CN214496369U - Converter bottom blowing oxygen enrichment smelting device - Google Patents

Abstract

The utility model discloses a converter bottom blowing oxygen enrichment smelting device, which comprises a furnace frame, trunnions, steel tapping holes, distributing pipes, distributing holes, side gas ports and oxygen blowing pipes. The utility model discloses oxygen boosting smelting device blows at bottom of converter, when the oxygen boosting need be blown in the furnace frame is inside, to connect the ann to insert and enter into the connector, sealed pad wraps up joint department, the bulge ring that connects simultaneously enters into in the seal groove, realize dual sealed effect, when oxygen is carried, avoid oxygen to escape to the outside, oxygen is through entering into the distributing pipe to the kneck, enter into the furnace frame by the distribution of the distribution mouth on the distributing pipe, when the inside of furnace frame needs the cooling, carry coolant through the cooling tube to the inside of furnace frame, help the inside of furnace frame to cool down, the device can effectual reduction unnecessary loss when blowing at bottom oxygen, keep the saving of resource, be favorable to permanent development.

Description

Converter bottom blowing oxygen enrichment smelting device

Technical Field

The utility model relates to the technical field of converters, in particular to a converter bottom blowing oxygen enrichment smelting device.

Background

The converter is one of steel-making furnaces, generally refers to a tiltable cylindrical oxygen-blown steel-making vessel, and the furnace body is cylindrical, is mounted on a horizontal shaft bracket, can rotate and is also used for steel making.

The converter steelmaking uses molten iron, scrap steel and ferroalloy as main raw materials, does not need external energy, and completes the steelmaking process in the converter by means of heat generated by physical heat of molten iron and chemical reaction among molten iron components. The converter is divided into acid and alkaline according to refractory materials, and top blowing, bottom blowing and side blowing are carried out according to the positions of gas blown into the converter; according to the gas types, the converter comprises an air separation converter and an oxygen converter. The basic oxygen top-blown converter and the top-bottom combined blown converter are the most commonly used steelmaking equipment due to high production speed, high yield, high single-furnace yield, low cost and low investment. The converter is mainly used for producing carbon steel, alloy steel and smelting copper and nickel.

In the use process of the existing converter, the situation of serious gas leakage can be caused due to the fact that the connection part is not tight enough when oxygen is blown from the bottom, and the situation can be caused due to long-term need of a large amount of oxygen enrichment delivery when the converter is operated, so that the converter is not favorable for long-term development.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a converter bottom blowing oxygen boosting smelting device, unnecessary loss when bottom blowing oxygen can effectual reduction keeps the saving of resource, is favorable to permanent development, can solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a converter bottom blowing oxygen boosting smelting device, includes furnace frame, gudgeon, tap hole, distributing pipe, distribution mouth, side gas port and oxygen lance, the both sides of furnace frame all are equipped with the gudgeon, the tap hole has been seted up to the inside of furnace frame, the bottom of furnace frame is equipped with the distributing pipe, the top of distributing pipe is equipped with the distribution mouth, one side of distributing pipe is equipped with the side gas port, the bottom fixedly connected with oxygen lance of distributing pipe.

Preferably, the trunnion includes the linking frame, embeds the pad, ann slot and spacing groove, the inside of linking frame is equipped with embeds the pad, the outside of embedding the pad is equipped with ann slot, the spacing groove has been seted up to the inside of ann slot.

Preferably, the side gas port comprises a side pipe wall, a communicating hole and a sealing plug, the communicating hole is formed in the side pipe wall, the sealing plug is arranged on the outer side of the communicating hole, one end, far away from the sealing plug, of the communicating hole is connected with a distribution pipe, and the communicating hole is communicated with the distribution pipe.

Preferably, the oxygen lance includes connecting pipe, connector, sealed pad, seal groove, buffer tube, interface and cooling tube, the one end fixedly connected with connector of connecting pipe, the inside of connector is equipped with sealed the pad, fixed connection between sealed pad and the connector, the seal groove has been seted up to sealed inside of filling up, the one end fixedly connected with buffer tube of connector is kept away from to the connecting pipe, the one end that the connecting pipe was kept away from to the buffer tube has been seted up to the interface, one side to the interface is equipped with the cooling tube.

Preferably, the butt joint port is communicated with the cooling pipe, and the top end of the butt joint port is communicated with the interior of the distribution pipe.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a converter bottom blowing oxygen enrichment smelting device, insert rotary joint's plug and enter into the groove of inserting, make rotary joint when rotating, drive the splice frame and rotate, the splice frame drives the furnace frame when rotating and rotates, when needing to blow in the oxygen enrichment inside the furnace frame, insert the joint and enter into the connector, the sealed pad wraps up the joint, the protruding ring on the joint enters into the seal groove simultaneously, realize dual sealed effect, when oxygen is carried, avoid oxygen to escape to the outside, oxygen enters into the distributing pipe through to the kneck, distribute by the distribution mouth on the distributing pipe and enter into the furnace frame, when the inside of furnace frame needs cooling, carry coolant to the inside of furnace frame through the cooling tube, help the inside of furnace frame to cool down, the device can the effectual unnecessary loss that reduces when bottom blowing oxygen, keep the saving of resource, is beneficial to the long-term development.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

fig. 2 is a cross-sectional view of the trunnion of the present invention;

fig. 3 is a cross-sectional view taken at a in fig. 1 according to the present invention;

figure 4 is a cross-sectional view of the oxygen lance of the present invention.

In the figure: 1. a furnace frame; 2. a trunnion; 21. a connecting frame; 22. a built-in pad; 23. inserting a slot; 24. a limiting groove; 3. a steel tapping hole; 4. a distribution pipe; 5. a dispensing opening; 6. a side air port; 61. a side tube wall; 62. a communicating hole; 63. sealing the plug; 7. an oxygen lance; 71. a connecting pipe; 72. a connector; 73. a gasket; 74. a sealing groove; 75. a buffer tube; 76. a butt joint port; 77. and (7) cooling the tube.

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. 1-3, a converter bottom blowing oxygen enrichment smelting device comprises a furnace frame 1, trunnions 2, steel tapping holes 3, distribution pipes 4, distribution ports 5, side air ports 6 and oxygen blowing pipes 7, wherein both sides of the furnace frame 1 are provided with the trunnions 2, the steel tapping holes 3 are formed in the furnace frame 1, the distribution pipes 4 are arranged at the bottom of the furnace frame 1, the distribution ports 5 are formed at the top ends of the distribution pipes 4, one side of the distribution pipes 4 are provided with the side air ports 6, the bottom end of the distribution pipes 4 is fixedly connected with the oxygen blowing pipes 7, the trunnions 2 comprise a connecting frame 21, a built-in pad 22, a built-in slot 23 and a limiting slot 24, the connecting frame 21 is internally provided with the built-in pad 22, the inserting slot 23 is formed in the outer side of the built-in pad 22, a plug of a rotary joint is inserted into the built-in slot 23, so that the rotary joint drives the connecting frame 21 to rotate, the connecting frame 21 drives the furnace frame 1 to rotate when rotating, the side air port 6 comprises a side pipe wall 61, a communication hole 62 and a sealing plug 63, the communication hole 62 is formed in the side pipe wall 61, the sealing plug 63 is arranged outside the communication hole 62, one end, far away from the sealing plug 63, of the communication hole 62 is connected with the distribution pipe 4, and the communication hole 62 is communicated with the distribution pipe 4.

Referring to fig. 4, the oxygen blowing pipe 7 includes a connecting pipe 71, a connector 72, a sealing gasket 73, a sealing groove 74, a buffer pipe 75, a butt joint port 76 and a cooling pipe 77, one end of the connecting pipe 71 is fixedly connected with the connector 72, the interior of the connector 72 is provided with the sealing gasket 73, the sealing gasket 73 is fixedly connected with the connector 72, the interior of the sealing gasket 73 is provided with the sealing groove 74, one end of the connecting pipe 71 away from the connector 72 is fixedly connected with the buffer pipe 75, one end of the buffer pipe 75 away from the connecting pipe 71 is provided with the butt joint port 76, one side of the butt joint port 76 is provided with the cooling pipe 77, the butt joint port 76 is communicated with the cooling pipe 77, the top end of the butt joint port 76 is communicated with the interior of the distribution pipe 4, when oxygen enrichment needs to be blown into the furnace frame 1, the joint is inserted into the connector 72, the sealing gasket 73 wraps the joint, and a protruding ring on the joint enters the sealing groove 74, when the interior of the furnace frame 1 needs cooling, a cooling medium is conveyed to the interior of the furnace frame 1 through the cooling pipe 77, so that the interior of the furnace frame 1 is cooled.

The working principle is as follows: insert rotary joint's plug and enter into the groove 23 of inserting, make rotary joint when rotating, drive the splice frame 21 and rotate, the splice frame 21 drives stove frame 1 when rotating and rotates, when needing to blow in the oxygen boosting in stove frame 1 is inside, insert the joint and enter into in the connector 72, sealed pad 73 wraps up joint department, protruding ring on the joint enters into seal groove 74 simultaneously, realize dual sealed effect, when oxygen is carried, avoid oxygen to escape to the outside, oxygen enters into in distributing pipe 4 through butt joint 76 department, enter into in stove frame 1 by the distribution of distribution port 5 on distributing pipe 4, when the inside of stove frame 1 needs to cool off, carry coolant to the inside of stove frame 1 through cooling tube 77, help the inside of stove frame 1 to cool off.

In summary, the following steps: the utility model discloses a converter bottom blowing oxygen enrichment smelting device, insert rotary joint's plug and enter into the groove 23 of inserting, make rotary joint when rotating, drive the splice frame 21 and rotate, the splice frame 21 drives the rim 1 and rotates when rotating, when needing to blow in the oxygen enrichment inside the rim 1, insert the joint and enter into the connector 72, sealed pad 73 wraps up the joint, the protruding ring on the joint enters into seal groove 74 simultaneously, realize dual sealed effect, when oxygen is carried, avoid oxygen to escape to the outside, oxygen enters into distributing pipe 4 through butt joint 76, distribute by distribution mouth 5 on distributing pipe 4 and enter into rim 1, when the inside of rim 1 needs cooling, carry the coolant to the inside of rim 1 through cooling tube 77, help the inside of rim 1 to cool down, the device can effectively reduce the unnecessary loss when bottom blowing oxygen, the resource saving is kept, and the long-term development is facilitated.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 a converter bottom blowing oxygen boosting smelting device, includes furnace frame (1), trunnion (2), tapping hole (3), distribution pipe (4), distribution mouth (5), side gas port (6) and oxygen lance (7), its characterized in that: the both sides of furnace frame (1) all are equipped with gudgeon (2), tap hole (3) have been seted up to the inside of furnace frame (1), the bottom of furnace frame (1) is equipped with distributing pipe (4), the top of distributing pipe (4) is equipped with distributing hole (5), one side of distributing pipe (4) is equipped with side gas port (6), the bottom fixedly connected with oxygen lance (7) of distributing pipe (4).

2. The converter bottom blowing oxygen-enriched smelting device according to claim 1, characterized in that: trunnion (2) are including connecting frame (21), built-in pad (22), ann slot (23) and spacing groove (24), the inside of connecting frame (21) is equipped with built-in pad (22), the outside of built-in pad (22) is equipped with ann slot (23), spacing groove (24) have been seted up to the inside of ann slot (23).

3. The converter bottom blowing oxygen-enriched smelting device according to claim 1, characterized in that: side gas port (6) are including side pipe wall (61), intercommunicating pore (62) and seal stopper (63), intercommunicating pore (62) have been seted up to the inside of side pipe wall (61), the outside of intercommunicating pore (62) is equipped with seals stopper (63), the one end that seals stopper (63) is kept away from in intercommunicating pore (62) is connected with distribution pipe (4), is linked together between intercommunicating pore (62) and distribution pipe (4).

4. The converter bottom blowing oxygen-enriched smelting device according to claim 1, characterized in that: the oxygen lance (7) comprises a connecting pipe (71), a connector (72), a sealing gasket (73), a sealing groove (74), a buffer pipe (75), a butt joint port (76) and a cooling pipe (77), the one end fixedly connected with connector (72) of the connecting pipe (71), the inside of the connector (72) is provided with the sealing gasket (73), the sealing gasket (73) is fixedly connected with the connector (72), the sealing groove (74) is arranged in the sealing gasket (73), the one end fixedly connected with buffer pipe (75) of the connector (72) is kept away from the connecting pipe (71), the one end of the buffer pipe (75) far away from the connecting pipe (71) is provided with the butt joint port (76), and one side of the butt joint port (76) is provided with the cooling pipe (77).

5. The converter bottom-blowing oxygen-enriched smelting device according to claim 4, characterized in that: the butt joint port (76) is communicated with the cooling pipe (77), and the top end of the butt joint port (76) is communicated with the interior of the distribution pipe (4).

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