CN-116481328-B - Intermediate frequency furnace steel scrap baking device

Abstract

The invention belongs to the technical field of scrap steel baking, and discloses a scrap steel baking device of an intermediate frequency furnace. The steel scrap baking mechanism is arranged on a support platform and is also respectively connected with a gas pipeline assembly and an air pipeline assembly, the air pipeline assembly is connected with an induced draft pipeline assembly, the steel scrap baking mechanism comprises a lifting assembly, a bin cover and a baking bin which are sequentially arranged from top to bottom, the lifting assembly is arranged on the support platform through a lifting assembly support, the bin cover is arranged on the lifting assembly, the baking bins are arranged on the support platform, four burners are inserted into the periphery of each baking bin, the 4 burners are divided into upper layers and lower layers and are arranged on the baking bins according to circumferential tangential circles, and a guide assembly is arranged between the lifting assembly and the lifting assembly support, wherein the lifting assembly horizontally moves left and right in the lifting assembly support. Can heat steel scraps fast, retrieve the energy, reduce harmful substance emission, simple structure sets up rationally, the maintenance of being convenient for.

Inventors

• XU MING

Assignees

• 大连新瑞晨环保科技有限公司

Dates

Publication Date

20260508

Application Date

20230324

Claims (5)

1. 1. A steel scrap roasting device of an intermediate frequency furnace is characterized by comprising a steel scrap roasting mechanism, wherein the steel scrap roasting mechanism is arranged on a support platform (8), the steel scrap roasting mechanism is further connected with a gas pipeline assembly (9) and an air pipeline assembly (11) respectively, the air pipeline assembly (11) is connected with an induced air pipeline assembly (10), the steel scrap roasting mechanism comprises a lifting assembly (1), a bin cover (2) and a roasting bin (4) which are sequentially arranged from top to bottom, the lifting assembly (1) is arranged on the support platform (8) through a lifting assembly support (3), the bin cover (2) is arranged on the lifting assembly (1), the roasting bin (4) is arranged on the support platform (8), four burners (5) are inserted into the periphery of each roasting bin (4), the 4 burners (5) are arranged in an upper layer and a lower layer and are distributed on the roasting bin (4) according to circumference tangential circles, and a guide assembly for horizontally moving the lifting assembly (1) in the lifting assembly support (3) is arranged between the lifting assembly (1) and the lifting assembly support (3); the hoisting assembly (1) comprises a walking bracket (105), wherein an electric hoist (102) is arranged at the top of the walking bracket (105), the electric hoist (102) is fixed on the walking bracket (105) through a hanger (101), universal wheels are arranged at four corners of the bottom of the walking bracket (105), two universal wheels at the same side are connected through bearings, one universal wheel at each side is independently provided with a driving motor (104), and the output end of the driving motor (104) is connected with the universal wheels to realize driving; The guide assembly consists of a track arranged on the lifting assembly bracket (3) and a universal wheel on the lifting assembly (1); The bin cover (2) comprises a baking bin cover shell (202), wherein a lifting lug (204) is arranged at the center of the top of the baking bin cover shell (202), the lifting lug (204) is connected with the electric hoist (102), lifting lugs (203) are respectively arranged at two sides of the lifting lug (204), the two lifting lugs (203) are respectively connected with a manganese steel chain (103), and channel steel (201) is also arranged at two sides of the baking bin cover shell (202); The baking bin (4) comprises a furnace body (405), wherein a steel scrap discharging hopper (401) is arranged at the top of the furnace body (405), a furnace body base (407) and a steel scrap discharging door (410) are arranged at the bottom of the furnace body (405), the steel scrap discharging door (410) is connected with the furnace body (405) through steel scrap discharging door hanging lugs (408), burner bases (403) are arranged at the joints of the furnace body (405) and burners (5), a discharging channel is arranged on the furnace body base (407), the steel scrap discharging door (410) is arranged below the furnace body base (407), the steel scrap discharging door (410) is divided into a left discharging door and a right discharging door, a hydraulic push rod (6) and a locking component (7) are respectively arranged on the two discharging doors, and the discharging doors drive the hydraulic push rod (6) to realize telescopic movement to drive the discharging doors to open and close through the locking component (7); The air pipeline assembly (11) comprises an air pipeline, an air blower (1101) is arranged at the front end of the air pipeline, an air electric regulating valve (1103) and an air preheater (1002) are sequentially arranged on the air pipeline, the tail end of the air preheater (1002) is connected with an air pipeline (1104), an air branch pipe A (1105) and an air branch pipe B (1108) are respectively connected with the left side and the right side of the tail end of the air pipeline (1104) in a tapping mode, an air quick-cutting valve A (1106) is arranged on the air branch pipe A (1105), an air quick-cutting valve B (1107) is arranged on the air branch pipe B (1108), a plurality of air branch pipes A (1105) and air branch pipes B (1108) are respectively connected with a plurality of air branch pipes, the total number of the air branch pipes is consistent with the number of burners (5), and the air branch pipes A (1105) and the air branch pipes B (1108) are respectively connected with the burners (5) of different waste steel baking mechanisms in a corresponding mode.
2. 2. The intermediate frequency furnace steel scrap roasting device according to claim 1, wherein the number of the locking assemblies (7) is identical to that of the hydraulic pushing rods (6), the locking assemblies (7) comprise front flange type hydraulic cylinders (704), the front ends of the hydraulic rods of the front flange type hydraulic cylinders (704) are connected with locking plates (701), the locking plates (701) are connected with the bottoms of the hydraulic pushing rods (6), and the front flange type hydraulic cylinders (704) are fixed on a support platform (8) through supporting seats (702) and hexagon socket head cap bolts (703).
3. 3. The intermediate frequency furnace steel scrap roasting device as claimed in claim 2, wherein the gas pipeline assembly (9) is connected with each burner (5) respectively, the air pipeline assembly (11) is connected with each burner (5) respectively, the air pipeline assembly (10) is connected with the roasting bin (4), the air pipeline assembly (11) is connected with each burner (5) respectively, and the air pipeline assembly (10) is connected with the roasting bin (4).
4. 4. A scrap steel baking apparatus in an intermediate frequency furnace as claimed in claim 3 wherein the scrap steel baking mechanisms are provided in two groups.
5. 5. The intermediate frequency furnace steel scrap roasting device as claimed in claim 4, wherein the gas pipeline assembly (9) comprises a gas pipeline (901), a manual butterfly valve (902), a gas pressure transmitter (903), a gas quick-cutting valve C (904), a gas electric regulating valve (905) and a gas flowmeter (906) are sequentially arranged on the gas pipeline (901), a gas branch pipe A (907) and a gas branch pipe B (910) are respectively connected to the left side and the right side of the tail end of the gas pipeline (901), a gas quick-cutting valve A (908) is arranged on the gas branch pipe A (907), a gas quick-cutting valve B (909) is arranged on the gas branch pipe B (910), a plurality of gas branch pipes are respectively connected to the gas branch pipe A (907) and the gas branch pipe B (910), the total number of the gas branch pipes is identical to that of the burner (5), and the gas branch pipe A (907) and the gas branch pipe B (910) are respectively connected with the burner (5) of different steel scrap roasting mechanisms correspondingly.

Description

Intermediate frequency furnace steel scrap baking device Technical Field The invention belongs to the technical field of scrap steel baking, and relates to a scrap steel baking device of an intermediate frequency furnace. Background In the casting industry, an intermediate frequency induction furnace is adopted as production equipment for metal smelting, and the intermediate frequency furnace converts electric energy into heat energy by utilizing an electromagnetic induction principle and heats scrap steel to supply molten iron. The energy consumption of the intermediate frequency furnace accounts for about 75% of the total energy consumption of a foundry, and the reduction of the energy consumption of the intermediate frequency furnace plays a great role in the development of foundry enterprises. Aiming at the situation that part of foundry is provided with a small-sized blast furnace, blast furnace gas is used as a byproduct of blast furnace ironmaking, the utilization rate of the blast furnace gas is low, and how to fully utilize the part of blast furnace gas is urgent for creating economic benefits for enterprises. Disclosure of Invention The invention aims to overcome the defects in the background technology, and provides the intermediate frequency furnace scrap steel baking device which can rapidly heat scrap steel, recover energy, reduce harmful substance emission, and has the advantages of simple structure, reasonable arrangement and convenient maintenance. The technical scheme includes that the waste steel roasting device of the intermediate frequency furnace comprises a waste steel roasting mechanism, wherein the waste steel roasting mechanism is arranged on a support platform and is also connected with a gas pipeline assembly and an air pipeline assembly respectively, the air pipeline assembly is connected with an induced air pipeline assembly, the waste steel roasting mechanism comprises a lifting assembly, a bin cover and a roasting bin which are sequentially arranged from top to bottom, the lifting assembly is arranged on the support platform through a lifting assembly support, the bin cover is arranged on the lifting assembly, the roasting bin is arranged on the support platform, four burners are inserted into the periphery of each roasting bin, the 4 burners are divided into an upper layer and a lower layer and are arranged on the roasting bin according to circumferential tangential circles, and a guide assembly for horizontally moving the lifting assembly left and right in the lifting assembly support is arranged between the lifting assembly and the lifting assembly support. The hoisting assembly comprises a walking support, an electric hoist is arranged at the top of the walking support, the electric hoist is fixed on the walking support through a hanger, universal wheels are arranged at four corners of the bottom of the walking support, two universal wheels on the same side are connected through bearings, one of the universal wheels on each side is independently provided with a driving motor, and the output end of the driving motor is connected with the universal wheels to realize driving. The top of the walking bracket is also provided with two manganese steel chains which are respectively arranged at two sides of the electric hoist. The guide assembly consists of a track arranged on the lifting assembly bracket and a universal wheel on the lifting assembly. The bin cover comprises a baking bin cover shell, a lifting lug is arranged in the center of the top of the baking bin cover shell and connected with an electric hoist, lifting lugs are respectively arranged on two sides of the lifting lug and connected with a manganese steel chain, a plurality of stainless steel hooks and light castable are arranged in the baking bin cover shell, and channel steel is further arranged on two sides of the baking bin cover shell. Welding a stainless steel hook in the baking bin cover shell, and pouring a light castable in the baking bin cover shell. The lifting component realizes the up-and-down lifting of the bin cover by 100mm under the action of the electric hoist. The hoisting component moves left and right under the action of the driving motor. The baking bin comprises a furnace body, wherein a steel scrap discharging hopper is arranged at the top of the furnace body, a furnace body base and a steel scrap discharging door are arranged at the bottom of the furnace body, the steel scrap discharging door is connected with the furnace body through a steel scrap discharging door lifting lug, a light pouring material is arranged on the inner wall of the furnace body, a burner base is arranged at the joint of the furnace body and a burner, a discharging channel is arranged on the furnace body base, the steel scrap discharging door is arranged below the furnace body base, the steel scrap discharging door is divided into a left discharging door and a right discharging door, a hydraulic push rod and a locki