CN207468664U - A kind of dissection type oxygen rifle nitrogen seal device - Google Patents
A kind of dissection type oxygen rifle nitrogen seal device Download PDFInfo
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- CN207468664U CN207468664U CN201721257185.XU CN201721257185U CN207468664U CN 207468664 U CN207468664 U CN 207468664U CN 201721257185 U CN201721257185 U CN 201721257185U CN 207468664 U CN207468664 U CN 207468664U
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- nitrogen
- oxygen rifle
- blocking
- seal device
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Abstract
The utility model provides a kind of dissection type oxygen rifle nitrogen seal device, seals seat and nitrogen blocking including nitrogen, nitrogen envelope seat lower part is connected to flue oxygen rifle and enters at muzzle, and nitrogen blocking is set on the outside of oxygen rifle, and sealing ring is equipped between nitrogen blocking and oxygen rifle；There is inner sealing surface on the inside of nitrogen envelope seat, inner sealing surface is equipped with several trepannings, nitrogen blocking includes two semi-circular cock bodys being detachably connected, there is external seal face on the outside of nitrogen blocking, external seal face is equipped with several through-holes communicated with nitrogen envelope seat, and the medial surface of nitrogen blocking is equipped with several conduction holes being connected with sealing ring.The nitrogen seal device is by changing the shape of nitrogen blocking, utilize the pressure and flow of sealing gas, inhibit the coal gas flue dust flame emerged from flue oxygen rifle mouth, reach the sealing effect of environmental protection, ensure that the environment of converter smelting, improve coal-gas recovering rate, simultaneously by the design of nitrogen blocking dissection type, oxygen rifle repair is facilitated to replace, improves working efficiency, extend service life of equipment, reduce production cost.
Description
Technical field
The utility model belongs to pneumatic steelmaking oxygen rifle technical field of sealing technology, and in particular to a kind of dissection type oxygen rifle nitrogen encapsulation
It puts.
Background technology
Oxygen lance for steel-making converter mouth nitrogen seal device is the fire sealer of converter oxygen gun mouth, and flue dust can be effectively prevent excessive, is ensured
Oxygen rifle normally carries rifle under rifle.Existing oxygen rifle nitrogen seal device is broadly divided into two large divisions：Taper nitrogen blocking and annular nitrogen seal seat；Nitrogen
Seat seat is sealed under flue muzzle above, during converter smelting, when oxygen rifle is dropped in stove, nitrogen blocking is dropped to oxygen rifle to be bumped into nitrogen and seal
In seat, seal is formed, floss hole is sealed, plays the effect for effectivelying prevent flue dust excessive；When oxygen rifle lifts out of stove, oxygen rifle mouth
Nitrogen blocking is located at gun body straight section, lifts with rifle.
Converter oxygen gun is smelted mostly using straight rifle, with the development of oxygen rifle technology, to solve oxygen rifle outer tube dry slag and replacement
Frequency issues are mostly smelted now using cone rifle, i.e., above between oxygen lance nozzle and straight section there are one cone sections.However, cone rifle is smelted
In technique, when cone rifle is replaced, the taper nitrogen seal device on oxygen rifle straight section crushing can only be removed, and is made troubles to rifle is changed, is also made
Into the waste of equipment.
Utility model content
The purpose of the utility model is to overcome existing conventional nitrogen seal device cooperation cone rifle use change during rifle existing on
Shortcoming is stated, the utility model provides a kind of dissection type oxygen rifle nitrogen seal device, can meet the coal for inhibiting to emerge during steel-making from flue
Gas, and the requirement that cone rifle rapid-maintenance is replaced can be met, improve service life of equipment and production efficiency.
There is provided a kind of dissection type oxygen rifle nitrogen seal devices for the technical solution of the utility model, and seat and nitrogen envelope are sealed including nitrogen
Plug, the nitrogen envelope seat lower part are fixedly connected on flue oxygen rifle and enter at muzzle, and the nitrogen blocking is set on the outside of oxygen rifle, the nitrogen envelope
Sealing ring is equipped between plug and oxygen rifle；There is inner sealing surface, the inner sealing surface of the nitrogen envelope seat is equipped on the inside of the nitrogen envelope seat
Several trepannings, the trepanning are connected with external Nitrogen source gases, and the nitrogen blocking includes two semi-circular cock bodys, two plugs
Body is detachably connected by connector, has the matched external seal face of inner sealing surface with nitrogen envelope seat on the outside of the nitrogen blocking,
The external seal face of the nitrogen blocking is equipped with several through-holes communicated with nitrogen envelope seat, if the medial surface of the nitrogen blocking is equipped with
The dry conduction hole being connected with sealing ring.
Further, the nitrogen envelope seat is back taper mesa-shaped, and the nitrogen blocking is annular back taper mesa-shaped, and the nitrogen seals the interior of seat
Sealing surface is identical with the taper in the external seal face of nitrogen blocking.
Further, the nitrogen blocking is located on the straight section of oxygen rifle.
Further, several partition panels, adjacent two partition panels have been provided at circumferentially spaced along it in the nitrogen blocking
Between space form exclusion region, be distributed with through-hole and conduction hole in each exclusion region.
Further, the trepanning has 60, and the through-hole has 16, and the exclusion region has 16, the through-hole and every
Disconnected area is arranged in a one-to-one correspondence, and the conduction hole has 48, and the sealing ring is nine layers of labyrinth seal ring.
Further, the connector is screw bolt and nut.
Further, the through-hole of the nitrogen blocking is along the inside of nitrogen blocking to being sloped downwardly setting outside.
Further, block is convexly equipped on the oxygen rifle lateral wall, the outer diameter of the block is more than the outer of the nitrogen blocking
Diameter.
Compared with prior art, the beneficial effects of the utility model：
(1) this dissection type oxygen rifle nitrogen seal device provided by the utility model is by guiding nitrogen to flow to and control nitrogen
Pressure flow so that coal gas, flue dust, the flame emerged during smelting from oxygen rifle mouth are pushed back in flue, ensure that metallurgical effect, prevention
Gas poisoning, and ensure coal-gas recovering rate, improve and smelt sight, protect smelting equipment so that service life of equipment and production
Efficiency improves.
(2) the nitrogen blocking of this dissection type oxygen rifle nitrogen seal device provided by the utility model can by two semiorbicular cock bodys
Dismantling connection, quick detachable and assembling facilitate oxygen rifle to replace and repair, reduce maintenance of equipment replacing construction, improve working efficiency, have
The conventional nitrogen blocking destructiveness of avoiding of effect is removed, and reduces equipment cost, have it is simple in structure, easily fabricated, it is reliable
The advantages of property height and good using effect.
The utility model is described in further details below with reference to attached drawing.
Description of the drawings
Fig. 1 is front view of the utility model dissection type oxygen rifle nitrogen seal device on flue；
Fig. 2 is the enlarged diagram in I portions in Fig. 1；
Fig. 3 is the vertical view of nitrogen blocking in the utility model dissection type oxygen rifle nitrogen seal device.
Reference sign：1st, flue；2nd, oxygen rifle；3rd, nitrogen envelope seat；4th, nitrogen blocking；5th, sealing ring；6th, connector；7th, it keeps off
Block；8th, through-hole；9th, partition panel；10th, trepanning；11st, conduction hole.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
The all other embodiment obtained, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be appreciated that term " " center ", " on ", " under ", "front", "rear",
The orientation or position relationship of the instructions such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on attached drawing institutes
The orientation or position relationship shown is for only for ease of description the utility model and simplifies description rather than instruction or imply signified
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that this practicality
Novel limitation；In the description of the present invention, unless otherwise indicated, " multiple ", " several " are meant that two or two
More than.
As shown in Figure 1, Figure 2 and Figure 3, a kind of dissection type oxygen rifle nitrogen seal device is present embodiments provided, 3 He of seat is sealed including nitrogen
Nitrogen blocking 4,3 lower part of nitrogen envelope seat are fixedly connected on 1 oxygen rifle of flue and enter at muzzle, and the nitrogen blocking 4 is set in outside oxygen rifle 2
Side is equipped with sealing ring 5 between the nitrogen blocking 4 and oxygen rifle 2；3 inside of nitrogen envelope seat has inner sealing surface, and the nitrogen seals seat 3
Inner sealing surface be equipped with several trepannings 10, which is connected with external Nitrogen source gases, and the nitrogen blocking 4 is including two
Semi-circular cock body, two cock bodys are detachably connected by connector 6, and 4 outside of nitrogen blocking, which has, to be sealed with nitrogen in seat 3
The matched external seal face of sealing surface, the external seal face of the nitrogen blocking 4 are equipped with several through-holes 8 communicated with nitrogen envelope seat 3,
The medial surface of the nitrogen blocking 4 is equipped with several conduction holes 11 being connected with sealing ring 5.When under oxygen rifle 2 in the present embodiment
When being down to smelting in converter, nitrogen blocking 4 drops to 3 position of nitrogen envelope seat, and the external seal face of nitrogen blocking 4 and nitrogen seal the interior close of seat 3
Cover is combined closely, and is oriented to the nitrogen of coming from the trepanning 10 of nitrogen envelope seat 3, is entered nitrogen blocking by 4 corresponding through-hole 8 of nitrogen blocking
It in 4, then is introduced nitrogen gas into sealing ring 5 by the conduction hole 11 of the inside of nitrogen blocking 4, nitrogen subregion in sealing ring 5, and along
5 subregion of sealing ring overflows, and sealing is formed between oxygen rifle 2 and nitrogen blocking 4 so that oxygen rifle 2, nitrogen blocking 4 and nitrogen envelope seat 3 form one
A whole seal inhibits the effect that coal gas is excessive in flue so as to play, will be in coal gas, flue dust, flame Asia brightness to flue.
And when oxygen rifle 2 needs replacing repair, remove the connector 6 of two semi-circular cock bodys of connection, you can nitrogen blocking 4 is split into two
A part, so as to directly replace oxygen rifle 2, after the completion of replacement, then in oxygen rifle 2 by connector 6 by two semiorbicular plugs
Body connects into nitrogen blocking 4, is set in oxygen rifle 2, convenient so as to reach 2 repair and replacement of oxygen rifle, improves working efficiency, increases equipment
The purpose in service life effectively avoids conventional nitrogen blocking destructiveness and removes, reduces equipment cost.
The embodiment of refinement, nitrogen envelope seat 3 are back taper mesa-shaped, and the nitrogen blocking 4 is annular back taper mesa-shaped, the nitrogen
The inner sealing surface for sealing seat 3 is identical with the taper in the external seal face of nitrogen blocking 4, effectively ensures close between nitrogen envelope seat 3 and nitrogen blocking 4
Feng Xing.Specifically, the nitrogen blocking 4 is located on the straight section of oxygen rifle 2, nitrogen blocking 4 connects nitrogen blocking 4 by six groups of connectors 6
Two semi-circular cock bodys, a kind of mode of the connector 6 is screw bolt and nut, can by two semi-circular cock body progress by bolt
Dismantling connection, disassembly and assembly are convenient.
A kind of embodiment of optimization, the nitrogen blocking 4 is interior to be provided at circumferentially spaced several partition panels 9 along it, adjacent
Two partition panels 9 between space form exclusion region, through-hole 8 and conduction hole 11, nitrogen envelope are distributed in each exclusion region
Plug 4 is divided into multiple exclusion regions by partition panel 9, and nitrogen is introduced to exclusion region by through-hole 8, then by conduction hole 11 by different partitions
The nitrogen in area is introduced into sealing ring 5, and the sealing ring 5 is nine layers of labyrinth seal ring, and nine layers of the nitrogen that conduction hole 11 introduces is confused
Subregion is carried out in the sealing ring of palace, the setting of partition panel 9 can effectively control the pressure and flow of the nitrogen of nitrogen blocking 4, reach environmental protection
Sealing effect.Specifically, trepanning 10 there are 60 on the nitrogen envelope seat 3, set along a 3 circumferential circle of nitrogen envelope seat, the nitrogen blocking 4
Through-hole 8 have 16, the exclusion region in nitrogen blocking 4 has 16, and through-hole 8 and exclusion region are arranged in a one-to-one correspondence, on the nitrogen blocking 4
Conduction hole 11 has 48, encloses and sets along 4 internal circumferential one of nitrogen blocking.
In addition, as shown in Fig. 2, the through-hole 8 of the nitrogen blocking 4 along the inside of nitrogen blocking 4 to being sloped downwardly setting outside,
When nitrogen blocking 4 is promoted with oxygen rifle 2, the slag dust fallen in the through-hole face of nitrogen blocking 4 can be slid down along inclined-plane without staying in
In through-hole 8, be conducive to the sealing between nitrogen blocking 4 and nitrogen envelope seat 3.
And for the ease of the maintenance and maintenance to nitrogen blocking 4 and sealing ring 5, block is convexly equipped on 2 lateral wall of oxygen rifle
7, the outer diameter of the block 7 is more than the outer diameter of the nitrogen blocking 4, the nitrogen blocking 4 and sealing during oxygen rifle 2 is promoted
Ring 5 can be promoted with oxygen rifle 2.
In conclusion this dissection type oxygen rifle nitrogen seal device provided by the utility model is by changing the shape of nitrogen blocking,
Using the pressure and flow of sealing gas, inhibit the coal gas flue dust flame emerged from flue oxygen rifle mouth, reach the sealing effect of environmental protection
Fruit ensure that the environment of converter smelting, improve coal-gas recovering rate, while by the design of nitrogen blocking dissection type, oxygen rifle is facilitated to tie up
Replacement is repaiied, improves working efficiency, extends service life of equipment, reduces production cost.
Exemplified as above is only for example, not forming to the scope of protection of the utility model to the utility model
Limitation, within every design the same or similar with the utility model all belongs to the scope of protection of the present invention.
Claims (8)
1. a kind of dissection type oxygen rifle nitrogen seal device, including nitrogen envelope seat (3) and nitrogen blocking (4), it is characterised in that：The nitrogen seals seat
(3) lower part is fixedly connected on flue (1) oxygen rifle and enters at muzzle, and the nitrogen blocking (4) is set on the outside of oxygen rifle (2), the nitrogen envelope
It fills in and sealing ring (5) is equipped between (4) and oxygen rifle (2)；There is inner sealing surface on the inside of the nitrogen envelope seat (3), the nitrogen envelope seat (3)
Inner sealing surface is equipped with several trepannings (10), which is connected with external Nitrogen source gases, and the nitrogen blocking (4) includes
Two semi-circular cock bodys, two cock bodys are detachably connected by connector (6), and nitrogen blocking (4) outside has and nitrogen
The matched external seal face of inner sealing surface of seat (3) is sealed, the external seal face of the nitrogen blocking (4) is equipped with several and seals seat with nitrogen
(3) through-hole (8) communicated, the medial surface of the nitrogen blocking (4) are equipped with several conduction holes being connected with sealing ring (5)
(11)。
2. dissection type oxygen rifle nitrogen seal device as described in claim 1, it is characterised in that：The nitrogen envelope seat (3) is back taper mesa-shaped,
The nitrogen blocking (4) is annular back taper mesa-shaped, the inner sealing surface of the nitrogen envelope seat (3) and the cone in the external seal face of nitrogen blocking (4)
It spends identical.
3. dissection type oxygen rifle nitrogen seal device as described in claim 1, it is characterised in that：The nitrogen blocking (4) is positioned at oxygen rifle (2)
Straight section on.
4. dissection type oxygen rifle nitrogen seal device as described in claim 1, it is characterised in that：Along its circumferential direction in the nitrogen blocking (4)
Several partition panels (9) are arranged at intervals with, space forms exclusion region, each partition between adjacent two partition panels (9)
Through-hole (8) and conduction hole (11) are distributed in area.
5. dissection type oxygen rifle nitrogen seal device as claimed in claim 4, it is characterised in that：The trepanning (10) has 60, described
Through-hole (8) has 16, and the exclusion region has 16, and the through-hole (8) and exclusion region are arranged in a one-to-one correspondence, the conduction hole (11)
There are 48, the sealing ring (5) is nine layers of labyrinth seal ring.
6. dissection type oxygen rifle nitrogen seal device as described in claim 1, it is characterised in that：The connector (6) is bolt and spiral shell
It is female.
7. dissection type oxygen rifle nitrogen seal device as described in claim 1, it is characterised in that：Through-hole (8) edge of the nitrogen blocking (4)
The inside of nitrogen blocking (4) to being sloped downwardly setting outside.
8. dissection type oxygen rifle nitrogen seal device as described in claim 1, it is characterised in that：Projection on oxygen rifle (2) lateral wall
There is block (7), the outer diameter of the block (7) is more than the outer diameter of the nitrogen blocking (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721257185.XU CN207468664U (en) | 2017-09-28 | 2017-09-28 | A kind of dissection type oxygen rifle nitrogen seal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721257185.XU CN207468664U (en) | 2017-09-28 | 2017-09-28 | A kind of dissection type oxygen rifle nitrogen seal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207468664U true CN207468664U (en) | 2018-06-08 |
Family
ID=62266292
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721257185.XU Active CN207468664U (en) | 2017-09-28 | 2017-09-28 | A kind of dissection type oxygen rifle nitrogen seal device |
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| CN (1) | CN207468664U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114317878A (en) * | 2022-01-04 | 2022-04-12 | 重庆钢铁股份有限公司 | Novel converter oxygen lance nitrogen sealing device and method |
-
2017
- 2017-09-28 CN CN201721257185.XU patent/CN207468664U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114317878A (en) * | 2022-01-04 | 2022-04-12 | 重庆钢铁股份有限公司 | Novel converter oxygen lance nitrogen sealing device and method |
| CN114317878B (en) * | 2022-01-04 | 2022-11-25 | 重庆钢铁股份有限公司 | Converter oxygen lance nitrogen seal device |
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