CN219195021U

CN219195021U - Special porous oxygen blowing seat of steelmaking that possesses velocity of flow monitoring function

Info

Publication number: CN219195021U
Application number: CN202223486591.7U
Authority: CN
Inventors: 王国珍
Original assignee: Nanjing Jiangbei Machinery Co ltd
Current assignee: Nanjing Jiangbei Machinery Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-06-16
Anticipated expiration: 2032-12-26

Abstract

The utility model discloses a special multi-hole oxygen blowing seat with a flow rate monitoring function for steelmaking, which comprises an oxygen tank and a base mechanism, wherein a steel cylinder angle valve is arranged at the top of the oxygen tank, an oxygen delivery pipe is communicated with the right side of the steel cylinder angle valve, a counter is arranged on the front side of the oxygen delivery pipe through a bolt, a rotating piece is arranged on the right side, far away from the oxygen tank, of the oxygen delivery pipe through a bolt, the right side of the rotating piece is fixedly connected with the left side of the base mechanism through a bolt, a converter is clamped at the top of the base mechanism, and a smoke removing mechanism is arranged at the bottom of the base mechanism. The utility model has the functions of monitoring the flow rate of oxygen and converting with a plurality of oxygen guns, so that the converting process is stable, the plurality of oxygen guns can prevent the device from being inoperable due to the blockage of one oxygen gun, the metal yield is high, the smelting efficiency is increased, the function of removing smoke dust is realized, the pollution of the surrounding environment is reduced, and the harm of the smoke dust to the body of staff is prevented.

Description

Special porous oxygen blowing seat of steelmaking that possesses velocity of flow monitoring function

Technical Field

The utility model relates to the technical field of steelmaking, in particular to a special multi-hole oxygen blowing seat with a flow rate monitoring function for steelmaking.

Background

Steelmaking means controlling the carbon content (generally less than 2%), eliminating P, S, O, N and other harmful elements, retaining or increasing Si, mn, ni, cr and other beneficial elements, adjusting the proportion among the elements, obtaining the best performance, putting pig iron for steelmaking into a steelmaking furnace, smelting according to a certain process, and obtaining steel, wherein the steel products include steel ingots, continuous casting blanks, various steel castings directly cast, and the like, and the steel is generally referred to as steel rolled into various steel products. The steel belongs to ferrous metal but the steel is not completely equal to ferrous metal, the converter can be used in steelmaking, the oxygen blowing seat is arranged at the bottom of the converter, the steel is smelted by blowing oxygen into the converter, the current oxygen blowing seat does not have the function of removing smoke dust, smoke dust can be generated in the blowing process in the converter, the surrounding environment is polluted, the physical health of workers is affected, the oxygen flow rate monitoring and the blowing function of a plurality of oxygen guns are not provided, the flow rate of oxygen cannot be mastered in real time, a single oxygen gun is easy to block, the device cannot work, and the steelmaking efficiency and the metal yield are affected.

Therefore, it is necessary to solve the above problems by inventing a porous oxygen blowing seat special for steelmaking having a flow rate monitoring function.

Disclosure of Invention

The utility model aims to provide a special multi-hole oxygen blowing seat with a flow rate monitoring function for steelmaking, which has the advantages of dust removal function for smoke dust generated in the production process, oxygen flow rate monitoring and multi-oxygen lance blowing, and solves the problems that the existing oxygen blowing seat does not have the function of dust removal, influences the health of staff, does not have the function of oxygen flow rate monitoring and multi-oxygen lance blowing, and influences the steelmaking efficiency and metal yield.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a special porous oxygen seat of steelmaking that possesses velocity of flow monitoring function, includes oxygen jar and base mechanism, the steel bottle angle valve is installed at the top of oxygen jar, the right side intercommunication of steel bottle angle valve has the oxygen conveyer pipe, the counter is installed through the bolt to the front side of oxygen conveyer pipe, the right side that the oxygen jar was kept away from to the oxygen conveyer pipe is installed through the bolt and is rotated the piece, the right side that rotates the piece passes through bolt fixed connection with the left side of base mechanism, the converter is installed at the top joint of base mechanism, smoke removal mechanism is installed to the bottom of base mechanism.

Preferably, the base mechanism comprises a shell, the top of shell passes through bolt fastening joint with the bottom of converter, the horizontal fixedly connected with oxygen shunt tubes of inner chamber of shell, the left side of oxygen shunt tubes runs through the shell and with the right side intercommunication of rotating the piece, the positive surface intercommunication of oxygen shunt tubes has oxygen distribution ring canal, the top of oxygen shunt tubes is connected with the oxygen rifle, smoke removal mechanism includes fan and bottom plate.

Preferably, the top of the oxygen lance penetrates through the shell and the converter in sequence, a gas pipe is fixedly connected to the right side of the oxygen lance, a distributor is arranged at the joint of the gas pipe, the oxygen shunt pipe and the oxygen lance, and the distributor is connected with the oxygen shunt pipe through an oxygen distribution ring pipe.

Preferably, the top of fan and the bottom of casing pass through bolt fixed connection, the right side intercommunication of fan air inlet end has the rose box, the bottom of rose box and the bottom fixed connection of casing, the filter is installed to the inner chamber of rose box, the bottom of rose box passes through bolt fixedly connected with apron, the left side at bottom plate top and the right side welding of casing bottom.

Preferably, the bottom on the right side of the filter box is communicated with a high-temperature-resistant iron telescopic pipe, the right side of the top of the bottom plate is fixedly connected with a stepping motor through a bolt, the top of the stepping motor is fixedly connected with a frame body through a bolt, and a rectangular hole is formed in the right side of the frame body.

Preferably, the top of step motor output shaft runs through the framework and fixedly connected with threaded rod, the outer lane thread bush of threaded rod is equipped with the screw thread piece, the right side welding of screw thread piece has the movable block, the right side of movable block runs through the rectangular hole and fixedly connected with dust absorption head, the one end that the flexible pipe of high temperature resistant iron was kept away from the rose box communicates with the bottom of dust absorption head.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the cooperation of the meter, the oxygen lance, the distributor, the gas pipe, the shell, the oxygen distribution ring pipe and the oxygen shunt pipe, the oxygen flow rate monitoring and multi-lance converting function are realized, so that the converting process is stable, the multi-lance can prevent one oxygen lance from being blocked to cause the device to be inoperable, the metal yield is high, and the smelting efficiency is increased.

2. The smoke removing mechanism has the function of removing smoke dust, and can remove dust generated in the converting process in the converter, reduce pollution of surrounding environment and prevent the smoke dust from damaging the body of staff.

Drawings

FIG. 1 is a front cross-sectional view of the structure of the present utility model;

FIG. 2 is a cross-sectional view of a base unit of the present utility model;

FIG. 3 is a front cross-sectional view of the smoke evacuation mechanism of the present utility model;

FIG. 4 is a top view of the housing and lance configuration of the present utility model.

In the figure: 1 oxygen tank, 2 steel cylinder angle valve, 3 counter, 4 oxygen delivery pipe, 5 rotation piece, 6 base mechanism, 61 oxygen rifle, 62 distributor, 63 gas pipe, 64 casing, 65 oxygen distribution ring pipe, 66 oxygen shunt tubes, 7 smoke removing mechanism, 71 fan, 72 rose box, 73 filter plate, 74 bottom plate, 75 apron, 76 step motor, 77 frame body, 78 screw thread piece, 79 threaded rod, 710 rectangular hole, 711 dust absorption head, 712 movable block, 713 high temperature resistant iron telescopic pipe, 8 converter.

Detailed Description

Referring to fig. 1-4, a special multi-hole oxygen blowing seat with flow rate monitoring function for steelmaking comprises an oxygen tank 1 and a base mechanism 6, wherein a steel cylinder angle valve 2 is installed at the top of the oxygen tank 1, the right side of the steel cylinder angle valve 2 is communicated with an oxygen delivery pipe 4, a meter 3 is installed on the front side of the oxygen delivery pipe 4 through bolts, a rotating piece 5 is installed on the right side, far away from the oxygen tank 1, of the oxygen delivery pipe 4 through bolts, the right side of the rotating piece 5 is fixedly connected with the left side of the base mechanism 6 through bolts, a converter 8 is clamped at the top of the base mechanism 6, and a smoke removing mechanism 7 is installed at the bottom of the base mechanism 6.

The base mechanism 6 includes casing 64, the top of casing 64 passes through bolt fastening joint with the bottom of converter 8, the horizontal fixedly connected with oxygen shunt tubes 66 of inner chamber of casing 64, the left side of oxygen shunt tubes 66 runs through casing 64 and with the right side intercommunication of rotating piece 5, the positive surface intercommunication of oxygen shunt tubes 66 has oxygen distribution ring canal 65, the top of oxygen shunt tubes 66 is connected with oxygen rifle 61, smoke removal mechanism 7 includes fan 71 and bottom plate 74, through oxygen rifle 61 structure, have the function of spraying oxygen and gas for the gas of oxygen can penetrate the molten steel.

The top of oxygen rifle 61 runs through casing 64 and converter 8 in proper order, and the right side fixedly connected with gas pipe 63 of oxygen rifle 61, and the junction of gas pipe 63, oxygen shunt tubes 66 and oxygen rifle 61 is equipped with distributor 62, and distributor 62 passes through oxygen distribution ring pipe 65 and is connected with oxygen shunt tubes 66, through oxygen shunt tubes 66 structure, can make the oxygen reposition of redundant personnel, can cooperate oxygen distribution ring pipe 65 evenly to distribute oxygen.

The top of fan 71 passes through bolt fixed connection with the bottom of casing 64, and the right side intercommunication of fan 71 air inlet end has rose box 72, and the bottom of rose box 72 and the bottom fixed connection of casing 64, and filter 73 is installed to the inner chamber of rose box 72, and the bottom of rose box 72 passes through bolt fixed connection apron 75, and the left side at bottom plate 74 top welds with the right side of casing 64 bottom, through filter 73 structure, can filter the smoke and dust, plays the effect of purifying.

The bottom on the right side of the filter box 72 is communicated with a high-temperature-resistant iron telescopic pipe 713, the right side on the top of the bottom plate 74 is fixedly connected with a stepping motor 76 through a bolt, the stepping motor 76 is a motor for converting an electric pulse signal into corresponding angular displacement or linear displacement, the top of the stepping motor 76 is fixedly connected with a frame 77 through the bolt, a rectangular hole 710 is formed in the right side of the frame 77, and the threaded rod 79 can be driven to rotate through the structure of the stepping motor 76, so that a threaded block 78, a moving block 712 and a dust collection head 711 can move up and down.

The top of step motor 76 output shaft runs through framework 77 and fixedly connected with threaded rod 79, and the outer lane thread bush of threaded rod 79 is equipped with screw thread piece 78, and the right side welding of screw thread piece 78 has movable block 712, and the right side of movable block 712 runs through rectangular hole 710 and fixedly connected with dust absorption head 711, and the one end that the flexible pipe 713 of high temperature resistant iron was kept away from rose box 72 communicates with the bottom of dust absorption head 711, through dust absorption head 711 structure, can cooperate fan 71 to inhale the smoke and dust absorption of being convenient for.

When the device is used, oxygen in the oxygen tank 1 is discharged into the inner cavity of the oxygen delivery pipe 4 by screwing the steel cylinder angle valve 2, oxygen is delivered to the inner cavities of the oxygen split pipe 66 and the oxygen distribution ring pipe 65 through the oxygen delivery pipe 4, oxygen and fuel gas are sprayed into the inner cavity of the converter 8 through the matching of the distributor 62 and the oxygen gun 61, so that the upper and lower temperatures of molten steel in the converter 8 are uniform, the consumption of oxygen can be monitored through the counter 3, when a large amount of smoke dust is generated, the fan 71 and the stepping motor 76 are started through the peripheral switch, the threaded rod 79 is driven to rotate through the stepping motor 76, the threaded block 78, the movable block 712 and the dust suction head 711 are driven to move upwards, the smoke dust is sucked into the filter box 72 through the fan 71, the smoke dust is filtered through the filter plate 73 and discharged, and when the filter plate 73 is required to be cleaned, the filter plate 73 is taken out through screwing down a bolt on the cover plate 75, and the filter plate 73 is taken out.

To sum up: this special porous oxygen seat of steelmaking that possesses velocity of flow monitoring function through counter 3, oxygen rifle 61, distributor 62, gas pipe 63, casing 64, oxygen distribution ring canal 65, oxygen shunt tubes 66 and smoke removal mechanism 7, has solved present oxygen seat and has not had the function of smoke and dust removal, influences staff's health, and does not have the function to oxygen velocity of flow monitoring and possess the oxygen blowing of many oxygen guns, influences the problem of steelmaking efficiency and metal yield.

Claims

1. The utility model provides a special porous oxygen seat of blowing of steelmaking that possesses velocity of flow monitoring function, includes oxygen jar (1) and base mechanism (6), its characterized in that: the oxygen tank is characterized in that a steel cylinder angle valve (2) is arranged at the top of the oxygen tank (1), an oxygen conveying pipe (4) is communicated with the right side of the steel cylinder angle valve (2), a meter (3) is arranged on the front side of the oxygen conveying pipe (4) through a bolt, a rotating piece (5) is arranged on the right side, far away from the oxygen tank (1), of the oxygen conveying pipe (4) through a bolt, the right side of the rotating piece (5) is fixedly connected with the left side of a base mechanism (6) through a bolt, a converter (8) is clamped at the top of the base mechanism (6), and a smoke removing mechanism (7) is arranged at the bottom of the base mechanism (6).

2. The multi-hole oxygen blowing seat with the flow rate monitoring function special for steelmaking according to claim 1, wherein the oxygen blowing seat is characterized in that: the base mechanism (6) comprises a shell (64), the top of the shell (64) is fixedly clamped with the bottom of the converter (8) through bolts, an oxygen shunt tube (66) is transversely fixedly connected to the inner cavity of the shell (64), the left side of the oxygen shunt tube (66) penetrates through the shell (64) and is communicated with the right side of the rotating piece (5), an oxygen distribution ring pipe (65) is communicated with the front surface of the oxygen shunt tube (66), an oxygen gun (61) is connected to the top of the oxygen shunt tube (66), and the smoke removing mechanism (7) comprises a fan (71) and a bottom plate (74).

3. The multi-hole oxygen blowing seat with the flow rate monitoring function special for steelmaking according to claim 2, wherein the oxygen blowing seat is characterized in that: the top of oxygen rifle (61) runs through casing (64) and converter (8) in proper order, the right side fixedly connected with gas pipe (63) of oxygen rifle (61), the junction of gas pipe (63), oxygen shunt tubes (66) and oxygen rifle (61) is equipped with distributor (62), distributor (62) are connected with oxygen shunt tubes (66) through oxygen distribution ring pipe (65).

4. The multi-hole oxygen blowing seat with the flow rate monitoring function special for steelmaking according to claim 2, wherein the oxygen blowing seat is characterized in that: the top of fan (71) passes through bolt fixed connection with the bottom of casing (64), the right side intercommunication of fan (71) air inlet end has rose box (72), the bottom of rose box (72) and the bottom fixed connection of casing (64), filter (73) are installed to the inner chamber of rose box (72), the bottom of rose box (72) is through bolt fixed connection apron (75), the left side at bottom plate (74) top and the right side welding of casing (64) bottom.

5. The multi-hole oxygen blowing seat with the flow rate monitoring function special for steelmaking according to claim 4, wherein the oxygen blowing seat is characterized in that: the bottom on the right side of the filter box (72) is communicated with a high-temperature-resistant iron telescopic pipe (713), the right side of the top of the bottom plate (74) is fixedly connected with a stepping motor (76) through bolts, the top of the stepping motor (76) is fixedly connected with a frame body (77) through bolts, and the right side of the frame body (77) is provided with a rectangular hole (710).

6. The multi-hole oxygen blowing seat with flow rate monitoring function for steelmaking as set forth in claim 5, wherein: the top of step motor (76) output shaft runs through framework (77) and fixedly connected with threaded rod (79), the outer lane thread bush of threaded rod (79) is equipped with screw thread piece (78), the right side welding of screw thread piece (78) has movable block (712), the right side of movable block (712) runs through rectangular hole (710) and fixedly connected with dust absorption head (711), the one end that rose box (72) was kept away from to high temperature resistant iron telescopic tube (713) communicates with the bottom of dust absorption head (711).