CN105459236B - A kind of fireproof wood or integrated timber and its manufacture method - Google Patents

A kind of fireproof wood or integrated timber and its manufacture method Download PDF

Info

Publication number
CN105459236B
CN105459236B CN201410466560.6A CN201410466560A CN105459236B CN 105459236 B CN105459236 B CN 105459236B CN 201410466560 A CN201410466560 A CN 201410466560A CN 105459236 B CN105459236 B CN 105459236B
Authority
CN
China
Prior art keywords
timber
fire retardant
raw
fire
integrated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201410466560.6A
Other languages
Chinese (zh)
Other versions
CN105459236A (en
Inventor
罗文圣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BEIJING SHENGDA HUAYUAN TECHNOLOGY Co Ltd
Original Assignee
BEIJING SHENGDA HUAYUAN TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BEIJING SHENGDA HUAYUAN TECHNOLOGY Co Ltd filed Critical BEIJING SHENGDA HUAYUAN TECHNOLOGY Co Ltd
Priority to CN201410466560.6A priority Critical patent/CN105459236B/en
Publication of CN105459236A publication Critical patent/CN105459236A/en
Application granted granted Critical
Publication of CN105459236B publication Critical patent/CN105459236B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention discloses a kind of fireproof wood or integrated timber, the fireproof wood or integrated timber include timber or integrated timber, and fire retardant ZR AP;Wherein timber or Ji Cheng Cai ︰ fire retardant ZR AP absolute dry mass ratio are 100 ︰ 5~80;There is carbonization speed to meet less than 0.5mm/min, physical and mechanical property for the fireproof wood or integrated timber, and structural lumber is provided, combustibility and flue gas toxity meet 2012A grades of construction materials regulations of GB8624;The invention also discloses the manufacture method of the fireproof wood or integrated timber, comprise the following steps:Fire retardant ZR AP are prepared, using fire retardant ZR AP fire retardant aqueous solution impregnated timber or integrated timber, and it is heated makes the further polycondensations of fire retardant ZR AP and is reacted with timber principal component, to reach flame retardant effect.

Description

A kind of fireproof wood or integrated timber and its manufacture method
Technical field
The present invention relates to a kind of timber or integrated timber, relate more specifically to a kind of after fire retardant ZR-AP dippings, heat treatment Fireproof wood or integrated timber and its manufacture method.
Background technology
Timber is one of fuel for the survival of mankind and raw material.The m of China's timber yield 80,890,000 in 20103, import Log and the m of sawn timber 44,550,0003, the m of wood-based plate yield 1.536 hundred million3, it is mainly used in building structure and decorations, Furniture manufacturing, wood The fields such as floor production, vehicle and ship finishing.Timber is also important fuel since ancient times, with higher combustion heat value, Relatively low catching fire temperature and faster flame propagation velocity, belongs to combustible material.
Fire is to threaten one of major casualty of human life and property safety.For fire preventing, reduce building decoration dress The disaster hidden-trouble that material strips are come is repaiied, country revises《Fire service law》, issued and implemented mandatory national standards GB50222《Building Inside fitting designs fire safety rules》、GB50045《Code for fire protection design of high rise buildings》、GB50016《Fire protection design of building Specification》、GB12955《Fire resistant doorsets》、GB20286《Public place fire-retardant product and the requirement of component combustibility and mark》And its it is right The standards such as the detection method answered.The implementation of relevant laws and regulations, codes and standards, product is served to fire preventing, reduction fire damage Pole is acted on.According to《Fire service law》With《Code for fire prevention design of interior decoration of buildings》Etc. the regulation of regulation, building structure must be used The inside fitting active adoption fire line material and flame retardant material of fire prevention and nonflammable material, civil buildings and industrial premises, to the greatest extent Amount avoids using the material for producing a large amount of dense smokes or toxic gas in burning.
As important building structure and ornament materials, timber and its relatively low catching fire temperature of product, higher hair Heat and faster flame propagation velocity have very big fire hazard.《Code for fire protection design of buildings》、《Building interior is filled Repair design fire safety rules》、《Code for design of timber structures》、《Norm of residential housing》、《Code for construction and acceptance of timber structure engineering》、 《Building interior finishing fire prevention construction and acceptance specification》With《Fire resistant doorsets》The timber for building structure and decoration is provided etc. specification And its product must carry out the requirement that flame retardant treatment reaches A grades of fire proofing materials or B1 grades of flame retardancys, burning carbonization speed is less than 0.8mm/min。
CN1651202 discloses a kind of Wood material wood product fire retardant and its processing method, using ammonium class phosphate 55~ 65%th, boron compound 5~15%, Quadrafos 5~15%, phosphate 15~25%, ammonium class phosphate and boron class chemical combination Thing heating response, Quadrafos and phosphate heating response, impregnation process timber after mixing, combustibility reach B1 grades. CN1075673 discloses a kind of wood fire retardant and preparation method of flame-retarded wood materials, by APP, diammonium hydrogen phosphate, tri-chlorination Phosphorus, three toraks, colloidal antimony, tetrabromobisphenol A and sodium metasilicate mix add it is water-soluble be combined together, rear heating plus Become fire retardant after pressure processing, then timber is put into dipping, be impregnated with heat drying as fire retarding wood after taking-up, oxygen index (OI) reaches More than 50.CN1899780 discloses a kind of wood fire retardant, and formula is to be made up of big metal ion with hydrogen ion plus complexing agent, Big metal ion is 6~8: 1~3 with hydrogen ion, and the oxygen of fire retarding wood made from the wood fire retardant refers to up to 80. CN1126234 discloses a kind of wood fire retardant and preparation method thereof, and the fire retardant contains to be closed by urea, phosphoric acid, borax, formaldehyde Into ammonium polyphosphate modifying and aluminium salt etc., fire retardant is added in wood shavings to the fire-resistant-chipboard that nonflammable material can be made, obtains Limited oxygen index is up to more than 33.
The fire retarding wood produced using existing fire retardant, combustibility meets GB8624-2012B1 grades of regulations, is incombustibe material Material, it is impossible to applied to the occasion that building element and material combustion performance requirement are A grades.
The content of the invention
The invention solves the problems that first technical problem be to provide a kind of fireproof wood or integrated timber:The timber or integrated timber It is less than 0.5mm/min, physical and mechanical property with carbonization speed and meets structural lumber regulation, combustibility and flue gas toxity symbol Close the features such as GB8624-2012A grades of construction materials are provided.
The invention solves the problems that second technical problem be to provide the manufacture method of fireproof wood or integrated timber a kind of.
To solve above-mentioned first technical problem, a kind of fireproof wood or integrated timber of the invention, including:
Timber or integrated timber,
With fire retardant ZR-AP;
The absolute dry mass ratio of timber or Ji Cheng Cai ︰ the fire retardants ZR-AP is 100 ︰ 5~80.
Further, it is preferable to ground, the absolute dry mass ratio of timber or Ji Cheng Cai ︰ the fire retardants ZR-AP is 100 ︰ 15~40. When the absolute dry mass of fire retardant ZR-AP in every 100 parts of ovendriedwoods or integrated timber is less than 15 parts, due to fire retardant ZR-AP's Addition is not enough, and the combustibility of fireproof wood or integrated timber is only capable of reaching (B1 grades) material of flame retardancy as defined in GB8624 or can (D grades) regulations of combustible material;When the absolute dry mass of fire retardant ZR-AP in every 100 parts of ovendriedwoods or integrated timber is more than 15 parts, with Fire retardant ZR-AP addition increase, the fire resistance increase of fireproof wood or integrated timber is fully met not when reaching 40 parts (A grades) regulations of combustible material;When the absolute dry mass of fire retardant ZR-AP in every 100 parts of ovendriedwoods or integrated timber is more than 80 parts, production Intensity and the processing characteristics reduction of product.
Further, the fire retardant ZR-AP is made up of the first raw material, the second raw material and the 3rd raw material;Described first Raw material is phosphoric acid;Second raw material is selected from aluminium hydroxide or/and aluminum oxide;3rd raw material is selected from sodium hydroxide, hydrogen-oxygen Change the one or more in potassium, sodium metasilicate, potassium silicate and sodium phosphate;Preparation method is:By the first raw material and the second raw material 85 5~300min is reacted at~200 DEG C, less than 90 DEG C are cooled to;The 3rd raw material is added, 5~120min is reacted at 25~90 DEG C, Fire retardant ZR-AP is made.The mass ratio of the described first former former material raw materials of ︰ the 3rd of material ︰ the 2nd is the ︰ 0.5~150 of 100 ︰ 5~260.
The method that this fire retardant ZR-AP is configured to the aqueous solution makes water insoluble aluminium hydroxide and aluminum oxide be changed into dissolving in The salt of water.
Preferably, the fire retardant ZR-AP is made up of the first raw material, the second raw material and the 3rd raw material;Described first is former Expect for phosphoric acid;Second raw material is selected from aluminium hydroxide or/and aluminum oxide;3rd raw material is selected from sodium hydroxide, hydroxide One or more in potassium, sodium metasilicate, potassium silicate and sodium phosphate;Preparation method is:By the first raw material and the second raw material 95~ 10~60min is reacted at 135 DEG C, less than 60 DEG C are cooled to;The 3rd raw material is added, 20~60min, system are reacted at 30~60 DEG C Obtain fire retardant ZR-AP;The mass ratio of the described first former former material raw materials of ︰ the 3rd of material ︰ the 2nd is the ︰ 2~50 of 100 ︰ 15~70.Wherein, For every 100 part of first raw material, the quality of the second raw material is 15~70, when the quality of the 3rd raw material is 2~50, synthesizes fire retardant ZR-AP condition is easily controlled, and the fireproof wood or the fire resistance of integrated timber and physicochemical property produced using the fire retardant is most It is good.
To solve above-mentioned second technical problem, the manufacture method of fireproof wood or integrated timber of the present invention, including following step Suddenly:
1) fire retardant ZR-AP is configured to the 5.0wt%~80.0wt% fire retardant aqueous solution.The concentration of fire retardant depends on In the permeability for liquids of timber, moisture content and immersion condition.For the readily permeable timber of the liquid such as poplar, birch, adopt With the relatively low fire retardant of concentration.With the raising of moisture content, correspondence improves the concentration of fire retardant.Using normal pressure impregnation process The concentration of Shi Tigao fire retardants, relatively low flame retardant concentration can be used when being handled using negative pressure or impregnating by pressure;
2) timber or integrated timber are put into dipping tank or pressure pan, implantation step 1) the obtained fire retardant aqueous solution, Impregnation process under normal pressure or pressurized state, dip time is determined with the over dry fire retardant ZR-AP absorbed in timber or integrated timber;
3) by step 2) timber after impregnation process or integrated timber heat 0.2h~500h at 80~230 DEG C.
Fire retardant ZR-AP is configured to the aqueous solution, timber or integrated timber are put into dipping tank or pressure pan, is injected fire-retardant The agent aqueous solution, carries out impregnation process under normal pressure or pressurized state, fire retardant ZR-AP is entered the lumen and cell of timber In wall;Wooden veneer after being handled using the fire retardant ZR-AP aqueous solution is heated, enters water-soluble phosphate One-step polymerization, it is changed into water insoluble phosphate, is fixed in wood cell wall and lumen.
Further, the step 1) in fire retardant ZR-AP be made up of the first raw material, the second raw material and the 3rd raw material; First raw material is phosphoric acid;Second raw material is selected from aluminium hydroxide or/and aluminum oxide;3rd raw material is selected from hydroxide One or more in sodium, potassium hydroxide, sodium metasilicate, potassium silicate and sodium phosphate;Preparation method is:First raw material and second is former Material reacts 5~300min at 85~200 DEG C, is cooled to less than 90 DEG C;Add the 3rd raw material, at 25~90 DEG C react 5~ 120min, is made fire retardant ZR-AP;The mass ratio of the described first former former material raw materials of ︰ the 3rd of material ︰ the 2nd is the ︰ 0.5 of 100 ︰ 5~260 ~150.
Preferably, the step 1) in fire retardant ZR-AP be made up of the first raw material, the second raw material and the 3rd raw material;Institute The first raw material is stated for phosphoric acid;Second raw material is selected from aluminium hydroxide or/and aluminum oxide;3rd raw material is selected from hydroxide One or more in sodium, potassium hydroxide, sodium metasilicate, potassium silicate and sodium phosphate;Preparation method is:First raw material and second is former Material reacts 10~60min at 95~135 DEG C, is cooled to less than 60 DEG C;Add the 3rd raw material, at 30~60 DEG C react 20~ 60min, is made fire retardant ZR-AP;The mass ratio of the first former former material raw materials of ︰ the 3rd of material ︰ the 2nd for the ︰ 2 of 100 ︰ 15~70~ 50。
Further, the step 1) in fire retardant ZR-AP is configured to 15.0wt%~40.0wt% fire retardant water Solution.When the concentration of the fire retardant ZR-AP aqueous solution is less than 15.0wt%, in order to reach needed for every 100 parts of ovendriedwoods Fire retardant addition, it is necessary to significantly extend the impregnation process time, or even impregnation process-drying cycles technique is used, reduce Production efficiency;When the concentration of the fire retardant ZR-AP aqueous solution is more than 40.0wt%, in order to maintain the stabilization of the fire retardant aqueous solution Property, the temperature of the fire retardant aqueous solution should be properly increased, when reaching fire retardant addition specified in every 100 parts of ovendriedwoods, The impregnation process time is shortened, fire retardant skewness can be made.
Further, the step 2) in timber pass through drying, moisture content is less than 25.0wt%, it is therefore preferable to 8.0wt%~25.0wt%.Wherein, absolute dry mass × 100% of quality/timber of moisture content=timber reclaimed water.When timber contains When water rate is less than 8.0wt%, desiccated wood needs to consume more heat energy, and causes the reduction of strength of wood;When timber When moisture content is 8.0wt%~25.0wt%, there is no Free water presence in wood cell wall, retardant solution is readily permeable to wood In material, flame retardant treatment is convenient for;When the moisture content of timber is more than 25.0wt%, the Free water in wood cell chamber can influence The uptake of fire retardant, in order to ensure that enough fire retardants are absorbed in timber, it is necessary to take raising flame retardant concentration, using adding Press the measure of dipping.
Further, the step 2) in timber or Ji Cheng Cai ︰ fire retardants ZR-AP absolute dry mass ratio be 100 ︰ 5~80, Preferably 100 ︰ 15~40.When the absolute dry mass of fire retardant ZR-AP in every 100 parts of ovendriedwoods is less than 15 parts, due to resistance The addition for firing agent ZR-AP is not enough, and the combustibility of fireproof wood or integrated timber is only capable of reaching flame retardancy (B1 as defined in GB8624 Level) (D grades) regulations of material or combustible material;When the absolute dry mass of fire retardant ZR-AP in every 100 parts of ovendriedwoods is more than 15 parts When, with fire retardant ZR-AP addition increase, the fire resistance increase of fireproof wood or integrated timber reaches complete at 40 parts Meet (A grades) regulations of incombustible material;When the absolute dry mass of fire retardant ZR-AP in every 100 parts of ovendriedwoods is more than 80 parts, product Intensity and processing characteristics reduction.
Further, the step 2) under normal pressure or pressurized state impregnation process, dip time be 0.5h~300h; Preferably 1.0h~150h.Dip time be less than 0.5 hour, the skewness of fire retardant in wood, top layer it is fire-retardant Agent content is high, and the flame retardant agent content of core is low;The impregnation process time is more than 300 hours, production efficiency reduction, and can be to timber Intensity adversely affect.
Further, the step 3) in by step 2) timber after impregnation process or integrated timber at 110~150 DEG C plus 1.0h~120.0h is heat-treated, fire retardant ZR-AP is further polymerize, the macromolecular for being changed into water insoluble is fixed on wood cell In chamber and cell membrane.
The present invention has the advantages that:
1st, fire retardant ZR-AP is made into the aqueous solution by manufacture method of the present invention, and timber or integrated timber are put into dipping tank or height Press in tank, inject the fire retardant aqueous solution, impregnation process is carried out under normal pressure or pressurized state, fire retardant ZR-AP is entered wood In the lumen and cell membrane of material;Wooden veneer after being handled using the fire retardant ZR-AP aqueous solution is heated, making can The phosphate for being dissolved in water further polymerize, is changed into water insoluble phosphate, is fixed in wood cell wall and lumen;Simultaneously Fire retardant ZR-AP is chemically reacted with timber principal component, and the group number of a large amount of heat energy can be discharged when being burnt in timber by reducing Amount.
2nd, the fireproof wood or integrated timber that the present invention is provided, carbonization speed is less than 0.5mm/min, physical and mechanical property and met Structural lumber regulation, combustibility and flue gas toxity meet GB8624-2012A grades of construction material regulations.
3rd, the fireproof wood or integrated timber that the present invention is provided can be widely applied to building interior decoration, fire-retardant Furniture manufacturing, build In terms of building structure, the production of fire-proof wooden door, antiflaming floor production, ship and vehicle interior decoration, with good economy effect Benefit and social benefit.
Embodiment
In order to illustrate more clearly of the present invention, with reference to preferred embodiment, the present invention is described further.Ability Field technique personnel should be appreciated that following specifically described content is illustrative and be not restrictive, and this should not be limited with this The protection domain of invention.
Embodiment 1
A kind of manufacture method of fireproof wood, comprises the following steps:
1) 800 parts of the phosphoric acid that content is 85% is added in a kettle., is heated to 140 DEG C~145 DEG C;Add while stirring Enter 102 parts of alumina powder, keep reaction 10min;Reaction solution is cooled to 95 DEG C, 4284 parts of water is added;Add while stirring Enter 68 parts of the sodium hydroxide solution that content is 50%, continue stirring reaction 10min;Obtain the fire retardant ZR-AP aqueous solution 5070 Part;
The mass ratio of Lin Suan ︰ Yangization Lv ︰ sodium hydroxides is the ︰ 5 of 100 ︰ 15;
Fire retardant ZR-AP content is 15.0wt% in the fire retardant ZR-AP aqueous solution;
2) it is that 30mm, width are that 200mm, length are the Southern Pine timber heap that 4000mm, moisture content are 15.0% by thickness It is placed on load wagon and fixes;It will be equipped with the stroller push-in pressure pan of timber, close tank door, be evacuated to -0.08MPa simultaneously Keep 30min;Retardant solution is imported in pressure pan by vacuum, 1.2MPa is forced into and keeps 4h;Release discharge is fire-retardant Agent, is evacuated to -0.08MPa and keeps 15min again;Release, opening is closed the door, and takes out timber;
The lumber quality of 1 piece of 4000mm × 200mm × 30mm for measuring fire retardant uptake is at 10.8kg, dipping Quality after reason is 22.7kg;Timber:Fire retardant ZR-AP absolute dry mass ratio is 100 ︰ 17.0;
3) the timber natural air drying after being handled using fire retardant ZR-AP 7 days;Stacking, is put into Wood carbonization kiln, heating To 75 DEG C~80 DEG C holding 72h;It is warming up to 95 DEG C~98 DEG C holding 24h;Further heat up to 110 DEG C~115 DEG C, keep 24h Obtain fireproof wood;
4) temperature for the kiln that is carbonized is reduced to less than 50 DEG C, opens wicket, take out fireproof wood.
5) performance test results:
(1) combustibility:According to ISO 5660-1 ︰ 2002《Reaction to fire experiment, heat release, smoke-producing amount and mass loss Speed Part I:HRR (cone calorimetry)》Detected.
According to the grade scale of Japan, the classification system for fire performance of material is as follows:
(2) carbonization speed:Standard requirement≤0.80mm/min;Measured result 0.27mm/min.
Embodiment 2
A kind of manufacture method of fireproof wood, comprises the following steps:
1) hydrogen-oxygen is added while adding content in a kettle. for 85% 332.5 parts of phosphoric acid, 167.5 parts of water, stirring Change 150 parts of aluminium powder;Continue stir 15min~20min, with 2.0 DEG C/min programming rate make reaction solution be warming up to 120 DEG C~ 125 DEG C, keep 30min;Reaction solution is cooled to 95 DEG C, 600 parts of water is added;The silicic acid that content is 30% is added while stirring 72 parts of sodium solution, continues stirring reaction 20min;Obtain fire retardant ZR-AP 1000 parts of the aqueous solution;
The mass ratio of Lin Suan ︰ Qing Yangization Lv ︰ sodium metasilicate is the ︰ 7.6 of 100.0 ︰ 53.0;
Fire retardant ZR-AP content is 35.0wt% in the fire retardant ZR-AP aqueous solution;
2) it is that 50mm, width are that 180mm, length are the 12.0% carbonization pinus sylvestris var. mongolica wood that 4000mm, moisture content are by thickness Material is deposited on load wagon and fixed;It will be equipped with the stroller push-in pressure pan of timber, close tank door, be evacuated to- 0.08MPa simultaneously keeps 30min;Retardant solution is imported in pressure pan by vacuum, 1.2MPa is forced into and keeps 24h;Unload Pressure goes out fire retardant, and -0.08MPa is evacuated to again and 20min is kept;Release, opening is closed the door, and takes out timber;
The lumber quality of 1 piece of 4000mm × 180mm × 50mm for measuring fire retardant uptake is at 16.7kg, dipping Quality after reason is 46.8kg;Mu Cai ︰ fire retardants ZR-AP absolute dry mass ratio is 100 ︰ 63.0;
3) the timber natural air drying after being handled using fire retardant ZR-AP 15 days;Stacking, is put into Wood carbonization kiln, rises Warm to 75 DEG C~80 DEG C holding 120h;It is warming up to 95 DEG C~98 DEG C holding 48h;Further heat up to 110 DEG C~115 DEG C, keep 48h obtains fireproof wood;
4) temperature for the kiln that is carbonized is reduced to less than 50 DEG C, opens wicket, take out fireproof wood.
5) performance test results:
(1) combustibility:Gross calorific power 0.3MJ/m2;Do not extend through to the crackle at back, hole;HRR peak value 7.2kW/m2, conclusion is incombustible material.
(2) carbonization speed:Standard requirement≤0.80mm/min;Measured result 0.21mm/min.
Embodiment 3
A kind of manufacture method for integrated timber of preventing fires, comprises the following steps:
1) content is added in a kettle. add aluminium hydrate powder simultaneously for 85% 514 parts of phosphoric acid, 186 parts of water, stirring Last 70 parts, 30 parts of alumina powder;Continue to stir 15min~20min, reaction solution is heated up with 2.0 DEG C/min programming rate To 120 DEG C~125 DEG C, 65min is kept;Reaction solution is cooled to less than 90 DEG C, 1500 parts of water is added;Add and contain while stirring 30 parts of the potassium hydroxide solution for 40% is measured, continues stirring reaction 20min;Obtain fire retardant ZR-AP 2000 parts of the aqueous solution;
(mass ratio of aluminium hydroxide+aluminum oxide) ︰ potassium hydroxide is the ︰ 2.7 of 100.0 ︰ 22.9 to Lin Suan ︰;
Fire retardant ZR-AP content is 24.0wt% in the fire retardant ZR-AP aqueous solution;
2) it is that 18mm, width are that 1220mm, length are the cunninghamia lanceolata integrated material heap that 2440mm, moisture content are 10.0% by thickness It is placed on load wagon and fixes;It will be equipped with the stroller push-in pressure pan of integrated timber, close tank door, be evacuated to -0.08MPa And keep 30min;Retardant solution is imported in pressure pan by vacuum, 1.0MPa is forced into and keeps 5h;Release discharge resistance Agent is fired, -0.08MPa is evacuated to again and 20min is kept;Release, opening is closed the door, and takes out integrated timber;
The quality of 1 piece of 2440mm × 1220mm × 18mm integrated timbers for measuring fire retardant uptake is 25.5kg, leaching Quality after stain processing is 53.1kg;Ji Cheng Cai ︰ fire retardants ZR-AP absolute dry mass ratio is 100 ︰ 26.0;
3) the integrated timber natural air drying after being handled using fire retardant ZR-AP 5 days;Stacking, is put into Wood carbonization kiln, rises Warm to 75 DEG C~80 DEG C holding 48h;It is warming up to 95 DEG C~98 DEG C holding 12h;Further heat up to 110 DEG C~115 DEG C, keep 6h Obtain integrated timber of preventing fires;
4) temperature for the kiln that is carbonized is reduced to less than 50 DEG C, opens wicket, take out fire prevention integrated timber.
5) performance test results:
(1) combustibility:Gross calorific power 1.9MJ/m2;Do not extend through to the crackle at back, hole;HRR peak value 18.0kW/m2, conclusion is incombustible material.
(2) carbonization speed:Standard requirement≤0.80mm/min;Measured result 0.27mm/min.
Comparative example 1
Using the fire-retardant FRW technique of embodiment 1, fire retardant ZR-AP content is in the fire retardant ZR-AP aqueous solution 12.0wt%;
Southern Pine timber after impregnation process:Fire retardant ZR-AP absolute dry mass ratio is 100 ︰ 10.0;
Fireproof wood heat drying technique after impregnation process is same as Example 1.
Performance test results:
(1) combustibility:Gross calorific power 12.7MJ/m2;Do not extend through to the crackle at back, hole;HRR peak Value 137.0kW/m2, conclusion is fire retardant (B1) level material.
(2) carbonization speed:Standard requirement≤0.80mm/min;Measured result 0.63mm/min.
Comparative example 2
Using FRW fire retardants (75wt% guanylurea phosphate, 25wt% boric acid), fire retardant in the fire retardant aqueous solution FRW content is 15.0wt%;
Southern Pine timber after impregnation process:The absolute dry mass ratio of flame-retardant direction is 100 ︰ 16.0;
It is 15wt% that fire retarding wood after impregnation process is dried to moisture content under field conditions (factors).
Performance test results:
(1) combustibility:Gross calorific power 9.6MJ/m2;Do not extend through to the crackle at back, hole;HRR peak value 117.0kW/m2, conclusion is fire retardant (B1) level material.
(2) carbonization speed:Standard requirement≤0.80mm/min;Measured result 0.57mm/min.
Comparative example 3
A kind of manufacture method of fireproof wood, comprises the following steps:
1) 50 parts of aluminium-hydroxide powder is added while adding 500 parts of the phosphoric acid, stirring that content is 85% in a kettle.; Continue to stir 15min~20min, reaction solution is warming up to 120 DEG C~125 DEG C, holding with 2.0 DEG C/min programming rate 30min;Reaction solution is cooled to 95 DEG C;300 parts of the sodium hydroxide solution that content is 40% is added while stirring, continues to stir React 20min;Obtain fire retardant ZR-AP 850 parts of the aqueous solution;
The mass ratio of Lin Suan ︰ Qing Yangization Lv ︰ sodium hydroxides is the ︰ 24.0 of 100.0 ︰ 10.0;
Fire retardant ZR-AP content is 68.0wt% in the fire retardant ZR-AP aqueous solution;
2) it is that 50mm, width are that 180mm, length are the carbonization pinus sylvestris var. mongolica wood that 4000mm, moisture content are 30.0% by thickness Material is deposited on load wagon and fixed;It will be equipped with the stroller push-in pressure pan of timber, close tank door, be evacuated to- 0.08MPa simultaneously keeps 30min;Retardant solution is imported in pressure pan by vacuum, 1.2MPa is forced into and keeps 24h;Unload Pressure goes out fire retardant, and -0.08MPa is evacuated to again and 20min is kept;Release, opening is closed the door, and takes out timber;
The lumber quality of 1 piece of 4000mm × 180mm × 50mm for measuring fire retardant uptake is at 19.7kg, dipping Quality after reason is 37.0kg;Mu Cai ︰ fire retardants ZR-AP absolute dry mass ratio is 100 ︰ 85.3;
3) the timber natural air drying after being handled using fire retardant ZR-AP 15 days;Stacking, is put into Wood carbonization kiln, rises Warm to 75 DEG C~80 DEG C holding 120h;It is warming up to 95 DEG C~98 DEG C holding 48h;Further heat up to 110 DEG C~115 DEG C, keep 48h obtains fireproof wood;
4) temperature for the kiln that is carbonized is reduced to less than 50 DEG C, opens wicket, take out fireproof wood, fireproof wood surface has white Color fire retardant deposit, it is more difficult to process.
5) performance test results:
(1) combustibility:Gross calorific power 0.5MJ/m2;Do not extend through to the crackle at back, hole;HRR peak value 11.7kW/m2, conclusion is incombustible material.
(2) carbonization speed:Standard requirement≤0.80mm/min;Measured result 0.29mm/min.
Comparative example 4
Thickness is that 30mm, width are that 200mm, length are the Southern Pine timber that 4000mm, moisture content are 15.0%, without resistance Fire agent processing.
(1) combustibility:Gross calorific power 48.0MJ/m2;3.0min burnings run through back;HRR peak value 520.0kW/m2, conclusion is combustible material.
(2) carbonization speed:Standard requirement≤0.80mm/min;Measured result 1.27mm/min.
It is compared by the product and comparative example 1,2,3 and 4 that obtain the embodiment of the present invention, it can be deduced that following knot By:Using fireproof wood produced by the invention or integrated timber, its combustibility can reach GB8624 incombustible materials (A grades of materials) Regulation, and it is combustible material that the combustibility of comparative example 1 and comparative example 2, which is nonflammable material combustible material, comparative example 4, is compared Example 3 have fire retardant deposit for incombustible material but wood surface, it is more difficult to process.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair The restriction of embodiments of the present invention, for those of ordinary skill in the field, may be used also on the basis of the above description To make other changes in different forms, all embodiments can not be exhaustive here, it is every to belong to this hair Row of the obvious changes or variations that bright technical scheme is extended out still in protection scope of the present invention.

Claims (5)

1. the manufacture method of a kind of fireproof wood or integrated timber, it is characterised in that comprise the following steps:
1) fire retardant ZR-AP is configured to the 5.0wt%~80.0wt% fire retardant aqueous solution;
2) timber or integrated timber are put into dipping tank or pressure pan, implantation step 1) the obtained fire retardant aqueous solution, in normal pressure Or impregnation process 0.5h~300h under pressurized state;
3) by step 2) timber after impregnation process or integrated timber heat 0.2h~500h at 80~230 DEG C,
Wherein described fire retardant ZR-AP is made up of the first raw material, the second raw material and the 3rd raw material;First raw material is phosphorus Acid;Second raw material is selected from aluminium hydroxide or/and aluminum oxide;3rd raw material is selected from sodium hydroxide, potassium hydroxide, silicic acid One or more in sodium, potassium silicate and sodium phosphate;Preparation method is:By the first raw material and the second raw material at 101~200 DEG C 5~300min is reacted, less than 90 DEG C are cooled to;The 3rd raw material is added, 5~120min is reacted at 25~90 DEG C, is made fire-retardant Agent ZR-AP;The mass ratio of the described first former former material raw materials of ︰ the 3rd of material ︰ the 2nd is the ︰ 0.5~150 of 100 ︰ 5~260;
The absolute dry mass ratio of timber or Ji Cheng Cai ︰ the fire retardants ZR-AP is 100 ︰ 5~80.
2. the manufacture method of fireproof wood or integrated timber according to claim 1, it is characterised in that comprise the following steps:
1) fire retardant ZR-AP is configured to the 15.0wt%~40.0wt% fire retardant aqueous solution;
2) timber or integrated timber are put into dipping tank or pressure pan, implantation step 1) the obtained fire retardant aqueous solution, in normal pressure Or impregnation process 1.0h~150h under pressurized state;
3) by step 2) timber after impregnation process or integrated timber heat 1.0h~120.0h at 110~150 DEG C.
3. the fireproof wood or integrated timber that are prepared according to the preparation method of claim 1 or 2, it is characterised in that the timber or collection Cheng Cai ︰ fire retardants ZR-AP absolute dry mass ratio is 100 ︰ 15~40.
4. the fireproof wood or integrated timber that are prepared according to the preparation method of claim 1 or 2, it is characterised in that the fire retardant system Preparation Method is:First raw material and the second raw material are reacted into 10~60min at 101~135 DEG C, less than 60 DEG C are cooled to;Add 3rd raw material, reacts 20~60min at 30~60 DEG C, and fire retardant ZR-AP is made;The described first former former material ︰ the 3rd of material ︰ the 2nd The mass ratio of raw material is the ︰ 2~50 of 100 ︰ 15~70.
5. the fireproof wood or integrated timber that are prepared according to the preparation method of claim 1 or 2, it is characterised in that:The step 2) in Timber passes through drying, and moisture content is 8.0wt%~25.0wt%.
CN201410466560.6A 2014-09-12 2014-09-12 A kind of fireproof wood or integrated timber and its manufacture method Active CN105459236B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410466560.6A CN105459236B (en) 2014-09-12 2014-09-12 A kind of fireproof wood or integrated timber and its manufacture method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410466560.6A CN105459236B (en) 2014-09-12 2014-09-12 A kind of fireproof wood or integrated timber and its manufacture method

Publications (2)

Publication Number Publication Date
CN105459236A CN105459236A (en) 2016-04-06
CN105459236B true CN105459236B (en) 2017-10-24

Family

ID=55597604

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410466560.6A Active CN105459236B (en) 2014-09-12 2014-09-12 A kind of fireproof wood or integrated timber and its manufacture method

Country Status (1)

Country Link
CN (1) CN105459236B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106078999B (en) * 2016-06-01 2020-01-17 巢湖市兰天大诚门窗幕墙有限公司 Preparation method of additive for aluminum-clad wood door and window frame
CN107127847B (en) * 2017-04-27 2019-07-23 广西烽盛科技有限公司 A kind of fireproof treatment method of timber
CN107053388A (en) * 2017-05-08 2017-08-18 贵港市鑫宏木业有限公司 A kind of production method decorated with fire-retardant bamboo plywood
CN107253254B (en) * 2017-06-20 2018-10-23 阜阳市晨曦货架展柜有限公司 A kind of fire-retardant wooden pallet
CN109397438A (en) * 2017-08-18 2019-03-01 四川承美科技有限责任公司 A kind of fire-retardant bamboo wood and preparation method thereof
CN112045807B (en) * 2020-09-15 2021-04-06 清华大学 Equipment and method for wood fire prevention treatment

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1130124A (en) * 1995-03-01 1996-09-04 陈辉南 Treating method for fire-proof and corrosion-resistant timber
CN1148532A (en) * 1995-10-23 1997-04-30 阎振甲 Wood imitation material and production technology thereof
CN101081524A (en) * 2007-04-11 2007-12-05 陈战 Manufacturing technique of cortices assembled and adhered clad plate
CN101462284A (en) * 2009-01-22 2009-06-24 浙江大学 Method for producing wood fiber glued board and application
CN103341893A (en) * 2013-07-04 2013-10-09 中南林业科技大学 Wood panel flat-pressing dipping filling modification method and device
CN103804941A (en) * 2014-01-23 2014-05-21 苏州大学 Wafer-like aluminum phosphate/thermosetting resin composite and preparation method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1130124A (en) * 1995-03-01 1996-09-04 陈辉南 Treating method for fire-proof and corrosion-resistant timber
CN1148532A (en) * 1995-10-23 1997-04-30 阎振甲 Wood imitation material and production technology thereof
CN101081524A (en) * 2007-04-11 2007-12-05 陈战 Manufacturing technique of cortices assembled and adhered clad plate
CN101462284A (en) * 2009-01-22 2009-06-24 浙江大学 Method for producing wood fiber glued board and application
CN103341893A (en) * 2013-07-04 2013-10-09 中南林业科技大学 Wood panel flat-pressing dipping filling modification method and device
CN103804941A (en) * 2014-01-23 2014-05-21 苏州大学 Wafer-like aluminum phosphate/thermosetting resin composite and preparation method thereof

Also Published As

Publication number Publication date
CN105459236A (en) 2016-04-06

Similar Documents

Publication Publication Date Title
CN105459236B (en) A kind of fireproof wood or integrated timber and its manufacture method
CN103878847B (en) A kind of difficult firebrand material and its preparation method and application
CN105171866B (en) Method for modifying wood through combination of resin impregnation reinforcing, vacuum drying and heat treatment
CN105666612B (en) A kind of fire-retardant heat modification timber and preparation method thereof
CN102069519A (en) Fire retardant for wood, and preparation method and treatment process thereof
CN102615684A (en) Fire retardant treatment process for wood
CN102653106B (en) Lumber flame retardant and production method of flame-retarding laminated veneer lumber
CN101664945A (en) Strengthening and flame-retardant modified artificial forest wood and preparation method thereof
CN102975251A (en) Flame retardant for wood as well as preparation method and applications of flame retardant for wood
CN102975250A (en) Wood modifier and preparation method thereof
CN104924388B (en) Wood modification working liquid used for wet plate processing and use method thereof
Zhang et al. Synthesis of fire retardants based on N and P and poly (sodium silicate-aluminum dihydrogen phosphate)(PSADP) and testing the flame-retardant properties of PSADP impregnated poplar wood
CN108453853A (en) A kind of high fire-retardance timber
Seo et al. Fire properties of Pinus densiflora utilizing fire-retardant chemicals based on borated and phosphorus (I)–combustion characteristics
CN108262828A (en) A kind of wood fire retardant and its application
Jin et al. Flame retardant properties of laminated bamboo lumber treated with monoammonium phosphate (MAP) and boric acid/borax (SBX) compounds
CN102975252B (en) Wood treatment agent and preparation method thereof
CN104647535A (en) Eco-friendly anti-loss timber fire retardant and its preparation method and treatment process
US20170226424A1 (en) Wood modification to enhance fire retardancy
CN102975246B (en) Wood treatment agent and preparation method thereof
CN112606143A (en) Preparation method of halogen-free flame-retardant wood
CN104669378A (en) Composite type wood fire retardant and preparation method and application thereof
AU2020281173A1 (en) Wood modification to enhance flame retardancy
Park et al. Fire retardant performance and thermal degradation of Korean pine treated with fire retardant chemical
CN102941607A (en) Wood fire retardant and preparation method thereof

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
GR01 Patent grant