CN218097153U - Large-scale titanium slag electric arc furnace flue dust collection cleaning device - Google Patents

Abstract

The utility model discloses a cleaning device is collected to large-scale titanium sediment electric arc furnace flue dust, concretely relates to electric arc furnace field. The problems that the titanium concentrate is more lost along with smoke dust, and partial materials are sintered in a pipeline to block a flue are solved. The utility model discloses an electric stove body, water-cooling flue and collector, the flue of electric stove body top is "Z" style of calligraphy setting, and lower corner sets up the collector, and the long-pending material that falls down in the water-cooling flue can be collected to the collector, and the discharge opening has been seted up to the collector, can regularly open the clearance of unloading, and its aim at prevents that the ilmenite concentrate material that the smoke and dust brought out from sintering in the flue, blocks up the flue, prevents that long-pending material in the flue from falling into the electric stove and forming the material of collapsing, destroys the interior reaction of stove.

Description

Large-scale titanium slag electric arc furnace flue dust collection cleaning device

Technical Field

The utility model belongs to the electric arc furnace field, concretely relates to large-scale titanium sediment electric arc furnace flue dust collection cleaning device.

Background

Titanium slag is a titanium ore enrichment substance formed through a chemical reaction process, titanium concentrate is smelted through electric furnace heating, fine particle parts enter a flue gas system along with flue gas to be purified in the titanium slag smelting process, then the fine particle parts are emptied or utilized, the titanium concentrate particle size is smaller and smaller along with gradual consumption of high-quality titanium ore resources, the titanium concentrate proportion consumed along with the flue gas in the electric furnace smelting is increased, and partial materials are sintered in the flue gas to block the flue.

The following problems exist in the production and use of a plurality of titanium slag electric arc furnaces at present:

1. titanium slag fine particles entering the flue along with the flue gas are accumulated in the flue to block the flue;

2. the large accumulated materials in the flue fall into the electric furnace to form material collapse, and the electrode is broken, so that major production accidents and loss are caused;

3. the large lumps in the flue fall into the electric furnace, destroying the reaction in the furnace.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a cleaning device is collected to large-scale titanium sediment electric arc furnace flue dust, its aim at prevents the titanium sediment fine grain, piles up in the flue, blocks up the flue, prevents that the bold is long-pending to fall into the electric stove and forms the material of collapsing, hits disconnected electrode, destroys the interior reaction of stove.

The utility model adopts the technical scheme as follows:

the utility model provides a cleaning device is collected to large-scale titanium sediment electric arc furnace flue dust, includes electric furnace body and water-cooling flue, the income gas port of electric furnace body and water-cooling flue is linked together, wherein, the pipeline of bending of water-cooling flue for "Z" word form, the pipeline of bending of "Z" word form includes two upper and lower turnings, corner is provided with the collector down, the collector is linked together with the pipeline of bending.

By adopting the technical scheme, the water-cooling flue is Z-shaped and comprises an upper corner and a lower corner, and the titanium slag fine particles in the water-cooling flue slide down by the inclined angle from the upper corner to the lower corner and fall into the collector, so that the blockage in the pipeline to form large blocks of accumulated materials is prevented, and the flue is blocked; the collector is communicated with the lower corner of the water cooling flue, titanium slag fine particles falling into the collector are collected and stored, materials in the collector can be recycled, and cost is further saved.

Preferably, the water-cooling flue is detachably connected with the electric furnace body and the collector, when titanium slag fine particles are collected to a certain degree, the electric furnace body is stopped to operate, the water-cooling flue and the collector are detached to be cleaned and maintained, and the service life of the electric furnace body, the water flue and the collector is further prolonged.

Preferably, the inner wall of the collector is provided with a high-temperature-resistant corrosion-resistant layer, so that the collector is prevented from being burnt and damaged by titanium slag particles brought by high-temperature flue gas, and the service life of the collector is prolonged.

Preferably, the discharge opening has been seted up to collector lateral wall lower part, and the tip detachably of discharge opening is connected with sealed lid, and after production, clear up the titanium slag in the collector, prevent that the titanium slag fine grain from piling up in the collector, and discharge opening convenient to use need not lift the collector off and can unload, has further improved production efficiency.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. titanium slag fine particles entering the flue along with the flue gas are prevented from being accumulated in the flue and blocking the flue.

2. Prevent the massive accumulated materials in the flue from falling into the electric furnace to form material collapse and breaking the electrode, thereby causing major accidents and loss and improving the safety.

3. Prevent the large block material in the flue from falling into the electric furnace and damaging the reaction in the furnace.

Drawings

The invention will be described by way of example and with reference to the accompanying drawings, in which:

FIG. 1 is a schematic view of the connection between the electric furnace body and the water cooling flue and collector of the present invention.

Reference numerals

1-an electric furnace body, 2-a water-cooling flue, 3-a collector, 4-a discharge hole and 5-a sealing cover.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, 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, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. The components of embodiments of the present application, 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 application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.

In the description of the embodiments of the present application, it should be noted that the terms "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 the products of the present invention are usually placed in when used, and are only used for convenience of description and simplification of the description, but do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

The present invention will be described in detail with reference to fig. 1.

Example 1:

as shown in fig. 1, the large titanium slag electric arc furnace flue dust collecting and cleaning device comprises an electric furnace body 1 and a water-cooling flue 2, wherein the electric furnace body 1 is communicated with an air inlet of the water-cooling flue 2, the water-cooling flue 2 is a bent pipeline in a Z shape, the bent pipeline comprises an upper corner and a lower corner, when titanium slag is smelted, ilmenite and a solid reducing agent are added into the electric furnace body 1 for reduction smelting, a large amount of flue gas is generated under a high-temperature strong reduction condition, titanium slag fine particles are mixed in the flue gas, and the titanium slag fine particles enter the water-cooling flue 2 from the air inlets of the electric furnace body 1 and the water-cooling flue 2 and upwards pass through an inclined pipeline; the lower corner of the bent pipeline is communicated with a collector 3, cooled flue gas bypassing the upper corner is deposited downwards at the lower corner along the pipeline and falls into the collector 3, and the device prevents titanium slag fine particles from forming large blocks in the pipeline to block the flue.

In the embodiment, the water-cooling flue 2 is detachably connected with the electric furnace body 1 and the collector 3, specifically, a flange (not shown) is fixed at a gas inlet of the water-cooling flue 2, a matched flange is fixed at a position where the electric furnace body 1 is communicated with the gas inlet of the water-cooling flue 2, a flange pad is added between the two flanges during assembly, the two flanges are connected by bolts, and the electric furnace body 1 is connected with the water-cooling flue 2 through the flanges; a flange plate (not shown in the figure) is fixed at one end of the lower corner of the water-cooling flue 2, which is connected with the collector 3, a matched flange plate is fixed at the inlet of the collector 3, a flange pad is added between the two flange plates, and finally the two flange plates are connected by bolts, so that the water-cooling flue 2 and the collector 3 are connected by the flange plates, the flange plates are convenient to connect and disassemble, and the sealing effect is good; when the production and use are finished, the electric furnace is stopped, the water cooling flue 2 and the collector 3 are disassembled, the accumulated materials in the electric furnace body 1 and the water cooling flue 2 are swept and cleaned by nitrogen, the equipment is cleaned and maintained, and the service lives of the electric furnace body 1, the water flue 2 and the collector 3 are further prolonged.

In this embodiment, the inner wall of the collector 3 is provided with a high temperature and corrosion resistant layer made of an aluminum-magnesium refractory material, so that the collector 3 is prevented from being burned and damaged by titanium slag particles brought by high-temperature flue gas, and the service life of the collector 3 is prolonged.

In this embodiment, discharge opening 4 has been seted up to the lateral wall lower part of collector 3, and the end connection of discharge opening 4 has sealed lid 5, and the end fixing of sealed lid 5 has the ring flange, and the end fixing of discharge opening 4 has the assorted ring flange add the flange pad between two ring flanges, will with the bolt at last two ring flanges are connected, and discharge opening 4 passes through the ring flange with sealed lid 5 promptly and is connected, when collector 3 fills with, opens sealed lid 5, handles in clearing up the long-pending material in collector 3 to the container, and discharge opening 4 has made things convenient for the clearance of collector 3, improves the availability factor, and the long-pending material of clearing up can carry out the reutilization, has practiced thrift the cost.

The working principle and the using process are as follows:

when titanium slag is smelted, ilmenite and a solid reducing agent are added into an electric furnace body 1 for reduction smelting, a large amount of smoke is generated under the high-temperature strong reduction condition, the smoke upwards bypasses an upper corner along an inclined pipeline, then downwards descends along the pipeline, falls into a collector 3, after the collector 3 is filled, the electric furnace is stopped to operate, a discharge hole 4 in the side wall of the collector 3 is opened, titanium slag fine particles in the collector 3 are cleaned into a container for secondary utilization, the titanium slag fine particles are prevented from being accumulated in a flue to block the flue, large accumulated materials are prevented from falling into the electric furnace, material collapse is prevented, and the accumulated materials are prevented from falling into the electric furnace to damage the reaction in the electric furnace; when the production and use are finished, the electric furnace is stopped, the water-cooling flue 2 and the collector 3 are disassembled, the accumulated materials in the electric furnace body 1 and the water-cooling flue 2 are swept and cleaned by nitrogen, the equipment is cleaned and maintained, and the service life of the equipment is further prolonged.

Example 2:

different from the embodiment 1, the inner wall of the collector 3 is provided with the high-temperature-resistant and corrosion-resistant layer made of high-alumina bricks, so that the collector 3 is prevented from being burnt and damaged by titanium slag particles brought by high-temperature flue gas, and the service life of the collector 3 is prolonged.

The working principle and the using process are as follows:

when the titanium slag is smelted, ilmenite and a solid reducing agent are added into the electric furnace body for reduction smelting, a large amount of flue gas is generated under the high-temperature strong reduction condition, the flue gas which is still high in temperature after being cooled by the water cooling pipeline falls into the collector 3, and the high-temperature-resistant corrosion-resistant layer made of the high-alumina brick avoids the collector 3 from being burnt and damaged by titanium slag particles brought in by the high-temperature flue gas, so that the service life of the collector 3 is prolonged.

The above-mentioned embodiments only express the specific embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, without departing from the technical idea of the present application, several changes and modifications can be made, which are all within the protection scope of the present application.

Claims (6)

1. The utility model provides a cleaning device is collected to large-scale titanium sediment electric arc furnace flue dust, includes electric stove body (1) and water-cooling flue (2), electric stove body (1) is linked together with the income gas port of water-cooling flue (2), its characterized in that, water-cooling flue (2) are the pipeline of bending of "Z" word form, the pipeline of bending of "Z" word form includes two upper and lower turnings, the corner is provided with collector (3) down, collector (3) are linked together with water-cooling flue (2).

2. The large titanium slag electric arc furnace flue dust collecting and cleaning device as claimed in claim 1, characterized in that the water cooling flue (2) is detachably connected with the electric furnace body (1) and the collector (3).

3. The large titanium slag electric arc furnace flue dust collecting and cleaning device as claimed in claim 1, characterized in that the inner wall of the collector (3) is provided with a high temperature and corrosion resistant layer.

4. The large titanium slag electric arc furnace flue dust collecting and cleaning device as claimed in claim 1, characterized in that the collector (3) is provided with a discharge hole (4).

5. A large titanium slag electric arc furnace flue dust collecting and cleaning device according to claim 4, characterized in that said discharge opening (4) is located at the lower part of the collector (3) side wall.

6. A large titanium slag electric arc furnace flue dust collecting and cleaning device according to claim 4, characterized in that the end of said discharge hole (4) is detachably connected with a sealing cover (5).

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