CN209840732U - Oxygen lance sealing sleeve - Google Patents

Oxygen lance sealing sleeve Download PDF

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Publication number
CN209840732U
CN209840732U CN201920489583.7U CN201920489583U CN209840732U CN 209840732 U CN209840732 U CN 209840732U CN 201920489583 U CN201920489583 U CN 201920489583U CN 209840732 U CN209840732 U CN 209840732U
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CN
China
Prior art keywords
oxygen lance
sealing
sealing cloth
clamp
backup pad
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.)
Active
Application number
CN201920489583.7U
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Chinese (zh)
Inventor
何强
廖辽
汪振东
毕传喜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hubei Liaoxin New Mstar Technology Ltd
Original Assignee
Hubei Liaoxin New Mstar Technology Ltd
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Publication date
Application filed by Hubei Liaoxin New Mstar Technology Ltd filed Critical Hubei Liaoxin New Mstar Technology Ltd
Priority to CN201920489583.7U priority Critical patent/CN209840732U/en
Application granted granted Critical
Publication of CN209840732U publication Critical patent/CN209840732U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides an oxygen lance sealing sleeve, install the tubulose sealing cloth of ripple for sealing protection to the oxygen lance between upper support plate and the lower backup pad, install the clamp for fixing the sealing sleeve on the oxygen lance on the upper support plate, the clamp passes upper support plate fixed mounting through the cooperation of screw rod and nut, the through-hole that makes things convenient for the oxygen lance to pass is seted up at the center of upper support plate and lower backup pad, and the oxygen lance passes the through-hole, and clamp chucking oxygen lance lateral wall, and top-blown furnace roof portion supports the lower backup pad when the oxygen lance moves down, and sealing cloth shrink realizes the sealing protection to the oxygen lance, the utility model discloses simple structure, simple to operate, through clamp and tubulose sealing cloth, realize that the furnace roof of top-blown converter supports the lower backup pad in the process that the oxygen lance moves down, the sealing cloth shrink, the high-temperature gas of the lance mouth blowout of oxygen lance and the slag, the field production working environment can not be influenced, and potential safety hazards can not be caused.

Description

Oxygen lance sealing sleeve
Technical Field
The utility model relates to the technical field of metallurgy, concretely relates to top-blown furnace's oxygen rifle seal cover.
Background
The top-blown furnace workshop adopts an oxygen-enriched molten pool smelting process to treat various copper-nickel sulfide bulk concentrates, the maximum treatment capacity of the system design is 147.5t/h, the flue gas amount generated in the smelting process is about 12 ten thousand meters 3/h, the concentration of the flue gas SO2 is 16%, and the flue gas temperature is less than or equal to 1350 ℃. The flue gas generated in the smelting process is cooled by a waste heat boiler and purified by an electric dust collector to prepare acid. The oxygen-enriched immersed molten pool smelting technology is a core process of a workshop, and a smelting spray gun of a top-blown furnace is core equipment. In the production process, a spray gun is inserted into a molten pool in the furnace through a spray gun hole on the top of the furnace through a lifting control system to provide fuel, and various process air participates in the smelting process.
During smelting, a large amount of high-temperature SO2 smoke can be sprayed out of a spray gun port and is mixed with naked flame and slag, the field production working environment is seriously influenced, and the safety hazard is also created.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's not enough, provide an oxygen rifle seal cover, can prevent high temperature SO2 flue gas and be mingled with the slag blowout of naked light, effectively improve operational environment.
The technical scheme of the utility model:
the utility model provides an oxygen rifle seal cover, includes backup pad and bottom suspension fagging, go up and install the tubulose sealed cloth of ripple that is used for sealing the protection to the oxygen rifle between backup pad and the bottom suspension fagging, upward install on the backup pad and be used for fixing the clamp on the oxygen rifle with the seal cover, backup pad fixed mounting will be gone up in the cooperation that the clamp passes through screw rod and nut, go up the through-hole that makes things convenient for the oxygen rifle to pass at the center of backup pad and bottom suspension fagging, the oxygen rifle passes the through-hole, and clamp chucking oxygen rifle lateral wall, top-blown furnace roof portion supports the bottom suspension fagging when the.
The clamp comprises a circular body and fixing lug plates at two ends of the circular body, and the screw penetrates through a screw hole formed in the fixing lug plate and is connected with a nut to complete clamping of the clamp on the oxygen lance.
The upper end of the sealing cloth is fixedly arranged on the lower side of the upper supporting plate through screws, and the lower end of the sealing cloth is fixedly arranged on the upper side of the lower supporting plate through screws.
The sealing cloth is of a corrugated tube structure, and the included angle between two adjacent folding pieces of the sealing cloth of the corrugated tube structure is 30-60 degrees.
The sealing cloth comprises inner layer sealing cloth, a center framework and outer layer sealing cloth, and the center framework is arranged between the inner layer sealing cloth and the outer layer sealing cloth and used for realizing that the sealing cloth forms a telescopic corrugated pipe shape.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses simple structure, simple to operate through clamp and the sealed cloth of bellows form, realizes that the furnace roof of the in-process top blowing stove that moves down at the oxygen rifle supports the bottom suspension fagging, and sealed cloth shrink, the gunjet mouth spun high-temperature gas of oxygen rifle and the slag that is mingled with naked light are blockked by the seal cover, can not influence the on-the-spot production operational environment, just can not cause the potential safety hazard yet.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the present invention in the direction A;
FIG. 3 is a schematic view of the structure of the utility model in the direction B;
fig. 4 is a schematic structural view of the sealing cloth of the present invention.
In the figure: 1, clamping a hoop; 2-an upper support plate; 3-a screw; 4-sealing cloth; 5-a lower support plate; 6-through holes; 7-fixing ear plates; 8-a nut; 9-a screw; 40-inner layer sealing cloth; 41-central skeleton; 42-outer layer sealing cloth.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution:
referring to fig. 1-3, an oxygen lance sealing sleeve comprises an upper supporting plate 2 and a lower supporting plate 5, a corrugated pipe-shaped sealing cloth 4 used for sealing and protecting an oxygen lance is installed between the upper supporting plate 2 and the lower supporting plate 5, a clamp 1 used for fixing the sealing sleeve on the oxygen lance is installed on the upper supporting plate 2, the clamp 1 is fixedly installed on the upper supporting plate 2 through the matching of a screw rod 3 and a nut 8, a through hole 6 convenient for the oxygen lance to pass through is formed in the centers of the upper supporting plate 2 and the lower supporting plate 5, the oxygen lance passes through the through hole 6, the clamp 1 tightly clamps the outer side wall of the oxygen lance, the top of a top-blown furnace supports the lower supporting plate when the oxygen lance moves downwards, and the sealing cloth. The clamp 1 comprises a circular body and fixing ear plates 7 at two ends of the circular body, and the screw rod 3 penetrates through a screw hole formed in the fixing ear plates 7 and is connected with a nut 8 to complete the clamping oxygen lance of the clamp 1. The upper end of the sealing cloth 4 is fixedly arranged at the lower side of the upper supporting plate 2 through a screw 9, and the lower end of the sealing cloth 4 is fixedly arranged at the upper side of the lower supporting plate 5 through a screw 9.
Referring to fig. 1, the sealing cloth 4 is in a corrugated tube structure, and an included angle between two adjacent folding pieces of the sealing cloth 4 in the corrugated tube structure is 30 to 60 degrees.
Referring to fig. 4, the sealing cloth 4 includes an inner sealing cloth 40, a central frame 41 and an outer sealing cloth 42, wherein the central frame 41 is disposed between the inner sealing cloth 40 and the outer sealing cloth 42 to form the sealing cloth into a bellows shape.
When the oxygen lance is installed, the nut is firstly screwed to separate the screw and the nut, the upper supporting plate and the lower supporting plate of the sealing sleeve are sleeved on a pipeline of the oxygen lance from a lance opening of the oxygen lance, the clamp tightly holds the outer side wall of the oxygen lance, after the upper supporting plate and the lower supporting plate are installed, the clamp is fixed on the outer side wall of the oxygen lance through the screw and the nut, at the moment, the upper end of the sealing sleeve is fixed, the lower end of the sealing sleeve is movably sleeved on the pipeline of the oxygen lance, when the oxygen lance works, the lower supporting plate is propped against the top of a top blowing furnace along with the downward movement of the oxygen lance, at the moment, the sealing cloth can be stressed and contracted, high-temperature sulfur dioxide gas and slag sprayed out from the lance opening of the oxygen lance are blocked by the sealing sleeve and cannot be emitted into a working place, when the oxygen lance moves upwards, the sealing cloth can be stretched, can realize the sealing of the oxygen lance.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides an oxygen rifle seal cover, includes backup pad (2) and bottom suspension fagging (5), its characterized in that: go up and install between backup pad (2) and bottom suspension fagging (5) and be used for carrying out the tubulose sealed cloth (4) of ripple that seals the protection to the oxygen rifle, go up and install on backup pad (2) and be used for fixing clamp (1) on the oxygen rifle with the seal cover, backup pad (2) fixed mounting will be gone up in cooperation that clamp (1) were passed through screw rod (3) and nut (8), go up the center of backup pad (2) and bottom suspension fagging (5) and offer through-hole (6) that make things convenient for the oxygen rifle to pass, the oxygen rifle passes through-hole (6), clamp (1) chucking oxygen rifle lateral wall, top-blown furnace roof portion supports the bottom suspension fagging when the oxygen rifle moves down, sealed protection to the oxygen rifle.
2. The oxygen lance sealing sleeve according to claim 1, characterized in that: the clamp (1) comprises a circular body and fixing lug plates (7) at two ends of the circular body, and the screw (3) penetrates through a screw hole formed in the fixing lug plates (7) and is connected with a nut (8) to complete the clamping oxygen lance of the clamp (1).
3. The oxygen lance sealing sleeve according to claim 1, characterized in that: the upper end of the sealing cloth (4) is fixedly arranged at the lower side of the upper supporting plate (2) through a screw (9), and the lower end of the sealing cloth (4) is fixedly arranged at the upper side of the lower supporting plate (5) through a screw (9).
4. The oxygen lance sealing sleeve according to claim 1, characterized in that: the sealing cloth (4) is of a corrugated tubular structure, and the included angle between two adjacent folding pieces of the sealing cloth (4) of the corrugated tubular structure is 30-60 degrees.
5. The oxygen lance sealing sleeve according to claim 1, characterized in that: the sealing cloth (4) comprises inner layer sealing cloth (40), a center framework (41) and outer layer sealing cloth (42), wherein the center framework (41) is arranged between the inner layer sealing cloth (40) and the outer layer sealing cloth (42) and used for realizing that the sealing cloth forms a telescopic corrugated pipe shape.
CN201920489583.7U 2019-04-11 2019-04-11 Oxygen lance sealing sleeve Active CN209840732U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920489583.7U CN209840732U (en) 2019-04-11 2019-04-11 Oxygen lance sealing sleeve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920489583.7U CN209840732U (en) 2019-04-11 2019-04-11 Oxygen lance sealing sleeve

Publications (1)

Publication Number Publication Date
CN209840732U true CN209840732U (en) 2019-12-24

Family

ID=68911223

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920489583.7U Active CN209840732U (en) 2019-04-11 2019-04-11 Oxygen lance sealing sleeve

Country Status (1)

Country Link
CN (1) CN209840732U (en)

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