CN213260157U

CN213260157U - A pressed compact device for preparation of iron-making blast furnace owner iron runner

Info

Publication number: CN213260157U
Application number: CN202021734743.9U
Authority: CN
Inventors: 邰可茹
Original assignee: Gongyi New Metallurgical Material Co ltd
Current assignee: Gongyi New Metallurgical Material Co ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-05-25
Anticipated expiration: 2030-08-19

Abstract

The utility model relates to a pressed compact device for preparation of iron-making blast furnace owner iron runner, including the carousel, it is that the circumference is equipped with three group's nib on it, be equipped with down magnet on the carousel top surface that the nib both sides correspond, the nib runs through the carousel and wherein has seted up the through-hole on the base that two sets of nib correspond, a nib top and its through-hole below that corresponds are equipped with hold-down mechanism, the through-hole below that another nib corresponds is equipped with demoulding mechanism, the top of a surplus nib is equipped with automatic quantitative feeding mechanism, automatic quantitative feeding mechanism includes feed cylinder and weighing hopper, feed cylinder bottom intercommunication has the discharging pipe, weighing hopper bottom intercommunication has the unloading pipe, the discharging pipe just is equipped with first solenoid valve on it with weighing hopper top intercommunication, be equipped with the second solenoid valve on the unloading pipe, be equipped with weighing sensor on the weighing. The utility model discloses can realize that the continuous automation of automatic ration reinforced, suppression and drawing of patterns is gone on, the suppression then adopts two-sided pressure material and can bleed, the buffering is handled, guarantees the production efficiency and the quality of adobe.

Description

A pressed compact device for preparation of iron-making blast furnace owner iron runner

Technical Field

The utility model belongs to the technical field of the pressed compact, concretely relates to pressed compact device that is used for preparation of iron-making blast furnace owner iron runner.

Background

The blast furnace tapping channel is an important facility in front of an iron-making blast furnace, and mainly has the functions of buffering iron slag sprayed out from a blast furnace tapping hole, realizing iron slag separation and further respectively conveying the iron slag to a foundry ladle and a slag flushing granulation facility. The iron runner system is mainly divided into a fixed type and a replaceable type according to the structural form, and in order to reduce the lengths of the slag runner and the iron runner, a part of the iron runner system can be made into a tilting type and a swinging type so as to facilitate the flowing away of molten iron or slag.

The iron runner mainly comprises a working lining and a permanent lining, wherein the permanent lining can be generally built by refractory bricks, and the working lining is formed by pouring amorphous refractory materials on the basis of the permanent lining. The production process of the refractory brick for building the permanent lining mainly comprises the working procedures of crushing and mixing raw materials, pressing into a blank, firing the blank, packaging and the like. However, most of the existing firebrick pressing procedures are still performed by using a traditional brick press, the steps of feeding, pressing, demolding and the like are sequentially performed in one-time pressing operation, one green brick is formed at one time, the efficiency is low, the feeding step is manually performed, the error is large, the labor intensity is high, automatic quantitative feeding cannot be realized, and the weight and the specification of the formed green brick are not uniform enough. Meanwhile, in the pressing step, an upper pressing head is mainly matched with a lower die cavity to perform single-side pressing forming, and the problems of uneven material stress, poor air discharge in a die hole and the like exist in the pressing process, so that the material cannot be completely compacted into a green brick by one-time pressing operation, and the production efficiency and the production quality are further reduced. In addition, in the pressing process, a certain buffer mechanism is lacked between the upper die and the lower die, the reset speed is low after the upper die is pressed down, and the upper die is very easy to press down to be over-positioned, so that the upper die and the lower die are collided to cause the damage of corresponding parts, the production safety is low, and the improvement is needed.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a pressed compact device for preparation of iron-making blast furnace owner iron runner can realize that the continuous automation of automatic ration reinforced, suppression and drawing of patterns is gone on, and the suppression process adopts two-sided pressing material and can carry out the operation of bleeding, can carry out buffer treatment simultaneously to solve above-mentioned problem.

In order to achieve the above object, the utility model adopts the following technical scheme: a compact device for preparing a main iron runner of an iron-making blast furnace comprises a base, wherein a turntable is rotatably arranged on the base, three groups of die holes are uniformly distributed on the turntable at intervals on the circumference, lower magnets are respectively arranged on the top surfaces of the turntables corresponding to two sides of the die holes, the die holes penetrate through the turntable, through holes are formed in the positions of the bases corresponding to the two groups of die holes, a pressing mechanism is arranged above one die hole and below the corresponding through hole, a demoulding mechanism is arranged below the through hole corresponding to the other die hole, and an automatic quantitative feeding mechanism is arranged above the rest of the die holes; the automatic quantitative feeding mechanism comprises a charging barrel and a weighing hopper arranged below the charging barrel, the top of the charging barrel is provided with a feeding hopper, the inside of the charging barrel is provided with a stirring assembly, the bottom of the charging barrel is communicated with a discharging pipe, the top of the weighing hopper is closed, the bottom of the weighing hopper is communicated with a discharging pipe, the discharging pipe is communicated with the top of the weighing hopper and provided with a first electromagnetic valve, the discharging pipe is provided with a second electromagnetic valve, and the outer wall of the bottom of the weighing hopper is provided with a weighing sensor; pressing mechanism locates the first hydro-cylinder and the second hydro-cylinder of corresponding through-hole below including the mount of corresponding nib top, the piston rod of first hydro-cylinder is down and fixedly connected with upper die base, the position department that upper die base bottom surface both ends correspond down magnet has set firmly magnetism and the same last magnet of magnet down, the vertical last pressing shaft that is equipped with in upper die base bottom surface center, it is equipped with the top board to go up the pressing shaft bottom, the top board bottom is inlayed and is equipped with ventilative briquetting, be equipped with vertical exhaust passage in the last pressing shaft that ventilative briquetting corresponds, vertical exhaust passage bottom extends to ventilative briquetting top surface, vertical exhaust passage top extends to in the upper die base and through horizontal exhaust passage with set firmly the air pump intercommunication on upper die base one side, the piston rod of second hydro-cylinder up and fixedly connected with holding down plate.

Preferably, a first motor is arranged in the base corresponding to the center of the turntable, and an output shaft of the first motor faces upwards and is fixedly connected with the center of the turntable.

Preferably, the articulated sealed lid that is equipped with on the feeder hopper of feed cylinder, stirring subassembly in the feed cylinder includes vertical and the (mixing) shaft that rotates the setting, the (mixing) shaft top is stretched out the feed cylinder and is connected with the second motor in the transmission, it has a plurality of groups stirring rake to be the interval equipartition about on the (mixing) shaft, and every stirring rake of group comprises a plurality of puddlers, the one end that the (mixing) shaft was kept away from to the puddler all makes progress or the downward sloping setting, and the puddler incline direction of same group stirring rake is the same, and the puddler incline direction of adjacent two sets of.

Preferably, the bottom surfaces of the upper die holders corresponding to the opposite sides of the two upper magnets are respectively and fixedly provided with an elastic cushion block which is longer than the upper magnets.

Preferably, the demoulding mechanism comprises a third oil cylinder which is fixedly erected, a piston rod of the third oil cylinder is upwards, the top end of the third oil cylinder is fixedly connected with an ejection rod, the top end of the ejection rod is downwards inclined towards the direction far away from the base to form an inclined plane, and a rubber pad which is consistent with the inclined angle of the inclined plane is arranged on the inclined plane.

Preferably, a conveying belt is arranged on one side of the rotating disc, which is positioned in the inclined direction of the ejector rod.

Preferably, the die holes are matched with the corresponding through holes, and the upper pressing plate and the lower pressing plate are matched with the corresponding die holes and the corresponding through holes.

Preferably, the bottom surface of the upper pressure plate, the top surface of the lower pressure plate, the die holes and the through holes are coated with release agents.

The utility model has the advantages that: the utility model relates to a rationally, compact structure, the setting of carousel can drive three group's nib on it in proper order through reinforced station, suppression station and drawing of patterns station, can feed in raw material simultaneously, suppress and the drawing of patterns operation, and the cooperation realizes the continuous automation of reinforced, suppression and drawing of patterns to go on, can improve the production efficiency of resistant firebrick pressed compact process greatly.

The automatic quantitative feeding mechanism is arranged, raw materials can be placed in the charging barrel for temporary storage firstly, when feeding is needed, the first electromagnetic valve is opened, the second electromagnetic valve is closed, materials in the charging barrel can be conveyed into the weighing hopper, material weight information in the weighing hopper is detected by the weighing sensor and transmitted to the control center, when the weight information received by the control center reaches a set value, the control center can automatically control to close the first electromagnetic valve and open the second electromagnetic valve, weighed quantitative materials in the weighing hopper are discharged into a die hole below the weighing hopper, automatic quantitative feeding operation is achieved, operation is simple and convenient, labor intensity and operation difficulty of workers can be greatly reduced, feeding accuracy is high, raw material waste can be avoided, the condition that the weight and specification of formed green bricks are not uniform enough is guaranteed, and improvement of finished product quality is facilitated.

The setting of pressing mechanism, the two-sided material of pressing is realized to the cooperation of accessible top board and holding down plate, makes the material atress more even, and the cooperation of accessible ventilative briquetting, vertical exhaust passage, horizontal exhaust passage and air pump realizes the operation of bleeding, in time discharges the air in the nib when the suppression, can guarantee one-time pressing operation alright with the quick compaction of material, and avoid the body to produce the spalling, can further improve resistant firebrick's production efficiency and production quality. Simultaneously, in the pressing process, the like magnetic force that repels between two last magnets on the upper die base and the two lower magnets that correspond on the carousel can play certain cushioning effect to the pushing down motion of upper die base, avoids the upper die base to push down the dislocation, and the condition that prevents the collision damage takes place, improves the production security, and like magnetic force that repels can play certain boosting effect when the upper die base shifts up to reset equally, makes the upper die base reset fast, the follow-up production processing of being convenient for.

Drawings

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

fig. 2 is a schematic top view of the turntable of the present invention;

FIG. 3 is a schematic view of the automatic quantitative charging mechanism of the present invention;

FIG. 4 is a schematic view of the pressing mechanism of the present invention

Fig. 5 is a schematic front view of the demolding mechanism of the present invention.

Reference numbers in the figures: the automatic quantitative feeding device comprises a base 1, a rotary table 2, a first motor 3, a control center 4, an automatic quantitative feeding mechanism 5, a pressing mechanism 6, a lower magnet 7, a die hole 8, a through hole 9, a demoulding mechanism 10, a conveying belt 11, a charging barrel 12, a feeding hopper 13, a sealing cover 14, a second motor 15, a stirring shaft 16, a stirring rod 17, a discharging pipe 18, a first electromagnetic valve 19, a weighing hopper 20, a weighing sensor 21, a discharging pipe 22, a second electromagnetic valve 23, a first oil cylinder 24, an upper die base 25, an upper magnet 26, an elastic cushion block 27, an upper pressing shaft 28, an upper pressing plate 29, an air-permeable pressing block 30, a longitudinal exhaust channel 31, a transverse exhaust channel 32, an air pump 33, a lower pressing plate 34, a second oil cylinder 35, a third oil cylinder 36, a material ejecting rod 37 and a rubber pad 38.

Detailed Description

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

as shown in fig. 1 to 5, a briquetting apparatus for preparing a main iron runner of an iron-making blast furnace includes a base 1. The base 1 is last to rotate and to be equipped with carousel 2, is the circumference interval equipartition on the carousel 2 and has three group's nib 8, can drive three group's nib 8 on it through the rotation of carousel 2 in proper order through reinforced station, suppression station and drawing of patterns station, can add material to each other simultaneously, suppress and the drawing of patterns operation, the cooperation realizes reinforced material to each other, suppresses the continuous automation of drawing of patterns and goes on, can improve the production efficiency of resistant firebrick pressed compact process greatly. The top surfaces of the turntables 2 corresponding to the two sides of the die holes 8 are provided with lower magnets 7 for being matched with the pressing step for buffering. The mold holes 8 penetrate through the turntable 2, through holes 9 are formed in the positions, corresponding to the two sets of mold holes 8, of the base 1, pressing mechanisms 6 are arranged above one mold hole 8 and below the corresponding through hole 9, demolding mechanisms 10 are arranged below the through hole 9 corresponding to the other mold hole 8, and automatic quantitative feeding mechanisms 5 are arranged above the rest mold hole 8 and used for sequentially achieving feeding, pressing and demolding operations.

The automatic quantitative feeding mechanism 5 comprises a charging barrel 12 and a weighing hopper 20 arranged below the charging barrel 12, wherein the charging barrel 12 is used for temporarily storing production raw materials, and the weighing hopper 20 is used for matching to quantitatively weigh the materials. The top of feed cylinder 12 is equipped with feeder hopper 13, inside is equipped with the stirring subassembly, the bottom intercommunication has discharging pipe 18, distributes for feeding, stirring and the ejection of compact. The top of the weighing hopper 20 is closed, the bottom of the weighing hopper 20 is communicated with a discharging pipe 22, the discharging pipe 18 is communicated with the top of the weighing hopper 20 and is provided with a first electromagnetic valve 19, the discharging pipe 22 is provided with a second electromagnetic valve 23, and the outer wall of the bottom of the weighing hopper 20 is provided with a weighing sensor 21. When the automatic quantitative charging device is in practical use, the base 1 is provided with the control center 4, the first electromagnetic valve 19, the second electromagnetic valve 23 and the weighing sensor 21 are all electrically connected with the control center 4, when charging is needed, the first electromagnetic valve 19 is opened, the second electromagnetic valve 23 is closed, so that materials in the charging barrel 12 can be conveyed into the weighing hopper 20, the weighing sensor 21 is used for detecting weight information of the materials in the weighing hopper 20 and transmitting the weight information to the control center 4, when the weight information received by the control center 4 reaches a set value, the control center 4 can automatically control to close the first electromagnetic valve 19 and open the second electromagnetic valve 23, so that weighed quantitative materials in the weighing hopper 20 are discharged into a die hole 8 below the weighing hopper, automatic quantitative charging operation is realized, the operation is simple and convenient, the labor intensity and the operation difficulty of workers can be greatly reduced, the charging accuracy is high, the waste of raw materials can be avoided, and the weight and specification of a formed brick blank, is favorable for improving the quality of finished products of the refractory bricks.

The pressing mechanism 6 comprises a first oil cylinder 24 with a fixed frame arranged above the corresponding die hole 8 and a second oil cylinder 35 with a fixed frame arranged below the corresponding through hole 9. The piston rod of the first oil cylinder 24 faces downwards and is fixedly connected with an upper die holder 25, and the upper die holder 25 is driven to lift by the extension and contraction of the piston rod of the first oil cylinder 24, so that the pressing operation is carried out in a matching mode. The upper magnets 26 with the same magnetism as the lower magnets 7 are fixedly arranged at the two ends of the bottom surface of the upper die base 25 corresponding to the lower magnets 7, certain buffering effect can be achieved on the downward pressing movement of the upper die base 25 by utilizing the like magnetic force of repulsion between the two upper magnets 26 and the two corresponding lower magnets 7 in the pressing process, the upper die base 25 is prevented from being pressed excessively, the collision damage is prevented, the production safety is improved, and the like magnetic force of repulsion can play a certain boosting effect when the upper die base 25 moves upwards and resets, so that the upper die base 25 is quickly reset, and the subsequent production and processing are facilitated. An upper pressing shaft 28 is vertically arranged at the center of the bottom surface of the upper die holder 25, an upper pressing plate 29 is arranged at the bottom end of the upper pressing shaft 28, and a breathable pressing block 30 is embedded at the bottom of the upper pressing plate 29. A longitudinal exhaust channel 31 is arranged in the upper pressing shaft 28 corresponding to the gas permeable pressing block 30, and the bottom end of the longitudinal exhaust channel 31 extends to the top surface of the gas permeable pressing block 30. The top end of the longitudinal exhaust passage 31 extends into the upper die base 25 and is communicated with an air pump 33 fixed on one side of the upper die base 25 through a transverse exhaust passage 32. Piston rod of second hydro-cylinder 35 is up and fixedly connected with holding down plate 34, make when the suppression, can realize two-sided pressure material through the cooperation of top board 29 with holding down plate 34, make the material atress more even, realize air exhaust operation simultaneously through ventilative briquetting 30, vertical exhaust passage 31, horizontal exhaust passage 32 and air pump 33's cooperation, in time discharge the air in the nib 8, can guarantee that one-time pressing operation alright with the quick compaction of material, and avoid the body to produce the spalling, can further improve the production efficiency and the production quality of resistant firebrick.

In this embodiment, be equipped with first motor 3 in the base 1 that the center of carousel 2 corresponds, the output shaft of first motor 3 up and with the center fixed connection of carousel 2 for when using, utilize first motor 3 to provide power, alright drive carousel 2 and rotate, thereby the cooperation carries out the pressed compact operation. First motor 3 can adopt conventional step motor, and the angle that easily is convenient for control carousel 2 to rotate once realizes the clearance of carousel 2 and rotates to the continuous automated production of cooperation reinforced, suppression and drawing of patterns.

In this embodiment, the articulated sealed lid 14 that is equipped with on feeder hopper 13 of feed cylinder 12 for guarantee the leakproofness of feed cylinder 12, avoid raw materials for production to receive the pollution in the storage process, it can avoid raw materials for production to leak from the dust that the storage stirring in-process produced, avoids producing dust pollution. Stirring subassembly in the feed cylinder 12 includes vertical and rotates the (mixing) shaft 16 that sets up, the top of (mixing) shaft 16 stretches out feed cylinder 12 and the transmission is connected with second motor 15, it has a plurality of groups stirring rake to be the interval equipartition about on the (mixing) shaft 16, make when using, accessible second motor 15 provides power, it rotates to drive the (mixing) shaft 16 and the stirring rake on it, thereby realize the stirring to the production raw materials of storage, with the material homogeneity of guaranteeing the production raw materials, be favorable to improving resistant firebrick's finished product quality, and can avoid the material to pile up the blocking, guarantee the smooth ejection of compact of material, make follow-up operation go on smoothly. Every group stirring rake comprises a plurality of puddlers 17, and the one end that (mixing) shaft 16 was kept away from to puddler 17 all upwards or the downward sloping setting, and the puddler 17 incline direction of same group stirring rake is the same, and the puddler 17 incline direction of adjacent two sets of stirring rakes is opposite, can make when the stirring form the layer-to-layer convection between the material of co-altitude, can strengthen the effect of stirring greatly, further improves the degree of consistency of material, guarantees follow-up stable production smoothly.

In this embodiment, two upper die base 25 bottom surfaces that go up magnet 26 and correspond mutually in one side that the back of the body is mutually all set firmly and are longer than the elastic cushion block 27 of magnet 26 for at upper die base 25 pushing down the in-process, elastic cushion block 27 can be earlier further contact carousel 2 and pressurized and produce deformation, and the effect of buffering can further be played to the elasticity reaction force that utilizes elastic cushion block 27 deformation to form, further improves the production security.

In this embodiment, the demolding mechanism 10 includes a third oil cylinder 36 fixedly mounted, a piston rod of the third oil cylinder 36 is upward, and a top end of the third oil cylinder 36 is fixedly connected with an ejector rod 37, when demolding is required, the piston rod of the third oil cylinder 36 extends to push the ejector rod 37 to move upward, so that the ejector rod 37 passes through the corresponding through hole 9 to extend into the corresponding mold hole 8 and continuously rise, and the pressed green brick can be ejected from the corresponding mold hole 8. The top of ejector beam 37 is equipped with the inclined plane towards the direction downward sloping of keeping away from base 1, and the adobe of being convenient for by the ejecting can the orientation fall down, makes things convenient for follow-up ejection of compact. The inclined plane is provided with a rubber pad 38 with the same inclination angle as the inclined plane, so as to play a role in buffering and protection and avoid the damage to the lower surface of the green brick when the green brick is ejected out of the inclined plane. The turntable 2 is provided with a conveyor belt 11 at one side in the inclined direction of the ejector rod 37 for receiving and conveying the ejected green bricks.

In the present embodiment, the mold holes 8 are matched with the corresponding through holes 9, and the upper pressing plate 29 and the lower pressing plate 34 are matched with the corresponding mold holes 8 and through holes 9. The bottom surface of the upper pressing plate 29, the top surface of the lower pressing plate 34, the die holes 8 and the through holes 9 are coated with release agents (not shown in the figure), so that the upper pressing plate 29 and the lower pressing plate 34 can be conveniently separated from the green bricks to reset after the pressing is finished, the demoulding operation is more convenient, and the green bricks can be completely demoulded.

The utility model discloses a theory of operation: the utility model discloses when using, feed hopper 13 through feed cylinder 12 top earlier sends into raw materials for production and keeps in feed cylinder 12, starts second motor 15 simultaneously, drives (mixing) shaft 16 and the puddler 17 rotation on it to stir the material, prevent the material caking, guarantee that the material is even. When a blank pressing process is required, the first electromagnetic valve 19 is opened through the control center 4, the second electromagnetic valve 23 is closed, materials in the material barrel 12 can be conveyed to the weighing hopper 20, the weighing sensor 21 detects weight information of the materials in the weighing hopper 20 in real time and transmits the weight information to the control center 4, and when the weight information received by the control center 4 reaches a set value, the control center 4 can automatically control to close the first electromagnetic valve 19 and open the second electromagnetic valve 23, so that weighed quantitative materials in the weighing hopper 20 are discharged into a die hole 8 below the weighing hopper, and automatic quantitative feeding operation is achieved.

When the material in the weighing hopper 20 completely falls into the die holes 8 below the weighing hopper, the control center automatically controls to close the second electromagnetic valve 23 and open the first electromagnetic valve 19 again according to the change of the weight information of the weighing hopper 20 transmitted by the weighing sensor 21, carries out next quantitative weighing and feeding according to the previous steps, simultaneously controls the first motor 3 to operate, drives the turntable 2 to rotate 120 degrees, so that the die holes 8 with the material are firstly rotated to the pressing mechanism 6, at the moment, the first oil cylinder 24 and the second oil cylinder 35 operate, the first oil cylinder 24 drives the upper die base 25 and the upper pressing plate 29 thereon to move downwards and press into the die holes 8 below the upper die base, the second oil cylinder 35 drives the lower pressing plate 34 to move upwards, so that the lower pressing plate 34 also extends into the corresponding die holes 8 after passing through the corresponding through holes 9 on the base 1, and then double-sided pressing can be realized through the matching of the upper pressing plate 29 and the lower pressing plate 34, so that the material is uniformly stressed, the profiling quality is ensured, in the process, the air pump 33 runs, the corresponding die holes 8 are pumped through the cooperation of the air-permeable pressing block 30, the longitudinal exhaust channel 31 and the transverse exhaust channel 32, the green body is prevented from being delaminated, the material is more easily compacted, and the quality of the formed green brick is improved.

After pressing, the first oil cylinder 24 and the second oil cylinder 35 respectively drive the upper pressing plate 29 and the lower pressing plate 34 to return, the turntable 2 rotates 120 degrees again, the die holes 8 with the green bricks are rotated to the demolding mechanism 10, at the moment, the third oil cylinder 36 operates, the piston rods of the third oil cylinder extend to drive the material ejecting rods 37 to move upwards, the material ejecting rods 37 extend into the corresponding die holes 8 after passing through the corresponding through holes 9, the pressed green bricks are ejected, and the ejected green bricks are directionally dropped on the conveying belt 11 under the action of the inclined surfaces of the material ejecting rods 37, so that demolding operation is completed.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A pressed compact device for preparing a main iron runner of an iron-making blast furnace comprises a base and is characterized in that a rotary disc is rotatably arranged on the base, three groups of die holes are uniformly distributed on the rotary disc at intervals on the circumference, lower magnets are arranged on the top surfaces of the rotary discs corresponding to two sides of each die hole, the die holes penetrate through the rotary disc, through holes are formed in the positions of the base corresponding to the two groups of die holes, a pressing mechanism is arranged above one die hole and below the corresponding through hole, a demoulding mechanism is arranged below the through hole corresponding to the other die hole, and an automatic quantitative feeding mechanism is arranged above the rest of the die holes; the automatic quantitative feeding mechanism comprises a charging barrel and a weighing hopper arranged below the charging barrel, the top of the charging barrel is provided with a feeding hopper, the inside of the charging barrel is provided with a stirring assembly, the bottom of the charging barrel is communicated with a discharging pipe, the top of the weighing hopper is closed, the bottom of the weighing hopper is communicated with a discharging pipe, the discharging pipe is communicated with the top of the weighing hopper and provided with a first electromagnetic valve, the discharging pipe is provided with a second electromagnetic valve, and the outer wall of the bottom of the weighing hopper is provided with a weighing sensor; pressing mechanism locates the first hydro-cylinder and the second hydro-cylinder of corresponding through-hole below including the mount of corresponding nib top, the piston rod of first hydro-cylinder is down and fixedly connected with upper die base, the position department that upper die base bottom surface both ends correspond down magnet has set firmly magnetism and the same last magnet of magnet down, the vertical last pressing shaft that is equipped with in upper die base bottom surface center, it is equipped with the top board to go up the pressing shaft bottom, the top board bottom is inlayed and is equipped with ventilative briquetting, be equipped with vertical exhaust passage in the last pressing shaft that ventilative briquetting corresponds, vertical exhaust passage bottom extends to ventilative briquetting top surface, vertical exhaust passage top extends to in the upper die base and through horizontal exhaust passage with set firmly the air pump intercommunication on upper die base one side, the piston rod of second hydro-cylinder up and fixedly connected with holding down plate.

2. A green compact apparatus for preparing a main iron runner of an iron making blast furnace as claimed in claim 1, wherein a first motor is provided in the base corresponding to the center of the turntable, and an output shaft of the first motor faces upward and is fixedly connected with the center of the turntable.

3. A green compact device for preparation of iron-making blast furnace main runner according to claim 1, characterized in that, the articulated sealed lid that is equipped with on the feeder hopper of feed cylinder, stirring subassembly in the feed cylinder includes vertical and the (mixing) shaft that rotates the setting, the (mixing) shaft top is stretched out the feed cylinder and is connected with the second motor in the transmission, be the interval equipartition from top to bottom on the (mixing) shaft and have a plurality of groups stirring rake, every group stirring rake comprises a plurality of puddlers, the one end that the (mixing) shaft was kept away from to the puddler all upwards or the downward sloping setting, and the puddler incline direction of same group stirring rake is the same, and the puddler incline direction of two adjacent groups.

4. The apparatus as claimed in claim 1, wherein the bottom surface of the upper die base corresponding to the opposite sides of the upper magnets is provided with a resilient pad longer than the upper magnets.

5. A compact pressing apparatus for preparing a main iron runner of an iron-making blast furnace as claimed in claim 1, wherein said ejection mechanism comprises a third oil cylinder fixedly mounted, a piston rod of said third oil cylinder is upward and a top end thereof is fixedly connected with an ejector rod, a top end of said ejector rod is provided with an inclined surface inclined downward toward a direction away from the base, said inclined surface is provided with a rubber pad corresponding to the inclined angle thereof.

6. A green compact apparatus for manufacturing a main runner of an iron-making blast furnace according to claim 5, wherein a conveyer belt is provided on a side of the rotary table in a direction in which the ejector pins are inclined.

7. A compact apparatus as claimed in claim 1, wherein the die holes are adapted to the corresponding through holes, and the upper and lower press plates are adapted to the corresponding die holes and through holes.

8. A green compact apparatus for use in preparation of main runner of iron making blast furnace according to claim 7, wherein said bottom surface of said upper press plate, said top surface of said lower press plate, said die holes and said through holes are coated with release agent.