CN-117626152-B - Pre-heating pretreatment system for titanium alloy coiled plate process

CN117626152BCN 117626152 BCN117626152 BCN 117626152BCN-117626152-B

Abstract

The invention discloses a preheating pretreatment system of a titanium alloy coil plate process, which comprises a preheating constant temperature oven, wherein a preheating cavity is arranged in the preheating constant temperature oven, a constant temperature heating device is arranged in the preheating cavity, a titanium alloy plate display rack is arranged in the preheating cavity, a plurality of layers of horizontally placed titanium alloy coil plates are uniformly displayed on the titanium alloy plate display rack from bottom to top, each layer at least comprises three layers of titanium alloy coil plates which are distributed in parallel, a selective replenishment heating system is arranged on the titanium alloy plate display rack, the selective replenishment heating system can selectively perform independent replenishment heating on any displayed titanium alloy coil plate, and the temperature in the preheating cavity only needs to be increased to the temperature a and can allow the temperature a to float up and down, so that the requirement of a temperature control system in the preheating cavity is reduced, the aim of reducing cost is fulfilled, and meanwhile, the temperature a is obviously lower than the temperature b, so that the aim of continuous energy conservation is fulfilled.

Inventors

KUANG JIANFENG
SONG JING
LI YONGSHUI
GUAN XICHUN

Assignees

无锡市申锡船舶设备有限公司

Dates

Publication Date: 20260508
Application Date: 20231123

Claims (4)

1. The preheating pretreatment system for the titanium alloy coiled plate process is characterized by comprising a preheating constant temperature oven (1), wherein a preheating cavity (6) is arranged in the preheating constant temperature oven (1), a constant temperature heating device is arranged in the preheating cavity (6), a titanium alloy plate display rack (27) is arranged in the preheating cavity (6), a plurality of layers of horizontally placed titanium alloy coiled plates (2) are uniformly displayed on the titanium alloy plate display rack (27) from bottom to top, each layer at least comprises three layers of titanium alloy coiled plates (2) which are distributed in parallel, and a selective supplementary heating system is arranged on the titanium alloy plate display rack (27) and can selectively perform independent supplementary heating on any displayed titanium alloy coiled plates (2); The titanium alloy plate display rack (27) comprises first bearing transverse pipes (3 a) distributed from top to bottom in an equidistant array manner and second bearing transverse pipes (3 b) distributed from top to bottom in an equidistant array manner, wherein each first bearing transverse pipe (3 a) corresponds to one second bearing transverse pipe (3 b) with the same height, one first bearing transverse pipe (3 a) and one second bearing transverse pipe (3 b) with the same height jointly support three titanium alloy coils (2) to be coiled in parallel, and two ends of each titanium alloy coil (2) to be coiled in the length direction are respectively overlapped on the first bearing transverse pipe (3 a) and the second bearing transverse pipe (3 b) at the lower side; The two ends of each first bearing transverse tube (3 a) are respectively and fixedly connected with a first support column (18 a) and a fourth support column (18 d), and the two ends of each second bearing transverse tube (3 b) are respectively and fixedly connected with a second support column (18 b) and a third support column (18 c) The interiors of the first support column (18 a) and the second support column (18 b) are hollow structures for air guide; The selective supplementary heating system comprises air heaters (15) arranged between a first support column (18 a) and a second support column (18 b), wherein the air inlet ends of the air heaters (15) are communicated with the internal hollow structure of the first support column (18 a) through exhaust pipes (16), the hot air outlet ends of the air heaters (15) are communicated with the internal hollow structure of the second support column (18 b) through hot air outlet pipes (17), a circulating air pump is arranged on the air outlet pipes (17) or the exhaust pipes (16), air guide channels (14) along the length direction are arranged in the first support cross pipes (3 a) and the second support cross pipes (3 b), one ends of the air guide channels (14) in each first support cross pipe (3 a) are communicated with the internal hollow structure of the first support column (18 a), and one ends of the air guide channels (14) in each second support cross pipe (3 b) are communicated with the internal hollow structure of the second support column (18 b); The first bearing cross tube (3 a) and the second bearing cross tube (3 b) are respectively hollowed out with a first strip-shaped air port (12 a), a second strip-shaped air port (12 b) and a third strip-shaped air port (12 c) along the length direction at one side which is close to each other, a rotating shaft (8) is coaxially arranged in an air guide channel (14) in each of the first bearing cross tube (3 a) and the second bearing cross tube (3 b), a first gap column (10 a), a second gap column (10 b) and a third gap column (10 c) are integrally arranged outside the rotating shaft (8) along the length direction, and the outer walls of the first gap column (10 a), the second gap column (10 b) and the third gap column (10 c) are respectively in sliding or clearance fit with the inner wall of the air guide channel (14), and the first gap column (10 a), the second gap column (10 b) and the third gap column (10 c) are respectively corresponding to the first strip-shaped air port (12 a), the second gap column (12 b) and the third air guide channel (12 c), and the first gap column (10 a), the second gap column (10 b) and the third gap column (11 c) are respectively communicated with the air guide channel (11 c) along the length direction; under the axial view angle along the rotating shaft (8), the directions of the first air guide notch (11 a), the second air guide notch (11 b) and the third air guide notch (11 c) are staggered, and are distributed in a circumferential array.
2. The preheating pretreatment system of the titanium alloy coiled plate process according to claim 1, wherein when the rotating shaft (8) rotates to a certain state along the axis, the rotating shaft (8) has four states: When the first air guide notch groove (11 a), the second air guide notch groove (11 b) and the third air guide notch groove (11 c) are not communicated with the first strip-shaped air port (12 a), the second strip-shaped air port (12 b) and the third strip-shaped air port (12 c) respectively, the outer walls of the first notch column (10 a), the second notch column (10 b) and the third notch column (10 c) are used for blocking the first strip-shaped air port (12 a), the second strip-shaped air port (12 b) and the third strip-shaped air port (12 c) respectively; When the first air guide notch (11 a) of the first notch column (10 a) is communicated with the first strip-shaped air port (12 a), the outer column surfaces of the second notch column (10B) and the third notch column (10 c) respectively block the corresponding second strip-shaped air port (12B) and third strip-shaped air port (12 c); when the second air guide notch groove (11 b) of the second notch column (10 b) is communicated with the second strip-shaped air port (12 b), the outer column surfaces of the first notch column (10 a) and the third notch column (10C) respectively block the corresponding first strip-shaped air port (12 a) and the third strip-shaped air port (12C); and in the D state, when the third air guide notch (11 c) of the third notch column (10 c) is communicated with the third strip-shaped air port (12 c), the outer column surfaces of the first notch column (10 a) and the second notch column (10 b) respectively block the second strip-shaped air port (12 b) and the third strip-shaped air port (12 c) which correspond to each other.
3. The preheating pretreatment system for the titanium alloy coiled plate process according to claim 2, wherein each rotating shaft (8) is driven by an independent motor (5), a hole blocking column (9) is coaxially arranged outside one end, close to the motor (5), of each rotating shaft (8), the hole blocking column (9) is blocked at one end, close to the motor (5), of an air guide channel (14), and the inner wall surface of the air guide channel (14) of the hole blocking column (9) is in sliding or clearance fit.
4. The method for operating a preheating pretreatment system for a titanium alloy coiled sheet process according to claim 3, wherein the two temperatures are preset, namely a temperature a and a temperature b, wherein the temperature a is higher than the temperature b, the preheating cavity (6) is firstly heated to the temperature a, and a first titanium alloy coiled sheet 2 to be taken out is marked as a titanium alloy coiled sheet 2a to be taken out; Then, a group of first bearing transverse pipes (3 a) and second bearing transverse pipes (3 b) on the upper side of the titanium alloy to be rolled (2 a) to be taken out and a group of rotating shafts (8) in the first bearing transverse pipes (3 a) and the second bearing transverse pipes (3 b) on the lower side of the titanium alloy to be rolled (2 a) to be taken out are all in a D state, all the other rotating shafts (8) are all in an A state, and a circulating air pump and an air heater (15) are started until the titanium alloy to be rolled (2 a) to be taken out is independently heated to a temperature b.

Description

Pre-heating pretreatment system for titanium alloy coiled plate process Technical Field The invention belongs to the field of titanium alloy processing and preheating treatment. Background In order to prevent rebound when the TC4 titanium alloy is rolled into a tubular structure under the actual processing condition, the TC4 titanium alloy needs to be heated to the vicinity of 280 ℃ before the rolling processing; in order to solve the problem of uniform heat of flaming, adopting a constant-temperature oven structure, uniformly putting all the titanium alloy plates to be rolled to be processed into a constant-temperature oven at 280 ℃, and directly taking out one piece of titanium alloy plates from the constant-temperature oven when the titanium alloy plates are required to be processed; However, the constant temperature oven has great energy waste for maintaining the overall high temperature and constant temperature of 280 ℃ in the oven body, and only one titanium alloy sheet taken out of the oven is required to reach 280 ℃ in each processing, and the rest is not taken out temporarily and does not need to rise to 280 ℃, so that the oven type heat pretreatment process has great energy-saving space. Disclosure of Invention The invention aims to overcome the defects in the prior art, and provides a preheating pretreatment system for a titanium alloy coiled plate process, which can achieve the purpose of independently heating up to the temperature b of a titanium alloy coiled plate to be taken out. The preheating pretreatment system comprises a preheating constant-temperature oven, a preheating cavity is arranged in the preheating constant-temperature oven, a constant-temperature heating device is arranged in the preheating cavity, a titanium alloy plate display rack is arranged in the preheating cavity, a plurality of layers of horizontally placed titanium alloy plates to be coiled are uniformly displayed on the titanium alloy plate display rack from bottom to top, each layer at least comprises three layers of horizontally placed titanium alloy plates to be coiled, a selective supplementary heating system is arranged on the titanium alloy plate display rack, and the selective supplementary heating system can selectively perform independent supplementary heating on any displayed titanium alloy plate to be coiled. Further, the titanium alloy plate display rack comprises first bearing transverse pipes distributed from top to bottom in an equidistant array manner and second bearing transverse pipes distributed from top to bottom in an equidistant array manner, each first bearing transverse pipe corresponds to one second bearing transverse pipe with the same height, one first bearing transverse pipe and one second bearing transverse pipe with the same height jointly support three titanium alloy plates to be rolled in parallel, and two ends of each titanium alloy plate to be rolled in the length direction are respectively placed on the first bearing transverse pipe and the second bearing transverse pipe on the lower side. Further, two ends of each first bearing transverse tube are respectively and fixedly connected with a first support column and a fourth support column, and two ends of each second bearing transverse tube are respectively and fixedly connected with a second support column and a third support column. The first support column and the second support column are hollow structures for guiding air; The selective supplementary heating system comprises air heaters arranged between a first support column and a second support column, wherein the air inlet ends of the air heaters are communicated with the inner hollow structure of the first support column through exhaust pipes, the hot air outlet ends of the air heaters are communicated with the inner hollow structure of the second support column through hot air outlet pipes, circulating air pumps are arranged on the air outlet pipes or the exhaust pipes, air guide channels in the length direction are arranged in the first bearing transverse pipes and the second bearing transverse pipes, one ends of the air guide channels in the first bearing transverse pipes are communicated with the inner hollow structure of the first support column, and one ends of the air guide channels in the second bearing transverse pipes are communicated with the inner hollow structure of the second support column. The first bearing transverse tube and the second bearing transverse tube are respectively hollowed out with a first strip-shaped air port, a second strip-shaped air port and a third strip-shaped air port along the length direction at the sides close to each other, a rotating shaft is coaxially arranged in an air guide channel in each of the first bearing transverse tube and the second bearing transverse tube, a first notch column, a second notch column and a third notch column are integrally arranged outside the rotating shaft along the length direction, the outer walls of th