CN114164316A

CN114164316A - Molten iron desulphurization gun

Info

Publication number: CN114164316A
Application number: CN202111370482.6A
Authority: CN
Inventors: 戚传乐; 许小龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-03-11

Abstract

The invention relates to the field of a desulphurization gun, in particular to a molten iron desulphurization gun, which comprises a desulphurization gun main body, wherein a slide block is arranged at the upper end of the desulphurization gun main body, a transmission mechanism and a screw rod are arranged in the slide block, a material containing box is arranged in the desulphurization gun main body, transverse rods are symmetrically arranged at the front side and the rear side of the desulphurization gun main body, second blades are fixedly connected with the surface of the desulphurization gun main body, stand columns are arranged at the two sides of the desulphurization gun main body, a stirring mechanism is arranged on the surface of each stand column, a protective box is arranged at the upper end of each stand column, a telescopic cylinder is arranged in each protective box, a transverse block is connected in the slide block at one end of each protective box, second racks and threads are arranged on the transverse blocks, and fixed pipes are arranged at the two ends of the desulphurization gun main body, which are close to the front end and the rear end, and the treatment efficiency of the molten iron can be improved through the stirring mechanism.

Description

Molten iron desulphurization gun

Technical Field

The invention relates to the field of a desulphurization gun, in particular to a molten iron desulphurization gun.

Background

In order to avoid internal cracks of steel billets and obtain good surface quality, the sulfur content of common steel is required to be less than 0.020%, in order to enable structural steel to have uniform mechanical properties (namely anisotropy is reduced), the sulfur content of steel is required to be less than 0.010%, in order to enable oil and natural gas conveying pipes, steel for oil refining equipment, steel for offshore oil production platforms, low-temperature steel, thick ship plate steel, steel for aviation and the like to have hydrogen induced cracking resistance, more uniform mechanical properties and higher impact toughness, thin plate steel has good electromagnetic properties, thin plate steel has good deep drawing performance and the like, the sulfur content of steel is required to be less than 0.005%, powder spraying and desulfuration are important links in modern steel making production, powder can be sprayed into molten iron through a molten iron desulphurization gun, the average residence time of the powder in the molten iron can be prolonged, and the powder and the modern molten iron can fully react.

The existing molten iron desulphurization spray gun has some disadvantages:

1. when the molten iron in the molten iron tank is desulfurized, the desulfurizing gun cannot be driven to reciprocate in the molten iron tank, and only the molten iron at a fixed position can be desulfurized;

2. during desulfurization, reactants easily fall on the bottom end of the molten iron tank to influence the desulfurization efficiency, and the molten iron tank has a single function and cannot treat multiple elements in molten iron.

To this end, we propose a molten iron desulphurization lance.

Disclosure of Invention

The invention mainly aims to provide a molten iron desulphurization gun, which can effectively solve the problems that the common desulphurization gun has single function and can not move.

In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a molten iron desulphurization gun, includes the desulphurization gun main part, first slider is installed to the upper end of desulphurization gun main part, the bilateral symmetry is provided with the horizontal pole around the first slider, the both sides of desulphurization gun main part are provided with the stand, the surface of stand is provided with rabbling mechanism, the upper end of stand is provided with the guard box, the inside of guard box is provided with telescopic cylinder, the one end of guard box is connected with the horizontal block, first slider is close to guard box department and is provided with fixed pipe, desulphurization gun main part bottom fixedly connected with second paddle.

Preferably, rabbling mechanism includes pivot, first gear and first paddle, the surface of stand is run through at the both ends of pivot, for rotating the connection between pivot, the stand, the pivot is close to the first gear of the position fixedly connected with on stand surface, a plurality of first paddles of fixedly connected with in the pivot.

Preferably, a first groove is formed in the first slider, a lifting frame is arranged in the first groove, a first connecting rod is fixedly connected to the bottom of the lifting frame, the first connecting rod is close to the fixedly connected lifting frame of the first groove, a material containing box is fixedly connected to the bottom of the first connecting rod, a second connecting rod is arranged on the left side of the first groove and is connected with a first slider bearing through a first bearing, the second connecting rod is close to a second gear fixedly connected to one end of the first groove, a third gear is fixedly connected to the bottom of the second connecting rod, a second bearing is fixedly connected to the bottom of the first slider, and a fixed pipe is fixedly connected to the top of the first slider, close to a protection box.

Preferably, the outside of first slider is connected with the fixed block, the surface of fixed block is run through at the both ends of horizontal pole, be fixed connection between fixed block, the horizontal pole, the first rack of horizontal pole both ends fixedly connected with, first rack and first gear mesh mutually.

Preferably, the surface of the fixed pipe is provided with a bolt, and one end of the output shaft of the telescopic cylinder in the protective box is fixed in the fixed pipe through the bolt.

Preferably, the outside of the flexible cylinder output shaft of one end of guard box is provided with the sliding sleeve, the size and the output shaft looks adaptation of sliding sleeve.

Preferably, the inside third recess of having seted up of desulfurization rifle main part, the fourth recess has all been seted up to the third recess left and right sides inner wall, the spout has been seted up to both sides inner wall around the third recess, the spout with fix the second slider looks adaptation on putting thing box surface, it includes box and lower box to put the thing box, go up box and lower bottom of the case portion and be close to third groove and seted up hole and lower hole, desulfurization rifle main part upper end fixedly connected with fixed axle, fixed axle top fixedly connected with fourth gear, fourth gear and third gear mesh mutually, desulfurization rifle main part top outside and fixed connection are connected at the inside second bearing of first slider.

Preferably, the two ends of the transverse block are respectively fixed on one end surface of the protective boxes on the two sides of the main body of the desulfurization gun, a convex block is arranged on the outer surface of one end of the transverse block, a second rack is fixedly connected to the transverse block, and the second rack is meshed with a second gear.

Preferably, the third gear diameter is smaller than the fourth gear diameter.

Compared with the prior art, the invention has the following beneficial effects:

1. through the reciprocating motion of the main body of the desulphurization gun in the molten iron and the rotation of the second paddle, the desulphurization effect of the desulphurization gun on the molten iron is better.

2. Through the motion of desulfurization rifle main part, can drive horizontal pole lateral shifting, first rack on the horizontal pole drives the epaxial first gear of pivot and rotates to drive the rotation of first paddle, first paddle stirs the molten iron, thereby makes the desulfurization effect more.

3. Different compounds are placed in the upper box and the lower box of the storage box, so that different elements in molten iron can be removed.

In conclusion, the using effect is better than that of the traditional mode.

Drawings

FIG. 1 is a schematic view showing an overall structure of a molten iron desulfurization lance according to the present invention;

FIG. 2 is a combination view of a stirring mechanism and a first rack of a molten iron desulphurization gun according to the present invention;

FIG. 3 is a cross-sectional view of a first slide block and a desulfurization gun body of a molten iron desulfurization gun according to the present invention;

FIG. 4 is a sectional view taken along line A-A of FIG. 3 in accordance with the present invention;

FIG. 5 is a combination view of a storage box and a desulfurization gun body of a molten iron desulfurization gun according to the present invention;

FIG. 6 is a schematic view of a cross-piece of a molten iron desulphurization gun according to the present invention.

In the figure: 1. a desulfurization gun main body; 101. a rotating shaft; 102. a first blade; 103. a first gear; 104. placing a material box; 1041. putting the box on; 1042. a box is lowered; 1043. an upper hole; 1044. a lower hole; 1045. a second slider; 105. a first connecting rod; 106. a lifting frame; 108. a first groove; 109. a second groove; 1091. a chute; 110. a fourth groove; 111. a second bearing; 112. a third gear; 113. a fourth gear; 114. a fixed shaft; 115. a second connecting rod; 116. a first bearing; 117. a second gear; 118. a second blade; 2. a first slider; 3. a transverse block; 31. a bump; 32. a second rack; 4. a column; 5. a protective box; 6. a fixed tube; 7. a sliding sleeve; 8. a fixed block; 9. a cross bar; 91. a first rack.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-5, a molten iron desulphurization gun, includes desulphurization gun main part 1, first slider 2 is installed to the upper end of desulphurization gun main part 1, the side symmetry is provided with horizontal pole 9 around first slider 2, the both sides of desulphurization gun main part 1 are provided with stand 4, the surface of stand 4 is provided with rabbling mechanism, the upper end of stand 4 is provided with guard box 5, the inside of guard box 5 is provided with telescopic cylinder, the one end fixedly connected with horizontal block 3 of guard box 5, first slider 2 is close to guard box 5 department and is provided with fixed pipe 6, desulphurization gun main part 1 bottom fixedly connected with second paddle 118.

Through adopting above-mentioned technical scheme, telescopic cylinder in the guard box 5 links to each other and promotes first slider 2 and moves on the horizontal block 3 through fixed pipe 6 and first slider 2, the motion of first slider 2 drives the desulfurization rifle main part 1 motion of 2 below fixed connection of first slider, desulfurization rifle main part 1 passes through horizontal pole 9 and rabbling mechanism and connects, the motion through desulfurization rifle main part 1 drives first paddle 118 on the rabbling mechanism and rotates, thereby stir the molten iron, thereby improve the efficiency to the molten iron desulfurization.

Specifically, rabbling mechanism 10 includes pivot 101, first gear 103 and first paddle 102, the surface of stand 4 is run through at the both ends of pivot 101, be the rotation connection between pivot 101, the stand 4, pivot 101 is close to the first gear 103 of the position fixedly connected with on the stand 4 surface, a plurality of first paddles 102 of fixedly connected with on the pivot 101.

Through adopting above-mentioned technique, through meshing first gear 103 and first rack 91 mutually, drive the rotation of first gear 103 through first rack 91 to drive pivot 101 and rotate, thereby drive and fix the rotation of first paddle 102 on pivot 101 surface, the rotation of paddle 102 drives the flow of molten iron, thereby improves desulfurization efficiency.

Specifically, first recess 108 has been seted up to first slider 2 is inside, be equipped with lifting frame 106 in the first recess 108, the notch has been seted up on lifting frame 106 left side, lifting frame 106 bottom fixed connection head rod 105, head rod 105 bottom fixedly connected with material containing box 104, first recess 108 left side is equipped with second connecting rod 115, second connecting rod 115 is connected through first bearing 116 and first slider 2 bearing, second connecting rod 115 is close to the one end fixedly connected with second gear 117 of first recess 108, second connecting rod 115 bottom fixedly connected with

third gear

112, 2 bottom fixedly connected with second bearings 111 of first slider, 2 tops of first slider are close to guard box 5 fixedly connected with fixed pipe 6.

By adopting the above technology, the lifting frame 106 in the first groove 108 is matched with the transverse block 3, the second gear 117 is matched with the second rack 32 on the transverse block 3, when the first sliding block 2 horizontally reciprocates on the transverse block 3, the second gear 117 rotates under the action of the second rack 32, the rotation of the second gear 117 drives the third gear 112 fixed below the second connecting rod 115 through the second connecting rod 115, the rotation of the fourth gear 113 is driven through the rotation of the third gear 112, because the diameter of the third gear 112 is larger than that of the fourth gear 113, the rotation speed of the fourth gear 113 is higher than that of the third gear 112, through the lug 31 arranged at the right end of the transverse block 3, when the first sliding block 2 moves to one end with the lug 31 by controlling the stroke of the telescopic cylinder fixed in the protection box 5, the lifting frame 106 is matched with the lug 31 on the transverse block 3, the projection 31 is pressed against the lifting frame 106 to move upwards, so as to drive the first connecting rod 105 and the material placing box 104 fixedly connected with the first connecting rod 105 to move upwards;

specifically, the fixed surface of desulfurization rifle main part 1 is connected with fixed block 8, the inside of fixed block 8 is run through at the both ends of horizontal pole 9, be fixed connection between fixed block 8, the horizontal pole 9, the first rack 91 of the 9 both ends fixedly connected with of horizontal pole, first rack 91 and first gear 103 mesh mutually.

Through adopting above-mentioned technical scheme, be connected with fixed block 8 and make horizontal pole 9 and fixed block 8 fixed connection at the fixed surface of desulfurization main part rifle main part 1, thereby make the reciprocating motion of desulfurization rifle main part 1 drive the motion of horizontal pole 9, through the first rack 91 of both ends fixedly connected with and first rack 91 that are close to rabbling mechanism at horizontal pole 9 and fix the meshing of the first gear 103 in pivot 101, thereby make the reciprocating motion of desulfurization rifle main part 1 drive the rotation of pivot 101, thereby drive the motion of first paddle 102.

Specifically, the surface of the fixed pipe 6 is provided with a bolt, and one end of the output shaft of the telescopic cylinder in the protective box 5 is fixed in the fixed pipe 6 through the bolt.

Through adopting above-mentioned technical scheme for fixed 6 more firm with telescopic cylinder output shaft's of fixed pipe.

Specifically, the outside of the flexible cylinder output shaft of one end of guard box 5 is provided with sliding sleeve 7, sliding sleeve 7's size and output shaft looks adaptation.

Specifically, a third groove 109 is formed in the main body 1 of the desulfurization gun, fourth grooves 110 are formed in inner walls of left and right sides of the third groove 109, sliding grooves 1091 are formed in inner walls of front and rear sides of the third groove 109, the sliding grooves 1091 are matched with second sliders 1045 fixed on the surface of the object placing box 104, the object placing box 104 comprises an upper box 1041 and a lower box 1042, an upper hole 1043 and a lower hole 1044 are formed in the bottoms of the upper box 1041 and the lower box 1042 and are close to the fourth groove 110, a fixed shaft 114 is fixedly connected to the upper end of the main body 1 of the desulfurization gun, a fourth gear 113 is fixedly connected to the top end of the fixed shaft 114, the fourth gear 113 is meshed with the third gear 112, and the outer side of the top end of the main body 1 of the desulfurization gun is connected to a second bearing 111 inside the first slider 2.

By adopting the above technical solution, the third groove 109 is used for placing the material placing box 104, the material containing box 104 is slidably connected with the third groove 109 through the second slide block 1045, by dividing the material placing box 104 into the upper box 1041 and the lower box 1042, two different compounds can be placed in the material placing box 104, so that different elements can be removed from the molten iron, by forming a fourth groove 110 on the inner wall of the third groove 109 and aligning the fourth groove 110 with the upper hole 1043 and the lower hole 1044, so that the compounds inside the upper case 1041 and the lower case 1042 can enter molten iron through the fourth groove 110 to realize desulfurization and the like, by fixedly connecting the desulfurization gun main body 1 with the second bearing 111 fixed at the bottom of the first slide block 2, the fourth gear 113 can drive the desulfurization gun main body 1 to rotate, thereby driving the second blade 118 fixed on the main body 1 of the desulphurization gun to rotate, and leading the desulphurization effect to be better.

Specifically, the both ends of crosspiece 3 are fixed in the one end surface of the protective housing 5 of desulfurization gun main part 1 both sides respectively, 3 one end surfaces of crosspiece are equipped with lug 31, fixedly connected with second rack 32 on the crosspiece 3, second rack 32 and second gear 117 mesh.

By adopting the above technical scheme, the transverse block 3 moves in the lifting frame 106 in the first groove 108 in the first slider 2, and is meshed with the second gear 117 through the second rack 32, so that the movement of the first slider 2 drives the second gear 117 to rotate, and the lug 31 and the lifting frame 106 can be controlled to be matched by controlling whether the moving distance of the first slider 2 reaches the lug 31, thereby controlling the up-and-down movement of the material placing box 104.

Specifically, the diameter of the third gear 112 is smaller than that of the fourth gear 113.

By adopting the above technical scheme, the third gear 112 and the fourth gear 113 are engaged, and the diameter of the third gear 112 is set to be smaller than that of the fourth gear 113, so that the angular velocity of the fourth gear 113 is smaller than that of the third gear 112, the rotation amplitude of the desulfurization gun body 1 is not too large, and the first connecting rod 105 and the desulfurization gun body are prevented from being clamped.

The use method and the working principle are as follows: the output shaft of the telescopic cylinder extends into the fixed pipe 6, the bolt on the surface of the fixed pipe 6 is screwed down to fix the output shaft of the telescopic cylinder in the fixed pipe 6, the protective box 5 is installed in the desulfurization device, the telescopic cylinder (with the model of Y160L-2) is started to drive the fixed pipe 6 to move transversely, and further the desulfurization gun body 1 is driven, the first slide block 2 moves back and forth on the outer side of the transverse block 3, the molten iron at different positions in the molten iron tank is uniformly desulfurized through the movement of the desulfurization gun body 1, the desulfurization effect is better, meanwhile, the second rack 32 on the transverse block 3 is driven to drive the second gear 117 to rotate, the second gear 117 drives the third gear 112 to rotate through the second connecting rod 115, the third gear 112 drives the fourth gear 113 to rotate, the rotation of the fourth gear 113 drives the desulfurization gun body 1 to rotate, thereby driving the second paddle 118 on the surface of the desulfurization gun body 1 to rotate, the desulfurization effect of the desulfurization gun body 1 is better, meanwhile, when the stroke of the telescopic cylinder fixed inside the protective box 5 is controlled, so that the first sliding block 2 moves to one end with the lug 31, the lifting frame 106 is matched with the lug 31 on the transverse block 3, so that the left horizontal movement of the first sliding block 2 on the lug 31 drives the lifting frame 106 to move upwards, so as to drive the first connecting rod 105 to move upwards, the first connecting rod 105 drives the material placing box 104 to move upwards, so that the lower box 1042 is aligned with the fourth groove 110, so that the compound inside the lower box 1042 enters molten iron through the fourth groove 110, elements in the molten iron are separated, the movement of the desulfurization gun body 1 drives the transverse rod 9 to move transversely, the first racks 91 are fixedly connected to two ends of the transverse rod 9 close to the stirring mechanism, and the first racks 91 are meshed with the first gear 103 fixed on the rotating shaft 101, thereby make the reciprocating motion of desulfurization gun main part 1 drive the rotation of pivot 101 to drive the motion of first paddle 102, thereby stir the molten iron, make the desulfurization effect of molten iron better.

While there has been shown and described the fundamental principles of the invention and the principal features and advantages thereof, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are given by way of illustration of the principles of the invention, but is susceptible to various changes and modifications without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a molten iron desulphurization gun, includes desulphurization gun main part (1), its characterized in that: first slider (2) are installed to the upper end of desulfurization rifle main part (1), the side symmetry is provided with horizontal pole (9) around first slider (2), the both sides of desulfurization rifle main part (1) are provided with stand (4), the surface of stand (4) is provided with rabbling mechanism, the upper end of stand (4) is provided with guard box (5), the inside of guard box (5) is provided with telescopic cylinder, the one end of guard box (5) is connected with horizontal block (3), the both ends of first slider (2) are close to guard box (5) and locate to be provided with fixed pipe (6), desulfurization rifle main part (1) bottom fixedly connected with second paddle (118).

2. The molten iron desulfurization gun according to claim 1, characterized in that: rabbling mechanism includes pivot (101), first gear (103) and first paddle (102), the surface of stand (4) is run through at the both ends of pivot (101), be connected for rotating between pivot (101), stand (4), pivot (101) are close to the first gear (103) of position fixedly connected with on stand (4) surface, a plurality of first paddles (102) of fixedly connected with on pivot (101).

3. The molten iron desulfurization gun according to claim 1, characterized in that: a first groove (108) is arranged in the first sliding block (2), a lifting frame (106) is arranged in the first groove (108), the bottom of the lifting frame (106) is fixedly connected with a first connecting rod (105), the bottom end of the first connecting rod (105) is fixedly connected with a material containing box (104), a second connecting rod (115) is arranged on the left side of the first groove (108), the second connecting rod (115) is in bearing connection with the first sliding block (2) through a first bearing (116), one end of the second connecting rod (115) close to the first groove (108) is fixedly connected with a second gear (117), the bottom end of the second connecting rod (115) is fixedly connected with a third gear (112), first slider (2) bottom fixedly connected with second bearing (111), first slider (2) top is close to protective housing (5) department fixedly connected with fixed pipe (6).

4. The molten iron desulfurization gun according to claim 1, characterized in that: the outside of the surperficial horizontal pole (9) of first slider (2) is connected with fixed block (8), the surface of fixed block (8) is run through at the both ends of horizontal pole (9), be fixed connection between fixed block (8), horizontal pole (9) both ends fixedly connected with first rack (91), first rack (91) and first gear (103) mesh mutually.

5. The molten iron desulfurization gun according to claim 1, characterized in that: the surface of the fixed pipe (6) is provided with a bolt, and one end of an output shaft of the telescopic cylinder in the protective box (5) is fixed in the fixed pipe (6) through the bolt.

6. The molten iron desulfurization gun according to claim 1, characterized in that: the outside of the flexible cylinder output shaft of one end of guard box (5) is provided with sliding sleeve (7), the size and the output shaft looks adaptation of sliding sleeve (7).

7. The molten iron desulfurization gun according to claim 1, characterized in that: a second groove (109) is arranged in the desulfurizing gun main body (1), fourth grooves (110) are arranged on the inner walls of the left side and the right side of the second groove (109), the inner walls of the front side and the rear side of the second groove (109) are provided with sliding grooves (1091), the sliding grooves (1091) are matched with a second sliding block (1045) fixed on the surface of the storage box (104), the storage box (104) comprises an upper box (1041) and a lower box (1042), an upper hole (1043) and a lower hole (1044) are arranged at the bottom parts of the upper box (1041) and the lower box (1042) near the second groove (110), the upper end of the desulfurization gun main body (1) is fixedly connected with a fixed shaft (114), the top end of the fixed shaft (114) is fixedly connected with a fourth gear (113), the fourth gear (113) is meshed with the third gear (112), and the outer side of the top end of the desulfurization gun main body (1) is in bearing connection with a second bearing (111) fixedly connected inside the first sliding block (2).

8. The molten iron desulfurization gun according to claim 1, characterized in that: the both ends of crosspiece (3) are fixed in the one end surface of protective housing (5) of desulfurization rifle main part (1) both sides respectively, crosspiece (3) one end surface is equipped with lug (31), fixedly connected with second rack (32) on crosspiece (3), second rack (32) and second gear (117) meshing.

9. The molten iron desulfurization gun according to claim 3, characterized in that: the diameter of the third gear (112) is smaller than that of the fourth gear (113).