CN112519037B - Drying and deodorizing cooling device for plastic - Google Patents
Drying and deodorizing cooling device for plastic Download PDFInfo
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- CN112519037B CN112519037B CN202011199407.3A CN202011199407A CN112519037B CN 112519037 B CN112519037 B CN 112519037B CN 202011199407 A CN202011199407 A CN 202011199407A CN 112519037 B CN112519037 B CN 112519037B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
- B29B13/065—Conditioning or physical treatment of the material to be shaped by drying of powder or pellets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/261—Drying gases or vapours by adsorption
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/04—Conditioning or physical treatment of the material to be shaped by cooling
- B29B13/045—Conditioning or physical treatment of the material to be shaped by cooling of powders or pellets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
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- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Drying Of Solid Materials (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a drying, deodorizing and cooling device for plastics, which comprises a bracket, a drying mechanism, a deodorizing and cooling mechanism and a cooling mechanism, wherein the drying mechanism and the cooling mechanism are sequentially arranged on the bracket from top to bottom, the deodorizing and cooling mechanism and the drying mechanism are sequentially arranged on the bracket from left to right, the drying mechanism enables plastic granules to fall from a high place and dry the plastic granules at a high temperature, the deodorizing and cooling mechanism removes smell and carries out heat dissipation on high-temperature steam generated by the drying mechanism and provides air required by cooling for the cooling mechanism, and the cooling mechanism enables the plastic granules to fall from the high place and cool and air-dry the plastic granules.
Description
Technical Field
The invention relates to the technical field of plastic drying, deodorizing and cooling, in particular to a drying, deodorizing and cooling device for plastic.
Background
In the plastics manufacturing industry, since the degree of dryness of plastic pellets is closely related to the transparency, color purity, mechanical properties including bending, torsion, elasticity, tension index, yield, etc., and electrical properties including insulation, conductivity, etc., of the final product, a corresponding drying process must be performed before the plastic pellets are fed into an injection molding machine, extruder, suction molding machine, or other plastic processing machine.
Many drying methods for plastic material pellets have been proposed so far, but the most widely used at present is the dry air method, namely: the heated air is passed through the plastic pellets to remove the corresponding moisture therefrom. However, the drying of plastic pellets by the heated air flow alone is not only energy-consuming but also long in drying time, resulting in a large specific gravity of the drying in the production cost of plastics. In particular, in recent years, the requirements for removing peculiar smell of plastics are raised, so that plastics often need to be dried for multiple times, which greatly increases the production cost of plastics manufacturing enterprises and severely restricts the development of related enterprises.
The plastic granules are required to be cooled again after being dried at high temperature, most of cooling methods are cooling liquid cooling, the cooling effect is achieved by taking away heat emitted by the plastic granules through the cooling liquid, but the plastic granules are likely to be adhered together due to higher temperature generated by accumulation in the cooling process, so that the use of the plastic granules is affected, and the cooling time of the cooling liquid is relatively long.
Therefore, there is a need for a dry deodorizing cooling device for plastics to solve the above problems.
Disclosure of Invention
The invention aims to provide a drying and deodorizing cooling device for plastics, which aims to solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a plastics are with dry cooling device that removes flavor, this dry cooling device that removes flavor includes support, drying mechanism, removes flavor heat dissipation mechanism, cooling mechanism, set gradually drying mechanism, cooling mechanism from last down on the support, set gradually on the support from a left side to the right side removes flavor heat dissipation mechanism, drying mechanism makes plastics pellet fall down from the eminence and carries out high temperature drying to the plastics pellet, remove flavor heat dissipation mechanism carries out the deodorization to the high temperature vapor that drying mechanism produced, heat dissipation treatment and provides the air that the cooling needs for cooling mechanism, cooling mechanism makes the plastics pellet fall down from the eminence and carries out the cooling air-drying to the plastics pellet. The drying mechanism enables plastic granules to fall from a high place to move in a free falling mode, meanwhile, the drying mechanism utilizes spiral high-temperature airflow to dry the plastic granules falling from the high place, the plastic granules are fully contacted with the high-temperature airflow in the falling process and are dried, the deodorizing and radiating mechanism converts high-temperature steam generated in the drying process of the drying mechanism, the high-temperature steam is converted into low-temperature air and water, the low-temperature air is removed, the air with the peculiar smell removed is led into the cooling mechanism to assist the cooling mechanism to air-dry and cool the high-temperature plastic, the cooling mechanism utilizes an internal structure to enable the plastic granules to move in the free falling mode, spiral cooling airflow is generated, the low-temperature air provided by the deodorizing and radiating mechanism air-dries and cools the plastic, the quick drying and deodorizing and cooling treatment of the plastic is achieved through the mutual matching of the drying mechanism, the deodorizing and radiating mechanism and the cooling mechanism, and the high-temperature air which is led into the cooling mechanism is heated and utilized again after being treated.
As a preferable technical scheme, the drying mechanism comprises a drying box, a drying shaft and a heating device, wherein the drying box is arranged on the bracket, the drying shaft is arranged in the drying box, a plurality of groups of drying plates are arranged on the drying shaft, the heating device is arranged on the bracket, and the heating device injects high-temperature air into the drying box; the deodorizing and radiating mechanism comprises a radiating plate and a deodorizing box, wherein the radiating plate is arranged on a bracket, one end of the radiating plate is fixed with a drying box, the deodorizing box is arranged on the bracket, and one end of the deodorizing box is fixed with the other end of the radiating plate; the cooling mechanism comprises a cooling box and a cooling shaft, the cooling box is arranged on the bracket, the cooling shaft is arranged in the cooling box, and a cooling plate is arranged on the cooling shaft; the cooling box is fixed with the other end of the deodorizing box, the cooling box is fixed with the heating device, and the cooling box is fixed with the drying box. The bracket provides support for the installation of the drying mechanism, the deodorizing and radiating mechanism and the cooling mechanism, the drying box provides space support for the drying mechanism to dry plastics, the drying shaft stirs plastic granules in the drying box and enables the inside of the drying box to generate spiral high-temperature air flow, the heat supply device provides high-temperature air for the drying box to dry the plastic granules, the drying plate rotates in the drying box under the drive of the drying shaft and stirs the plastic granules, the plastic granules drop from the drying plate and move in a free falling manner under the stirring of the drying plate, the heat dissipation plate converts the high-temperature air generated in the drying box, the heat dissipation plate cools the high-temperature air to convert the low-temperature air into low-temperature air and water, the deodorizing box filters the low-temperature air with plastic peculiar smell, the plastic peculiar smell in the air is removed, the cooling box provides an operation space for cooling the dried high-temperature plastic, the cooling shaft provides a support for the installation of the cooling plate, the cooling plate is driven to rotate in the cooling box, the cooling plate stirs plastic granules in the cooling box, the plastic granules fall from the cooling plate under the pushing of the cooling plate, the plastic granules move freely in the cooling box, the cooling plate simultaneously generates spiral cooling airflow in the cooling box under the driving of the cooling shaft, the plastic granules which move freely are in contact with the cooling airflow, the plastic granules can be rapidly air-dried and cooled, the heating device is connected with the drying box, the drying box is connected with the radiating plate, the radiating plate is connected with the deodorizing box, the deodorizing box is connected with the cooling box, the cooling box is connected with the heating device, and the air provided by the heating device is heated, cooled and deodorized by the circulating connection, and the water is removed and then reused.
As the preferred technical scheme, from down upwards having set gradually dry axle, interception net, supporting network in the drying cabinet, the upper end of drying cabinet is fixed with the one end of heating panel, and lower extreme one side of drying cabinet is fixed with upper end one side of cooling cabinet, dry axle is from down upwards having set gradually dry motor, ventilation block, a plurality of group drying board, dry motor sets up on the support, and dry motor and ventilation block hub connection, ventilation block and heating device rotate to be connected, a plurality of groups be provided with a plurality of groups of relief holes, a plurality of group exhaust hole on the drying board. The interception net intercepts plastic granules in the drying box, prevent to carry out the plastics granule of high temperature dewatering along with high temperature air flow gets into in the heating panel, the support net carries out the erection bracing to the one end of dry axle, carry out secondary interception to the plastics granule simultaneously, the drying motor provides power for the rotation of dry axle, the ventilation piece rotates with heating device to be connected, the ventilation piece provides the basis for high temperature air carries out in the drying box when rotating, the drying plate carries out the shovel to the plastics granule and moves the stirring, the relief hole is the plastics granule on the drying plate and leaves the drying plate and carry out the free fall and provide the passageway, the exhaust hole provides the passageway for the high temperature air that the ventilation piece inserted carries out the drying box.
As the preferred technical scheme, drying axle and a plurality of group's desiccator are hollow structure, a plurality of groups perpendicular slope 60 between desiccator and the drying axle, a plurality of groups perpendicular slope 30 between discharge hole and the desiccator, a plurality of groups mutually perpendicular between exhaust hole and the desiccator, heating device includes air machine, heater, ventilation shell, the one end of heater is fixed with the one end of air machine, and the other end of heater is fixed with the ventilation shell, ventilation shell rotates with the piece of ventilating to be connected, one side of cooling box is fixed with the one end of air machine. The drying shaft and the drying plate are of hollow structures, a channel is provided for high-temperature air to pass through the drying box through the ventilation block, heat is emitted outwards under the action of the high-temperature air, plastic granules in the drying box can be dehydrated to a certain extent, the hollow structures of the drying shaft and the drying plate can reduce the load of a drying motor, the drying plate and the drying shaft are vertically inclined by 60 degrees, the plastic granules can be moved onto the drying plate under the pushing of the drying plate when the drying plate is shoveled, the discharge hole and the drying plate are vertically inclined by 30 degrees, 60 degrees are matched between the drying plate and the drying shaft again, the discharge hole and the drying shaft are mutually perpendicular, the inclination angle of the discharge hole enables the plastic granules to vertically drop from the drying plate, the air machine provides an air source for drying of plastics, the heater heats the air provided by the air machine, the ventilation shell is arranged on the outer side of the ventilation block, the ventilation shell is rotationally connected with the ventilation block, the ventilation shell and the ventilation block are mutually matched to form a transit space of the high-temperature air to carry out the drying box, and the ventilation shell and the ventilation block can enter the ventilation box through the ventilation block.
As the preferred technical scheme, the fixed position of drying cabinet and cooler bin is provided with the plugging device, the plugging device includes shutoff shell, shutoff piece, the shutoff shell sets up on the support, has set gradually a plurality of spacing posts of group, shutoff piece from a left side to the right side in the shutoff shell, shutoff piece and shutoff shell sliding connection, be provided with the auxiliary column on the terminal surface that the shutoff piece is close to spacing post, a plurality of groups be provided with reset spring on the spacing post, reset spring's the other end sets up on the auxiliary column, be provided with the inlet port on the shutoff shell, shutoff piece and drying cabinet sliding connection, the shutoff shell is fixed with the upper end of drying cabinet through the inlet port. The plugging device plugs a connecting channel between the drying box and the cooling box, so that when the drying box dries plastic granules, the high temperature in the drying box and the plastic granules cannot be cooled in the cooling box, the plugging shell provides mounting support for the plugging block and the limiting column, the plugging block is in sliding connection with the plugging shell, the plugging block plugs the channel between the drying box and the cooling box, the limiting column and the auxiliary column are mutually matched to limit the sliding distance of the plugging block, the reset spring enables the plugging block to slide out of the plugging shell, the plugging block releases the plugging of the channel under the action of high-temperature water vapor, and the limiting column and the auxiliary column are mutually matched to limit the sliding distance of the plugging block into the plugging shell.
As the preferred technical scheme, the heating panel is the fin structure, and the inside of heating panel is provided with the radiating pipe of S type, the upper end of deodorizing box is fixed with the one end of heating panel, and the lower extreme of deodorizing box is fixed with one side of cooling box, is provided with a plurality of groups dehumidification deodorizing board in the deodorizing box. The cooling plate of fin structure carries out heat dissipation cooling to high temperature vapor when getting into the heating panel, the radiating time of S type cooling tube extension high temperature vapor in the heating panel, the heat dissipation pipeline of S type stores the water that produces after the high temperature vapor cooling simultaneously, when getting into the heating panel from the high temperature vapor in the drying cabinet, when passing through lower temperature water, can accelerate the cooling to high temperature vapor, the deodorization case provides the installation support for the installation of dehumidification deodorization board, dehumidification deodorization board dehumidifies the air that has moisture and plastics peculiar smell, remove the peculiar smell, can let in clean air in the cooling case.
As the preferable technical scheme, lower extreme one side of cooling tank is provided with row material pipe, and the cooling tank is provided with the plugging device in row material pipe's top, has set gradually cooling shaft, baffle from down upwards in the cooling tank, and a plurality of groups incline 60 between cooling plate and the cooling shaft, set up a plurality of groups of feed through hole on a plurality of groups of cooling plate, a plurality of groups incline 30 between feed through hole and the cooling plate. The material discharging pipe is used for discharging plastic granules after air drying and cooling in the cooling box to provide a channel, the plugging device is used for plugging the material discharging pipe, the plastic granules are prevented from flowing out of the cooling box through the material discharging pipe when air drying and cooling in the cooling box, the space in the cooling box is separated by the partition plate, the air injection space and the air drying and cooling space are formed in the cooling box, the angle between the cooling plate and the cooling shaft is set, the angle between the material passing hole and the cooling plate is the same as the reason for setting the angle between the drying plate and the drying shaft and the angle between the material passing hole and the drying plate, and the material passing hole is used for providing a channel for the plastic granules to leave the cooling plate.
As the preferred technical scheme, the lower extreme of cooling axle is provided with cooling motor, and the cooling axle includes fixed axle housing, axis of rotation, fixed axle housing is fixed with a plurality of cooling plates of group, and the outside at the axis of rotation is established to the fixed axle housing cover, is provided with a plurality of groups bracing piece between fixed axle housing and the axis of rotation, is provided with a plurality of groups air vent on the fixed axle housing, fixed axle housing with the baffle is all run through to the upper end of axis of rotation, fixed axle housing rotates with the baffle and is connected. The cooling motor provides rotation power for the rotation of cooling axle, and fixed axle housing and axis of rotation mutually support the passageway that forms the low temperature air and air-dry cooling space, make low temperature air get into air-dry cooling space from the bottom of passageway, when making the cooler bin discharge the plastics aggregate after air-drying, can blow the plastics aggregate through the air that gets into from the bottom, make the whole cooler bin that discharges of plastics aggregate, the bracing piece consolidates the connection between fixed axle housing and the axis of rotation, supports the passageway between fixed axle housing and the axis of rotation simultaneously.
Compared with the prior art, the invention has the beneficial effects that: the drying mechanism stirs the plastic granules and enables the plastic granules to fall from a high place to move freely, the drying mechanism utilizes spiral high-temperature air flow to dry the plastic granules falling from the high place, the plastic granules are enabled to be fully contacted with the high-temperature air flow in the falling process, the drying process of the plastic granules is accelerated, drying time is shortened, the drying mechanism enables peculiar smell emitted by the plastic granules and high-temperature water vapor phase to be contained and discharged from a drying box in the stirring process of the plastic granules, the deodorizing and radiating mechanism converts the high-temperature water vapor generated in the drying process of the drying mechanism, the high-temperature water vapor is converted into low-temperature air and water, the low-temperature air is used for removing the peculiar smell of the plastic, the air for removing the peculiar smell is led into the cooling mechanism to air-dry and cool the high-temperature plastic, the cooling mechanism utilizes the internal structure to stir the plastic granules and enable the high place to fall freely to move freely, the cooling mechanism utilizes the internal structure to generate spiral cooling air flow, meanwhile, the low-temperature air provided by the deodorizing and radiating mechanism air is used for air-dry and cool the plastic granules, the plastic granules are not only not adhered together, but also accelerated, and the cooling mechanism, the cooling mechanism and the cooling mechanism are matched with the cooling mechanism are used for cooling and the cooling mechanism.
Drawings
FIG. 1 is a schematic diagram showing the installation of the whole structure of a drying and deodorizing cooling device for plastics;
FIG. 2 is a schematic diagram showing the overall structure of a drying and deodorizing cooling device for plastics according to the present invention;
FIG. 3 is a schematic diagram showing the internal structure of a drying mechanism of a drying, deodorizing and cooling device for plastics according to the present invention;
FIG. 4 is a schematic diagram showing the internal structure of a stopper of a drying and deodorizing cooling device for plastics according to the present invention;
FIG. 5 is a top view of a closure of a dry deodorizing cooling device for plastic according to the present invention;
FIG. 6 is a schematic diagram showing the internal structure of a heat dissipating plate of a drying and deodorizing cooling device for plastics according to the present invention;
FIG. 7 is a schematic view showing the internal structure of a cooling mechanism of a drying and deodorizing cooling device for plastics according to the present invention;
FIG. 8 is a schematic view showing the internal structure of a cooling shaft of a drying and deodorizing cooling device for plastics according to the present invention;
fig. 9 is a top view of an interception net or support net of a dry deodorizing cooling device for plastic according to the present invention.
The reference numerals are as follows: 1. a bracket; 2. a drying mechanism; 3. a deodorizing and heat dissipating mechanism; 4. a cooling mechanism; 5. a stopper; 2-1, a drying box; 2-2, drying shaft; 2-4, drying the plate; 2-11, an interception net; 2-12, a supporting net; 2-21, a drying motor; 2-22, a ventilation block; 2-31, an air machine; 3-32, a heater; 2-33, a ventilation shell; 2-41, a discharge hole; 2-42, exhaust holes; 3-1, a heat dissipation plate; 3-2, a deodorizing box; 3-11, a heat dissipation pipeline; 3-21, dehumidifying and deodorizing board; 4-1, a cooling box; 4-2, cooling the shaft; 4-3, cooling plates; 4-4, cooling the motor; 4-11, a discharge pipe; 4-12, a separator; 4-21, fixing the axle housing; 4-22, rotating shaft; 4-23, supporting rods; 4-24, vent holes; 4-31, a material passing hole; 5-1, plugging the shell; 5-2, plugging blocks; 5-3, limiting columns; 5-4, auxiliary columns; 5-5, a return spring.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples: as shown in fig. 1-9, the drying and deodorizing cooling device for plastics comprises a bracket 1, a drying mechanism 2, a deodorizing and heat-dissipating mechanism 3 and a cooling mechanism 4, wherein the drying mechanism 2 and the cooling mechanism 4 are sequentially arranged on the bracket 1 from top to bottom, the deodorizing and heat-dissipating mechanism 3 and the drying mechanism 2 are sequentially arranged on the bracket 1 from left to right, the drying mechanism 2 enables plastic granules to fall from a high place and dry the plastic granules at a high temperature, the deodorizing and heat-dissipating mechanism 3 carries out deodorizing and heat-dissipating treatment on high-temperature steam generated by the drying mechanism 2 and provides air required by cooling for the cooling mechanism 4, and the cooling mechanism 4 enables the plastic granules to fall from the high place and cool and air-dry the plastic granules.
All motors involved in the device are JSF 42-3-30-AS-1000, all motors involved in the device, an electric control valve, an air machine 2-31, a heater 3-32 and a humidity sensor are connected with an external control system, and the model of the humidity sensor is HIH-3602.
The drying mechanism 2 comprises a drying box 2-1, a drying shaft 2-2 and a heat supply device, wherein the drying box 2-1 is fixed on the bracket 1 through screws, the drying shaft 2-2 is rotatably arranged in the drying box 2-1, a plurality of groups of drying plates 2-4 are welded on the drying shaft 2-2, the heat supply device is fixed on the bracket 1 through screws, and high-temperature air is injected into the drying box 2-1 by the heat supply device;
the drying box 2-1 is internally and sequentially rotatably provided with a drying shaft 2-2, an interception net 2-11 and a support net 2-12 from bottom to top, the upper end of the drying box 2-1 is welded with the air inlet end of the heat radiation plate 3-1 through a pipeline, one side of the lower end of the drying box 2-1 is provided with a discharge port, the drying box 2-1 is welded with a pipeline at the position of the discharge port, the other end of the pipeline penetrates through a box body at the upper end of the cooling box 4-1, the drying shaft 2-2 is sequentially provided with a drying motor 2-21, an air ventilation block 2-22 and a plurality of groups of drying plates 2-4 from bottom to top, the drying motor 2-21 is fixed on the support 1 through screws, the air ventilation block 2-22 is welded at the lower end of the drying shaft 2-2, the middle position of the lower end of the air ventilation block 2-22 is provided with a shaft hole, a motor shaft of the drying motor 2-21 is arranged in the shaft hole, the drying motor 2-21 is connected with the air ventilation block 2-22 through a shaft and is fixed through a screw, the upper end of the pipeline penetrates through a box body at the upper end of the cooling box 4-1, and the upper end of the air ventilation block 2-22 is provided with a plurality of air inlets 2-22, and the air ventilation block 2-22 can be connected with the air inlet device for supplying heat to the air supply device in the air supply device for supplying heat to the air in the drying box 1.
The drying shaft 2-2 and the drying plates 2-4 are of hollow structures, high-temperature air introduced from the ventilation block 2-22 can heat the drying shaft 2-2 and the drying plates 2-4, the drying shaft 2-2 and the drying plates 2-4 radiate heat outwards under the action of the high-temperature air, plastic granules in the drying box 2-1 can be subjected to a certain degree of dewatering treatment, the drying plates 2-4 are provided with a plurality of groups of discharge holes 2-41 and a plurality of groups of discharge holes 2-42, the drying plates 2-4 and the drying shaft 2-2 are vertically inclined by 60 degrees, the discharge holes 2-41 and the drying plates 2-4 are vertically inclined by 30 degrees, the exhaust holes 2-42 and the drying plates 2-4 are mutually perpendicular, the hollow structures of the drying shafts 2-2 and the drying plates 2-4 can reduce the load of the drying motor 2-21, the drying plates 2-4 are vertically inclined by 60 degrees, the drying plates 2-4 can be pushed by the plastic granules in the drying box 2-1, and the plastic granules can be vertically inclined by 60 degrees between the drying plates 2-4 and the drying plates 2-4 when the drying plates 2-1 are pushed by the plastic granules and the drying plates 2-4, and the drying plates 2-4 are vertically inclined by the inclination angles between the drying plates 2-41 and the drying plates 2-4.
The heat supply device comprises an air machine 2-31, a heater 3-32 and a ventilation shell 2-33, wherein the air machine 2-31 is a machine for improving the pressure of gas and discharging the gas by means of input mechanical energy, such as a blower, a fan and the like, and the heater 3-32 is an electric heating device for mainly heating the gas flow, such as a pipeline type air heater, an air duct type air heater and the like.
The air machine 2-31 provides an air source for drying plastics, the heater 3-32 heats the air provided by the air machine, the air inlet end of the heater 3-32 is connected with the air outlet end of the air machine 2-31 through a pipeline, the air outlet end of the heater 3-32 is fixed with the air inlet shell 2-33 through a pipeline, the pipeline is welded with the air inlet shell 2-33, the air inlet shell 2-33 is fixed on the support 1 through screws, the air inlet shell 2-33 is sleeved on the outer side of the air inlet block 2-22 and is rotationally connected with the air inlet block 2-22, a sealing ring is arranged at the connecting position of the air inlet shell 2-33 and the air inlet block 2-22, a gap between the air inlet shell 2-33 and the air inlet block 2-22 can be plugged through the sealing ring, high-temperature air is prevented from overflowing from the gap, the air inlet shell 2-33 and the air inlet block 2-22 are mutually matched to form a transfer space of the drying box 2-1, the high-temperature air can enter the drying box through the air inlet shell 2-33, one side of the cooling box 4-1 is provided with the air inlet box 4-1, the air outlet box 4-33 is welded with the air outlet port 2-22 at the other end of the air outlet of the air machine, and the air outlet port is cooled by the air outlet machine after the air outlet is welded with the air outlet 2-1.
The drying box 2-1 is provided with a plugging device 5 at the position of a discharge hole, the plugging device 5 comprises a plugging shell 5-1 and a plugging block 5-2, the plugging shell 5-1 is fixed on the support 1 through screws, a plurality of groups of limiting columns 5-3 are sequentially welded in the plugging shell 5-1 from left to right, the plugging block 5-2 is slidably arranged, the plugging block 5-2 slides in the plugging shell 5-1, an auxiliary column 5-4 is welded on the end face, close to the limiting columns 5-3, of the plugging block 5-2, a reset spring 5-5 is sleeved on the limiting columns 5-3, the other end of the reset spring 5-5 is sleeved on the auxiliary column 5-4, the plugging block 5-2 extends out of the plugging shell 5-1 through the reset spring 5-1 and plugs the discharge hole, an air inlet hole is formed in the upper end face of the plugging shell 5-1 at the position where the plugging block 5-2 is arranged, an air inlet pipeline is welded at the position of the plugging shell 5-1, the other end of the air inlet pipeline and the pipeline at the upper end of the drying box 2-1 are welded together, the air inlet pipeline is electrically controlled by the reset spring 5-4, and the air inlet pipeline enters the air inlet pipeline through the electric control valve 5-1, and the air inlet pipeline is electrically controlled by the electric control valve.
When the electric control valve is opened, high-temperature water vapor is injected into the pressurizing space inside the blocking shell 5-1 through the air inlet pipeline, so that the pressure in the pressurizing space is enhanced, the pressurizing space is increased, the blocking block 5-2 is retracted into the blocking shell 5-1, and when the blocking block 5-2 is retracted into the blocking shell 5-1, the blocking block 5-2 is mutually matched with the auxiliary column 5-4 to form a complete discharging channel while the blocking of a discharging port is released through the mutual matching of the blocking block 5-2 and the discharging port.
Further optimizing scheme, the upper end of drying cabinet 2-1 is fixed with humidity transducer through the screw, can monitor the humidity condition in the drying cabinet 2-1 through humidity transducer to can know the current progress of drying to plastics through humidity transducer.
Further optimizing scheme, one side of drying cabinet 2-1 far away from remove flavor heat dissipation mechanism 3 has the feeder hopper through the pipe connection, and the lower extreme of feeder hopper has the automatically controlled valve through the screw fixation, and the automatically controlled valve is shutoff to the feeder hopper, when needs add the plastics pellet in the drying cabinet 2-1, opens the automatically controlled valve, and the plastics pellet in the feeder hopper will carry out in the drying cabinet 2-1 through the pipe, and when the feed amount of plastics pellet reaches certain degree, closes the automatically controlled valve.
The deodorizing and radiating mechanism 3 comprises a radiating plate 3-1 and a deodorizing box 3-2, wherein the radiating plate 3-1 is fixed on a bracket 1 through screws, the air inlet end of the radiating plate 3-1 is fixed with a pipeline at the upper end of a drying box 2-1 through screws, the radiating plate 3-1 is of a radiating fin structure, the radiating plate 3-1 of the radiating fin structure radiates and cools high-temperature water vapor when entering the radiating plate 3-1, S-shaped radiating pipelines 3-11 are processed in the radiating plate 3-1, the S-shaped radiating pipelines 3-11 prolong the radiating time of the high-temperature water vapor in the radiating plate 3-1, meanwhile, the S-shaped radiating pipelines 3-11 store water generated after the high-temperature water vapor is cooled, and when the high-temperature water vapor in the drying box 2-1 enters the radiating plate 3-1 through lower-temperature water, the radiating plate can accelerate the cooling of the high-temperature water vapor 3-1.
According to a further optimization scheme, an electric control valve and a pressure sensor are arranged at the bottom of the heat dissipation pipeline 3-11, and when the pressure sensor monitors that the pressure of water in the heat dissipation pipeline 3-11 is too high, the electric control valve is opened to partially drain the water in the heat dissipation pipeline 3-11.
The deodorizing box 3-2 is fixed on the bracket 1 through screws, the air inlet end of the deodorizing box 3-2 is fixed with the air outlet end of the radiating plate 3-1 through a pipeline and screws, the air outlet end of the deodorizing box 3-2 is fixed with one side of the cooling box 4-1 through a pipeline and screws, a plurality of groups of dehumidifying deodorizing plates 3-21 are fixedly arranged in the deodorizing box 3-2 through screws, and fillers for absorbing moisture and peculiar smell, such as activated carbon, coke, sawdust and the like, are arranged on the dehumidifying deodorizing plates 3-21, dehumidify air with moisture and plastic peculiar smell through the fillers, so that clean air can be introduced into the cooling box 4-1.
The cooling mechanism 4 comprises a cooling box 4-1 and a cooling shaft 4-2, the cooling box 4-1 is fixed on the bracket 1 through screws, the cooling shaft 4-2 is rotatably arranged in the cooling box 4-1, and a plurality of groups of cooling plates 4-3 are welded on the cooling shaft 4-2;
the lower extreme one side welding of cooling tank 4-1 has row material pipe 4-11, and the plugging device 5 is installed to cooling tank 4-1 in row material pipe 4-11 top, and plugging device 5 is connected with the end of giving vent to anger of deodorizing case 3-2 through the pipeline, and the junction is installed automatically controlled valve, and cooling shaft 4-2 is installed to the rotation in proper order from down in the cooling tank 4-1, has welded baffle 4-12, inclines 60 between a plurality of sets of cooling plates 4-3 and the cooling shaft 4-2, processes a plurality of sets of feed through holes 4-31 on a plurality of sets of cooling plates 4-3, inclines 30 between a plurality of sets of feed through holes 4-31 and the cooling plate 4-3.
The lower end shaft of the cooling shaft 4-2 is connected with a cooling motor 4-4, the lower end of the cooling shaft 4-2 is connected with the cooling motor 4-4 through a coupler, the cooling shaft 4-2 comprises a fixed shaft housing 4-21 and a rotating shaft 4-22, the fixed shaft housing 4-21 is fixedly welded with a plurality of groups of cooling plates 4-3, the fixed shaft housing 4-21 is sleeved on the outer side of the rotating shaft 4-22, the lower end of the fixed shaft housing 4-21 is welded with the rotating shaft 4-22, a plurality of groups of supporting rods 4-23 are welded between the fixed shaft housing 4-21 and the rotating shaft 4-22, a plurality of groups of vent holes 4-24 are machined in the fixed shaft housing 4-21, and the upper ends of the rotating shaft 4-22 penetrate through a partition plate 4-12, and the fixed shaft housing 4-21 is rotatably connected with the partition plate 4-12.
The cooling motor 4-4 drives the cooling shaft 4-2 to rotate in the cooling box 4-1, the cooling plate 4-3 rotates in the cooling box 4-1 under the drive of the cooling shaft 4-2, and the cooling plate 4-3 shovels plastic granules in the cooling box 4-1, so that the plastic granules fall behind the cooling plate 4-3 through the feed-through holes 4-31, and simultaneously when the cooling plate 4-3 rotates in the cooling box 4-1, spiral air-drying air flow is generated in the cooling plate 4-3, and cooling and air-drying treatment of the plastic granules is accelerated.
The working principle of the invention is as follows:
and (3) placing plastic granules which need to be dried, deodorized and cooled into a feed hopper, then opening an electric control valve below the feed hopper, and closing the electric control valve when the feeding amount of the plastic granules reaches a certain degree after the plastic granules in the feed hopper are put into a drying box 2-1 through a pipeline.
When plastic granules enter the drying box 2-1, the air machine 2-31 starts to work and provides an air source for drying plastic, the heater 3-32 heats the air provided by the air machine, the heated air enters the drying shaft 2-2 and the drying plates 2-4 through the ventilation shell 2-33 and the ventilation block 2-11, the drying shaft 2-2 and the drying plates 2-4 are hollow structures, high-temperature air introduced from the ventilation block 2-22 can heat the drying shaft 2-2 and the drying plates 2-4, the drying shaft 2-2 and the drying plates 2-4 emit heat outwards under the action of the high-temperature air, the plastic granules in the drying box 2-1 can be dehydrated to a certain extent, the high temperature air heats the drying shaft 2-2 and the drying plate 2-4 and enters the drying box 2-1 through a plurality of groups of exhaust holes 2-42, then the drying shaft 2-2 rotates in the drying box 2-1 under the drive of the drying motor 2-21, the drying plate 2-4 shovels plastic granules in the drying box 2-1, the drying shaft 2-4 generates spiral high temperature air flow in the drying box 2-1 under the drive of the drying shaft 2-2 and under the condition that the high temperature air is injected into the drying box 2-1, a plurality of groups of drying plates 2-4 are vertically inclined by 60 degrees with the drying shaft 2-2, when the drying plate 2-4 shovels the plastic granules in the drying box 2-1, the plastic granules are driven by the drying plate 2-4 to move onto the drying plate 2-4, the plurality of groups of discharge holes 2-41 are vertically inclined by 30 degrees with the drying plate 2-4, and then are matched with 60 degrees between the drying plate 2-4 and the drying shaft 2-2, so that the discharge holes 2-41 are mutually vertical to the drying shaft 2-2, plastic granules can vertically fall from the rear of the drying plate 2-4 through the inclination angle of the discharge holes 2-41, and are fully contacted with spiral high-temperature airflow in the falling process to be dehydrated and dried.
The high-temperature steam generated in the drying process of plastic granules in the drying box 2-1 enters the cooling plate 3-1 through a pipeline at the upper end of the drying box 2-1, the cooling plate 3-1 is of a cooling fin structure, the cooling plate 3-1 of the cooling fin structure dissipates heat and cools the heat when the high-temperature steam enters the cooling plate 3-1, an S-shaped cooling pipeline 3-11 is processed in the cooling plate 3-1, the cooling time of the high-temperature steam in the cooling plate 3-1 is prolonged by the S-shaped cooling pipeline 3-11, meanwhile, water generated after the high-temperature steam is cooled by the S-shaped cooling pipeline 3-11 is stored, and when the high-temperature steam in the drying box 2-1 enters the cooling plate 3-1, the cooling of the cooling plate 3-1 to the high-temperature steam can be accelerated when the water passes through lower temperature.
The air inlet end of the deodorizing box 3-2 and the air outlet end of the radiating plate 3-1 are fixed together through a pipeline, air cooled in the radiating plate 3-1 enters the deodorizing box 3-2, a plurality of groups of dehumidifying deodorizing plates 3-21 are arranged in the deodorizing box 3-2, fillers for absorbing moisture and peculiar smell, such as activated carbon, coke, sawdust and the like, are placed on the dehumidifying deodorizing plates 3-21, and the dehumidifying deodorizing plates 3-21 dehumidify the air with moisture and plastic peculiar smell through the fillers, so that clean air can be introduced into the cooling box 4-1.
The air outlet end of the deodorizing box 3-2 is connected with one side of the cooling box 4-1 through a pipeline, when the dried plastic granules need to be cooled and dried, high-temperature water vapor is injected into the plugging device 5 at the lower end of the drying box 2-1, so that the plugging device 5 releases a connecting channel between the drying box 2-1 and the cooling box 4-1, the plastic granules in the drying box 2-1 enter the cooling box 4-1 through the pipeline, when the plastic granules in the drying box 2-1 enter the cooling box 4-1, new plastic granules are added into the drying box 2-1 again, and the cooling box 4-1 cools and air-dries the dried plastic granules.
After the dried plastic granules enter the cooling box 4-1, the cooling motor 4-4 drives the cooling shaft 4-2 to rotate in the cooling box 4-1, meanwhile clean air led in by the deodorizing box 3-2 enters the cooling box 4-1 through the vent holes 4-24 on the fixed shaft shell 4-21, the cooling plate 4-3 rotates in the cooling box 4-1 under the driving of the cooling shaft 4-2, and meanwhile the cooling plate 4-3 shovels the plastic granules in the cooling box 4-1, so that the plastic granules fall behind the cooling plate 4-3 through the material through holes 4-31, and air led in by the deodorizing box 3-2 generates spiral air-drying airflow in the cooling plate 4-3 when the cooling box 4-1 rotates, so that the plastic granules are fully contacted with the air in the falling process, and the cooling air-drying treatment of the plastic granules is accelerated.
After the plastic is cooled and air-dried, an electric control valve for plugging the plugging device 5 at the lower end of the cooling box 4-1 is opened, so that air in the deodorizing box 3-1 enters the plugging device 5, the plugging device 5 releases the plugging of the discharging pipe 4-11, and cooled and air-dried plastic granules are discharged out of the cooling box 4-1 through the discharging pipe 4-11.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. 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.
Claims (3)
1. A dry deodorizing cooling device for plastics is characterized in that: the drying and deodorizing cooling device comprises a support (1), a drying mechanism (2), a deodorizing and heat-dissipating mechanism (3) and a cooling mechanism (4), wherein the drying mechanism (2) and the cooling mechanism (4) are sequentially arranged on the support (1) from top to bottom, the deodorizing and heat-dissipating mechanism (3) and the drying mechanism (2) are sequentially arranged on the support (1) from left to right, the drying mechanism (2) enables plastic granules to fall from a high place and dry the plastic granules at a high temperature, the deodorizing and heat-dissipating mechanism (3) removes high-temperature steam generated by the drying mechanism (2), dissipates heat and provides air required by cooling for the cooling mechanism (4), and the cooling mechanism (4) enables the plastic granules to fall from a high place and cool and air-dry the plastic granules;
the drying mechanism (2) comprises a drying box (2-1), a drying shaft (2-2) and a heating device, wherein the drying box (2-1) is arranged on the support (1), the drying shaft (2-2) is arranged in the drying box (2-1), a plurality of groups of drying plates (2-4) are arranged on the drying shaft (2-2), the heating device is arranged on the support (1), and high-temperature air is injected into the drying box (2-1) by the heating device; the deodorizing and radiating mechanism (3) comprises a radiating plate (3-1) and a deodorizing box (3-2), wherein the radiating plate (3-1) is arranged on the bracket (1), one end of the radiating plate (3-1) is fixed with the drying box (2-1), the deodorizing box (3-2) is arranged on the bracket (1), and one end of the deodorizing box (3-2) is fixed with the other end of the radiating plate (3-1); the cooling mechanism (4) comprises a cooling box (4-1) and a cooling shaft (4-2), the cooling box (4-1) is arranged on the bracket (1), the cooling shaft (4-2) is arranged in the cooling box (4-1), and a cooling plate (4-3) is arranged on the cooling shaft (4-2); the cooling box (4-1) is fixed with the other end of the deodorizing box (3-2), the cooling box (4-1) is fixed with the heating device, and the cooling box (4-1) is fixed with the drying box (2-1);
the drying box (2-1) is internally provided with a drying shaft (2-2), an interception net (2-11) and a supporting net (2-12) from bottom to top in sequence, the upper end of the drying box (2-1) is fixed with one end of a heat radiating plate (3-1), one side of the lower end of the drying box (2-1) is fixed with one side of the upper end of a cooling box (4-1), the drying shaft (2-2) is internally provided with a drying motor (2-21), a ventilation block (2-22) and a plurality of groups of drying plates (2-4) from bottom to top in sequence, the drying motor (2-21) is arranged on a bracket (1), the drying motor (2-21) is connected with the ventilation block (2-22) in a shaft mode, the ventilation block (2-22) is rotationally connected with a heat supply device, and a plurality of groups of discharge holes (2-41) and a plurality of groups of exhaust holes (2-42) are arranged on the drying plate (2-4);
the drying shaft (2-2) and the drying plates (2-4) are of hollow structures, the drying plates (2-4) and the drying shaft (2-2) are vertically inclined by 60 degrees, the discharging holes (2-41) and the drying plates (2-4) are vertically inclined by 30 degrees, the discharging holes (2-42) and the drying plates (2-4) are mutually perpendicular, the heating device comprises an air machine (2-31), a heater (2-32) and a ventilation shell (2-33), one end of the heater (2-32) is fixed with one end of the air machine (2-31), the other end of the heater (2-32) is fixed with the ventilation shell (2-33), the ventilation shell (2-33) is rotationally connected with the ventilation block (2-22), and one side of the cooling box (4-1) is fixed with one end of the air machine (2-31);
the upper end of the drying box (2-1) is fixed with a humidity sensor for monitoring the humidity condition in the drying box (2-1) through a screw; one side of the drying box (2-1) far away from the deodorizing and radiating mechanism (3) is connected with a feed hopper through a pipeline, and the lower end of the feed hopper is fixed with an electric control valve through a screw;
the cooling plate (3-1) is of a cooling fin structure, an S-shaped cooling pipeline (3-11) is arranged in the cooling plate (3-1), the upper end of the deodorizing box (3-2) is fixed with one end of the cooling plate (3-1), the lower end of the deodorizing box (3-2) is fixed with one side of the cooling box (4-1), and a plurality of groups of dehumidifying deodorizing plates (3-21) are arranged in the deodorizing box (3-2);
the cooling motor is characterized in that a cooling motor (4-4) is arranged at the lower end of the cooling shaft (4-2), the cooling shaft (4-2) comprises a fixed shaft housing (4-21) and a rotating shaft (4-22), the fixed shaft housing (4-21) is fixed with a plurality of groups of cooling plates (4-3), the fixed shaft housing (4-21) is sleeved on the outer side of the rotating shaft (4-22), a plurality of groups of supporting rods (4-23) are arranged between the fixed shaft housing (4-21) and the rotating shaft (4-22), a plurality of groups of vent holes (4-24) are formed in the fixed shaft housing (4-21), the upper ends of the fixed shaft housing (4-21) and the rotating shaft (4-22) penetrate through a partition plate (4-12), and the fixed shaft housing (4-21) is rotationally connected with the partition plate (4-12).
2. A dry deodorizing and cooling device for plastics according to claim 1, wherein: the utility model provides a drying cabinet, including drying cabinet, cooling cabinet, drying cabinet, stopper (5) are provided with (5) in fixed position with cooling cabinet (4-1), stopper (5) are including shutoff shell (5-1), shutoff piece (5-2), shutoff shell (5-1) set up on support (1), have set gradually a plurality of spacing post (5-3) from left to right in shutoff shell (5-1), shutoff piece (5-2) and shutoff shell (5-1) sliding connection, be provided with auxiliary column (5-4) on the terminal surface that shutoff piece (5-2) is close to spacing post (5-3), a plurality of groups be provided with reset spring (5-5) on spacing post (5-3), the other end setting of reset spring (5-5) is on auxiliary column (5-4), be provided with the inlet port on shutoff shell (5-1), shutoff piece (5-2) and drying cabinet (2-1) sliding connection, upper end that shutoff shell (5-1) and drying cabinet (2-1) are fixed through the inlet port.
3. A dry deodorizing and cooling device for plastics according to claim 1, wherein: the cooling box is characterized in that a discharging pipe (4-11) is arranged on one side of the lower end of the cooling box (4-1), a plugging device (5) is arranged above the discharging pipe (4-11) in the cooling box (4-1), a cooling shaft (4-2) and a partition board (4-12) are sequentially arranged in the cooling box (4-1) from bottom to top, a plurality of groups of cooling plates (4-3) and the cooling shaft (4-2) are inclined by 60 degrees, a plurality of groups of material through holes (4-31) are formed in the plurality of groups of cooling plates (4-3), and a plurality of groups of material through holes (4-31) and the cooling plates (4-3) are inclined by 30 degrees.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011199407.3A CN112519037B (en) | 2020-03-31 | 2020-03-31 | Drying and deodorizing cooling device for plastic |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010244688.3A CN111391169B (en) | 2020-03-31 | 2020-03-31 | Drying and deodorizing cooling device for plastics |
| CN202011199407.3A CN112519037B (en) | 2020-03-31 | 2020-03-31 | Drying and deodorizing cooling device for plastic |
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| CN202010244688.3A Active CN111391169B (en) | 2020-03-31 | 2020-03-31 | Drying and deodorizing cooling device for plastics |
| CN202011199407.3A Active CN112519037B (en) | 2020-03-31 | 2020-03-31 | Drying and deodorizing cooling device for plastic |
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| CN202010244688.3A Active CN111391169B (en) | 2020-03-31 | 2020-03-31 | Drying and deodorizing cooling device for plastics |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2487532Y (en) * | 2000-12-29 | 2002-04-24 | 吴一夫 | Air drier for forming plastics |
| CN208601763U (en) * | 2018-07-24 | 2019-03-15 | 扬中市祥龙电器有限公司 | A kind of engineering plastics processing baking material device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60178009A (en) * | 1984-02-25 | 1985-09-12 | Color Toronitsuku Kk | Method and apparatus for generation of high temperature dehumidified air for drying synthetic resin |
| CN204450934U (en) * | 2014-12-26 | 2015-07-08 | 天津市中昌盛博塑胶制品有限公司 | A kind of plastic grain drying device |
| CN206459449U (en) * | 2016-12-30 | 2017-09-01 | 河南华禹环保科技有限公司 | It is dried in vacuo separator box |
| CN206870187U (en) * | 2017-07-10 | 2018-01-12 | 象山益精高分子材料有限公司 | Plastic grain cools down odor removal |
| CN108582570A (en) * | 2018-05-22 | 2018-09-28 | 长泰惠龙新材料科技有限公司 | A kind of polyamide production equipment with functions/drying |
| CN209887941U (en) * | 2019-02-27 | 2020-01-03 | 保定市宏腾科技有限公司 | Raw material air drying device for composite material manufacturing |
-
2020
- 2020-03-31 CN CN202011199406.9A patent/CN112519036B/en active Active
- 2020-03-31 CN CN202010244688.3A patent/CN111391169B/en active Active
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2487532Y (en) * | 2000-12-29 | 2002-04-24 | 吴一夫 | Air drier for forming plastics |
| CN208601763U (en) * | 2018-07-24 | 2019-03-15 | 扬中市祥龙电器有限公司 | A kind of engineering plastics processing baking material device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112519036B (en) | 2023-05-26 |
| CN111391169A (en) | 2020-07-10 |
| CN112519037A (en) | 2021-03-19 |
| CN112519036A (en) | 2021-03-19 |
| CN111391169B (en) | 2020-12-08 |
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