CN216644980U

CN216644980U - Suspension structure at top of flue gas settling chamber of electric arc furnace

Info

Publication number: CN216644980U
Application number: CN202123284953.XU
Authority: CN
Inventors: 邓彪; 熊全友
Original assignee: Sichuan Dugang Iron And Steel Group Co ltd
Current assignee: Sichuan Dugang Iron And Steel Group Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-05-31
Anticipated expiration: 2031-12-24

Abstract

The utility model discloses a top suspension structure of a flue gas settling chamber of an electric arc furnace, which comprises a steel beam, wherein a hook is hung on the steel beam, hanging bricks are hung on the hook through steel wire ropes, an air inlet pipe is arranged between the hanging bricks, refractory slurry is also arranged at the top ends of the hanging bricks, an expansion part is arranged between the hook and the steel beam, and an anti-falling part for preventing the steel wire ropes from falling off is arranged in the hook. The beneficial effects of the utility model are: through setting up hanging brick and fire-resistant thick liquids, can avoid hanging the unsettled laying of the brick body, and the brick body is hung and can also be improved the security of this flue gas settling chamber, through setting up the rectangular hole on screw and the girder steel, can make this hanging brick be heated and produce the inflation and when the displacement, can all reserve the displacement volume to all swing from top to bottom all around, provide the guarantee for its safety.

Description

Suspension structure at top of flue gas settling chamber of electric arc furnace

Technical Field

The utility model relates to the field of flue gas treatment, in particular to a suspension structure at the top of a flue gas settling chamber of an electric arc furnace.

Background

The electric furnace settling chamber is a device for removing granular dust in flue gas and simultaneously partially combusting CO, and generally comprises a flue gas inlet, a flue gas outlet, a water-cooling flue and other structures, and can reduce the content of dust and CO in the flue gas and reduce the temperature of the flue gas after being treated by the settling chamber.

The suspension structure at the top of the existing electric arc furnace flue gas settling chamber is of a hollow structure, the construction difficulty is large when bricks are built at the top, high temperature in the settling chamber is enabled to be high due to the fact that flue gas in the furnace is high, the bricks are easy to fall off at high temperature, the service life of the settling chamber is short, and therefore the suspension structure at the top of the electric arc furnace flue gas settling chamber is provided for solving the technical problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a suspension structure for the top of a flue gas settling chamber of an electric arc furnace.

The purpose of the utility model is realized by the following technical scheme:

the utility model provides an electric arc furnace flue gas settling chamber top suspended structure, includes the girder steel, hang on the girder steel and establish the couple, hang through wire rope on the couple and be equipped with and hang the brick, and hang and be equipped with the intake pipe between the brick, the top of hanging the brick still is equipped with fire-resistant slurry, be equipped with the inflation portion between couple and the girder steel, and be equipped with the anticreep portion that prevents wire rope and drop in the couple.

A further technical scheme is that the hook comprises a front hook used for hanging a steel wire rope and a rear hook used for hanging a steel beam, the front hook and the rear hook are fixedly connected, each hook comprises two rear hooks, and a gap is reserved between the two rear hooks.

According to a further technical scheme, the expansion part comprises a connecting plate which is fixedly arranged on the hook and provided with an internal thread, the connecting plate is located below the rear hook, the steel beam is provided with a long hole, the connecting plate is in threaded connection with a screw penetrating through the long hole, and the screw is located between the two rear hooks.

According to a further technical scheme, the anti-falling part comprises a baffle which is hinged in the front hook and is in a hook shape.

According to a further technical scheme, a protective sleeve is detachably connected to the steel beam and is located right above the air inlet pipe.

The further technical scheme is that the protective sleeve is U-shaped and is connected to the steel beam through bolts.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the hanging brick and the fireproof slurry are arranged, so that the brick body can be prevented from being laid in the air, the brick body can be hung to improve the safety of the flue gas settling chamber, and the hanging brick can reserve displacement for the vertical, the front, the back, the left and the right and the swinging when the hanging brick expands and displaces due to the heating by arranging the screw and the long holes on the steel beam, so that the safety of the hanging brick is guaranteed.

Drawings

FIG. 1 is a schematic plan view of the present invention.

FIG. 2 is a side plan view of the present invention hook.

In the figure, 1-steel beam, 2-hook, 21-front hook, 22-rear hook, 23-connecting plate, 24-screw, 25-baffle, 3-steel wire rope, 4-hanging brick, 5-refractory slurry, 6-air inlet pipe and 7-protective sleeve.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to the embodiment shown in fig. 1-2, the top suspension structure of the flue gas settling chamber of the electric arc furnace comprises a steel beam 1, a hook 2 is hung on the steel beam 1, a hanging brick 4 is hung on the hook 2 through a steel wire rope 3, the steel wire rope 3 is in a circular ring shape, two steel beams 1 are arranged on the steel beam 1, the hook 2 is uniformly arranged on each steel beam 1, namely the two hooks 2 respectively hang two ends of the steel wire rope 3, the hanging brick 4 is hung by the steel wire rope 3, the top end of the hanging brick 4 is also provided with refractory mortar 5, namely the top end of the hanging brick 4 is cast in situ by refractory mortar, and the brick body is uniformly heated while the strength is improved.

Couple 2 including being used for hanging the preceding hook 21 of establishing wire rope 3 and being used for hanging the back hook 22 of locating girder steel 1, and preceding hook 21 and back hook 22 fixed connection, every couple 2 all includes two back hooks 22, and leave the clearance between two back hooks 22, be equipped with the inflation portion between couple 2 and the girder steel 1, the inflation portion is including setting firmly on couple 2 and seting up internal screw thread connecting plate 23, connecting plate 23 is located back hook 22 below, the rectangular hole has been seted up on the girder steel 1, connecting plate 23 threaded connection has the screw 24 who runs through the rectangular hole, and screw 24 is located between two back hooks 22, through setting up the rectangular hole, under screw 24's effect, can make things convenient for couple 2 upper and lower left and right sides displacement, this inflation portion is for reserving the reservation volume when this inflation promptly.

Be equipped with the anticreep portion that prevents wire rope 3 and drop in couple 2, anticreep portion is hook-like baffle 25 including articulating in front hook 21, and anticreep portion is baffle 25 promptly, and it is in order to prevent that wire rope 3 from dropping, through setting up baffle 25, can make things convenient for wire rope 3 fore-and-aft movement, and its baffle 25 can avoid wire rope 3 to drop when producing the swing phenomenon because of the inflation.

Hang and be equipped with intake pipe 6 between brick 4, can dismantle on girder steel 1 and be connected with lag 7, and lag 7 is located intake pipe 6 directly over, and lag 7 is the U word form, and lag 7 passes through bolted connection on girder steel 1, and lag 7 only hangs directly over intake pipe 6 and establishes, and it is that 2 intervals diminish extrusion intake pipe 6 are got in touch in order to avoid its top, influences the flue gas handling capacity.

The working process of the utility model is as follows: the hanging brick 4 is hung on the front hook 21 of the hook 2 through the steel wire rope 3, the baffle plate 25 is arranged on the steel wire rope 3 at the moment, the rear hook 22 of the hook 2 is hung on the steel beam 1, the screw 24 penetrates through the steel beam 1 and is spirally connected on the connecting plate 23 at the moment, the protective sleeve 7 is sleeved on the steel beam 1 above the air inlet pipe 6 and is fastened on the steel beam 1 through bolts, the fireproof slurry 5 is laid above the hanging brick 4, the flue gas to be processed after completion enters the settling chamber through the air inlet pipe 6, the hanging brick 4 can generate an expansion displacement phenomenon when the settling chamber is heated, the hanging brick 4 cannot be separated from the steel beam 1 due to the action of the screw 24 when the hanging brick moves up and down, when the hanging brick generates left and right displacement, the connection part of the steel beam 1 and the screw 24 is a long hole, so that the hanging brick can slightly move, and when the steel wire rope 3 swings back and forth in the front hook 21, and because the effect of baffle 25, can avoid wire rope 3 to break away from couple 2, guaranteed its safety, and this device uses and hangs the trouble that the brick can avoid direct unsettled tiling, also can guarantee the safety in production when having improved efficiency.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides an electric arc furnace flue gas settling chamber top suspended structure which characterized in that: including girder steel (1), it establishes couple (2) to hang on girder steel (1), hang through wire rope (3) on couple (2) and be equipped with and hang brick (4), and hang and be equipped with intake pipe (6) between brick (4), the top of hanging brick (4) still is equipped with fire-resistant thick liquids (5), be equipped with the inflation portion between couple (2) and girder steel (1), and be equipped with the anticreep portion that prevents wire rope (3) and drop in couple (2).

2. The electric arc furnace flue gas settling chamber top suspension structure of claim 1, wherein: couple (2) including being used for hanging preceding hook (21) of establishing wire rope (3) and being used for hanging back hook (22) of establishing in girder steel (1), and preceding hook (21) and back hook (22) fixed connection, every couple (2) all include two back hooks (22), and leave the clearance between two back hooks (22).

3. The electric arc furnace flue gas settling chamber top suspension structure of claim 2, wherein: the expansion part comprises a connecting plate (23) which is fixedly arranged on the hook (2) and provided with an internal thread, the connecting plate (23) is positioned below the rear hook (22), a long hole is formed in the steel beam (1), the connecting plate (23) is in threaded connection with a screw (24) penetrating through the long hole, and the screw (24) is positioned between the two rear hooks (22).

4. The electric arc furnace flue gas settling chamber top suspension structure of claim 2, wherein: the anti-falling part comprises a baffle (25) which is hinged in the front hook (21) and is in a hook shape.

5. The electric arc furnace flue gas settling chamber top suspension structure of claim 1, wherein: a protective sleeve (7) is detachably connected to the steel beam (1), and the protective sleeve (7) is located right above the air inlet pipe (6).

6. The electric arc furnace flue gas settling chamber top suspension structure of claim 5, wherein: the protective sleeve (7) is U-shaped, and the protective sleeve (7) is connected to the steel beam (1) through bolts.