CN213203116U - Cold rolling annealing furnace for steel plate pretreatment - Google Patents
Cold rolling annealing furnace for steel plate pretreatment Download PDFInfo
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- CN213203116U CN213203116U CN202022213948.9U CN202022213948U CN213203116U CN 213203116 U CN213203116 U CN 213203116U CN 202022213948 U CN202022213948 U CN 202022213948U CN 213203116 U CN213203116 U CN 213203116U
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Abstract
The utility model relates to an annealing furnace equipment technical field especially relates to a cold rolling annealing stove of steel sheet preliminary treatment, including the casing and through the air pump that pipeline and casing are connected, the inside steel band that has run through of casing, casing one side is equipped with feed arrangement, feed arrangement one side is equipped with sets up the inside heating furnace of casing, both sides are equipped with the heating block about the heating furnace, the heating block runs through the base to be fixed on the casing, base one side is equipped with the energy supply pipe, heating furnace one side runs through there is the muffler, heating furnace one side is connected with first annealing stove through sealing device. The utility model discloses a with the hot-air suction heating furnace in the first annealing stove, improve the thermal efficiency of heating furnace, form the air current simultaneously and hinder hot-air entering first annealing stove, reduce the temperature in the first annealing stove, further anneal the steel sheet through the second annealing stove simultaneously, avoid the cooling rate too fast, the temperature fluctuation range is too big, influences the steel sheet performance.
Description
Technical Field
The utility model relates to an annealing furnace equipment technical field especially relates to a cold rolling annealing furnace of steel sheet preliminary treatment.
Background
The heat treatment after cold rolling is an important process in cold rolling production, the cold-rolled sheet is mostly low-carbon steel, the heat treatment after cold rolling is generally recrystallization annealing, the cold-rolled sheet is subjected to recrystallization annealing to reduce the hardness of steel, eliminate cold work hardening, improve the performance of steel, recover the plastic deformation capability of steel, eliminate residual stress, stabilize the size, reduce deformation and crack tendency, refine grains, adjust the structure and eliminate the structure defects, and the recrystallization annealing of the cold-rolled sheet is carried out in an annealing furnace.
Annealing refers to slowly heating the metal to a certain temperature, keeping the metal for a sufficient time, and then cooling the metal at a proper speed, the existing annealing furnace cooling refers to directly replacing a cooling cover after heating is finished, and the cooling speed at the initial cooling stage in the steel strip annealing process is often too high in the conventional annealing furnace cooling mode, so that the bonding problem of the thin steel strip is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defect of the prior art that the cooling of the steel strip is too fast, and providing a cold-rolling annealing furnace for steel plate pretreatment.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a cold rolling annealing furnace for steel plate pretreatment comprises a shell and an air pump connected with the shell through a pipeline, a steel belt penetrates through the shell, a feeding device is arranged on one side of the shell, a heating furnace arranged inside the shell is arranged on one side of the feeding device, heating blocks are arranged on the upper side and the lower side of the heating furnace, the heating blocks penetrate through and are fixed on the shell through a base, an energy supply pipe is arranged on one side of the base, a gas return pipe penetrates through one side of the heating furnace, the gas return pipe is communicated with the air pump, a first annealing furnace is connected to one side of the heating furnace through a sealing device, a pipeline communicated with the air pump penetrates through the first annealing furnace, a second annealing furnace is arranged on one side of the first annealing furnace, a partition plate is arranged between the first annealing furnace and the second annealing furnace, a weight is arranged at the bottom of the partition plate, and, the steel band offsets with the roller through the pouring weight, second annealing stove one side is equipped with the discharge gate, sealing door is installed through the spout to discharge gate one side.
Preferably, the feeding device comprises a supporting rod, a rolling wheel and a pressing wheel, a spring seat is arranged on the shell, the supporting rod is installed in the spring seat through the pressing spring, the pressing wheel is rotatably installed at the bottom end of the supporting rod, a steel belt is clamped between the pressing wheel and the rolling wheel, and a first motor is arranged on one side of the rolling wheel.
Preferably, an elbow is arranged at one end of the air return pipe penetrating into the heating furnace, and an outlet of the elbow inclines to one side of the sealing device.
Preferably, the sealing device comprises a second motor, a sealing spring and a sealing roller, a sliding groove matched with the sealing spring is formed in the shell, a sealing sliding column is arranged at the bottom of the sealing spring, the sealing sliding column and the sealing roller are both abutted to the steel belt, and an output shaft of the second motor is fixedly connected with the sealing roller.
Preferably, the upper side of the second annealing furnace is connected with a gas storage tank through a pipeline, and inert gas is filled in the gas storage tank.
Preferably, the partition plate is flat, the top of the partition plate is provided with a limiting block, and the bottom surface of the weight is a cylindrical curved surface.
The utility model has the advantages that:
compared with the prior art, the utility model discloses a with the hot-air suction heating furnace in the first annealing stove, improve the thermal efficiency of heating furnace, form the air current simultaneously and hinder in the hot-air gets into the first annealing stove, reduce the temperature in the first annealing stove, further anneal the steel sheet through the second annealing stove simultaneously, avoid the cooling rate too fast, the temperature fluctuation range is too big, influences the steel sheet performance.
Drawings
FIG. 1 is a schematic sectional view of a cold rolling annealing furnace for steel plate pretreatment according to the present invention;
FIG. 2 is a schematic top view of a cold-rolling annealing furnace for steel plate pretreatment according to the present invention;
FIG. 3 is a schematic view of the structure at A in FIG. 1;
fig. 4 is a schematic structural diagram at B in fig. 1.
In the figure: the device comprises a shell 1, a power supply pipe 2, a heating block 21, a base 22, an air pump 3, an air return pipe 31, a 311 elbow, a partition plate 4, a weight 41, an air storage tank 5, a discharge port 6, a sealing door 7, a second annealing furnace 8, a first annealing furnace 9, a roller 91, a sealing device 10, a second motor 101, a sealing spring 102, a sealing sliding column 103, a sealing roller 104, a heating furnace 11, a feeding device 12, a spring seat 121, a first motor 122, a supporting rod 123, a rolling wheel 124, a pressing wheel 125, a pressing spring 126 and a steel strip 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, a cold rolling annealing furnace for steel plate pretreatment, comprising a housing 1 and an air pump 3 connected with the housing 1 through a pipeline, a steel strip 13 penetrating through the interior of the housing 1, a feeding device 12 arranged on one side of the housing 1, a heating furnace 11 arranged in the housing 1 and arranged on one side of the feeding device 12, heating blocks 21 arranged on the upper and lower sides of the heating furnace 11, the heating blocks 21 penetrating through and fixed on the housing 1 through a base 22, an energy supply pipe 2 arranged on one side of the base 22, a return pipe 31 penetrating through one side of the heating furnace 11, the return pipe 31 communicating with the air pump 3, a first annealing furnace 9 connected with one side of the heating furnace 11 through a sealing device 10, a pipeline communicating with the air pump 3 penetrating through the first annealing furnace 9, a second annealing furnace 8 arranged on one side of the first annealing furnace 9, a partition plate 4 arranged between the first annealing furnace 9 and the second annealing furnace 8, a weight 41 arranged on the bottom of, the steel belt 13 is abutted against the roller 91 through the weight 41, the discharge port 6 is arranged on one side of the second annealing furnace 8, and the sealing door 7 is arranged on one side of the discharge port 6 through a sliding groove.
In this embodiment, the feeding device 12 includes a supporting rod 123, a rolling wheel 124 and a pressing wheel 125, a spring seat 121 is provided on the housing 1, the supporting rod 123 is installed in the spring seat 121 through a pressing spring 126, the pressing wheel 125 is rotatably installed at the bottom end of the supporting rod 123, a steel strip 13 is clamped between the pressing wheel 125 and the rolling wheel 124, a first motor 122 is provided on one side of the rolling wheel 124, and the pressing wheel 125 and the rolling wheel 124 in the feeding device 12 work together to pull the steel strip and send the steel strip into the annealing furnace.
Specifically, the return pipe 31 penetrates into one end of the heating furnace 11 and is provided with an elbow 311, an outlet of the elbow 311 inclines to one side of the sealing device 10, and the cooled high-temperature gas is blown out through the elbow 311 to block the high-temperature gas which is just generated, so that the high-temperature gas is prevented from directly entering the first annealing furnace 9, and the heat energy loss is reduced.
Specifically, the sealing device 10 includes a second motor 101, a sealing spring 102 and a sealing roller 104, a sliding groove adapted to the sealing spring 102 is formed in the housing 1, a sealing sliding column 103 is arranged at the bottom of the sealing spring 102, the sealing sliding column 103 and the sealing roller 104 are both abutted against the steel belt 13, and an output shaft of the second motor 101 is fixedly connected with the sealing roller 104.
Specifically, the upper side of the second annealing furnace 8 is connected with a gas storage tank 5 through a pipeline, inert gas is filled in the gas storage tank 5, and a steel strip in annealing cannot directly contact with air, so that surface oxidation is avoided, and therefore the inert gas needs to be filled in, and the surface oxidation is reduced.
Specifically, the partition plate 4 is flat-plate-shaped, the top of the partition plate is provided with a limiting block, the bottom surface of the weight 41 is a cylindrical curved surface, and the partition plate 4 separates the first annealing furnace 9 from the second annealing furnace 8 to reduce temperature fluctuation.
In this embodiment, the steel strip 13 is fed into the heating furnace 11 through the feeding device 12 for preheating, and then fed into the first annealing furnace 9 and the second annealing furnace 8 for annealing treatment, and simultaneously, inert gas is filled for cooling, so as to avoid oxidation of the metal surface.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The cold rolling annealing furnace for steel plate pretreatment comprises a shell (1) and an air pump (3) connected with the shell (1) through a pipeline, and is characterized in that a steel strip (13) penetrates through the inside of the shell (1), a feeding device (12) is arranged on one side of the shell (1), a heating furnace (11) arranged inside the shell (1) is arranged on one side of the feeding device (12), heating blocks (21) are arranged on the upper side and the lower side of the heating furnace (11), the heating blocks (21) are fixedly arranged on the shell (1) through a base (22), an energy supply pipe (2) is arranged on one side of the base (22), an air return pipe (31) penetrates through one side of the heating furnace (11), the air return pipe (31) is communicated with the air pump (3), a first annealing furnace (9) is connected with the first annealing furnace (9) through a sealing device (10), and a pipeline communicated with the air pump (3) is penetrated through the first annealing furnace (9), first annealing stove (9) one side is equipped with second annealing stove (8), be equipped with between first annealing stove (9) and the second annealing stove (8) baffle (4), baffle (4) bottom is equipped with pouring weight (41), first annealing stove (9) all are equipped with roller (91) with second annealing stove (8) bottom, steel band (13) offset through pouring weight (41) and roller (91), second annealing stove (8) one side is equipped with discharge gate (6), sealing door (7) are installed through the spout in discharge gate (6) one side.
2. The cold rolling annealing furnace for steel plate pretreatment according to claim 1, wherein the feeding device (12) comprises a support rod (123), a rolling wheel (124) and a pressing wheel (125), a spring seat (121) is formed on the housing (1), the support rod (123) is installed in the spring seat (121) through a pressing spring (126), the pressing wheel (125) is rotatably installed at the bottom end of the support rod (123), a steel strip (13) is clamped between the pressing wheel (125) and the rolling wheel (124), and a first motor (122) is arranged on one side of the rolling wheel (124).
3. The cold rolling annealing furnace for steel sheet pretreatment according to claim 1, wherein said return pipe (31) is provided with a bend (311) at an end penetrating into the heating furnace (11), and an outlet of said bend (311) is inclined toward the sealing means (10).
4. The cold rolling annealing furnace for steel plate pretreatment according to claim 1, wherein the sealing device (10) comprises a second motor (101), a sealing spring (102) and a sealing roller (104), a sliding groove matched with the sealing spring (102) is formed in the housing (1), a sealing sliding column (103) is arranged at the bottom of the sealing spring (102), the sealing sliding column (103) and the sealing roller (104) are both abutted against the steel strip (13), and an output shaft of the second motor (101) is fixedly connected with the sealing roller (104).
5. The cold rolling annealing furnace for steel plate pretreatment according to claim 1, wherein a gas storage tank (5) is connected to the upper side of the second annealing furnace (8) through a pipe, and the gas storage tank (5) is filled with inert gas.
6. The cold rolling annealing furnace for steel plate pretreatment according to claim 1, wherein the partition plate (4) has a flat plate shape and a stopper is provided at the top, and the bottom surface of the weight (41) has a cylindrical curved surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022213948.9U CN213203116U (en) | 2020-10-08 | 2020-10-08 | Cold rolling annealing furnace for steel plate pretreatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022213948.9U CN213203116U (en) | 2020-10-08 | 2020-10-08 | Cold rolling annealing furnace for steel plate pretreatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213203116U true CN213203116U (en) | 2021-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022213948.9U Active CN213203116U (en) | 2020-10-08 | 2020-10-08 | Cold rolling annealing furnace for steel plate pretreatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213203116U (en) |
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2020
- 2020-10-08 CN CN202022213948.9U patent/CN213203116U/en active Active
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