CN204211786U - The bonnet of rotatable metallurgical furnace and there is its rotatable metallurgical furnace - Google Patents
The bonnet of rotatable metallurgical furnace and there is its rotatable metallurgical furnace Download PDFInfo
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- CN204211786U CN204211786U CN201420652362.4U CN201420652362U CN204211786U CN 204211786 U CN204211786 U CN 204211786U CN 201420652362 U CN201420652362 U CN 201420652362U CN 204211786 U CN204211786 U CN 204211786U
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- cover body
- bonnet
- metallurgical furnace
- rotatable metallurgical
- web plate
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Abstract
The utility model discloses a kind of bonnet of rotatable metallurgical furnace and there is its 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; Sealing felt pan, described sealing felt pan is located at the lower end of described first cover body and described second cover body and the circumference along the lower end of described first cover body and described second cover body extends.Have according to the bonnet of the rotatable metallurgical furnace of the utility model embodiment that volume is little, take up room little, the not easily advantage such as dust stratification, long service life, good airproof performance.
Description
Technical field
The utility model relates to field of metallurgy, in particular to a kind of rotatable metallurgical furnace bonnet and there is its rotatable metallurgical furnace.
Background technology
The rotatable metallurgical furnace of such as converter 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, and the water coolant in water jacket needs special cooling provision, cannot reclaim heat, thus the work-ing life of existing bonnet is short, and stopping property is poor.
Utility model content
The utility model is intended at least to solve one of technical problem existed in prior art.For this reason, an object of the present utility model is the bonnet proposing a kind of rotatable metallurgical furnace, and the bonnet of this rotatable metallurgical furnace has that volume is little, take up room little, the not easily advantage such as dust stratification, long service life, good airproof performance.
The utility model also proposes a kind of rotatable metallurgical furnace with the bonnet of described rotatable metallurgical furnace.
For achieving the above object, a kind of bonnet of rotatable metallurgical furnace is proposed according to first aspect of the present utility model, 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; Sealing felt pan, described sealing felt pan be located at described first cover body and described second cover body lower end and along the extending radially inwardly of lower end of described first cover body and described second cover body.
Have according to the bonnet of rotatable metallurgical furnace of the present utility model that volume is little, take up room little, the not easily advantage such as dust stratification, long service life, good airproof performance.
In addition, according to the bonnet of rotatable metallurgical furnace of the present utility model, also there is following additional technical feature:
The outer side of the lower end of described first cover body and described second cover body is provided with outward extending back up pad, on the outer edge that described sealing felt pan is located at described back up pad and along the extending radially inwardly of lower end of the first cover body and the second cover body.
The outer edge of described back up pad is provided with the first flange and the second flange, and described sealing felt pan is clamped between described first flange and described second flange.
The inside edge of described back up pad is welded on the outer side of the lower end of described first cover body and described second cover body, and described first flange, described second flange and described sealing felt pan are arranged on the outer edge of described back up pad by screw bolt and nut.
Described second cover body is provided with emergent smoke outlet, and described emergent smoke outlet is located at the middle part of described second cover body along the vertical direction.
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.
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.
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.
Described first cover body and the second cover body are made up of membrane wall or alloy steel plate.
Propose a kind of rotatable metallurgical furnace according to second aspect of the present utility model, 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 the rotatable metallurgical furnace according to first aspect of the present utility model, and described sealing felt pan is centered around the outside of the upper end of described body of heater.
According to rotatable metallurgical furnace of the present utility model, by utilizing the bonnet of rotatable metallurgical furnace according to first aspect of the present utility model, have that volume is little, take up room little, the not easily advantage such as dust stratification, long service life, good airproof performance.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model 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 utility model embodiment;
Fig. 2 is the front view of the bonnet of rotatable metallurgical furnace according to the utility model embodiment;
Fig. 3 is the amplification view in B region in Fig. 2;
Fig. 4 is the side-view of the bonnet of rotatable metallurgical furnace according to another embodiment of the utility model;
Fig. 5 is the enlarged diagram at expansion joint place in Fig. 4.
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, sealing felt pan 400, back up pad 500, first flange 600, second flange 700.
Embodiment
Be described below in detail embodiment of the present utility model, 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.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.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 description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " 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, particular case the concrete meaning of above-mentioned term in the utility model can be understood.
Below with reference to the accompanying drawings the bonnet 1 of the rotatable metallurgical furnace according to the utility model embodiment is described.
As Figure 1-Figure 5, the first cover body 100, second cover body 200 and sealing felt pan 400 is comprised according to the bonnet 1 of the rotatable metallurgical furnace of the utility model embodiment.
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. 5).Second cover body 200 is arc, and 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.Sealing felt pan 400 is located at the lower end of the first cover body 100 and the second cover body 200, and sealing felt pan 400 is along the extending radially inwardly of lower end of the first cover body 100 and the second cover body 200.
According to the bonnet 1 of the rotatable metallurgical furnace of the utility model embodiment, 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 sealing felt pan 400 in the lower end of the first cover body 100 and the second cover body 200, and sealing felt pan 400 is along the extending radially inwardly of lower end of the first cover body 100 and the second cover body 200, the space of sealing felt pan 400 further between minimizing body of heater and bonnet 1 can be utilized like this, minimizing freezing air enters along this space and causes topical hypothermia and make this region smoke components condense and add heavy corrosion, thus extends the work-ing life of bonnet 1.And sealing felt pan 400 is flexible piece, has larger expansion space, can meet expanding needs, do not hinder body of heater to rotate.Therefore, have according to the bonnet 1 of the rotatable metallurgical furnace of the utility model embodiment that volume is little, take up room little, the not easily advantage such as dust stratification, long service life, good airproof performance.
Below with reference to the accompanying drawings the bonnet 1 of the rotatable metallurgical furnace according to the utility model specific embodiment is described.
In specific embodiments more of the present utility model, as Figure 1-Figure 5, the first cover body 100, second cover body 200 and sealing felt pan 400 is comprised according to the bonnet 1 of the rotatable metallurgical furnace of the utility model embodiment.
As shown in Figure 1-Figure 3, the outer side of the lower end of the first cover body 100 and the second cover body 200 is provided with outward extending back up pad 500, on the outer edge that sealing felt pan 400 is located at back up pad 500 and along the extending radially inwardly of lower end of the first cover body 100 and the second cover body 200.By arranging the back up pad 500 of outwards hanging, and sealing felt pan 400 is arranged on back up pad 500 hangs on the edge that, sealing felt pan 400 and fire door high-temperature zone can be made to keep certain distance, to improve the work-ing life sealing felt pan 400, and can so that the installation of seal felt pad 400 and replacing.
Further, as shown in Figure 3, the upwards bending and be provided with the first flange 600 and the second flange 700 of the outer edge of back up pad 500, sealing felt pan 400 is clamped between the first flange 600 and the second flange 700.Not only can improve the sealing position of felt pan 400 and the stability of own form thus, to ensure sealing effectiveness, and can play a protective role to sealing felt pan 400.
Alternatively, as shown in Figure 3, the inside edge of back up pad 500 is welded on the outer side of the lower end of the first cover body 100 and the second cover body 200, and the first flange 600, second flange 700 and sealing felt pan 400 are arranged on the outer edge of back up pad 500 by screw bolt and nut.Sealing reliability of structure can be ensured thus, and be convenient to the dismounting sealing felt pan 400.
In specific embodiments more of the present utility model, as shown in Figure 1 and Figure 4, in order in case of emergency discharge the high-temperature flue gas of the bonnet 1 of rotatable metallurgical furnace, second cover body 200 is provided with emergent smoke outlet 210, can in particular cases open emergent smoke outlet 210 at some like this, the high-temperature flue gas in the bonnet 1 of rotatable metallurgical furnace is discharged from emergent smoke outlet 210.
Wherein, as shown in Figure 1 and Figure 4, 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 4, 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 utility model, 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 4) by expansion joint 300.
Alternatively, the first cover body 100 and the second cover body 200 can be made up of alloy steel plate, reach radiating effect by superficial air flowing.First cover body 100 and the second cover body 200 also can be made up of membrane wall individually or simultaneously, 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 utility model, as shown in Figure 4 and Figure 5, 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 5, 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 utility model embodiment is described below.Rotatable metallurgical furnace according to the utility model embodiment comprises body of heater (not shown) and bonnet.
Described bonnet is the bonnet 1 of the rotatable metallurgical furnace according to the utility model above-described embodiment.Described body of heater has exhanst gas outlet, and bonnet 1 is located at above described exhanst gas outlet, and sealing felt pan 400 is centered around the outside of the upper end of described body of heater.
According to the rotatable metallurgical furnace of the utility model embodiment, by utilizing the bonnet 1 of rotatable metallurgical furnace according to the embodiment of first aspect of the present utility model, have that volume is little, take up room little, the not easily advantage such as dust stratification, long service life, good airproof performance.
According to the rotatable metallurgical furnace of the utility model embodiment 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 ", " illustrative examples ", " 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 utility model 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 described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and aim, scope of the present utility model is by claim and equivalents thereof.
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;
Sealing felt pan, described sealing felt pan be located at described first cover body and described second cover body lower end and along the extending radially inwardly of lower end of described first cover body and described second cover body.
2. the bonnet of rotatable metallurgical furnace according to claim 1, it is characterized in that, the outer side of the lower end of described first cover body and described second cover body is provided with outward extending back up pad, on the outer edge that described sealing felt pan is located at described back up pad and along the extending radially inwardly of lower end of the first cover body and the second cover body.
3. the bonnet of rotatable metallurgical furnace according to claim 2, is characterized in that, the outer edge of described back up pad is provided with the first flange and the second flange, and described sealing felt pan is clamped between described first flange and described second flange.
4. the bonnet of rotatable metallurgical furnace according to claim 3, it is characterized in that, the inside edge of described back up pad is welded on the outer side of the lower end of described first cover body and described second cover body, and described first flange, described second flange and described sealing felt pan are arranged on the outer edge of described back up pad by screw bolt and nut.
5. the bonnet of rotatable metallurgical furnace according to claim 1, is characterized in that, described second cover body is provided with emergent smoke outlet, and described emergent smoke outlet is located at the middle part of described second cover body along the vertical direction.
6. 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.
7. 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.
8. the bonnet of rotatable metallurgical furnace according to claim 7, 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.
9. the bonnet of rotatable metallurgical furnace according to claim 1, is characterized in that, described first cover body and the second cover body are made up of membrane wall or alloy steel plate.
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, and described sealing felt pan is centered around the outside of the upper end of described body of heater.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420652362.4U CN204211786U (en) | 2014-11-04 | 2014-11-04 | The bonnet of rotatable metallurgical furnace and there is its rotatable metallurgical furnace |
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| CN201420652362.4U CN204211786U (en) | 2014-11-04 | 2014-11-04 | The bonnet of rotatable metallurgical furnace and there is its rotatable metallurgical furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374195A (en) * | 2014-11-04 | 2015-02-25 | 中国恩菲工程技术有限公司 | Furnace hood for rotatable metallurgical furnace and rotatable metallurgical furnace provided with same |
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2014
- 2014-11-04 CN CN201420652362.4U patent/CN204211786U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374195A (en) * | 2014-11-04 | 2015-02-25 | 中国恩菲工程技术有限公司 | Furnace hood for rotatable metallurgical furnace and rotatable metallurgical furnace provided with same |
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