Slag disintegrating flue gas collecting device

Abstract

The utility model discloses a slag disintegrating flue gas collecting device, belongs to the field of steel slag treatment, and solves the problems that an existing slag disintegrating flue gas collecting device is low in reliability and poor in flue gas collecting effect. Comprising a dust collection cover, a dust collection pipeline, an air curtain machine and a movable door. The dust collecting cover is arranged above the slag disintegrating tank, and an open type operation opening is formed in one side of the dust collecting cover. The top of the dust collection cover is provided with an unclosed area for operation of a crown block steel wire rope. The dust collection pipeline is located at the top of the dust collection cover, and the output end of the dust collection pipeline is connected with the fan to achieve smoke exhaust. The air curtain machine is located at the top end of the dust collection cover and used for forming high-speed jet flow air in the unclosed area so as to isolate smoke. The movable door is arranged on the side wall of the dust collection cover, located on the same side as the open type operation opening and used for opening and closing the inner space of the dust collection cover. According to the slag disintegrating flue gas collecting device, flue gas collection in the whole slag disintegrating process can be achieved, the flue gas collecting effect is good, the dust collecting cover does not need to be moved, the fault rate of the dust collecting cover is reduced, and the reliability of the slag disintegrating flue gas collecting device is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of steel slag treatment, and particularly relates to a slag smothering flue gas collecting device. BACKGROUND

[0002] In the steelmaking industry, steel slag after steelmaking is generally subjected to steel slag hot smothering treatment through a slag smothering pool. During the process of pouring the steel slag into the slag smothering pool, hook machine slag turning and slag discharging, a large amount of dust-containing flue gas is generated. In order to avoid the dust-containing flue gas from overflowing into the workshop, it is necessary to collect the flue gas generated during the slag smothering process.

[0003] At present, the conventional slag smothering flue gas collecting device mainly adopts a structure form of a semi-closed sliding cover. Since the operation space of the hook machine during the slag smothering process needs to be reserved, the front working surface of the sliding cover cannot be sealed. In order to avoid the interference between the steel wire rope and the top of the sliding cover during the crane slag pouring, the sliding cover needs to be moved backward, which reduces the dust collection area of the sliding cover and causes a large amount of dust-containing flue gas to overflow into the workshop during the slag pouring process. In addition, the running part of the sliding cover works in a high-temperature and high-dust environment for a long time, and has a high failure rate, which reduces the reliability of the slag smothering flue gas collecting device. CONTENT OF THE UTILITY MODEL

[0004] The present application provides a slag smothering flue gas collecting device, which solves the problems of low reliability and poor flue gas collecting effect of the existing slag smothering flue gas collecting device.

[0005] The utility model discloses a kind of slag smothering flue gas collecting devices, which comprises dust collecting cover, dust collecting pipeline, air curtain machine and movable door;The dust collecting cover is arranged above the slag smothering pool, and the one side of the dust collecting cover is equipped with open type operation opening;The top of the dust collecting cover is provided with unsealed area for crane steel wire rope operation;The dust collecting pipeline is located at the top of the dust collecting cover, and its output end is connected with fan, realizes smoke exhaust;The air curtain machine is located at the top of the dust collecting cover, for forming high-speed jet flow air at unsealed area, to isolate flue gas;The movable door is arranged in the side wall of the dust collecting cover, and with the open type operation opening is located at the same side, for opening and closing the internal space of the dust collecting cover.

[0006] In a possible implementation manner, the movable door includes a door body and a hinge leaf;The door body and the side wall of the dust collecting cover are rotationally connected through the hinge leaf.

[0007] In a possible implementation manner, the movable door further includes a power assembly;The power assembly is connected with the dust collecting cover, for driving the door body to rotate around the hinge leaf.

[0008] In a possible implementation manner, the power assembly includes a winch;The winch is fixed in the inner cavity of the dust collecting cover, and the output end of the winch is connected with the door body.

[0009] In a possible implementation, the leaflet comprises a spring leaflet.

[0010] The one or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

[0011] The utility model embodiment provides a kind of smoldering slag flue gas collection device, and the smoldering slag flue gas collection device includes dust collecting hood, dust collecting pipeline, air curtain machine and movable door.Dust collecting hood is arranged in the upper of smoldering slag pool, and the side of dust collecting hood is equipped with open type operation opening.Dust collecting hood top is provided with the unsealed area for aerial tramway wire rope operation.Dust collecting pipeline is located in the top of dust collecting hood, and its output end is connected with fan, realizes exhaust smoke.Air curtain machine is located in the top of dust collecting hood, for forming high-speed jet air at unsealed area, to isolate flue gas.Movable door is arranged in the side wall of dust collecting hood, and with open type operation opening is located in the same side, for opening and closing the internal space of dust collecting hood.In actual application, aerial tramway drives slag tank to pour slag, first by aerial tramway, slag tank is moved to the side of dust collecting hood equipped with open type operation opening, after opening movable door, aerial tramway drives slag tank to move to the pour slag station above smoldering slag pool and closes movable door, then start air curtain machine, the high-speed jet air of air curtain machine outlet will form air curtain in the unsealed area of dust collecting hood to seal the dust-containing flue gas in dust collecting hood, to prevent dust-containing flue gas from overflowing, then operate aerial tramway to pour steel slag in slag tank in smoldering slag pool, the dust-containing flue gas generated during pouring slag is sealed in dust collecting hood by high-speed jet air, and is collected by dust collecting pipeline, after pouring steel slag, open movable door, aerial tramway drives slag tank to leave dust collecting hood area and closes movable door;When need to hook machine to pour slag, air curtain machine is also in working state to prevent dust-containing flue gas from overflowing.The present application can not only realize the flue gas collection of smoldering slag whole process, and the flue gas collection effect is good, also need not to move dust collecting hood again, reduce the failure rate of dust collecting hood, improve the reliability of smoldering slag flue gas collection device. ACCURATE DRAWINGS

[0012] In order to more clearly illustrate the technical scheme of the utility model embodiment, the following will be to the utility model embodiment description needed to use the drawing briefly introduced, obviously, the following description in the drawing is some embodiments of the utility model, for those skilled in the art, without creating labor, according to these drawings, other drawings can also be obtained.

[0013] Fig. 1 The structure schematic diagram that the aerial tramway wire rope of the embodiment of the present application does not enter the operation area of smoldering slag flue gas collection device is provided;

[0014] Fig. 2 The structure schematic diagram that the aerial tramway wire rope of the embodiment of the present application enters the operation area of smoldering slag flue gas collection device is provided;

[0015] Fig. 3 The structure schematic diagram of the hook machine entering the operation area of the slag smothering flue gas collecting device is provided for the embodiment of the application.

[0016] Icon: 1-dust collecting cover; 2-dust collecting pipeline; 3-air curtain machine; 4-movable door; 41-door body; 42-hinge; 43-power assembly; 5-sky car steel wire rope; 6-slag pot; 7-hook machine. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0018] In the description of the embodiments of the present application, it should be noted that the orientations or positional relationships indicated by the terms “center”, “upper”, “lower”, “left”, “right”, “vertical”, “horizontal”, “inner”, “outer” and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and thus cannot be understood as indicating or implying that the devices or elements indicated thereby must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. The terms “first”, “second”, “third” are only for the purpose of description, and cannot be understood as indicating or implying relative importance. In addition, the terms “mounting”, “connecting”, “connection” should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be direct connection, can also be indirect connection through an intermediate medium, and can be the communication between two elements inside. For those skilled in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0019] As Figs. 1-3 shown, the slag smothering flue gas collecting device provided by the embodiments of the present application includes a dust collecting cover 1, a dust collecting pipeline 2, an air curtain machine 3 and a movable door 4.

[0020] As Fig. 1As shown, the dust hood 1 is arranged above the slag pool, and an open operation port is arranged on one side of the dust hood 1. An unsealed area for the operation of the crown block steel wire rope 5 is arranged on the top of the dust hood 1. In actual application, in order to reserve the operation space of the hook machine 7 during the slagging process, and to avoid the interference between the crown block steel wire rope 5 and the dust hood 1 when the crown block dumps slag, the open operation port is arranged on one side of the dust hood 1, and the unsealed area is arranged on the top of the dust hood 1, so that the dust hood 1 does not need to be moved, the failure rate of the dust hood 1 is reduced, and the reliability of the slagging smoke collection device is improved.

[0021] In the embodiment of the present application, the dust collection pipeline 2 is arranged on the top of the dust hood 1, and the output end thereof is connected with the fan to realize smoke exhaust. Specifically, the dust-containing smoke generated during the process of the crown block dumping slag is collected by the dust collection pipeline 2; at the same time, the dust-containing smoke generated in the slagging pool during the process of the hook machine 7 dumping slag is also collected by the dust collection pipeline 2, so that the smoke collection is realized during the whole slagging process, to avoid the overflow of smoke and dust, and the smoke collection effect is good.

[0022] As shown in Fig. 3 , the air curtain machine 3 is arranged at the top end of the dust hood 1, and is used to form high-speed jet air at the unsealed area to isolate the smoke. In actual application, the air curtain machine 3 is always in working state to form high-speed jet air at the unsealed area, that is, to form an air curtain, so as to avoid the overflow of the dust-containing smoke in the dust hood 1 from the unsealed area of the dust hood 1.

[0023] As shown in Figs. 1-2 , the movable door 4 is arranged on the side wall of the dust hood 1 and is located on the same side as the open operation port, and is used to open and close the internal space of the dust hood 1. Specifically, when the crown block dumps the steel slag in the slag pot 6, the movable door 4 is opened to enable the crown block steel wire rope 5 to drive the slag pot 6 to enter the operation area, and then the movable door 4 is closed; when the dumping of the steel slag in the slag pot 6 is completed, the movable door 4 is opened to enable the crown block steel wire rope 5 to drive the slag pot 6 to leave the operation area, and then the movable door 4 is closed, which is convenient to operate, and the movable door 4 is always in closed state during the generation of smoke, so as to ensure the smoke collection effect.

[0024] The utility model discloses an embodiment provides a kind of smoldering slag flue gas collection device, which smoldering slag flue gas collection device includes dust collecting hood 1, dust collecting pipeline 2, air curtain machine 3 and movable door 4.Dust collecting hood 1 is arranged above smoldering slag pool, and the side of dust collecting hood 1 is equipped with open type operation mouth.Dust collecting hood 1 top is provided with the unsealed area for operation of crown block steel wire rope 5.Dust collecting pipeline 2 is located at the top of dust collecting hood 1, and its output end is connected with fan, realizes smoke exhaust.Air curtain machine 3 is located at the top of dust collecting hood 1, for forming high-speed jet air at unsealed area, to isolate flue gas.Movable door 4 is arranged in the side wall of dust collecting hood 1, and with open type operation mouth is located in the same side, for opening and closing the internal space of dust collecting hood 1.In actual application, when crown block drives slag tank 6 to pour slag, first by crown block, slag tank 6 is moved to the side of dust collecting hood 1 equipped with open type operation mouth, then movable door 4 is opened, and after crown block drives slag tank 6 to move to the slag pouring station above smoldering slag pool, movable door 4 is closed, then air curtain machine 3 is started, and the high-speed jet air of air curtain machine 3 outlet will form air curtain in the unsealed area of dust collecting hood 1 to seal the dust-containing flue gas in dust collecting hood 1, to prevent dust-containing flue gas from overflowing, then operate crown block to pour steel slag in slag tank 6 in smoldering slag pool, and the dust-containing flue gas generated during slag pouring process is sealed in dust collecting hood 1 by high-speed jet air, and is collected through dust collecting pipeline 2, after steel slag pouring is finished, movable door 4 is opened, and after crown block drives slag tank 6 to leave dust collecting hood 1 area, movable door 4 is closed;When need to hook machine 7 to pour slag, air curtain machine 3 is also in working state to prevent dust-containing flue gas from overflowing.The present application can not only realize the flue gas collection of smoldering slag whole process, and the flue gas collection effect is good, but also does not need to move dust collecting hood 1 again, reduces the failure rate of dust collecting hood 1, improves the reliability of smoldering slag flue gas collection device.

[0025] As Fig. 2 Shown, movable door 4 includes door body 41 and hinge 42.Door body 41 and the side wall of dust collecting hood 1 are rotatably connected through hinge 42.Specifically, when crown block pours steel slag in slag tank 6, first, door body 41 is rotated to open movable door 4, so that crown block steel wire rope 5 drives slag tank 6 to enter operation area, then door body 41 is rotated to close movable door 4 again;When steel slag in slag tank 6 is poured, first, door body 41 is rotated to open movable door 4, so that crown block steel wire rope 5 drives slag tank 6 to leave operation area, then door body 41 is rotated to close movable door 4 again, simple structure and convenient operation.

[0026] As Fig. 1 Shown, movable door 4 also includes power assembly 43.Power assembly 43 is connected with dust collecting hood 1, for driving door body 41 to rotate around hinge 42.Specifically, using power assembly 43 can control the rotation of door body 41 more quickly and accurately.

[0027] In the embodiment of the present application, the power assembly 43 comprises a hoist. The hoist is fixed in the inner cavity of the dust hood 1, and the output end of the hoist is connected with the door body 41. In actual application, when it is needed to open the movable door 4, the hoist works to tighten the steel wire rope, so that the steel wire rope drives the door body 41 to rotate and open the movable door 4; when it is needed to close the movable door 4, the hoist works to loosen the steel wire rope, so that the door body 41 rotates to close the movable door 4.

[0028] In the embodiment of the present application, the hinge 42 comprises a spring hinge 42. Specifically, the spring hinge 42 can realize automatic reset of the door body 41, so that the closing speed of the movable door 4 is faster.

[0029] The various embodiments in the specification are described in a progressive manner, and the same or similar parts between the various embodiments can be referred to each other, and each embodiment mainly describes the difference from other embodiments.

[0030] The above embodiments are only used to illustrate the technical solutions of the present application, and are not limited to the present application; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some or all of the technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the present application.

Claims

1. A submerged slag fume collection device, characterized by, The dust collecting hood (1), the dust collecting pipeline (2), the air curtain machine (3) and the movable door (4) are included. The dust collecting hood (1) is arranged above the slag pool, and one side of the dust collecting hood (1) is provided with an open operation port. A non-closed area for the operation of the crown steel wire rope (5) is formed on the top of the dust collecting hood (1). The dust collecting pipeline (2) is arranged on the top of the dust collecting hood (1), and the output end of the dust collecting pipeline (2) is connected with the fan to realize smoke exhaust. The air curtain machine (3) is arranged on the top of the dust collecting hood (1), and is used for forming high-speed jet air at the non-closed area to isolate the smoke. The movable door (4) is arranged on the side wall of the dust collecting hood (1) and is located on the same side with the open operation port, and is used for opening and closing the internal space of the dust collecting hood (1).

2. The submerged slag fume collection device of claim 1, wherein, The movable door (4) includes a door body (41) and a hinge (42). The door body (41) and the side wall of the dust collecting hood (1) are rotationally connected through the hinge (42).

3. The submerged slag fume collection device of claim 2, wherein, The movable door (4) further includes a power assembly (43). The power assembly (43) is connected with the dust collecting hood (1) and is used for driving the door body (41) to rotate around the hinge (42).

4. The submerged slag fume collection device of claim 3, wherein, The power assembly (43) includes a winch. The winch is fixed in the inner cavity of the dust collecting hood (1), and the output end of the winch is connected with the door body (41).

5. The submerged slag fume collection device of claim 4, wherein, The hinge (42) includes a spring hinge (42).

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