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A continuous type press

A press and pressure technology, applied in the field of biomass material manufacturing, can solve the problems of bubbling of plywood, delamination, unfavorable development and promotion of plywood, difficulty in discharging water vapor from slabs, etc., and achieves safe, efficient and shortened production process. Fast and flexible effect of time and thickness control of steam exhaust process

Pending Publication Date: 2017-05-03
CHINA FOMA GROUP
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Problems solved by technology

[0003] Due to the special performance of plywood, there are few pores between the slabs, the air volume is small, and the rebound force of the slab is smaller than that of fiberboard and particleboard, but at the same time, it is difficult to discharge the water vapor inside the slab.
The existing continuous presses for the production of fiberboard and particleboard basically use a roller chain and double steel belt structure, which is suitable for the process conditions of high pressure, high temperature and uniformity, but cannot solve the problem that plywood cannot be smoothly removed due to water vapor. Bubbles, delamination and other defects appear, and the cost of traditional roller chain double steel belt continuous press equipment is high, and the investment is large. The length of the press used for plywood production is longer than that used for fiberboard and particleboard. length, which is not conducive to the development and promotion of plywood continuous technology

Method used

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  • A continuous type press
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Embodiment Construction

[0065] In order to more clearly describe the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings that are used in the embodiments. Apparently, the drawings in the following description are only some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to these drawings without creative efforts.

[0066] When describing the embodiments of the present invention, the terms "vertical", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", " The orientation or positional relationship expressed by "horizontal", "top", "bottom", "inner" and "outer" is based on the orientation or positional relationship shown in the relevant drawings, which are only for the convenience of describing the present invention and simplifying the description, and It is not to indicate or imply that the device or element referred to must have a particu...

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Abstract

The invention provides a continuous type press comprising a pre-heating and pressurizing unit, a heating and pressurizing unit, a cooling and pressurizing unit and a steel belt conveying unit used for connecting the heating and pressurizing unit and the cooling and pressurizing unit in series. The pre-heating and pressurizing unit comprises a first roller group mechanism used for providing pressure and a heating device used for providing non-contact heating, as well as a conveying device which is arranged between the first roller group mechanism, cooperates with the first roller group mechanism and is used for conveying mechanisms. The cooling and pressurizing unit comprises a second roller group mechanism used for providing pressure and a thermal isolation device used for maintaining the internal temperature of the cooling and pressurizing unit. The continuous type press has the advantages of low energy consumption, low cost, long service life, short production cycle, high plywood production efficiency and high forming quality.

Description

technical field [0001] The invention relates to the technical field of biomass material production, in particular to a continuous press for preparing wood plywood. Background technique [0002] At present, a large number of plywood enterprises in China have gradually revealed various problems such as small scale, simple machinery and equipment, backward technology, monotonous product types, and uneven quality. With the rise of raw material prices and rising labor costs, the profits of plywood companies have been continuously compressed. The continuous production technology of plywood will be promoted and applied. [0003] Due to the special properties of plywood, there are few pores between the slabs, and the amount of air contained is very small. The rebound force of the slab is smaller than that of fiberboard and particleboard, but at the same time, it is difficult to discharge the water vapor inside the slab. The existing continuous presses for the production of fiberbo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27D3/00
CPCB27D3/00
Inventor 盛振湘岳群飞瞿国富任丁王学平焦海良
Owner CHINA FOMA GROUP
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