CN209647583U - Burner, Ladle-casting apparatus backpack cover and Ladle-casting apparatus - Google Patents
Burner, Ladle-casting apparatus backpack cover and Ladle-casting apparatus Download PDFInfo
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- CN209647583U CN209647583U CN201920140925.4U CN201920140925U CN209647583U CN 209647583 U CN209647583 U CN 209647583U CN 201920140925 U CN201920140925 U CN 201920140925U CN 209647583 U CN209647583 U CN 209647583U
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- fuel gas
- gas conduit
- inner sleeve
- regulating valve
- burner
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Abstract
Burner, Ladle-casting apparatus backpack cover and Ladle-casting apparatus, the burner includes outer tube, the inner sleeve being set in outer tube, the fuel gas conduit being set to above inner sleeve, the regulating valve being set to below fuel gas conduit and the adjusting rod being connected with regulating valve, the upper surface of inner sleeve is lower than the upper surface of outer tube and has mixed gas outlet, air chamber is formed between the inner wall of outer tube and the outer wall of inner sleeve, the inside of inner sleeve is mixing chamber；The bottom of fuel gas conduit stretches in inner sleeve, and the lower end surface of fuel gas conduit has gas outlet；The vertical section shape of regulating valve be it is trapezoidal, the bottom of regulating valve is greater than gas outlet, and regulating valve at least top can stretch in fuel gas conduit, and lower part or bottom can close gas outlet；Adjusting rod can make regulating valve along the axial movement of fuel gas conduit.A regulating valve moving up and down is arranged in the utility model below fuel gas conduit, and when regulating valve is mobile, the gap between the outer peripheral surface and gas outlet of regulating valve can be changed, to realize the adjusting to flame length.
Description
Technical field
The utility model belongs to burner and roasting packet in steelmaking equipment technical field more particularly to a kind of ladle heating device
Device.
Background technique
Ladle is typically necessary baking after new build and before containing molten steel, and the device for toasting ladle is ladle baking facility,
Also referred to as Ladle-casting apparatus.Ladle baking is one of the key link in STEELMAKING PRODUCTION process, and the performance of Ladle-casting apparatus is to converter tapping temperature
Degree, steelmaking operations rate, furnace life etc. all have a significant impact.Ladle-casting apparatus generally comprises backpack body, the backpack cover being set at the top of backpack body, backpack cover
Backpack body can be sealed, burner is provided on backpack cover, combustion gas and air can be passed through in burner, after burner igniting, to backpack body
Inside carries out high-temperature baking.The length of flame of the burner of existing Ladle-casting apparatus be it is fixed, be not adjustable, in baking process by
It cannot achieve its maximization in the peak value of flame, will affect cured effect, even result in baking time delay, heat consumption improves, no
It is produced conducive to saving.
Summary of the invention
The purpose of the utility model is to provide a kind of igniter burners of adjustable flame length, and there is the point to burn
The Ladle-casting apparatus backpack cover and Ladle-casting apparatus of mouth.
To achieve the goals above, the utility model takes following technical solution:
Burner, comprising: outer tube, the outer tube are connected by air inlet lines with external source of air, the outer tube
It is closed at both ends；The inner sleeve being set in the outer tube, the upper surface of the inner sleeve are lower than the upper surface of the outer tube,
The lower end surface of the inner sleeve is concordant with the lower end surface of the outer tube or stretches out in the lower end surface of the outer tube, the inner sleeve
The lower end surface of pipe has mixed gas outlet, forms air chamber between the inner wall of the outer tube and the outer wall of the inner sleeve,
The inside of the inner sleeve is mixing chamber；The fuel gas conduit being set to above the inner sleeve, the fuel gas conduit pass through combustion gas inlet pipe
It is connected with outer combustion gas source, the bottom of the fuel gas conduit stretches in the inner sleeve, and the lower end surface of the fuel gas conduit has combustion
Gas outlet；The regulating valve being set to below the fuel gas conduit, the vertical section shape of the regulating valve be it is trapezoidal, the regulating valve
Bottom is greater than the gas outlet on the fuel gas conduit lower end surface, and the regulating valve at least top can stretch in the fuel gas conduit,
Lower part or bottom can close the gas outlet of the fuel gas conduit；The adjusting rod being connected with the regulating valve, the adjusting rod can make
The regulating valve is moved along the axis of the fuel gas conduit.
Preferably, the fuel gas conduit is cylindrical, hollow pipe, and the regulating valve is circular cone or rotary table.
Preferably, the adjusting rod is screw rod, and the screw rod is by adjusting nut and is set at the top of the fuel gas conduit
Bracket is connected.
Preferably, middle frame is provided in the fuel gas conduit, the middle frame is connected with the inner wall of the fuel gas conduit, and its
Center is located on the axis of the fuel gas conduit, and the middle frame is provided centrally with the through-hole passed through for adjusting rod, the adjusting
Bar extends through the middle frame.
Preferably, the middle frame is faceplate type middle frame.
The utility model additionally provides a kind of Ladle-casting apparatus backpack cover, burner is provided on Ladle-casting apparatus backpack cover, before the burner is
Burner is stated, the inner sleeve is connected to by the mixed gas outlet of its lower end surface with the inside of backpack cover.
The utility model additionally provides a kind of Ladle-casting apparatus, described including backpack body and the backpack cover being set at the top of the backpack body
Burner is provided on backpack cover, the burner is aforementioned burner, and the inner sleeve passes through the mixed gas outlet and packet of its lower end surface
The inside of lid is connected to.
As shown from the above technical solution, the utility model forms the air chamber of burner using the cannula structure of inside and outside nested type
And mixing chamber, and bottom is set above inner sleeve and stretches to the indoor fuel gas conduit of mixing, below the fuel gas conduit setting one can on
The regulating valve of lower movement, regulating valve can close the gas outlet of combustion gas bottom of the tube, and regulating valve is up-small and down-big structure, work as adjusting
When valve moves up and down, the gap between the outer peripheral surface and gas outlet of regulating valve can be changed, enter so as to regulating gas mixed
The flow of room is closed, and then realizes the adjusting to flame length, the peak value in this way in baking process due to flame realizes its maximum
Change, improve cured effect, reduce baking time, is conducive to save production.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment burner.
Fig. 2 is the front view of the utility model embodiment burner.
Fig. 3 is the side view of the utility model embodiment burner.
Fig. 4 is top view when the utility model embodiment burner removes upper sealing plate.
Fig. 5 is the cross-sectional view of the line A-A along Fig. 4.
Fig. 6 is the inside partial structural diagram of the utility model embodiment fuel gas conduit.
Specific embodiment of the present utility model is described in more detail below in conjunction with attached drawing.
Specific embodiment
As shown in Figures 1 to 4, the burner of the present embodiment includes outer tube 1, inner sleeve 2 and fuel gas conduit 3.In outer tube 1
Both ends be respectively arranged with top sealing plate 1a and bottom sealing plate 1b, top sealing plate 1a, bottom sealing plate 1b make inside it for cooperating outer tube 1
Form a closed space.Inner sleeve 2 is axially set in outer tube 1 along outer tube 1,2 He of inner sleeve of the present embodiment
The axis of outer tube 1 is overlapped, and the bottom of inner sleeve 2 extends downwardly out except bottom sealing plate 1b, interior in other implementations
It the bottom of casing 2 can also be concordant with the bottom of outer tube 1.The mixed gas outlet of 2 bottom of inner sleeve and the backpack cover of Ladle-casting apparatus
Inside connection.It is provided with air inlet on the peripheral wall of outer tube 1, air inlet lines 4, air inlet lines 4 are connected at air inlet
It is connected with external source of air, combustion air can enter in outer tube 1 through air inlet lines 4.2 outer wall of 1 inner wall of outer tube and inner sleeve
Between form the air chamber a for accommodating combustion air, be mixing chamber b inside inner sleeve 2.The top of inner sleeve 2 not with top sealing plate 1a
Contact, therefore air chamber a is connected to top of the mixing chamber b in outer tube 1, so that the combustion air being located in air chamber a can
Enter in mixing chamber b (Fig. 5) from the top of inner sleeve 2.
Fuel gas conduit 3 is set to the top of inner sleeve 2, and the diameter of fuel gas conduit 3 is less than the diameter of inner sleeve 2, the bottom of fuel gas conduit 3
Portion stretches in inner sleeve 2, and top stretches out in except top sealing plate 1a.The fuel gas conduit 3 of the present embodiment is set along the axial direction of inner sleeve 2
It sets, and the axis of fuel gas conduit 3 is overlapped with the axis of inner sleeve 2.The top of fuel gas conduit 3 is provided with cover board 3a, and cover board 3a can will fire
It is closed the top surface of tracheae 3.It is provided with air inlet on the peripheral wall of fuel gas conduit 3, combustion gas inlet pipe 5 is connected at air inlet, is fired
Gas inlet pipe 5 is connected with outer combustion gas source, and combustion gas can enter in fuel gas conduit 3 through combustion gas inlet pipe 5, into the combustion gas warp after fuel gas conduit 3
The opening (gas outlet) of 3 bottom of fuel gas conduit is passed through in mixing chamber b, is mixed in mixing chamber b with combustion air.
The lower section of fuel gas conduit 3 is provided with a regulating valve 6, the regulating valve 6 of the present embodiment is truncated cone-shaped, and regulating valve 6 can also
Think cone.At least top of regulating valve 6 can stretch in fuel gas conduit 3, and the diameter of 6 bottom surface of regulating valve is greater than the interior of fuel gas conduit 3
Diameter, therefore regulating valve 6 at least partly (bottom) cannot be introduced into fuel gas conduit 3, so as to by the gas outlet of 3 bottom of fuel gas conduit into
Row closing.Referring to figure 5 and figure 6, regulating valve 6 is connected with an adjusting rod 7, and the adjusting rod 7 of the present embodiment is screw rod, and adjusting rod 7 is logical
It crosses locking nut and is connected with the bracket 8 for being fixed on 3 top of fuel gas conduit, by rotation adjusting lever 7, regulating valve 6 can be driven along combustion gas
The axial movement of pipe 3, so that the opening degree of 3 bottom opening of regulating gas pipe, realizes the adjusting of flame length.Further,
A middle frame 9 is additionally provided in fuel gas conduit 3, middle frame 9 is connected with the inner wall of fuel gas conduit 3, and its center is located at fuel gas conduit 3
On axis, the center of middle frame 9 is machined with the through-hole passed through for adjusting rod 7, and adjusting rod 7 extends through middle frame 9.Middle frame 9
For guaranteeing the concentricity of adjusting rod 7 (regulating valve 6) and fuel gas conduit 3, so as to effectively guarantee the uniform of gas inlet amount
Distribution, is conducive to the burning of gaseous mixture to improve calorific value.Middle frame 9 preferably uses faceplate type middle frame, ensure that so logical
The middle position in hole will not become, while in turn ensure the maximization of floral disc area, and hollow-out part thereon decrease into
Wind resistance.
The igniting and adjustment process of the utility model burner are further described below:
Burner is installed on the backpack cover of Ladle-casting apparatus, backpack cover is installed on to the top of backpack body, it, will after backpack cover closes backpack body
Combustion air and combustion gas are passed through through air inlet lines 4 and combustion gas inlet pipe 5 in the air chamber a in outer tube 1 and in fuel gas conduit 3 respectively
Fuel chamber c in, the mixing chamber b of combustion air and combustion gas in inner sleeve 2 is mixed；Then starting ignition device 10, point
Mixed gas is fired, high-temperature baking is carried out to backpack body inside.
Position mainly by adjusting regulating valve 6 is adjusted to the length of flame, makes its outer peripheral surface and fuel gas conduit 3
Gap between gas outlet changes, it can changes the opening degree of gas outlet；Method particularly includes: unclamp locking screw
Mother, rotation adjusting lever 7 drive regulating valve 6 mobile, in the case where calorific value of gas is certain, make gas outlet by adjusting rod 7
When the spacing of gas outlet and 6 outer peripheral surface of regulating valve becomes smaller, so that the pressure of combustion gas increases in fuel gas conduit 3, mixed gas at this time
Flame with regard to president, conversely, the flame of mixed gas with regard to short, the length of flame is adjusted according to given calorific value of gas, makes it
The length of flame reaches ideal length, is adjusted to lock adjustment bar 7 after suitable position, and the position of secured adjusted valve 6 (can dry
It can not have to be adjusted again during roasting).
Really, the technical concept of the utility model is not limited in above-described embodiment, can also be according to the utility model
Design obtains many different concrete schemes, for example, in previous embodiment, the shape of outer tube, inner sleeve and fuel gas conduit is
Hollow tube-shape, i.e. cross sectional shape are circle, but outer tube, inner sleeve and fuel gas conduit may be other shapes of tube body, as in
Empty prismatic etc., when fuel gas conduit is prismatic tube body, regulating valve is also the pyramid or terrace with edge of respective shapes, such as these
Change and within the scope of equivalent transformation should be included in described in claim, but since tube body is mostly hollow tube-shape, from easy
From the point of view of processing and reducing cost, inside and outside casing and fuel gas conduit preferentially use hollow tube-shape, and regulating valve also preferentially uses
Cone or truncated cone-shaped.
Claims (7)
1. burner characterized by comprising
Outer tube, the outer tube are connected by air inlet lines with external source of air, the outer tube it is closed at both ends；
The inner sleeve being set in the outer tube, the upper surface of the inner sleeve is lower than the upper surface of the outer tube, described
The lower end surface of inner sleeve is concordant with the lower end surface of the outer tube or stretches out in the lower end surface of the outer tube, the inner sleeve
Lower end surface has mixed gas outlet, and air chamber is formed between the inner wall of the outer tube and the outer wall of the inner sleeve, described
The inside of inner sleeve is mixing chamber；
The fuel gas conduit being set to above the inner sleeve, the fuel gas conduit is connected by combustion gas inlet pipe with outer combustion gas source, described
The bottom of fuel gas conduit stretches in the inner sleeve, and the lower end surface of the fuel gas conduit has gas outlet；
The regulating valve being set to below the fuel gas conduit, the vertical section shape of the regulating valve are trapezoidal, the bottom of the regulating valve
Portion is greater than the gas outlet on the fuel gas conduit lower end surface, and the regulating valve at least top can stretch in the fuel gas conduit, under
Portion or bottom can close the gas outlet of the fuel gas conduit；
The adjusting rod being connected with the regulating valve, the adjusting rod can make the regulating valve along the axial movement of the fuel gas conduit.
2. burner according to claim 1, it is characterised in that: the fuel gas conduit is cylindrical, hollow pipe, the regulating valve
For circular cone or rotary table.
3. burner according to claim 1 or 2, it is characterised in that: the adjusting rod is screw rod, and the screw rod passes through adjusting
Nut is connected with the bracket being set at the top of the fuel gas conduit.
4. burner according to claim 1, it is characterised in that: be provided with middle frame, the middle frame in the fuel gas conduit
It is connected with the inner wall of the fuel gas conduit, and its center is located on the axis of the fuel gas conduit, the middle frame is provided centrally with
For the through-hole that adjusting rod passes through, the adjusting rod extends through the middle frame.
5. burner according to claim 4, it is characterised in that: the middle frame is faceplate type middle frame.
6. Ladle-casting apparatus backpack cover, burner is provided on Ladle-casting apparatus backpack cover, it is characterised in that: the burner is that claim 1 to 5 is any
Burner described in, the inner sleeve are connected to by the mixed gas outlet of its lower end surface with the inside of backpack cover.
7. Ladle-casting apparatus is provided with burner on the backpack cover, feature exists including backpack body and the backpack cover being set at the top of the backpack body
In: the burner is burner described in any one of claim 1 to 5, and the inner sleeve is gone out by the mixed gas of its lower end surface
Mouth is connected to the inside of backpack cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920140925.4U CN209647583U (en) | 2019-01-27 | 2019-01-27 | Burner, Ladle-casting apparatus backpack cover and Ladle-casting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920140925.4U CN209647583U (en) | 2019-01-27 | 2019-01-27 | Burner, Ladle-casting apparatus backpack cover and Ladle-casting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209647583U true CN209647583U (en) | 2019-11-19 |
Family
ID=68522797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920140925.4U Active CN209647583U (en) | 2019-01-27 | 2019-01-27 | Burner, Ladle-casting apparatus backpack cover and Ladle-casting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209647583U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115213388A (en) * | 2022-06-30 | 2022-10-21 | 天津喆丰环保科技有限公司 | Ladle baking gun |
-
2019
- 2019-01-27 CN CN201920140925.4U patent/CN209647583U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115213388A (en) * | 2022-06-30 | 2022-10-21 | 天津喆丰环保科技有限公司 | Ladle baking gun |
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