CN212747293U

CN212747293U - Safe water-cooled calcining equipment

Info

Publication number: CN212747293U
Application number: CN202021658935.6U
Authority: CN
Inventors: 赵玄理
Original assignee: Pingluo Jinheng Carbon Co ltd
Current assignee: Pingluo Jinheng Carbon Co ltd
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2021-03-19
Anticipated expiration: 2030-08-11

Abstract

The utility model provides a safe water-cooling calcining equipment, including the furnace body, set up the feed mechanism at the furnace body top, set up the blanking mechanism in the furnace body bottom, go up the electrode, bottom electrode, water-cooling circulation mechanism, feed mechanism includes the storage silo, the material loading board, the material loading motor, blanking mechanism includes flitch, the blanking motor, two feed openings of flitch and two material loading openings of material loading board are just right from top to bottom in the vertical direction down, water-cooling circulation mechanism includes a plurality of circulating water pipe, a plurality of circulating water pipe are connected with the intermediate layer structure of holder, mount pad and the jacket structure of furnace body lower part respectively, this scheme designs the top electrode as electrode paste roasting motor, substitute the charcoal electrode, reduced 60% of charcoal electrode cost, the bottom electrode also adopts the cold paste to smash and beats the cost of formation low, the holder of top electrode, the mount pad of bottom electrode sets up water-cooling circulation mechanism, for these positions cooling, the service life of the electric calcined coal is prolonged, and a water-cooling circulation mechanism is arranged at a cooling section of the furnace body to accelerate the cooling of the electric calcined coal.

Description

Safe water-cooled calcining equipment

Technical Field

The utility model relates to an electricity forge coal production technical field especially relates to a safe water-cooled calcination equipment.

Background

The electrically calcined coal is used as an important raw material for producing downstream carbon-containing high-quality products, and has excellent properties such as low ash content, low specific resistance and good homogeneity. The electrically calcined coal is produced by using a calciner.

The existing calcining furnace generally adopts two feeding ports and one or two discharging ports, the feeding ports and the discharging ports are of a fixed structure in the structure, the accumulation angle of materials in a calcining area in the furnace body is eccentric along with the continuous addition of raw anthracite and the continuous discharging after calcining, the material accumulation thickness between an upper electrode and a lower electrode is not uniform due to the eccentricity, the resistance is not uniform, the uniform distribution resistance is larger during the calcining of the materials, the heating is heavier, the calcining is excessive, the resistance at other parts is smaller relatively speaking, the calcining is not thorough, and the homogeneity of the discharged products is poor, as shown in figure 1.

In the calcining process, the temperature of the calcining zone can reach more than 1500 ℃, the burning loss speed of the upper electrode is high, most of the prior art adopts the carbon electrode, the purchase price of the carbon electrode is very high, the carbon electrode becomes an important index of furnace body loss, and the lower electrode is not burnt, but needs to bear the mechanical scouring of high-temperature hot materials and is easy to damage.

Disclosure of Invention

There is a need for a safe water-cooled calcination apparatus.

A safe water-cooling calcining device comprises a furnace body, a feeding mechanism arranged at the top of the furnace body, a discharging mechanism arranged at the bottom of the furnace body, an upper electrode, a lower electrode and a water-cooling circulating mechanism, wherein the upper electrode and the lower electrode are respectively arranged at the top and the bottom of the furnace body and are oppositely arranged, the furnace body is internally used for containing materials to be calcined, a sealing plate is arranged at the top of the furnace body, an annular feeding channel is arranged on the sealing plate, a disc is arranged at the bottom of the furnace body and is used for arranging the lower electrode, the outer diameter of the disc is smaller than the inner diameter of the furnace body, so that an annular discharging channel is formed between the disc and the inner wall of the furnace body, the feeding mechanism comprises a storage bin, a feeding plate and a feeding motor, the storage bin is a hollow annular bin, the bottom of the storage bin is a discharging opening, the discharging opening is positioned above the annular, the feeding plate is positioned above the sealing plate and below the storage bin, two feeding ports are symmetrically arranged on the feeding plate, the feeding ports are opposite to the discharging ports in the vertical direction so as to discharge materials at the discharging ports into the annular feeding channel, a gear ring is arranged on the excircle of the feeding plate, the feeding motor is fixed on the outer wall of the furnace body, the output end of the feeding motor is meshed and connected with the gear ring of the feeding plate so as to drive the feeding plate to rotate, the discharging mechanism comprises a discharging plate and a discharging motor, the discharging plate is arranged below the disc and is connected with the disc through a shaft so as to enable the discharging plate to rotate relative to the disc, the discharging plate is a flat plate, two discharging ports are symmetrically arranged on the discharging plate, the discharging ports are opposite to the annular discharging channel on the disc in the vertical direction so as to enable the electrically calcined coal in the annular discharging channel to be discharged along the discharging ports, an outer gear ring is further arranged on the outer circle of the blanking plate, the output end of the blanking motor is meshed with the outer gear ring of the blanking plate to drive the blanking plate to rotate, and the two blanking ports of the blanking plate are vertically opposite to the two feeding ports of the feeding plate; the electrode shell and the holder are arranged outside the upper electrode, the holder embraces the electrode shell and limits the electrode shell above the sealing plate, the depth of the lower part of the upper electrode is adjusted through the holder, the mounting seat is arranged below the lower electrode and fixed above the disc, the holder and the mounting seat are of an interlayer structure, the lower part of the furnace body is of a jacket structure, the water-cooling circulation mechanism comprises a plurality of circulating water pipes, and the circulating water pipes are respectively connected with the interlayer structure of the holder and the mounting seat and the jacket structure of the lower part of the furnace body.

Preferably, the blanking mechanism further comprises a mounting plate, the lower end of the mounting plate is fixedly connected with the blanking plate, the upper end of the mounting plate is provided with an inner boss, an outer boss is arranged on the outer wall of the lower portion of the furnace body and is connected with the mounting plate in a limiting mode, and the blanking motor is fixed on the external rack, so that the mounting plate and the blanking plate rotate around the outer wall of the furnace body under the driving of the blanking motor.

Preferably, the furnace body includes shell body, interior heat preservation, the shell body is rigid structure, and interior heat preservation sets up on the inner wall of shell body.

Preferably, the inner insulating layer is refractory bricks.

Preferably, the appearance of mount pad is bullet head shape, and its top is used for ramming the bottom electrode, the upper end of mount pad stretches into the inside to the increase with the inside of bottom electrode to increase the area of contact of bottom electrode, increase cooling area.

Preferably, the jacket structure at the lower part of the furnace body is a cooling section, and the height of the cooling section is not higher than that of the lower electrode.

The utility model discloses in, to go up the electrode design for electrode paste calcination motor, join in marriage dress electrode shell and holder to replace the charcoal electrode, reduced 60% of charcoal electrode cost, the bottom electrode also adopts the cold ramming paste to stamp and forms, and construction cycle is short, and is with low costs. The holder of the upper electrode and the mounting seat of the lower electrode are provided with water-cooling circulation mechanisms for cooling the parts and prolonging the service life of the parts, and the cooling section of the furnace body is also provided with a water-cooling circulation mechanism for accelerating the cooling of the electrically calcined coal.

Drawings

FIG. 1 is a schematic diagram of material eccentricity in the prior art.

Fig. 2 is a schematic structural view of the electric calciner.

Fig. 3 is a schematic top view of the feeding mechanism.

Fig. 4 is a schematic top view of the blanking mechanism.

Fig. 5 is a top view of the closure plate.

In the figure: the device comprises a furnace body 10, a sealing plate 11, an annular feeding channel 12, a disc 13, an annular discharging channel 14, an inner heat-insulating layer 15, a cooling section 16, a storage bin 21, a feeding plate 22, a feeding port 221, a feeding motor 23, a discharging plate 31, a discharging port 311, a discharging motor 32, an installation plate 33, an upper electrode 40, an electrode shell 41, a holder 42, a lower electrode 50, an installation seat 51 and a water-cooling circulation mechanism 60.

Detailed Description

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Referring to fig. 2-5, an embodiment of the present invention provides a safe water-cooling type calcining apparatus, which includes a furnace body 10, a feeding mechanism disposed at the top of the furnace body 10, a discharging mechanism disposed at the bottom of the furnace body 10, an upper electrode 40, a lower electrode 50, and a water-cooling circulation mechanism 60, wherein the upper electrode 40 and the lower electrode 50 are disposed at the top and the bottom of the furnace body 10 respectively, and are disposed oppositely, the inside of the furnace body 10 is used for containing a material to be calcined, a sealing plate 11 is disposed at the top of the furnace body 10, an annular feeding channel 12 is disposed on the sealing plate 11, a disc 13 is disposed at the bottom of the inside of the furnace body 10 and is used for disposing the lower electrode 50, an outer diameter of the disc 13 is smaller than an inner diameter of the furnace body 10, so that an annular discharging channel 14 is formed between the disc 13 and the inner wall of the furnace body 10, the feeding mechanism includes a storage silo 21, the bottom of the storage bin 21 is a discharge opening to form a normally open type circular discharge opening, the discharge opening is located above the annular feeding channel 12 of the sealing plate 11, the feeding plate 22 is a flat plate, the feeding plate 22 is located above the sealing plate 11 and below the storage bin 21, two feeding ports 221 symmetrically arranged are formed in the feeding plate 22, the feeding ports 221 are opposite to the discharge opening in the vertical direction to discharge materials of the discharge opening into the annular feeding channel 12, a gear ring is arranged on the outer circle of the feeding plate 22, the feeding motor 23 is fixed on the outer wall of the furnace body 10, the output end of the feeding motor 23 is meshed and connected with the gear ring of the feeding plate 22 to drive the feeding plate 22 to rotate, the discharging mechanism comprises a discharging plate 31 and a discharging motor 32, the discharging plate 31 is arranged below the disc 13 and is connected with the disc 13 through a shaft, so that the discharging plate 31 rotates relative to the disc 13, the blanking plate 31 is a flat plate, two symmetrically arranged blanking ports 311 are arranged on the blanking plate 31, the blanking ports 311 are vertically opposite to the annular blanking channel 14 on the disc 13, so that the electrically calcined coal in the annular blanking channel 14 is discharged along the blanking ports 311, an outer gear ring is arranged on the outer circle of the blanking plate 31, the output end of the blanking motor 32 is meshed with the outer gear ring of the blanking plate 31, so as to drive the blanking plate 31 to rotate, and the two blanking ports 311 of the blanking plate 31 are vertically opposite to the two feeding ports 221 of the feeding plate 22; an electrode shell 41 and a holder 42 are further arranged outside the upper electrode 40, the holder 42 embraces the electrode shell 41 and limits the electrode shell above the sealing plate 11, the depth below the upper electrode 40 is adjusted by the holder 42, a mounting seat 51 is further arranged below the lower electrode 50, the mounting seat 51 is fixed above the disc 13, the holder 42 and the mounting seat 51 are of a sandwich structure, the lower part of the furnace body 10 is of a jacket structure, the water-cooling circulation mechanism 60 comprises a plurality of circulating water pipes, and the circulating water pipes are respectively connected with the sandwich structure of the holder 42 and the mounting seat 51 and the jacket structure at the lower part of the furnace body 10.

The utility model discloses in, design upper electrode 40 for electrode paste calcination motor, join in marriage dress electrode shell 41 and holder 42 to replace the charcoal electrode, reduced 60% of charcoal electrode cost, lower electrode 50 also adopts the cold ramming paste to stamp and forms, and construction cycle is short, and is with low costs. The holder 42 of the upper electrode 40 and the mounting seat 51 of the lower electrode 50 are provided with a water-cooling circulation mechanism 60 for cooling these parts and prolonging the life thereof, and the cooling zone 16 of the furnace body 10 is provided with a water-cooling circulation mechanism 60 for accelerating the cooling of the electrically calcined coal.

The discharge opening of the bottom of storage silo 21 forms the ring shape, not stage formula material loading mode, and when material loading plate 22 rotated, only the position that material loading opening 221 passed through had the material to leak down along material loading opening 221, get into annular material loading passageway 12 in, get into furnace body 10, so, the position that the material got into material loading opening 221 in furnace body 10 was in the rotation that does not stop, the change for the position of the material that gets into in furnace body 10 is also changing, has realized the change formula, even formula material loading. Correspondingly, the annular blanking channel 14 at the disc 13 forms an annular and non-stage blanking mode, and when the blanking plate 31 rotates, only the position where the blanking hole 311 passes is discharged by the leaked electric calcined coal, so that variable and uniform blanking is realized. The feed opening 311 and the feed opening 221 synchronously rotate at the same position, so that continuous synchronous supplement of the material of the feed opening 221 is realized.

The utility model discloses a feed opening 221 with continuous material loading and the feed opening 311 of continuous unloading set up relatively in vertical direction for the material loading position and the unloading position of material are just right from top to bottom, realize synchronous material loading and synchronous unloading, and with the position material loading with the position unloading. The feeding and discharging in the furnace body 10 are a dynamic balance process, the weight of the materials in the furnace body 10 is constant all the time through the arrangement of the feeding mechanism and the discharging mechanism, and the local material collapse caused by the discharging is supplemented by the materials at the feeding port 221 synchronously and at the same position, so that the stacking angle in the furnace body 10 is stable all the time and the problem of eccentricity does not exist.

In the prior art, H represents the height of the calcining zone of the furnace body 10, that is, the effective calcining zone of the material, that is, the electrified zone between the upper electrode 40 and the lower electrode 50, and H1 is the height of the eccentric local material, at this time, the material height is low, the resistance is small, and the part generates heat seriously.

Preferably, the blanking mechanism further comprises a mounting plate 33, the lower end of the mounting plate 33 is fixedly connected with the blanking plate 31, the upper end of the mounting plate 33 is provided with an inner boss, the outer boss is arranged on the outer wall of the lower part of the furnace body 10 to be in limit connection with the mounting plate 33, and the blanking motor 32 is fixed on an external rack, so that the mounting plate 33 and the blanking plate 31 rotate around the outer wall of the furnace body 10 under the driving of the blanking motor 32.

Preferably, the furnace body 10 comprises an outer shell and an inner heat-insulating layer 15, the outer shell is of a rigid structure, and the inner heat-insulating layer 15 is arranged on the inner wall of the outer shell.

Preferably, the inner insulating layer 15 is a refractory brick.

Preferably, the mounting seat 51 has a bullet-shaped outer shape, the upper portion of the mounting seat is used for beating the lower electrode 50, and the upper end of the mounting seat 51 extends into the lower electrode 50 to increase the contact area with the lower electrode 50 and the cooling area.

Preferably, the jacket structure at the lower part of the furnace body 10 is a cooling section 16, and the height of the cooling section 16 is not higher than that of the lower electrode 50. Because the area between the upper electrode 40 and the lower electrode 50 is a calcining area and is also a working area, the temperature of the material is higher, the part below the lower electrode 50 has no current flowing, and the material is a calcined electrically calcined coal and is a finished product after being discharged, so that in order to avoid overhigh temperature of the material during discharging, the cooling section 16 is additionally arranged, and the cooling of the material can be promoted on the premise of not influencing the effective area of the calcining area.

The embodiment of the utility model provides a module or unit in the device can merge, divide and delete according to actual need.

The above disclosure is only illustrative of the preferred embodiments of the present invention, which should not be taken as limiting the scope of the invention, but rather the invention can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It will be understood by those skilled in the art that all or part of the above-described embodiments may be implemented and equivalents thereof may be made to the claims of the present invention while remaining within the scope of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may include only a single embodiment, and such description is for clarity only, and those skilled in the art will be able to make the description as a whole, and the embodiments may be suitably combined to form other embodiments as will be apparent to those skilled in the art.

Claims

1. A safe water-cooled calcining device is characterized in that: the device comprises a furnace body, a feeding mechanism arranged at the top of the furnace body, a discharging mechanism arranged at the bottom of the furnace body, an upper electrode, a lower electrode and a water-cooling circulation mechanism, wherein the upper electrode and the lower electrode are respectively arranged at the top and the bottom of the interior of the furnace body and are oppositely arranged, the interior of the furnace body is used for containing materials to be calcined, a sealing plate is arranged at the top of the furnace body, an annular feeding channel is arranged on the sealing plate, a disc is arranged at the bottom of the interior of the furnace body and is used for arranging the lower electrode, the outer diameter of the disc is smaller than the inner diameter of the furnace body, so that an annular discharging channel is formed between the disc and the inner wall of the furnace body, the feeding mechanism comprises a storage bin, a feeding plate and a feeding motor, the storage bin is a hollow annular bin, the bottom of the storage bin is a discharging opening, the discharging opening is positioned above the annular feeding channel of, the discharging mechanism comprises a blanking plate and a blanking motor, wherein the blanking plate is arranged below the disc and is connected with the disc through a shaft, so that the blanking plate rotates relative to the disc, the blanking plate is a flat plate, two symmetrically arranged blanking ports are arranged on the blanking plate, the blanking ports are vertically opposite to the annular blanking channel on the disc, so that the electrically calcined coal in the annular blanking channel is discharged along the blanking ports, an outer gear ring is arranged on the outer circle of the blanking plate, and the output end of the blanking motor is meshed with the outer gear ring of the blanking plate, the two blanking ports of the blanking plate are opposite to the two feeding ports of the feeding plate up and down in the vertical direction; the electrode shell and the holder are arranged outside the upper electrode, the holder embraces the electrode shell and limits the electrode shell above the sealing plate, the depth of the lower part of the upper electrode is adjusted through the holder, the mounting seat is arranged below the lower electrode and fixed above the disc, the holder and the mounting seat are of an interlayer structure, the lower part of the furnace body is of a jacket structure, the water-cooling circulation mechanism comprises a plurality of circulating water pipes, and the circulating water pipes are respectively connected with the interlayer structure of the holder and the mounting seat and the jacket structure of the lower part of the furnace body.

2. The safe water-cooled calcination apparatus as claimed in claim 1, wherein: the blanking mechanism further comprises a mounting plate, the lower end of the mounting plate is fixedly connected with the blanking plate, an inner boss is arranged at the upper end of the mounting plate, an outer boss is arranged on the outer wall of the lower portion of the furnace body and is connected with the mounting plate in a limiting mode, and the blanking motor is fixed on the external rack, so that the mounting plate and the blanking plate rotate around the outer wall of the furnace body under the driving of the blanking motor.

3. A safe water-cooled calcination apparatus as claimed in claim 2, wherein: the furnace body includes shell body, interior heat preservation, the shell body is rigid structure, and interior heat preservation sets up on the inner wall of shell body.

4. A safe water-cooled calcination apparatus as claimed in claim 3, wherein: the inner heat-insulating layer is made of refractory bricks.

5. The safe water-cooled calcination apparatus as claimed in claim 4, wherein: the appearance of mount pad is bullet head shape, and its top is used for ramming the bottom electrode, the upper end of mount pad stretches into the inside to the bottom electrode to increase and the area of contact of bottom electrode, increase cooling area.

6. A safe water-cooled calcination apparatus as claimed in claim 3, wherein: the jacket structure at the lower part of the furnace body is a cooling section, and the height of the cooling section is not higher than that of the lower electrode.