CN219156933U - Preheating equipment of annealing furnace for cold-rolled sheet - Google Patents
Preheating equipment of annealing furnace for cold-rolled sheet Download PDFInfo
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- CN219156933U CN219156933U CN202223240330.7U CN202223240330U CN219156933U CN 219156933 U CN219156933 U CN 219156933U CN 202223240330 U CN202223240330 U CN 202223240330U CN 219156933 U CN219156933 U CN 219156933U
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Abstract
The utility model discloses preheating equipment of an annealing furnace for cold-rolled sheets, which relates to the technical field of preheating equipment and comprises the following components: the heat storage frame is a cylinder with a deep groove, the bottom of the heat storage frame is fixedly connected with a chassis, the left side of the chassis is fixedly connected with a bottom plate, the bottom plate and the bottom of the chassis are respectively and fixedly connected with supporting legs, and the top of the chassis is fixedly connected with a fan. According to the utility model, the fan is electrified, waste heat in the annealing furnace is blown into the connecting pipe through the fan, gas blown by the fan enters the square connecting pipe through the connecting pipe, the square connecting pipes are connected together, the moving time of the gas in the heating frame is prolonged, after the circular heating wire is electrified, the heating frame is heated through the circular heating wire, and when the waste heat gas in the annealing furnace flows through the square connecting pipe, the heat of the gas is increased through the circular heating wire.
Description
Technical Field
The utility model relates to the technical field of preheating equipment, in particular to preheating equipment of an annealing furnace for cold-rolled sheets.
Background
The post-rolling heat treatment is an important process in cold rolling production, the cold-rolled sheet is mostly low-carbon steel, the post-rolling heat treatment is usually recrystallization annealing, the cold-rolled sheet achieves the purposes of reducing the hardness of steel, eliminating cold work hardening, improving the performance of steel, recovering the plastic deformation capability of steel, eliminating residual stress, stabilizing the size, reducing deformation and crack tendency, refining grains, adjusting the structure and eliminating structure defects through the recrystallization annealing, and the recrystallization annealing of the cold-rolled sheet is carried out in an annealing furnace;
the cold-rolled sheet after heat treatment needs to be slowly cooled, when the existing annealing furnace is used for annealing treatment, the annealing furnace needs to be preheated, the influence on the annealing efficiency due to the fact that the temperature inside the annealing furnace is low is avoided, and when the temperature inside the annealing furnace is low, the preheating of the annealing furnace is slow, and the work efficiency is influenced, so that the preheating equipment of the annealing furnace for the cold-rolled sheet is provided
Disclosure of Invention
In order to solve the technical problems, the utility model provides preheating equipment of an annealing furnace for cold-rolled sheets, comprising:
the heat storage frame is a cylinder with a deep groove, the bottom of the heat storage frame is fixedly connected with a chassis, the left side of the chassis is fixedly connected with a bottom plate, the bottom plate and the bottom of the chassis are respectively and fixedly connected with supporting legs, and the top of the chassis is fixedly connected with a fan;
the heating frame is a cylinder, the left side of the heating frame is communicated with an elbow, and the right side of the heating frame is communicated with a connecting pipe;
an annealing furnace is fixedly connected to the top of the inner wall of the heat storage frame, a drainage mechanism is arranged in the heat storage frame, and a heating mechanism is arranged in the heating frame;
the heating mechanism comprises a circular heating wire, a square connecting pipe and a round block, wherein the circular heating wire is fixedly connected with the inner wall of a heating frame, the annealing furnace is arranged in the heat storage frame, a fan is communicated with the inside of the annealing furnace, the end part of the connecting pipe is communicated with the inside of the annealing furnace, so that heat in the annealing furnace can enter the inside of the heating frame through the connecting pipe, heat in the annealing furnace enters the inside of the heat storage frame through the bent pipe, and the annealing furnace is preheated through waste heat, and the end part of the square connecting pipe is communicated with the round block.
Further, the left side of square connecting pipe is through the inner wall fixed connection of button and return bend, the right side of square connecting pipe is through the inner wall fixed connection of button and connecting pipe, square connecting pipe sets up inside the ring of ring heater strip.
Further, one end of the bent pipe far away from the heating frame penetrates through the inside of the heat storage frame and is communicated with the inside of the heat storage frame, one end of the connecting pipe far away from the heating frame is communicated with the inside of the annealing furnace, and the air outlet end of the fan is communicated with the inside of the annealing furnace.
Further, a broken hole is formed in the center of the connecting pipe, a circular ring pipe is arranged in the broken hole, a purifying mechanism is arranged in the left side of the circular ring pipe, the broken hole is formed in the center of the connecting pipe, the end part of the circular ring pipe is in contact with the inner wall of the broken hole, the circular ring pipe is fixed in the broken hole through a threaded hole frame and is communicated with the connecting pipe, a filtering mechanism is arranged in the right side of the circular ring pipe, and the surface of the connecting pipe is in threaded connection with the threaded hole frame;
the number of the threaded hole frames is two, one ends of the threaded hole frames, which are close to each other, are in sliding connection with the surface of the circular ring pipe, and the two side ends of the circular ring pipe are in contact with the inner wall of the broken hole.
Further, the circular ring pipe comprises an active carbon filter screen, an extrusion block and a groove, wherein the extrusion block is fixedly connected with the inner wall of the circular ring pipe, the surface of the active carbon filter screen is provided with the groove, the surface of the extrusion block is contacted with the inner wall of the groove to fix the active carbon filter screen, the active carbon filter screen is convenient to detach and install, and the surface of the active carbon filter screen is provided with the groove;
the active carbon filter screen sets up in the inside of ring canal, the surface of extrusion piece contacts with the inner wall of recess.
Further, the filter mechanism comprises a threaded circular plate, a round rod, a pressing plate, a spring, a clamping block, a fixed plate, a movable plate, a filter screen, a circular ring frame, a clamping groove and a circular hole frame, wherein the threaded circular plate is fixedly connected with the inner wall of a connecting pipe, the surface of the circular ring frame is in threaded connection with the inner wall of the threaded circular plate, the clamping groove is formed in the inner wall of the circular ring frame, the round rod is fixedly connected with the threaded circular plate through the fixed plate and the inner wall of the circular ring frame, the surface of the circular ring frame is in threaded connection with the inner wall of the threaded circular plate, the filter screen is convenient to detach and install through the circular ring frame, the circular ring frame is convenient to twist through the circular rod, the circular hole frame is in rotary connection with the surface of the clamping block through the movable plate, the filter screen is arranged in the clamping groove, and one end of the circular rod, which is far away from the fixed plate, is fixedly connected with the pressing plate.
The round hole frame is fixedly connected with the surface of the pressing plate through a spring.
Further, the clamping block is arranged in the clamping groove, the surface of the clamping block is in contact with the surface of the filter screen, the inner wall of the round hole frame is in contact with the surface of the round rod, and the clamping block is arc-shaped.
Further, the drainage mechanism comprises a baffle, a spiral arc plate, an air core rod, air holes and an exhaust mechanism, wherein the spiral arc plate is fixedly connected with the surface of the annealing furnace, the top of the spiral arc plate is fixedly connected with the baffle, the bottom of the air core rod is fixedly connected with the top of the chassis, the top of the baffle is fixedly connected with the top of the inner wall of the heat storage rack, the top of the air core rod is fixedly connected with the surface of the spiral arc plate, the surface of the air core rod is provided with the air holes, so that gas with low temperature can conveniently enter the inside of the air core rod through the air holes, the surface of the air core rod is fixedly connected with the end part of the spiral arc plate, the surface of the air core rod is provided with the air holes, and the bottom of the air core rod is provided with the exhaust mechanism;
one end of the spiral arc plate, which is far away from the annealing furnace, is fixedly connected with the inner wall of the heat storage frame, the top of the baffle is fixedly connected with the top of the inner wall of the heat storage frame, and the bottom of the hollow rod penetrates through the chassis and extends to the outer end of the bottom of the chassis.
Further, the exhaust mechanism comprises a positioning frame, an air hole circular plate, a threaded hole, air-permeable cotton, an elastic rod and a top plate, wherein the positioning frame is communicated with the interior of the air core rod, one end of the positioning frame, which is far away from the air core rod, is provided with the threaded hole, the top plate is fixedly connected with the inner wall of the positioning frame through the elastic rod, the positioning frame is arranged at the bottom of the air core rod, the air hole circular plate is fixedly connected with the inner wall of the threaded hole through threads, so that air in the air core rod is discharged out of the interior of the heat storage frame through the air hole circular plate, the interior of the heat storage frame with low temperature accumulation of air is avoided, the preheating efficiency is reduced, and the air-permeable cotton is arranged in the interior of the positioning frame;
the surface of the air hole circular plate is in threaded connection with the inner wall of the threaded hole, the air-permeable cotton is in contact with the surface of the top plate, and one end of the air-permeable cotton, which is far away from the top plate, is in contact with the air hole circular plate.
The utility model has the beneficial effects that:
according to the utility model, the fan is electrified, waste heat in the annealing furnace is blown into the connecting pipe through the fan, the gas blown by the fan enters the square connecting pipe through the connecting pipe, the square connecting pipes are connected together, the moving time of the gas in the heating frame is prolonged, after the circular heating wire is electrified, the circular heating wire is used for heating the inside of the heating frame, when the waste heat gas in the annealing furnace flows through the square connecting pipe, the heat of the gas is increased through the circular heating wire, the gas enters the heat storage frame through the bent pipe to store the hot gas, and the hot gas is stored in the heat storage frame to be in contact with the surface of the annealing furnace, so that the temperature of the annealing furnace is not rapidly reduced, and the annealing furnace is conveniently preheated.
According to the utility model, after the circular ring pipe is placed in the broken hole, the threaded hole frame is twisted to move towards the surface of the circular ring pipe to fix the circular ring pipe, one end, which is contacted with the inner wall of the broken hole, of the circular ring pipe is arranged in the threaded hole frame to increase the tightness, the threaded hole frame moves towards the surface of the connecting pipe to be separated from the surface of the circular ring pipe, so that the circular ring pipe is convenient to take out the broken hole, the active carbon filter screen is arranged on the left side of the inside of the circular ring pipe to purify and filter gas in the annealing furnace, and the environmental protection property is increased when the gas in the annealing furnace is discharged.
According to the utility model, after the ring pipe is disassembled and removed from the inside of the broken hole, the ring frame is disassembled and installed by twisting the round rod, after the end surface of the filter screen is contacted with the inner wall of the clamping groove, the filter network card is arranged in the clamping groove by extrusion of the clamping block, the round hole frame slides on the surface of the round rod through elasticity of the spring, the movable plate extrudes the clamping block into the clamping groove through the round hole frame, so that the tension of the filter screen is increased, and when gas flows in the ring pipe, impurities in the gas are filtered through the filter screen, and the environmental protection of the gas after discharge is improved.
After the heated gas enters the heat storage frame through the bent pipe, the gas in the heat storage frame is continuously increased to be in contact with the surface of the baffle plate, the gas spirally moves downwards on the surface of the annealing furnace through the spiral arc plate, the phenomenon that the preheating efficiency of the annealing furnace is reduced due to the fact that the gas with lower temperature is deposited below the heat storage frame is avoided, the gas in the heat storage frame is continuously conveyed into the hollow rod through the bent pipe, the gas with lower temperature is discharged out of the heat storage frame through extrusion, and the convenience of preheating is improved.
According to the heat storage rack, the top plate is extruded by the elastic rod to enable the air-permeable cotton, the compactness is improved by extrusion of the top plate, the gas discharge speed in the heat storage rack is reduced, the phenomenon that the heat of gas cannot be fully utilized due to the fact that the gas discharge speed is high is avoided, and the air hole circular plate is in threaded connection with the threaded hole so as to be convenient to detach.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of a cross-sectional elevation structure of a heat storage rack of the present utility model;
FIG. 3 is a schematic top cross-sectional view of the heating rack of the present utility model;
FIG. 4 is a schematic diagram of a cross-sectional front view of a connecting tube according to the present utility model;
FIG. 5 is a schematic diagram of the overall structure of the activated carbon filter screen of the present utility model;
FIG. 6 is a schematic diagram of a cross-sectional elevation view of a threaded circular plate of the present utility model;
FIG. 7 is a schematic view of the overall structure of the spiral arc plate of the present utility model;
fig. 8 is a schematic diagram of a front cross-sectional structure of a positioning frame according to the present utility model.
1. A heat storage rack; 2. a blower; 3. a chassis; 4. a support leg; 5. a bottom plate; 6. a heating rack; 7. bending the pipe; 10. a heating mechanism; 11. a connecting pipe; 12. annealing furnace; 13. a drainage mechanism; 20. a circular ring heating wire; 21. square connecting pipes; 22. round blocks; 30. breaking holes; 31. a circular ring pipe; 32. a threaded hole frame; 33. a purifying mechanism; 34. a filtering mechanism; 40. an active carbon filter screen; 41. extruding a block; 42. a groove; 50. a threaded circular plate; 51. a round bar; 52. a pressing plate; 53. a spring; 54. a clamping block; 55. a fixing plate; 56. a movable plate; 57. a filter screen; 58. a ring frame; 59. a clamping groove; 60. a round hole frame; 70. a baffle; 71. a spiral arc plate; 72. a hollow rod; 73. air holes; 74. an exhaust mechanism; 80. a positioning frame; 81. an air hole circular plate; 82. a threaded hole; 83. breathable cotton; 84. an elastic rod; 85. and a top plate.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the detailed description. The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Example 1
Referring to fig. 1 to 7, the present utility model is a preheating apparatus of an annealing furnace for cold-rolled sheet, comprising:
the heat storage rack 1 is a cylinder with a deep groove, the bottom of the heat storage rack 1 is fixedly connected with a chassis 3, the left side of the chassis 3 is fixedly connected with a bottom plate 5, the bottoms of the bottom plate 5 and the chassis 3 are respectively and fixedly connected with a supporting leg 4, and the top of the chassis 3 is fixedly connected with a fan 2;
the heating frame 6 is a cylinder, the left side of the heating frame 6 is communicated with the bent pipe 7, and the right side of the heating frame 6 is communicated with the connecting pipe 11;
an annealing furnace 12 is fixedly connected to the top of the inner wall of the heat storage frame 1, a drainage mechanism 13 is arranged in the heat storage frame 1, and a heating mechanism 10 is arranged in the heating frame 6;
the heating mechanism 10 comprises a circular heating wire 20, a square connecting pipe 21 and a round block 22, wherein the circular heating wire 20 is fixedly connected with the inner wall of a heating frame 6, the end part of the square connecting pipe 21 is communicated with the round block 22, a fan 2 is electrified, waste heat in an annealing furnace 12 is blown into the connecting pipe 11 through the fan 2, gas blown by the fan 2 enters the square connecting pipe 21 through the connecting pipe 11, the square connecting pipe 21 is connected with a plurality of square connecting pipes, the moving time of the gas in the heating frame 6 is prolonged, after the circular heating wire 20 is electrified, the heating frame 6 is heated through the circular heating wire 20, when the waste heat gas in the annealing furnace 12 flows through the square connecting pipe 21, the heat of the gas is increased through the circular heating wire 20, the gas enters the heat storage frame 1 through an elbow pipe 7 to store the heat, the heat is stored in the heat storage frame 1, the temperature of the annealing furnace 12 cannot be rapidly reduced, and the annealing furnace 12 is conveniently preheated.
The left side of square connecting pipe 21 passes through circle piece 22 and the inner wall fixed connection of return bend 7, and the right side of square connecting pipe 21 passes through circle piece 22 and the inner wall fixed connection of connecting pipe 11, and square connecting pipe 21 sets up in the ring inside of ring heater strip 20.
One end of the bent pipe 7 far away from the heating frame 6 penetrates through the inside of the heat storage frame 1 and is communicated with the inside of the heat storage frame 1, one end of the connecting pipe 11 far away from the heating frame 6 is communicated with the inside of the annealing furnace 12, and the air outlet end of the fan 2 is communicated with the inside of the annealing furnace 12.
The center of the connecting pipe 11 is provided with a broken hole 30, a circular ring pipe 31 is arranged in the broken hole 30, a purifying mechanism 33 is arranged in the left side of the circular ring pipe 31, a filtering mechanism 34 is arranged in the right side of the circular ring pipe 31, and a threaded hole frame 32 is connected to the surface of the connecting pipe 11 in a threaded manner;
the number of the screw hole frames 32 is two, one end of each screw hole frame 32, which is close to each other, is in sliding connection with the surface of the circular ring tube 31, and two side ends of the circular ring tube 31 are in contact with the inner wall of the broken hole 30.
The circular pipe 31 comprises an active carbon filter screen 40, an extrusion block 41 and a groove 42, wherein the extrusion block 41 is fixedly connected with the inner wall of the circular pipe 31, and the surface of the active carbon filter screen 40 is provided with the groove 42;
the activated carbon filter screen 40 is disposed inside the circular tube 31, and the surface of the pressing block 41 is in contact with the inner wall of the groove 42.
The filtering mechanism 34 comprises a threaded circular plate 50, a circular rod 51, a pressing plate 52, a spring 53, a clamping block 54, a fixed plate 55, a movable plate 56, a filter screen 57, a circular ring frame 58, a clamping groove 59 and a circular hole frame 60, wherein the threaded circular plate 50 is fixedly connected with the inner wall of a connecting pipe 11, the surface of the circular ring frame 58 is in threaded connection with the inner wall of the threaded circular plate 50, the clamping groove 59 is formed in the inner wall of the circular ring frame 58, the circular rod 51 is fixedly connected with the inner wall of the circular ring frame 58 through the fixed plate 55, the circular hole frame 60 is rotationally connected with the surface of the clamping block 54 through the movable plate 56, the filter screen 57 is arranged in the clamping groove 59, one end of the circular rod 51 far away from the fixed plate 55 is fixedly connected with the pressing plate 52, after the circular ring pipe 31 is detached from the inside of the broken hole 30, the circular ring frame 58 is detached and installed through twisting the circular rod 51, after the end surface of the filter screen 57 is contacted with the inner wall of the clamping groove 59, the filter screen 57 is clamped in the inside the clamping groove 59 through extrusion of the clamping block 54, the circular hole frame 60 slides on the surface of the circular ring frame 51 through the elasticity of the spring 53, the movable plate 56 extrudes the clamping block 54 into the inside the clamping groove 59, the circular hole 57, the inner wall of the circular ring 57 is compressed in the circular ring 57 through the circular hole, the air is compressed in the environment-friendly air, and the air is discharged in the environment-friendly condition, and the air is filtered in the environment-friendly condition, and after the air is exhausted in the air, and the air is filtered;
the circular hole frame 60 is fixedly connected with the surface of the pressing plate 52 through a spring 53.
The clamping block 54 is arranged in the clamping groove 59, the surface of the clamping block 54 is contacted with the surface of the filter screen 57, the inner wall of the round hole frame 60 is contacted with the surface of the round rod 51, and the clamping block 54 is in a circular arc shape.
The drainage mechanism 13 comprises a baffle 70, a spiral arc plate 71, an air core rod 72, air holes 73 and an exhaust mechanism 74, wherein the spiral arc plate 71 is fixedly connected with the surface of the annealing furnace 12, the top of the spiral arc plate 71 is fixedly connected with the baffle 70, the bottom of the air core rod 72 is fixedly connected with the top of the chassis 3, the surface of the air core rod 72 is fixedly connected with the end part of the spiral arc plate 71, the air holes 73 are formed in the surface of the air core rod 72, and the exhaust mechanism 74 is arranged at the bottom of the air core rod 72;
one end of the spiral arc plate 71, which is far away from the annealing furnace 12, is fixedly connected with the inner wall of the heat storage frame 1, the top of the baffle plate 70 is fixedly connected with the top of the inner wall of the heat storage frame 1, and the bottom of the hollow rod 72 penetrates through the chassis 3 and extends to the outer end of the bottom of the chassis 3.
Example 2
Referring to fig. 1 to 8, the present utility model is a preheating apparatus of an annealing furnace for cold-rolled sheet, comprising:
the heat storage rack 1 is a cylinder with a deep groove, the bottom of the heat storage rack 1 is fixedly connected with a chassis 3, the left side of the chassis 3 is fixedly connected with a bottom plate 5, the bottoms of the bottom plate 5 and the chassis 3 are respectively and fixedly connected with a supporting leg 4, and the top of the chassis 3 is fixedly connected with a fan 2;
the heating frame 6 is a cylinder, the left side of the heating frame 6 is communicated with the bent pipe 7, and the right side of the heating frame 6 is communicated with the connecting pipe 11;
an annealing furnace 12 is fixedly connected to the top of the inner wall of the heat storage frame 1, a drainage mechanism 13 is arranged in the heat storage frame 1, and a heating mechanism 10 is arranged in the heating frame 6;
the heating mechanism 10 comprises a circular heating wire 20, a square connecting tube 21 and a round block 22, wherein the circular heating wire 20 is fixedly connected with the inner wall of the heating frame 6, and the end part of the square connecting tube 21 is communicated with the round block 22.
The left side of square connecting pipe 21 passes through circle piece 22 and the inner wall fixed connection of return bend 7, and the right side of square connecting pipe 21 passes through circle piece 22 and the inner wall fixed connection of connecting pipe 11, and square connecting pipe 21 sets up in the ring inside of ring heater strip 20.
One end of the bent pipe 7 far away from the heating frame 6 penetrates through the inside of the heat storage frame 1 and is communicated with the inside of the heat storage frame 1, one end of the connecting pipe 11 far away from the heating frame 6 is communicated with the inside of the annealing furnace 12, and the air outlet end of the fan 2 is communicated with the inside of the annealing furnace 12.
A broken hole 30 is formed in the center of the connecting pipe 11, a circular ring pipe 31 is arranged in the broken hole 30, a purifying mechanism 33 is arranged in the left side of the circular ring pipe 31, a filtering mechanism 34 is arranged in the right side of the circular ring pipe 31, and a threaded hole frame 32 is connected to the surface of the connecting pipe 11 in a threaded manner;
the number of the screw hole frames 32 is two, one end of each screw hole frame 32, which is close to each other, is in sliding connection with the surface of the circular ring tube 31, and two side ends of the circular ring tube 31 are in contact with the inner wall of the broken hole 30.
The circular pipe 31 comprises an active carbon filter screen 40, an extrusion block 41 and a groove 42, wherein the extrusion block 41 is fixedly connected with the inner wall of the circular pipe 31, and the surface of the active carbon filter screen 40 is provided with the groove 42;
the activated carbon filter screen 40 is disposed inside the circular tube 31, and the surface of the pressing block 41 is in contact with the inner wall of the groove 42.
The filtering mechanism 34 comprises a threaded circular plate 50, a circular rod 51, a pressing plate 52, a spring 53, a clamping block 54, a fixed plate 55, a movable plate 56, a filter screen 57, a circular ring frame 58, a clamping groove 59 and a circular hole frame 60, wherein the threaded circular plate 50 is fixedly connected with the inner wall of the connecting pipe 11, the surface of the circular ring frame 58 is in threaded connection with the inner wall of the threaded circular plate 50, the clamping groove 59 is formed in the inner wall of the circular ring frame 58, the circular rod 51 is fixedly connected with the inner wall of the circular ring frame 58 through the fixed plate 55, the circular hole frame 60 is rotatably connected with the surface of the clamping block 54 through the movable plate 56, the filter screen 57 is arranged in the clamping groove 59, and one end, far away from the fixed plate 55, of the circular rod 51 is fixedly connected with the pressing plate 52;
the circular hole frame 60 is fixedly connected with the surface of the pressing plate 52 through a spring 53.
The clamping block 54 is arranged in the clamping groove 59, the surface of the clamping block 54 is contacted with the surface of the filter screen 57, the inner wall of the round hole frame 60 is contacted with the surface of the round rod 51, and the clamping block 54 is in a circular arc shape.
The drainage mechanism 13 comprises a baffle 70, a spiral arc plate 71, a hollow rod 72, air holes 73 and an exhaust mechanism 74, wherein the spiral arc plate 71 is fixedly connected with the surface of the annealing furnace 12, the top of the spiral arc plate 71 is fixedly connected with the baffle 70, the bottom of the hollow rod 72 is fixedly connected with the top of the chassis 3, the surface of the hollow rod 72 is fixedly connected with the end part of the spiral arc plate 71, the air holes 73 are formed in the surface of the hollow rod 72, and the exhaust mechanism 74 is arranged at the bottom of the hollow rod 72;
one end of the spiral arc plate 71, which is far away from the annealing furnace 12, is fixedly connected with the inner wall of the heat storage frame 1, the top of the baffle plate 70 is fixedly connected with the top of the inner wall of the heat storage frame 1, and the bottom of the hollow rod 72 penetrates through the chassis 3 and extends to the outer end of the bottom of the chassis 3.
The exhaust mechanism 74 comprises a positioning frame 80, an air hole circular plate 81, a threaded hole 82, air-permeable cotton 83, an elastic rod 84 and a top plate 85, wherein the positioning frame 80 is communicated with the interior of the hollow rod 72, the threaded hole 82 is formed in one end, far away from the hollow rod 72, of the positioning frame 80, the top plate 85 is fixedly connected with the inner wall of the positioning frame 80 through the elastic rod 84, the air-permeable cotton 83 is arranged in the positioning frame 80, the top plate 85 extrudes the air-permeable cotton 83 through the elastic rod 84, the air-permeable cotton 83 is extruded by the top plate 85 to increase tightness, the exhaust speed of gas in the heat storage frame 1 is reduced, the phenomenon that the heat of the gas cannot be fully utilized due to the fact that the exhaust speed of the gas is high is avoided, and the air hole circular plate 81 is in threaded connection with the threaded hole 82 so that the air-permeable cotton 83 is convenient to detach;
the surface of the air hole circular plate 81 is screwed to the inner wall of the screw hole 82, the air-permeable cotton 83 is in contact with the surface of the top plate 85, and one end of the air-permeable cotton 83 away from the top plate 85 is in contact with the air hole circular plate 81.
One specific application of this embodiment is: the fan 2 is electrified, waste heat in the annealing furnace 12 is blown into the connecting pipe 11 through the fan 2, gas blown by the fan 2 enters the square connecting pipe 21 through the connecting pipe 11, the square connecting pipe 21 is formed by connecting a plurality of square connecting pipes, the moving time of the gas in the heating frame 6 is increased, after the circular heating wire 20 is electrified, the circular heating wire 20 is used for heating the inside of the heating frame 6, when the waste heat gas in the annealing furnace 12 flows through the square connecting pipe 21, the heat of the gas is increased through the circular heating wire 20, the gas enters the heat storage frame 1 through the bent pipe 7 to store the hot gas, the circular pipe 31 is placed in the inside of the broken hole 30, the screw hole frame 32 is twisted to move to the surface of the circular pipe 31 to fix the circular pipe 31, one end of the circular pipe 31, which is contacted with the inner wall of the broken hole 30, is arranged in the screw hole frame 32 to increase tightness, the screw hole frame 32 moves to the surface of the connecting pipe 11 and is separated from the surface of the circular ring pipe 31, so that the circular ring pipe 31 is convenient to take out the inside of the broken hole 30, an activated carbon filter screen 40 is arranged at the left side of the inside of the circular ring pipe 31, the gas in the annealing furnace 12 is purified and filtered, after the circular ring pipe 31 is taken out of the inside of the broken hole 30, the circular ring frame 58 is detached and installed by twisting the circular rod 51, the end surface of the filter screen 57 is contacted with the inner wall of the clamping groove 59, the filter screen 57 is clamped in the inside of the clamping groove 59 by the extrusion of the clamping block 54, the circular hole frame 60 slides on the surface of the circular rod 51 by the elasticity of the spring 53, the movable plate 56 extrudes the clamping block 54 into the inside of the clamping groove 59 by the circular hole frame 60, the tensioning force of the filter screen 57 is increased, after the heated gas enters the inside of the heat storage frame 1 by the bent pipe 7, the gas in the inside of the heat storage frame 1 is continuously increased to be contacted with the surface of the baffle 70, the gas moves down at the surface spiral of annealing stove 12 through spiral circular arc plate 71, avoids the lower gaseous deposit of temperature in the inside below of heat-retaining frame 1, leads to annealing stove 12 preheating efficiency to reduce, and roof 85 extrudees ventilative cotton 83 through elastic rod 84, and ventilative cotton 83 increases compactedness through the extrusion of roof 85, reduces the internal gaseous discharge rate of heat-retaining frame 1, avoids the speed of gaseous discharge to lead to the heat of gas not fully to utilize soon.
It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present utility model without the inventive step, are intended to be within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.
Claims (9)
1. A preheating device of an annealing furnace for cold-rolled sheets, characterized by comprising:
the heat storage rack (1), the heat storage rack (1) is a cylinder with a deep groove, the bottom of the heat storage rack (1) is fixedly connected with a chassis (3), the left side of the chassis (3) is fixedly connected with a bottom plate (5), the bottoms of the bottom plate (5) and the chassis (3) are respectively fixedly connected with a supporting leg (4), and the top of the chassis (3) is fixedly connected with a fan (2);
the heating rack (6), the heating rack (6) is a cylinder, the left side of the heating rack (6) is communicated with an elbow (7), and the right side of the heating rack (6) is communicated with a connecting pipe (11);
an annealing furnace (12) is fixedly connected to the top of the inner wall of the heat storage frame (1), a drainage mechanism (13) is arranged in the heat storage frame (1), and a heating mechanism (10) is arranged in the heating frame (6);
the heating mechanism (10) comprises a circular heating wire (20), a square connecting pipe (21) and a round block (22), wherein the circular heating wire (20) is fixedly connected with the inner wall of the heating frame (6), and the end part of the square connecting pipe (21) is communicated with the round block (22).
2. The preheating apparatus of an annealing furnace for cold-rolled sheets according to claim 1, wherein: the left side of square connecting pipe (21) is through the inner wall fixed connection of button (22) and return bend (7), the right side of square connecting pipe (21) is through the inner wall fixed connection of button (22) and connecting pipe (11), square connecting pipe (21) set up inside the ring of ring heater strip (20).
3. The preheating apparatus of an annealing furnace for cold-rolled sheets according to claim 1, wherein: one end of the bent pipe (7) far away from the heating frame (6) penetrates through the inside of the heat storage frame (1) and is communicated with the inside of the heat storage frame (1), one end of the connecting pipe (11) far away from the heating frame (6) is communicated with the inside of the annealing furnace (12), and the air outlet end of the fan (2) is communicated with the inside of the annealing furnace (12).
4. The preheating apparatus of an annealing furnace for cold-rolled sheets according to claim 1, wherein: a broken hole (30) is formed in the center of the connecting pipe (11), a circular ring pipe (31) is arranged in the broken hole (30), a purifying mechanism (33) is arranged in the left side of the circular ring pipe (31), a filtering mechanism (34) is arranged in the right side of the circular ring pipe (31), and a threaded hole frame (32) is connected to the surface of the connecting pipe (11) in a threaded mode;
the number of the threaded hole frames (32) is two, one ends, close to each other, of the two threaded hole frames (32) are in sliding connection with the surface of the circular ring tube (31), and two side end parts of the circular ring tube (31) are in contact with the inner wall of the broken hole (30).
5. The preheating apparatus of an annealing furnace for cold-rolled sheets according to claim 4, wherein: the circular tube (31) comprises an active carbon filter screen (40), an extrusion block (41) and a groove (42), wherein the extrusion block (41) is fixedly connected with the inner wall of the circular tube (31), and the surface of the active carbon filter screen (40) is provided with the groove (42);
the active carbon filter screen (40) is arranged in the circular ring pipe (31), and the surface of the extrusion block (41) is in contact with the inner wall of the groove (42).
6. The preheating apparatus of an annealing furnace for cold-rolled sheets according to claim 4, wherein: the filtering mechanism (34) comprises a threaded circular plate (50), a circular rod (51), a pressing plate (52), a spring (53), a clamping block (54), a fixed plate (55), a movable plate (56), a filter screen (57), a circular ring frame (58), a clamping groove (59) and a circular hole frame (60), wherein the threaded circular plate (50) is fixedly connected with the inner wall of a connecting pipe (11), the surface of the circular ring frame (58) is in threaded connection with the inner wall of the threaded circular plate (50), the clamping groove (59) is formed in the inner wall of the circular ring frame (58), the circular rod (51) is fixedly connected with the inner wall of the circular ring frame (58) through the fixed plate (55), the circular hole frame (60) is rotatably connected with the surface of the clamping block (54) through the movable plate (56), the filter screen (57) is arranged in the clamping groove (59), and one end, far away from the fixed plate (55), of the circular rod (51) is fixedly connected with the pressing plate (52).
The round hole frame (60) is fixedly connected with the surface of the pressing plate (52) through a spring (53).
7. The preheating apparatus of an annealing furnace for cold-rolled sheets according to claim 6, wherein: the clamping block (54) is arranged in the clamping groove (59), the surface of the clamping block (54) is in contact with the surface of the filter screen (57), the inner wall of the round hole frame (60) is in contact with the surface of the round rod (51), and the clamping block (54) is in a circular arc shape.
8. The preheating apparatus of an annealing furnace for cold-rolled sheets according to claim 1, wherein: the drainage mechanism (13) comprises a baffle (70), a spiral arc plate (71), a hollow rod (72), air holes (73) and an exhaust mechanism (74), wherein the spiral arc plate (71) is fixedly connected with the surface of the annealing furnace (12), the top of the spiral arc plate (71) is fixedly connected with the baffle (70), the bottom of the hollow rod (72) is fixedly connected with the top of the chassis (3), the surface of the hollow rod (72) is fixedly connected with the end part of the spiral arc plate (71), the air holes (73) are formed in the surface of the hollow rod (72), and the exhaust mechanism (74) is arranged at the bottom of the hollow rod (72);
one end of the spiral arc plate (71) far away from the annealing furnace (12) is fixedly connected with the inner wall of the heat storage frame (1), the top of the baffle plate (70) is fixedly connected with the top of the inner wall of the heat storage frame (1), and the bottom of the hollow rod (72) penetrates through the chassis (3) and extends to the outer end of the bottom of the chassis (3).
9. The preheating apparatus of an annealing furnace for cold-rolled sheets according to claim 8, wherein: the exhaust mechanism (74) comprises a positioning frame (80), an air hole circular plate (81), a threaded hole (82), air-permeable cotton (83), an elastic rod (84) and a top plate (85), wherein the positioning frame (80) is communicated with the inside of the hollow rod (72), the threaded hole (82) is formed in one end, far away from the hollow rod (72), of the positioning frame (80), the top plate (85) is fixedly connected with the inner wall of the positioning frame (80) through the elastic rod (84), and the air-permeable cotton (83) is arranged in the positioning frame (80);
the surface of the air hole circular plate (81) is in threaded connection with the inner wall of the threaded hole (82), the air-permeable cotton (83) is in contact with the surface of the top plate (85), and one end, far away from the top plate (85), of the air-permeable cotton (83) is in contact with the air hole circular plate (81).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223240330.7U CN219156933U (en) | 2022-12-02 | 2022-12-02 | Preheating equipment of annealing furnace for cold-rolled sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223240330.7U CN219156933U (en) | 2022-12-02 | 2022-12-02 | Preheating equipment of annealing furnace for cold-rolled sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219156933U true CN219156933U (en) | 2023-06-09 |
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ID=86639394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223240330.7U Active CN219156933U (en) | 2022-12-02 | 2022-12-02 | Preheating equipment of annealing furnace for cold-rolled sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219156933U (en) |
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2022
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