CN202246073U - Furnace body structure with pushing electrode sliding back and forth of internally-heated and serially-connected graphitization furnace - Google Patents

Abstract

A furnace body structure with pushing electrodes sliding back and forth of an internally-heated and serially-connected graphitization furnace is disclosed, which relates to a furnace body structure of a graphitization furnace, wherein a middle refractory wall (9) is disposed on the front and rear of a refractory brick furnace bottom (8) respectively; the two middle refractory walls and the both ends of the refractory brick furnace bottom are butted with end part refractory walls (10) to form a rectangular furnace body; furnace side supports (12) are disposed on the lower parts of the end part refractory walls at the both ends of the furnace body; the mandrils (3) of pushing devices (1) on the upper parts of two supports (2) are correspondingly; a square electrode (4) is disposed at the inner ends of the two mandrils respectively; the two square electrodes penetrate through graphite bearings (11) disposed on the furnace side supports respectively; and current distribution plates (5) are disposed on the corresponding surfaces of the two square electrodes in the furnace body respectively. In the furnace body structure with pushing electrodes sliding back and forth of an internally-heated and serially-connected graphitization furnace disclosed by the utility model, the pushing electrodes are formed to be square structures, so that the pushing electrodes are convenient to slide back and forth; and the damage on the end part refractory walls and the influence on the safe operation of the graphitization furnace caused by the slide blockage of the pushing electrodes can be efficiently avoided.

Description

The furnace binding that a kind of top-push electrode of internal thermal serial graphitized stove reciprocatingly slides

[technical field]

The utility model relates to a kind of furnace binding of graphitizing furnace, especially relates to the furnace binding that a kind of top-push electrode of internal thermal serial graphitized stove reciprocatingly slides.

[background technology]

At present, the large-scale graphitized cathode carbon block that is used for aluminium cell is with good thermoelectric conductivity and anti-sodium corrodibility and be widely used.And internal thermal serial graphitized stove is the main Thermal Equipment of critical process in the graphite cathode production process, and the plain greying production requirement of charcoal is heated to high temperature and greying more than 2600 ℃ with the raw material briquet.The serial graphitized electric furnace of general employing in the prior art; With the raw material briquet energising of serial connection each other, in more than 100 hours before and after the operation of switching on, need the external world to provide continual and steady pressure to act on the serial connection electrode group; Transmit the mostly employing right cylinder greying top-push electrode of this pressure; Support the circular graphite hoop of all employings of sliding before and after the top-push electrode, corresponding contact surface is long-pending bigger, and sliding resistance is also big; Because cross-over electrode length is long, diameter is thick, shape is special, thereby cost of manufacture is high; In addition; In the production process; Concentricity requirement between thrustor, top-push electrode, the serial connection electrode group is high, and each gap at joint occurs in the material base error accumulation that two concatenate will be very big when arriving the cross-over electrode place, existing solution or the compelled jacking force that changes certain string causes the contact resistance increasing energy consumption to increase; Cause expensive the cross-over electrode deflection even the accident that fractures, the hidden danger consequence is that deflection very easily causes the jam or the damage of hoop a little.

[summary of the invention]

In order to overcome the deficiency in the background technology; The utility model discloses the furnace binding that a kind of top-push electrode of internal thermal serial graphitized stove reciprocatingly slides; The furnace binding that the top-push electrode of described internal thermal serial graphitized stove reciprocatingly slides is set to square structure through top-push electrode, is convenient to reciprocatingly sliding of top-push electrode; Can effectively avoid top-push electrode slip jam to cause the damage of end refractory wall, influence the safe operation of graphitizing furnace.

In order to realize said goal of the invention, the utility model adopts following technical scheme:

The furnace binding that a kind of top-push electrode of internal thermal serial graphitized stove reciprocatingly slides; Comprise thrust unit, push rod, square-shaped electrode, distribution of current plate, graphite matter bearing and body of heater; Said body of heater comprises refractory brick furnace bottom, middle part refractory wall, end refractory wall and furnace side support; Before and after the refractory brick furnace bottom, be respectively equipped with the middle part refractory wall, the two ends of two middle part refractory walls and refractory brick furnace bottom are docked with the end refractory wall respectively and are formed the rectangle body of heater; Be provided with the furnace side supports in refractory wall bottom, the end at body of heater two ends; The outside of supporting in two furnace sides is respectively arranged with bearing; The push rod of the thrust unit on two bearing tops is corresponding; The inner at two push rods is respectively equipped with square-shaped electrode, and the graphite matter bearing that is provided with respectively on the furnace side that said two square-shaped electrode are passed is supported is in the body of heater inboard of two square-shaped electrode; On the intravital two square-shaped electrode corresponding surfaces of stove, the distribution of current plate is set respectively, the two square-shaped electrode positive and negative electrode of UNICOM's power supply respectively form the loop.

Owing to adopted technique scheme, the utlity model has following beneficial effect:

The furnace binding that the top-push electrode of the described internal thermal serial graphitized stove of the utility model reciprocatingly slides is set to square structure through top-push electrode, and the graphite matter bearing that is used for the square-shaped electrode slip is embedded in the furnace side and supports; In the use; Along with the rising of electrode group temperature in the stove, raw material piece expanded by heating, the pushing tow square-shaped electrode is outwards moved; Push rod is synchronous also; Form goods after raw material piece greying is accomplished and shrink, top-push electrode is inwardly motion just, and the utility model is convenient to reciprocatingly sliding of top-push electrode; Can effectively avoid top-push electrode slip jam to cause the damage of end refractory wall, influence the safe operation of graphitizing furnace; The utility model is simple in structure, makes easily, and is with low cost, has practical value.

[description of drawings]

Fig. 1 is the structural representation of the utility model.

Fig. 2 is the vertical view of the utility model.

Among the figure: 1, thrust unit; 2, bearing; 3, push rod; 4, square-shaped electrode; 5, distribution of current plate; 6, raw material piece; 7, slit joint; 8, refractory brick furnace bottom; 9, middle part refractory wall; 10, end refractory wall; 11, graphite matter bearing; 12, the furnace side is supported.

[embodiment]

Through following embodiment can be detailed explanation the utility model, the purpose of open the utility model is intended to protect all technological improvements in the utility model scope,

The furnace binding that reciprocatingly slides in conjunction with the top-push electrode of accompanying drawing 1 or 2 described internal thermal serial graphitized stoves; Comprise thrust unit 1, push rod 3, square-shaped electrode 4, distribution of current plate 5, graphite matter bearing 11 and body of heater; Said body of heater comprises refractory brick furnace bottom 8, middle part refractory wall 9, end refractory wall 10 and furnace side support 12; Formation rectangle body of heater is docked at the two ends that are respectively equipped with middle part refractory wall 9, two middle part refractory walls 9 and refractory brick furnace bottom 8 in refractory brick furnace bottom 8 front and back respectively with end refractory wall 10; Refractory wall 10 bottoms are provided with the furnace side and support 12 in the end at body of heater two ends; The outside of support 12 is respectively arranged with bearing 2 in two furnace sides; The push rod 3 of the thrust unit 1 on two bearings, 2 tops is corresponding; Be respectively equipped with square-shaped electrode 4 in the inner of two push rods 3, the graphite matter bearing 11 that is provided with respectively on 12 is supported in the furnace side that said two square-shaped electrode 4 are passed, and the inboard of two square-shaped electrode 4 is in the body of heater; Distribution of current plate 5, the two square-shaped electrode 4 positive and negative electrode formation loop of UNICOM's power supply respectively is set respectively on intravital two square-shaped electrode of stove 4 corresponding surfaces.

The furnace binding that the top-push electrode of the described internal thermal serial graphitized stove of enforcement the utility model reciprocatingly slides; Be set to square structure through top-push electrode, the graphite matter bearing 11 that is used for square-shaped electrode 4 slips is embedded in the furnace side and supports 12, in the use; Rising along with electrode group temperature in the stove; Raw material piece 6 expanded by heating, the slit joint 7 between the said raw material piece 6 are made by Graphite Powder 99 and are filled, and pushing tow square-shaped electrode 4 is outwards moved; Push rod 3 is synchronous also; Form goods after raw material piece 6 greyings are accomplished and shrink, thrustor 1 makes just inwardly motion of square-shaped electrode 4, and said square-shaped electrode 4 is owing to be that the two sides contact can avoid top-push electrode slip jam to cause the damage of end refractory wall.

The utility model does not detail part and is prior art.

Claims (1)

1. the furnace binding that reciprocatingly slides of the top-push electrode of an internal thermal serial graphitized stove; Comprise thrust unit (1), push rod (3), square-shaped electrode (4), distribution of current plate (5), graphite matter bearing (11) and body of heater; It is characterized in that: said body of heater comprises refractory brick furnace bottom (8), middle part refractory wall (9), end refractory wall (10) and furnace side support (12); Before and after refractory brick furnace bottom (8), be respectively equipped with middle part refractory wall (9), the two ends of two middle part refractory walls (9) and refractory brick furnace bottom (8) are docked with end refractory wall (10) respectively and are formed the rectangle body of heater; Refractory wall (10) bottom is provided with the furnace side and supports (12) in the end at body of heater two ends; The outside of supporting (12) in two furnace sides is respectively arranged with bearing (2); The push rod (3) of the thrust unit (1) on two bearings (2) top is corresponding; Be respectively equipped with square-shaped electrode (4) in the inner of two push rods (3), the graphite matter bearing (11) that is provided with respectively on (12) is supported in the furnace side that said two square-shaped electrode (4) are passed, and the inboard of two square-shaped electrode (4) is in the body of heater; On intravital two square-shaped electrode of stove (4) corresponding surface, distribution of current plate (5) is set respectively, two square-shaped electrode (4) positive and negative electrode of UNICOM's power supply respectively form the loop.

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