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CN-121992329-A - Galvanized pipe cooling passivation equipment

CN121992329ACN 121992329 ACN121992329 ACN 121992329ACN-121992329-A

Abstract

The invention discloses cooling and passivating equipment for a galvanized pipe, and relates to the technical field of hot galvanizing. The device comprises a device main body, wherein a cooling pool, a passivation pool and a secondary passivation device are sequentially arranged at the top of the device main body, a driving assembly is arranged at the top of the device main body, a placement assembly for placing a square tube is arranged at the moving end of the driving assembly, the secondary passivation device comprises a passivation pool arranged at the top of the device main body, a shell fixed at the top of the device main body and a pump fixed at the outer wall of the device main body, and a filter screen is fixed above the inner wall of the passivation pool. According to the invention, through the arrangement of the secondary passivation device, the passivation solution is sprayed on the surface of the square tube with the rotary spray tube, so that the secondary passivation operation on the surface of the square tube is realized, the passivation solution can be uniformly distributed, each corner of the square tube is covered, the passivation effect is enhanced, and the spraying leakage phenomenon is reduced.

Inventors

  • GUO QINGFENG
  • WU YONGRUI
  • HUO LIYONG
  • ZHANG HONGXIAO
  • ZHAO HAIYANG
  • CUI ZHIYE

Assignees

  • 宁夏建龙龙祥钢铁有限公司
  • 宁夏建龙特钢有限公司

Dates

Publication Date
20260508
Application Date
20260410

Claims (10)

  1. 1. The galvanized pipe cooling passivation device comprises a device main body (1), and is characterized in that a cooling tank (2), a passivation tank (3) and a secondary passivation device (6) are sequentially arranged at the top of the device main body (1), a driving assembly (4) is arranged at the top of the device main body (1), a placing assembly (5) for placing square tubes is arranged at the moving end of the driving assembly (4), the secondary passivation device (6) comprises a passivation tank (61) arranged at the top of the device main body (1), a shell (63) fixed at the top of the device main body (1) and a pump (64) fixed at the outer wall of the device main body (1), a filter screen (62) is fixed above the inner wall of the passivation tank (61), an L-shaped main pipe (65) is fixed at the top of the pump (64), the L-shaped main pipe (65) is fixed at the inner wall of the shell (63), a plurality of spraying pipes (68) are uniformly and rotatably arranged at the outer wall of the L-shaped main pipe (65), a plurality of driving pulleys (67) are fixed at the outer wall of the shell (63), one driving pulley (67) is connected with the other driving pulley (67), the output end of the driving motor (66) is fixedly provided with a belt pulley II (69), and the belt pulley II (69) is connected with a belt pulley I (67) corresponding to a spraying pipe (68) at one side through belt transmission.
  2. 2. The galvanized pipe cooling passivation device according to claim 1, wherein the driving assembly (4) comprises a beam frame (41) fixed at the top of the device main body (1), a screw (42) is rotatably connected to the inside of the beam frame (41), the screw (42) is driven by a motor, a screw block (43) is connected to the outside thread of the screw (42), the screw block (43) is slidably mounted in the inside of the beam frame (41), and the screw block (43) is the driving end of the driving assembly (4).
  3. 3. The galvanized pipe cooling passivation device according to claim 2, wherein the placement component (5) comprises an electric push rod (51) fixed at the screw block (43), a groove plate (52) is fixed at the bottom of a telescopic end of the electric push rod (51), a plurality of grooves are formed in the side wall of the groove plate (52), a connecting plate (53) is vertically and slidably installed in the grooves of the groove plate (52), springs are arranged between the connecting plate (53) and the grooves of the groove plate (52), a plurality of U-shaped frames (56) are uniformly and equidistantly fixed at the top of the connecting plate (53), placement columns (54) are hinged to the inner portions of the U-shaped frames (56), a baffle piece (55) is fixed at the outer wall of each placement column (54), and the baffle piece (55) is used for limiting the position of the square pipe at the placement column (54).
  4. 4. The galvanized pipe cooling passivation device according to claim 3, wherein the inside of the placement column (54) is transversely penetrated and is provided with an inserting rod (58) in a sliding manner, one side, far away from the U-shaped frame (56), of the inserting rod (58) is fixedly provided with a sleeve (57), a spring is arranged between the sleeve (57) and the outer wall of the placement column (54), and a slot matched with the inserting rod (58) is formed in the inner wall of the U-shaped frame (56).
  5. 5. The galvanized pipe cooling passivation device according to claim 4, characterized in that the secondary passivation device (6) further comprises a sliding plate (610) vertically installed inside the shell (63) in a sliding mode, springs are arranged between the sliding plate (610) and the inner wall of the shell (63), a plurality of elastic expansion plates (611) are uniformly and equidistantly fixed on the top of the sliding plate (610), round groove plates (612) are fixed at the expansion ends of the elastic expansion plates (611), round grooves matched with the sleeves (57) are formed in the outer wall of the round groove plates (612), and arc block wheels (613) are fixed at the outer wall of a belt pulley I (67) corresponding to the spray pipe (68) on one side.
  6. 6. The galvanized pipe cooling passivation device according to claim 5, characterized in that an arc block is fixed at the outer wall of the arc block wheel (613), and the bottom of the sliding plate (610) is located on the arc block movement track of the arc block wheel (613).
  7. 7. The galvanized pipe cooling passivation device according to claim 1, wherein a purging device (7) is arranged in the shell (63), the purging device (7) comprises a vertical frame (71) fixed at the top of the inner wall of the shell (63), an air pipe (72) is fixed at the bottom of the vertical frame (71), the air pipe (72) is connected with an external air source, the air pipe (72) is in a wavy shape, a plurality of connecting pipes (73) are uniformly and equidistantly fixed at the bottom of the air pipe (72), fixing rings (74) are fixedly arranged at the bottom of the connecting pipes (73), the fixing rings (74) are staggered, a ring pipe (75) is rotatably arranged at the inner wall of the fixing rings (74), a plurality of blades (77) are uniformly fixed at the circumference of the inner wall of the ring pipe (75), and a plurality of inclined air nozzles (76) are uniformly fixed at the circumference of one side of the ring pipe (75) close to the spray pipe (68).
  8. 8. A galvanized pipe cooling passivation apparatus according to claim 7, characterized in that the collar (75) communicates with the inside of the air pipe (72) through a connecting pipe (73).
  9. 9. The galvanized pipe cooling passivation device according to claim 3, wherein the cooling tank (2) and the passivation tank (3) are provided with jacking devices (8), the jacking devices (8) comprise two I-shaped rods (81) which are respectively fixed on two sides of the device main body (1), a plurality of I-shaped push rods (82) are slidably arranged between the outer walls of the two I-shaped rods (81), and springs are arranged between the I-shaped push rods (82) and the I-shaped rods (81).
  10. 10. The cooling and passivating apparatus for galvanized pipe according to claim 9, characterized in that said placement post (54) is positioned on a rail motion path of a rectangular push rod (82).

Description

Galvanized pipe cooling passivation equipment Technical Field The invention relates to the technical field of hot galvanizing, in particular to cooling and passivating equipment for a galvanized pipe. Background The galvanized pipe passivation device is a professional device for treating the surface of a galvanized pipe, and a stable passivation film is formed mainly by dipping passivation liquid. The film can effectively prevent rust, enhance the corrosion resistance of the galvanized pipe and prolong the service life of the galvanized pipe. The equipment is simple and convenient to operate, has high efficiency, and is widely applied to a plurality of fields such as construction, automobiles, industry and the like, and the galvanized pipe is ensured to keep good performance in various environments. The Chinese patent with the patent publication number of CN116463576B discloses a galvanized pipe cooling passivation device, which comprises a supporting table and a supporting frame, wherein the supporting table is arranged at the top of the supporting frame and is fixedly connected with the top of the supporting frame, the galvanized pipe cooling passivation device further comprises a rotating support, the rotating support is arranged at the center of the top of the supporting frame, a positioning box is fixedly connected to the side face of a rotating part of the rotating support, the positioning box is used for accommodating workpieces, the rotating support is used for driving the positioning box and a workpiece switching station in the positioning box, an air cooling device is arranged above the rotating support, the bottom of the air cooling device is fixedly connected with the supporting table through a connecting support, and the air cooling device is used for primarily cooling the workpieces in the positioning box and relates to the technical field of hot galvanizing cooling. This galvanized pipe cooling passivation equipment, the convenient operation of automatic transport, cooling and unloading that realizes the material need not artifical manual control, convenient to use to the cooling efficiency of device is higher. However, the conventional passivation equipment has the problems that when the passivation equipment is used for performing square tube passivation operation, the square tube is inconvenient to perform secondary passivation operation on a galvanized square tube, in the process of the square tube secondary passivation operation, the spray heads of the conventional spray type equipment are unreasonable in layout, passivation liquid cannot be effectively sprayed to the corners of the square tube, so that the uniformity of the passivation film is poor, and the treatment efficiency of the soaking type equipment is low, so that the passivation liquid is seriously wasted. Disclosure of Invention Aiming at the defects of the prior art, the invention provides galvanized pipe cooling and passivating equipment, which solves the problems in the background art. The galvanized pipe cooling passivation device comprises a device main body, wherein a cooling tank, a passivation tank and a secondary passivation device are sequentially arranged at the top of the device main body, a driving assembly is arranged at the top of the device main body, a placing assembly for placing square pipes is arranged at the moving end of the driving assembly, the secondary passivation device comprises a passivation liquid tank arranged at the top of the device main body, a shell fixed at the top of the device main body and a pump fixed at the outer wall of the device main body, a filter screen is fixed above the inner wall of the passivation liquid tank, a liquid inlet end of the pump extends to the inside of the passivation liquid tank, an L-shaped main pipe is fixed at the top of the pump, the L-shaped main pipe is fixed at the inner wall of the shell, a plurality of spraying pipes are uniformly and equidistantly arranged at the outer wall of the L-shaped main pipe in a rotating mode, a belt pulley I is fixed at the outer portion of each spraying pipe, two adjacent belt pulleys I are connected through a belt transmission, a driving motor is fixed at the outer wall of the shell, a belt pulley II is fixed at the output end of the driving motor, and the belt pulley II is correspondingly connected with the first belt pulley and one side of the second belt pulley through the belt transmission pipe. According to the technical scheme, the drive assembly comprises a beam frame fixed at the top of the equipment main body, the inside of the beam frame is rotationally connected with a screw rod, the screw rod is driven by a motor, the external thread of the screw rod is connected with a screw block, the screw block is slidably mounted in the beam frame, and the screw block is the drive end of the drive assembly. According to the technical scheme, place the subassembly including fixing the electric putter in spiral shell piece dep