CN107322723A - A kind of processing method of fire-retardant platane wood - Google Patents
A kind of processing method of fire-retardant platane wood Download PDFInfo
- Publication number
- CN107322723A CN107322723A CN201710798287.0A CN201710798287A CN107322723A CN 107322723 A CN107322723 A CN 107322723A CN 201710798287 A CN201710798287 A CN 201710798287A CN 107322723 A CN107322723 A CN 107322723A
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- China
- Prior art keywords
- fire
- retardant
- parts
- platane wood
- under conditions
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/52—Impregnating agents containing mixtures of inorganic and organic compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/003—Treating of wood not provided for in groups B27K1/00, B27K3/00 by using electromagnetic radiation or mechanical waves
- B27K5/0065—Ultrasonic treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K2240/00—Purpose of the treatment
- B27K2240/30—Fireproofing
Abstract
The invention belongs to timber treatment technology field, especially a kind of processing method of fire-retardant platane wood, specific method is as follows：（1）By platane wood steam treatment, it is immersed in aqueous solution of salicylic acid and soaks, take out, drying to moisture content is 9% ~ 11%；（2）Be immersed in fire retardant soak and be passed through ultrasonic wave carry out it is ultrasonically treated, take out, insert application of vacuum, microwave drying；It is not only able to effectively suppress the thermal decomposition under platane wood high temperature, suppresses heat transfer and suppress the oxidation reaction of gas phase and solid phase, complement each other, be complementary to one another between each composition of fire retardant, produce fire-retardant synergy, effectively improve the fire resistance of platane wood, slow down the burning velocity of its flame, correspondingly improve its fire endurance, change its combustibility, significantly improve its flame retardant effect, and can effectively suppress the generation of mould and rot fungi, strengthen its bacteriostasis rate, so as to effectively improve its safety in utilization, extend its service life, improve the utilization rate of platane wood.
Description
Technical field
The invention belongs to timber treatment technology field, especially a kind of processing method of fire-retardant platane wood.
Background technology
Roof truss, beam, post, door and window, floor and the interior decoration of building, decoration etc., are required for using a large amount of timber, closely
In the past few years, although occur in that many new materials, but because timber has its unique property and an extensive purposes, thus it still with
Steel, cement etc. occupy status of equal importance, and referred to as three big construction materials；Timber has lot of advantages, but it has one
Individual extremely serious the problem of, be exactly poor fire, inflammable, without fire protecting performance, is asked so as to cause it to there is serious safety
Topic；Platane wood is there is also the problem above present in common wood, so as to cause the reduction of its utilization rate, therefore, invention is a kind of
The processing method of fire-retardant platane wood can effectively solve the problem that problem above, improve its utilization rate and safety in utilization.
The content of the invention
In view of the above-mentioned problems, a kind of the present invention is intended to provide processing method of fire-retardant platane wood.
The present invention is achieved through the following technical solutions：
A kind of processing method of fire-retardant platane wood, specific method is as follows：
（1）Platane wood is inserted into temperature for constant temperature steam under conditions of 160 ~ 170 DEG C and handles 18 ~ 22min, with 8 ~ 9 DEG C/min's
Heating rate, which is warming up to 320 ~ 330 DEG C and continues constant temperature steams, handles 26 ~ 30min, be immersed in aqueous solution of salicylic acid immersion 35 ~
40min, takes out, and drying to moisture content is 9% ~ 11%；
（2）Will be through step（1）Platane wood after processing, which is immersed in fire retardant to soak 55 ~ 61min and be passed through ultrasonic wave, to be surpassed
Sonication, takes out, insert temperature be 53 ~ 55 DEG C, vacuum be 23 ~ 27min of application of vacuum under conditions of 760 ~ 780Pa, adjust
Temperature is 37 ~ 39 DEG C, vacuum is that 970 ~ 990Pa continues 31 ~ 35min of application of vacuum, microwave drying；
Described fire retardant, is made up of the raw material of following parts by weight：13 ~ 15 parts of phosphate, 7 ~ 8 parts of tertiary sodium phosphate, the inclined silicon of five water
Sour 5.5 ~ 6.5 parts of sodium, 3 ~ 4 parts of aluminium hydroxide, 18 ~ 20 parts of polyethylene glycol, 6 ~ 7 parts of ethoxylated dodecyl alcohol, water 120 ~ 130
Part.
It is used as the further scheme of invention：Step（1）The mass fraction of described aqueous solution of salicylic acid is 0.6% ~ 0.8%.
It is used as the further scheme of invention：Step（2）Described is ultrasonically treated, is first that 410 ~ 430W, frequency are in power
Ultrasonically treated 9 ~ 11min under conditions of 660 ~ 680kHz, then adjust power be 190 ~ 210W, the bar that frequency is 300 ~ 320kHz
Ultrasonically treated 28 ~ 30min under part, it is that 580 ~ 600W, frequency are ultrasonically treated under conditions of 880 ~ 900kHz finally to adjust power
18~20min。
It is used as the further scheme of invention：Step（2）Described microwave drying, first temperature be 32 ~ 34 DEG C, frequency be
Microwave drying to moisture content is 28% ~ 30% under conditions of 590 ~ 600MHz, then adjust temperature be 42 ~ 44 DEG C, frequency be 800 ~
810MHz microwave dryings to moisture content is 4% ~ 6%.
Beneficial effects of the present invention：A kind of processing method for fire-retardant platane wood that the present invention is provided, is not only able to effectively suppression
Between thermal decomposition, suppression heat transfer and the oxidation reaction for suppressing gas phase and solid phase under platane wood high temperature processed, each composition of fire retardant
Complement each other, be complementary to one another, produce fire-retardant synergy, effectively improve the fire resistance of platane wood, make the burning speed of its flame
Degree slows down, and correspondingly improves its fire endurance, changes its combustibility, significantly improves its flame retardant effect, and can effectively press down
Mildew making and the generation of rot fungi, strengthen its bacteriostasis rate, so as to effectively improve its safety in utilization, extend its service life, carry
The utilization rate of high platane wood.
Embodiment
Illustrate the present invention with specific embodiment below, but be not limitation of the present invention.
Embodiment 1
In the embodiment of the present invention, a kind of processing method of fire-retardant platane wood, specific method is as follows：
（1）It is constant temperature steam processing 18min, the heating rate liter with 8 DEG C/min under conditions of 160 DEG C that platane wood is inserted into temperature
Temperature continues constant temperature steam to 320 DEG C and handles 26min, is immersed in aqueous solution of salicylic acid and soaks 35min, take out, dries to aqueous
Rate is 9%；
（2）Will be through step（1）Platane wood after processing is immersed in fire retardant to soak 55min and be passed through ultrasonic wave and carried out at ultrasound
Reason, takes out, insert temperature be 53 DEG C, vacuum be application of vacuum 23min under conditions of 760Pa, adjustment temperature is 37 DEG C, vacuum
Spend and continue application of vacuum 31min, microwave drying for 970Pa；
Described fire retardant, is made up of the raw material of following parts by weight：13 parts of phosphate, 7 parts of tertiary sodium phosphate, metasilicate pentahydrate sodium
5.5 parts, 3 parts of aluminium hydroxide, 18 parts of polyethylene glycol, 6 parts of ethoxylated dodecyl alcohol, 120 parts of water.
It is used as the further scheme of invention：Step（1）The mass fraction of described aqueous solution of salicylic acid is 0.6%.
It is used as the further scheme of invention：Step（2）Described is ultrasonically treated, is first that 410W, frequency are in power
Ultrasonically treated 9min under conditions of 660kHz, it is that 190W, frequency are ultrasonically treated under conditions of 300kHz then to adjust power
28min, it is that 580W, frequency are ultrasonically treated 18min under conditions of 880kHz finally to adjust power.
It is used as the further scheme of invention：Step（2）Described microwave drying, first temperature be 32 DEG C, frequency be
Microwave drying to moisture content is 28% under conditions of 590MHz, then adjust temperature be 42 DEG C, frequency be 800MHz microwave dryings extremely
Moisture content is 4%.
Embodiment 2
In the embodiment of the present invention, a kind of processing method of fire-retardant platane wood, specific method is as follows：
（1）It is constant temperature steam processing 20min, the heating rate with 8.5 DEG C/min under conditions of 165 DEG C that platane wood is inserted into temperature
It is warming up to 325 DEG C and continues constant temperature steams processing 28min, is immersed in aqueous solution of salicylic acid and soaks 38min, take out, drying is to containing
Water rate is 10%；
（2）Will be through step（1）Platane wood after processing is immersed in fire retardant to soak 58min and be passed through ultrasonic wave and carried out at ultrasound
Reason, takes out, insert temperature be 54 DEG C, vacuum be application of vacuum 25min under conditions of 770Pa, adjustment temperature is 38 DEG C, vacuum
Spend and continue application of vacuum 33min, microwave drying for 980Pa；
Described fire retardant, is made up of the raw material of following parts by weight：14 parts of phosphate, 7.5 parts of tertiary sodium phosphate, metasilicate pentahydrate sodium
6 parts, 3.5 parts of aluminium hydroxide, 19 parts of polyethylene glycol, 6.5 parts of ethoxylated dodecyl alcohol, 125 parts of water.
It is used as the further scheme of invention：Step（1）The mass fraction of described aqueous solution of salicylic acid is 0.7%.
It is used as the further scheme of invention：Step（2）Described is ultrasonically treated, is first that 420W, frequency are in power
Ultrasonically treated 10min under conditions of 670kHz, it is that 200W, frequency are ultrasonically treated under conditions of 310kHz then to adjust power
29min, it is that 590W, frequency are ultrasonically treated 19min under conditions of 890kHz finally to adjust power.
It is used as the further scheme of invention：Step（2）Described microwave drying, first temperature be 33 DEG C, frequency be
Microwave drying to moisture content is 29% under conditions of 595MHz, then adjust temperature be 43 DEG C, frequency be 805MHz microwave dryings extremely
Moisture content is 5%.
Embodiment 3
In the embodiment of the present invention, a kind of processing method of fire-retardant platane wood, specific method is as follows：
（1）It is constant temperature steam processing 22min, the heating rate liter with 9 DEG C/min under conditions of 170 DEG C that platane wood is inserted into temperature
Temperature continues constant temperature steam to 330 DEG C and handles 30min, is immersed in aqueous solution of salicylic acid and soaks 40min, take out, dries to aqueous
Rate is 11%；
（2）Will be through step（1）Platane wood after processing is immersed in fire retardant to soak 61min and be passed through ultrasonic wave and carried out at ultrasound
Reason, takes out, insert temperature be 55 DEG C, vacuum be application of vacuum 27min under conditions of 780Pa, adjustment temperature is 39 DEG C, vacuum
Spend and continue application of vacuum 35min, microwave drying for 990Pa；
Described fire retardant, is made up of the raw material of following parts by weight：15 parts of phosphate, 8 parts of tertiary sodium phosphate, metasilicate pentahydrate sodium
6.5 parts, 4 parts of aluminium hydroxide, 20 parts of polyethylene glycol, 7 parts of ethoxylated dodecyl alcohol, 130 parts of water.
It is used as the further scheme of invention：Step（1）The mass fraction of described aqueous solution of salicylic acid is 0.8%.
It is used as the further scheme of invention：Step（2）Described is ultrasonically treated, is first that 430W, frequency are in power
Ultrasonically treated 11min under conditions of 680kHz, it is that 210W, frequency are ultrasonically treated under conditions of 320kHz then to adjust power
30min, it is that 600W, frequency are ultrasonically treated 20min under conditions of 900kHz finally to adjust power.
It is used as the further scheme of invention：Step（2）Described microwave drying, first temperature be 34 DEG C, frequency be
Microwave drying to moisture content is 30% under conditions of 600MHz, then adjust temperature be 44 DEG C, frequency be 810MHz microwave dryings extremely
Moisture content is 6%.
Comparative example
Untreated control group
Using the processing method of embodiment to being handled with a collection of character identical platane wood, national standard (GB/ is pressed after processing
T12441-2005) simulation big panel method detects the fire resistance of platane wood, detects Chinese parasol tree by national standard (GB/T8627-2007)
The smoke density of wood, testing result such as table 1：
The mechanical property comparing result of the embodiment of table 1 and comparative example
| Fire resistance period（min） | Oxygen index (OI)（%） | Smoke density（kg/m3） | |
| Embodiment 1 | 153.3 | 50.5 | 27.4 |
| Embodiment 2 | 154.5 | 50.8 | 27.7 |
| Embodiment 3 | 155.6 | 50.3 | 27.6 |
| Comparative example | 15.5 | 25.4 | 49.6 |
As it can be seen from table 1 the processing method of the present invention can effectively lift the fire resistance of platane wood, its cigarette is significantly reduced close
Degree.
Claims (4)
1. a kind of processing method of fire-retardant platane wood, it is characterised in that specific method is as follows：
（1）Platane wood is inserted into temperature for constant temperature steam under conditions of 160 ~ 170 DEG C and handles 18 ~ 22min, with 8 ~ 9 DEG C/min's
Heating rate, which is warming up to 320 ~ 330 DEG C and continues constant temperature steams, handles 26 ~ 30min, be immersed in aqueous solution of salicylic acid immersion 35 ~
40min, takes out, and drying to moisture content is 9% ~ 11%；
（2）Will be through step（1）Platane wood after processing, which is immersed in fire retardant to soak 55 ~ 61min and be passed through ultrasonic wave, to be surpassed
Sonication, takes out, insert temperature be 53 ~ 55 DEG C, vacuum be 23 ~ 27min of application of vacuum under conditions of 760 ~ 780Pa, adjust
Temperature is 37 ~ 39 DEG C, vacuum is that 970 ~ 990Pa continues 31 ~ 35min of application of vacuum, microwave drying；
Described fire retardant, is made up of the raw material of following parts by weight：13 ~ 15 parts of phosphate, 7 ~ 8 parts of tertiary sodium phosphate, the inclined silicon of five water
Sour 5.5 ~ 6.5 parts of sodium, 3 ~ 4 parts of aluminium hydroxide, 18 ~ 20 parts of polyethylene glycol, 6 ~ 7 parts of ethoxylated dodecyl alcohol, water 120 ~ 130
Part.
2. the processing method of fire-retardant platane wood according to claim 1, it is characterised in that step（1）Described salicylic acid
The mass fraction of the aqueous solution is 0.6% ~ 0.8%.
3. the processing method of fire-retardant platane wood according to claim 1, it is characterised in that step（2）At described ultrasound
Reason, be first that 410 ~ 430W, frequency are ultrasonically treated 9 ~ 11min under conditions of 660 ~ 680kHz in power, then adjustment power is
190 ~ 210W, frequency are ultrasonically treated 28 ~ 30min under conditions of 300 ~ 320kHz, and it is 580 ~ 600W, frequency finally to adjust power
For ultrasonically treated 18 ~ 20min under conditions of 880 ~ 900kHz.
4. the processing method of fire-retardant platane wood according to claim 1, it is characterised in that step（2）Described microwave is done
It is dry, first temperature be 32 ~ 34 DEG C, frequency be that microwave drying to moisture content is 28% ~ 30% under conditions of 590 ~ 600MHz, then adjust
Whole temperature is 42 ~ 44 DEG C, frequency is that 800 ~ 810MHz microwave dryings to moisture content is 4% ~ 6%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710798287.0A CN107322723A (en) | 2017-09-07 | 2017-09-07 | A kind of processing method of fire-retardant platane wood |
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| CN201710798287.0A CN107322723A (en) | 2017-09-07 | 2017-09-07 | A kind of processing method of fire-retardant platane wood |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108214799A (en) * | 2017-12-18 | 2018-06-29 | 雷笑天 | A kind of preparation method of insect prevention flame-retardant solid wood flooring slab |
| CN108748557A (en) * | 2018-05-17 | 2018-11-06 | 阜南县海源工艺品有限公司 | A kind of toughening flame-proof processing method of hook leaf rattan |
| CN111364282A (en) * | 2020-03-26 | 2020-07-03 | 江苏大学 | Halogen-free inorganic flame-retardant material and preparation method and application thereof |
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| CN102501286A (en) * | 2011-12-02 | 2012-06-20 | 朱江福 | Method for producing bamboo flooring |
| CN103009449A (en) * | 2011-09-25 | 2013-04-03 | 贵州金鸟木业有限责任公司 | Flame-proof type compressed solid wood and production method thereof |
| JP2013244651A (en) * | 2012-05-25 | 2013-12-09 | Kyoto Prefectural Public Univ Corp | Flame retardant for biomass |
| CN105500472A (en) * | 2015-11-24 | 2016-04-20 | 兰州科天环保节能科技有限公司 | Water-based flame-retardant plywood and production method thereof |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101961879A (en) * | 2009-07-24 | 2011-02-02 | 北京建筑材料科学研究总院有限公司 | Method for preparing fiberboard composite flame retardant |
| CN103009449A (en) * | 2011-09-25 | 2013-04-03 | 贵州金鸟木业有限责任公司 | Flame-proof type compressed solid wood and production method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108214799A (en) * | 2017-12-18 | 2018-06-29 | 雷笑天 | A kind of preparation method of insect prevention flame-retardant solid wood flooring slab |
| CN108748557A (en) * | 2018-05-17 | 2018-11-06 | 阜南县海源工艺品有限公司 | A kind of toughening flame-proof processing method of hook leaf rattan |
| CN111364282A (en) * | 2020-03-26 | 2020-07-03 | 江苏大学 | Halogen-free inorganic flame-retardant material and preparation method and application thereof |
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Application publication date: 20171107 |