the sealing device disposed at a position where the right support of the profiled beam is in contact with the lower plate is a second sealing device; and the second sealing device comprises a beam connected at right angles And a bracket, the bracket is in contact with the lower layer plate, and a sealing member of an elastic material is fixedly assembled on an outer side of the bracket, and a lower end of the sealing member is closely attached to the lower layer flat plate.

8. A ring cooler comprising a plurality of annularly connected ring cooler trolleys, each of which is provided with a sealing unit, wherein the sealing unit comprises an inner sealing plate and an outer side of the ring cooler trolley. The sealing plate, and the left supporting beam and the right supporting beam of the profiled beam are respectively disposed at the contact positions of the lower plate and the lower plate, and are used for preventing the leakage of the cold air.

The ring cooler according to claim 8, wherein the inner sealing plate, the outer sealing plate, and the sealing device disposed at a position where the left support of the profiled beam is in contact with the lower plate is a first sealing device; The first sealing device comprises a beam and a bracket connected at right angles, and is fixedly assembled on the outer side of the bracket The sealing member of the elastic material, the lower end of the sealing member is in close contact with the lower layer plate, and the height of the sealing member is slightly larger than the distance from the lower end surface of the bracket to the beam.

The ring cooler according to claim 8, wherein the sealing device disposed at a position where the right support of the profiled beam is in contact with the lower plate is a second sealing device; and the second sealing device comprises a right angle connection. The beam and the bracket are in contact with the lower layer plate, and a sealing member of an elastic material is fixedly mounted on the outer side of the bracket, and the lower end of the sealing member is closely attached to the lower layer plate.