CN201543814U - Ladle flame spray repair gun - Google Patents
Ladle flame spray repair gun Download PDFInfo
- Publication number
- CN201543814U CN201543814U CN2009202213204U CN200920221320U CN201543814U CN 201543814 U CN201543814 U CN 201543814U CN 2009202213204 U CN2009202213204 U CN 2009202213204U CN 200920221320 U CN200920221320 U CN 200920221320U CN 201543814 U CN201543814 U CN 201543814U
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- ladle
- nozzle
- spray repair
- pipe
- flame spray
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Abstract
The utility model relates to a ladle flame spray repair gun, which is an important member of ladle flame spray repair machine for flame spray repair steel-smelting ladle fire resistant inner lining. The ladle flame spray repair gun is composed of an inner conveying angle pipe, a rear end conveyer pipe, a front end conveyer pipe, a synchronous rotation backing block, a casing tube, an angle pipe, an inner jet tube, an outer jet tube, a location plate, a locking nut, an inner nozzle, an outer nozzle, and the like members. The ladle flame spray repair gun respectively conveys the oxygen gas conveyed from the member linked to the ladle flame spray repair gun and the gas with the fluidization gunning refractory to the end export of the flame spray repair gun through the outer layer and inner layer channels of the double-layer sheathed tube for ejecting out, and rapidly mixes for combustion, the burned high-temperature heats up the gunning refractory to a molten state to spray repair onto the surface of the ladle fire resistant inner lining, to achieve the objective of spray repair of the ladle fire resistant inner lining. The ladle flame spray repair gun has advantage that the mixed combustion flame is stable after ejecting, for instantly heating the gunning refractory to a molten state, and scattering on the spray repair surface, the ladle flame spray repair gun can normally work at a high temperature environment around 1000 DEG C, and has long life length, and so on.
Description
Technical field
The ladle that the utility model relates to steel industry in the course of the work, its refractory lining is corroded attenuation or damages by the carrying molten liquid steel to be needed effectively to repair, and prolongs ladle service life, the part of appliance of ladle refractory lining is repaired in flame gunning.
Background technology
At present, ladle is in the production use, and its refractory lining is generally stopped using and removed the ladle refractory lining after being melted molten steel erosion attenuation or damage, builds new ladle refractory lining again by laying bricks or stones, drops into the production of a new round then and uses.This cyclic process that goes round and begins again, the feasible refractory material expense height of purchasing ladle liner, it is low frequently to tear, build ladle refractory lining mechanization degree open, labour intensity is big, and serious waste of resources is among ladle working process gap, to the ladle refractory lining of attenuation or damage is repaired, prolong ladle refractory lining service life, reduce the expense that ladle liner consumes refractory material, increase economic efficiency.
Though attempted multiple repairing ladle refractory lining method, up to the present do not find comparison Efficient software patching ladle refractory lining method, flame gunning will be effectively to repair one of ladle refractory lining important channel.The ladle flame gunning machine is with oxygen and carry the combustion gas that is fluidized gunning refractory and uninterruptedly be delivered to spray repairing lance for tilting port ejection respectively, ejection mixes the moment active combustion to oxygen in the exit with combustion gas, the high temperature that sends, high heat make needs the ladle liner of spray repair part to be heated, gunning refractory is heated to molten condition rapidly simultaneously, be sprayed onto ladle refractory lining surface, and stick to the refractory lining surface, form ceramic the combination with former refractory lining after the condensation, develop into new refractory lining, the purpose that reaches thickening or repair the ladle refractory lining.Thereby developing novel ladle flame gunning rifle has been the task of top priority.
Summary of the invention
At structural deficiency in the prior art, the purpose of this utility model provides a kind of ladle flame gunning rifle, help among ladle working process gap, to the ladle refractory lining of attenuation or damage is repaired, prolong ladle refractory lining service life.
For achieving the above object, the technical solution adopted in the utility model provides a kind of ladle flame gunning rifle, it is characterized in that: it includes outer nozzle, inner nozzle, bend pipe, interior transporting elbow, front end carrier pipe, sleeve pipe, rear end carrier pipe, outer nozzle, locking nut, inner nozzle, location-plate, synchronous rotary lining plate;
Transporting elbow connects inner nozzle, inner nozzle successively in described, form the combustion gas inner layer sleeve, described rear end carrier pipe, sleeve pipe, front end carrier pipe, bend pipe, outer nozzle and outer nozzle are in turn connected to form the combustion gas outer layer sleeve, and described combustion gas inner layer sleeve is sleeved on one heart and forms the bilayer sleeve that has interlayer in the combustion gas outer layer sleeve; Described inner nozzle all adopts with outer nozzle with inner nozzle and outer nozzle and is threaded, the inboard of outer nozzle is provided with locking nut, described synchronous rotary lining plate is in interior transporting elbow, rear end carrier pipe, sleeve pipe, the connection of front end carrier pipe to be rigidly connected, rear end carrier pipe, front end carrier pipe end draw-in groove block synchronous rotary lining plate, sleeve pipe is close to synchronous rotary lining plate outer end, is welded to connect with rear end carrier pipe, front end carrier pipe end; Location-plate and inner nozzle welding are rigidly connected, and outer nozzle is close to the location-plate outer end.
Effect of the present invention is the job requirement according to the ladle flame gunning machine, and ladle flame gunning rifle has following characteristics:
Because of spray repair ladle inner chamber has certain degree of depth, the medium distance that needs the flame gunning rifle to carry is far away, so the concentric bilayer sleeve pipe is longer.High pressure, high speed oxygen air-flow are arranged in the pumped (conveying) medium, and spray repairing lance for tilting working under 1000 ℃ of left and right sides hot environments in the ladle inner chamber, guaranteeing on the one hand that between the inside and outside sleeve pipe of spray repairing lance for tilting oxygen carries smooth and easy.Particularly by the gunning refractory inner pipe wall, guarantee ladle flame gunning rifle service life, security and support strength.The spray repairing lance for tilting exit is next-door neighbour's oxygen and combustion gas mixing combustion high temperature place, and the parts damages rate in exit is higher than other position, belongs to the easily worn part needs and often changes, and inner and outer nozzles is easily to change parts.The tube wall of inner and outer nozzles parts is near more just thin more from the ejiction opening end face, prevents that air-flow from having eddy current to form after the ejection of exit, burns out inner and outer nozzles thereby cause tempering to produce, and reduces the frequency of changing inner and outer nozzles.
Description of drawings
Fig. 1 is a ladle flame gunning rifle front view of the present utility model;
Fig. 2 is an ejiction opening A-A cross-sectional schematic of the present utility model;
Fig. 3 is an inside and outside drive pipes concentricity B-B generalized section of the present utility model;
Fig. 4 rotates the C-C generalized section synchronously for inside and outside sleeve pipe of the present utility model.
Among the figure:
1, outer nozzle 2, inner nozzle 3, bend pipe 4, interior transporting elbow
5, front end carrier pipe 6, sleeve pipe 7, rear end carrier pipe 8, outer nozzle
9, locking nut 10, inner nozzle 11, location-plate 12, synchronous rotary lining plate
The specific embodiment
Reaching embodiment in conjunction with the accompanying drawings is illustrated ladle flame gunning rifle structure of the present utility model
Ladle flame gunning rifle is the vitals of ladle flame gunning machine, and spray repairing lance for tilting is accepted the oxygen that uninterruptedly transports respectively and carried the combustion gas that is fluidized gunning refractory from the flame gunning machine associated components that connects with it.The flame gunning rifle is the concentric bilayer sleeve structure, carries the combustion gas that is fluidized gunning refractory and carries at flame gunning rifle bilayer sleeve internal layer, and oxygen is delivered to the spray repairing lance for tilting exit at the bilayer sleeve skin, and oxygen mixes active combustion with combustion gas in air.
As shown in Figure 1, 2, carry the combustion gas that is fluidized gunning refractory and carry, spray through inner nozzle 2 to inner nozzle 10 by interior transporting elbow 4.Oxygen is carried through between the interlayer of bilayer sleeve, and the inner layer sleeve of bilayer sleeve connects to form inner layer sleeve by interior transporting elbow 4, inner nozzle 2 and inner nozzle 10, and the interlayer spacing of described bilayer sleeve is 6.5mm.The outer layer sleeve of bilayer sleeve is connected to form successively by rear end carrier pipe 7, sleeve pipe 6, front end carrier pipe 5, bend pipe 3, outer nozzle 1 and outer nozzle 8, and oxygen is by ejection between inner nozzle 10 and the outer nozzle 8.
The flame that inner nozzle 10 and outer nozzle 8 are being close to active combustion is burnt out easily, belongs to consumable accessory, and for being convenient for changing, inner nozzle 10 is to adopt to be threaded with inner nozzle 2 and outer nozzle 8 with outer nozzle 1, to make things convenient for inner nozzle 10 and outer nozzle 8 demolition, installation.The inboard of outer nozzle 8 is provided with locking nut 9, locking nut 9 effect is to prevent outer nozzle 8 rotation and axial float occurs automatically, the tube wall of inner nozzle 2 and outer nozzle 8 is near more just thin more from the ejiction opening end face, the pipe wall thickness of inner nozzle 2 and outer nozzle 8 is all from madial wall to the ejiction opening end face state that tapers off, prevent that air-flow from having eddy current to form, and burns out inner and outer nozzles thereby cause tempering to produce after the ejection of exit.
Shown in Fig. 3,4, rotary lining plate 12 is rigidly connected with interior transporting elbow 4 welding synchronously, rear end carrier pipe 7, front end carrier pipe 5 end draw-in grooves block synchronous rotary lining plate 12, sleeve pipe 6 is close to synchronous rotary lining plate 12 outer ends, be welded to connect with rear end carrier pipe 7, front end carrier pipe 5 ends, location-plate 11 is rigidly connected with inner nozzle 2 welding, and outer nozzle 1 is close to location-plate 11 outer ends.Spray repairing lance for tilting is when rotating, and inside and outside sleeve pipe transmits moment of torsion simultaneously, prevents that inside and outside cover tubotorsion is asynchronous, and the oxygen delivery air is smooth and easy simultaneously.Location-plate 11 is rigidly connected with inner nozzle 2 welding, and outer nozzle 1 is close to location-plate 11 outer ends, and location-plate 11 makes inner nozzle 2 and outer nozzle 1 keep good concentricity.
According to the job requirement of ladle flame gunning machine, because of spray repair ladle inner chamber has certain degree of depth, the medium distance that needs the flame gunning rifle to carry is far away, so concentric inside and outside sleeve pipe composition bilayer sleeve is longer.High pressure, high speed oxygen air-flow are arranged in the pumped (conveying) medium, and spray repairing lance for tilting working under 1000 ℃ of left and right sides hot environments in the ladle inner chamber, spray repairing lance for tilting is all selected stainless steel for use, as the 1Cr18Ni9Ti stainless steel.
Guarantee on the one hand that between the inside and outside sleeve pipe of spray repairing lance for tilting the oxygen conveying is smooth and easy, inside and outside on the other hand sleeve pipe connects must be in rigid state, and spray repairing lance for tilting is when rotating, and inside and outside sleeve pipe transmits moment of torsion simultaneously, prevents that inside and outside cover tubotorsion is asynchronous.The spray repairing lance for tilting front end is curved certain angle, makes spray repairing lance for tilting outlet gunning refractory injection direction be substantially perpendicular to spray repair face.The inside and outside sleeve pipe of spray repairing lance for tilting keeps better concentricity, and special exit concentricity is to keep combustion gas and oxygen mix burning to reach optimum state to guarantee.During flame gunning machine work, spray repairing lance for tilting need swing constantly, and adjusts the distance between spray repairing lance for tilting exit and the spray repair face.Carry solid microparticle gunning refractory in addition in the combustion gas, the conveyance conduit tube wall had clash into friction phenomenon more by force, in the course of time make bump friction serious position tube wall attenuation, from keeping spray repairing lance for tilting support strength and the trend that prevents attenuation the tube wall use, adopt the tube wall of the inside and outside sleeve pipe of spray repairing lance for tilting to be thicker than tube wall commonly used, particularly by the gunning refractory inner pipe wall, guarantee ladle flame gunning rifle service life, security and support strength.The spray repairing lance for tilting exit is next-door neighbour's oxygen and combustion gas mixing combustion high temperature place, and the parts damages rate in exit is higher than other position, belongs to the easily worn part needs and often changes, and inner and outer nozzles is easily to change parts.The tube wall of inner and outer nozzles parts is near more just thin more from the ejiction opening end face, prevents that air-flow from having eddy current to form after the ejection of exit, burns out inner nozzle 10 and outer nozzle 8 thereby cause tempering to produce, and reduces the frequency of changing inner nozzle 10 and outer nozzle 8.
Claims (3)
1. ladle flame gunning rifle is characterized in that: it includes outer nozzle (1), inner nozzle (2), bend pipe (3), interior transporting elbow (4), front end carrier pipe (5), sleeve pipe (6), rear end carrier pipe (7), outer nozzle (8), locking nut (9), inner nozzle (10), location-plate (11), rotary lining plate (12) synchronously;
Transporting elbow (4) connects inner nozzle (2), inner nozzle (10) successively in described, form the combustion gas inner layer sleeve, described rear end carrier pipe (7), sleeve pipe (6), front end carrier pipe (5), bend pipe (3), outer nozzle (1) and outer nozzle (8) are in turn connected to form the combustion gas outer layer sleeve, and described combustion gas inner layer sleeve is sleeved on one heart and forms the bilayer sleeve that has interlayer in the combustion gas outer layer sleeve; Described inner nozzle (10) all adopts with outer nozzle (1) with inner nozzle (2) and outer nozzle (8) and is threaded, the inboard of outer nozzle (8) is provided with locking nut (9), described synchronous rotary lining plate (12) is rigidly connected with interior transporting elbow (4) welding, rear end carrier pipe (7), front end carrier pipe (5) end draw-in groove block synchronous rotary lining plate (12), sleeve pipe (6) is close to synchronous rotary lining plate (12) outer end, is welded to connect with rear end carrier pipe (7), front end carrier pipe (5) end; Location-plate (11) is rigidly connected with inner nozzle (2) welding, and outer nozzle (1) is close to location-plate (11) outer end.
2. ladle flame gunning rifle according to claim 1 is characterized in that: the pipe wall thickness of described inner nozzle (2) and outer nozzle (8) is from madial wall to the ejiction opening end face to successively decreasing.
3. ladle flame gunning rifle according to claim 1 is characterized in that: the interlayer spacing of described bilayer sleeve is 6.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202213204U CN201543814U (en) | 2009-10-13 | 2009-10-13 | Ladle flame spray repair gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202213204U CN201543814U (en) | 2009-10-13 | 2009-10-13 | Ladle flame spray repair gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201543814U true CN201543814U (en) | 2010-08-11 |
Family
ID=42598973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202213204U Expired - Lifetime CN201543814U (en) | 2009-10-13 | 2009-10-13 | Ladle flame spray repair gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201543814U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183147A (en) * | 2011-04-01 | 2011-09-14 | 常君辰 | Spray gun of flame gunning machine |
| CN102192653A (en) * | 2011-04-01 | 2011-09-21 | 常君辰 | Nozzle of flame gun |
| CN102607275A (en) * | 2012-03-27 | 2012-07-25 | 王世松 | Flame gunning type nozzle |
| CN104421937A (en) * | 2013-08-30 | 2015-03-18 | 王世松 | Flame gunning spray nozzle for refractory linings of industrial furnaces and application of flame gunning spray nozzle |
| CN107470608A (en) * | 2017-09-29 | 2017-12-15 | 四川德胜集团钒钛有限公司 | A kind of tundish long nozzle apparatus for baking |
| CN109108262A (en) * | 2018-11-01 | 2019-01-01 | 濮阳市濮耐功能材料有限公司 | A kind of spray gun device and ladle lining fireproof material injection device |
| WO2024140752A1 (en) * | 2022-12-27 | 2024-07-04 | 天津喆丰环保科技有限公司 | Ladle baking device |
-
2009
- 2009-10-13 CN CN2009202213204U patent/CN201543814U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183147A (en) * | 2011-04-01 | 2011-09-14 | 常君辰 | Spray gun of flame gunning machine |
| CN102192653A (en) * | 2011-04-01 | 2011-09-21 | 常君辰 | Nozzle of flame gun |
| CN102607275A (en) * | 2012-03-27 | 2012-07-25 | 王世松 | Flame gunning type nozzle |
| CN104421937A (en) * | 2013-08-30 | 2015-03-18 | 王世松 | Flame gunning spray nozzle for refractory linings of industrial furnaces and application of flame gunning spray nozzle |
| CN107470608A (en) * | 2017-09-29 | 2017-12-15 | 四川德胜集团钒钛有限公司 | A kind of tundish long nozzle apparatus for baking |
| CN109108262A (en) * | 2018-11-01 | 2019-01-01 | 濮阳市濮耐功能材料有限公司 | A kind of spray gun device and ladle lining fireproof material injection device |
| CN109108262B (en) * | 2018-11-01 | 2024-01-02 | 濮阳市濮耐功能材料有限公司 | Spray gun device and ladle lining refractory material injection device |
| WO2024140752A1 (en) * | 2022-12-27 | 2024-07-04 | 天津喆丰环保科技有限公司 | Ladle baking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190618 Address after: No. 396 Jintang Highway, Dongli District, Tianjin 300301 Patentee after: Tianjin Steel Tube Manufacturing Co., Ltd. Address before: No. 396 Jintang Highway, Dongli District, Tianjin 300301 Patentee before: Tianjin Steel Pipe Group Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100811 |
|
| CX01 | Expiry of patent term |