Cooling and sieving device for modified plastic particles
A plastic particle modification technology, which is applied in the field of cooling and screening devices for modified plastic particles, can solve the problems of low cooling efficiency, separated cooling, and hindering heat exchange of plastic particles, so as to improve the cooling effect, increase the ambient temperature, and improve The effect of water cooling effect
Inactive Publication Date: 2021-07-02
赵丰
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Problems solved by technology
[0004] The existing cooling tank has the following problems: the temperature distribution of the cooling water in the cooling tank is uneven, the temperature of the water around the plastic particles increases after absorbing heat, which hinders the continuous heat exchange of the plastic particles, and the heat exchange efficiency between the plastic particles and the cooling water is relatively low. Low, low cooling efficiency; and in the cooling process, because the plastic particles are not separated and cooled, it is easy to cause adhesion between the plastic particles due to a large amount of accumulation
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Embodiment 1
[0041] see Figure 1-4 A cooling and sifting device for modified plastic particles, comprising a cooling ring 1 and a cooling pool 2, the bottom of the cooling ring 1 is placed in the cooling pool 2 through feet, a transmission cavity is opened inside the cooling ring 1, and the transmission cavity Outer sealing rings 4 are embedded at the front and rear ends, and the inner end of one of the outer sealing rings 4 is installed with a rotating ring 6 through a ring guide rail. The ring guide rail is embedded and installed on the inner wall of the outer sealing ring 4, and the rotating ring 6 can rely on The annular guide rail moves circularly along the axis of the cooling ring 1, and the outer end of the rotating ring 6 is annularly distributed with a plurality of arc-shaped hollow grids 7, and the top side of the cooling ring 1 is provided with a feed hopper 101 communicated with the transfer chamber. The bottom end of the cooling ring 1 is provided with a plurality of water fi...
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The invention discloses a cooling and sieving device for modified plastic particles, and belongs to the technical field of modified plastic processing and cooling. A plurality of arc-shaped hollowed-out grids are annularly distributed on a rotating ring, and in the rotating process, guided-in plastic particles are separated, borne and conveyed downwards, so that on one hand, the cooling effect is improved, on the other hand, adhesion caused by accumulation of a large number of plastic particles is effectively avoided, meanwhile, a cooling pipe and a water-cooling body play a role in cooling the flowing cooling liquid, and the circulation is conducted, so that the cooling liquid guided to one side of the top end of the cooling ring is kept in a low-temperature state, and on one hand, the water-cooling effect is improved; and on the other hand, the environment temperature of the outer side portion of the cooling ring is increased, high temperature of plastic particles conveyed into the cooling ring can be taken away more easily, in addition, in cooperation with air cooling of a heat collection air blowing ring, the plastic particles are mildly cooled through air cooling before water cooling, and collected air can be used for conducting air filling drying on the plastic particles in the draining process.
Description
technical field [0001] The invention relates to the technical field of processing and cooling of modified plastics, in particular to a cooling and screening device for modified plastic particles. Background technique [0002] Modified plastics refer to plastic products that are processed and modified on the basis of general-purpose plastics and engineering plastics through filling, blending, reinforcement, etc., and have improved properties such as flame retardancy, strength, impact resistance, and toughness. [0003] After the modified plastic filler masterbatch is extruded and granulated by the screw extruder, the temperature is high and cannot be packaged immediately. In order to make the plastic granules form quickly and avoid the bonding between the plastic granules, the plastic granules need to be cooled. After cooling and drying, it can be packaged. At present, it is generally cooled with cooling water in the cooling tank. [0004] The existing cooling tank has the ...
Claims
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IPC IPC(8): B29B13/04B29B13/06B29B13/10
CPCB29B13/045B29B13/065B29B13/10
Inventor 赵丰
Owner 赵丰