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Secondary ridge type resin drying device and drying method thereof

A drying device and roof technology, applied in the direction of drying gas arrangement, heating device, drying solid materials, etc., can solve the problems of incomplete drying, high moisture content, insufficient heat recovery and utilization, etc., to achieve plunger type movement, Prolonged contact time to achieve rapid migration effects

Pending Publication Date: 2022-04-05
江苏釜鼎干燥工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] The existing drying method does not dry thoroughly, resulting in high moisture content, and the heat during drying cannot be fully recycled, and the drying process discharges waste gas and liquid, pollutes the environment, and is inconvenient to use

Method used

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  • Secondary ridge type resin drying device and drying method thereof

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Embodiment Construction

[0035] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings. It should be noted here that the descriptions of these embodiments are used to help understand the present invention, but are not intended to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below may be combined with each other as long as they do not constitute a conflict with each other.

[0036] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial", The orientation or positional relationship indicated by "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawi...

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PUM

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Abstract

The invention discloses a two-stage ridge type resin drying device, which relates to the technical field of resin and plastic drying, and comprises a first-stage circulating bag type separator connected with a first-stage ridge type dryer through a rotary feeder, the first-stage circulating bag type separator is connected with a first-stage circulating induced draft fan, and the second-stage circulating bag type separator is connected with a second-stage circulating induced draft fan. The first-stage rotary discharger is connected with the second-stage circulating bag type separator through the Venturi conveyor, and the second-stage circulating bag type separator is connected with the second-stage ridge type dryer through the rotary feeder. The invention further comprises a two-stage ridge type resin drying method. According to the invention, a material plunger flow moving principle is utilized, a plunger type moving ridge bed is adopted, and the problems of temperature control partition, retention time and nitrogen protection of granular resin drying are solved in a conduction and convection mode, so that the invention belongs to an energy-saving, safe, environment-friendly and economical technology.

Description

technical field [0001] The invention belongs to the technical field of resin drying, and in particular relates to a two-stage ridge-type resin drying device and a drying method thereof. Background technique [0002] The wet resin particles with a moisture content of 30% to be dried contain a large number of hydroxyl groups in the molecular structure of the material, which is highly hydrophilic and heat-sensitive. Therefore, the drying process needs to be carried out in sections and sections. The existing drying requirements for materials are as follows: [0003] ⑴ One-stage drying temperature ℃: 60-70 ℃, drying time 8 hours; [0004] ⑵Second stage drying temperature ℃: 70-80 ℃, drying time 8 hours; [0005] (3) Three-stage drying temperature ℃: 100-110 ℃, drying time 5 hours; [0006] ⑷ Four-stage drying temperature ℃: 120-125 ℃, drying time 10 hours; [0007] ⑸ Five-stage cooling temperature ℃: 33-50 ℃, cooling time 5 hours. [0008] The existing drying method does not ...

Claims

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Application Information

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IPC IPC(8): B29B13/06F26B3/08F26B17/00F26B21/00F26B21/08F26B21/14F26B23/10F26B25/00
CPCY02P70/10
Inventor 张麦奎张传杰王庆红夏杰
Owner 江苏釜鼎干燥工程有限公司