Drying equipment is used in ABS plastic production
Technical Field
The utility model relates to the technical field of ABS plastic drying, in particular to drying equipment for ABS plastic production.
Background
ABS plastic has strong hygroscopicity and sensitivity to moisture. If the moisture content of the ABS plastic exceeds the allowable value, defects such as silver wires, bubbles, shrinkage cavities and the like can appear on the surface of the product, so that the ABS plastic needs to be dried.
In the related art, through retrieving the discovery, a scheme of hopper formula desiccator (bulletin number CN 220153213U) convenient to loading and unloading, through setting up material dispersion component and ejection of compact subassembly, material dispersion component can break up the material constantly, under ejection of compact subassembly's cooperation, the plastics granule can be discharged outwards from the desiccator is internal fast.
However, when the hopper-type dryer of the scheme is used, the fan and the heater are adapted to provide hot air for the hopper, the hot air is used for drying ABS plastic and then is discharged from the hopper as damp-hot air, the damp-hot air also contains heat energy, and the direct discharge air can prevent the moisture of the damp-hot air from affecting the ABS plastic drying, but has low utilization rate of the heat energy and wastes a part of heat energy.
Disclosure of utility model
The utility model aims to provide drying equipment for ABS plastic production, so as to solve the problems in the background technology.
The drying equipment for ABS plastic production comprises a drying barrel, wherein an inclined tube is arranged at the lower part of the drying barrel, the upper end of the inclined tube is connected with a heater, the upper end of the heater is connected with a fan, and the fan and the heater provide hot air for the drying barrel so as to dry the ABS plastic;
the drying barrel is arranged on the side surface of the drying barrel and is communicated with the fan;
The drying barrel is internally provided with a drying agent net barrel, the drying agent net barrel is rotationally connected with the drying barrel, the drying agent net barrel is internally provided with a partition board, and one half of the drying agent net barrel is communicated with the drying barrel;
The branch pipe is connected between the inclined pipe and the drying barrel and is communicated with the other half of the drying agent net barrel;
The hot and humid air exhausted from the drying barrel is dehumidified by the drying agent net barrel and then flows back to the fan, so that internal circulation heating can be realized, and the utilization efficiency of heat energy is improved.
Further, the upper surface of the drying barrel is provided with a motor, the inside of the drying barrel is provided with a spiral blade, ABS plastic can be turned over, and ABS plastic is dried more uniformly.
Furthermore, the valve is arranged on the branch pipe, so that the drying agent can be dried by hot air, and the recycling of the drying agent is realized.
Further, a controller is arranged on the upper surface of the heater, and the controller adjusts the temperature of the heater and the rotating speed of the fan, so that the corresponding temperature is changed for unused plastics.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The fan and the heater send hot air into the stoving bucket, dry the inside ABS plastic of stoving bucket, from stoving bucket exhaust damp and hot air entering stoving bucket, when damp and hot air passed the drier net bucket, the moisture of damp and hot air was adsorbed to the drier, reduced the humidity of damp and hot air and produced hot air, then the hot air got back to in the fan, reduced the waste of heat energy, improved heat energy utilization efficiency.
(2) The interior of the drying agent net barrel is divided into two parts, a part of hot air is extracted through the branch pipe to blow the drying agent in the drying agent net barrel, the drying agent can be reused, and the drying agent which is not absorbed in moisture can be aligned to the hose by rotating the drying agent net barrel in the drying barrel, so that the replacement of the drying agent is realized.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a cross-sectional view of the drying tub of the present utility model;
fig. 3 is a sectional view of the drying tub of the present utility model.
In the figure, 1, a drying barrel, 2, a drying barrel, 3, a branch pipe, 4, a valve, 5, an inclined pipe, 6, a heater, 7, a controller, 8, a hose, 9, a fan, 10, a motor, 11, a drying agent net barrel, 12, a partition plate, 13, a recovery pipe, 14 and a spiral blade.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples:
Referring to fig. 1-3, the utility model provides a technical scheme that the drying equipment for producing ABS plastic comprises a drying barrel 1, wherein an inclined tube 5 is arranged at the lower part of the drying barrel 1, the inclined tube 5 can prevent ABS plastic from entering a heater 6 and from overheating, the upper end of the inclined tube 5 is connected with the heater 6, and the upper end of the heater 6 is connected with a fan 9;
A drying barrel 2, wherein the drying barrel 2 is arranged on the side surface of the drying barrel 1, the drying barrel 2 is communicated with a fan 9, and the hot and humid air exhausted by the drying barrel 1 is recovered;
The drying barrel 2 is internally provided with a drying agent net barrel 11, the drying agent net barrel 11 is rotationally connected with the drying barrel 2, the drying agent net barrel 11 is internally provided with a partition plate 12, one half of the drying agent net barrel 11 is communicated with the drying barrel 1, the drying agent net barrel 11 stores granular drying agent, and the drying agent is divided into two parts, so that the drying agent can be replaced;
The branch pipe 3, the branch pipe 3 is connected between inclined tube 5 and drying drum 2, the branch pipe 3 communicates with the other half of drier net bucket 11, can weather the drier of moisture absorption, and the drier can reserve.
In this embodiment, as shown in fig. 3, the motor 10 is mounted on the upper surface of the drying barrel 1, the spiral blade 14 is mounted inside the drying barrel 1, and the motor 10 drives the spiral blade 14 to rotate to stir and flip the ABS plastic, so as to achieve uniform drying of the ABS plastic.
In this embodiment, as shown in fig. 1, a hose 8 is installed between the drying tub 1 and the drying tub 2, the hose 8 may be bent, so that the cover of the drying tub 1 may be conveniently opened, the drying tub 1 may be provided with a hopper, and ABS plastic may be conveniently added.
In this embodiment, as shown in fig. 1, the valve 4 is installed on the branch pipe 3, the hot air can enter the drying tub 2 by screwing the valve 4, the drying agent in the drying agent net tub 11 is dehumidified, and unnecessary hot air waste can be avoided by closing the valve 4.
In this embodiment, as shown in fig. 1, a controller 7 is mounted on the upper surface of the heater 6, and the controller 7 adjusts the temperature of the heater 6 and the rotation speed of the fan, so as to adjust or change the temperature according to the requirement, so as to adapt to the drying temperature of the plastics, and flexibly dry the plastics.
In this embodiment, as shown in fig. 1, a recovery pipe 13 is installed at the lower part of the drying tub 2, the recovery pipe 13 is communicated with the air inlet of the blower 9, and the hot air dehumidified by the drying agent can be reused by the blower 9.
Specifically, when the air conditioner is used, ABS plastic is placed in the drying barrel 1, the fan 9 and the heater 6 are started to send hot air into the drying barrel 1, the ABS plastic in the drying barrel 1 is dried, hot and humid air discharged from the drying barrel 1 enters the drying barrel 2 through the hose 8, when the hot and humid air passes through a drying agent in the drying agent net barrel 11, the drying agent absorbs moisture of the hot and humid air, the hot and humid air is recovered to support the hot and humid air, the hot air flows back to the fan 9 from the recovery pipe 13, and the waste heat of the air is reused, so that the energy consumption can be saved;
When the desiccant can not dehumidify the hot and humid air any more, the cover of the drying barrel 2 is opened, the desiccant net barrel 11 is rotated, the other half of the desiccant which can dehumidify the desiccant net barrel 11 is aligned to the hose 8, the hot and humid air can be dehumidified continuously, and after the valve 4 is opened, the hot air heats the desiccant which cannot be dehumidified through the branch pipe 3, so that the desiccant can recover the dehumidification capacity.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.