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Vacuum pressure impregnating full-load processing method for wood

A technology of vacuum pressure impregnation and processing method, applied in the direction of pressure impregnation, etc., can solve the problems that the effect of modification is difficult to meet the requirements, the depth of material entry and the amount of entry are limited, etc., to improve the control cost, large drug absorption, large penetration depth effect

Inactive Publication Date: 2016-11-23
潘杨基
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

In normal pressure impregnation, due to the limited penetration depth and amount of substances, the modification effect is often difficult to meet the requirements

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0027] This wood vacuum pressure impregnation full-load processing method is characterized in that it consists of the following steps:

[0028] The processing equipment includes: pressure impregnation tank; circulating water tank; liquid medicine pool; centrifugal pump; vacuum pump; booster pump; suction and discharge valve; partial pressure pump; pressure gauge; vacuum gauge; press machine;

[0029] There is a circulating water tank on the left side of the device. The circulating water tank is fixedly connected with the centrifugal pump and the vacuum pump respectively. The vacuum pump is fixedly connected with the vacuum gauge and the pressure gauge successively. , The suction and discharge valves are fixedly connected with the liquid medicine pool, and the pressure impregnation tank is fixedly connected with the press; the press machine is located at the lower right side of the device; the partial pressure pump is fixedly connected with the pressure impregnation tank and the...

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Abstract

The invention discloses a vacuum pressure impregnating full-load processing method for wood. The vacuum pressure impregnating full-load processing method for the wood has the following steps of (1) conducting a pre-vacuum period, specifically, placing the wood in a pressure impregnating tank and then vacuumizing the pressure impregnating tank through a vacuum pump; (2) adding modifying agents, specifically, under the condition that the vacuum pump is not closed, that is, under the condition that the original vacuum degree is kept, adding the modifying agent solution; (3) conducting pressurization; (4) discharging the modifying agent solution; and (5) achieving post-vacuum. According to the vacuum pressure impregnating full-load processing method for the wood, cells of the wood are filled with the modifying agent solution and the maximum quantity of modifying agents are kept in the wood. The method is strict in condition so that the maximized modifying agent chemical sucking amount and the maximized penetration depth can be achieved.

Description

technical field [0001] The invention relates to a wood processing method, in particular to a full-load processing method of wood vacuum pressure impregnation. Background technique [0002] At present, wood as a natural material has many advantages, but there are also many shortcomings, especially in wood processing, industrial plantation wood, which is one of the main raw materials, has more defects that need to be overcome. At the same time, with the improvement of people's living standards, the quality requirements for wood materials are gradually increasing. In order to make the wood more in line with the needs of the customer's life, the wood must be modified. Wood modification or wood function improvement is one of the important fields in the wood processing industry. The purpose is to further strengthen the advantages of materials and improve the shortcomings of materials to varying degrees through physical and chemical treatments, thereby enhancing Its use effect an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27K3/08B27K3/10
CPCB27K3/08B27K3/10
Inventor 潘杨基
Owner 潘杨基
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