CN104118985A - Device capable of directly recycling high-temperature vanadium-titanium molten slag - Google Patents
Device capable of directly recycling high-temperature vanadium-titanium molten slag Download PDFInfo
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- CN104118985A CN104118985A CN201410353472.5A CN201410353472A CN104118985A CN 104118985 A CN104118985 A CN 104118985A CN 201410353472 A CN201410353472 A CN 201410353472A CN 104118985 A CN104118985 A CN 104118985A
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Abstract
The invention discloses a device capable of directly recycling high-temperature vanadium-titanium molten slag, which belongs to the technical field of ironmaking molten slag recycling equipment and is used for recycling the high-temperature vanadium-titanium molten slag. The device is characterized in that a molten slag container is capable of thermally insulating the high-temperature vanadium-titanium molten slag; the flow of the molten slag is adjusted and controlled through a molten slag flow adjustment and control valve below the molten slag container, so that the vanadium-titanium molten slag can smoothly flow out and thermally form cotton silks, and the continuous production requirements of a blast furnace and a fiber forming process are met. According to the device, sensible heat recovery and efficient waste slag utilization of the high-temperature vanadium-titanium molten slag are realized by adopting relatively simple equipment, and the difficulties that vanadium-titanium blast furnace slag is difficultly recycled and sensible heat of the high-temperature molten slag cannot be directly utilized or is low in utilization rate are overcome; the device is a major breakthrough and innovation of a high-temperature molten slag recycling technology in the field of ironmaking, has great meaning on full utilization of a large quantity of the high-temperature vanadium-titanium molten slag generated in an ironmaking process, has remarkable economic and social benefits, and has promotion values in the whole industry.
Description
Technical field
The present invention relates to a kind of device that directly utilizes the waste heat of vanadium titanium high-temperature slag to recycle vanadium titanium slag, belong to ironmaking slag recycling equipment technical field.
Background technology
The fittings that vanadium titanium blast furnace slag produces while being the vanadium and titanium resources smelting pig iron, main component is CaO, SiO2, Al2O3, Fe2O3, MgO, TiO2, V2O5 etc.Iron per ton produces about 400-450kg vanadium titanium high-temperature slag, and it contains a large amount of high-quality heat contents, is the unusual thermal source of high-quality.Because of the particular attribute of vanadium titanium blast furnace slag, limited its commercialization utilization ratio, and the vanadium titanium blast furnace slag of storing up in a large number after shrend becomes the bottleneck of enterprise development.
Find that after deliberation vanadium titanium blast furnace slag has the characteristic that is different from Blast furnace slag, can directly utilize the lagging material of its production high added value.China Patent No. 201210204789 discloses " by the method for hot melt titanium-containing blast furnace slag direct production slag wool ", and the method can make titanium-containing blast furnace slag 1300～1400 DEG C of direct fibroblasts, obtains slag wool.But the melt gas injection that the method needs in implementation process is incubated, gas injection can produce waste gas and flue dust when melt is incubated, and also needs to invest to build dust-removal system, and technological process is more loaded down with trivial details.The temperature control effect of coal gas is undesirable simultaneously, and waste is many, makes high-temperature slag recovery utilization rate not high.
Vanadium titanium high-temperature slag is not only the very thermal source of high-quality, is also good secondary resource, how to improve the slag byproduct of waste heat recovery efficiency, optimization UTILIZATION OF VESIDUAL HEAT IN mode, exploitation high added value, has become the development trend of vanadium titanium high-temperature slag recovery technology.But up to now, existing technical scheme does not have effectively to solve the problem of utilizing the waste heat of vanadium titanium high-temperature slag directly vanadium titanium high temperature furnace slag to be recycled, valuable heat resources and a large amount of vanadium titanium slags are wasted, become the difficult problem in puzzlement enterprise iron-making production, the research that is necessary to tackle key problems is solved.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of device that can directly recycle vanadium titanium high-temperature slag, this device can be introduced the vanadium titanium high-temperature slag of iron-smelting blast furnace, the melting consuming without secondary energy, insulation is processed, realize the regulation and control to slag flow according to the situation that hardens of vanadium titanium slag by control unit, make the smooth and easy outflow of vanadium titanium slag and be thermoformed into staple, meeting blast furnace and the requirement of fibroblast operation quantity-produced.
The technical scheme solving the problems of the technologies described above is:
A kind of device that can directly recycle vanadium titanium high-temperature slag, it comprises slag container, hanger, suspension ring, hanging beam, suspension hook, slag flow control valve and control unit, slag container is cylinder, bottom surface and the barrel wall of cylinder are structure as a whole, on slag container, be welded with symmetrical hanger along both sides, hanger connects suspension ring by hanging beam, there is the beaker mouth of toppling over waste residue on the upper edge of slag container, beaker mouth is vertical with two hanger lines, a suspension hook of bottom welding of slag container, suspension hook is positioned at the slag container outer wall side of beaker mouth symmetry, the bottom surface of slag container has head piece under slag, slag flow control valve is installed on head piece under slag, slag flowrate control valve is connected with control unit.
The above-mentioned device that can directly recycle vanadium titanium high-temperature slag, described slag flow control valve is by brick cup, retaining plate, head piece on slag, head piece under slag, flow control upper slide, flow control lower skateboard composition, on the outside surface of slag container bottom surface, there is retaining plate, the brick cup of retaining plate and bottom surface connects as one, on retaining plate, there is stream slag circular hole, under the slag of stream slag circular hole and slag container bottom surface, head piece is relative, on slag, head piece is arranged in brick cup, with fixing plate current slag circular hole, under the slag of slag container, head piece is connected, on slag, the below of head piece is provided with the parallel flow control upper slide stacking, flow control lower skateboard, flow control upper slide and flow control lower skateboard are slidably matched, there is corresponding stream cinder hole at the center of flow control upper slide and flow control lower skateboard, head piece under slag is installed below flow control lower skateboard, the endoporus aperture of head piece on slag, the aperture of the stream cinder hole of flow control upper slide and flow control lower skateboard, under slag, the endoporus aperture of head piece matches, flow control upper slide is connected with control unit with flow control lower skateboard.
The above-mentioned device that can directly recycle vanadium titanium high-temperature slag, the cylinder of described slag container has tapering, and the back cut diameter of cylinder is greater than lower port diameter, is coated with thermal insulation layer at the barrel wall of slag container, has container cover in slag upper opening of container.
Beneficial effect of the present invention:
Slag container of the present invention can be incubated vanadium titanium high-temperature slag, slag flow control valve by slag container below carries out regulation and control to slag flow, make the smooth and easy outflow of vanadium titanium slag and be thermoformed into staple, meeting blast furnace and the requirement of fibroblast operation quantity-produced.The present invention has realized vanadium titanium high-temperature slag direct heat and has been shaped to the conception of staple, compare to existing fibroblast technical scheme, omit the insulation link of gas injection to melt, the brief flow process of high-temperature slag resource utilization, and sensible heat scatters and disappears less, utilization ratio is high, with turn waste into wealth, the environmental protection concept of energy-saving and emission-reduction agrees with mutually.
The present invention adopts relatively very simple equipment to realize the sensible heat recovery of vanadium titanium high-temperature slag and the efficient utilization of waste residue, solve in iron manufacturing process that vanadium titanium blast furnace slag is difficult to resource utilization and high-temperature slag sensible heat can not be by a difficult problem of directly utilizing or utilization ratio is low, important breakthrough and the innovation of ironmaking field high-temperature slag sensible heat recovery and utilization technology, there is great meaning for making full use of the vanadium titanium high-temperature slag producing in a large amount of iron manufacturing process, there is significant economic benefit and social benefit, have the value of extensively promoting in the whole industry.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the side-view of Fig. 1;
Fig. 3 is the position view of slag flow control valve and container cover;
Fig. 4 is the structural representation of slag flow control valve.
Number in the figure is as follows: head piece 14, flow control upper slide 15, flow control lower skateboard 16 under head piece 13, slag on slag container 1, hanger 2, suspension ring 3, hanging beam 4, suspension hook 5, beaker mouth 6, slag flow control valve 7, control unit 8, thermal insulation layer 9, container cover 10, brick cup 11, retaining plate 12, slag.
Embodiment
1 splendid attire of slag container of the present invention be vanadium titanium high-temperature slag, only have vanadium titanium slag direct heat to be shaped to staple, its ratio of viscosities Blast furnace slag is large, and the temperature that hardens is high, make the smooth and easy outflow at the appointed time of a certain amount of high-temperature slag fibroblast be difficult to control, there is no at present successful precedent.
Slag flow control valve 7 of the present invention is keys of regulation and control slag flow, can realize the regulation and control to slag flow by control unit 8 according to the situation that hardens of vanadium titanium slag, the flow that makes vanadium titanium slag flow to whizzer meets the requirement of fibroblast operation, can not affect again the normal production of ironmaking.
The present invention includes slag container 1, hanger 2, suspension ring 3, hanging beam 4, suspension hook 5, beaker mouth 6, slag flow control valve 7, control unit 8, thermal insulation layer 9, container cover 10.
In figure, show, slag container 1 is cylinder, and bottom surface and the barrel wall of cylinder are structure as a whole, and the cylinder of slag container 1 has tapering, and the back cut diameter of cylinder is greater than lower port diameter.
In figure, show, on slag container 1, be welded with symmetrical hanger 2 along both sides design, hanger 2 connects suspension ring 3 by hanging beam 4, for the lifting of container.There is beaker mouth 6 on the upper edge of slag container 1, and beaker mouth 6 is vertical with two hanger 2 lines, for the injection of slag and toppling over of residual waste residue.A suspension hook 5 of bottom welding of slag container 1, suspension hook 5 is positioned at the slag container 1 outer wall side of beaker mouth 6 symmetries, for tumbling of slag container 1.
In figure, show, be coated with thermal insulation layer 9 at the barrel wall of slag container 1, have a container cover 10 slag container 1 is suitable for reading, thermal insulation layer 9 and container cover 10 are for the insulation of slag and reduce heat loss.
In figure, show, the bottom surface of slag container 1 has head piece under slag, and slag flow control valve 7 is installed on head piece under slag, and slag flowrate control valve 7 is connected with control unit 8.
In figure, show, slag flow control valve 7 is made up of head piece 14, flow control upper slide 15, flow control lower skateboard 16 under head piece 13, slag on brick cup 11, retaining plate 12, slag.
Under the slag of slag container 1 bottom surface, head piece is circular hole, retaining plate 12 connects as one with the brick cup 11 of slag container 1 bottom surface, on retaining plate 12, there is stream slag circular hole, on slag, head piece 13 is arranged in stream slag circular hole with head piece under the slag of slag container 1 and is connected, on slag, the below of head piece 13 is provided with the parallel flow control upper slide 15 stacking, flow control lower skateboard 16, flow control upper slide 15 and flow control lower skateboard 16 are slidably matched, there is corresponding stream cinder hole at flow control upper slide 15 and flow control lower skateboard 16 center, head piece 14 under slag is installed below flow control lower skateboard 16.On slag, under the aperture of the stream cinder hole of the endoporus aperture of head piece 13, flow control upper slide 15 and flow control lower skateboard 16, slag, the endoporus aperture of head piece 14 matches, and vanadium titanium high-temperature slag can flow out along the endoporus of head piece 14 under head piece on slag 13, flow control upper slide 15, flow control lower skateboard 16 and slag.
In figure, show, flow control upper slide 15 is connected with control unit 8 with flow control lower skateboard 16., control unit 8 can be adjusted the aperture of slag flow control valve 7 according to the situation that hardens of vanadium titanium slag, and the flow that makes vanadium titanium slag flow to whizzer meets the requirement of fibroblast operation, can not affect again the normal production of ironmaking.
One embodiment of the present of invention are as follows:
At ironmaking 6# blast furnace table, the slag container 1 of cutting out slag flow control valve 7 is lifted on to certain altitude above fiberizer, vanadium titanium slag was linked up beaker mouth 6 through tap cinder and was flowed into slag container 1, added container cover 10 after reaching specified amount.Make slag flow control valve 7 get to certain aperture by control unit 8, allow the vanadium titanium slag of regulation flow velocity flow into the fibroblast equipment of below, along with slag container 1 in the minimizing of slag amount and the reduction of temperature, adjust the aperture of slag flow control valve 7 by control unit 8 according to the situation that hardens of vanadium titanium slag, complete within a certain period of time the direct heat moulding of specified amount vanadium titanium slag, become silk rate to reach expection, realized carrying out continuously of blast furnace and the production of fibroblast operation.
Implementation result: vanadium titanium slag in slag container 1 is opened container cover 10 and observed after all flowing out, the slag residue that slag container 1 inwall does not harden substantially, illustrate that vanadium titanium slag realized by this device that its sensible heat reclaims and efficient utilization.Detect the vanadium titanium staple sample in embodiment according to thermal insulation by rock wool, slag wool and standard of articles (GB/T11835-2007) thereof: non-combustible, the mean diameter of staple is not more than 7.0 μ m, thermal conductivity≤0.044, slag ball content≤10%, hot loading shrinkage temperature >=650 DEG C, indices all meets GB/T11835-2007.
Claims (3)
1. the device that can directly recycle vanadium titanium high-temperature slag, it is characterized in that: it comprises slag container (1), hanger (2), suspension ring (3), hanging beam (4), suspension hook (5), slag flow control valve (7) and control unit (8), slag container (1) is cylinder, bottom surface and the barrel wall of cylinder are structure as a whole, the upper symmetrical hanger (2) that is welded with along both sides of slag container (1), hanger (2) connects suspension ring (3) by hanging beam (4), there is the beaker mouth (6) of toppling over waste residue on the upper edge of slag container (1), beaker mouth (6) is vertical with two hangers (2) line, a bottom suspension hook of welding (5) of slag container (1), suspension hook (5) is positioned at symmetrical slag container (1) the outer wall side of beaker mouth (6), the bottom surface of slag container (1) has head piece under slag, slag flow control valve (7) is installed on head piece under slag, slag flowrate control valve (7) is connected with control unit (8).
2. the device that can directly recycle vanadium titanium high-temperature slag according to claim 1, it is characterized in that: described slag flow control valve (7) is by retaining plate (12), head piece on slag (13), head piece under slag (14), flow control upper slide (15), flow control lower skateboard (16) composition, on the outside surface of slag container (1) bottom surface, there is retaining plate (12), retaining plate (12) connects as one with the brick cup (11) of bottom surface, on retaining plate (12), there is stream slag circular hole, under the slag of stream slag circular hole and slag container (1) bottom surface, head piece is relative, head piece on slag (3) is arranged in brick cup (11), with retaining plate (12) stream slag circular hole, under the slag of slag container (1), head piece (14) is connected, the below of head piece on slag (13) is provided with the parallel flow control upper slide (15) stacking, flow control lower skateboard (16), flow control upper slide (15) and flow control lower skateboard (16) are slidably matched, there is corresponding stream cinder hole at center at flow control upper slide (15) and flow control lower skateboard (16), head piece (14) under slag is installed in below at flow control lower skateboard (16), the endoporus aperture of head piece on slag (13), the aperture of the stream cinder hole of flow control upper slide (15) and flow control downslide (16) plate, the endoporus aperture of head piece under slag (14) matches, flow control upper slide (15) is connected with control unit (8) with flow control lower skateboard (16).
3. the device that can directly recycle vanadium titanium high-temperature slag according to claim 2, it is characterized in that: the cylinder of described slag container (1) has tapering, the back cut diameter of cylinder is greater than lower port diameter, be coated with thermal insulation layer (9) at the barrel wall of slag container (1), have a container cover (10) slag container (1) is suitable for reading.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410353472.5A CN104118985A (en) | 2014-07-24 | 2014-07-24 | Device capable of directly recycling high-temperature vanadium-titanium molten slag |
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| CN201410353472.5A CN104118985A (en) | 2014-07-24 | 2014-07-24 | Device capable of directly recycling high-temperature vanadium-titanium molten slag |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114959310A (en) * | 2022-06-24 | 2022-08-30 | 岳庆丰 | Method for preparing rock wool and vanadium-containing pig iron by smelting stone coal vanadium ore through reduction roasting-electric furnace melting method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114959310A (en) * | 2022-06-24 | 2022-08-30 | 岳庆丰 | Method for preparing rock wool and vanadium-containing pig iron by smelting stone coal vanadium ore through reduction roasting-electric furnace melting method |
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Application publication date: 20141029 |