CN103306462A - Air duct with fireproof function - Google Patents
Air duct with fireproof function Download PDFInfo
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- CN103306462A CN103306462A CN2013102113546A CN201310211354A CN103306462A CN 103306462 A CN103306462 A CN 103306462A CN 2013102113546 A CN2013102113546 A CN 2013102113546A CN 201310211354 A CN201310211354 A CN 201310211354A CN 103306462 A CN103306462 A CN 103306462A
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Abstract
The invention relates to an air duct with a fireproof function, which comprises an air duct (10) and is characterized in that the outer surface of the air duct (10) is compounded with a fireproof layer covering all the outer surface of the air duct; the fireproof layer is tightly combined with the air duct into a whole; and the fireproof layer comprises a layer of antirust paint (21) and at least one layer of fire retardant coating (22), wherein the antirust paint (21) is compounded on the outer surface of the air duct, the fire retardant coating (22) is compounded on the surface of the antirust paint and the fire retardant coating is a fire retardant coating for steel structures. According to the invention, through the arrangement of the fireproof layer integrated with the air duct on the outer surface of the air duct, the air duct has fireproof performance, so that the air duct can be directly installed and used, and thus, the space and the occupied area can be greatly saved; and the air duct has stable and reliable fire resistance, is low in cost and has good aesthetic property.
Description
[technical field]
The present invention relates to airduct, particularly relate to a kind of airduct that is provided with the tool fire-proof function of fireproof jointing sheath.
[background technology]
Fire-fighting is widely used in the place that office block, hotel, restaurant, cinema, market, hospital, underground parking etc. need anti-smoke evacuation with smoke control system.Existing blower fan for anti-smoke evacuation, airduct, airduct etc. are many to be made with steel plate or galvanized steel plain sheet, and not mineral wool protection processing of this kind equipment self, does not therefore have fire-proof function.A large amount of scientific research data both domestic and external and fire cases show that there are not the risk that collapses, is out of shape, damages in the airduct of mineral wool protection, blower fan, airduct etc. in standing fire process, and the damage of equipment then can cause fire and flue gas to spread.So under normal conditions, blower fan, airduct, the airduct of mineral wool protection do not have desired fire resistance.
Although the fire-resistant requirement of blower fan, airduct etc. that relevant fire prevention standard is clear and definite, but the fire prevention measure of this kind equipment mainly is to construct the fire prevention insulating space in the equipment installation position at present, as adopt hard moulding PLASTIC LAMINATED (as glass magnesium PLASTIC LAMINATED) parcel to isolate, construct enclosure space, form parcel in airduct etc. is installed in and isolate.Though this method can play anti-fire action, but because the constructed enclosure space of this method should take certain space, job site, and can only carry out site operation when airduct is installed, the processing of its interface also is difficult to guarantee, cause constructional difficulties, and with high costs.In addition, the fixing size of airduct and the plasticity of extreme difference cause difficulty of construction big, and material, cost of labor are higher.The another kind of method that adopts is with soft anti-guncotton felt class parcel at present, though this method can be installed on sturdy airduct surface, it is more convenient to install, and fire resistance is better, but adopt qualified fire-resistant cotton felt can cause installation cost to improve, and be difficult to whole coverings for irregular edge.In addition, more then be not to use the person to ignore pertinent regulations and clear-cut directly exposed the installation, thereby bury potential safety hazard.
[summary of the invention]
The present invention is intended to address the above problem, at the airduct external surface fireprotection layer of one with it is set and provide a kind of, airduct can directly be installed and used because possessing fireproof performance, therefore can save and isolate required space, and fire resistance is reliable and stable, with low cost, the airduct of the tool fire-proof function that aesthetic property is good.
For achieving the above object, the invention provides a kind of airduct of tool fire-proof function, it comprises airduct, it is characterized in that be compounded with the fireprotection layer that covers the whole external surfaces of airduct at the airduct external surface, this fireprotection layer and airduct are closely as one, described fireprotection layer comprises one deck rustproof paint and one deck fireproof paint at least, wherein, rustproof paint is compound in the airduct external surface, and one deck fireproof paint is compound in the rustproof paint surface at least.
Described rustproof paint is coated on the external surface of airduct, and described fireproof paint is coated on the rustproof paint surface.
Described fireproof paint is fire-resistant coating for steel structure, and further, described fireproof paint is thick formed steel construction fireproof paint, thin section steel structure fire-resisting paint or super-thin steel structure fire-proof paint.
Thick formed steel construction fireproof paint is that coating layer thickness is the non-expansion type fire-resistant coating for steel structure of 7～50mm.
Thin section steel structure fire-resisting paint is that coating layer thickness is at the expansion steel-structure fireproofing coating of 3～7mm.
Super-thin steel structure fire-proof paint is the fire-resistant coating for steel structure that coating layer thickness is no more than 3mm.
The fire endurance of described thick formed steel construction fireproof paint, thin section steel structure fire-resisting paint or super-thin steel structure fire-proof paint is 0.5～3 hour.
Thin section steel structure fire-resisting paint or super-thin steel structure fire-proof paint are one or more the combination in transparent fire-resisting paint, water-soluble fire-proof dilatation, phenolic aldehyde base fireproof paint, latex fire-proof paint, the basic fireproof paint of polyvinyl acetate breast, room temperature self-drying type water-solubility expanding fire-proof paint, polyolefin fire-proof insulation coating, the high chlorine polyethylene of modification fireproof paint, chlorinated rubber fire-proof dilatation, the intumescent coating.
Described airduct comprise the penetrate firewall subregion airduct, pass through cup and anti-smoke evacuation staircase airduct, be positioned at the airduct of corridor furred ceiling or close other combustible.
Contribution of the present invention is that it efficiently solves the fire safety problem of airduct.The present invention is by arranging fireprotection layer on the airduct surface, and this fire resistant coating and airduct form integral structure, both can save and carry out the required space of external isolation, possesses excellent fireproof performance again, make airduct can stand 0.5～3 hour flame baking and can not damage, thereby greatly improved refractory ability and the safety in utilization of airduct.Fireprotection layer of the present invention can carry out synchronously with the manufacturing of airduct, thereby forms the airduct with fire-proof function, and it can directly be installed and used because possessing fire-proof function, and need not be at the construction field (site) time-consuming, construct the fire prevention insulating space for airduct arduously.Airduct fire resistance of the present invention is reliable and stable, with low cost, and aesthetic property is good, can be widely used as the airduct that is positioned at corridor furred ceiling or close other combustible.
[description of drawings]
Fig. 1 is the airduct structural representation of tool fire-proof function of the present invention.
[specific embodiment]
The following example is to further explanation of the present invention and explanation, and the present invention is not constituted any limitation.
The airduct of tool fire-proof function of the present invention can be the airduct of penetrate firewall subregion, also can be to pass through the airduct of cup and anti-smoke evacuation staircase and be positioned at the corridor furred ceiling or the airduct of close other combustible.The present invention is also unrestricted to the type of airduct.Described airduct can be the metal material airduct of different-diameter, different cross section size and different size, and it can be circular duct, also can be rectangular air duct.Cross section of the present invention be shown be the structure of airduct of the tool fire-proof function of rectangle among the embodiment of Fig. 1.
As shown in Figure 1, be compounded with one deck fireprotection layer at airduct 10 external surfaces, this fireprotection layer covers the whole external surfaces of airduct.In the present embodiment, described fireprotection layer comprises one deck rustproof paint 21 and one deck fireproof paint 22, and described rustproof paint is the water-based metal rustproof paint, and it is sprayed at the external surface of airduct with paint spraying apparatus, and it can effectively suppress corrosion of metal.
For making airduct 10 possess fire-proof function, spray one deck fireproof paint 22 with the coating spraying equipment on the rustproof paint surface that is spraying, this fireproof paint must cover whole external surfaces of airduct 10, comprise irregular each edge, this fire resistant coating and airduct are closely as one, and become the part of airduct.Described fireproof paint can be thick formed steel construction fireproof paint, thin section steel structure fire-resisting paint or super-thin steel structure fire-proof paint.Described fireproof paint can once spray or spraying several times; until reaching required thickness; coated fireproof paint forms the fireprotection layer that flameproof protection is used at the external surface of airduct; heat and airduct that this fireprotection layer can produce flame separate; blocking-up flame is stretched to airduct inside; effectively delay the temperature rise of airduct, thereby effectively protect airduct.
In the embodiments of the invention, described thick type fireproof paint is that coating layer thickness is the non-expansion type fire-resistant coating for steel structure of 7～50mm, and preferred thickness is 20mm, and its fire endurance is more than 2 hours.The Main Ingredients and Appearance of this thick type fireproof paint is inorganic material, mainly be to be formed by mixed preparing such as inorganic binder, the adiabatic aggregate materials of inorganic light weight, fire-proof additive, chemical agent, reinforcing material and fillers, wherein, inorganic binder is water glass, Ludox, phosphalugel, refractory cement etc., the adiabatic aggregate materials of inorganic light weight is expanded perlite, expanded vermiculite, sea armful stone, floats pearl, flyash etc., and reinforcing material is alumina silicate fibre, rock wool, ceramic fibre, glass fiber etc.Above-mentioned inorganic material can absorb heat and thermal conductivity low, can effectively delay the temperature rise of airduct steel, with the protection airduct.
In the another embodiment of the present invention, described thin section steel structure fire-resisting paint be coating layer thickness at the expansion steel-structure fireproofing coating of 3～7mm, preferred thickness is 5mm, its fire endurance is about 2 hours.This thin section steel structure fire-resisting paint mainly comprises by waterborne polymeric, fire retardant compound system, fire-proof additive, refractory fibre etc., and it can be one or more the combination in transparent fire-resisting paint, water-soluble fire-proof dilatation, phenolic aldehyde base fireproof paint, latex fire-proof paint, the basic fireproof paint of polyvinyl acetate breast, room temperature self-drying type water-solubility expanding fire-proof paint, polyolefin fire-proof insulation coating, the high chlorine polyethylene of modification fireproof paint, chlorinated rubber fire-proof dilatation, the intumescent coating.It is water-soluble fire-proof dilatation in the present embodiment.This thin section steel structure fire-resisting paint has superior binding strength, and weather-proof water resistance, levelability and good decorative property.This fireproof paint is can be slowly expanded foamed and form fine and close hard fire proof heat-insulation layer when being subjected to fire, and this fireprotection layer has very strong flameproofed impact-resistance, can delay the temperature rise of airduct, thereby effectively protects airduct.
In the another embodiment of the present invention, described super-thin steel structure fire-proof paint is the fire-resistant coating for steel structure that coating layer thickness is no more than 3mm, and preferred thickness is 2mm, and its fire endurance is about 2 hours.This super-thin steel structure fire-proof paint is solvent-based system, and it mainly is to be composited by inorganic fire-resistant interpolation materials such as fire protection flame retarding systems such as base-material adhesive, high polymerization degree APP, bipentaerythrite, melamine such as the polymethacrylates of special construction or epoxy resin and amino resins, chlorinated paraffin wax and titanium dioxide, wollastonite and solvent wet goods.This super-thin steel structure fire-proof paint can be one or more the combination in transparent fire-resisting paint, water-soluble fire-proof dilatation, phenolic aldehyde base fireproof paint, latex fire-proof paint, the basic fireproof paint of polyvinyl acetate breast, room temperature self-drying type water-solubility expanding fire-proof paint, polyolefin fire-proof insulation coating, the high chlorine polyethylene of modification fireproof paint, chlorinated rubber fire-proof dilatation, the intumescent coating.It is water-soluble fire-proof dilatation in the present embodiment.The same thin section steel structure fire-resisting paint of its fire prevention mechanism.
For increasing the aesthetic property of airduct 10, in the present embodiment, with the external surface spraying one deck finish paint 30 of paint spraying apparatus at described fireprotection layer, this finish paint can be the finish paint of known tool decoration function, be varnish in the present embodiment, it constitutes the fire resistant coating of tool fire-proof function with rustproof paint 21, fireproof paint 22.When fire took place, this fire resistant coating can fire-resistantly reach more than two hours, thereby can effectively protect airduct not to be damaged.
Take this, the present invention is by arranging the fireprotection layer of one with it at airduct 10 external surfaces, make this airduct need not construct fire prevention insulating space and can directly installing and using at the construction field (site), thereby both met the security against fire requirement, can save space and floor space again, and fire resistance is reliable and stable, and is with low cost, and aesthetic property is good.
Although disclose by the present invention of above embodiment, protection scope of the present invention is not limited thereto, and is not departing under the condition of the present invention design, and the distortion that above each member is done, replacement etc. all will fall in the claim scope of the present invention.
Claims (10)
1. the airduct of a tool fire-proof function, comprise airduct (10), it is characterized in that, be compounded with the fireprotection layer that covers the whole external surfaces of airduct at airduct (10) external surface, this fireprotection layer and airduct are closely as one, and described fireprotection layer comprises one deck rustproof paint (21) and one deck fireproof paint (22) at least, wherein, rustproof paint (21) is compound in the airduct external surface, and one deck fireproof paint (22) is compound in the rustproof paint surface at least.
2. the airduct of tool fire-proof function as claimed in claim 1 is characterized in that, described rustproof paint is coated on the external surface of airduct, and described fireproof paint is coated on the rustproof paint surface.
3. the airduct of tool fire-proof function as claimed in claim 2 is characterized in that, described fireproof paint is fire-resistant coating for steel structure.
4. the airduct of tool fire-proof function as claimed in claim 3 is characterized in that, described fireproof paint is thick formed steel construction fireproof paint, thin section steel structure fire-resisting paint or super-thin steel structure fire-proof paint.
5. the airduct of tool fire-proof function as claimed in claim 4 is characterized in that, described thick formed steel construction fireproof paint is that coating layer thickness is the non-expansion type fire-resistant coating for steel structure of 7～50mm.
6. the airduct of tool fire-proof function as claimed in claim 4 is characterized in that, thin section steel structure fire-resisting paint is that coating layer thickness is at the expansion steel-structure fireproofing coating of 3～7mm.
7. the airduct of tool fire-proof function as claimed in claim 4 is characterized in that, described super-thin steel structure fire-proof paint is the fire-resistant coating for steel structure that coating layer thickness is no more than 3mm.
8. as the airduct of arbitrary described tool fire-proof function in the claim 5 to 7, it is characterized in that the fire endurance of described thick formed steel construction fireproof paint, thin section steel structure fire-resisting paint or super-thin steel structure fire-proof paint is 0.5～3 hour.
9. as the airduct of arbitrary described tool fire-proof function in the claim 8, it is characterized in that described thin section steel structure fire-resisting paint or super-thin steel structure fire-proof paint are one or more the combination in transparent fire-resisting paint, water-soluble fire-proof dilatation, phenolic aldehyde base fireproof paint, latex fire-proof paint, the basic fireproof paint of polyvinyl acetate breast, room temperature self-drying type water-solubility expanding fire-proof paint, polyolefin fire-proof insulation coating, the high chlorine polyethylene of modification fireproof paint, chlorinated rubber fire-proof dilatation, the intumescent coating.
10. the airduct of tool fire-proof function as claimed in claim 2 is characterized in that, described airduct comprise the penetrate firewall subregion airduct, pass through cup and anti-smoke evacuation staircase airduct, be positioned at the airduct of corridor furred ceiling or close other combustible.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102113546A CN103306462A (en) | 2013-05-31 | 2013-05-31 | Air duct with fireproof function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013102113546A CN103306462A (en) | 2013-05-31 | 2013-05-31 | Air duct with fireproof function |
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| CN103306462A true CN103306462A (en) | 2013-09-18 |
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| CN2013102113546A Pending CN103306462A (en) | 2013-05-31 | 2013-05-31 | Air duct with fireproof function |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500855A (en) * | 2014-12-22 | 2015-04-08 | 常熟市兴华机电设备安装工程有限责任公司 | Ventilating duct with high transmission rate |
| CN105863092A (en) * | 2016-04-05 | 2016-08-17 | 上海十三冶建设有限公司 | Mounting method for fireproof plates of smoke control and exhaust system |
| CN105968988A (en) * | 2016-06-17 | 2016-09-28 | 北京斯坦塞建筑科技有限公司 | Fireproof and smoke-proof plugging coating for buildings and application |
| CN107902545A (en) * | 2017-11-29 | 2018-04-13 | 南通市中南建工设备安装有限公司 | A kind of riding track air hose lifting construction device and construction |
| CN113648559A (en) * | 2021-08-21 | 2021-11-16 | 姚海涛 | Fireproof material and manufacturing process thereof |
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| CN201195422Y (en) * | 2008-04-14 | 2009-02-18 | 徐州正菱涂装工程技术研究中心 | Composite coating for fire protection of steel component surface |
| JP2011140116A (en) * | 2010-01-05 | 2011-07-21 | Sorachi Tanpan Kogyo Kk | Flame retardant thin laminate, slat for blind, and blind equipped with the slat |
| CN102249708A (en) * | 2011-05-16 | 2011-11-23 | 西南科技大学 | Preparation method for anti-corrosion and flameproof integrated coating for thick-type steel structure |
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2013
- 2013-05-31 CN CN2013102113546A patent/CN103306462A/en active Pending
Patent Citations (3)
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| CN201195422Y (en) * | 2008-04-14 | 2009-02-18 | 徐州正菱涂装工程技术研究中心 | Composite coating for fire protection of steel component surface |
| JP2011140116A (en) * | 2010-01-05 | 2011-07-21 | Sorachi Tanpan Kogyo Kk | Flame retardant thin laminate, slat for blind, and blind equipped with the slat |
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| 秦孝峰，纵多娇，陈超: "浅谈钢结构防火和防腐", 《中国房地产业》, vol. 7, 22 September 2011 (2011-09-22) * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500855A (en) * | 2014-12-22 | 2015-04-08 | 常熟市兴华机电设备安装工程有限责任公司 | Ventilating duct with high transmission rate |
| CN105863092A (en) * | 2016-04-05 | 2016-08-17 | 上海十三冶建设有限公司 | Mounting method for fireproof plates of smoke control and exhaust system |
| CN105968988A (en) * | 2016-06-17 | 2016-09-28 | 北京斯坦塞建筑科技有限公司 | Fireproof and smoke-proof plugging coating for buildings and application |
| CN105968988B (en) * | 2016-06-17 | 2018-04-13 | 北京斯坦塞建筑科技有限公司 | Building class fire-proof smoke-proof plugging coating and application |
| CN107902545A (en) * | 2017-11-29 | 2018-04-13 | 南通市中南建工设备安装有限公司 | A kind of riding track air hose lifting construction device and construction |
| CN107902545B (en) * | 2017-11-29 | 2024-01-23 | 南通市中南建工设备安装有限公司 | Horse way air pipe hoisting construction device and construction method |
| CN113648559A (en) * | 2021-08-21 | 2021-11-16 | 姚海涛 | Fireproof material and manufacturing process thereof |
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Application publication date: 20130918 |