CN203754740U - Lengthened oxygen interface device for burning oxygen in front of blast furnace - Google Patents

Abstract

The utility model discloses a lengthened oxygen interface device for burning oxygen in front of a blast furnace. The lengthened oxygen interface device comprises a hose union, a binding iron wire, a lock bolt and a lock nut, and is characterized in that size of a long outer sleeve added is matched with an oxygen lance; a radial threaded hole is formed on the left section of the long outer sleeve; the lock bolt is screwed in the radial threaded hole; an inner annular disc is fixed on the inner circle at the right end of the long outer sleeve in a sleeved mode; the outer circle of a tubular section on the left side of the hose union is sleeved and fixed in an inner annular disc central hole; an outer annular disc is fixed on an outer circle in the middle of the long outer sleeve; an outer screw thread is arranged on a right ladder shaft body of a ladder shaft sleeve fixed at the right end of the long outer sleeve in a sleeved mode; an inner screw thread on the left section of inner circle of a shaft sleeve shaped protective pipe sleeve added is screwed and fixed on a ladder shaft sleeve outer screw thread of the long outer sleeve; and a tubular support pipe is fixed on a bushing annular disc central hole fixed on the outer circle of a right port of the protective pipe sleeve. The protective pipe sleeve provides a position for the hand of an operator to grasp; and the annular disc serves as a shielding panel to stop thermal radiation.

Description

Before a kind of blast furnace, burn oxygen extended type oxygen interface arrangement

Technical field

The utility model relates to air transporting arrangement, particularly before State of Blast Furnace, other positions of body of heater burn oxygen extended type oxygen interface arrangement before need to burning a kind of blast furnace that oxygen uses.

Background technology

Before State of Blast Furnace, tap a blast furnace generally to keep tapping a blast furnace continuously and stability, as it is too hard to meet iron port gun mud, when iron perforater drilling rod cannot bore out, blast-furnace man just must take out oxygen lance for subsequent use, the soft air pipe being connected with source of the gas by valve is implemented the two docking assembling with interface arrangement, interface arrangement is flexible pipe union, binding iron wire, by the moving flexible pipe union pipe section oxygen lance one end inner circle of being inserted in tubular body arranged inside that coordinates, then paste connecting hose pipe end cylindrical by twisting top under the locking double-screw bolt in the radial screw bore of one of this end of oxygen lance, be attached to reinforcing locking on oxygen lance cylindrical wall by twisting top under the set nut of former fit on locking double-screw bolt again, then the soft air pipe inner circle wringing fit being connected with source of the gas by valve is socketed in to the step cone shell of column of flexible pipe union, be bundled on soft air pipe cylindrical with iron wire again, composition oxygen blowing device.After driving valve, light a fire at oxygen lance front port, the mud drum that iron mouth is not drilled through burns oxygen, until burn logical iron mouth pore passage and tap a blast furnace; As with stainless oxygen melting bar rifle, cost is higher.

There is following defect in this simple and easy oxygen blowing device: between soft air pipe and flexible pipe union, has a small amount of gas leakage.Secondly, manually need two-handed hand-held in oxygen lance end, the oxygen blast of flexible pipe union place ability, toast comparatively serious near blast furnace hot gas to human body, particularly both hands.

Summary of the invention

The purpose of this utility model is to overcome above-mentioned defect, provides a kind of blast furnace the front oxygen extended type oxygen interface arrangement that burns.

The utility model scheme is: comprise flexible pipe union, binding iron wire and securing bolt, set nut, it is characterized in that: set up a long coat pipe, long coat pipe inner circle and oxygen lance are coordinating size, left section of long coat pipe is provided with a radial screw bore, securing bolt screws up in radial screw bore, in long coat pipe right output port inner circle, fit is fixed an interior circle ring disk, the pipe section cylindrical fit on the left side of flexible pipe union is fixed in described interior circle ring disk medium pore, an outer toroid dish medium pore fit is fixed on the cylindrical of long coat pipe middle part, long coat pipe right part fit is fixed a step axle sleeve, on the right step axis body of step axle sleeve, be provided with outside screw, set up the protection pipe box of a sleeve-like, the internal thread that protection pipe box inner circle is left section screws up on the outside screw of the step axle sleeve being fixed on long coat pipe, protection pipe box right output port inner circle is fixed one and is applied mechanically circle ring disk, apply mechanically fit on circle ring disk medium pore and fix the trustship of a tubular body arranged inside, trustship internal diameter is greater than soft air pipe external diameter.

The utility model has the advantage of:

1, set up protection pipe box, its Main Function, except ensureing that soft air pipe and flexible pipe union are not damaged, can also be protected operative employee's hand to put position at protective tube and can grab, and stops originally to catch the phenomenon that may be scalded by oxygen tempering on oxygen blast body.

2, set up an outer toroid dish as protective shield at long coat, stopped thermal radiation, prevent from burning spark that oxygen place spills and iron handgrip before operative employee.

brief description of the drawings:

Accompanying drawing is the utility model structural representation.

embodiment:

The utility model structure comprises flexible pipe union 6, binding iron wire and securing bolt, set nut, it is characterized in that: set up a long coat pipe 1, long coat pipe 1 inner circle and oxygen lance are coordinating size, left section of long coat pipe 1 is provided with a radial screw bore, securing bolt screws up in radial screw bore, in long coat pipe 1 right output port inner circle, fit is fixed an interior circle ring disk 5, the pipe section cylindrical fit on the left side of flexible pipe union 6 is fixed in described interior circle ring disk 5 medium pores, outer toroid dish 2 medium pore fits are fixed on long coat pipe 1 middle part cylindrical, long coat pipe 1 right part fit is fixed a step axle sleeve 3, on the right step axis body of step axle sleeve 3, be provided with outside screw, set up the protection pipe box 4 of a sleeve-like, the internal thread that protection pipe box 4 inner circles are left section screws up on the outside screw of the step axle sleeve 3 being fixed on long coat pipe 1, protection pipe box 4 right output port inner circles are fixed one and are applied mechanically circle ring disk 7, apply mechanically fit on circle ring disk 7 medium pores and fix the trustship 8 of a tubular body arranged inside, trustship 8 internal diameters are greater than soft air pipe external diameter.

First protection pipe box 4 is outwarded winding, from trustship 8, be inserted in soft air pipe, trustship 8 effect is to lift soft air pipe front end rigion, and to make soft air pipe and flexible pipe union 6 interfaces be difficult for bending not damaged, the step cone shell of column that stretches into the soft air pipe termination of trustship 8 and flexible pipe union 6 the right of this device is socketed and uses binding iron wire tighten (at least tying up twice), then will protect pipe box 4 to move forward and screw in the 1 right-hand member step axle sleeve 3 outside screw lockings of long coat pipe; Separately oxygen lance one end for subsequent use scene is inserted to the left section of inner circle (till will being inserted into tightly, to ensure not leak oxygen) of this device long coat pipe 1, then lock screw is screwed, under set nut, twist top and be attached to reinforcing locking on oxygen lance cylindrical wall; The operation of can lighting a fire of oxygen lance front end.

On outer tube 1 back segment after the hand-held circle ring disk outside 2 of operative employee, trustship 8 cylindricals, all can.

Claims (1)

1. before a blast furnace, burn oxygen extended type oxygen interface arrangement, comprise flexible pipe union (6), binding iron wire and securing bolt, set nut, it is characterized in that: set up a long coat pipe (1), long coat pipe (1) inner circle and oxygen lance are coordinating size, left section of long coat pipe (1) is provided with a radial screw bore, securing bolt screws up in radial screw bore, in long coat pipe (1) right output port inner circle, fit is fixed an interior circle ring disk (5), the pipe section cylindrical fit on the left side of flexible pipe union (6) is fixed in described interior circle ring disk (5) medium pore, an outer toroid dish (2) medium pore fit is fixed on the cylindrical of long coat pipe (1) middle part, long coat pipe (1) right part fit is fixed a step axle sleeve (3), on the right step axis body of step axle sleeve (3), be provided with outside screw, set up the protection pipe box (4) of a sleeve-like, the internal thread that protection pipe box (4) inner circle is left section screws up on the outside screw of the step axle sleeve (3) being fixed on long coat pipe (1), protection pipe box (4) right output port inner circle is fixed one and is applied mechanically circle ring disk (7), apply mechanically fit on circle ring disk (7) medium pore and fix the trustship (8) of a tubular body arranged inside, trustship (8) internal diameter is greater than soft air pipe external diameter.