CN208475988U - A kind of scrap heating furnace body - Google Patents
A kind of scrap heating furnace body Download PDFInfo
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- CN208475988U CN208475988U CN201821102839.6U CN201821102839U CN208475988U CN 208475988 U CN208475988 U CN 208475988U CN 201821102839 U CN201821102839 U CN 201821102839U CN 208475988 U CN208475988 U CN 208475988U
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Abstract
The utility model relates to a kind of scrap heating furnace bodies, and furnace body is transparent, and two sides are provided with multilayer combustion device, and the burner of two sides is symmetrical or shifts to install；Automatic ignition hole is provided with below burner, burner has head protector, and head protector is located on automatic ignition hole, and automatic ignition hole is flushed with inboard wall of furnace body, and head protector shell extends into furnace body, and head protector case top is bent downwardly and is arc transition；The angle α of the inclined furnace wall in head protector upper end and horizontal direction is 30-60 °；The inner wall of bottom of furnace body is parallel with vertical direction or is tilted a certain angle to furnace interior, and inclined angle beta is 0-45 °；Furnace body two sides are equipped with the vertical and horizontal reinforcing rib to interlock in cross distribution, and burner is located at the cross crosspoint of reinforcing rib.The utility model homogeneous heating, heating efficiency is high, and fuel availability is high, alleviates collision of the blanking to burner, reduces the wear rate of burner, extends the service life of burner.
Description
Technical field
The utility model belongs to steel scrap baking technology field, specifically a kind of scrap heating furnace body.
Background technique
In steel production, in order to energy-saving, it usually needs preheated to steel scrap, for economic benefit, steel scrap adds
It is hot that converter energy consumption on the one hand can be greatly reduced, simultaneously because the shortening of the duration of heat, disappears to the extension of lining durability, electrode
The reduction of consumption, the reduction of maintenance cost, the raising of yield, the raising of steel grade quality have different degrees of contribution, mixed economy
Benefit.
Existing scrap heating furnace body bearing capacity is small, and heating is uneven, and fuel availability is not high, by the steel scrap to fall
Shock it is serious, the wear rate of burner nozzle is high, and furnace body is easily-deformable.
Summary of the invention
The utility model aim is for overcome the deficiencies in the prior art and provides a kind of scrap heating furnace body, heating furnace body
Multilayer combustion device is arranged in two sides, and multilayer combustion device is dislocatedly distributed, and not only increases the utilization rate of heating efficiency and fuel, and
Make to heat more uniformization；Head protector can protect burner not by the shock of blanking, reduces wear rate, extends heating furnace body
Service life.
It the purpose of this utility model and solves its technical problem and adopts the following technical solutions to realize.It is practical according to this
A kind of scrap heating furnace body of novel proposition, the furnace body are up and down permeable structures, and furnace body two sides are provided with multiple burners,
Including first layer burner, second layer burner, third layer burner, three layers of burner are equidistant in the vertical direction or differ
The number of burners of spacing arrangement, two sides is equal or unequal, and the burner of two sides is symmetrically or non-symmetrically arranged, and two
The burner height of a side same layer is equal or unequal；The vent line of each burner connects with air-source and coal gas source
It is logical；
It is provided with automatic ignition hole below each burner, and each burner has head protector, head protector is located at
On automatic ignition hole, automatic ignition hole is flushed with inboard wall of furnace body, and the shell of head protector extends into furnace body, head protector shell top
Portion is bent downwardly and is arc transition；The angle α of the inclined furnace wall in head protector upper end and horizontal direction is between 30-60 °；
The inner wall of bottom of furnace body is parallel with vertical direction or is tilted a certain angle to furnace interior, and inclined angle beta is 0-
45 °, i.e. the angle β of the inner wall of bottom of furnace body and vertical direction is 0-45 °；Furnace body two sides are equipped with multilayer reinforcing rib, reinforcing rib
Including lateral reinforcing rib and vertical reinforcing rib, the reinforcing rib of both direction is staggeredly in cross distribution, burner position anyhow
In the cross crosspoint of reinforcing rib.
It the purpose of this utility model and solves its technical problem also following technical measures can be used to further realize.
Scrap heating furnace body above-mentioned, wherein the burner total quantity of furnace body two sides is equal and arranged symmetrically, first layer
Burner, second layer burner, the quantity of third layer burner are equal or unequal, the burner of same side between layers
It shifts to install.
Scrap heating furnace body above-mentioned, wherein the burner total quantity of furnace body two sides is unequal and asymmetric setting, and two
The burner of a side same layer shifts to install, and first layer burner, second layer burner, the quantity of third layer burner are equal
Or it is unequal, and the burner of same side between layers shifts to install.
Scrap heating furnace body above-mentioned, wherein the inclined furnace wall in head protector upper end and the vertical inner wall of furnace body it
Between be arc transition, the angle α of the inclined furnace wall in head protector upper end and horizontal direction is 45-55 °.
Scrap heating furnace body above-mentioned, wherein the furnace body is to be integrally cast or be welded with steel plate.
Scrap heating furnace body above-mentioned, wherein the cross-sectional shape of furnace body above, below opening be rectangle or circle or
Ellipse or polygon one kind, according under working condition demand selection above, below opening cross-sectional shape it is identical or
It is not identical.
Scrap heating furnace body above-mentioned, wherein the outer surface of furnace body is also equipped with heat-insulated protection cotton；Two end faces of furnace body
And/or two sides are additionally provided with suspension hook.
By above-mentioned technical proposal, it is the advantages of the utility model with effect:
(1) multilayer combustion device is arranged in heating furnace body two sides, and multilayer combustion device is dislocatedly distributed, the burner alignment of two sides or
It is dislocatedly distributed, not only increases heating efficiency, and make to heat more uniformization.
(2) head protector can protect burner not by the shock of blanking, reduces wear rate, prolongs its service life.
(3) the utility model thoroughly changes only one material mouth of traditional heating furnace body, and charging blowing shares a material mouth
The case where, the furnace body of the utility model is transparent, and as drain hole opposite opened can be arranged in bottom of furnace body in opening below
Flap valve, when heating, close flap valve, and when blowing opens flap valve, and the opposite opened flap valve opened can play the work of guide
With avoiding material leakage.
Due to there is burner on heating furnace body, burner is connect by pipeline with blower, coal gas source, and traditional heating furnace is only
Have a material mouth, need to move back and forth carry out charging or blowing, heating furnace otherwise the ventilation pipe for needing to grow very much support or need
Ventilation pipe is dismounted back and forth, neither convenient for long-time service and maintenance.The utility model is made due to the opening below furnace body
For dedicated drain hole, heating furnace, which need not move back and forth, carries out charging blowing, and steel scrap is hoisted to heating furnace by overhead traveling crane when charging
Top, when blowing, from bottom of furnace body blowing.Greatly facilitate scrap steel preheating baking operation.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and being implemented in accordance with the contents of the specification, and in order to allow the utility model above-mentioned advantage and other purposes,
Feature and advantage can be more clearly understood, and special below to lift preferred embodiment, detailed description are as follows.
Detailed description of the invention
Fig. 1 is the symmetrically arranged main view of the utility model furnace body two sides burner；
Fig. 2 is the main view that the utility model furnace body two sides burner shifts to install；
Fig. 3 is the right view of Fig. 1；
Fig. 4 is the top view of Fig. 3；
Fig. 5 is the top view in the cross section A-A in Fig. 3；
Fig. 6 is the top view after the right view of Fig. 2.
[element and symbol description]
1: first layer burner 2: second layer burner 3: third layer burner 4: automatic ignition hole 5: head protector 6:
The inclined furnace wall 7 in head protector upper end: the inner wall 8 of bottom of furnace body: reinforcing rib 9: suspension hook
Specific embodiment
Further to illustrate that the utility model is the technical means and efficacy reaching predetermined goal of the invention and being taken, below
In conjunction with attached drawing and preferred embodiment, to according to the utility model proposes scrap heating furnace body, specific embodiment, structure,
Feature and its effect, detailed description is as follows.
In the description of the present invention, it should be noted that the term of the indicating position, such as: upper and lower, left and right
Etc. being all based on orientation or positional relationship shown in the drawings, it is only for convenient for description the utility model and simplify description, and
Be not indication or suggestion meaning device or element must according to specific orientation, be constructed and operated in a specific orientation, therefore
It should not be understood as limiting the present invention.
By taking Fig. 1 as an example, the scrap heating furnace body of the utility model is up and down permeable structures, and two sides are provided with multiple combustions
Burner, including first layer burner 1, second layer burner 2, third layer burner 3, first layer burner 1, second layer burner
2, the equidistant or unequal spacing arrangement in the vertical direction of third layer burner 3, the number of burners of two sides can be equal
Can also be unequal, the burner of two sides can be symmetrical arranged or asymmetric setting, the same layer burner of two sides
Height can be equal or unequal.
It is provided with automatic ignition hole 4 below each burner, each burner has head protector 5, and head protector 5 is located at
On automatic ignition hole 4, automatic ignition hole is flushed with inboard wall of furnace body, and the shell of head protector extends into furnace body, head protector shell
Top is bent downwardly and is arc transition, and head protector can prevent the steel scrap to fall when blanking from colliding automatic ignition hole.Protection
Preferably arc transition, the inclined furnace wall 6 in head protector upper end and water between the inclined furnace wall 6 in cap upper end and the vertical inner wall of furnace body
Square to angle α be preferably preferably 45-55 ° between 30-60 °, such as 51 °.
The inner wall 7 of bottom of furnace body can be parallel with vertical direction, can also be tilted a certain angle to furnace interior, preferably adopt
It takes and is tilted a certain angle, guide can be played the role of when having toasted blanking in this way.Inclined angle beta is 0-45 °, i.e. bottom of furnace body
Inner wall 7 and vertical direction angle β be 0-45 °, such as 25 °, as shown in Figure 1.
The furnace body, which can be, to be integrally cast, and is also possible to be welded with steel plate.There are multilayer in furnace body two sides
Reinforcing rib 8, including lateral reinforcing rib and vertical reinforcing rib, the reinforcing rib of both direction is staggeredly in cross distribution anyhow,
Burner is located at the cross crosspoint of reinforcing rib, as shown in Figure 3.
A kind of scheme are as follows: the burner total quantity of heating furnace body two sides is equal and arranged symmetrically, first layer burner,
Two layers of burner, the quantity of third layer burner are equal or unequal, and the burner of same side between layers shifts to install.
Such as Fig. 1, Fig. 3, Fig. 4, shown in Fig. 5.
Another scheme are as follows: the burner total quantity of heating furnace body two sides is unequal and asymmetric setting, two sides
The burner of same layer shifts to install, first layer burner, second layer burner, third layer burner quantity is equal or not phase
Deng, and the burner of same side between layers shifts to install.As shown in Figure 2 and Figure 6.Fig. 2 is that two sides of furnace body are same
The main view that the burner of layer shifts to install, the right view of Fig. 2 can be consistent with Fig. 3, i.e. first layer and third layer burner number
Measure equal, first layer shown in Fig. 3 and third layer burner are 7, and second layer number of burners is more than first layer or third layer
One, second layer burner shown in Fig. 3 is 8, and three layers of burner shift to install, in this case, first in the left view of Fig. 2
Layer, the second layer, third layer burner quantity should be respectively 8,7,8, top view is as shown in Figure 6.
For both the above scheme depending on actual working conditions, two schemes can improve the pre- thermal efficiency, and make to toast
More uniformization.
The utility model is not limited only to both the above scheme, can there is other a variety of arrangements according to the actual situation, but
The embodiments of the present invention are belonged to, details are not described herein.
The bottom of the heating furnace body can be set opposite opened flap valve, and under baking state, which is closed,
When discharging, opposite opened flap valve is opened, and opposite opened flap valve can play the role of guide when opening, and prevents material leakage.The technology
It has been described in detail in other patents that the applicant applies on the same day, details are not described herein.
The cross-sectional shape of heating furnace body above, below opening is the one of rectangle or round or ellipse or polygon
Kind, the cross-sectional shape according to the demand selection above, below opening under working condition is consistent or inconsistent.
Further, for excessively high heating temperature demand, heat-insulated protection cotton can also be installed in the outer surface of furnace body.Heating
Suspension hook 9 can also be arranged in two end faces and/or two sides of furnace body, use for lifting by crane.
The above descriptions are merely preferred embodiments of the present invention, not does in any form to the utility model
Limitation, any person skilled in the art do not departing within the scope of technical solutions of the utility model, practical new according to this
The technical spirit of type any simple modification, equivalent change and modification made to the above embodiment, still fall within the utility model
In the range of technical solution.
Claims (7)
1. a kind of scrap heating furnace body, it is characterised in that: the furnace body is up and down permeable structures, and furnace body two sides are provided with multiple
Burner, including first layer burner (1), second layer burner (2), third layer burner (3), three layers of burner are in vertical side
Equidistant or unequal spacing arrangement upwards, the number of burners of two sides is equal or unequal, the burner pair of two sides
Claim or asymmetric setting, the burner height of two side same layers are equal or unequal；The vent line of each burner is equal
It is connected to air-source and coal gas source；
It is provided with automatic ignition hole (4) below each burner, and each burner has head protector (5), head protector (5)
On automatic ignition hole (4), automatic ignition hole is flushed with inboard wall of furnace body, and the shell of head protector extends into furnace body, protection
Cap case top is bent downwardly and is arc transition；The angle α of the inclined furnace wall in head protector upper end (6) and horizontal direction is 30-
Between 60 °；
The inner wall (7) of bottom of furnace body is parallel with vertical direction or is tilted a certain angle to furnace interior, and inclined angle beta is 0-
45 °, i.e. the angle β of the inner wall (7) of bottom of furnace body and vertical direction is 0-45 °；Furnace body two sides are equipped with multilayer reinforcing rib (8),
Reinforcing rib (8) includes lateral reinforcing rib and vertical reinforcing rib, and the reinforcing rib of both direction is staggeredly in cross distribution anyhow,
Burner is located at the cross crosspoint of reinforcing rib.
2. scrap heating furnace body as described in claim 1, it is characterised in that the burner total quantity of furnace body two sides it is equal and
It is symmetrical arranged, first layer burner, second layer burner, the quantity of third layer burner are equal or unequal, the same side surface layer
Burner between layer shifts to install.
3. scrap heating furnace body as described in claim 1, it is characterised in that the burner total quantity of furnace body two sides is unequal
And asymmetric setting, the burner of two side same layers shift to install, first layer burner, second layer burner, third layer
The quantity of burner is equal or unequal, and the burner of same side between layers shifts to install.
4. scrap heating furnace body as described in claim 1, it is characterised in that the inclined furnace wall in head protector upper end (6) with
It is arc transition between the vertical inner wall of furnace body, the angle α of the inclined furnace wall in head protector upper end (6) and horizontal direction is 45-
55°。
5. scrap heating furnace body as described in claim 1, it is characterised in that the furnace body is to be integrally cast or use steel
Plate is welded.
6. scrap heating furnace body as described in claim 1, it is characterised in that furnace body above, below opening cross-sectional shape be
One kind of rectangle or round or ellipse or polygon, according to the cross of the demand selection above, below opening under working condition
Cross sectional shape is identical or not identical.
7. scrap heating furnace body as described in claim 1, it is characterised in that the outer surface of furnace body is also equipped with heat-insulated protection cotton；
Two end faces and/or two sides of furnace body are additionally provided with suspension hook (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821102839.6U CN208475988U (en) | 2018-07-12 | 2018-07-12 | A kind of scrap heating furnace body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821102839.6U CN208475988U (en) | 2018-07-12 | 2018-07-12 | A kind of scrap heating furnace body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208475988U true CN208475988U (en) | 2019-02-05 |
Family
ID=65210410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821102839.6U Active CN208475988U (en) | 2018-07-12 | 2018-07-12 | A kind of scrap heating furnace body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208475988U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115625197A (en) * | 2022-10-14 | 2023-01-20 | 西咸新区致诚泰金属科技有限公司 | BT line rolling process and BT line rolling device |
-
2018
- 2018-07-12 CN CN201821102839.6U patent/CN208475988U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115625197A (en) * | 2022-10-14 | 2023-01-20 | 西咸新区致诚泰金属科技有限公司 | BT line rolling process and BT line rolling device |
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