Processing method of water-proof carbonization wood board

A processing method and water-repellent technology, which is applied to wood processing equipment, wood treatment, impregnated wood, etc., can solve the problems of insufficient carbonization and high cost, and achieve the effects of improving waterproof performance, short time consumption, and strong cohesion

Active Publication Date: 2018-06-22

台州中知英健机械自动化有限公司

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AI-Extracted Technical Summary

Problems solved by technology

At present, the method of surface carbonization of wood boards is mainly to grill with an oxygen torch, so that the wood surface has a very thin layer of carbonization. The whole process requires people to carefully control the degree of carbonization to prevent excessive carbonization or insufficient carbonization.

In addition, the waterproof performance of the surface carbonized wood board also needs t...

Abstract

The invention belongs to the field of wood, and discloses a processing method of a water-proof carbonization wood board. The processing method comprises the five steps of cutting and cleaning, drying,surface treating, carbonization and shaping. The invention provides a processing method of a water-proof carbonization wood board, less time is consumed, and the carbonization is even.

Application Domain

Wood treatment detailsCoating impregnation +3

Technology Topic

Surface finishingCarbonization +3

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Examples

Experimental program(4)
Comparison scheme(2)

Example Embodiment

[0023] Example 1

[0024] A processing method of waterproof carbonized wood board includes the following steps:

[0025] (1) Preparation of treatment solution: 1) Raw materials of treatment solution: 20 parts of EVA resin, 15 parts of rosin resin, 1 part of copper sulfate, 1.5 parts of ferrous sulfate, 2.5 parts of molybdenum oxide, 5 parts of nano titanium dioxide, 10 parts of polyethylene wax , 4 parts of diacetyl tartaric acid monoglyceride, 1 part of polyoxypropylene oxide ethylene glycerol ether and 100 parts of water;

[0026] 2) Preparation method of treatment solution: Dissolve 1 part of copper sulfate, 1.5 parts of ferrous sulfate and 2.5 parts of molybdenum oxide in 100 parts of water, mix well under stirring, and then add 4 parts of diacetyl tartrate monoglyceride and polyoxypropylene 1 part of oxyethylene glyceryl ether, make an emulsion, add the other components in sequence, and mix evenly to obtain;

[0027] (2) Cutting and cleaning: Cut the wood into 0.2m long and 2cm thick wooden boards, spray saturated lime water on the surface of the wooden boards, rinse them with water, and dry them naturally;

[0028] (3) Drying: transfer the dried wood board in step (2) to an oven or a drying room, and bake at 55°C until the water content of the wood board is less than 20%;

[0029] (4) Surface treatment: spray the treatment liquid evenly on the surface of the wood board prepared in step (3) to wet the wood board, and then dry it naturally;

[0030] (5) Carbonization: Place the wood board treated in step (4) in a closed high-temperature carbonization furnace, under the protection of nitrogen, slowly heat up to 300°C at a rate of 10°C/min per minute, and the continuous carbonization time is 60min. After cooling, burn the cooled wood board under the spray of oxygen torch for 30s;

[0031] (6) Shaping: Surface grinding and polishing of the wood board prepared in step (5).

Example Embodiment

[0032] Example 2

[0033] A processing method of waterproof carbonized wood board includes the following steps:

[0034] (1) Preparation of treatment solution: 1) Raw materials of treatment solution: 25 parts of EVA resin, 20 parts of rosin resin, 1.6 parts of copper sulfate, 2.4 parts of ferrous sulfate, 4 parts of molybdenum oxide, 8 parts of nano titanium dioxide, 12 parts of polyethylene wax , 5 parts of diacetyl tartaric acid monoglyceride, 2 parts of polyoxypropylene oxide ethylene glycerol ether and 105 parts of water;

[0035] 2) The preparation method of the treatment solution: dissolve 1.6 parts of copper sulfate, 2.4 parts of ferrous sulfate and 4 parts of molybdenum oxide in 105 parts of water, mix well under stirring, and then add 5 parts of diacetyl tartrate monoglyceride and polyoxypropylene 2 parts of oxyethylene glycerol ether, make emulsion, add other components in sequence, mix evenly, and get;

[0036] (2) Cutting and cleaning: Cut the wood into 0.5m long and 4cm thick wooden boards, spray saturated lime water on the surface of the wooden boards, rinse them with water, and dry them naturally;

[0037] (3) Drying: transfer the dried wood board in step (2) into an oven or a drying room, and bake at 60°C until the water content of the wood board is less than 20%;

[0038] (4) Surface treatment: spray the treatment liquid evenly on the surface of the wood board prepared in step (3) to wet the wood board, and then dry it naturally;

[0039] (5) Carbonization: Place the wood board treated in step (4) in a closed high-temperature carbonization furnace, under the protection of nitrogen, slowly heat up to 350°C at a rate of 10°C/min per minute. The continuous carbonization time is 50 minutes. After cooling, burn the cooled wood board under the spray of an oxygen torch for 35s;

[0040] (6) Shaping: Surface grinding and polishing of the wood board prepared in step (5).

Example Embodiment

[0041] Example 3

[0042] A processing method of waterproof carbonized wood board includes the following steps:

[0043] (1) Preparation of treatment solution: 1) Raw materials of treatment solution: 30 parts of EVA resin, 25 parts of rosin resin, 1.6 parts of copper sulfate, 2.4 parts of ferrous sulfate, 4 parts of molybdenum oxide, 12 parts of nano titanium dioxide, 16 parts of polyethylene wax , 5 parts of diacetyl tartaric acid monoglyceride, 2.5 parts of polyoxypropylene oxide ethylene glyceryl ether and 112 parts of water;

[0044] 2) The preparation method of the treatment solution: Dissolve 1.6 parts of copper sulfate, 2.4 parts of ferrous sulfate and 4 parts of molybdenum oxide in 112 parts of water, mix well under stirring, and then add 5 parts of diacetyl tartrate monoglyceride and polyoxypropylene 2.5 parts of oxyethylene glyceryl ether, make an emulsion, add the other components in sequence, mix evenly, and get it;

[0045] (2) Cutting and cleaning: Cut the wood into 0.8m long and 8cm thick wooden boards, spray saturated lime water on the surface of the wooden boards, rinse them with water, and dry them naturally;

[0046] (3) Drying: transfer the wooden boards dried in step (2) into an oven or drying room, and bake them at 65°C until the moisture content of the wooden boards is less than 20%;

[0047] (4) Surface treatment: spray the treatment liquid evenly on the surface of the wood board prepared in step (3) to wet the wood board, and then dry it naturally;

[0048] (5) Carbonization: Place the wood board treated in step (4) in a closed high-temperature carbonization furnace, under the protection of nitrogen, slowly heat up to 400°C at a rate of 10°C/min per minute. The continuous carbonization time is 45 minutes. After cooling, burn the cooled wood board under the spray of oxygen torch for 40s;

[0049] (6) Shaping: The wood board prepared in step (5) is subjected to surface grinding and polishing.

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Processing method of water-proof carbonization wood board

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