CN212603253U - Large-tonnage compression molding blast furnace carbon block production line - Google Patents

Abstract

The utility model relates to a blast furnace charcoal piece production technical field provides a large-tonnage compression molding blast furnace carbon piece production line, which comprises a frame, the mould sets up in the frame, and the mould includes, and the module is provided with the extrusion passageway in the module, and the lower punch slides and sets up in the extrusion passageway, and the press sets up in the frame, and the press includes, the top punch for in stretching into the extrusion passageway, back in the top punch stretches into the extrusion passageway, top punch, formation die cavity between extrusion passageway and the lower punch, evacuating device sets up in the frame, through pipeline and die cavity intercommunication. Through the technical scheme, the problem of poor production quality of the blast furnace carbon blocks in the prior art is solved.

Description

Large-tonnage compression molding blast furnace carbon block production line

Technical Field

The utility model relates to a blast furnace carbon block production technical field, it is specific, relate to a large-tonnage compression molding blast furnace carbon block production line.

Background

The blast furnace carbon block is a refractory lining material used for the hearth and the bottom of the blast furnace, and the quality of the blast furnace carbon block determines the service life of the first-generation blast furnace. Generally, the manufacturing method of the blast furnace carbon block comprises the following steps: the method comprises the steps of crushing, screening and grinding the raw materials of calcined anthracite, coke, artificial graphite, crystalline flake graphite, soil-like graphite and the like serving as carbon aggregates, accurately mixing the raw materials according to a certain particle size composition, adding the raw materials into a special kneading pot to be heated and dry-mixed, adding high-molecular compounds such as coal tar pitch, phenolic resin and the like serving as binders into the kneading pot after the dry-mixed mixture reaches a certain temperature, carrying out wet kneading with the carbon aggregates, adding the kneaded bulk material paste into a paste cylinder and a mould nozzle of an extruder to be extruded or into a mould of a vibration forming machine to be vibration-formed, and roasting the formed raw carbon blocks in coke powder to form the coke.

For quality reasons, 2000m is currently in China³Most of the carbon blocks used in key parts of the large blast furnace hearth are provided by carbon companies in Germany and Japan, and the carbon blocks produced by China are only suitable for furnace bottom parts of small and medium-sized blast furnaces and large blast furnaces. With the advantages of enhanced smelting, energy, production efficiency and the like, medium and small blast furnaces are gradually eliminated, and large blast furnaces are gradually increased. Therefore, the production process and quality of the blast furnace carbon block in China need to be upgraded and improved urgently.

For many years, domestic blast furnace carbon blocks are mainly produced in a vibration molding and extrusion molding mode. The vibration forming method is that bulk paste is loaded into a steel mould which is arranged on a vibration platform, the upper surface of the mould is open, a heavy hammer is arranged on the bulk paste, in the forming process, an eccentric block below the vibration platform is driven by a motor to rotate, so that the whole system generates vibration, the vibration frequency is 20-50Hz, the amplitude is 0.3-2mm, and the bulk paste is compacted under the action of the vibration exciting force, the gravity of the bulk paste and the interparticle friction force, so that the forming purpose is achieved. In the vibration molding mode, the bulk material paste is only subjected to the pressure of a heavy hammer, the pressure is small and is only about 0.1-0.5MPa, the bulk material paste is mainly subjected to densification by the exciting force generated by vibration, the compactness, the strength and the like of a product are limited, and the internal uniformity is poor; the extrusion molding is to load the bulk material paste into a material cylinder of an extruder, and the bulk material paste is extruded and molded from a molding nozzle part under the pressure of a plunger of the extruder. Although the extrusion molding material is greatly pressed and reaches more than 10MPa, due to the particularity of the molding process, more binders are needed to ensure that the extruded product does not crack, the product performance is greatly influenced, the process difficulty is high, particularly square products, the production technology is difficult to master, batch waste products are easy to generate, and the internal structure is not uniform.

SUMMERY OF THE UTILITY MODEL

The utility model provides a large-tonnage compression molding blast furnace carbon piece production line has solved the relatively poor problem of blast furnace carbon piece production quality among the prior art.

The technical scheme of the utility model as follows:

the method comprises the following steps:

a machine frame, a plurality of guide rails and a plurality of guide rails,

a mold disposed on the frame, the mold comprising,

a module, wherein the module is provided with an extrusion channel,

a lower punch slidably disposed within the extrusion channel,

a press disposed on the frame, the press comprising,

the upper punch is used for extending into the extrusion channel, after the upper punch extends into the extrusion channel, a die cavity is formed among the upper punch, the extrusion channel and the lower punch,

and the vacuumizing device is arranged on the rack and is communicated with the die cavity through a pipeline.

As a further technical solution, it also includes,

a guide rail arranged on the frame,

the die is arranged on the guide rail in a sliding mode, and the die enters or slides out of the press machine after sliding.

As a further technical solution, it also includes,

the demoulding device is arranged on the frame and is positioned at one side of the press,

the die is positioned on the press or the demolding device after sliding.

As a further technical proposal, the demoulding device comprises,

a slide rail arranged on the frame,

the top piece is arranged on the slide rail in a sliding manner and used for pushing the lower punch,

and the cylinder body is arranged on the rack, and a telescopic rod of the cylinder body is connected with the top piece.

As a further technical solution, it also includes,

a storage bin arranged on the frame,

the feeding device is arranged on the rack and located below the storage bin, and the feeding device is connected between the storage bin and the mold.

As a further technical proposal, the feeding device comprises,

a second guide rail arranged on the frame,

the belt conveyor slides and sets up on the second guide rail, the belt conveyor be used for to carry the material in the extrusion passageway.

As a further technical solution, it is proposed that,

the vacuum pumping device is a vacuum pumping pump.

As a further technical scheme, the device further comprises a material pushing device arranged on one side of the demolding device, and the material pushing device is used for pushing away the demolded workpiece.

As a further technical solution, the material pushing device comprises,

the guide sleeve is arranged on the upper end of the guide sleeve,

a sliding rod which is arranged in the guide sleeve in a sliding way,

a push block arranged at one end of the slide bar,

and the cylinder body of the second cylinder is arranged on the rack, and a telescopic rod of the second cylinder is connected with the push block.

The utility model discloses a theory of operation and beneficial effect do:

in the utility model, the lower punch is arranged in the extrusion channel in a sliding way, and the lower punch and the inner wall of the extrusion channel are kept sealed, the extrusion channel and the lower punch form a cylindrical container, the lower punch is the bottom of the extrusion channel, after materials are added into the extrusion channel, the module is placed in the press, the upper punch is driven to move in the extrusion channel, when the upper punch enters the extrusion channel, the upper punch and the inner wall of the extrusion channel are sealed, a die cavity is formed between the upper punch, the lower punch and the extrusion channel, the materials are positioned in the die cavity, when the vacuumizing device is started, the pressure in the die cavity is reduced, the upper punch and the lower punch move in the direction close to each other, thereby playing the role of the materials in the extrusion die cavity, realizing the bidirectional pressing of the materials by the upper punch and the lower punch, leading the internal structure of the blast furnace carbon block to be more uniform and having the, will be more closely knit to the material extrusion in-process, greatly reduced the probability of the condition of ftractureing to because can improve the extrusion force, so can reduce the addition of binder, reduce cost realizes pressing out closely knit degree height, intensity height, blast furnace carbon block that inner structure is even, improved the quality of blast furnace carbon block production.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic top view of the present invention;

FIG. 2 is a schematic cross-sectional view of A-A1 of FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of a portion B of FIG. 2 according to the present invention;

FIG. 4 is a schematic structural view of the upper punch, the die and the lower punch of the present invention;

FIG. 5 is a schematic structural view of the demolding device of the present invention;

FIG. 6 is a schematic view of the pushing device of the present invention;

in the figure: 1-a frame, 2-a die, 21-a module, 22-an extrusion channel, 23-a lower punch, 3-a press, 31-an upper punch, 4-a vacuumizing device, 5-a guide rail, 6-a demoulding device, 61-a slide rail, 62-a top piece, 63-an air cylinder, 7-a storage bin, 8-a feeding device, 81-a second guide rail, 82-a belt conveyor, 9-a pushing device, 91-a guide sleeve, 92-a slide bar, 93-a push block and 94-a second air cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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. All other embodiments, which can be obtained by a person skilled in the art without any inventive work, are related to the scope of the present invention.

As shown in fig. 1-6, the utility model provides a large-tonnage compression molding blast furnace carbon block production line, include:

the machine frame (1) is provided with a frame,

a mold 2 arranged on the frame 1, the mold 2 comprising,

a module 21, an extrusion channel 22 is arranged on the module 21,

a lower punch 23, slidably disposed within the extrusion channel 22,

a press 3 arranged on the frame 1, the press 3 comprising,

an upper punch 31 for extending into the extrusion channel 22, wherein after the upper punch 31 extends into the extrusion channel 22, a die cavity is formed among the upper punch 31, the extrusion channel 22 and the lower punch 23,

and the vacuumizing device 4 is arranged on the rack 1 and is communicated with the die cavity through a pipeline.

In this embodiment, the lower punch 23 is slidably disposed in the extrusion channel 22, and the lower punch 23 and the inner wall of the extrusion channel 22 are kept sealed, the extrusion channel 22 and the lower punch 23 form a cylindrical container, the lower punch 23 is the bottom of the extrusion channel 22, after the material is added into the extrusion channel 22, the module 21 is placed in the press 3, the upper punch 31 is driven to move into the extrusion channel 22, after the upper punch 23 enters the extrusion channel 22, the upper punch 31 and the inner wall of the extrusion channel 22 are sealed, a die cavity is formed between the upper punch 31, the lower punch 23 and the extrusion channel 22, the material is located in the die cavity, when the vacuum extractor 4 is started, the pressure in the die cavity becomes small, the upper punch 31 and the lower punch 23 move in the direction close to each other, thereby playing a role in extruding the material cavity, and realizing the bidirectional pressing of the material by the upper punch 31 and the lower punch 23, the blast furnace carbon block has the advantages that the internal structure of the blast furnace carbon block is more uniform, the limit of the die cavity is realized, the material extrusion process is more compact, the probability of cracking is greatly reduced, the extrusion force can be improved, the addition amount of a binder can be reduced, the cost is reduced, the compaction degree is high, the strength is high, the blast furnace carbon block with the uniform internal structure is pressed, and the production quality of the blast furnace carbon block is improved.

Further, the method also comprises the following steps of,

a guide rail 5 which is arranged on the frame 1,

the die 2 is arranged on the guide rail 5 in a sliding mode, and the die 2 enters or slides out of the press 3 after sliding.

In this embodiment, mould 2 slides and sets up on guide rail 5 to mould 2 can roll off press 3 or slide in press 3, behind the roll-off press 3, at first can take out the blast furnace charcoal piece that the suppression is good, secondly can add the material to in mould 2, after adding the material to in mould 2, slide and get into in the press 3, thereby realize once more that thereby produce the blast furnace charcoal piece to the suppression of 2 interior materials of module, it is all very convenient to add the material and take out the blast furnace charcoal piece.

Further, the method also comprises the following steps of,

a demoulding device 6 arranged on the frame 1, wherein the demoulding device 6 is positioned at one side of the press 3,

the mould 2 slides and is then positioned on the press 3 or the stripping device 6.

In this embodiment, shedder 6 sets up in the below of guide rail 5, and after mould 2 rolled out in press 3, mould 2 was located shedder 6's top, then shedder 6 operation, has realized the drawing of patterns of the blast furnace charcoal piece in the mould 2, has saved the manpower, has reduced the cost of labor.

Further, the demolding device 6 includes,

a slide rail 61 arranged on the frame 1,

a top piece 62, which is arranged on the slide rail 61 in a sliding way, the top piece 62 is used for pushing the lower punch 23,

and the cylinder body 63 is arranged on the frame 1, and the telescopic rod of the cylinder body is connected with the top piece 62.

In this embodiment, the telescopic link of cylinder 63 stretches out, then drive ejector 62 and push lower punch 23 to the one end that extrusion channel 22 kept away from lower punch 23, then lower punch 23 promotes the blast furnace charcoal piece and moves outside extrusion channel 22, after in the blast furnace charcoal piece is pushed out mould 2 completely, realize the drawing of patterns operation, then add the material to in the mould 2, under the effect of material gravity, lower punch 23 returns the bottom of extrusion channel 22, be provided with the stopper in the bottom, prevent that lower punch 23 from the bottom roll-off of extrusion channel 22.

Further, the method also comprises the following steps of,

a storage bin 7 arranged on the frame 1,

and the feeding device 8 is arranged on the frame 1, the feeding device 8 is positioned below the storage bin 7, and the feeding device 8 is connected between the storage bin 7 and the die 2.

In this embodiment, there is the puddler in the storage silo 7, realizes the misce bene of material in the storage silo 7, and the storage silo 7 is used for storing the material, is provided with the material export in the bottom of storage silo 7, when needs are to carry the material in mould 2, opens the material export, and the material has reduced manual operation's work load on the material arrives loading attachment 8 through the material export, transports the material in to mould 2 through loading attachment 8.

Further, the feeding device 8 comprises a feeding device,

a second guide rail 81 provided on the frame 1,

and the belt conveyor 82 is slidably arranged on the second guide rail 81, and the belt conveyor 82 is used for conveying materials into the extrusion channel 22.

In this embodiment, the belt conveyor 82 is integrally arranged on the second guide rail 81 in a reciprocating sliding manner, and when the materials are fed into the mold 2, the belt conveyor 82 can slide and convey the materials at the same time, so that the materials can be conveyed into the mold 2 more uniformly, the situations that the materials in the middle are more and the materials in other places are less are prevented, the uniformity of the pressed materials is improved, and the production quality of the blast furnace carbon blocks is improved.

Further, the vacuum-pumping device 4 is a vacuum-pumping pump.

In this embodiment, the vacuum pumping device 4 is a vacuum pumping pump, the vacuum pumping pump technology is relatively mature, the cost is low, and the use cost is reduced.

Further, the device comprises a material pushing device 9 arranged on one side of the demolding device 6, wherein the material pushing device 9 is used for pushing away the demolded workpiece.

In this embodiment, the material pushing device 9 is arranged, so that after the blast furnace carbon block is demolded, the material pushing device 9 is started to push the demolded blast furnace carbon block onto the material receiving plate, thereby performing lower-side work and reducing the manual operation amount.

Further, the pushing device 9 comprises a pushing device,

the guide sleeve (91) is provided with a guide sleeve,

a slide rod 92 slidably disposed in the guide sleeve 91,

a push block 93, which is arranged at one end of the slide rod 92,

and the second cylinder 94 is arranged on the frame 1, and an expansion rod of the second cylinder is connected with the push block 93.

In this embodiment, the second cylinder 94 operates to realize the movement of the push block 93, and the push block 93 further realizes the function of pushing the blast furnace carbon block.

Further, a weighing sensor is arranged below the storage bin 7.

In this embodiment, through set up weighing sensor under storage silo 7, can realize weighing to storage silo 7 to can control to realize carrying out the material of the same weight in storage silo 7 at every turn, realized the uniformity of suppression blast furnace charcoal piece.

Description of the flow: the material storage bin 7 conveys materials into the die 2 through the feeding device 8, the die 2 slides into the press 3, the upper punch 31 moves downwards to enter the die 2, the vacuumizing device 4 vacuumizes to press the blast furnace carbon block, after the blast furnace carbon block is successfully pressed, the upper punch 31 moves upwards, the die 2 slides out of the press 2, the demolding device 6 operates to realize demolding of the blast furnace carbon block, then the pushing device 9 operates to push the blast furnace carbon block onto the receiving plate, the whole process is completed, and the pressing production of the blast furnace carbon block is continuously completed according to the process circulation.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. A large-tonnage compression molding blast furnace carbon block production line is characterized by comprising,

a machine frame (1),

a mould (2) arranged on the frame (1), the mould (2) comprising,

a module (21), an extrusion channel (22) is arranged on the module (21),

a lower punch (23) slidably disposed within the extrusion channel (22),

a press (3) arranged on the frame (1), the press (3) comprising,

an upper punch (31) for extending into the extrusion channel (22), wherein a die cavity is formed among the upper punch (31), the extrusion channel (22) and the lower punch (23) after the upper punch (31) extends into the extrusion channel (22),

and the vacuumizing device (4) is arranged on the rack (1) and is communicated with the die cavity through a pipeline.

2. The production line of large-tonnage compression molding blast furnace carbon blocks as claimed in claim 1, further comprising,

a guide rail (5) arranged on the frame (1),

the die (2) is arranged on the guide rail (5) in a sliding mode, and the die (2) enters or slides out of the press (3) after sliding.

3. The production line of large-tonnage compression molding blast furnace carbon blocks as claimed in claim 2, further comprising,

the demoulding device (6) is arranged on the frame (1), the demoulding device (6) is positioned at one side of the press (3),

the mould (2) is positioned on the press (3) or the demoulding device (6) after sliding.

4. A large-tonnage compression molding forming blast furnace carbon block production line according to claim 3, wherein the demolding device (6) comprises,

a slide rail (61) arranged on the frame (1),

a top piece (62) arranged on the slide rail (61) in a sliding way, wherein the top piece (62) is used for pushing the lower punch (23),

and the cylinder body is arranged on the rack (1), and the telescopic rod of the cylinder body is connected with the top piece (62).

5. The production line of large-tonnage compression molding blast furnace carbon blocks as claimed in claim 1, further comprising,

a storage bin (7) arranged on the frame (1),

the feeding device (8) is arranged on the rack (1), the feeding device (8) is located below the storage bin (7), and the feeding device (8) is connected between the storage bin (7) and the mold (2).

6. A large-tonnage compression molding forming blast furnace carbon block production line according to claim 5, wherein said feeding device (8) comprises,

a second guide rail (81) arranged on the frame (1),

and the belt conveyor (82) is arranged on the second guide rail (81) in a sliding mode, and the belt conveyor (82) is used for conveying materials into the extrusion channel (22).

7. The production line of large-tonnage compression molding blast furnace carbon blocks as claimed in claim 1,

the vacuum pumping device (4) is a vacuum pumping pump.

8. The large-tonnage compression molding blast furnace carbon block production line according to claim 3, further comprising a material pushing device (9) arranged on one side of the demolding device (6), wherein the material pushing device (9) is used for pushing away the demolded workpiece.

9. The large-tonnage compression molding forming blast furnace carbon block production line according to claim 8, wherein the material pushing device (9) comprises,

a guide sleeve (91),

a slide rod (92) which is arranged in the guide sleeve (91) in a sliding way,

a push block (93) arranged at one end of the slide bar (92),

and the cylinder body of the second cylinder (94) is arranged on the rack (1), and the telescopic rod of the second cylinder is connected with the push block (93).

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