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Cabinet type drying oven for drying formaldehyde-melamine synthetic resin

A technology of melamine and synthetic resin, applied in the direction of drying, drying machine, drying room/container, etc., can solve the problems of low processing efficiency and short time required, and achieve the effect of improving drying efficiency and drying efficiency

Inactive Publication Date: 2017-11-07
ANHUI HONGYUAN CHEM SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] The purpose of the present invention is to overcome the disadvantages of the prior art that the material in the material tray can not be heated evenly, which leads to low processing efficiency, and provides a cabinet-type oven for drying formaldehyde-me

Method used

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  • Cabinet type drying oven for drying formaldehyde-melamine synthetic resin
  • Cabinet type drying oven for drying formaldehyde-melamine synthetic resin
  • Cabinet type drying oven for drying formaldehyde-melamine synthetic resin

Examples

Experimental program
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Effect test

Embodiment 1

[0038] combine figure 1 , a kind of formaldehyde-melamine synthetic resin drying cabinet type oven of the present embodiment, comprises box body 1 and oven 2, the air inlet of box body 1 in the present embodiment and the moisture outlet can adopt conventional design, as long as can Lateral air intake, no specific restrictions. The left side of the box body 1 is provided with an air inlet duct 101, and the air inlet duct 101 is connected with an air inlet port 102, and the air inlet port 102 is arranged horizontally for allowing the drying air to enter laterally; the right side of the box body 1 is provided with an air exhaust duct 103 , the dried air enters the exhaust duct 103 , and is reused after being dehumidified, and the materials on the drying vehicle 2 are dried by circulating hot air.

[0039] The key point of this embodiment is that the drying vehicle 2 has been improved. In this embodiment, the frame 201 of the drying vehicle 2 is provided with at least 3 layers of...

Embodiment 2

[0044] A cabinet type oven for drying formaldehyde-melamine synthetic resin of this embodiment has the same basic structure as that of Embodiment 1, the difference being that the air deflector 203 in this embodiment is arc-shaped, and the 205 is symmetrical, and the lowest point of the wind deflector 203 is in contact with the partition 205 .

[0045] Since the air deflector 203 is set in an arc shape, the closer to the position of the partition 205, the smaller the space above the tray 3, and due to the existence of the partition 205, the pressure in this area is relatively high; while for the bottom of the tray 3 , the closer to the partition 205, the greater the distance between the air deflector 203 and the ground of the tray, and the greater the space of the air duct, which is more conducive to the circulation of hot air circulation.

[0046] For the drying unit on the top floor, a cover plate needs to be set above it to cooperate with the uppermost drying unit to allow a...

Embodiment 3

[0048] A cabinet type oven for drying formaldehyde-melamine synthetic resin in this embodiment has the same basic structure as that in Embodiment 2, except that the inner wall of the side wall parallel to the partition plate 205 on the tray 3 is arranged obliquely , its inclination direction is biased towards the middle of the tray 3; image 3 , when used as a tray 3a, the inclined side wall is close to the partition 205; when used as a tray 3b, the inclined side wall is away from the partition 205.

[0049] For the inclination of the inner wall of the tray 3, the side wall can be directly set to an inclined shape, such as Figure 4 , or set the side wall to be vertical, and then perform bevel processing on the inner wall to form an inclined inner wall, such as image 3 , can achieve the purpose of inclination of the inner wall.

[0050] As we all know, most of the materials are granular, and there is a certain gap between the materials in the tray, but because the materials...

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Abstract

The invention discloses a cabinet type drying oven for drying formaldehyde-melamine synthetic resin, and belongs to the field of drying ovens. The cabinet type drying oven for drying formaldehyde-melamine synthetic resin comprises an oven body and a drying cart, wherein at least three layers of drying units are arranged on a cart frame of the drying cart in parallel in the vertical direction. Each drying unit comprises a tray support, a separating plate and an air guide plate, wherein the tray support is symmetrically arranged with respect to the separating plate, the air guide plate is arranged under the tray support, and thus an air duct enabling areas of the two sides of the separating plate to communicate is formed. A tray is arranged on each tray support, and transverse incoming air enters each air duct below from the portion, located on one side of the corresponding separating plate, of the corresponding tray and penetrates out from the portion, at the other side of the separating plate, of the tray to form a circulating air channel. Through improvement of the air incoming way of the drying cart, materials in the trays can be evenly heated, each layer of materials directly makes contact with circulating fresh air, the required time is short, and drying efficiency is greatly improved.

Description

technical field [0001] The invention relates to the technical field of ovens, in particular to a cabinet-type oven for drying formaldehyde-melamine synthetic resin. Background technique [0002] Formaldehyde and melamine are the raw materials for producing varnish powder. Through the reaction of the two, a solid synthetic resin is produced, which is dried and ball-milled to produce varnish powder, also known as melamine varnish resin. Because no pulp is added, it is commonly known as "fine powder"; it is used to sprinkle some on the surface when pressing tableware to increase the surface brightness and cleanliness, making the tableware more beautiful and generous. [0003] The processing of varnish powder mainly includes four stages: [0004] Reaction section: Add melamine and formaldehyde into the reaction kettle in proportion, and carry out polycondensation reaction at 70-75°C to generate melamine-formaldehyde synthetic resin. [0005] Aging section: put the synthetic ma...

Claims

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Application Information

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IPC IPC(8): F26B9/10F26B21/00F26B25/18
Inventor 邱园园余海华张立刚孙瑞张磊
Owner ANHUI HONGYUAN CHEM SCI & TECH