CN204824962U - Real empty room dip pipe gas supply system and vacuum refining system - Google Patents
Real empty room dip pipe gas supply system and vacuum refining system Download PDFInfo
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- CN204824962U CN204824962U CN201520533608.0U CN201520533608U CN204824962U CN 204824962 U CN204824962 U CN 204824962U CN 201520533608 U CN201520533608 U CN 201520533608U CN 204824962 U CN204824962 U CN 204824962U
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Abstract
The utility model relates to a real empty room dip pipe gas supply system, including oxygen air supply, nitrogen gas air supply and argon gas air supply, oxygen air supply, nitrogen gas air supply and argon gas air supply all are connected with an air feed collecting main, and each air feed collecting main all communicates with the ascending dip pipe of real empty room, all is equipped with the trip valve on each air feed collecting main. Still provide a vacuum refining system in addition, this vacuum refining system passes through as above real empty room dip pipe gas supply system the air feed carries out. It is gaseous to blow in different functions in the alternative dip pipe that rises of this gas supply system, and wherein the argon gas is as molten steel endless power supply, and nitrogen gas can let and prevent to rise the dip pipe under the real empty room unoperated state and blow the tubule and block up, and the vacuum refining unbalance problem of molten steel carbon oxygen of arriving at a station can be solved to oxygen in the molten steel circulation, effectively richenes the function of real empty room dip pipe gassing, the qualification rate of corresponding improvement product.
Description
Technical field
The utility model belongs to metallurgy industry steel-making SECONDARY REFINING IN A VACUUM CHAMBER field, is specifically related to a kind of vacuum chamber dip pipe airing system and vacuum refining system.
Background technology
Vacuum refinement, as producing high-end steel products, enhancing productivity, enrich steel products kind and reducing the indispensable important step of production cost, improves vacuum refining process level and becomes very important.And vacuum chamber dip pipe airing system is blown into gas function has a very important role to enriching vacuum chamber dip pipe in molten steel vacuum refining process.
Vacuum chamber dip pipe is blown into gas and plays a key effect to refining effect in vacuum refining process as the key process parameter of molten steel vacuum refining, how to enrich vacuum chamber dip pipe and is blown into the function of gas and the qualification rate improving product is Iron And Steel Company's overriding concern problem.The argon gas that in molten steel vacuum refining process, circulation power is blown into from vacuum chamber dip pipe, but technical argon high expensive, sometimes vacuum refinement molten steel carbon-to-oxygen ratio example of arriving at a station is unbalance, be unfavorable for the natural decarburization in vacuum refinement, technical argon high expensive and the vacuum refinement unbalance problem of molten steel carbon oxygen of arriving at a station that how to solve is significant.
Utility model content
The purpose of this utility model is the defect overcoming prior art, provides a kind of vacuum chamber dip pipe airing system and vacuum refining system, can realize the switching to vacuum chamber oxygen blast, Argon or nitrogen flushing function.
The utility model is achieved in that
The utility model provides a kind of vacuum chamber dip pipe airing system, comprise oxygen source, Nitrogen source gases and argon gas source of the gas, described oxygen source, Nitrogen source gases and argon gas source of the gas are all connected with an air feed main, each described air feed main is all communicated with vacuum chamber rising soaking tub, and each described air feed main is equipped with trip valve.
Further, described airing system also comprises gas manifold mechanism, described gas manifold mechanism comprises many gas manifolds, the inlet end of gas manifold described in every bar is communicated with each described air feed main respectively, the outlet side of each described gas manifold is all communicated with vacuum chamber rising soaking tub, and each described gas manifold is equipped with flowrate control valve.
Further, each described gas manifold includes the pneumatic tube and metallic hose that set gradually along air flow line, and described flowrate control valve is located on corresponding described pneumatic tube.
Further, the quantity of described gas manifold is 6.
Further, each described trip valve and each described flowrate control valve are all electrically connected with vacuum refinement Controlling System.
Further, each described trip valve is located in same valve chamber and is formed oxygen argon nitrogen switching valve station.
Further, each described flowrate control valve is located in same valve chamber and is formed steam supply valve station.
The utility model also provides a kind of vacuum refining system, comprise vacuum chamber, described vacuum chamber comprises vacuum chamber cavity, is connected to rising soaking tub and the decline soaking tub of described vacuum chamber cavity bottom, described rising soaking tub is connected with soaking tub airing system, and described soaking tub airing system is vacuum chamber dip pipe airing system as above.
The utility model has following beneficial effect: this airing system is optionally blown into different function gas in rising soaking tub, the wherein propulsion source that circulates as molten steel of argon gas, nitrogen can allow and prevent under vacuum chamber off working state rising soaking tub to blow little blockage, oxygen can solve vacuum refinement and to arrive at a station the unbalance problem of molten steel carbon oxygen in molten steel circulation, effectively enrich the function that vacuum chamber dip pipe is blown into gas, improve the qualification rate of product targetedly.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the vacuum refining system that Fig. 1 provides for the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belong to the scope of the utility model protection.
As Fig. 1, the utility model embodiment provides a kind of vacuum chamber dip pipe airing system, comprise oxygen source 6, Nitrogen source gases 8 and argon gas source of the gas 10, described oxygen source 6, Nitrogen source gases 8 and argon gas source of the gas 10 are all connected with an air feed main, each described air feed main is all communicated with vacuum chamber rising soaking tub 3, and each described air feed main is equipped with trip valve.Wherein, trip valve on the air feed main be connected with oxygen source 6 is oxygen cutting valve 5, trip valve on the air feed main be connected with Nitrogen source gases 8 is nitrogen trip valve 7, trip valve on the air feed main be connected with argon gas source of the gas 10 is argon gas trip valve 9, and these three trip valves are located in same valve chamber and are formed oxygen argon nitrogen switching valve station.By this oxygen argon nitrogen switching valve station, optionally in rising soaking tub 3, be blown into different function gas, the wherein propulsion source that circulates as molten steel of argon gas, nitrogen can allow and prevent under vacuum chamber off working state rising soaking tub 3 to blow little blockage, and oxygen can solve vacuum refinement and to arrive at a station the unbalance problem of molten steel carbon oxygen in molten steel circulation.
Further, described airing system also comprises gas manifold mechanism, described gas manifold mechanism comprises many gas manifolds, the inlet end of gas manifold described in every bar is communicated with each described air feed main respectively, the outlet side of each described gas manifold is all communicated with vacuum chamber rising soaking tub 3, and each described gas manifold is equipped with flowrate control valve 12.Wherein, each described gas manifold includes the pneumatic tube 13 and metallic hose 11 that set gradually along air flow line, and described flowrate control valve 12 is located on corresponding described pneumatic tube 13.In the present embodiment, the quantity of described gas manifold is 6; Each described flowrate control valve 12 is located in same valve chamber and is formed steam supply valve station.Arrange many gas manifolds to be conducive to stability contorting and to enter gas flow in rising soaking tub 3, by the adjustment of each flowrate control valve 12, difference in functionality gas can be made according to the one-tenth gradation parameter of different steel grade to realize the fine setting of the gas flow entered in rising soaking tub 3.
As preferably, each described trip valve and each described flowrate control valve 12 are all electrically connected with vacuum refinement Controlling System, namely each trip valve and each flowrate control valve 12 are automatically controlled valve (motorized valve or pneumavalve), the keying being realized each trip valve by vacuum refinement Controlling System is switched, and the aperture of each flowrate control valve 12 controls, thus realize automatically controlling.This autocontrol method adopts existing automatic control technology, without the need to other programming.
The present embodiment also provides a kind of vacuum refining system, comprise vacuum chamber 1, described vacuum chamber 1 comprises vacuum chamber cavity, is connected to rising soaking tub 3 and the decline soaking tub 4 of described vacuum chamber cavity bottom, described rising soaking tub 3 is connected with soaking tub airing system, and described soaking tub airing system is vacuum chamber dip pipe airing system as above.Vacuum chamber cavity is as the place of molten steel chemical reaction, and molten steel enters vacuum chamber cavity by rising soaking tub 3, is got back in ladle by decline soaking tub 4.This vacuum chamber 1 is delivered by vacuum chamber chassis 2.
The working process of the vacuum chamber dip pipe airing system that the present embodiment provides is as follows:
Under vacuum chamber 1 is in running order, in oxygen argon nitrogen switching valve station, oxygen cutting valve 5 cuts out, and argon gas trip valve 9 is opened, and nitrogen trip valve 7 cuts out, and in the air blowing tubule of argon gas by the rising soaking tub 3 of many gas manifold access vacuum chambers 1, makes molten steel start circulation.
When vacuum, to be refined to station molten steel carbon oxygen unbalance, when being unfavorable for the decarburization of vacuum refinement nature, under vacuum chamber 1 is in running order, in oxygen argon nitrogen switching valve station, oxygen cutting valve 5 is opened, argon gas trip valve 9 cuts out, and nitrogen trip valve 7 cuts out, in the air blowing tubule of oxygen by the rising soaking tub 3 of many gas manifold access vacuum chambers 1, make the oxygen dissolution be blown in molten steel, be conducive to the removal of carbon in molten steel.
Under vacuum chamber 1 is in off working state, in oxygen argon nitrogen switching valve station, oxygen cutting valve 5 cuts out, argon gas trip valve 9 cuts out, nitrogen trip valve 7 is opened, in the air blowing tubule of argon gas by the rising soaking tub 3 of many gas manifold access vacuum chambers 1, effectively can prevent the little blockage of the air blowing of rising soaking tub 3.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. a vacuum chamber dip pipe airing system, it is characterized in that: comprise oxygen source, Nitrogen source gases and argon gas source of the gas, described oxygen source, Nitrogen source gases and argon gas source of the gas are all connected with an air feed main, each described air feed main is all communicated with vacuum chamber rising soaking tub, and each described air feed main is equipped with trip valve.
2. vacuum chamber dip pipe airing system according to claim 1, it is characterized in that: described airing system also comprises gas manifold mechanism, described gas manifold mechanism comprises many gas manifolds, the inlet end of gas manifold described in every bar is communicated with each described air feed main respectively, the outlet side of each described gas manifold is all communicated with vacuum chamber rising soaking tub, and each described gas manifold is equipped with flowrate control valve.
3. vacuum chamber dip pipe airing system according to claim 2, is characterized in that: each described gas manifold includes the pneumatic tube and metallic hose that set gradually along air flow line, and described flowrate control valve is located on corresponding described pneumatic tube.
4. the vacuum chamber dip pipe airing system according to Claims 2 or 3, is characterized in that: the quantity of described gas manifold is 6.
5. vacuum chamber dip pipe airing system according to claim 2, is characterized in that: each described trip valve and each described flowrate control valve are all electrically connected with vacuum refinement Controlling System.
6. vacuum chamber dip pipe airing system according to claim 1, is characterized in that: each described trip valve is located in same valve chamber and is formed oxygen argon nitrogen switching valve station.
7. vacuum chamber dip pipe airing system according to claim 2, is characterized in that: each described flowrate control valve is located in same valve chamber and is formed steam supply valve station.
8. a vacuum refining system, comprise vacuum chamber, described vacuum chamber comprises vacuum chamber cavity, is connected to rising soaking tub and the decline soaking tub of described vacuum chamber cavity bottom, described rising soaking tub is connected with soaking tub airing system, it is characterized in that: described soaking tub airing system is the vacuum chamber dip pipe airing system such as according to any one of claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520533608.0U CN204824962U (en) | 2015-07-22 | 2015-07-22 | Real empty room dip pipe gas supply system and vacuum refining system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520533608.0U CN204824962U (en) | 2015-07-22 | 2015-07-22 | Real empty room dip pipe gas supply system and vacuum refining system |
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| CN204824962U true CN204824962U (en) | 2015-12-02 |
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| CN201520533608.0U Active CN204824962U (en) | 2015-07-22 | 2015-07-22 | Real empty room dip pipe gas supply system and vacuum refining system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109166714A (en) * | 2018-08-06 | 2019-01-08 | 张家港市双成电工设备有限公司 | A kind of vacuum impregnation equipment |
| CN117782471A (en) * | 2024-02-27 | 2024-03-29 | 中国重型机械研究院股份公司 | Device and method for detecting conduction capacity of argon blowing pipeline of RH vacuum tank dip pipe |
-
2015
- 2015-07-22 CN CN201520533608.0U patent/CN204824962U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109166714A (en) * | 2018-08-06 | 2019-01-08 | 张家港市双成电工设备有限公司 | A kind of vacuum impregnation equipment |
| CN117782471A (en) * | 2024-02-27 | 2024-03-29 | 中国重型机械研究院股份公司 | Device and method for detecting conduction capacity of argon blowing pipeline of RH vacuum tank dip pipe |
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| C14 | Grant of patent or utility model | ||
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