CN219140786U

CN219140786U - Sealing device suitable for between incinerator and exhaust-heat boiler

Info

Publication number: CN219140786U
Application number: CN202223418245.5U
Authority: CN
Inventors: 袁朝文; 牟江云; 江兴; 赵银杏; 李淑仙; 王仲君; 周崇伟; 郑江龙
Original assignee: Sichuan Chuanguo Boiler Co Ltd
Current assignee: Sichuan Chuanguo Boiler Co Ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-06-06
Anticipated expiration: 2032-12-20

Abstract

The utility model relates to the technical field of sealing devices, and provides a sealing device suitable for use between an incinerator and a waste heat boiler, which comprises a first steel plate, a second steel plate and sealing cloth, wherein the first steel plate and the second steel plate are arranged oppositely, the first steel plate is fixedly connected with the inner wall of the incinerator, the second steel plate is fixedly connected with a hearth water-cooled wall in the waste heat boiler through a third steel plate, the sealing cloth is arranged between the first steel plate and the second steel plate, and two sides of the sealing cloth are respectively connected with the first steel plate and the second steel plate. The sealing device suitable for the incinerator and the waste heat boiler provided by the utility model has the advantages that when the incinerator and the waste heat boiler expand, the sealing cloth can absorb the expansion amounts, and the sealing cloth can also play a role in sealing, so that the smoke leakage between the incinerator and the waste heat boiler is avoided.

Description

Sealing device suitable for between incinerator and exhaust-heat boiler

Technical Field

The utility model relates to the technical field of sealing devices, in particular to a sealing device suitable for an incinerator and a waste heat boiler.

Background

The waste heat boiler project is more and more in China under the influence of the garbage surrounding city, has good development prospect, and along with the development of garbage classification, the garbage heat value is higher, and more waste heat boilers adopt a hearth water-cooled wall structure.

In the prior art, in a garbage incineration power plant, a waste heat boiler is positioned at the upper part of an incinerator, and steam is generated by utilizing the heat of flue gas discharged by the incinerator, so that the waste heat boiler is an integral part of the power plant. However, the connection part of the incinerator and the waste heat boiler has the characteristic of high flue gas temperature, which can lead to large expansion of the incinerator and the waste heat boiler, thereby affecting the sealing effect between the incinerator and the waste heat boiler and causing flue gas leakage.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide a sealing device suitable for the space between an incinerator and a waste heat boiler so as to solve the problems in the background art.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a sealing device suitable for burn between furnace and the exhaust-heat boiler, includes first steel sheet, second steel sheet and sealing cloth, first steel sheet with the second steel sheet sets up relatively, first steel sheet with burn the inner wall fixed connection of furnace, through third steel sheet fixed connection between the furnace water-cooling wall in second steel sheet and the exhaust-heat boiler, the sealing cloth sets up first steel sheet with between the second steel sheet, the both sides of sealing cloth respectively with first steel sheet with the second steel sheet is connected.

Further, the sealing cloth further comprises a fourth steel plate and a fifth steel plate, the fourth steel plate and the fifth steel plate are arranged on the inner side of the sealing cloth, the fourth steel plate is fixedly connected with the first steel plate, the fifth steel plate is fixedly connected with the second steel plate, and first aluminum silicate cotton is filled between the fourth steel plate and the fifth steel plate.

Further, the first steel plate and the second steel plate are both provided with connecting components, each connecting component comprises a base plate, a pressing plate and a bolt, each base plate is fixedly installed on the corresponding first steel plate or the corresponding second steel plate, the sealing cloth is placed on the corresponding base plate, the corresponding pressing plate is placed on the corresponding sealing cloth, the corresponding bolt is arranged on the corresponding pressing plate, and the threaded end of the corresponding bolt penetrates through the corresponding pressing plate and then is in threaded fit with the corresponding base plate.

Further, the sealing cloth is aluminum foil glass fiber cloth.

Further, second aluminum silicate cotton is filled among the first steel plate, the second steel plate, the third steel plate, the fourth steel plate, the fifth steel plate, the inner wall of the incinerator and the hearth water-cooled wall.

Further, the furnace water cooling wall comprises a sixth steel plate, and the sixth steel plate is fixedly connected with the third steel plate and the furnace water cooling wall.

The utility model has the beneficial effects that: the sealing device suitable for the incinerator and the waste heat boiler provided by the utility model has the advantages that when the incinerator and the waste heat boiler expand, the sealing cloth can absorb the expansion amounts, and the sealing cloth can also play a role in sealing, so that the smoke leakage between the incinerator and the waste heat boiler is avoided.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the device;

FIG. 2 is a schematic cross-sectional view of FIG. 1 along the direction A-A;

fig. 3 is a schematic view of a partial enlarged structure of fig. 2.

Reference numerals: 10-incinerator, 20-waste heat boiler, 21-water-cooled wall, 31-first steel plate, 32-second steel plate, 33-third steel plate, 34-fourth steel plate, 35-fifth steel plate, 36-sixth steel plate, 40-sealing cloth, 50-connecting component, 51-backing plate, 52-pressing plate, 53-bolt, 60-first aluminum silicate cotton and 70-second aluminum silicate cotton.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

In the present application, unless explicitly specified and limited otherwise, the terms "coupled," "affixed" and "fixedly attached" are to be construed broadly, and may be, for example, fixedly attached, detachably attached, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present application, it should be understood that the terms "longitudinal," "transverse," "horizontal," "top," "bottom," "upper," "lower," "inner" and "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. In the description of the present utility model, the meaning of "plurality" is two or more unless specifically defined otherwise.

As shown in fig. 1 to 3, the present utility model provides a sealing device suitable for use between an incinerator and a waste heat boiler, comprising a first steel plate 31, a second steel plate 32, and a sealing cloth 40. The first steel plate 31 and the second steel plate 32 are oppositely arranged along the transverse direction, the first steel plate 31 is fixedly connected with the inner wall of the incinerator 10, and the second steel plate 32 is fixedly connected with the hearth water wall 21 in the waste heat boiler 20 through the third steel plate 33. The sealing cloth 40 is disposed between the first steel plate 31 and the second steel plate 32, and both sides of the sealing cloth 40 are connected to the first steel plate 31 and the second steel plate 32, respectively.

When the incinerator 10 and the exhaust-heat boiler 20 are expanded, the sealing cloth 40 can be bent and contracted adaptively so that the expansion amount can be absorbed, and the sealing cloth 40 can also play a role in sealing to prevent the outward leakage of the flue gas between the incinerator 10 and the exhaust-heat boiler 20.

The device can be arranged in a segmented manner along the circumference of the hearth water wall 21 and assembled in a segmented manner on site, the width of the second steel plate 32 can be adjusted according to the widths of different hearth water walls 21, the structure is simple, the installation is convenient, the width and the segmented length of the second steel plate 32 only need to be adjusted according to different projects, and the modification is convenient.

In one embodiment, further comprising fourth and

fifth steel plates

34 and 35, each of the fourth and

fifth steel plates

34 and 35 is disposed inside the sealing cloth 40. The fourth steel plate 34 is fixedly connected to the first steel plate 31, and the fifth steel plate 35 is fixedly connected to the second steel plate 32. The first aluminum silicate cotton 60 is stuffed between the fourth steel plate 34 and the fifth steel plate 35. The first aluminum silicate cotton 60 can isolate a large amount of high-temperature smoke from contacting with the sealing cloth 40, so that the steel plate used by the device can be made of carbon steel, and the cost is greatly saved.

In one embodiment, the first steel plate 31 and the second steel plate 32 are each provided with a connection assembly 50, and the connection assembly 50 includes a backing plate 51, a pressing plate 52, and a bolt 53. The pad 51 is fixedly installed on the first steel plate 31 or the second steel plate 32, the sealing cloth 40 is placed on the pad 51, and the pressing plate 52 is placed on the sealing cloth 40. The bolts 53 are provided on the pressing plate 52, and the threaded ends of the bolts 53 pass through the pressing plate 52 and the sealing cloth 40 and then are in threaded engagement with the backing plate 51.

The sealing cloth 40 is connected by the bolts 53, so that the sealing cloth 40 can be well pressed without leakage of smoke, the field installation and the maintenance and replacement of the sealing cloth 40 in the future are facilitated, and the proper width of the sealing cloth 40 can be selected according to different expansion amounts.

In one embodiment, the sealing cloth 40 is aluminum foil fiberglass cloth. The aluminum foil glass fiber cloth has the characteristics of large longitudinal and transverse tensile strength, air impermeability, water impermeability and good sealing performance, and can perfectly solve the problem of large expansion between the incinerator 10 and the waste heat boiler 20.

In one embodiment, a second aluminum silicate wool 70 is packed between the first steel plate 31, the second steel plate 32, the third steel plate 33, the fourth steel plate 34, the fifth steel plate 35, the inner wall of the incinerator 10, and the furnace water wall 21. The second aluminum silicate wool 70 may further insulate a substantial amount of the high temperature flue gas from contact with the sealing cloth 40.

In one embodiment, the furnace further comprises a sixth steel plate 36, and the sixth steel plate 36 is fixedly connected with the third steel plate 33 and the furnace water wall 21. The sixth steel plate 36 supports the third steel plate 33 and serves to strengthen rigidity.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. Sealing device suitable for between incinerator and exhaust-heat boiler, its characterized in that: including first steel sheet, second steel sheet and sealing cloth, first steel sheet with the second steel sheet sets up relatively, first steel sheet with the inner wall fixed connection of incinerator, through third steel sheet fixed connection between the furnace water-cooling wall in second steel sheet and the exhaust-heat boiler, sealing cloth sets up first steel sheet with between the second steel sheet, sealing cloth's both sides respectively with first steel sheet with the second steel sheet is connected.

2. A sealing device suitable for use between an incinerator and a waste heat boiler according to claim 1, wherein: the novel aluminum silicate sealing cloth comprises sealing cloth, and is characterized by further comprising a fourth steel plate and a fifth steel plate, wherein the fourth steel plate and the fifth steel plate are both arranged on the inner side of the sealing cloth, the fourth steel plate is fixedly connected with the first steel plate, the fifth steel plate is fixedly connected with the second steel plate, and first aluminum silicate cotton is filled between the fourth steel plate and the fifth steel plate.

3. A sealing device suitable for use between an incinerator and a waste heat boiler according to claim 1, wherein: the connecting assembly comprises a base plate, a pressing plate and bolts, wherein the base plate is fixedly installed on the first steel plate or the second steel plate, sealing cloth is placed on the base plate, the pressing plate is placed on the sealing cloth, the bolts are arranged on the pressing plate, and threaded ends of the bolts penetrate through the pressing plate and the sealing cloth and then are in threaded fit with the base plate.

4. A sealing device suitable for use between an incinerator and a waste heat boiler according to claim 1, wherein: the sealing cloth is aluminum foil glass fiber cloth.

5. A sealing device suitable for use between an incinerator and a waste heat boiler according to claim 2, wherein: and second aluminum silicate cotton is filled between the first steel plate, the second steel plate, the third steel plate, the fourth steel plate, the fifth steel plate, the inner wall of the incinerator and the hearth water-cooled wall.

6. A sealing device suitable for use between an incinerator and a waste heat boiler according to claim 1, wherein: the furnace water cooling wall comprises a furnace water cooling wall, a furnace water cooling wall and a third steel plate.