Depth measuring device for rotary area of blast furnace tuyere

Abstract

The utility model relates to a depth measuring device for a blast-furnace tuyere convolute area. The depth measuring device comprises a front traction part and a rear striking part, the long rod is arranged between the front traction part and the rear striking part; the front traction part comprises a traction mechanism, a first base, a walking mechanism, a lifting platform, a first hydraulic cylinder and a first guide rod; first guide rods are arranged at the four corners of the lower end face of the lifting table. Guide holes are formed in the four corners of the upper end face of the first base correspondingly, and first guide rods corresponding to the guide holes in position are inserted into the guide holes correspondingly. A hole is formed in the upper end of the first base, a first hydraulic cylinder is arranged in the hole, and the end of a piston rod of the first hydraulic cylinder is connected with the center of the lower end face of the lifting table. The traction mechanism is arranged on the upper end face of the lifting table, and the walking mechanism is arranged on the lower end face of the first base. According to the utility model, the sounding efficiency of the tuyere convolute area is improved, and the labor intensity of workers is reduced.

Description

Technical Field

[0001] The utility model relates to a depth measuring device, in particular to a device capable of measuring the depth of a blast furnace tuyere raceway, and belongs to the technical field of blast furnace tuyere raceway depth measuring equipment. Background Art

[0002] The tuyere whirlpool area refers to the area in the blast furnace ironmaking process where the coke in front of the tuyere in the furnace whirls and burns under the action of high-speed hot air, which is also called the coke circulation area; the tuyere whirlpool area is an important place for carbon gasification in the furnace reaction; the size of the whirlpool area directly affects the state of the upper charge descent, and is the basic condition for determining whether the blast furnace can operate normally; therefore, depth measurement of the blast furnace tuyere whirlpool area is crucial to the stable production of the blast furnace; purpose, the depth measurement of the tuyere whirlpool area is done manually; multiple staff members cooperate with handheld A long rod is inserted from the straight blowing pipe, and after passing through the tuyere sleeve, it is inserted into the blast furnace until the long rod can no longer move forward, and then a line is drawn at the junction of the long rod and the straight blowing pipe, the long rod is pulled out, and the distance between the end of the long rod and the drawn line is measured, and then the total length of the straight blowing pipe and the tuyere sleeve combination is subtracted to obtain the depth of the raceway. This process is time-consuming, labor-intensive, and inefficient, and the process of multiple workers holding long rods and repeatedly poking them into the blast furnace is extremely labor-intensive. Therefore, a depth measuring device for the tuyere raceway of a blast furnace is needed, which is required to reduce the labor intensity of the workers and improve the efficiency of the raceway depth measurement. Utility Model Content

[0003] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a depth measuring device for the raceway of a blast furnace tuyere, which can not only reduce the labor intensity of the staff but also improve the efficiency of the raceway depth measurement.

[0004] The problem described in the utility model is solved by the following technical solutions:

[0005] A depth sounding device for a blast furnace tuyere raceway zone comprises a front pulling part and a rear striking part; a long rod is arranged between the front pulling part and the rear striking part; the front pulling part comprises a pulling mechanism, a first base, a walking mechanism, a lifting platform, a first hydraulic cylinder and a first guide rod; the four corners of the lower end surface of the lifting platform are provided with a first guide rod; the four corners of the upper end surface of the first base are provided with guide holes, and each guide hole is inserted with a first guide rod of corresponding position; a hole is provided at the upper end of the first base, and a first hydraulic cylinder is provided in the hole, and the end of the piston rod of the first hydraulic cylinder is connected to the center of the lower end surface of the lifting platform; the pulling mechanism is arranged on the upper end surface of the lifting platform, and the walking mechanism is arranged on the lower end surface of the first base.

[0006] The above-mentioned depth measuring device for the blast furnace tuyere rotation zone, the walking mechanism includes walking wheels, a second hydraulic cylinder and a positioning column; walking wheels are arranged at the four corners of the lower end surface of the first base; a plurality of holes are evenly arranged on the lower end surface of the first base, and the housing of the second hydraulic cylinder is arranged in the hole on the lower end surface of the first base, the positioning column is inserted in the hole on the lower end surface of the first base, and the end of the piston rod of the second hydraulic cylinder is connected to the positioning column.

[0007] The above-mentioned depth measuring device for the blast furnace tuyere rotation zone, the pulling mechanism includes two winches; the winches are symmetrically arranged on both sides of the width direction of the upper end face of the lifting platform; the upper end face of the lifting platform is symmetrically provided with two limit rings along its length direction, and the long rod passes through the two limit rings.

[0008] The above-mentioned depth sounding device for the blast furnace tuyere raceway zone, the rear striking part includes a following mechanism, a striking mechanism and a docking mechanism; the striking mechanism and the docking mechanism are both arranged on the following mechanism; the following mechanism includes a second base, a third hydraulic cylinder, a lifting plate and a second guide rod; the four corners of the lower end surface of the second base are provided with walking wheels; the upper end surface of the second base is provided with a guide hole; the lower end surface of the lifting plate is provided with a second guide rod, and the second guide rod is inserted into the guide hole of the second base; the top end of the second base is provided with a hole, the third hydraulic cylinder housing is provided in the hole at the top end of the second base, and the end of the piston rod of the third hydraulic cylinder is connected to the lower end surface of the lifting plate.

[0009] The above-mentioned depth sounding device for the blast furnace tuyere whirlpool zone, the docking mechanism includes a docking tube and a hanging ring; the docking tube is arranged on the upper end surface of the lifting plate; the hanging rings are symmetrically arranged on both sides of the outer wall of the docking tube; the ends of the winch wire rope are provided with hooks, and the hooks corresponding to the two winches are respectively docked with different hanging rings; a through hole is arranged at the center of the docking tube, and one end of the long rod is inserted into the center hole of the docking tube, and the other end of the long rod is inserted into the blast furnace from the straight blowing pipe; a limiting plate is arranged at one end of the central through hole of the docking tube, and a hole is arranged at the center of the limiting plate, and the diameter of the central hole of the limiting plate is smaller than the cross-sectional diameter of the long rod.

[0010] The above-mentioned depth measuring device for the vortex zone of the blast furnace tuyere, the striking mechanism includes an impact cylinder and a support plate; the support plate is arranged on the side wall of the lifting plate, and the shell of the impact cylinder is arranged on the upper end surface of the support plate; a connecting rod is arranged at the end of the piston rod of the impact cylinder, and the connecting rod passes through the center hole of the limit plate and contacts with the end of the long rod.

[0011] The utility model drives the long rod forward through the front pulling part, and the advancing long rod advances in the wind outlet turning zone until the end, thereby measuring the depth of the wind outlet turning zone; in the process of the long rod advancing, there are some areas that are difficult to advance, and the rear striking part can provide instantaneous explosive force for the long rod, hitting the end of the long rod to make it advance; the cooperation of the front pulling part and the rear striking part drives the long rod to advance in the wind outlet turning zone. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0013] Figure 2 It is a partial enlarged structural schematic diagram of the utility model A.

[0014] The list of numbers in the figure is: 1. first base, 2. lifting platform, 3. second base, 4. third hydraulic cylinder, 5. lifting plate, 6. second guide rod, 7. docking tube, 8. hanging ring, 9. impact cylinder, 10. support plate, 11. winch, 12. long rod. DETAILED DESCRIPTION

[0015] See also Figure 1 and Figure 2 The utility model includes a front pulling part and a rear striking part; the long rod 12 is arranged between the front pulling part and the rear striking part; the front pulling part includes a pulling mechanism, a first base 1, a walking mechanism, a lifting platform 2, a first hydraulic cylinder and a first guide rod; the four corners of the lower end surface of the lifting platform 2 are provided with a first guide rod; the four corners of the upper end surface of the first base 1 are provided with guide holes, and each guide hole is inserted with a first guide rod corresponding to the position; the first guide rod can provide a guiding effect for the lifting and lowering of the lifting platform 2; a hole is provided at the upper end of the first base 1, and a first hydraulic cylinder is provided in the hole, and the end of the piston rod of the first hydraulic cylinder is connected to the center of the lower end surface of the lifting platform 2; the pulling mechanism is arranged on the upper end surface of the lifting platform 2, and the walking mechanism is arranged on the lower end surface of the first base 1; the first hydraulic cylinder is used to drive the lifting platform 2 to rise and fall.

[0016] The walking mechanism includes walking wheels, a second hydraulic cylinder and a positioning column; walking wheels are arranged at the four corners of the lower end surface of the first base 1; a plurality of holes are evenly arranged on the lower end surface of the first base 1, and the housing of the second hydraulic cylinder is arranged in the hole of the lower end surface of the first base 1, the positioning column is inserted in the hole of the lower end surface of the first base 1, and the end of the piston rod of the second hydraulic cylinder is connected to the positioning column; the second hydraulic cylinder pushes out the positioning column, so that the device is suspended in the air, ensuring that the device will not move easily during the process of the long rod being poked into the tuyere rotation zone, thereby ensuring its operational reliability.

[0017] The pulling mechanism includes two winches 11; the winches 11 are symmetrically arranged on both sides of the upper end surface of the lifting platform 2 in the width direction; the upper end surface of the lifting platform 2 is symmetrically provided with two limit rings along its length direction, and the long rod 12 passes through the two limit rings; the limit ring provides a guide for the movement of the long rod 12, ensuring that it can enter the tuyere convolution zone straightly along the interface of the straight blowing pipe.

[0018] The rear striking part includes a following mechanism, a striking mechanism and a docking mechanism; the following mechanism supports one end of the long rod so that it can be pulled and moved by the winch; the striking mechanism provides explosive force for the end of the long rod; the docking mechanism provides a docking channel for the winch and the long board; the striking mechanism and the docking mechanism are both arranged on the following mechanism.

[0019] The following mechanism includes a second base 3, a third hydraulic cylinder 4, a lifting plate 5 and a second guide rod 6; walking wheels are arranged at the four corners of the lower end surface of the second base 3; a guide hole is arranged on the upper end surface of the second base 3; a second guide rod 6 is arranged on the lower end surface of the lifting plate 5, and the second guide rod 6 is inserted into the guide hole of the second base 3; the second guide rod 6 provides a guiding function for the lifting and lowering of the lifting plate 5; a hole is arranged at the top end of the second base 3, the shell of the third hydraulic cylinder 4 is arranged in the hole at the top end of the second base 3, and the end of the piston rod of the third hydraulic cylinder 4 is connected to the lower end surface of the lifting plate 5; the third hydraulic cylinder 4 drives the lifting plate 5 to take off and fall vertically.

[0020] The docking mechanism includes a docking tube 7 and a hanging ring 8; the docking tube 7 is arranged on the upper end surface of the lifting plate 5; the hanging rings 8 are symmetrically arranged on both sides of the outer wall of the docking tube 7; the ends of the wire rope of the winch 11 are provided with hooks, and the hooks corresponding to the two winches 11 are respectively docked with different hanging rings 8; a through hole is arranged in the center of the docking tube 7, and one end of the long rod 12 is inserted into the center hole of the docking tube 7, and the other end of the long rod 12 is inserted into the blast furnace from the straight blowing pipe; the two winches 11 drive the docking tube 7 to move, and the docking tube 7 drives the long rod 12 to move, and the long rod 12 moves forward and pokes into the tuyere whirlpool area; a limiting plate is arranged at one end of the central through hole of the docking tube 7, and a hole is arranged in the center of the limiting plate, and the diameter of the central hole of the limiting plate is smaller than the cross-sectional diameter of the long rod 12; the docking tube 7 pushes the long rod to move through the limiting plate, and the central hole of the limiting plate is used for the connecting rod at the end of the impact cylinder 9 to pass through.

[0021] The striking mechanism includes an impact cylinder 9 and a support plate 10; the support plate 10 is arranged on the side wall of the lifting plate 5, and the shell of the impact cylinder 9 is arranged on the upper end surface of the support plate 10; a connecting rod is arranged at the end of the piston rod of the impact cylinder 9, and the connecting rod passes through the center hole of the limit plate and contacts the end of the long rod 12; the impact cylinder continuously passes through the center hole of the limit plate through the connecting rod to strike the end of the long rod, providing an explosive striking force for the long rod, and providing power through the frustrating force when the long rod is blocked from moving forward.

[0022] Actual use process: the long rod passes through the limit ring on the lifting platform 2, and then pushes the first base 1 to move in front of the straight blowing pipe, and then starts the second hydraulic cylinder to lift the first base 1 to fix it on the ground; then starts the first hydraulic cylinder so that the end of the long rod 12 can be aligned with the port of the straight blowing pipe; then pushes the second base 3 to move to the end of the long rod 12 away from the straight blowing pipe, so that the docking tube 7 is sleeved on the end of the long rod; then pulls the wire rope hook of the winch, hooks the hanging ring 8 on the docking tube 7, and then starts the winch 11 to drive the long rod 12 forward into the wind outlet turning area. When the long rod 12 is blocked and cannot move forward, start the impact cylinder 9 to strike it forward, so that the long rod is moved forward until the long rod can no longer move forward. At this time, the long rod moves to the end of the turning area. At this time, draw a line at the junction of the long rod and the straight blowing pipe, and then remove the hook on the hanging ring 8, pull out the long rod, measure the length of the marked part and the end, and subtract the total length of the straight blowing pipe and the wind outlet sleeve combination to obtain the length of the wind outlet turning area.

Claims

1. A depth measuring device for a blast furnace tuyere raceway, characterized in that: The invention comprises a front pulling part and a rear striking part; the long rod (12) is arranged between the front pulling part and the rear striking part; the front pulling part comprises a pulling mechanism, a first base (1), a walking mechanism, a lifting platform (2), a first hydraulic cylinder and a first guide rod; the four corners of the lower end surface of the lifting platform (2) are provided with a first guide rod; the four corners of the upper end surface of the first base (1) are provided with a guide hole, and each guide hole is inserted with a first guide rod corresponding to the position; the upper end of the first base (1) is provided with a hole, and the first hydraulic cylinder is provided in the hole, and the end of the piston rod of the first hydraulic cylinder is connected to the center of the lower end surface of the lifting platform (2); the pulling mechanism is arranged on the upper end surface of the lifting platform (2), and the walking mechanism is arranged on the lower end surface of the first base (1).

2. The depth measuring device for the blast furnace tuyere raceway according to claim 1, characterized in that: The walking mechanism comprises walking wheels, a second hydraulic cylinder and a positioning column; the four corners of the lower end surface of the first base (1) are provided with walking wheels; the lower end surface of the first base (1) is evenly provided with a plurality of holes, and the housing of the second hydraulic cylinder is arranged in the hole of the lower end surface of the first base (1), the positioning column is inserted in the hole of the lower end surface of the first base (1), and the end of the piston rod of the second hydraulic cylinder is connected to the positioning column.

3. The depth measuring device for the blast furnace tuyere raceway according to claim 2, characterized in that: The pulling mechanism comprises two winches (11); the winches (11) are symmetrically arranged on both sides of the upper end surface of the lifting platform (2) in the width direction; the upper end surface of the lifting platform (2) is symmetrically provided with two limit rings along its length direction, and the long rod (12) passes through the two limit rings.

4. The depth measuring device for the blast furnace tuyere raceway according to claim 3, characterized in that: The rear striking part comprises a following mechanism, a striking mechanism and a docking mechanism; the striking mechanism and the docking mechanism are both arranged on the following mechanism; the following mechanism comprises a second base (3), a third hydraulic cylinder (4), a lifting plate (5) and a second guide rod (6); four corners of the lower end surface of the second base (3) are provided with walking wheels; the upper end surface of the second base (3) is provided with a guide hole; the lower end surface of the lifting plate (5) is provided with a second guide rod (6), and the second guide rod (6) is inserted into the guide hole of the second base (3); the top end of the second base (3) is provided with a hole, the shell of the third hydraulic cylinder (4) is arranged in the hole at the top end of the second base (3), and the end of the piston rod of the third hydraulic cylinder (4) is connected to the lower end surface of the lifting plate (5).

5. The depth measuring device for the blast furnace tuyere raceway according to claim 4, characterized in that: The docking mechanism comprises a docking tube (7) and a hanging ring (8); the docking tube (7) is arranged on the upper end surface of the lifting plate (5); the hanging rings (8) are symmetrically arranged on both sides of the outer wall of the docking tube (7); the ends of the wire ropes of the hoisting machines (11) are provided with hooks, and the hooks corresponding to the two hoists (11) are docked with different hanging rings (8) respectively; a through hole is arranged at the center of the docking tube (7), and one end of the long rod (12) is inserted into the center hole of the docking tube (7), and the other end of the long rod (12) is inserted into the blast furnace from the straight blowing pipe; a limiting plate is arranged at one end of the center through hole of the docking tube (7), and a hole is arranged at the center of the limiting plate, and the diameter of the center hole of the limiting plate is smaller than the cross-sectional diameter of the long rod (12).

6. The depth measuring device for the blast furnace tuyere raceway according to claim 5, characterized in that: The striking mechanism comprises an impact cylinder (9) and a support plate (10); the support plate (10) is arranged on the side wall of the lifting plate (5), and the shell of the impact cylinder (9) is arranged on the upper end surface of the support plate (10); a connecting rod is arranged at the end of the piston rod of the impact cylinder (9), and the connecting rod passes through the center hole of the limit plate and contacts the end of the long rod (12).

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