CN106838327A - A kind of VOD refines furnace oxygen lance sealing device - Google Patents
A kind of VOD refines furnace oxygen lance sealing device Download PDFInfo
- Publication number
- CN106838327A CN106838327A CN201710108059.6A CN201710108059A CN106838327A CN 106838327 A CN106838327 A CN 106838327A CN 201710108059 A CN201710108059 A CN 201710108059A CN 106838327 A CN106838327 A CN 106838327A
- Authority
- CN
- China
- Prior art keywords
- sealing ring
- oxygen rifle
- sealing
- vod
- ring
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/10—Handling in a vacuum
Abstract
The invention discloses a kind of VOD refining furnace oxygen lance sealing devices, including support, cylinder, sealing ring and pressing plate；The support is divided into upper and lower two, is connected by cylinder, cylinder driving arm is clamped or is loosened；The sealing ring is enclosed within oxygen rifle, and ring inner hole has multiple annular ring teeth around oxygen rifle, and sealing ring respectively has a U-type groove around oxygen rifle up and down；There is pressing plate the sealing ring top, and the pressing plate is enclosed within oxygen rifle, and there are pressure head corresponding with the U-type groove of sealing ring, the width of the width more than U-type groove of the pressure head in its underpart.The invention makes the oxygen rifle sealing device sealing more reliable, life-span more permanent, and up to more than 100 times of service life of original oxygen rifle sealing device, and cost is less expensive.
Description
Technical field
The present invention relates to ensure that VOD refining furnaces make steel the device of quality, specifically a kind of VOD refinings furnace oxygen lance sealing
Device.
Background technology
VOD type vacuum refining devices are one of current external refining equipments most popular in the world.It has equipment
Simply, small investment, low cost, refining steel grade it is many, quality is high, it is easy to operate many advantages, such as, therefore as Special Steel Works indispensability
Refining means.The equipment major function is extremely strong vacuum outgas ability, therefore can ensure that the hydrogen in steel, oxygen, nitrogen content reach
Floor level, and molten steel composition is accurately adjusted, field trash is fully floated, and effectively improve the clarity of steel.So how to protect
That demonstrate,proves VOD type vacuum refining devices is sealed into the most important thing everywhere.
The content of the invention
The invention aims to solve above-mentioned technical problem, there is provided a kind of VOD refines furnace oxygen lance sealing device.The hair
It is bright to make the oxygen rifle sealing device sealing more reliable, life-span more permanent, up to more than 100 times of service life of original oxygen rifle sealing device,
And cost is lower.
Realize the technical scheme is that：A kind of VOD refines furnace oxygen lance sealing device, it is characterised in that：Including support,
Cylinder, sealing ring and pressing plate；The support is divided into upper and lower two, is connected by cylinder, cylinder driving arm is clamped or is loosened；
The sealing ring is enclosed within oxygen rifle, and ring inner hole has multiple annular ring teeth around oxygen rifle, and sealing ring respectively has a ring up and down
Around the U-type groove of oxygen rifle；There is pressing plate the sealing ring top, and the pressing plate is enclosed within oxygen rifle, and there is the U-type groove pair with sealing ring its underpart
The pressure head answered, the width of the width more than U-type groove of the pressure head.
The ring inner hole has gap with oxygen rifle.
The ring inner hole is 2mm~5mm with the unilateral gap of oxygen rifle.
The sealing ring is silicone rubber O-ring.
The circle space width of the ring inner hole is 7mm, and depth is 1.5mm.
The upper and lower U-type groove width of the sealing ring is 10mm.
The width of the pressing plate pressure head is 16mm.
The beneficial effects of the invention are as follows：The present invention makes the oxygen rifle sealing device sealing more reliable, life-span more permanent, up to original oxygen
The service life that more than 100 times of rifle sealing device, and cost is lower.
Brief description of the drawings
Fig. 1 embodiment of the present invention oxygen rifle sealing device assembling structure schematic diagrams；
Fig. 2 embodiment of the present invention ring structure schematic diagrames；
Fig. 3 embodiment of the present invention pressure plate structure schematic diagrames.
Label in figure：1-oxygen rifle, 2-sealing ring, 3-pressing plate, 4-support, 5-cylinder, 6-vacuum chamber, 7-sealing
Circle endoporus, 8-circle tooth, 9-U-type groove, 10-pressure head.
Specific embodiment
As shown in Figure 1 to Figure 3, a kind of VOD refinings furnace oxygen lance sealing device, including support 4, cylinder 5, sealing ring 2 and pressure
Plate 3；4 points of the support is upper and lower two, is connected by cylinder 5, the driving arm 4 of cylinder 5 is clamped or is loosened；The sealing ring
2 are enclosed within oxygen rifle 1, and ring inner hole 7 has multiple annular ring teeth 8 around oxygen rifle 1, and each circle tooth 8 spacing is 7mm, and depth is
1.5mm, sealing ring 2 be pressurized inwardly expansion after, it is each circle tooth 8 top can with the wall of oxygen rifle 8 produce contact, it is ensured that sealing ring 2 with
Form multi-sealed between oxygen rifle 1.Sealing ring respectively has a U-type groove 9 around oxygen rifle 1 about 2, its width is 10mm.Institute
Stating the top of sealing ring 2 has pressing plate 3, and the pressing plate 3 is enclosed within oxygen rifle 1, and there is the corresponding pressure head of U-type groove 9 with sealing ring 2 its underpart
10, the width of the pressure head 10 is 16mm, more than the width of U-type groove 9.The ring inner hole 7 and oxygen rifle 1 have the unilateral gap to be
The gap of 2mm~5mm, to unclamp during pressing plate 3, facilitates the lifting moving in vacuum chamber 6 of oxygen rifle 1.The sealing ring 2 is silicon rubber
Sealing ring.
The specifically used operating process of the embodiment of the present invention is：
1）Mapping VOD vacuum refining device sealing device relative dimensions, mainly oxygen rifle diameter dimension measure accurate Ф 120.
2）Sealing ring inner ring size is determined according to oxygen rifle diameter dimension Ф 120, to ensure that oxygen rifle is smoothly moved in sealing ring
It is dynamic（Oxygen rifle open height will up and down be adjusted according to liquid steel level height）, size can not be too small, between at least unilateral more than guarantee 2mm
Gap, but to ensure that sealing ring is fully contacted after being pressurized with oxygen rifle, size can not be excessive, and unilateral gap is no more than 5mm.This set
The ring inner hole size of oxygen rifle sealing device is finally set to Ф 126.
3）Sealing ring material is selected：Because temperature is high at oxygen rifle sealing, about 120 DEG C or so, the sealing ring we need have
Certain elasticity, by searching, information contrast analysis is final to determine that sealing ring material is silicon rubber, and the heat resistance of silicon rubber is very
It is prominent, at 180 DEG C can long-term work, a little higher than 200 DEG C can also bear several weeks or the longer time is still flexible, instantaneously be resistant to
More than 300 DEG C of high temperature.
4）Sealing ring is that this set invents a most important part, and oxygen rifle sealing effectiveness quality depends on the sealing with sealing ring
Effect, to ensure sealing effectiveness, sealing ring is designed to other shaped by us（See the special-shaped silicone rubber O-ring of accompanying drawing 2）.In sealing ring
Hole is the tooth shape of spacing 7mm depths 1.5mm, is pressurized after inwardly expansion, and each circle tooth top can be produced with oxygen rifle wall and contacted, it is ensured that
Formed between sealing ring and oxygen rifle multi-sealed；And sealing ring is inside after the U-type groove upper and lower 10mm of sealing ring wide is to ensure that compression
It is bigger with outside expansion distance, it is allowed to sealing ring inner face, outside, is fully contacted below, it is ensured that sealing effectiveness；
5）The size of pressing plate pressure head 10 is determined according to the width of sealing ring U-type groove 9, to ensure that sealing ring 2 reaches to inside and outside swell increment
3mm, 16mm is sized so as to by pressure head 10, and when pressure head 10 is forced downward special-shaped silicone rubber O-ring, ring inner hole 7 is at least
≤ Ф 120, has fully ensured that sealing effectiveness.
6）Control and hold-down devices：The invention of this set is cost-effective, reduces improvement to be improved on original equipment
Amount, control system utilizes original system（Magnetic valve unidirectionally supplies pneumatics wind：Pressure 0.6MPa）.For this dynamical element, we can only select
Two single action cylinder STA50*30-B provide downward pressure and form sealing, and it is complete by cylinder spring and sealing ring elasticity to restore to the original state
Into.
Claims (7)
1. a kind of VOD refines furnace oxygen lance sealing device, it is characterised in that：Including support, cylinder, sealing ring and pressing plate；The branch
Frame is divided into upper and lower two, is connected by cylinder, cylinder driving arm is clamped or is loosened；The sealing ring is enclosed within oxygen rifle, close
Seal endoporus has multiple annular ring teeth around oxygen rifle, and sealing ring respectively has a U-type groove around oxygen rifle up and down；The sealing ring
There is pressing plate top, and the pressing plate is enclosed within oxygen rifle, and there are pressure head corresponding with the U-type groove of sealing ring, the width of the pressure head in its underpart
More than the width of U-type groove.
2. VOD refines furnace oxygen lance sealing device according to claim 1, it is characterised in that：The ring inner hole and oxygen rifle
There is gap.
3. VOD refines furnace oxygen lance sealing device according to claim 2, it is characterised in that：The ring inner hole and oxygen rifle
Unilateral gap be 2mm~5mm.
4. VOD refines furnace oxygen lance sealing device according to claim 1, it is characterised in that：The sealing ring is that silicon rubber is close
Seal.
5. VOD refines furnace oxygen lance sealing device according to claim 1, it is characterised in that：The circle tooth of the ring inner hole
Spacing is 7mm, and depth is 1.5mm.
6. VOD refines furnace oxygen lance sealing device according to claim 1, it is characterised in that：The upper and lower U-type groove of the sealing ring
Width is 10mm.
7. VOD refines furnace oxygen lance sealing device according to claim 1, it is characterised in that：The width of the pressing plate pressure head is
16mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710108059.6A CN106838327A (en) | 2017-02-27 | 2017-02-27 | A kind of VOD refines furnace oxygen lance sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710108059.6A CN106838327A (en) | 2017-02-27 | 2017-02-27 | A kind of VOD refines furnace oxygen lance sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106838327A true CN106838327A (en) | 2017-06-13 |
Family
ID=59134962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710108059.6A Pending CN106838327A (en) | 2017-02-27 | 2017-02-27 | A kind of VOD refines furnace oxygen lance sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106838327A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2233486Y (en) * | 1995-06-09 | 1996-08-21 | 哈尔滨市石油公司 | Omnibearing adjustable container lead-out pipe sealing joint |
| US5979904A (en) * | 1997-12-12 | 1999-11-09 | Bal Seal Engineering Company, Inc. | Rotary reciprocating seals with exterior metal band |
| CN2695724Y (en) * | 2004-05-17 | 2005-04-27 | 张树才 | Ring-shape sealing device |
| CN103867718A (en) * | 2012-12-07 | 2014-06-18 | 宁波市鄞州通用电器二厂 | Ball-swelling type high-pressure end cap |
| CN203823056U (en) * | 2013-12-26 | 2014-09-10 | 芜湖融汇化工有限公司 | Polyvinyl chloride (PVC) polymeric kettle manhole sealing ring |
| CN204939524U (en) * | 2015-07-10 | 2016-01-06 | 秦皇岛北方管业有限公司 | A kind of RH vacuum refining furnace tightness system |
| CN105318008A (en) * | 2014-07-09 | 2016-02-10 | 美国圣戈班性能塑料公司 | Polymer seal assembly |
| CN205047833U (en) * | 2015-10-21 | 2016-02-24 | 湖南威铭能源科技有限公司 | Waterproof seal structure |
-
2017
- 2017-02-27 CN CN201710108059.6A patent/CN106838327A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2233486Y (en) * | 1995-06-09 | 1996-08-21 | 哈尔滨市石油公司 | Omnibearing adjustable container lead-out pipe sealing joint |
| US5979904A (en) * | 1997-12-12 | 1999-11-09 | Bal Seal Engineering Company, Inc. | Rotary reciprocating seals with exterior metal band |
| CN2695724Y (en) * | 2004-05-17 | 2005-04-27 | 张树才 | Ring-shape sealing device |
| CN103867718A (en) * | 2012-12-07 | 2014-06-18 | 宁波市鄞州通用电器二厂 | Ball-swelling type high-pressure end cap |
| CN203823056U (en) * | 2013-12-26 | 2014-09-10 | 芜湖融汇化工有限公司 | Polyvinyl chloride (PVC) polymeric kettle manhole sealing ring |
| CN105318008A (en) * | 2014-07-09 | 2016-02-10 | 美国圣戈班性能塑料公司 | Polymer seal assembly |
| CN204939524U (en) * | 2015-07-10 | 2016-01-06 | 秦皇岛北方管业有限公司 | A kind of RH vacuum refining furnace tightness system |
| CN205047833U (en) * | 2015-10-21 | 2016-02-24 | 湖南威铭能源科技有限公司 | Waterproof seal structure |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20170613 |