Preheating device for screening graphite electrode raw materials
Technical Field
The utility model relates to a graphite electrode technical field especially relates to a preheating device is used in screening of graphite electrode raw materials.
Background
The graphite electrode is a high-temperature resistant graphite conductive material which is prepared by using petroleum coke and asphalt coke as aggregates and coal pitch as an adhesive through raw material calcination, crushing and grinding, batching, kneading, molding, roasting, impregnation, graphitization and machining, is called an artificial graphite electrode (graphite electrode for short) and is different from a natural graphite electrode prepared by using natural graphite as a raw material, when a return material is treated, all formed waste products, roasted waste products and graphitized waste products are treated in a set of treatment system, the formed waste products, the roasted waste products and the graphitized waste products are alternately crushed by a hydraulic crusher to the granularity of about 150mm, then the formed waste products, the roasted waste products and the graphitized waste products are crushed to the granularity of less than 40mm by a counterattack crusher and are sent to a raw material storage bin in a raw electrode manufacturing procedure for storage and standby, and the crushed products are generally screened to be beneficial to the next step.
The existing preheating device for screening the graphite electrode raw materials is poor in heating effect when in use, inconvenient to clean after use and low in time, labor and efficiency, so that the preheating device for screening the graphite electrode raw materials is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that heating effect is relatively poor when using among the prior art, and the clearance of being not convenient for after using wastes time and energy inefficiency, and the graphite electrode raw materials that provide sieves and uses preheating device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a preheating device for screening graphite electrode raw materials comprises a base, wherein a fixed cylinder is fixedly connected to the upper end of the base, a first opening is formed in the upper end of the fixed cylinder, a horizontal support ring is fixedly connected to the center of the inside of the fixed cylinder, a first shell is slidably connected to the upper side of the support ring on the inner cylinder wall of the fixed cylinder, the upper end of the first shell extends to the outside of the fixed cylinder and is provided with a second shell, second openings are formed in the side walls of one opposite side of the first shell and the second shell, annular grooves are formed in the inner edges of the two second openings, a movable frame is slidably connected to the inside of each annular groove, a screen is fixedly connected to the inside of each movable frame, a feeding pipe is fixedly communicated with the middle part of the upper end of the second shell, a first fixing ring and a second fixing ring are fixedly sleeved on one end, opposite to the outer walls of the first shell and the second shell respectively, the upper end left and right sides symmetry of solid fixed cylinder has seted up flutedly, the bar hole has all been seted up, two to the position department of correspondence of the upper end left and right sides and the recess of the solid fixed ring of first solid fixed ring and second the inside of recess is all fixed and is equipped with locking mechanism, the circumference wall of solid fixed cylinder is located the downside department of support ring and sets up a plurality of evenly distributed's flame projecting hole, the outer wall of solid fixed cylinder all fixes the intercommunication with the position department of correspondence of a plurality of flame projecting holes and has the gas pipe.
Preferably, the locking mechanism comprises a clamping rod, a sliding rod, a spring, a clamping block and a push rod, the sliding rod is horizontally and fixedly arranged at the upper side of the inside of the groove, the clamping rod is vertically arranged at one side of the inside of the groove far away from the feeding pipe, the upper end of the clamping rod sequentially passes through the two corresponding strip-shaped holes and extends to the upper side of the second fixing ring, the fixture block is fixedly connected with the upper end of the rod wall at one side of the clamping rod far away from the feeding pipe, the spring is movably sleeved with one side of the rod wall of the sliding rod near the feeding pipe, a through hole is horizontally arranged on the groove wall of one side of the groove far away from the feeding pipe, the rod wall of the push rod is connected with the hole wall of the through hole in a sliding way, and both ends all extend to the outside of through-hole about the push rod, the one end that is located the recess of push rod and the pole wall fixed connection of kelly, the one end fixedly connected with ejector pad that is located the fixed cylinder of push rod.
Preferably, the upper end fixedly connected with feed hopper of inlet pipe, feed hopper's upper end articulates there is the top cap.
Preferably, the upper end of the side wall of the fixture block, which is far away from one side of the feeding pipe, is provided with an inclined surface.
Preferably, the left side and the right side of the upper end of the fixed cylinder are fixedly connected with rubber blocks.
Preferably, the outer wall of the upper side of the second shell is fixedly communicated with a pressure relief pipe at the left side of the feeding pipe.
Compared with the prior art, the utility model provides a preheating device is used in screening of graphite electrode raw materials possesses following beneficial effect:
this preheating device is used in screening of graphite electrode raw materials through first casing, second casing, movable frame, locking mechanism, screen cloth and the inlet pipe that is equipped with, and the heating effect is better when not only using, and is convenient for clear up this device when not using, and labour saving and time saving is efficient.
The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses heating effect is better when not only using, and is convenient for clear up this device when not using, and labour saving and time saving is efficient.
Drawings
Fig. 1 is a schematic structural diagram of a preheating device for screening graphite electrode raw materials according to the present invention;
fig. 2 is an enlarged view of a portion a of fig. 1.
In the figure: the device comprises a gas pipe 1, a fixed cylinder 2, a second shell 3, a feeding pipe 4, a feeding funnel 5, a top cover 6, a pressure relief pipe 7, a supporting ring 8, a first shell 9, a spring 10, a clamping rod 11, a push rod 12, a sliding rod 13, a first fixed ring 14, a second fixed ring 15, a clamping block 16, a movable frame 17 and a screen 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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.
Referring to fig. 1-2, a preheating device for screening graphite electrode raw materials comprises a base, a fixed cylinder 2 is fixedly connected to the upper end of the base, a first opening is formed in the upper end of the fixed cylinder 2, a horizontal support ring 8 is fixedly connected to the center of the inside of the fixed cylinder 2, a first shell 9 is slidably connected to the upper side of the support ring 8 on the inner cylinder wall of the fixed cylinder 2, the upper end of the first shell 9 extends to the outside of the fixed cylinder 2 and is provided with a second shell 3, second openings are formed in the side walls of the opposite sides of the first shell 9 and the second shell 3, annular grooves are formed in the inner edges of the two second openings, a movable frame 17 is slidably connected to the inside of the annular grooves, a screen 18 is fixedly connected to the inside of the movable frame 17, a feeding pipe 4 is fixedly communicated with the middle part of the upper end of the second shell 3, a first fixing ring 14 and a second fixing ring 15 are fixedly sleeved at the opposite ends of the outer walls, the upper end left and right sides symmetry of solid fixed cylinder 2 has seted up the recess, and the bar hole has all been seted up with the position department of correspondence of recess in the upper end left and right sides of the solid fixed ring of first solid fixed ring 14 and the solid fixed ring of second 15, and the inside of two recesses is all fixed and is equipped with locking mechanism, and the circumference wall of solid fixed cylinder 2 is located the downside department of support ring 8 and sets up a plurality of evenly distributed's flame projecting hole, and the outer wall of solid fixed cylinder 2 all fixes the intercommunication with the position department of correspondence of a plurality of flame projecting holes and has gas.
The locking mechanism comprises a clamping rod 11, a sliding rod 13, a spring 10, a clamping block 16 and a push rod 12, the sliding rod 13 is horizontally and fixedly arranged at the upper side of the inner part of the groove, the clamping rod 11 is vertically arranged at one side of the inner part of the groove far away from the feeding pipe 4, the upper end of the clamping rod 11 sequentially passes through the two corresponding strip-shaped holes and extends to the upper side of the second fixing ring 15, the clamping block 16 is fixedly connected with the upper end of one side rod wall of the clamping rod 11 far away from the feeding pipe 4, the spring 10 is movably sleeved with one side of the rod wall of the sliding rod 13 close to the feeding pipe 4, a through hole is horizontally arranged on one side groove wall of the groove far away from the feeding pipe 4, the rod wall of the push rod 12 is in sliding connection with the hole wall of the through hole, and both ends all extend to the outside of through-hole about push rod 12, the one end that is located the recess of push rod 12 and the pole wall fixed connection of kelly 11, the one end fixed connection who is located outside solid fixed cylinder 2 of push rod 12 has the ejector pad.
The upper end fixedly connected with feed hopper of inlet pipe 4, the upper end of feed hopper 5 articulates there is top cap 6.
The upper end of the side wall of the fixture block 16, which is far away from the feeding pipe 4, is provided with an inclined surface, and the inclined surface can facilitate the fixture block to enter the strip-shaped hole.
The equal fixedly connected with block rubber of the upper end left and right sides of a fixed cylinder 2, the block rubber makes the structure more firm.
The upper outer wall of the second shell 3 is fixedly communicated with a pressure relief pipe 7 at the left side of the feeding pipe 4.
The utility model discloses in, during the use, pour graphite electrode raw materials into through inlet pipe 4, graphite electrode raw materials drop on screen cloth 18, gas pipe 1 is through flame projecting hole blowout flame, flame heats the graphite electrode raw materials on the screen cloth 18, the material of screening gets into inside first casing 9 through the mesh of screen cloth 18, need be to screen cloth 18, when first casing 9 and the inside washing of second casing 3, promote two ejector pads simultaneously, the ejector pad passes through push rod 12 and promotes kelly 11, it is corresponding with the bar hole to drive fixture block 16 in the time of kelly 11 extrusion spring 10, can separate first casing 9 and second casing 3 and solid fixed cylinder 2 this moment, and with first casing 9 and 3 separation backs of second casing, can take out screen cloth 18.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.