CN113218147B

CN113218147B - Carbon-based material forming and cooling device

Info

Publication number: CN113218147B
Application number: CN202110476121.3A
Authority: CN
Inventors: 何本港
Original assignee: Ningxia Wangdakai Carbon Based New Material Co ltd
Current assignee: Ningxia Wangdakai Carbon Based New Material Co ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2022-05-17
Anticipated expiration: 2041-04-29
Also published as: CN113218147A

Abstract

The invention provides a carbon-based material forming and cooling device, which comprises a primary forming machine, a transmission device, a secondary forming machine, a primary heat preservation device, a secondary heat preservation device and an output heat preservation device, wherein the primary forming machine comprises a stirring pot, an output device and a primary forming roller set, the primary forming roller set comprises an outer cylinder, a roller set and a primary forming mold, a plurality of primary die holes are formed in the primary forming mold, the secondary forming machine comprises a shell, a die head and a secondary forming mold, the die head is connected with external hydraulic power, a plurality of secondary die holes are formed in the secondary forming mold, the primary heat preservation device is covered above the transmission device in a cage mode, the secondary heat preservation device is arranged below the secondary forming machine, the output heat preservation device is arranged below the secondary heat preservation device and used for bearing, cooling and outputting carbon strips, the scheme is used for preserving heat of the carbon strips after primary extrusion forming through the primary heat preservation device, avoid the cooling caking, through the cooling of secondary heat sink acceleration secondary charcoal strip, avoid the adhesion.

Description

Carbon-based material forming and cooling device

Technical Field

The invention relates to the technical field of activated carbon preparation, in particular to a carbon-based material forming and cooling device.

Background

The preparation process of the activated carbon comprises the following steps: the method mainly comprises the steps of crushing, kneading, forming and layering, cooling, carbonizing, activating and the like, wherein the ingredients are mixed by kneading according to the process requirements, the forming and layering is to form kneaded materials into long and thin strips, and finally, the thin strips enter an activation stage to activate micropores in the long strips to form a large specific surface area and have high adsorption capacity.

The forming pressing strip is an important process, the shape of the formed carbon strip determines the shape of an activated product, the uniformity and consistency of components inside the carbon strip determine the porosity and specific surface area inside the activated product, and after the carbon strip is formed, the carbon strip is in a soft state due to low residual heat and hardness, and is stacked and placed without rapid cooling, so that the carbon strip is easy to adhere.

Disclosure of Invention

There is a need for a cooling device for carbon-based material molding.

A carbon-based material forming and cooling device comprises a primary forming machine, a transmission device, a secondary forming machine, a primary heat preservation device, a secondary cooling device and an output cooling device, wherein the primary forming machine is used for receiving mixed raw materials, the primary forming machine comprises a stirring pot, an output device and a primary forming roller set, a stirring paddle is arranged in the stirring pot, an upper inlet of the output device is in butt joint with a bottom outlet of the stirring pot, a stirring shaft is arranged in the output device, the primary forming roller set comprises an outer barrel, a roller set and a primary forming die, an outlet of the output device is in butt joint with an outer barrel inlet of the primary forming roller set, the primary forming die is arranged at the bottom of the outer barrel, a plurality of primary die holes are formed in the primary forming die, the roller set is arranged above the primary forming die, the roller set rolls relative to the primary forming die, one end of the transmission device is arranged below the primary forming die, and the other end of the transmission device is arranged at an inlet of the secondary forming machine, the secondary forming machine comprises a machine shell, a die head and a secondary forming die, wherein the die head is arranged inside the machine shell and is connected with external hydraulic power, the secondary forming die is arranged at the bottom of the machine shell, a plurality of secondary die holes are formed in the secondary forming die, a primary heat preservation device is covered above a transmission device in a cage mode, a secondary heat preservation device is arranged below the secondary forming machine, and an output heat preservation device is arranged below the secondary heat preservation device and is used for receiving, cooling and outputting carbon strips.

According to the invention, the primary heat preservation device is used for preserving heat of the carbon strips after primary extrusion molding, so that cooling agglomeration is avoided, and the secondary cooling device and the output cooling device are used for accelerating cooling of the secondary carbon strips so as to avoid adhesion. According to the scheme, different measures are adopted in different stages according to local conditions, so that the carbon strips can keep different performances in different stages.

Drawings

Fig. 1 is a schematic structural view of the apparatus.

Fig. 2 and 3 are schematic views of another angle of the primary molding machine 10.

Fig. 4 and 5 are schematic structural views of the one-step forming die 15.

Fig. 6 and 7 are schematic structural views of the secondary molding die 33.

Fig. 8 and 9 are schematic sectional views of the secondary molding die 33.

Fig. 10 is a partial schematic view of a conveyor belt.

FIG. 11 is a schematic view of an air duct.

In the figure: the device comprises a primary forming machine 10, a stirring pot 11, an output device 12, an outer cylinder 13, a roller set 14, a vertical shaft 141, a radial roller 142, a primary forming die 15, a primary die hole 151, a transmission device 20, a primary heat preservation device 21, a secondary forming machine 30, a shell 31, a die head 32, a secondary forming die 33, a transition disc 331, a step hole 3311, a tapered hole 3312, a unit die 332, a secondary die hole 333, a secondary cooling device 34, an air duct 341, an air distribution plate 342, an air inlet pipe 343, an air outlet pipe 344, a driving roller 41, a driven roller 42, a conveying belt 43, a bottom layer 431, a surface layer 432, a closed box 44, an air duct 441 and an air blower 45.

Detailed Description

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed 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. 1 to 8, an embodiment of the present invention provides a carbon-based material forming and cooling apparatus, including a primary forming machine 10, a conveying apparatus 20, a secondary forming machine 30, a primary heat preservation apparatus 21, a secondary cooling apparatus 34, and an output cooling apparatus, where the primary forming machine 10 is configured to receive mixed raw materials, the primary forming machine 10 includes a stirring pan 11, an output device 12, and a primary forming roller set 14, where a stirring paddle is disposed inside the stirring pan 11, an upper inlet of the output device 12 is in butt joint with a bottom outlet of the stirring pan 11, a stirring shaft is disposed inside the output device 12, the primary forming roller set 14 includes an outer cylinder 13, a roller set 14, and a primary forming mold 15, an outlet of the output device 12 is in butt joint with an inlet of the outer cylinder 13 of the primary forming roller set 14, the primary forming mold 15 is disposed at a bottom of the outer cylinder 13, a plurality of primary mold holes 151 are formed in the primary forming mold 15, the roller set 14 is disposed above the primary forming mold 15, the roller set 14 rolls relative to the primary forming die 15, one end of the conveying device 20 is arranged below the primary forming die 15, the other end of the conveying device is arranged at an inlet of the secondary forming machine 30, the secondary forming machine 30 comprises a shell 31, a die head 32 and a secondary forming die 33, the die head 32 is arranged inside the shell 31, the die head 32 is connected with external hydraulic power, the secondary forming die 33 is arranged at the bottom of the shell 31, a plurality of secondary die holes 333 are formed in the secondary forming die 33, the primary heat preservation device 21 is covered above the conveying device 20 in a cage mode, the secondary heat preservation device 34 is arranged below the secondary forming machine 30, and the output heat preservation device is arranged below the secondary heat preservation device 34 and used for receiving, cooling and outputting carbon strips.

Further, the one-step forming mold 15 is a circular disk, and a plurality of through holes are formed in the radial direction of the circular disk to form a one-step mold hole 151.

Further, the roller set 14 includes a vertical shaft 141 and a plurality of radial rollers 142, the vertical shaft 141 is disposed along a vertical direction, the vertical shaft 141 is driven by an external drive to rotate in the vertical direction, a plurality of radial connecting pins are disposed on a lower portion of the vertical shaft 141, the connecting pins are connected to one end of the radial rollers 142 (the connecting pins and the radial rollers 142 can be connected by using bearings in the prior art), the connecting pins drive the radial rollers 142 to rotate circumferentially around the vertical shaft 141, the radial rollers 142 are disposed above the one-time forming mold 15, and the radial rollers 142 rotate relative to the one-time forming mold 15.

The vertical shaft 141 rotates to drive the radial roller 142 to rotate, the rotating radial roller 142 extrudes the mixed material to the inner part of the primary die hole 151, and the material passing through the primary die hole 151 is extruded and formed into thicker carbon strips.

Further, the secondary forming mold 33 includes a transition disc 331 and a plurality of unit molds 332, the transition disc 331 is a circular disc, a plurality of mounting holes are formed in the transition disc 331, the unit molds 332 are mounted in the mounting holes, the unit molds 332 are cylinders, and a plurality of secondary mold holes 333 are formed in the cylinders.

Further, the mounting hole is a stepped hole 3311 or a tapered hole 3312 having a large top and a small bottom.

Further, the unit mold 332 is a cylinder or a cone with a large top and a small bottom. Since the tapered mounting hole is matched with the unit mold 332, the tapered mounting hole and the unit mold are combined more and more tightly when the pressure of the upper hydraulic press is received, and the tapered mounting hole and the unit mold are difficult to separate during later replacement, the tapered mounting hole is preferably the stepped hole 3311, and the stepped hole 3311 and the mold are all isodiametric bodies.

Further, the conveying device 20 is a belt conveyor.

Further, the primary insulation device 21 is a flexible cover supported by a keel or a structural cover with a fixed shape.

For example, several supports may be provided, which are covered with a flexible canvas and a nylon cloth, and which straddle the conveyor 20 to integrally cover the conveyor 20; alternatively, a closed space may be provided around the transfer device 20 to enclose the transfer device 20. The purpose of this scheme is to place transmission device 20 in the enclosure, avoids causing the charcoal strip heat dissipation cooling on transmission device 20 with the air flow of external world. The carbon strip after primary forming is required to enter secondary forming as soon as possible, and the problem that the softness of materials during secondary forming is influenced due to cooling or caking of adhesives and the like caused by heat dissipation inside the carbon strip is avoided in the process.

Further, the secondary cooling device 34 includes an air duct 341, an air distribution plate 342, an air inlet pipe 343, and an air outlet pipe 344, the air duct 341 is a vertically through cylinder, an opening of the air duct 341 is disposed below the secondary molding die 33, and the two are butted, the air distribution plate 342 is a hole plate having the same shape as the air duct 341 and disposed inside the air duct 341, a gap is disposed between the air distribution plate 342 and the air duct 341, the air inlet pipe 343 and the air outlet pipe 344 are respectively disposed on opposite sides of the air duct 341, the air inlet pipe 343 is connected to an external fan, and the air outlet pipe 344 is connected to an external air collecting device.

In the scheme, cold air or circulating air is blown into the air drum 341 through the air inlet pipe 343, and the air distribution plate 342 of the pore plate uniformly distributes the cold air or the circulating air around the carbon strips to realize cooling, and then the cold air or the circulating air is discharged along the air outlet pipe 344.

The charcoal strip of post forming gets into the carbomorphism promptly behind the cooling strip, the activation process, the charcoal strip of post forming still remains certain temperature, need cool down as early as possible this moment, avoid the adhesion between charcoal strip each other, the charcoal strip of adhesion is not only the outward appearance coarse, the mobility is poor in the product in the way during carbomorphism or activation, cause the jam even, and make solitary charcoal strip surface area reduce after the adhesion, because the surface area reduces during the carbomorphism, the ash content volatilizees inadequately, cause the product ash content to exceed standard, the charcoal strip surface area reduces, the inside porosity of charcoal strip can't reach the technological requirement when leading to the activation, adsorption capacity can't reach the technological requirement.

Referring to fig. 9, 10 and 11, further, the output cooling device includes a conveyor and an air blowing mechanism disposed below the conveyor, the conveyor includes a driving roller 41, a driven roller 42 and a conveying belt 43, the conveying belt 43 is sleeved between the driving roller 41 and the driven roller 42 in a zigzag shape, the driving roller 41 is driven by external drive to rotate, the conveying belt 43 includes a bottom layer 431 and a surface layer 432 connected to each other, the bottom layer 431 is a rigid air permeable layer, the surface layer 432 is a flexible air permeable layer, (in a specific embodiment, the bottom layer 431 is a steel wire mesh layer, and the surface layer 432 is a face layer or a nylon layer).

This scheme has not only solved the original operation mode that artifical dolly was transported, but also improves conveyer belt 43, has realized that the limit is carried the limit and is cooled down, and conveyer belt 43 relates to usually for 8 meters even longer, and this transportation has cooled off the charcoal strip to room temperature basically, and this scheme makes charcoal strip rapid cooling in the short time through the cooling and transport cooling after the post-forming, and then avoids the charcoal strip adhesion through the cooling, avoids influencing the surface area.

Bottom 431 is as the bearing layer, needs to have certain mechanical strength, so adopt the wire net layer, top layer 432 and charcoal strip direct contact, so adopt flexible material, avoid rigid mechanism to the fish tail on charcoal strip surface, harm the surface smoothness nature of charcoal strip.

Further, the air blowing mechanism comprises a closed box body 44 and an air blower 45, an air channel 441 is arranged on the upper surface of the closed box body 44, the air blower 45 is communicated with the inside of the closed box body 44, and the air channel 441 is Z-shaped or a channel which is identical to or forms an acute angle along the width direction of the conveying belt 43. The provision of channels along the width of the belt 43 that are identical or form an acute angle allows the charcoal bars to be constantly exposed to the wind.

The modules or units in the device of the embodiment of the invention can be combined, divided and deleted according to actual needs.

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 a portion of the above-described embodiments may be practiced and equivalents thereof may be resorted to as falling within the scope of the invention as claimed. 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 contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A carbon-based material shaping cooling device which characterized in that: the device comprises a primary forming machine, a transmission device, a secondary forming machine, a primary heat preservation device, a secondary cooling device and an output cooling device, wherein the primary forming machine is used for receiving mixed raw materials, the primary forming machine comprises a stirring pot, an output device and a primary forming roller set, a stirring paddle is arranged in the stirring pot, an upper inlet of the output device is butted with a bottom outlet of the stirring pot, a stirring shaft is arranged in the output device, the primary forming roller set comprises an outer barrel, a roller set and a primary forming die, an outlet of the output device is butted with an outer barrel inlet of the primary forming roller set, the primary forming die is arranged at the bottom of the outer barrel, a plurality of primary die holes are formed in the primary forming die, the roller set is arranged above the primary forming die, the roller set rolls relative to the primary forming die, one end of the transmission device is arranged below the primary forming die, and the other end of the transmission device is arranged at an inlet of the secondary forming machine, the secondary forming machine comprises a machine shell, a die head and a secondary forming die, wherein the die head is arranged inside the machine shell, the die head is connected with external hydraulic power, the secondary forming die is arranged at the bottom of the machine shell, a plurality of secondary die holes are formed in the secondary forming die, a primary heat preservation device is covered above a transmission device, a secondary heat preservation device is arranged below the secondary forming machine, an output heat preservation device is arranged below the secondary heat preservation device and used for receiving, cooling and outputting carbon strips, the output heat preservation device comprises a conveyor and a blowing mechanism arranged below the conveyor, the conveyor comprises a driving roller, a driven roller and a conveying belt, the conveying belt is sleeved between the driving roller and the driven roller in a shape of Chinese character 'hui', the driving roller is driven to rotate by external drive, the conveying belt comprises a bottom layer and a surface layer which are connected with each other, the bottom layer is a rigid ventilation layer, and the surface layer is a flexible ventilation layer.

2. The carbon-based material molding cooling device according to claim 1, wherein: the one-step forming die is a disc, and a plurality of through holes are formed in the radial direction of the disc to form a one-step die hole.

3. The carbon-based material molding cooling device according to claim 2, wherein: the roller set comprises a vertical shaft and a plurality of radial rollers, the vertical shaft is arranged along the vertical direction and driven by external drive to rotate in the vertical direction, a plurality of radial connecting pins are arranged on the lower portion of the vertical shaft and connected with one ends of the radial rollers, the connecting pins drive the radial rollers to circumferentially rotate by taking the vertical shaft as the circle center, the radial rollers are arranged above the one-step forming die and rotate relative to the one-step forming die.

4. The carbon-based material molding cooling device according to claim 3, wherein: the secondary forming die comprises a transition disc and a plurality of unit dies, wherein the transition disc is a circular disc, a plurality of mounting holes are formed in the transition disc, the unit dies are mounted in the mounting holes, the unit dies are cylinders, and a plurality of secondary die holes are formed in the cylinders.

5. The carbon-based material molding cooling device according to claim 4, wherein: the mounting hole is a step hole or a tapered hole with a large upper part and a small lower part.

6. The carbon-based material molding cooling device according to claim 4, wherein: the unit mould is a cylinder or a cone with a large upper part and a small lower part.

7. The carbon-based material molding cooling device according to claim 5, wherein: the transmission device is a belt conveyor.

8. The carbon-based material molding cooling device according to claim 7, wherein: the secondary cooling device comprises an air duct, an air distribution plate, an air inlet pipe and an air outlet pipe, wherein the air duct is a barrel body which is communicated from top to bottom, the opening part of the air duct is arranged below the secondary forming die and is butted with the air distribution plate, the air distribution plate is a pore plate with the same shape as the air duct and is arranged inside the air duct, a gap is formed between the air distribution plate and the air duct, the air inlet pipe and the air outlet pipe are respectively arranged on two opposite sides of the air duct, the air inlet pipe is connected with an external fan, and the air outlet pipe is connected with an external gas collecting device.

9. The carbon-based material molding cooling device according to claim 8, wherein: the air blowing mechanism comprises a closed box body and an air blower, wherein an air duct is arranged on the upper surface of the closed box body, the air blower is communicated with the inside of the closed box body, and the air duct is Z-shaped or is the same along the width direction of the conveying belt or is a channel forming an acute included angle.