CN217899847U

CN217899847U - Central cylinder of boiler cyclone separator with casting layer at top end

Info

Publication number: CN217899847U
Application number: CN202221928894.7U
Authority: CN
Inventors: 陈盼; 肖宏; 黄炎善; 赵思思; 李松林; 潘韦靖; 李茂扩; 杨文秀; 黄祥林
Original assignee: Guangxi Esokai New Material Technology Co ltd
Current assignee: Guangxi Esokai New Material Technology Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-11-25
Anticipated expiration: 2032-07-25

Abstract

The utility model discloses a central cylinder of a boiler cyclone separator with a casting layer at the top end, which comprises a central cylinder body, a connecting frame and a supporting ring; the fixed reinforcement in upper end periphery of center barrel, the welding has a plurality of pouring claw nail in the reinforcement, be equipped with the pouring layer in the reinforcement the bottom of reinforcement is equipped with the fixed connection spare of being connected with the support ring, fixed connection spare's transversal triangle-shaped of personally submitting. Aiming at the technical problems of the existing structure, the central cylinder of the cyclone separator of the boiler is additionally provided with a reinforcing piece with a pouring layer inside, so that the top end of the central cylinder is effectively prevented from being inwards dented due to high-temperature deformation; in addition, a fixed connecting piece is arranged between the reinforcing piece and the support ring, and the cross section of the fixed connecting piece is triangular, so that the reinforcing piece and the support ring are stably connected, the central cylinder can be stably fixed on the support ring, the central cylinder is prevented from falling off from the support ring, and the normal work of the cyclone separator is ensured.

Description

Central cylinder of boiler cyclone separator with casting layer at top end

Technical Field

The utility model relates to a cyclone's a center section of thick bamboo, concretely relates to top has a boiler cyclone center section of thick bamboo on pouring layer.

Background

The cyclone separator is one of the key parts of the circulating fluidized bed boiler, and is mainly used for separating high-temperature materials from flue gas and sending the high-temperature materials back to a hearth so as to maintain the rapid fluidized state of the hearth and ensure the combustion efficiency and the desulfurization efficiency of fuel and desulfurizer. The central cylinder is the core component of the cyclone separator, and the parameters determine the separation efficiency and the resistance level of the separator.

At present, the structure of the central cylinder of the cyclone separator is, as shown in fig. 3, composed of a cylindrical hollow central cylinder, a connecting frame is arranged on the periphery of the upper end of the central cylinder, and a support ring for fixing the central cylinder is arranged at the bottom end of the connecting frame. The high temperature flue gas that mix with the material carries out solid gas after-separating through cyclone, the high temperature material drops from the bottom of a center section of thick bamboo under the effect of self gravity, the high temperature flue gas is because steam inertia discharges from the top of a center section of thick bamboo, because the top of a center section of thick bamboo does not set up relevant high temperature deformation spare of preventing, the high temperature flue gas is direct to contact with the top of a center section of thick bamboo, the top high temperature deformation that leads to a center section of thick bamboo and inside concavity, along with the aggravation of deformation, the link also removes to the axial direction of a center section of thick bamboo, and then lead to link and support ring to break away from, cause a center section of thick bamboo to drop.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a central cylinder of a boiler cyclone separator with a pouring layer at the top end, aiming at the technical problems in the prior structure, the central cylinder of the boiler cyclone separator is additionally provided with a reinforcing piece with the pouring layer inside, the pouring layer can resist high temperature and has high strength, and the top end of the central cylinder body is effectively prevented from inwards concave shrinkage due to high-temperature deformation; in addition, a fixing connecting piece is arranged between the reinforcing piece and the support ring, and the cross section of the fixing connecting piece is triangular, so that the reinforcing piece and the support ring are stably connected, the central barrel can be stably fixed on the support ring, the central barrel is prevented from falling off from the support ring, and the normal operation of the cyclone separator is ensured.

In order to achieve the purpose, the utility model discloses the technical scheme who takes:

the boiler cyclone separator central cylinder with a casting layer at the top end is the same as the existing structure: the device comprises a cylindrical hollow central barrel, wherein a connecting frame is arranged on the periphery of the upper end of the central barrel, and a support ring for fixing the central barrel is arranged at the bottom end of the connecting frame; the difference is that: the upper end periphery of center barrel just is located the fixed reinforcement in top of link, the reinforcement is hollow inverted cone platform form, the welding has a plurality of pouring claw nail in the reinforcement, be equipped with the pouring layer in the reinforcement, the equal cladding of reinforcement and all pouring claw nails is gone on to the pouring layer, just the pouring layer is formed by the pouring of the high temperature resistant pouring material that excels in, the bottom of reinforcement is equipped with the fixed connector who is connected with the support ring, the transversal triangle-shaped form of personally submitting of fixed connector.

Compared with the prior art, the utility model discloses the beneficial effect who has:

aiming at the technical problems of the existing structure, the central cylinder of the boiler cyclone separator is additionally provided with a reinforcement with a pouring layer inside, and the pouring layer can resist high temperature and has high strength, so that the top end of the central cylinder is effectively prevented from being inwards concave due to high-temperature deformation; in addition, a fixed connecting piece is arranged between the reinforcing piece and the support ring, and the cross section of the fixed connecting piece is triangular, so that the reinforcing piece and the support ring are stably connected, the central cylinder can be stably fixed on the support ring, the central cylinder is prevented from falling off from the support ring, and the normal work of the cyclone separator is ensured.

Drawings

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

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a schematic structural diagram of a center cylinder of a conventional cyclone separator;

reference numerals: 1. the device comprises a central cylinder, 2, a connecting frame, 3 support rings, 4, a reinforcing piece, 5, a pouring claw nail, 6, a pouring layer, 7 and a fixed connecting piece.

Detailed Description

As shown in fig. 1, the utility model provides a concrete example, the top has a boiler cyclone center section of thick bamboo of pouring layer, and what the same is with current structure: the device comprises a cylindrical hollow central barrel 1, wherein a connecting frame 2 is arranged on the periphery of the upper end of the central barrel 1, and a support ring 3 for fixing the central barrel 1 is arranged at the bottom end of the connecting frame 2; the difference is that: the upper end periphery of center barrel 1 just is located a fixed reinforcement 4 in the top of link 2, and this embodiment sets up reinforcement 4 and is made by the high temperature resistant metal material that excels in, and in order to guarantee to be connected firmly between reinforcement 4 and the center barrel 1, this embodiment sets up reinforcement 4 welding on center barrel 1, reinforcement 4 is hollow inverted cone platform form, welding has a plurality of pouring claw nail 5 in the reinforcement 4, and in order to guarantee to pour and stabilize between claw nail 5 and the reinforcement 4 and be connected, this embodiment sets up pouring claw nail 5 and also welds on reinforcement 4, and in order to guarantee the firm of pouring material, the welding of claw nail 5 of also being convenient for simultaneously, this embodiment is irregular promptly mixed and disorderly unordered welding pouring claw nail 5 in reinforcement 4, be equipped with pouring layer 6 in the reinforcement 4, as shown in fig. 2, pouring layer 6 is with reinforcement 4 and all pouring claw nail 5 all claddings, and considering that the temperature of flue gas is higher, ensures that the top high temperature deformation concavity of center barrel 1, and pouring layer 6 is formed by the high temperature resistant high temperature castable 6 that the fibre casting material 6 sets up is by the steel casting connecting piece 7 and the triangle-shaped fixing support ring 3, and the triangle-shaped fixing support ring 7 that the pouring material has realized according to the triangle-shaped fixing ring between reinforcement 3.

The utility model discloses during the use: install this center section of thick bamboo on boiler cyclone, start cyclone, press from both sides in the high temperature flue gas of material gets into separation barrel 1, carry out solid-gas separation under the effect of whirlwind, the material subsides because self gravity, discharge from the bottom of separation barrel 1, the high temperature flue gas is because inertia, go toward the top of separation barrel 1, when the top contact of high temperature flue gas and separation barrel 1, under the effect of pouring layer 6 and reinforcement 4, effectively prevent the high temperature deformation on 1 top of separation barrel, and set up the transversal fixed connector who personally submits triangle-shaped between reinforcement 4 and the support ring 3, make separation barrel 1 stabilize on support ring 3.

Of course, the above detailed description is only made for the preferred embodiments of the present invention with reference to the accompanying drawings, and not to limit the scope of the present invention, and all equivalent changes made according to the principles, structures and structures of the present invention should be covered by the protection scope of the present invention.

Claims

1. The boiler cyclone separator central cylinder with the casting layer at the top end comprises a cylindrical hollow central cylinder body (1), wherein a connecting frame (2) is arranged on the periphery of the upper end of the central cylinder body (1), and a support ring (3) used for fixing the central cylinder body (1) is arranged at the bottom end of the connecting frame (2); the method is characterized in that: the utility model discloses a high-temperature-resistant pouring device, including center barrel (1), reinforcing part (4) is fixed in the top of upper end periphery and the link (2) of center barrel (1), reinforcing part (4) are hollow inverted cone platform form, welded a plurality of pouring claw nail (5) in reinforcing part (4), be equipped with pouring layer (6) in reinforcing part (4), pouring layer (6) are with reinforcing part (4) and all the equal cladding of pouring claw nail (5) thereof, just pouring layer (6) are formed by the pouring of the high-strength high-temperature-resistant pouring material, the bottom of reinforcing part (4) is equipped with fixed connector (7) be connected with support ring (3), the transversal triangle-shaped form of personally submitting of fixed connector (7).