CN217383809U

CN217383809U - Elastic compensation sealing device for lower part of circular cooler

Info

Publication number: CN217383809U
Application number: CN202221213938.8U
Authority: CN
Inventors: 谢晓丽; 侯天成; 杨相彬; 宋晓阳; 催博利; 宁冰
Original assignee: TANGSHAN HEAVY EQUIPMENT GROUP CO Ltd
Current assignee: TANGSHAN HEAVY EQUIPMENT GROUP CO Ltd
Priority date: 2022-05-20
Filing date: 2022-05-20
Publication date: 2022-09-06
Anticipated expiration: 2032-05-20

Abstract

The utility model discloses a cold quick-witted lower part elastic compensation sealing device of ring. An elastic compensation sealing device is arranged between a top plate of the sealing support and a bottom plate of the circular cooler trolley, the elastic compensation sealing device sequentially comprises a guide plate, a labyrinth sealing plate, an elastic compensation sealing structure and an outer side sealing structure from inside to outside, the lower end of the guide plate is fixedly connected with the bottom plate, and the upper end of the guide plate is inclined inwards; the upper end of the labyrinth sealing plate is connected with the bottom plate through the upper fixing plate, and a gap is reserved between the lower end of the labyrinth sealing plate and the top plate; the elastic compensation sealing structure comprises an elastic plate and a first connecting plate, wherein the elastic plate is fixedly connected with the bottom plate, the section of the elastic plate is U-shaped and horizontally arranged, the upper plate edge of the elastic plate is connected with the first connecting plate, and the lower plate edge of the elastic plate is provided with a steel wire brush which is in contact sealing with the top plate. The utility model discloses a sealed effectual, good contact nature is sealed in can effectual assurance installation, the operation, can realize the adjustment of wearability again, increase of service life.

Description

Elastic compensation sealing device for lower part of circular cooler

Technical Field

The utility model relates to a cold machine of ring, especially a cold quick-witted lower part elastic compensation sealing device of ring.

Background

The circular cooler is a device for cooling hot sintering ore for iron making, and in the working process of the circular cooler, the circular cooler ensures that cooling air continuously and effectively passes through a material layer to finish efficient cooling, whether the cooling of the sintering ore reaches the standard or not and directly influences the product quality and the production efficiency of a steel mill; the quality of the cooled high-temperature flue gas is ensured, high-quality high-temperature flue gas is provided for enterprises so as to facilitate waste heat utilization, and the operation benefit is increased; the good upper sealing can not only ensure the quality of the high-temperature flue gas, but also prevent the high-temperature flue gas from escaping and the medium-low temperature flue gas from diffusing, maintain good working condition environment and bring good social benefits to enterprises.

At present, the lower part of the ring cooling machine is sealed mainly by adopting a spring as a sealing compensation element, and the pressure is overlarge during the initial use, so that the initial abrasion of a sealing element is quicker, the later elastic force is reduced, the sealing is not tight, and the frequent adjustment is needed. The utility model discloses a cold quick-witted flexible sealing device of ring is published to the chinese utility model that the bulletin number is CN203550618U, this utility model adopts pretension spring and flexible closing plate, and this utility model has the problem that initial stage wearing and tearing are very fast and later stage is sealed not tight equally.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the technical problem and provide a cold quick-witted lower part elastic compensation sealing device of ring, guarantee sealed effect, improve life.

The utility model provides a its technical problem, the technical scheme of adoption is:

an elastic compensation sealing device for the lower part of a ring cooling machine is characterized in that a sealing support is arranged below a ring cooling machine trolley, a horizontal top plate is annularly arranged at the upper end of the sealing support, an elastic compensation sealing device is arranged between the top plate and a bottom plate of the ring cooling machine trolley, the elastic compensation sealing device sequentially comprises a guide plate, a labyrinth sealing plate, an elastic compensation sealing structure and an outer side sealing structure from inside to outside, the lower end of the guide plate is fixedly connected with the bottom plate, and the upper end of the guide plate is inclined inwards; the upper end of the labyrinth sealing plate is connected with the bottom plate through the upper fixing plate, and a gap is reserved between the lower end of the labyrinth sealing plate and the top plate; the elastic compensation sealing structure comprises an elastic plate and a first connecting plate, wherein the elastic plate is fixedly connected with the bottom plate, the section of the elastic plate is U-shaped and horizontally arranged, the upper plate edge of the elastic plate is connected with the first connecting plate, and the lower plate edge of the elastic plate is provided with a steel wire brush which is in contact sealing with the top plate.

Adopt above-mentioned technical scheme the utility model discloses compare with prior art, beneficial effect is:

the sealing effect is good, the U-shaped elastic plate can effectively ensure good contact sealing in installation and operation, the adjustment of abrasiveness can be realized, and the service life is prolonged; the labyrinth sealing plate, the steel wire brush and the elastic plate form a labyrinth to further enhance the flow blocking effect and enhance the sealing effect, and the guide plate is arranged on the inner side of the seal to form integral seal with the outer side sealing structure; the guide plate not only realizes the cooling air guide, but also prevents the occurrence of irreversible damage caused by the fact that large materials enter the inside of the seal.

Further, the utility model discloses an optimization scheme is:

the outer side sealing structure comprises an outer side rubber curtain, a second connecting plate and a sealing ring, the sealing ring is sleeved on the outer peripheral face of the top plate, the upper end of the outer side rubber curtain is connected with the bottom plate through the second connecting plate, and the lower end of the outer side rubber curtain is lapped on the outer peripheral face of the sealing ring.

And a gap is reserved between the upper end of the guide plate and the bottom plate.

The upper part of the opening end of the upper plate edge of the elastic plate is provided with a vertical part which is perpendicular to the upper plate edge, and the vertical part is connected with the first connecting plate.

The open end of the elastic plate faces inwards.

The sealing ring is of an arc plate assembly structure.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view at A of FIG. 1;

fig. 3 is a schematic view of an elastic plate according to an embodiment of the present invention.

In the figure: a ring cooler trolley 1; a bottom plate 1-1; a sealing bracket 2; 2-1 of a side plate; a top plate 2-2; a baffle 3; a labyrinth sealing plate 4; an upper fixing plate 4-1; an elastic compensation seal structure 5; a first connecting plate 5-1; 5-2 of an elastic plate; upper plate edges 5-2-1; the lower plate edge is 5-2-2; a connecting part 5-2-3; 5-3 parts of a steel wire brush; an outer seal structure 6; 6-1 of a sealing ring; an outer rubber curtain 6-2; second connecting plate 6-3.

Detailed Description

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

Referring to fig. 1 and 2, in the embodiment, the lower elastic compensation sealing device of the ring cooling machine is characterized in that a bottom plate 1-1 is installed at the bottom of a trolley body of a trolley 1 of the ring cooling machine, a sealing support 2 is located below the trolley 1 of the ring cooling machine, the cross section of the sealing support 2 is U-shaped, annular top plates 2-2 are installed at the upper ends of side plates 2-1 on two sides of the sealing support 2, the top plates 2-2 are horizontally arranged, and the top plates 2-2 correspond to the bottom plate 1-1.

An elastic compensation sealing device is arranged between a top plate 2-2 of the sealing support 2 and a bottom plate 1-1 of the circular cooler trolley 1, and the elastic compensation sealing device sequentially comprises a guide plate 3, a labyrinth sealing plate 4, an elastic compensation sealing structure 5 and an outer side sealing structure 6 from inside to outside. The lower end of the guide plate 3 is welded with the inner side surface of the bottom plate 1-1, the upper end of the guide plate 3 inclines inwards, a gap is reserved between the upper end of the guide plate 3 and the bottom plate 1-1, and the guide plate 3 is made of steel. The guide plate 3 realizes the flow guide of cooling air and prevents large materials from entering the inside of the seal to cause irreversible damage. The upper end of the labyrinth seal plate 4 is connected with an upper fixing plate 4-1 through bolts, the upper fixing plate 4-1 is welded with a bottom plate 1-1, a gap is reserved between the lower end of the labyrinth seal plate 4 and a top plate 2-2, the labyrinth seal plate 4 is made of non-metal, and the labyrinth seal plate 4 is preferably made of high-temperature-resistant rubber.

The elastic compensation sealing structure 5 mainly comprises a first connecting plate 5-1, an elastic plate 5-2 (shown in figure 3) and a steel wire brush 5-3, wherein the section of the elastic plate 5-2 is U-shaped, two plate edges of the elastic plate 5-2 are horizontally arranged, the opening ends of the two plate edges are inward, the end part of the upper plate edge 5-2-1 of the elastic plate 5-2 is provided with a connecting part 5-2-3 vertical to the upper plate edge 5-2-1, the connecting part 5-2-3 is connected with the vertical part of the first connecting plate 5-1 with an angular section through a bolt, the horizontal part of the first connecting plate 5-1 is welded with the bottom plate 1-1, and the elastic plate 5-2 is made of spring steel. The bottom surface of the end part of the lower plate edge 5-2-2 of the first connecting plate 5-1 is provided with a steel wire brush 5-3, the steel wire brush 5-3 is composed of an inverted U-shaped groove plate and a steel wire, the groove plate is welded with the open end of the lower plate edge 5-2-2 of the first connecting plate 5-1, the lower end of the steel wire and the top plate 2-2 form contact sealing, and the steel wire brush 5-3 is made of stainless steel. The labyrinth sealing plate 4, the elastic plate 5-2 and the steel wire brush 5-3 form a labyrinth, so that the flow choking effect is further enhanced, and the sealing effect is enhanced.

The outer side sealing structure 6 mainly comprises a sealing ring 6-1, an outer side rubber curtain 6-2 and a second connecting plate 6-3, the sealing ring 6-1 is sleeved on the peripheral surface of the top plate 2-2, the sealing ring 6-1 is formed by assembling multi-end arc plates, a rib plate is welded between the sealing ring 6-1 and the side plate 2-1, the upper end of the outer side rubber curtain 5-2 is connected with the second connecting plate 6-3 through a bolt, the second connecting plate 6-3 is welded with the outer end of the bottom plate 1-1, and the lower end of the outer side rubber curtain 6-2 is lapped on the peripheral surface of the sealing ring 6-1. The outer rubber curtain 6-2 is arranged at the outermost side of the device and mainly used for preventing dust particles and bulk materials from being scattered. The cross section of the outer rubber curtain 6-2 can also be in an inverted Y shape, the sealing inner limb at the lower end of the outer rubber curtain 6-2 is in contact sealing with the top plate 2-2, and the sealing outer limb at the lower end of the outer rubber curtain 6-2 is lapped on the outer circumferential surface of the sealing ring 6-1.

The elastic plate 5-2 of the utility model realizes automatic elastic compensation, avoids the adjustment which is time-consuming and labor-consuming and can not be used due to the installation precision error in the installation process, reduces the damage to the sealing device in the operation process, and greatly reduces the operation cost and the maintenance cost of the equipment; meanwhile, the steel wire brush 5-3 keeps good contact sealing due to the automatic elastic compensation function of the elastic plate 5-2, the utilization rate of cooling air is improved to the maximum extent, the energy consumption of a fan is reduced, and the energy waste is reduced. Airflow enters the U-shaped groove of the elastic plate 5-2 to form pressure on two plate edges of the elastic plate 5-2, so that the two plate edges generate tension to assist the elastic compensation function.

The guide plate 3, the labyrinth sealing plate 4, the outer rubber curtain 6-2 and the steel brush 5-2 are sealed to form a labyrinth, the flow blocking function is further increased, the sealing effect is enhanced, metal and non-metal sealing combination is formed, the contact and non-contact sealing are alternately distributed, the sealing effect is enhanced, dust pollution is reduced, the sealing is protected from being damaged by large materials, the cooling efficiency is improved, a good working condition environment is guaranteed, the service life of the sealing device is prolonged, the operation benefit of an enterprise is improved, the maintenance cost and the operation cost are reduced, meanwhile, the good working condition environment is guaranteed, and good social benefits are formed.

The above description is only a preferred and practical embodiment of the present invention, and not intended to limit the scope of the present invention, and all structural equivalents made by using the contents of the specification and drawings are included in the scope of the present invention.

Claims

1. The utility model provides a cold quick-witted lower part elastic compensation sealing device of ring, the below of the cold quick-witted platform truck of ring is equipped with sealing support, the horizontal roof that the upper end ring of sealing support was established is equipped with elastic compensation sealing device, its characterized in that between the bottom plate of this roof and the cold quick-witted platform truck of ring:

the elastic compensation sealing device comprises a guide plate, a labyrinth sealing plate, an elastic compensation sealing structure and an outer side sealing structure from inside to outside in sequence, the lower end of the guide plate is fixedly connected with the bottom plate, and the upper end of the guide plate inclines inwards; the upper end of the labyrinth sealing plate is connected with the bottom plate through the upper fixing plate, and a gap is reserved between the lower end of the labyrinth sealing plate and the top plate;

the elastic compensation sealing structure comprises an elastic plate and a first connecting plate, wherein the elastic plate is fixedly connected with the bottom plate, the section of the elastic plate is U-shaped and horizontally arranged, the upper plate edge of the elastic plate is connected with the first connecting plate, and the lower plate edge of the elastic plate is provided with a steel wire brush which is in contact sealing with the top plate.

2. The lower elastic compensation sealing device of the circular cooler according to claim 1, characterized in that: the outer side sealing structure comprises an outer side rubber curtain, a second connecting plate and a sealing ring, the sealing ring is sleeved on the outer peripheral face of the top plate, the upper end of the outer side rubber curtain is connected with the bottom plate through the second connecting plate, and the lower end of the outer side rubber curtain is lapped on the outer peripheral face of the sealing ring.

3. The lower elastic compensation sealing device of the circular cooler according to claim 1, characterized in that: and a gap is reserved between the upper end of the guide plate and the bottom plate.

4. The lower elastic compensation sealing device of the circular cooler according to claim 1, characterized in that: the upper part of the opening end of the upper plate edge of the elastic plate is provided with a vertical part which is perpendicular to the upper plate edge, and the vertical part is connected with the first connecting plate.

5. The lower elastic compensation sealing device of the circular cooler according to claim 1, characterized in that: the open end of the elastic plate faces inwards.

6. The lower elastic compensation sealing device of the circular cooler according to claim 2, characterized in that: the sealing ring is of an arc plate assembly structure.