CN103305047A - Fireproof treatment method of air valve - Google Patents
Fireproof treatment method of air valve Download PDFInfo
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- CN103305047A CN103305047A CN2013102115113A CN201310211511A CN103305047A CN 103305047 A CN103305047 A CN 103305047A CN 2013102115113 A CN2013102115113 A CN 2013102115113A CN 201310211511 A CN201310211511 A CN 201310211511A CN 103305047 A CN103305047 A CN 103305047A
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Abstract
The invention provides a fireproof treatment method of an air valve for smoke control. The method comprises the following steps of: a, coating the external surface of the air valve for smoke control with a layer of antirust paint; b, coating the dried antirust paint surface with at least one layer of fireproof coating, thereby forming a fireproof layer for fireproof protection; c, coating the external surface of the dried fireproof layer with a layer of finish, and drying or naturally drying the finish layer, thereby completing the fireproof treatment of the air valve. The fireproof coating is a thick steel structure fireproof coating, a thin steel structure fireproof coating or an ultrathin steel structure fireproof coating. The duration of fire resistance of the thick steel structure fireproof coating, the thin steel structure fireproof coating or the ultrathin steel structure fireproof coating is in the range from 0.5 to 3 hours. The fireproof treatment method is directly used for fireproof treatment of the air valve, and is simple and quick in treatment process; the treated air valve can be directly mounted for use; the mounting space can be saved; and the air valve is stable and reliable in fire resistance, low in cost and good in appearance.
Description
[technical field]
The present invention relates to the air-valve of anti-smoke evacuation usefulness, particularly relate to the fire prevention treatment process that air-valve is used in a kind of anti-smoke evacuation.
[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, air-valve etc. are many to be made with steel plate or steel plate galvanized, 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, air-valve 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, air-valve, the airduct of mineral wool protection do not have desired fire performance.
Although the fire-resistant requirement of blower fan, air-valve etc. that relevant fire prevention standard is clear and definite, but the measures for the prevention of fire 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 enclosed space, form parcel in blower fan, air-valve etc. is installed in and isolate.Though this method can play anti-fire action, because the constructed enclosed space of this method should take certain space, working-yard, the processing of its interface also is difficult to guarantee, causes constructional difficulties, and with high costs.The fixing size of air-valve 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 sturdy equipment surface be installed, it is more convenient to install, and fire performance 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 relevant 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, and provide a kind of directly to anti-smoke evacuation with the air-valve processing of preventing fires, the treating processes simple and fast, air-valve after the processing can directly be installed and used because possessing fire resistance, and can save shared space, and fire performance is reliable and stable, and is with low cost, the fire prevention treatment process of the air-valve that aesthetic property is good.
For achieving the above object, the invention provides a kind of fire prevention treatment process of air-valve, this method comprises the steps:
The outside surface of a, the air-valve used in fire-fighting applies one deck rust-inhibiting paint;
B, at dried rust-inhibiting paint surface-coated one deck frie retardant coating at least, form the fireproofing that flameproof protection is used;
C, apply one deck finish paint at the outside surface of dried described fireproofing, finish the fire prevention of air-valve after oven dry or the seasoning and handle.
Among the step b, described frie retardant coating is steel structure fire-proof paint.
Described frie retardant coating is thick formed steel construction frie retardant coating, thin section steel structure fire-resisting paint or super-thin steel structure fire-proof paint.
Thick formed steel construction frie retardant coating is that coat-thickness is the non-expansion type steel structure fire-proof paint of 7～50mm.
Thin section steel structure fire-resisting paint is that coat-thickness is at the expansion steel-structure fireproofing coating of 3～7mm.
Super-thin steel structure fire-proof paint is the steel structure fire-proof paint that coat-thickness is no more than 3mm.
The fire endurance of thick formed steel construction frie retardant coating, 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 frie retardant coating, latex fire-proof paint, the basic frie retardant coating of Vinyl Acetate Copolymer breast, room temperature self-drying type water-solubility expanding fire-proof paint, polyolefine fire-proof insulation coating, the high chlorine polyethylene of modification frie retardant coating, chlorinated rubber fire-proof dilatation, the intumescent coating.
Described rust-inhibiting paint is sprayed at the outside surface of air-valve with spraying equipment, and described frie retardant coating is sprayed at the rust-inhibiting paint surface, and described finish paint is sprayed at the frie retardant coating surface.
Described air-valve is volume damper, airduct vacuum breaker, excess pressure valve or exhaust smoke valve.
Contribution of the present invention is that it efficiently solves the fire safety problem of air-valve.Method of the present invention can be directly to the air-valve processing of preventing fires, by at air-valve surface-coated frie retardant coating, can form the fireproofing of fire performance excellence, make it can stand 0.5～3 hour flame baking and can not damage, thereby refractory ability and the safety in utilization of air-valve have greatly been improved, and because fire protection coating is attached to the air-valve surface, thereby can save installing space.The treating processes simple and fast of present method, its both can be at the construction field (site) to the air-valve processing of preventing fires, also can be in factory processes after the manufacturing of air-valve product is finished, air-valve after the processing can directly be installed and used, and fire performance is reliable and stable, and is with low cost, and aesthetic property is good.The present invention can be widely used in the fire prevention of the air-valve that is positioned at corridor furred ceiling or close other combustiblematerials and handle.
[description of drawings]
Fig. 1 is that the present invention handles synoptic diagram to the fire prevention of air-valve.
[embodiment]
The following example is to further explanation of the present invention and explanation, and the present invention is not constituted any limitation.
Consult Fig. 1, the fire prevention treatment process of air-valve of the present invention comprises the steps:
At first the outside surface of the air-valve of using in fire-fighting with spray painting equipment 100 applies one deck rust-inhibiting paint 1, and spray painting equipment can be known paint spraying machine, also can adopt manual type to brush certainly.Rust-inhibiting paint can be known metal rust preventing lacquer or rust-stabilising pigment.In the present embodiment, rust-inhibiting paint is the water-based metal rust-inhibiting paint, and it can effectively suppress corrosion of metal.After applying rust-inhibiting paint, the air-valve that scribbles rust-inhibiting paint was dried also seasoning at normal temperatures with drying plant 30 minutes 50 ℃ temperature.
After the rust-inhibiting paint oven dry, at one or more layers frie retardant coating 2 of rust-inhibiting paint surface spraying, this frie retardant coating must cover whole outside surfaces of air-valve 100, comprises each corner with paint spay-coating equipment.Paint spay-coating equipment can be any known paint spay-coating equipment, and described frie retardant coating can be thick formed steel construction frie retardant coating, thin section steel structure fire-resisting paint or super-thin steel structure fire-proof paint.Described frie retardant coating can once spray or spraying several times; until reaching required thickness; coated frie retardant coating forms the fireproofing that flameproof protection is used at the outside surface of air-valve; heat and air-valve that this fireproofing can produce flame separate; blocking-up flame is stretched to air-valve inside; effectively delay the temperature rise of air-valve, thereby effectively protect air-valve.
Described thick type frie retardant coating is that coat-thickness is the non-expansion type steel structure fire-proof paint of 7～50mm, and preferred thickness is 20mm, and its fire endurance is more than 2 hours.The major ingredient of this thick type frie retardant coating is inorganic materials, 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, strongthener and fillers, wherein, inorganic binder is water glass, silicon sol, phosphalugel, refractory cements etc., the adiabatic aggregate materials of inorganic light weight is pearlstone, expanded vermiculite, sea armful stone, floats pearl, flyash etc., and strongthener is aluminum silicate fiber, rock wool, ceramic fiber, glass fibre etc.Above-mentioned inorganic materials can absorb heat and thermal conductivity low, can effectively delay the temperature rise of air-valve steel, with the protection air-valve.
Described thin section steel structure fire-resisting paint be coat-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 frie retardant coating, latex fire-proof paint, the basic frie retardant coating of Vinyl Acetate Copolymer breast, room temperature self-drying type water-solubility expanding fire-proof paint, polyolefine fire-proof insulation coating, the high chlorine polyethylene of modification frie retardant coating, 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 cohesive strength, and weather-proof water tolerance, levelling property and good decorative property.This frie retardant coating is can be slowly expanded foamed and form fine and close hard fire proof heat-insulation layer when being subjected to fire, and this fireproofing has very strong flameproofed impact-resistance, can delay the temperature rise of air-valve, thereby effectively protects air-valve.
Described super-thin steel structure fire-proof paint is the steel structure fire-proof paint that coat-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 tackiness agent, high-polymerization degree ammonium polyphosphate, dipentaerythritol, trimeric cyanamide such as the polymethacrylate of special construction or Resins, epoxy and aminoresin, clorafin 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 frie retardant coating, latex fire-proof paint, the basic frie retardant coating of Vinyl Acetate Copolymer breast, room temperature self-drying type water-solubility expanding fire-proof paint, polyolefine fire-proof insulation coating, the high chlorine polyethylene of modification frie retardant coating, 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.
At the outside surface of the formed fireproofing of dried described frie retardant coating spraying one deck finish paint 3, this finish paint can be the finish paint of known tool decoration function, is varnish in the present embodiment with spray painting equipment.
The air-valve that is coated with finish paint was dried 30 minutes 50 ℃ temperature with drying plant, and also seasoning is at normal temperatures namely finished the fire prevention of air-valve and is handled after the drying.
Above-mentioned treating processes of the present invention both can be carried out at the construction field (site), also can machine the back at the air-valve product and handle in factory, and the air-valve after fire prevention is handled can directly be installed and used at the construction field (site) because possessing fire resistance.
Method of the present invention is applicable to various types of air-valves, comprises volume damper, airduct vacuum breaker, excess pressure valve or exhaust smoke valve.
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. anti-a smoke evacuation with the fire prevention treatment process of air-valve is characterized in that this method comprises the steps:
A, apply one deck rust-inhibiting paint at the outside surface of the air-valve of anti-smoke evacuation usefulness;
B, at dried rust-inhibiting paint surface-coated one deck frie retardant coating at least, form the fireproofing that flameproof protection is used;
C, apply one deck finish paint at the outside surface of dried described fireproofing, finish the fire prevention of air-valve after oven dry or the seasoning and handle.
2. the fire prevention treatment process of air-valve as claimed in claim 1 is characterized in that, among the step b, described frie retardant coating is steel structure fire-proof paint.
3. the fire prevention treatment process of air-valve as claimed in claim 2 is characterized in that, described frie retardant coating is thick formed steel construction frie retardant coating, thin section steel structure fire-resisting paint or super-thin steel structure fire-proof paint.
4. the fire prevention treatment process of air-valve as claimed in claim 3 is characterized in that, described thick formed steel construction frie retardant coating is that coat-thickness is the non-expansion type steel structure fire-proof paint of 7～50mm.
5. the fire prevention treatment process of air-valve as claimed in claim 3 is characterized in that, thin section steel structure fire-resisting paint is that coat-thickness is at the expansion steel-structure fireproofing coating of 3～7mm.
6. the fire prevention treatment process of air-valve as claimed in claim 3 is characterized in that, described super-thin steel structure fire-proof paint is the steel structure fire-proof paint that coat-thickness is no more than 3mm.
7. as the fire prevention treatment process of arbitrary described air-valve in the claim 4 to 6, it is characterized in that the fire endurance of described thick formed steel construction frie retardant coating, thin section steel structure fire-resisting paint or super-thin steel structure fire-proof paint is 0.5～3 hour.
8. as the fire prevention treatment process of arbitrary described air-valve in the claim 4 to 6, 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 frie retardant coating, latex fire-proof paint, the basic frie retardant coating of Vinyl Acetate Copolymer breast, room temperature self-drying type water-solubility expanding fire-proof paint, polyolefine fire-proof insulation coating, the high chlorine polyethylene of modification frie retardant coating, chlorinated rubber fire-proof dilatation, the intumescent coating.
9. the fire prevention treatment process of air-valve as claimed in claim 1 is characterized in that, described rust-inhibiting paint is sprayed at the outside surface of air-valve with spraying equipment, and described frie retardant coating is sprayed at the rust-inhibiting paint surface, and described finish paint is sprayed at the frie retardant coating surface.
10. the fire prevention treatment process of air-valve as claimed in claim 1 is characterized in that, described air-valve is volume damper, airduct vacuum breaker, excess pressure valve or exhaust smoke valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102115113A CN103305047A (en) | 2013-05-31 | 2013-05-31 | Fireproof treatment method of air valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102115113A CN103305047A (en) | 2013-05-31 | 2013-05-31 | Fireproof treatment method of air valve |
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| CN103305047A true CN103305047A (en) | 2013-09-18 |
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| CN2013102115113A Pending CN103305047A (en) | 2013-05-31 | 2013-05-31 | Fireproof treatment method of air valve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104691072A (en) * | 2013-12-05 | 2015-06-10 | 浙江波威钢构有限公司 | Indoor steel structure and construction technology thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1394923A (en) * | 2001-07-10 | 2003-02-05 | 同济大学 | Water thin type expanding steel structure fire-resisting paint and its preparation method |
| JP4034706B2 (en) * | 2003-07-17 | 2008-01-16 | 太平洋セメント株式会社 | Tunnel segment and tunnel refractory structure including the same |
| 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 |
-
2013
- 2013-05-31 CN CN2013102115113A patent/CN103305047A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1394923A (en) * | 2001-07-10 | 2003-02-05 | 同济大学 | Water thin type expanding steel structure fire-resisting paint and its preparation method |
| JP4034706B2 (en) * | 2003-07-17 | 2008-01-16 | 太平洋セメント株式会社 | Tunnel segment and tunnel refractory structure including the same |
| 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 |
Non-Patent Citations (2)
| Title |
|---|
| 傅绍燕: "《涂装工艺及车间设计手册》", 31 January 2013, article "钢结构防火涂料", pages: 137 - 5.2.4 * |
| 沈建荣等: "空间钢结构的涂漆", 《空间结构》, vol. 4, no. 3, 31 August 1998 (1998-08-31) * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104691072A (en) * | 2013-12-05 | 2015-06-10 | 浙江波威钢构有限公司 | Indoor steel structure and construction technology thereof |
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Application publication date: 20130918 |