CN104372171A - Furnace cover of rotatable metallurgical furnace and rotatable metallurgical furnace with furnace cover - Google Patents
Furnace cover of rotatable metallurgical furnace and rotatable metallurgical furnace with furnace cover Download PDFInfo
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- CN104372171A CN104372171A CN201410612281.6A CN201410612281A CN104372171A CN 104372171 A CN104372171 A CN 104372171A CN 201410612281 A CN201410612281 A CN 201410612281A CN 104372171 A CN104372171 A CN 104372171A
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- cover body
- bonnet
- metallurgical furnace
- plate
- rotatable metallurgical
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Abstract
The invention discloses a furnace cover of a rotatable metallurgical furnace and the rotatable metallurgical furnace with the furnace cover. The furnace cover of the rotatable metallurgical furnace comprises a first cover body, a second cover body and an inserting plate, wherein the first cover body is shaped like a straight tube, the lower end face of the first cover body is arc-shaped, and a main smoke outlet is formed in the upper end of the first cover body; the second cover body is arc-shaped, the upper end of the second cover body is connected with the side wall at the lower end of the first cover body, the lower edge of the second cover body and the lower end face of the first cover body are located on the same circumference, an emergent smoke outlet is formed in the second cover body, and a radial inserting hole formed between the emergent smoke outlet and the upper end of the second cover body is formed in the second cover body; and the inserting plate is movably arranged in the radial inserting hole along the radial direction. The furnace cover of the rotatable metallurgical furnace, disclosed by the embodiment of the invention, has the advantages of small size and occupied space, no ash deposition, good sealing performance, convenience in process overhaul and regulation and the like.
Description
Technical field
The present invention relates to field of metallurgy, in particular to a kind of rotatable metallurgical furnace bonnet and there is its rotatable metallurgical furnace.
Background technology
Such as the rotatable metallurgical furnace of rotatable metallurgical furnace is conventional metallurgical industry equipment.Rotatable metallurgical furnace is widely used in the melting of non-ferrous metal, in fusion process, in order to the waste heat of the rotatable metallurgical furnace of efficient recovery, above rotatable metallurgical furnace smoke outlet, waste heat boiler is set, waste heat boiler is connected with rotatable metallurgical furnace by bonnet, to make high-temperature flue gas enter waste heat boiler from rotatable metallurgical furnace, thus reclaim the heat in high-temperature flue gas by heat exchange.
The bonnet volume of existing rotatable metallurgical furnace is large, takes up space large, and easy dust stratification, bonnet adopt water jacket cooling, water coolant in water jacket needs special cooling provision, cannot reclaim heat, thus the work-ing life of existing bonnet is short, and technique maintenance and adjustment inconvenience.
Summary of the invention
The present invention is intended to one of solve the problems of the technologies described above at least to a certain extent.For this reason, one object of the present invention is the bonnet proposing a kind of rotatable metallurgical furnace, the bonnet of this rotatable metallurgical furnace have volume little, take up room little, not easily dust stratification, good airproof performance, be convenient to the advantages such as technique maintenance and adjustment.
The present invention also proposes a kind of rotatable metallurgical furnace with the bonnet of described rotatable metallurgical furnace.
For achieving the above object, embodiment according to a first aspect of the invention proposes a kind of bonnet of rotatable metallurgical furnace, the bonnet of described rotatable metallurgical furnace comprises: the first cover body, described first cover body is straight tube shape and the lower surface of described first cover body is arc, and the upper end of described first cover body is provided with main smoke outlet; Second cover body, described second cover body is arc, the upper end of described second cover body be connected with the sidewall of the lower end of described first cover body and the lower surface of the lower edge of described second cover body and described first cover body circumferentially same, described second cover body is provided with emergent smoke outlet, and described second cover body is provided with the radial jack between described emergent smoke outlet and the upper end of described second cover body; Plate, described plate is radially located in described radial jack movably.
According to the bonnet of the rotatable metallurgical furnace of the embodiment of the present invention have volume little, take up room little, not easily dust stratification, good airproof performance, be convenient to technique maintenance and the advantage such as adjustment.
In addition, rotatable metallurgical furnace according to the above embodiment of the present invention can also have following additional technical characteristic:
According to one embodiment of present invention, the both sides of described radial jack are provided with slide rail, and described plate coordinates with described slide rail movably.
According to one embodiment of present invention, the bonnet of described rotatable metallurgical furnace also comprises winding plant, and described winding plant is connected with described plate, for mobile described plate.
According to one embodiment of present invention, described emergent smoke outlet is located at the middle part of described second cover body along the vertical direction.
According to one embodiment of present invention, the sidewall of the lower end of described first cover body is provided with arc and connects pipeline section, and the upper end of described second cover body is connected pipeline section and is connected with described arc.
According to one embodiment of present invention, described first cover body and described second cover body are integrally formed; Or described first cover body is formed with described second cover body split and is connected by expansion joint.
According to one embodiment of present invention, described first cover body is formed with described second cover body split and is connected by expansion joint, and described expansion joint comprises: the first web plate, and described first web plate is fixed on described first cover body; Second web plate, described second web plate is fixed on described second cover body; Flexible link belt, one end of described flexible link belt is connected with described first web plate, second end of described flexible link belt is connected with described second web plate, wherein said flexible link belt, the first web plate, the second web plate, the first cover body and the second cover body limit annular seal space, are filled with lock packing in described annular seal space.
According to one embodiment of present invention, dividing plate is provided with in described annular seal space, described dividing plate is connected with described first web plate or the second web plate, and described dividing plate is provided with woven wire, and described lock packing comprises the lower filler portion be positioned at below described dividing plate and the upper filler portion be positioned at above described dividing plate.
According to one embodiment of present invention, at least one in described first cover body, the second cover body and described plate is made up of membrane wall.
Propose a kind of rotatable metallurgical furnace according to a second aspect of the invention, described rotatable metallurgical furnace comprises: body of heater, and described body of heater has exhanst gas outlet; Bonnet, described bonnet is located at above described exhanst gas outlet, and described bonnet is the bonnet of rotatable metallurgical furnace described according to a first aspect of the invention.
According to the rotatable metallurgical furnace of the embodiment of the present invention, by utilizing the bonnet of the rotatable metallurgical furnace described in embodiment according to a first aspect of the invention, have that volume is little, take up room little, not easily dust stratification, good airproof performance, technique maintenance and the advantage such as easy to adjust.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the side-view of the bonnet of rotatable metallurgical furnace according to the embodiment of the present invention;
Fig. 2 is the side-view of the bonnet of rotatable in accordance with another embodiment of the present invention metallurgical furnace;
Fig. 3 is the enlarged diagram at expansion joint place in Fig. 2;
Fig. 4 is the plate of bonnet according to the rotatable metallurgical furnace of the embodiment of the present invention and the front view of winding plant.
Accompanying drawing illustrates: bonnet 1, first cover body 100 of rotatable metallurgical furnace, main smoke outlet 110, arc connect pipeline section 120, second cover body 200, emergent smoke outlet 210, expansion joint 300, first web plate 310, second web plate 320, flexible link belt 330, lock packing 340, upper filler portion 341, lower filler portion 342, dividing plate 350, woven wire 360, plate 400, slide rail 410, winding plant 500.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, except as otherwise noted, the implication of " multiple " is two or more, unless otherwise clear and definite restriction.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
Below with reference to the accompanying drawings the bonnet 1 of the rotatable metallurgical furnace according to the embodiment of the present invention is described.
As Figure 1-Figure 4, the first cover body 100, second cover body 200 and plate 400 is comprised according to the bonnet 1 of the rotatable metallurgical furnace of the embodiment of the present invention.
First cover body 100 is straight tube shape and the lower surface of the first cover body 100 is arc, and the upper end of the first cover body 100 is provided with main smoke outlet 110 (above-below direction is as shown in the arrow A in Fig. 1-Fig. 4).Second cover body 200 is arc, the upper end of the second cover body 200 is connected with the sidewall of the lower end of the first cover body 100, and the lower surface of the lower edge of the second cover body 200 and the first cover body 100 is circumferentially same, second cover body 200 is provided with the radial jack that emergent smoke outlet 210, second cover body 200 is provided with the extension of the radial direction along the second cover body 200 between emergent smoke outlet 210 and the upper end of the second cover body 200.Plate 400 is located in described radial jack movably along the radial direction of the second cover body 200.
According to the bonnet 1 of the rotatable metallurgical furnace of the embodiment of the present invention, by the second cover body 200 is arranged to arc, and arc is arranged in the lower surface of the first cover body 100, make the lower surface of the lower edge of the second cover body 200 and the first cover body 100 circumferentially same, thus make the shape adaptation of bonnet 1 bottom of rotatable metallurgical furnace in the movement locus of body of heater upper end, the volume of the bonnet 1 of rotatable metallurgical furnace significantly can be reduced like this when ensureing the collecting effect to high-temperature flue gas, the space that bonnet 1 entirety reducing rotatable metallurgical furnace takies, and the first cover body 100 not easily dust stratification of arc, good airproof performance.In addition, by arranging emergent smoke outlet 210 and the radial jack between emergent smoke outlet 210 and the upper end of the second cover body 200 on the second cover body 200, and the plate 400 that can move radially is set in described radial jack, like this can when inserting plate 400 in the second cover body 200, plate 400 is utilized to be separated by flue gas, thus be convenient to technique maintenance and adjustment, and when the fire door slagging scorification of body of heater is serious, one section of plate 400 can be pulled out to dodge blow-on slag, avoid plate 400 to affect the normal rotation of body of heater.Therefore, according to the bonnet 1 of the rotatable metallurgical furnace of the embodiment of the present invention have volume little, take up room little, not easily dust stratification, good airproof performance, be convenient to technique maintenance and the advantage such as adjustment.
Below with reference to the accompanying drawings the bonnet 1 of the rotatable metallurgical furnace according to the specific embodiment of the invention is described.
In specific embodiments more of the present invention, as Figure 1-Figure 4, the first cover body 100, second cover body 200 and plate 400 is comprised according to the bonnet 1 of the rotatable metallurgical furnace of the embodiment of the present invention.
As shown in Figure 1 and Figure 4, the both sides of described radial jack are provided with slide rail 410, plate 400 coordinates with slide rail 410 movably, not only can improve the reliability of plate 400 on the second cover body 200 thus, and slide rail 410 can be utilized to limit the motion track of plate 400, improve stability when plate 400 moves.
Further, as shown in Figure 1, the bonnet 1 of rotatable metallurgical furnace also comprises winding plant 500, winding plant 500 is connected with plate 400, winding plant 500, for movable flashboard 400, can utilize winding plant 500 to drive plate 400 thus, the convenient control to plate 400.
That winding plant 500 is by reel lay winding wire ropes or chain lifting or draw plate 400, and the concrete structure of winding plant 500 is well known by persons skilled in the art, repeats no more here with it will be appreciated by those skilled in the art that.
In concrete examples more of the present invention, as depicted in figs. 1 and 2, emergent smoke outlet 210 is located at the middle part of the second cover body 200 along the vertical direction, on the one hand can convenient operation, on the other hand can so that the discharge of flue gas.
Alternatively, as shown in Figure 2, the sidewall of the lower end of the first cover body 100 is provided with upper end that arc connects pipeline section 120, first cover body 100 is connected pipeline section 120 with arc connected.The first cover body 100 can be made thus to be connected more level and smooth with the second cover body 200, and structure more rationally and better tightness.
In concrete examples more of the present invention, the first cover body 100 and the second cover body 200 can be integrally formed (as shown in Figure 1), and the first cover body 100 is formed with the second cover body 200 also split and is connected (as shown in Figure 2) by expansion joint 300.
Alternatively, the first cover body 100, second cover body 200 and plate 400 can be made up of alloy steel plate, reach radiating effect by superficial air flowing.At least one in first cover body 100, second cover body 200 and plate 400 also can be made up of membrane wall, the water cycle of whole metallurgical furnace is participated in by the water coolant in membrane wall, utilize the water coolant through membrane wall to reduce flue-gas temperature, and membrane wall directly can produce water vapor thus improve cooling efficiency.In addition, adopt membrane wall to also help the operating pressure improving recirculated water, thus membrane wall working temperature is improved, when avoiding cooling, smoke components condenses and adds heavy corrosion, can extend the work-ing life of the bonnet of rotatable metallurgical furnace thus.
In specific embodiments more of the present invention, as shown in Figures 2 and 3, the first cover body 100 is formed with the second cover body 200 split and is connected by expansion joint 300.
Expansion joint 300 comprises the first web plate 310, second web plate 320, flexible link belt 330 and lock packing 340.
First web plate 310 is fixed on the first cover body 100.Second web plate 320 is fixed on the second cover body 200.One end of flexible link belt 330 is connected with the first web plate 310 by screw bolt and nut, and the second end of flexible link belt 330 is connected with the second web plate 320 by screw bolt and nut.Flexible link belt 330, first web plate 310, second web plate 320, first cover body 100 and the second cover body 200 limit the annular seal space above the junction being positioned at the first cover body 100 and the second cover body 200, are filled with lock packing 340 in described annular seal space.The gap of expansion joint 300 excellent sealing first cover body 100 and the second cover body 200 junction can be made thus, and do not affect the relative movement of the first cover body 100 and the second cover body 200.
Further, as shown in Figure 3, dividing plate 350 is provided with in described annular seal space, dividing plate 350 is connected with the first web plate 310 or the second web plate 320, dividing plate 350 is provided with woven wire 360, and lock packing 340 comprises the lower filler portion 342 be positioned at below dividing plate 350 and the upper filler portion 341 be positioned at above dividing plate 350.So not only can ensure the stability of lock packing 340 in described annular seal space, to ensure the sealing effectiveness of lock packing 340 to gap between the first cover body 100 and the second cover body 200, and when can ensure that relative movement occurs for the first cover body 100 and the second cover body 200, lock packing 340 still can play good sealing effectiveness.
Rotatable metallurgical furnace according to the embodiment of the present invention is described below.Rotatable metallurgical furnace according to the embodiment of the present invention comprises body of heater (not shown) and bonnet.
Described bonnet is the bonnet 1 of rotatable metallurgical furnace according to the above embodiment of the present invention.Described body of heater has exhanst gas outlet, and bonnet 1 is located at above described exhanst gas outlet.
According to the rotatable metallurgical furnace of the embodiment of the present invention, by utilizing the bonnet 1 of the rotatable metallurgical furnace described in embodiment according to a first aspect of the invention, have that volume is little, take up room little, not easily dust stratification, good airproof performance, technique maintenance and the advantage such as easy to adjust.
According to the rotatable metallurgical furnace of the embodiment of the present invention other form and operation be all known for those of ordinary skills, be not described in detail here.
In the description of this specification sheets, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, those of ordinary skill in the art can change above-described embodiment within the scope of the invention when not departing from principle of the present invention and aim, revising, replacing and modification.
Claims (10)
1. a bonnet for rotatable metallurgical furnace, is characterized in that, comprising:
First cover body, described first cover body is straight tube shape and the lower surface of described first cover body is arc, and the upper end of described first cover body is provided with main smoke outlet;
Second cover body, described second cover body is arc, the upper end of described second cover body be connected with the sidewall of the lower end of described first cover body and the lower surface of the lower edge of described second cover body and described first cover body circumferentially same, described second cover body is provided with emergent smoke outlet, and described second cover body is provided with the radial jack between described emergent smoke outlet and the upper end of described second cover body;
Plate, described plate is radially located in described radial jack movably.
2. the bonnet of rotatable metallurgical furnace according to claim 1, is characterized in that, the both sides of described radial jack are provided with slide rail, and described plate coordinates with described slide rail movably.
3. the bonnet of rotatable metallurgical furnace according to claim 1, is characterized in that, also comprise winding plant, and described winding plant is connected with described plate, for mobile described plate.
4. the bonnet of rotatable metallurgical furnace according to claim 1, is characterized in that, described emergent smoke outlet is located at the middle part of described second cover body along the vertical direction.
5. the bonnet of rotatable metallurgical furnace according to claim 1, is characterized in that, the sidewall of the lower end of described first cover body is provided with arc and connects pipeline section, and the upper end of described second cover body is connected pipeline section and is connected with described arc.
6. the bonnet of rotatable metallurgical furnace according to claim 1, is characterized in that, described first cover body and described second cover body are integrally formed; Or
Described first cover body is formed with described second cover body split and is connected by expansion joint.
7. the bonnet of rotatable metallurgical furnace according to claim 6, is characterized in that, described first cover body is formed with described second cover body split and is connected by expansion joint, and described expansion joint comprises:
First web plate, described first web plate is fixed on described first cover body;
Second web plate, described second web plate is fixed on described second cover body;
Flexible link belt, one end of described flexible link belt is connected with described first web plate, and the second end of described flexible link belt is connected with described second web plate,
Wherein said flexible link belt, the first web plate, the second web plate, the first cover body and the second cover body limit annular seal space, are filled with lock packing in described annular seal space.
8. the bonnet of rotatable metallurgical furnace according to claim 7, it is characterized in that, dividing plate is provided with in described annular seal space, described dividing plate is connected with described first web plate or the second web plate, described dividing plate is provided with woven wire, and described lock packing comprises the lower filler portion be positioned at below described dividing plate and the upper filler portion be positioned at above described dividing plate.
9. the bonnet of rotatable metallurgical furnace according to claim 1, is characterized in that, at least one in described first cover body, the second cover body and described plate is made up of membrane wall.
10. a rotatable metallurgical furnace, is characterized in that, comprising:
Body of heater, described body of heater has exhanst gas outlet;
Bonnet, described bonnet is located at above described exhanst gas outlet, and described bonnet is the bonnet of the rotatable metallurgical furnace according to any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410612281.6A CN104372171B (en) | 2014-11-04 | 2014-11-04 | The bonnet of rotatable metallurgical furnace and there is its rotatable metallurgical furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410612281.6A CN104372171B (en) | 2014-11-04 | 2014-11-04 | The bonnet of rotatable metallurgical furnace and there is its rotatable metallurgical furnace |
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| Publication Number | Publication Date |
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| CN104372171A true CN104372171A (en) | 2015-02-25 |
| CN104372171B CN104372171B (en) | 2016-11-09 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005105378A (en) * | 2003-09-30 | 2005-04-21 | Sanyo Special Steel Co Ltd | Ladle refining apparatus |
| CN200993379Y (en) * | 2006-11-24 | 2007-12-19 | 中国恩菲工程技术有限公司 | Membrane type smoke cover structure |
| CN204214267U (en) * | 2014-11-04 | 2015-03-18 | 中国恩菲工程技术有限公司 | The bonnet of rotatable metallurgical furnace and there is its rotatable metallurgical furnace |
-
2014
- 2014-11-04 CN CN201410612281.6A patent/CN104372171B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005105378A (en) * | 2003-09-30 | 2005-04-21 | Sanyo Special Steel Co Ltd | Ladle refining apparatus |
| CN200993379Y (en) * | 2006-11-24 | 2007-12-19 | 中国恩菲工程技术有限公司 | Membrane type smoke cover structure |
| CN204214267U (en) * | 2014-11-04 | 2015-03-18 | 中国恩菲工程技术有限公司 | The bonnet of rotatable metallurgical furnace and there is its rotatable metallurgical furnace |
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| Publication number | Publication date |
|---|---|
| CN104372171B (en) | 2016-11-09 |
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