CN110052597B - Tundish dry material mould and explosion-proof ignition device thereof - Google Patents
Tundish dry material mould and explosion-proof ignition device thereof Download PDFInfo
- Publication number
- CN110052597B CN110052597B CN201910393541.8A CN201910393541A CN110052597B CN 110052597 B CN110052597 B CN 110052597B CN 201910393541 A CN201910393541 A CN 201910393541A CN 110052597 B CN110052597 B CN 110052597B
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- Prior art keywords
- mould
- explosion
- dry material
- mold
- nozzle
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- 239000000463 material Substances 0.000 title claims abstract description 43
- 239000007789 gas Substances 0.000 claims description 18
- 238000002485 combustion reaction Methods 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 230000001154 acute effect Effects 0.000 claims description 4
- 239000003517 fume Substances 0.000 claims description 2
- 230000003028 elevating effect Effects 0.000 claims 1
- 238000005422 blasting Methods 0.000 abstract description 6
- 238000004880 explosion Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/005—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like with heating or cooling means
- B22D41/01—Heating means
- B22D41/015—Heating means with external heating, i.e. the heat source not being a part of the ladle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/02—Linings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/72—Safety devices, e.g. operative in case of failure of gas supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23Q—IGNITION; EXTINGUISHING-DEVICES
- F23Q13/00—Igniters not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The invention provides an explosion-proof ignition device for a tundish dry material mould, relates to the technical field, and solves the technical problem that residual gas in the mould is easy to explode when a nozzle is ignited. The explosion-proof ignition device comprises a burner, a fixed plate and a lifting mechanism, wherein: the burner is arranged on the fixed plate; the lifting mechanism is fixedly arranged on the mould and connected with the fixed plate, and can lift the burner outside the mould by stretching the fixed plate so as to facilitate ignition of the burner; the tundish dry material mould comprises the explosion-proof ignition device, and the explosion-proof ignition device can avoid the explosion and blasting when the airtight space is ignited because the nozzle is exposed in the air, ensures the operation safety of operators, and has simple structure, durability and easy operation.
Description
Technical Field
The invention relates to the technical field of steelmaking, in particular to a tundish dry material mould and an explosion-proof ignition device thereof.
Background
The tundish dry material is a main body refractory material of a tundish working layer for continuous casting at home and abroad at present, and is characterized by bulk material shape, convenient construction, and certain strength formed by solidification after heating, so that the tundish dry material needs to be pre-baked for 2-3 hours after construction is finished and can be demoulded. At present, the nozzle of the domestic tundish dry material mould is connected to the dry material mould through anchors, the nozzle is positioned in an inner hole of the mould, the dry material mould is a closed trapezoid steel structure body, and 2-5 nozzles on the normal dry material mould need to be ignited one by one.
The applicant found that the prior art has at least the following technical problems: after the gas valve is opened, all the burners need to be ignited quickly, otherwise, part of gas is easy to remain in the mould; if ignition fails, the gas valve should be immediately closed to remove unburned gas in the mould completely, otherwise, after the gas reaches a certain concentration, a working personnel is easy to generate a blasting explosion accident in the ignition process, so that personal injury is caused.
Therefore, the setting of the mold and the nozzle thereof has a great potential safety hazard, and how to solve the problems is always plagued by users and inventors.
Disclosure of Invention
The invention aims to provide a tundish dry material mould and an explosion-proof ignition device thereof, which are used for solving the technical problem that the residual gas in the mould is easy to explode when a nozzle is ignited in the prior art; the preferred technical solutions of the technical solutions provided by the present invention can produce a plurality of technical effects described below.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the invention provides an explosion-proof ignition device for a tundish dry material mould, which comprises a nozzle, a fixed plate and a lifting mechanism, wherein:
the burner is arranged on the fixed plate; the lifting mechanism is fixedly arranged on the clamping fixture, and is connected with the fixing plate, so that the burner can be lifted out of the clamping fixture by stretching the fixing plate, and the burner can be conveniently ignited.
Preferably, the lifting mechanism comprises:
the lifting frame is fixedly arranged on the clamping fixture;
a chain block, the upper end of which is fixed on the upper part of the lifting frame, and the fixed end of the lower part of which is connected with one side of the fixed plate; the chain block is pulled forward, and one side of the fixed plate can be lifted to enable the nozzle to leave the inner hole of the clamping fixture; the chain block is pulled in the reverse direction, and the fixing plate can be flattened to align the nozzle with the inner hole of the mould.
Preferably, compressed air pipes and gas pipes are respectively arranged at two sides of the burner so as to facilitate ignition of the burner.
Preferably, the fixing plate is a steel plate.
Preferably, the lifting frame is of a rectangular steel structure, and the chain block is fixed on a cross beam at the top.
Preferably, the lifting frame is vertically welded on the mould, and when the nozzle is ignited, an included angle between the fixing plate and the upper surface of the mould is an acute angle.
The invention also provides a tundish dry material mould which comprises the explosion-proof ignition device, wherein the nozzle is arranged in an inner hole of the mould.
Preferably, the mould is provided with a gas main pipe and a combustion supporting air main pipe, and the gas main pipe and the combustion supporting air main pipe are communicated with the combustion chamber of the mould.
Preferably, the upper surface of the mould is provided with a smoke exhaust pipe which is communicated with the combustion chamber of the mould. Preferably, the mould is of a steel plate frame structure.
Compared with the prior art, the tundish dry material mould and the explosion-proof ignition device thereof provided by the invention have the following beneficial effects: one side of the fixed plate is connected with the lifting mechanism, the other side is erected on the upper surface of the mould, and in the use process, one side of the fixed plate for fixing the nozzle can be lifted to the outside of the tundish dry material mould for ignition operation through the stretching operation of the lifting mechanism, so that the nozzle leaves the inner hole of the mould; after flame stabilization, pulling the chain block, leveling the fixed plate for fixing the burner, and enabling the burner to be opposite to the reserved hole site on the dry material mould. Because the burner is exposed in the air, the condition of blasting explosion during ignition of the closed space can be avoided, the operation safety of operators is ensured, and the device has simple structure, durability and easy operation.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a tundish dry material mold explosion-proof ignition device in a flat condition;
FIG. 2 is a schematic diagram of the structure of a tundish dry material mould explosion-proof ignition device when lifted;
FIG. 3 is a schematic structural view of a lifting mechanism;
FIG. 4 is a structural top view of the fixation plate;
fig. 5 is an elevation view of a tundish dry material mold.
In the figure 1, a burner is shown; 2. a fixing plate; 3. a mould; 4. lifting the frame; 5. chain block; 6. a combustion chamber; 7. a compressed air tube; 8. a gas pipe; 9. an inner hole of the mould; 10. a gas main pipe; 11. a combustion-supporting air main pipe; 13. and a smoke exhaust pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, based on the examples herein, which are within the scope of the invention as defined by the claims, will be within the scope of the invention as defined by the claims.
In the description of the present invention, it should be understood that the terms "center", "length", "width", "height", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
Referring to fig. 1 and 2, fig. 1 is a schematic structural view of a tundish dry material mould explosion-proof ignition device when the tundish dry material mould explosion-proof ignition device is horizontally arranged, and fig. 2 is a schematic structural view of the tundish dry material mould explosion-proof ignition device when the tundish dry material mould explosion-proof ignition device is lifted;
the invention provides a tundish dry material mould and an explosion-proof ignition device thereof, comprising a nozzle 1, a fixed plate 2 and a lifting mechanism, wherein:
the burner 1 is arranged on the fixed plate 2; the lifting mechanism is fixedly arranged on the mould 3 and connected with the fixed plate 2, and can lift the burner 1 out of the mould 3 by stretching the fixed plate 2 so as to facilitate ignition of the burner 1.
The beneficial effects of the invention are as follows: one side of the fixed plate 2 is connected with a lifting mechanism, the other side is erected on the upper surface of the mould 3, and in the use process, one side of the fixed plate 2 for fixing the nozzle 1 can be lifted to the outside of the tundish dry material mould 3 through the stretching operation of the lifting mechanism to perform ignition operation, so that the nozzle 1 leaves the inner hole of the mould 3; after flame stabilization, the chain 5 is pulled, the fixed plate 2 for fixing the nozzle 1 is put flat, and the nozzle 1 is opposite to the reserved hole site on the dry material mould 3, namely the mould inner hole 9. Because the burner 1 is exposed in the air, the condition of blasting explosion during ignition of the closed space can be avoided, the operation safety of operators is ensured, and the device has simple structure, durability and easy operation.
Referring to fig. 1 and 2, in this embodiment, there is provided a lifting mechanism which may be implemented, the lifting mechanism including: a lifting frame 4 fixedly arranged on the mold 3; a chain block 5, the upper end of which is fixed to the upper part of the lifting frame 4, and the fixed end of the lower part of which is connected to one side of the fixed plate 2; pulling the chain 5 forward, which can lift one side of the fixed plate 2 to make the nozzle 1 leave the inner hole 3 of the mould; the fixed plate 2 can be flattened by pulling the chain 5 in reverse so that the nozzle 1 is aligned with the inner bore 3 of the mould.
It should be understood that, one side of the fixing plate 2 is connected with one end of the chain 5, and the other end is erected on the upper surface of the mold 3, but is not fixed with the mold 3, and can be erected on the mold 3 by means of self gravity; when the chain 5 is pulled, the side of the fixed plate 2 connected with the chain 5 is lifted, and the other side of the fixed plate is still erected on the mould 3. The chain block 5 is a well-established technology, and the structure thereof will not be described in detail.
As an alternative embodiment, referring to fig. 4, fig. 4 is a structural plan view of the fixing plate; the lifting frame and the chain block can be one or more, so that the cost is saved, the structure is simplified, the operation is easy, the lifting mechanism and the chain block are arranged at the middle position of the clamping fixture, and the effect of lifting a plurality of burners is achieved by lifting the middle part of the fixing plate. The middle rectangle in fig. 4 is a hollow, which can lighten the dead weight of the fixing plate, and simultaneously prevent other structures from passing through and preventing the movement of the fixing plate from being blocked when the fixing plate is lifted.
As an alternative embodiment, both sides of the burner 1 are respectively provided with a compressed air pipe 7 and a gas pipe 8 so as to facilitate the spot-burning of the burner 1.
In order to enable one side of the fixing plate 2 to be erected on the fixing plate 2 by means of gravity, as an alternative embodiment, the fixing plate 2 is a steel plate, which has a certain gravity and strength, and can meet the above requirements.
As an alternative embodiment, referring to fig. 3, the lifting frame 4 is of rectangular steel construction, and the chain links 5 are fixed to the top cross beam.
It will be appreciated that the above-described lifting frame 4 functions as: the chain 5 is fixed and one side of the fixed plate 2 can be pulled to enable the nozzle 1 to leave the inner hole of the mould.
As an alternative embodiment, the lifting frame 4 is welded to the mould 3 vertically, and when the nozzle 1 is burnt, the included angle between the fixing plate 2 and the upper surface of the mould 3 is an acute angle.
The fixing plate 2 and the upper surface of the mould 3 form an acute angle, one can lift the starting nozzle 1, and the other can prevent the other side of the fixing plate 2 from being separated from the mould 3 and being unable to return.
The invention also provides a tundish dry material mould 3, and referring to fig. 5, fig. 5 is a front view of the tundish dry material mould 3; the tundish dry material mould 3 comprises the explosion-proof ignition device, wherein the nozzle 1 is arranged in an inner hole of the mould 3.
The tundish dry material mould 3 with the explosion-proof ignition device can safely ignite, can prevent the occurrence of blasting explosion accidents in the ignition process, can be operated by one person, and does not occupy redundant labor force.
As an alternative embodiment, the mould 3 is provided with a gas manifold 10 and a combustion air manifold 11, which communicate with the combustion chamber 6 of the mould 3.
The gas header pipe 10 and the combustion air header pipe 11 can assist combustion, and an opening valve is provided in the gas header pipe.
Referring to fig. 4 and 5, the lifting mechanism is provided with one and is located at the middle of the mold, and is connected with the middle of one side of the fixing plate through a chain block.
As an alternative embodiment, the upper surface of the mould 3 is provided with a fume exhaust duct 13 which communicates with the combustion chamber 6 of the mould 3.
As an alternative embodiment, in order to improve the drying and heating effects, the strength of the mold 3 is ensured, and the mold 3 is a steel plate frame structure.
When the tundish dry material mould 3 provided by the invention is specifically used, the fixed plate 2 and one side of the nozzle 1 are lifted by pulling the chain block 5 before ignition, so that the nozzle 1 leaves the inner hole of the mould 3; opening a gas valve and burning the nozzles 1 one by one; opening a compressed air valve, and adjusting the flame size; after flame stabilization, the chain 5 is pulled, the fixed plate 2 and the burner 1 are put flat, and the burner 1 is opposite to the reserved hole site on the dry material mould 3. The burner 1 is exposed in the air, so that the condition of blasting explosion during ignition of the closed space can be avoided, the operation safety of operators is ensured, and the device has a simple structure, is durable and is easy to operate.
The particular features, structures, or characteristics may be combined in any suitable manner in any one or more embodiments or examples in this specification.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides an explosion-proof ignition of middle package dry-type material mould, its characterized in that includes nozzle, fixed plate and elevating system, wherein:
the burner is arranged on the fixed plate; the lifting mechanism is fixedly arranged on the clamping fixture, and is connected with the fixing plate, so that the burner can be lifted out of the clamping fixture by stretching the fixing plate, and the burner can be conveniently ignited.
2. The tundish dry material mold explosion-proof ignition device of claim 1, wherein the lifting mechanism comprises:
the lifting frame is fixedly arranged on the clamping fixture;
a chain block, the upper end of which is fixed on the upper part of the lifting frame, and the fixed end of the lower part of which is connected with one side of the fixed plate; the chain block is pulled forward, and one side of the fixed plate can be lifted to enable the nozzle to leave the inner hole of the clamping fixture; the chain block is pulled in the reverse direction, and the fixing plate can be flattened to align the nozzle with the inner hole of the mould.
3. The tundish dry material mould explosion-proof ignition device according to claim 1, wherein compressed air pipes and gas pipes are respectively arranged at two sides of the nozzle so as to facilitate ignition of the nozzle.
4. The tundish dry material mold explosion-proof ignition device of claim 1, wherein the fixing plate is a steel plate.
5. The tundish dry material mold explosion-proof ignition device according to claim 2, wherein the lifting frame is of rectangular steel structure, and the chain block is fixed on a cross beam at the top.
6. The tundish dry material mold explosion-proof ignition device according to claim 5, wherein the lifting frame is vertically welded on the mold, and an included angle between the fixing plate and the upper surface of the mold is an acute angle when the nozzle is ignited.
7. A tundish dry material mould comprising an explosion-proof ignition device as claimed in any one of claims 1 to 6, wherein the nozzle is disposed in the mould bore.
8. The tundish dry material mold of claim 7, wherein a gas manifold and a combustion air manifold are provided on the mold and are in communication with the combustion chamber of the mold.
9. The tundish dry material mold of claim 7, wherein the upper surface of the mold is provided with a fume evacuation tube that communicates with the combustion chamber of the mold.
10. The tundish dry material mold of claim 7, wherein the mold is a steel plate frame structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910393541.8A CN110052597B (en) | 2019-05-13 | 2019-05-13 | Tundish dry material mould and explosion-proof ignition device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910393541.8A CN110052597B (en) | 2019-05-13 | 2019-05-13 | Tundish dry material mould and explosion-proof ignition device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110052597A CN110052597A (en) | 2019-07-26 |
| CN110052597B true CN110052597B (en) | 2024-01-19 |
Family
ID=67322897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910393541.8A Active CN110052597B (en) | 2019-05-13 | 2019-05-13 | Tundish dry material mould and explosion-proof ignition device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110052597B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05237646A (en) * | 1992-02-28 | 1993-09-17 | Nisshin Steel Co Ltd | Hot drying method for lining refractory of tundish and the like and device for hot drying |
| JP2005265376A (en) * | 2004-03-22 | 2005-09-29 | Sanken Sangyo Co Ltd | Kiln drier |
| CN101668600A (en) * | 2007-04-03 | 2010-03-10 | Sms西马格股份公司 | Burner arrangement |
| CN202155516U (en) * | 2011-06-20 | 2012-03-07 | 河北钢铁股份有限公司唐山分公司 | Continuous casting dry type material vibration baking tundish pattern |
| CN203621479U (en) * | 2013-11-13 | 2014-06-04 | 宣化钢铁集团有限责任公司 | Continuous casting machine tundish dry material heating mold |
| CN204770632U (en) * | 2015-06-29 | 2015-11-18 | 朱剑锋 | Roast package ware |
| KR20170012997A (en) * | 2015-07-27 | 2017-02-06 | 주식회사 케스트 | Apparatus for preheating ladle which saves energy |
| CN210023751U (en) * | 2019-05-13 | 2020-02-07 | 濮阳市濮耐炉窑工程有限公司 | Tundish dry material mould and explosion-proof ignition device thereof |
-
2019
- 2019-05-13 CN CN201910393541.8A patent/CN110052597B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05237646A (en) * | 1992-02-28 | 1993-09-17 | Nisshin Steel Co Ltd | Hot drying method for lining refractory of tundish and the like and device for hot drying |
| JP2005265376A (en) * | 2004-03-22 | 2005-09-29 | Sanken Sangyo Co Ltd | Kiln drier |
| CN101668600A (en) * | 2007-04-03 | 2010-03-10 | Sms西马格股份公司 | Burner arrangement |
| CN202155516U (en) * | 2011-06-20 | 2012-03-07 | 河北钢铁股份有限公司唐山分公司 | Continuous casting dry type material vibration baking tundish pattern |
| CN203621479U (en) * | 2013-11-13 | 2014-06-04 | 宣化钢铁集团有限责任公司 | Continuous casting machine tundish dry material heating mold |
| CN204770632U (en) * | 2015-06-29 | 2015-11-18 | 朱剑锋 | Roast package ware |
| KR20170012997A (en) * | 2015-07-27 | 2017-02-06 | 주식회사 케스트 | Apparatus for preheating ladle which saves energy |
| CN210023751U (en) * | 2019-05-13 | 2020-02-07 | 濮阳市濮耐炉窑工程有限公司 | Tundish dry material mould and explosion-proof ignition device thereof |
Non-Patent Citations (1)
| Title |
|---|
| 连铸中间包干式料工作层施工成型模具的改进;牛永青;罗北平;张志克;张学武;;连铸(第S1期);第502-504页 * |
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| Publication number | Publication date |
|---|---|
| CN110052597A (en) | 2019-07-26 |
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