CN202155629U - Flame cleaning gun - Google Patents
Flame cleaning gun Download PDFInfo
- Publication number
- CN202155629U CN202155629U CN2011202179056U CN201120217905U CN202155629U CN 202155629 U CN202155629 U CN 202155629U CN 2011202179056 U CN2011202179056 U CN 2011202179056U CN 201120217905 U CN201120217905 U CN 201120217905U CN 202155629 U CN202155629 U CN 202155629U
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- combustion
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- pipeline
- gaseous mixture
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Abstract
The utility model discloses a flame cleaning gun which comprises an auxiliary gas pipeline for leading into auxiliary gas, a gas pipeline for leading into gas, and a mixed gas pipeline for leading into mixture of the auxiliary gas and the gas, wherein a mixed cavity is arranged at the tail of the mixed gas pipeline; the tails of the auxiliary gas pipeline and the gas pipeline are communicated with the mixed cavity through string holes; the auxiliary gas pipeline, the gas pipeline and the mixed gas pipeline are respectively provided with an auxiliary gas switch, a gas switch and a mixed gas switch; the head parts of the auxiliary gas pipeline, the gas pipeline and the mixed gas pipeline are fixed by a connecting bend; and a cutting nozzle is fixed on the connecting bend and is provided with a spraying channel and an auxiliary gas channel communicated with the auxiliary gas pipeline. The flame cleaning gun is operated simply and conveniently, can flexibly control a peeling angle of the flame cleaning gun, and improves the peeling quality.
Description
Technical field
The utility model relates to a kind of cleaning rifle, is meant a kind of scafing rifle that is used for slab check finishing especially.
Background technology
Steel mill at the continuous casting production process of slab is: be heated into liquid molten steel and at first be contained in the ladle, by overhead traveling crane roping to pans top, and pour molten steel in the pans into.Pans are the positions that contain molten steel; Molten steel in the pans gets into crystallizer via pipeline again; Crystallizer is the core component of conticaster; Crystallizer is exactly the parts that liquid molten steel cools solid-state slab, it by an inside not the metal shell of open close cooling water form, this shell of constantly carrying cooling water becomes solid-state to contacted molten steel cools with it.Can there be various defectives in right slab in forming process, i.e. blemish and surface defect, and its main cause has: 1. the cooling jet of cooling usefulness possibly stop up, and occurs surface or surface defect in the time of will causing the slab crystallization; 2. misoperation in the production line; 3. possibly there is fluctuation in the liquid level of pans in process of production, when liquid level is low, just possibly occur occurring the volume slag easily, thereby cause slag to enter into shaping slab, causes slab defect.And blemish and surface defect mainly contain crackle and sand holes; Crackle mainly branch transverse fissure, lobe and limit splits; The existence of its blemish, naked eyes are can't be observed, and surface defect naked eyes without processing the time are can't be observed; Can cause the economic loss that can't retrieve after waiting to be rolled into steel plate or coil of strip, therefore just particularly important to the check and the finishing of slab.And existing checking measure is: 1) mechanical barking, 2. scafing.Two kinds of methods mainly all are through peelling off the epidermis of slab, thereby rejected region is accurately located, and also can gather the original check data of slab simultaneously, and improve production technology.And the mechanical barking cost of slab is high, and efficient is low, is unfavorable for large-scale industrial production, only can solve the problem of surface of steel plate iron scale, and can not carry out finishing according to the defect situation of slab at any time.And the manner of cleaning up of present scafing is unreasonable, and the scafing rifle operates inconvenience in use, and is very long to the peeling clearance time of a slab; Efficient is very low; Can't satisfy the requirement of the fault detection of steel mill, and the epidermis that peels is very thick, causes the waste of wide variety of materials.
The utility model content
The utility model technical problem to be solved is: a kind of scafing rifle is provided, and this scafing rifle is easy and simple to handle, and the angle in the time of controlling the peeling of scafing rifle flexibly improves the quality of peeling.
For solving the problems of the technologies described above; The technical scheme of the utility model is: a kind of scafing rifle; Comprise the combustion-supporting feed channel that is used to feed combustion-supporting gas, be used to feed the gas pipeline of fuel gas and be used to feed combustion-supporting gas and gaseous mixture pipeline that fuel gas mixes; Said gaseous mixture pipeline afterbody is provided with hybrid chamber; The afterbody of said combustion-supporting feed channel and gas pipeline is communicated with through string hole and hybrid chamber, is respectively equipped with combustion-supporting air cock, burnt gas switch and gaseous mixture switch on said combustion-supporting feed channel, gas pipeline and the gaseous mixture pipeline, and the head of said combustion-supporting feed channel, gas pipeline and gaseous mixture pipeline is fixed through connecting bend; Be fixed with cutting torch on the said connecting bend, the combustion-supporting gas channel that said cutting torch is provided with injection channel and is communicated with combustion-supporting feed channel.
As a kind of preferred scheme; Described cutting torch comprises the connecting portion on the connecting bend that is used to be installed in the scafing rifle; Be fixed with the mouth core in the inner chamber of said connecting portion; Said mouth core is set with fixed cover outward; Said combustion-supporting gas channel is axially disposed within on the connecting portion and axially runs through the mouth core, and said connecting portion is circumferentially with the combustion gas annular groove that is used for being communicated with gas pipeline, be used for the gaseous mixture annular groove that is communicated with the gaseous mixture pipeline, the gap formation injection channel between the periphery of interior week of said fixed cover and mouth core; The cell wall of said combustion gas annular groove is provided with the fuel gas hole that is communicated with said injection channel, and the cell wall of said gaseous mixture annular groove is provided with the mixing pore that is communicated with said injection channel.
As a kind of preferred scheme, described fuel gas hole is evenly arranged on the cell wall of said combustion gas annular groove.
As a kind of preferred scheme, described mixing pore is evenly arranged on the cell wall of said gaseous mixture annular groove.
As a kind of preferred scheme, said injection channel comprises the injection air drain, and said injection air drain annular evenly is arranged on the injection head periphery of mouth core.
As a kind of preferred scheme, said combustion-supporting air cock is provided with the switch pressure handle.
As a kind of preferred scheme, said combustion-supporting air cock is arranged at the afterbody of combustion-supporting feed channel.
After having adopted technique scheme, the effect of the utility model is: because a kind of scafing rifle, comprise the combustion-supporting feed channel that is used to feed combustion-supporting gas, be used to feed the gas pipeline of fuel gas and be used to feed combustion-supporting gas and gaseous mixture pipeline that fuel gas mixes; Said gaseous mixture pipeline afterbody is provided with hybrid chamber, and the afterbody of said combustion-supporting feed channel and gas pipeline is communicated with through string hole and hybrid chamber, is respectively equipped with combustion-supporting air cock, burnt gas switch and gaseous mixture switch on said combustion-supporting feed channel, gas pipeline and the gaseous mixture pipeline; The head of said combustion-supporting feed channel, gas pipeline and gaseous mixture pipeline is fixed through connecting bend, is fixed with cutting torch on the said connecting bend, the combustion-supporting gas channel that said cutting torch is provided with injection channel and is communicated with combustion-supporting feed channel; During work, the operator at first opens combustion-supporting air cock and burnt gas switch, and combustion gas in the gas pipeline and the combustion-supporting gas in the combustion-supporting feed channel spray from the injection channel and the combustion-supporting gas channel of cutting torch respectively; The operator lights combustion gas; Accomplish the igniting action because combustion gas and combustion-supporting gas can mix in hybrid chamber, and in the gas pipeline and the air pressure in the combustion-supporting feed channel bigger than the pressure in the gaseous mixture pipeline; Gaseous mixture can not enter in gas pipeline or the combustion-supporting feed channel; Open the gaseous mixture switch, the gaseous mixture that in hybrid chamber, mixes enters in the injection channel in mixing duct, jet flames occurs thereby accomplish the cutting torch place; Because three pipeline head and the tail all connect; Cutting torch connects through connecting bend, and it is very easy that the operator holds the operation of scafing gun breech portion, the flame angle that the flexible control cutting torch of ability ejects; Thereby control the peeling angle flexibly, the peeling quality is improved.
Because described cutting torch comprises the connecting portion on the connecting bend that is used to be installed in the scafing rifle, be fixed with the mouth core in the inner chamber of said connecting portion again, said mouth core is set with fixed cover outward; Said combustion-supporting gas channel is axially disposed within on the connecting portion and axially runs through the mouth core, and said connecting portion is circumferentially with the combustion gas annular groove that is used for being communicated with gas pipeline, be used for the gaseous mixture annular groove that is communicated with the gaseous mixture pipeline, the gap formation injection channel between the periphery of interior week of said fixed cover and mouth core; The cell wall of said combustion gas annular groove is provided with the fuel gas hole that is communicated with said injection channel, and the cell wall of said gaseous mixture annular groove is provided with the mixing pore that is communicated with said injection channel, therefore; Because injection channel is the gap that is looped around between mouth core and the fixed cover, therefore, the burned flame diameter is very big just; Comparatively speaking, the width of disposable peeling is just than broad, thus the efficient of raising peeling; Practiced thrift the peeling time; Combustion-supporting gas channel not only plays the combustion-supporting effect to mist, but also can the detritus that peeling produces be blown off, makes the surfacing of peeling smooth; Improve the effect of peeling, help the check of slab defect.
Because described fuel gas hole is evenly arranged on the cell wall of said combustion gas annular groove; Described mixing pore is evenly arranged on the cell wall of said gaseous mixture annular groove; It is more even to make combustion gas and gaseous mixture enter into the interior gas of injection channel like this, makes its flame combustion more abundant.
Because said injection channel comprises the injection air drain, and said injection air drain annular evenly is arranged on the injection head periphery of mouth core, therefore, makes its high pressure mixing gas firing that ejects more abundant, guarantee to have burnt temperature again, the flame that ejects is powerful more.
Because it is said combustion-supporting air cock is provided with the switch pressure handle, therefore just very laborsaving when opening and closing combustion-supporting gas again, and operation is also convenient.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Fig. 1 is the structure cutaway view of the utility model embodiment when cutting torch is not installed;
Fig. 2 is the structure cutaway view of the utility model embodiment cutting torch;
In the accompanying drawing: 1. combustion-supporting feed channel; 11. combustion-supporting air cock; 12. switch pressure handle; 2. gas pipeline; 21. burnt gas switch; 3. gaseous mixture pipeline; 31. hybrid chamber; 4. connecting bend; 5. connecting portion; 51. combustion gas annular groove; 52. fuel gas hole; 53. gaseous mixture annular groove; 54. mixing pore; 6. mouth core; 61. threaded portion; 62. injection air drain; 7. fixed cover; 71. fixed cover body; 72. nut; 8. combustion-supporting gas channel.
The specific embodiment
Through specific embodiment the utility model is done further to describe in detail below.
A kind of scafing rifle; As depicted in figs. 1 and 2; The gaseous mixture pipeline 3 that it comprises the combustion-supporting feed channel 1 that is used to feed combustion-supporting gas, is used to feed the gas pipeline 2 of fuel gas and is used to feed combustion-supporting gas and fuel gas mixes; These three kinds of pipelines all are to adopt metal material to make; Gas pressure in it is bigger, and at 10-25kg, these three kinds of manifold pressures are by classifying as to float greatly: the pressure in the pressure in the pressure＞gas pipeline 2 in the combustion-supporting feed channel 1＞gaseous mixture pipeline 3 like the pressure limit in the combustion-supporting feed channel 1.Said gaseous mixture pipeline 3 afterbodys are provided with hybrid chamber 31; The afterbody of said combustion-supporting feed channel 1 and gas pipeline 2 is communicated with through string hole and hybrid chamber 31; Combustion-supporting gas in the combustion-supporting like this feed channel 1 and the combustion gas in the gas pipeline 2 just can enter in the hybrid chamber 31 and mix; Can eject gaseous mixture at the cutting torch place as long as open the gaseous mixture switch, light and just form jet flames.The afterbody of said combustion-supporting feed channel 1 and gas pipeline 2 is respectively equipped with combustion-supporting gas inlet attack and fuel gas inlet joint, and this joint is communicated with source of the gas through the strong flexible pipe of anti-pressure ability.Be respectively equipped with combustion-supporting air cock 11, burnt gas switch 21 and gaseous mixture switch (not shown) on said combustion-supporting feed channel 1, gas pipeline 2 and the gaseous mixture pipeline 3; The head of said combustion-supporting feed channel 1, gas pipeline 2 and gaseous mixture pipeline 3 is fixing through connecting bend 4; Be fixed with cutting torch on the said connecting bend 4, the combustion-supporting gas channel 8 that said cutting torch is provided with injection channel and is communicated with combustion-supporting feed channel 1.What the combustion gas of the utility model was adopted is acetylene, and combustion-supporting gas is oxygen.
Described cutting torch comprises the connecting portion 5 on the connecting bend 4 that is used to be installed in the scafing rifle; Said connecting portion 5 is arranged to truncated cone; Connecting portion 5 is installed in the inside of connecting bend 4; Be tightly connected between the frustum of a cone side face of connecting portion 5 and the internal chamber wall of connecting bend 4, thereby make gaseous mixture annular groove 53 and combustion gas annular groove 51 separate, and be positioned at combustion gas annular groove 51 the places gas pipeline that have scafing rifle 2 openings and gaseous mixture pipeline 3 openings corresponding respectively with being positioned at gaseous mixture annular groove 53 places at connecting bend 4; So just can make the combustion gas in the gas pipeline 2 enter into combustion gas annular groove 51, the gaseous mixture of gaseous mixture pipeline 3 enters into gaseous mixture annular groove 53.Be fixed with mouth core 6 in the inner chamber of said connecting portion 5, said mouth core 6 comprises a threaded portion 61, and threaded portion 61 is connected with the thread in inner cavity of connecting portion 5, thereby accomplishes fixing.The said mouth core 6 outer fixed covers 7 that are set with; Said combustion-supporting gas channel 8 is axially disposed within on the connecting portion 5 and axially runs through mouth core 6; Said connecting portion 5 is circumferentially with the combustion gas annular groove 51 that is used for being communicated with gas pipeline 2, be used for the gaseous mixture annular groove 53 that is communicated with gaseous mixture pipeline 3; Gap in the said fixed cover 7 between the periphery of week and mouth core 6 forms injection channel; The cell wall of said combustion gas annular groove 51 is provided with the fuel gas hole 52 that is communicated with said injection channel, and the cell wall of said gaseous mixture annular groove 53 is provided with the mixing pore 54 that is communicated with said injection channel.
Said fixed cover 7 comprises fixed cover body 71, and it is outer and fastening through nut 72 that said fixed cover body 71 is enclosed within mouth core 6.Form because injection channel is the gap between mouth core 6 and the fixed cover 7, thereby the diameter that ejects flame is big with regard to what compare, comparatively speaking; The width of disposable peeling is just than broad, thereby the efficient of raising peeling has been practiced thrift the peeling time; Oxygen channel not only plays the combustion-supporting effect to mist, but also can the detritus that peeling produces be blown off, makes the surfacing of peeling smooth; Improve the effect of peeling, help the check of slab defect.
Described fuel gas hole 52 is evenly arranged on the cell wall of said combustion gas annular groove 51.Described mixing pore 54 is evenly arranged on the cell wall of said gaseous mixture annular groove 53.It is more even to make combustion gas and gaseous mixture enter into injection channel like this.
Said injection channel comprises injection air drain 62, and said injection air drain 62 annulars evenly are arranged on the injection head periphery of mouth core 6.Formed separate annular spray air drain 62 between the inner chamber of injection air drain 62 and fixed cover body 71 like this, gaseous mixture forms dispersion gas when in spraying air drain 62, spraying, thereby helps the abundant burning of gaseous mixture, makes combusting firepower powerful.
And operation for ease, said combustion-supporting air cock 11 is arranged at the afterbody of combustion-supporting feed channel 1.Said combustion-supporting air cock 11 is provided with switch pressure handle 12.
Claims (7)
1. scafing rifle; It is characterized in that: comprise the combustion-supporting feed channel that is used to feed combustion-supporting gas, be used to feed the gas pipeline of fuel gas and be used to feed combustion-supporting gas and gaseous mixture pipeline that fuel gas mixes; Said gaseous mixture pipeline afterbody is provided with hybrid chamber; The afterbody of said combustion-supporting feed channel and gas pipeline is communicated with through string hole and hybrid chamber; Be respectively equipped with combustion-supporting air cock, burnt gas switch and gaseous mixture switch on said combustion-supporting feed channel, gas pipeline and the gaseous mixture pipeline; The head of said combustion-supporting feed channel, gas pipeline and gaseous mixture pipeline is fixed through connecting bend, is fixed with cutting torch on the said connecting bend, the combustion-supporting gas channel that said cutting torch is provided with injection channel and is communicated with combustion-supporting feed channel.
2. scafing rifle as claimed in claim 1; It is characterized in that: described cutting torch comprises the connecting portion on the connecting bend that is used to be installed in the scafing rifle; Be fixed with the mouth core in the inner chamber of said connecting portion; Said mouth core is set with fixed cover outward; Said combustion-supporting gas channel is axially disposed within on the connecting portion and axially runs through the mouth core, and said connecting portion is circumferentially with the combustion gas annular groove that is used for being communicated with gas pipeline, be used for the gaseous mixture annular groove that is communicated with the gaseous mixture pipeline, the gap formation injection channel between the periphery of interior week of said fixed cover and mouth core; The cell wall of said combustion gas annular groove is provided with the fuel gas hole that is communicated with said injection channel, and the cell wall of said gaseous mixture annular groove is provided with the mixing pore that is communicated with said injection channel.
3. scafing rifle as claimed in claim 2 is characterized in that: described fuel gas hole is evenly arranged on the cell wall of said combustion gas annular groove.
4. scafing rifle as claimed in claim 3 is characterized in that: described mixing pore is evenly arranged on the cell wall of said gaseous mixture annular groove.
5. like each described scafing rifle of claim 2 to 4, it is characterized in that: said injection channel comprises the injection air drain, and said injection air drain annular evenly is arranged on the injection head periphery of mouth core.
6. scafing rifle as claimed in claim 1 is characterized in that: said combustion-supporting air cock is provided with the switch pressure handle.
7. scafing rifle as claimed in claim 1 is characterized in that: said combustion-supporting air cock is arranged at the afterbody of combustion-supporting feed channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202179056U CN202155629U (en) | 2011-06-25 | 2011-06-25 | Flame cleaning gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202179056U CN202155629U (en) | 2011-06-25 | 2011-06-25 | Flame cleaning gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202155629U true CN202155629U (en) | 2012-03-07 |
Family
ID=45763278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202179056U Expired - Fee Related CN202155629U (en) | 2011-06-25 | 2011-06-25 | Flame cleaning gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202155629U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103084697A (en) * | 2012-12-27 | 2013-05-08 | 宁波市江北兴达焊割减压仪表厂 | Cutting torch |
| CN114473132A (en) * | 2022-04-19 | 2022-05-13 | 振东冶金科技江苏有限公司 | Regulating valve with local microcirculation regulating function for corner cleaning |
-
2011
- 2011-06-25 CN CN2011202179056U patent/CN202155629U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103084697A (en) * | 2012-12-27 | 2013-05-08 | 宁波市江北兴达焊割减压仪表厂 | Cutting torch |
| CN103084697B (en) * | 2012-12-27 | 2015-04-29 | 宁波市江北兴达焊割减压仪表厂 | Cutting torch |
| CN114473132A (en) * | 2022-04-19 | 2022-05-13 | 振东冶金科技江苏有限公司 | Regulating valve with local microcirculation regulating function for corner cleaning |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120307 Termination date: 20150625 |
|
| EXPY | Termination of patent right or utility model |