Slab energy-saving heating furnace

Abstract

The utility model relates to the technical field of heating furnaces, and discloses a slab energy-saving heating furnace which comprises a furnace body, four threaded columns, two pressing plates, a plurality of compression springs and a cleaning block, a heat preservation upper box is movably arranged on the upper end face of the furnace body, and heat preservation side boxes are arranged on the front end face and the rear end face of the heat preservation upper box in a hinged mode. Inner grooves are formed in the positions, close to the two sides, of the middles of the lower sides of the end faces of the opposite sides of the two heat preservation side boxes correspondingly, fixing columns are slidably arranged on the inner walls of the four inner grooves correspondingly, and threaded blocks are fixedly arranged on the end faces of the sides, away from the fixing columns, of the four fixing columns correspondingly. According to the utility model, the rotating threaded column drives the fixed column to be clamped into the fixed block through the threaded block so as to fix the thermal insulation side box, so that the rapid loss of the temperature in the thermal insulation side box is avoided, oxide skin is generated on the surface of a plate blank when the plate blank is heated, and the oxide skin on the inner bottom surface of the furnace body is brushed by the cleaning brush below the cleaning block; and the oxide skin in the furnace body is more convenient to clean.

Description

Technical Field

[0001] The utility model relates to the technical field of heating furnaces, in particular to a slab energy-saving heating furnace. Background Art

[0002] The slab energy-saving heating furnace is a device used to heat slabs. It adopts energy-saving technology, which can effectively improve heating efficiency and reduce energy consumption. This heating furnace usually adopts advanced heating elements and control systems, which can accurately control the heating temperature and heating time to ensure the uniformity and stability of slab heating.

[0003] When most of the existing heating furnaces heat the slabs, oxide scale will be generated on the surface of the slabs, and the oxide scale will fall to the bottom surface of the heating furnace. It is inconvenient to clean the oxide scale due to the obstruction of the conveying rollers inside the heating furnace. Moreover, the surface of the heating furnace is directly exposed to the outside, and its internal temperature is easy to lose. Therefore, the utility model provides a slab energy-saving heating furnace to solve the problems raised in the above-mentioned background technology. Utility Model Content

[0004] The utility model aims to solve the shortcomings existing in the prior art and proposes a slab energy-saving heating furnace. The rotating threaded column drives the fixed column to clamp into the inside of the fixed block through the threaded block to fix the insulation side box, so as to insulate the furnace body and prevent the rapid loss of temperature inside the furnace. When the slab is heated, oxide scale will be generated on the surface of the slab. The cleaning brush under the cleaning block brushes the oxide scale on the bottom surface of the furnace body, making it more convenient to clean the oxide scale inside the furnace body.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a slab energy-saving heating furnace, comprising a furnace body, four threaded columns, two pressure plates, a plurality of compression springs and a cleaning block, the upper end surface of the furnace body is movably provided with an insulation upper box, the front end surface and the rear end surface of the insulation upper box are both hingedly provided with insulation side boxes, inner grooves are provided in the middle of the lower side of the opposite end surfaces of the two insulation side boxes, and the inner walls of the four inner grooves are all slidably provided with fixed columns, the end surfaces of the four fixed columns away from the fixed columns are all fixedly provided with threaded blocks, and the front end surface and the rear end surface of the furnace body are both fixedly provided with fixed blocks on both sides of the lower side;

[0006] A slide groove is provided at the lower side of the front end surface of the furnace body, a slide plate is slidably provided at the front side of the slide groove, a plurality of cleaning brushes are fixedly provided at the lower end surface of the cleaning block, push blocks are fixedly provided at both side end surfaces of the cleaning block, a grip rod is fixedly provided at one side of the front end surface of the cleaning block, and waste slag outlets are provided at the lower side of both side end surfaces of the furnace body;

[0007] Through the above technical scheme, the rotating threaded column drives the fixed column through the threaded block to clamp into the fixed block to fix the insulation side box, making it more convenient to fix the insulation structure, so as to insulate the furnace body and prevent the rapid loss of temperature inside it. In addition, when the slab is heated, oxide scale will be generated on the surface of the slab, and the oxide scale will fall downward. The cleaning brush under the cleaning block brushes the oxide scale on the bottom surface of the furnace body, making it easier to clean the oxide scale inside the furnace body.

[0008] Furthermore, a plurality of insulation support plates are fixedly arranged on the inner wall of the insulation upper box, a constant temperature tank is opened on the opposite end faces of the two insulation side boxes, the two pressure plates are respectively slidably arranged on the inner walls of the two constant temperature tanks, and the plurality of compression springs are respectively fixedly arranged between the two constant temperature tanks and the two pressure plates;

[0009] Through the above technical solution, the insulation upper box is placed on the upper end surface of the furnace body, the insulation side box covers are on the front and rear outer surfaces of the furnace body, and the compression springs inside the insulation side box push the pressure plate to press the pressure plate against the front and rear outer surfaces of the furnace body, making the side box and the furnace body fit more closely, effectively reducing the rate of temperature loss inside the furnace body.

[0010] Furthermore, plate grooves are provided on the upper sides of both side end surfaces of the furnace body, baffles are hingedly provided on the top surfaces of the two plate grooves, and a plurality of conveying rollers are rotatably provided on the middle positions of the front inner wall and the rear inner wall of the furnace body;

[0011] Through the above technical solution, the baffle plate will be squeezed when the slab is fed into the furnace body, and the baffle plate will re-seal the plate groove after the slab is completely entered to reduce the loss of temperature inside the furnace body.

[0012] Furthermore, one end surface of the slide plate is fixedly arranged on one end surface of the grip rod, and waste slag plates are hingedly arranged on the inner top surfaces of the two waste slag outlets;

[0013] Through the above technical solution, the cleaning plate is driven to slide inside the furnace body by the gripping column and gripping rod to clean the oxide scale on the bottom surface of the furnace body. When the cleaning block approaches the slag outlet, it pushes the slag plate to clean and sweep out the oxide scale. After the cleaning block leaves, the slag plate blocks the slag outlet again, and the surface heat is lost.

[0014] Furthermore, two orifice plates are fixedly provided at the lower side of the end surfaces of the opposite sides of the two insulation side boxes, and gripping columns are rotatably provided between the front and rear sides of the four orifice plates, and the four threaded columns are respectively fixedly provided at the end surfaces on both sides of the two gripping columns;

[0015] Through the above technical solution, when the gripping column is rotated so that the gripping column can drive the threaded column to rotate, the threaded column drives the threaded block to push the fixed column, so that the fixed column can be clamped with the fixed block to fix the side box.

[0016] Furthermore, the inner walls of the two opposite sides of the front and rear sides of the four inner grooves are provided with column grooves, the four fixing columns are respectively clamped and arranged on the inner walls of the four fixing blocks, and the four fixing columns are respectively slidably arranged on the inner walls of the four column grooves;

[0017] Through the above technical solution, when the fixing column releases the clamping connection with the fixing block, the tail end of the fixing column slides into the column slot, so that the column slot is placed more stably.

[0018] Furthermore, a stabilizing groove is provided on the lower side of the inner wall at the rear side of the furnace body, and the cleaning block is slidably arranged between the stabilizing groove and the sliding groove;

[0019] Through the above technical solution, the cleaning block slides on the bottom surface of the furnace body, and the sliding cleaning block drives the cleaning brush to brush the oxide scale on the bottom surface of the furnace body, making it more convenient to clean the oxide scale.

[0020] The utility model has the following beneficial effects:

[0021] 1. The slab energy-saving heating furnace proposed by the utility model places the insulation upper box on the upper end surface of the furnace body, covers the insulation side boxes on the front and rear sides of the insulation upper box downward, and allows the fixing blocks to be stuck in the inner walls of the insulation side boxes, so that the insulation structure is more convenient to fix, to insulate the furnace body to avoid rapid loss of internal temperature and reduce energy consumption.

[0022] 2. The slab energy-saving heating furnace proposed by the utility model produces oxide scale on the surface of the slab when the slab is heated, and the oxide scale will fall downward. The sliding cleaning block brushes the oxide scale on the bottom surface of the furnace body with a cleaning brush under the cleaning block. When the cleaning block is close to the waste slag outlet, it pushes the plate to clean and sweep out the oxide scale, making it more convenient to clean the oxide scale inside the furnace body. When the cleaning block is reset, the slide plate prevents the temperature inside the furnace body from losing through the slide groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is an axonometric schematic diagram of the utility model;

[0024] Figure 2 It is a top cross-sectional schematic diagram of the utility model;

[0025] Figure 3 It is a front cross-sectional schematic diagram of the utility model;

[0026] Figure 4 It is a side cross-sectional schematic diagram of the thermal insulation side box of the utility model;

[0027] Figure 5 It is an axonometric schematic diagram of the cleaning block of the utility model.

[0028] Legend:

[0029] 1. Fixed block; 2. Furnace body; 3. Insulated upper box; 4. Insulated side box; 5. Inner groove; 6. Threaded block; 7. Threaded column; 8. Grip column; 9. Slide plate; 10. Slide groove; 11. Grip rod; 12. Waste slag plate; 13. Waste slag outlet; 14. Baffle; 15. Plate groove; 16. Fixed column; 17. Orifice plate; 18. Column groove; 19. Push block; 20. Cleaning block; 21. Press plate; 22. Constant temperature tank; 23. Insulated support plate; 24. Compression spring; 25. Conveyor roller; 26. Stabilizing groove; 27. Cleaning brush. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Example

[0032] Reference Figure 1-5 The utility model provides an embodiment: a slab energy-saving heating furnace, comprising a furnace body 2, four threaded columns 7, two pressing plates 21, a plurality of compression springs 24 and a cleaning block 20. The upper end surface of the furnace body 2 is movably provided with an insulation upper box 3, and the temperature above the furnace body 2 is isolated by the insulation upper box 3. The front end surface and the rear end surface of the insulation upper box 3 are both hingedly provided with insulation side boxes 4. The front end surface and the rear end surface of the furnace body 2 are wrapped by the insulation side boxes 4 to prevent the internal temperature of the furnace body 2 from losing too quickly. The two insulation side boxes 4 Inner grooves 5 are provided in the middle of the lower side of the opposite end surface, and the inner walls of the four inner grooves 5 are slidably provided with fixing columns 16. The end surfaces of the four fixing columns 16 away from the fixing columns 16 are fixedly provided with threaded blocks 6. The threaded columns 7 are rotated and pushed by the threaded blocks 6 to push the fixing columns 16, so that the fixing columns 16 are stuck in the fixing blocks 1 to fix the insulation side box 4, making it more convenient to fix the insulation structure. The fixing blocks 1 are fixedly provided at the lower sides of the front end surface and the rear end surface of the furnace body 2;

[0033] A slide groove 10 is provided at the lower side of the front end surface of the furnace body 2, and a slide plate 9 is slidably provided at the front side of the slide groove 10. A plurality of cleaning brushes 27 are fixedly provided on the lower end surface of the cleaning block 20, and push blocks 19 are fixedly provided on both side end surfaces of the cleaning block 20. A grip rod 11 is fixedly provided on one side of the front end surface of the cleaning block 20, and waste slag outlets 13 are provided on both side end surfaces of the furnace body 2. The rotating threaded column 7 drives the fixed column 16 to snap into the inside of the fixed block 1 to fix the insulation side box 4 through the threaded block 6, making it more convenient to fix the insulation structure, so as to insulate the furnace body 2 and prevent the temperature inside it from losing quickly. Moreover, when the slab is heated, oxide scale will be generated on the surface of the slab, and the oxide scale will fall downward. The cleaning brush 27 under the cleaning block 20 brushes the oxide scale on the inner bottom surface of the furnace body 2, making it convenient to clean the oxide scale inside the furnace body 2.

[0034] A plurality of insulation support plates 23 are fixedly arranged on the inner wall of the insulation upper box 3, and a constant temperature groove 22 is opened on the end faces of the opposite sides of the two insulation side boxes 4, and two pressure plates 21 are respectively slidably arranged on the inner walls of the two constant temperature grooves 22, and a plurality of compression springs 24 are respectively fixedly arranged between the two constant temperature grooves 22 and the two pressure plates 21, and the insulation upper box 3 is placed on the upper end face of the furnace body 2, and the insulation side boxes 4 cover the front end face and the rear end face outside the furnace body 2, and the compression springs 24 inside the insulation side boxes 4 push the pressure plates 21 to press the pressure plates 21 against the front end face and the rear end face of the furnace body 2, so that the side boxes 4 and the furnace body 2 fit more closely, effectively reducing the rate of temperature loss inside the furnace body 2.

[0035] Plate grooves 15 are provided on the upper sides of the end faces of both sides of the furnace body 2, and baffles 14 are hingedly provided on the top surfaces of the two plate grooves 15. A plurality of conveying rollers 25 are rotatably provided on the middle positions of the front inner wall and the rear inner wall of the furnace body 2. When the slab is fed into the furnace body 2, the baffle 14 will be squeezed, and after the slab completely enters, the baffle 14 will re-seal the plate grooves 15 to reduce the loss of temperature inside the furnace body 2. One end face of the slide plate 9 is fixedly provided on the one end face of the grip rod 11, and a slag plate 12 is hingedly provided on the top surfaces of the two slag outlets 13. The cleaning plate is driven to slide inside the furnace body 2 through the grip column 8 and the grip rod 11 to clean the oxide scale on the bottom surface of the furnace body 2. When the cleaning block 20 approaches the slag outlet 13, the slag plate 12 is pushed to clean the oxide scale. After the cleaning block 20 leaves, the slag plate 12 blocks the slag outlet 13 again, and the surface heat is lost.

[0036] Two orifice plates 17 are fixedly arranged at the lower position of the end surface of the opposite side of the two insulation side boxes 4, and a grip column 8 is rotatably arranged between the front and rear sides of the four orifice plates 17. Four threaded columns 7 are respectively fixedly arranged on the end surfaces of both sides of the two grip columns 8. When the grip columns 8 are tightly grasped and rotated so that the grip columns 8 can drive the threaded columns 7 to rotate, the threaded columns 7 drive the threaded blocks 6 to push the fixed columns 16, so that the fixed columns 16 can be clamped with the fixed blocks 1 so that the side boxes 4 are fixed. Column grooves 18 are opened on the inner walls of the two opposite sides of the front and rear sides of the four inner grooves 5, and the four fixed columns 16 are respectively clamped and arranged The four fixing blocks 1 are arranged on the inner walls, and the four fixing columns 16 are slidably arranged on the inner walls of the four column grooves 18 respectively. When the fixing column 16 releases the clamping connection with the fixing block 1, the tail end of the fixing column 16 slides into the column groove 18, so that the column groove 18 is placed more stably. A stabilizing groove 26 is provided on the lower side of the inner wall at the rear side of the furnace body 2. The cleaning block 20 is slidably arranged between the stabilizing groove 26 and the slide groove 10. The cleaning block 20 slides on the inner bottom surface of the furnace body 2. The sliding cleaning block 20 drives the cleaning brush 27 to brush the oxide scale on the inner bottom surface of the furnace body 2, so that the oxide scale is cleaned more conveniently.

[0037] Working principle: place the insulation upper box 3 on the upper end surface of the furnace body 2, cover the insulation side boxes 4 on the front and rear sides of the insulation upper box 3 downward, let the fixed block 1 be stuck in the inner wall of the insulation side box 4, hold the grip column 8 to drive the threaded column 7 to rotate, and the rotating threaded column 7 drives the fixing column 16 to be stuck in the inside of the fixing block 1 through the threaded block 6 to fix the insulation side box 4, so that the insulation structure is more convenient to fix, to insulate the furnace body 2 to prevent the rapid loss of temperature inside it, and when the slab is heated, oxide scale will be generated on the surface of the slab, and the oxide scale will fall downward. When cleaning the oxide scale, hold the grip rod 11 to drive the cleaning block 20 to slide inside the furnace body 2, and the cleaning brush 27 under the cleaning block 20 brushes the oxide scale on the bottom surface of the furnace body 2. When the cleaning block 20 is close to the slag outlet 13, it pushes the slag plate 12 to clean and sweep out the oxide scale, making it more convenient to clean the oxide scale inside the furnace body 2.

[0038] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A slab energy-saving heating furnace, comprising a furnace body (2), four threaded columns (7), two pressing plates (21), a plurality of pressing springs (24) and a cleaning block (20), characterized in that: The upper end surface of the furnace body (2) is movably provided with an insulation upper box (3), the front end surface and the rear end surface of the insulation upper box (3) are both hingedly provided with insulation side boxes (4), inner grooves (5) are provided in the middle of the lower sides of the opposite end surfaces of the two insulation side boxes (4), and the inner walls of the four inner grooves (5) are slidably provided with fixing columns (16), and the end surfaces of the four fixing columns (16) away from the fixing columns (16) are fixedly provided with threaded blocks (6), and the lower sides of the front end surface and the rear end surface of the furnace body (2) are both fixedly provided with fixing blocks (1); A slide groove (10) is provided at the lower side of the front end surface of the furnace body (2); a slide plate (9) is slidably provided at the front side of the slide groove (10); a plurality of cleaning brushes (27) are fixedly provided at the lower end surface of the cleaning block (20); push blocks (19) are fixedly provided at both side end surfaces of the cleaning block (20); a gripping rod (11) is fixedly provided at one side of the front end surface of the cleaning block (20); and waste slag outlets (13) are provided at the lower side of both side end surfaces of the furnace body (2).

2. The slab energy-saving heating furnace according to claim 1, characterized in that: The inner wall of the thermal insulation upper box (3) is fixedly provided with a plurality of thermal insulation support plates (23); the end faces of the two thermal insulation side boxes (4) on opposite sides are provided with constant temperature grooves (22); the two pressing plates (21) are respectively slidably provided on the inner walls of the two constant temperature grooves (22); and the plurality of compression springs (24) are respectively fixedly provided between the two constant temperature grooves (22) and the two pressing plates (21).

3. The slab energy-saving heating furnace according to claim 1, characterized in that: Plate grooves (15) are provided at upper positions on both side end surfaces of the furnace body (2), baffles (14) are hingedly provided on the inner top surfaces of the two plate grooves (15), and a plurality of conveying rollers (25) are rotatably provided at middle positions on the front inner wall and the rear inner wall of the furnace body (2).

4. The slab energy-saving heating furnace according to claim 1, characterized in that: One end surface of the slide plate (9) is fixedly arranged on one end surface of the gripping rod (11), and waste slag plates (12) are hingedly arranged on the inner top surfaces of the two waste slag outlets (13).

5. The slab energy-saving heating furnace according to claim 1, characterized in that: Two orifice plates (17) are fixedly arranged at the lower side of the end surfaces of the two opposite sides of the two heat-insulating side boxes (4), and gripping columns (8) are rotatably arranged between the front and rear sides of the four orifice plates (17), and the four threaded columns (7) are respectively fixedly arranged on the end surfaces on both sides of the two gripping columns (8).

6. The slab energy-saving heating furnace according to claim 1, characterized in that: The inner walls of the two opposite sides of the front and rear sides of the four inner grooves (5) are each provided with a column groove (18); the four fixing columns (16) are respectively clamped and arranged on the inner walls of the four fixing blocks (1); and the four fixing columns (16) are respectively slidably arranged on the inner walls of the four column grooves (18).

7. The slab energy-saving heating furnace according to claim 1, characterized in that: A stabilizing groove (26) is provided on the lower side of the rear inner wall of the furnace body (2), and the cleaning block (20) is slidably arranged between the stabilizing groove (26) and the slide groove (10).

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