CN203728876U - Upper charging mechanism for vacuum degassing furnace - Google Patents
Upper charging mechanism for vacuum degassing furnace Download PDFInfo
- Publication number
- CN203728876U CN203728876U CN201320888458.6U CN201320888458U CN203728876U CN 203728876 U CN203728876 U CN 203728876U CN 201320888458 U CN201320888458 U CN 201320888458U CN 203728876 U CN203728876 U CN 203728876U
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- China
- Prior art keywords
- charging
- main body
- chain
- vacuum degassing
- feed compartment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 230000007246 mechanism Effects 0.000 title claims abstract description 55
- 238000009849 vacuum degassing Methods 0.000 title claims abstract description 37
- 238000007789 sealing Methods 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 8
- 239000000725 suspension Substances 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract 3
- 238000004804 winding Methods 0.000 abstract 2
- 229910000831 Steel Inorganic materials 0.000 description 13
- 239000010959 steel Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000007670 refining Methods 0.000 description 6
- 238000003723 Smelting Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910000760 Hardened steel Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000915 Free machining steel Inorganic materials 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007499 fusion processing Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Landscapes
- Manufacture And Refinement Of Metals (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model discloses an upper charging mechanism for a vacuum degassing furnace which can be used for feeding materials in atmospheric states and replenishing in vacuum states. The mechanism comprises a charging chamber, a charging lifting mechanism, a charging bucket and a thermocouple, wherein the charging chamber comprises a charging chamber main body, a driving chamber and a cover plate; a charging door is hinged on the front surface of the charging chamber main body; the lower end of the charging chamber main body is connected with a furnace cover of the vacuum degassing furnace; the charging lifting mechanism comprises a servo motor, a chain wheel transmission mechanism, a charging driving shaft and a lifting chain; the servo motor and the chain wheel transmission mechanism are arranged outside one side surface of the driving chamber; the chain wheel transmission mechanism consists of a driving chain wheel, chains and a driven chain wheel which are arranged on the servo motor; one end of the charging driving shaft is connected with the driving chain wheel, and the other end of the charging driving shaft penetrates into the driving chamber and is connected with a chain winding coil; one end of the lifting chain is wound on the chain winding coil, and the other end of the lifting chain is extended down into the charging chamber main body by virtue of an auxiliary wheel and is connected with a lifting hook; the charging bucket and the thermocouple are hung on the lifting hook of the lifting chain.
Description
Technical field
The utility model relates to a kind of upper charging mechanism for vacuum degassing furnace.
Background technology
Along with economic development, technology is constantly reformed, and the demand of these refining steels such as all trades and professions effects on surface hardened steel, hardened steel and tempered steel, cold heading steel, spring steel and free-cutting steel increases day by day.Secondary refining is the critical process that determines iron and steel performance, and secondary refining is a kind of method of the molten steel just being refined by steel melting furnace being poured into further refining in ladle or special container, Direct Steel Process is become to two-step steelmaking process.External refining can complete following task: 1) reduce sulphur, oxygen, hydrogen, nitrogen and the non-metallic inclusion content in steel, change inclusion morphology, to improve the purity of steel, improve the mechanical property of steel; Dark decarburization, will drop to utmost point low levels carbon under given conditions, meets the requirement of low-carbon (LC) and ultra low-carbon steel; 2) fine setting alloying constituent, in very narrow scope, and is evenly distributed it Composition Control, falls low alloy-consumption, improves alloying element recovery rate; 3) liquid steel temperature is adjusted in the needed scope of casting, reduced the thermograde of molten steel in bag.
In view of the demand of existing all trades and professions to refining steel, the technique of induction furnace in the past and performance can not adapt to the current market requirement, Given this developed a kind of induction melting vacuum deaerator plant, but, to under the state of vacuum, complete smelting, must there is a mechanism to meet the filling supply of fusion process, and can not destroy vacuum.
Summary of the invention
The purpose of this utility model is to overcome the defect of prior art, and a kind of upper charging mechanism for vacuum degassing furnace is provided, and it can be in filling under atmospheric condition, then supply under vacuum state, thus can reduce energy consumption, shorten the smelting technology time.
The purpose of this utility model is achieved in that a kind of upper charging mechanism for vacuum degassing furnace, comprises feed compartment, reinforced lifting mechanism, charging bucket and thermopair, wherein,
Described feed compartment comprises feed compartment main body, be fixed on the drive chamber of described feed compartment main body upper end and be sealed on the cover plate of drive chamber upper end; Described feed compartment main body is that a vacuum-sealing cavity and positive hinged can be opened the charging door of 150 °, and the lower end of this feed compartment main body is connected with the bell of described vacuum degassing furnace;
Described reinforced lifting mechanism comprises servomotor, chain wheel driving mechanism, reinforced drive shaft and lifting chain, and described servomotor and chain wheel driving mechanism are arranged on outside a side of described drive chamber, and an encoder is installed on described servomotor; Described chain wheel driving mechanism is made up of the drive sprocket, chain and the driven sprocket that are arranged on servomotor; One end of described reinforced drive shaft is connected with described drive sprocket, and the other end penetrates connection one chain closed reel in described drive chamber; One end of described lifting chain be wrapped in described chain closed reel on, the other end explores downward in described feed compartment main body by an auxiliary wheel and connects a suspension hook;
Described charging bucket and thermopair all hang on the suspension hook of described lifting chain.
The above-mentioned upper charging mechanism for vacuum degassing furnace, wherein, also installs the thermopair reel of a cable for the described thermopair of reeling in described drive chamber, on this thermopair reel, have automatic rewinding spring device.
The above-mentioned upper charging mechanism for vacuum degassing furnace, wherein, the lower hinge one of a side of described feed compartment main body is for placing the swing arm of described charging bucket.
The above-mentioned upper charging mechanism for vacuum degassing furnace, wherein, between described drive chamber and cover plate, be equipped with v-ring between described feed compartment main body and charging door.
The above-mentioned upper charging mechanism for vacuum degassing furnace, wherein, installs a sealing socket outside the perforation that described drive chamber penetrates at described reinforced drive shaft.
The above-mentioned upper charging mechanism for vacuum degassing furnace, wherein, the lower end of described feed compartment main body is connected with the bell of described vacuum degassing furnace by vacuum separation valve.
The above-mentioned upper charging mechanism for vacuum degassing furnace, wherein, described feed compartment is connected with vacuum system by ELECTROMAGNETIC VACUUM butterfly valve.
The above-mentioned upper charging mechanism for vacuum degassing furnace, wherein, is provided with tensimeter and some pressing handwheels is installed in uniform way on described charging door.
Upper charging mechanism for vacuum degassing furnace of the present utility model, simple for structure, efficient, can be in filling under atmospheric condition, then reinforced to degasification furnace under vacuum state, in reinforced process, reveal without gas, dust, guarantee good sealing effectiveness, reduce energy consumption, and can be reinforced online at any time, thus energy consumption can be reduced, shorten the smelting technology time.
Brief description of the drawings
Fig. 1 is the front view (broken section) of the upper charging mechanism for vacuum degassing furnace of the present utility model;
Fig. 2 is the side-view (broken section) of the upper charging mechanism for vacuum degassing furnace of the present utility model;
Fig. 3 is that A-A in Fig. 2 is to view;
Fig. 4 is that B-B in Fig. 2 is to view.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Vacuum degassing furnace comprises furnace shell, bell, and the top of furnace shell arranges a tongued and grooved flanges, is also provided with sealing-ring on the end face of sealing flange, makes to form totally enclosed vacuum chamber between the tongued and grooved flanges of furnace shell and bell; The top of bell is vacuum separation valve, and upper charging mechanism of the present utility model is just installed on vacuum separation valve.
Refer to Fig. 1 to Fig. 4, the upper charging mechanism for vacuum degassing furnace of the present utility model, comprises feed compartment, reinforced lifting mechanism, charging bucket 3 and thermopair.
Feed compartment comprises feed compartment main body 10, be fixed on feed compartment main body 10 upper end drive chamber 11 and be sealed on the cover plate 12 of the upper end of drive chamber 11; Wherein, feed compartment is a vacuum-sealing cavity and is connected with vacuum system by ELECTROMAGNETIC VACUUM butterfly valve; The charging door 13 of 150 ° can be opened in the front hinged of feed compartment main body 10, tensimeter 5 is installed on these charging door 13 and four pressing handwheels 15 are installed in uniform way; The lower end of this feed compartment main body 1 is connected with the bell of vacuum degassing furnace by vacuum separation valve 6.
The lower hinge one of one side of feed compartment main body 10 is for placing the swing arm 16 of charging bucket 3.
Reinforced lifting mechanism comprises servomotor 20, chain wheel driving mechanism, reinforced drive shaft 24 and lifting chain 26, wherein, servomotor 20 and chain wheel driving mechanism are arranged on by mounting plate 29 outside a side of drive chamber 11, and an encoder 7 is installed on servomotor 20; Chain wheel driving mechanism is made up of the drive sprocket 21, chain 22 and the driven sprocket 23 that are arranged on successively on servomotor 20; One end of reinforced drive shaft 24 is connected with drive sprocket 21, and the other end penetrates the interior connection one chain closed reel 25 of drive chamber 11; One end of lifting chain 25 be wrapped in chain closed reel 25 on, the other end explores downward in feed compartment main body 10 by an auxiliary wheel 27 and connects a suspension hook 28.
The thermopair reel 4 that one cable for the thermopair of reeling is also installed by a reel support 40 in drive chamber 11, has automatic rewinding spring device on this thermopair reel 4.
Charging bucket 3 and thermopair all hang on the suspension hook 28 of lifting chain 26.
Because feed compartment is a vacuum-sealing cavity, therefore between feed compartment main body 10 and charging door 13, be equipped with v-ring 51,52 between drive chamber 11 and cover plate 12; And a sealing socket 53 is installed outside the perforation penetrating at the reinforced drive shaft 24 of drive chamber 11.
Upper charging mechanism for vacuum degassing furnace of the present utility model, reinforced whole process completes in the inside of feed compartment main body 10.In feed compartment main body 10, is furnished with vacuum pressure sensor, in order to control the opening and closing of segregaion valve 6.Charging bucket 3 at right angle settings are in the inside of feed compartment main body 10, and servomotor 20 carries out upper underdrive by reinforced drive shaft 24 to it; Encoder 7 connects with reinforced drive shaft 24 by chain wheel driving mechanism, ensures that the operation of servomotor 20 is synchronizeed with the position of charging bucket 3; Swing arm 16 proceeds to feed compartment main body 10 in order to place charging bucket 3 after charging door 13 are opened, and charging bucket 3 is rotated to feed compartment main body 10, realize under atmospheric condition to charging bucket 3 fillings, complete after filling and again charging bucket 3 is proceeded in feed compartment main body 10 and be connected with lifting chain 25, then swing arm 16 is resetted, close charging door 13 and compress charging door 13 by pressing handwheel 15; Lifting chain 25 is sent into charging bucket 3 in vacuum degassing furnace, then controls the unlatching of charging bucket bottom, and material is added in vacuum degassing furnace; The thermometric of thermopair can ensure the reinforced time, the signal feedback of thermopair adopts special tightness system, the cable of thermopair is drawn and is wrapped on thermopair reel 4 by the inside of feed compartment main body 10, thermopair reel 4 has automatic rewinding spring device, is convenient to the cable of thermopair automatic rewinding thermopair after lifting; Thermopair and charging bucket 4 share reinforced lifting mechanism, at any time manual switchover.
The principle of work of vacuum degassing furnace is: under atmospheric condition, by blank fusing, then start that bell running gear coordinates with furnace shell and through auxiliary cylinder compression formation enclosed housing; Upper charging mechanism is connected with vacuum system by pipeline, in the middle of pipeline, has ELECTROMAGNETIC VACUUM butterfly valve, then the charging bucket 3 that fills material is hung in swing arm 16, swing arm 16 is rotated to proper angle, charging bucket 3 is connected with lifting chain 25, swing arm 16 is resetted, close charging door 13 and compress; Start vacuum system, setting program is opened the vacuum butterfly valve of charging mechanism automatically, feed compartment and furnace shell is vacuumized simultaneously, reaches after certain vacuum degree, and system will be carried out argon bottom-blowing, stir degassed; Complete this technique, will carry out charging technology; Set after vacuum tightness when the vacuum tightness of feed compartment and furnace shell reaches, system is opened the vacuum separation valve 6 that connects upper charging mechanism and bell automatically, prepares to feed in raw material action; The valve plate of vacuum separation valve 6 is opened completely, position transducer picked up signal, start servomotor 20, servomotor 20 drives reinforced drive shaft 24 that charging bucket 3 is declined, encoder 7 is synchronously followed the tracks of, and feeds back at any time lowering speed and moment highly, when charging bucket 3 arrives specified location, position transducer provides signal, stops servomotor 20; The safety fuse of the interior thermal radiation fusing charging bucket 3 of furnace shell, has fed in raw material; Manually boot servomotor 20, charging bucket 3 is mentioned, then close vacuum separation valve 6.Whole operating process provides signal by each sensor, is respectively moved by PLC time variable control, and process is clear to be presented in man-machine interface, and convenient operation is very clear.
Upper charging mechanism for vacuum degassing furnace of the present utility model, can be in filling under atmospheric condition, and then supply under vacuum state reduces energy consumption, shortens the smelting technology time.
Above embodiment is only for illustration of the utility model, but not to restriction of the present utility model, person skilled in the relevant technique, in the situation that not departing from spirit and scope of the present utility model, can also make various conversion or modification, therefore all technical schemes that are equal to also should belong to category of the present utility model, should be limited by each claim.
Claims (8)
1. for a upper charging mechanism for vacuum degassing furnace, comprise feed compartment, reinforced lifting mechanism, charging bucket and thermopair, it is characterized in that,
Described feed compartment comprises feed compartment main body, be fixed on the drive chamber of described feed compartment main body upper end and be sealed on the cover plate of drive chamber upper end; Described feed compartment main body is that a vacuum-sealing cavity and positive hinged can be opened the charging door of 150 °, and the lower end of this feed compartment main body is connected with the bell of described vacuum degassing furnace;
Described reinforced lifting mechanism comprises servomotor, chain wheel driving mechanism, reinforced drive shaft and lifting chain, and described servomotor and chain wheel driving mechanism are arranged on outside a side of described drive chamber, and an encoder is installed on described servomotor; Described chain wheel driving mechanism is made up of the drive sprocket, chain and the driven sprocket that are arranged on servomotor; One end of described reinforced drive shaft is connected with described drive sprocket, and the other end penetrates connection one chain closed reel in described drive chamber; One end of described lifting chain be wrapped in described chain closed reel on, the other end explores downward in described feed compartment main body by an auxiliary wheel and connects a suspension hook;
Described charging bucket and thermopair all hang on the suspension hook of described lifting chain.
2. the upper charging mechanism for vacuum degassing furnace according to claim 1, is characterized in that, the thermopair reel of a cable for the described thermopair of reeling is also installed in described drive chamber, on this thermopair reel, has automatic rewinding spring device.
3. the upper charging mechanism for vacuum degassing furnace according to claim 1, is characterized in that, the lower hinge one of a side of described feed compartment main body is for placing the swing arm of described charging bucket.
4. the upper charging mechanism for vacuum degassing furnace according to claim 1, is characterized in that, between described drive chamber and cover plate, be equipped with v-ring between described feed compartment main body and charging door.
5. the upper charging mechanism for vacuum degassing furnace according to claim 1, is characterized in that, a sealing socket is installed outside the perforation that described drive chamber penetrates at described reinforced drive shaft.
6. the upper charging mechanism for vacuum degassing furnace according to claim 1, is characterized in that, the lower end of described feed compartment main body is connected with the bell of described vacuum degassing furnace by vacuum separation valve.
7. the upper charging mechanism for vacuum degassing furnace according to claim 1, is characterized in that, described feed compartment is connected with vacuum system by ELECTROMAGNETIC VACUUM butterfly valve.
8. the upper charging mechanism for vacuum degassing furnace according to claim 1, is characterized in that, tensimeter is installed on described charging door and some pressing handwheels are installed in uniform way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320888458.6U CN203728876U (en) | 2013-12-31 | 2013-12-31 | Upper charging mechanism for vacuum degassing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320888458.6U CN203728876U (en) | 2013-12-31 | 2013-12-31 | Upper charging mechanism for vacuum degassing furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203728876U true CN203728876U (en) | 2014-07-23 |
Family
ID=51198962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320888458.6U Expired - Lifetime CN203728876U (en) | 2013-12-31 | 2013-12-31 | Upper charging mechanism for vacuum degassing furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203728876U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103667604A (en) * | 2013-12-31 | 2014-03-26 | 无锡应达工业有限公司 | Feeding mechanism for vacuum degassing furnace |
| CN104120260A (en) * | 2014-08-07 | 2014-10-29 | 沈阳真空技术研究所 | Multifunctional vacuum charging device |
-
2013
- 2013-12-31 CN CN201320888458.6U patent/CN203728876U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103667604A (en) * | 2013-12-31 | 2014-03-26 | 无锡应达工业有限公司 | Feeding mechanism for vacuum degassing furnace |
| CN104120260A (en) * | 2014-08-07 | 2014-10-29 | 沈阳真空技术研究所 | Multifunctional vacuum charging device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140723 Effective date of abandoning: 20150311 |
|
| RGAV | Abandon patent right to avoid regrant |