CN2636039Y - Flame-retardant inorganic glass fibre reinforced plastic ventilation pipe line - Google Patents
Flame-retardant inorganic glass fibre reinforced plastic ventilation pipe line Download PDFInfo
- Publication number
- CN2636039Y CN2636039Y CNU032177984U CN03217798U CN2636039Y CN 2636039 Y CN2636039 Y CN 2636039Y CN U032177984 U CNU032177984 U CN U032177984U CN 03217798 U CN03217798 U CN 03217798U CN 2636039 Y CN2636039 Y CN 2636039Y
- Authority
- CN
- China
- Prior art keywords
- layer
- alkali
- glass fibre
- fibre reinforced
- fiber cloth
- 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.)
- Expired - Fee Related
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/0281—Multilayer duct
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/30—Details or features not otherwise provided for comprising fireproof material
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Laminated Bodies (AREA)
Abstract
The utility model discloses a non-inflammable inorganic fiber-glass reinforced plastic ventilation duct, which comprises a Cl-O-Mg cement gel layer and a mild-alkali or alkali-free glass fiber cloth layer; wherein, the inner layer of the ventilation duct is the Cl-O-Mg cement gel layer, the outer-most layer is a coating layer attached to the glass fiber cloth layer; the utility model eliminates the phenomenon of halogen seepage on ordinary non-inflammable inorganic fiberglass reinforced plastic ventilation ducts, prolongs the service life of the entire air blast and exhaust system, and has smooth and esthetic appearance, and is easy to fabricate.
Description
Technical field
The utility model relates to a kind of ventilation duct.
Background technique
Be used in the facility of industrial enterprise, civilian office building, municipal underground installation at present concentrating that the ventilation duct of air-supply, air draft adopts is fire-retardant type inorganic glass fibre reinforced plastics ventilation pipeline, it is cementing material, is that reinforcing material is made with middle alkali or alkali-free glass fiber cloth with the magnesia oxychloride cement gelatinization material.Its preparation process is: earlier the magnesia oxychloride cement gelatinization material is coated on the mould as bottom, alkali or alkali-free glass fiber cloth in the layer overlay on it, on glass fiber cloth, coat the magnesia oxychloride cement gelatinization material again, then cover layer of glass cloth again, so repeat, up to reaching the required intensity of product, its outermost surface is a magnesia oxychloride cement gelatinization material layer.There is following shortcoming in this fire-retardant type inorganic glass fibre reinforced plastics ventilation pipeline: it is flat that one, outermost surface adopts polyester plastics film receipts when making, and the polyester plastics film torn off again, and the pipe surface out-of-flatness has wrinkle, pore, influences the attractive in appearance of ventilation duct; Two, because the magnesia oxychloride cement gelatinization material runs into overcast and rainyly when there was dampness in the air, the halogen phenomenon can appear returning, therefore can etching apparatus, suspension and support and bolt, make it to get rusty, thus influence wholely give, working life of exhaust system; Three, in normal or dry air, be prone to and return white phenomenon, dust promptly occurs, influence environmental hygiene.
The model utility content
The utility model aims to provide a kind of fire-retardant type inorganic glass fibre reinforced plastics ventilation pipeline that can not return halogen, return frost.
The technological scheme that the utility model adopted is: a kind of fire-retardant type inorganic glass fibre reinforced plastics ventilation pipeline, comprise magnesia oxychloride cement gelatinization material layer, middle alkali or alkali-free glass fiber cloth layer, the inner surface layer of ventilation duct is a magnesia oxychloride cement gelatinization material layer, the mesosphere alternately is formed by stacking by middle alkali or alkali-free glass fiber cloth layer and magnesia oxychloride cement gelatinization material layer, it is characterized in that: be attached with rendering layer on outermost glass fibre layer of cloth, rendering layer is as the outermost surface of ventilation duct.
Described rendering layer is made up of putty layer and coating layer, and coating layer is outside putty layer.
The beneficial effects of the utility model are: the outermost surface of fire-retardant type inorganic glass fibre reinforced plastics ventilation pipeline is a rendering layer, rendering layer is made up of putty layer and coating layer, that has avoided magnesia oxychloride cement gelatinization material and air directly to contact causing returns halogen, returns white phenomenon, prolonged wholely give, working life of exhaust system; Rendering layer combines firmly the rendering layer difficult drop-off attached on middle alkali or the alkali-free glass fiber cloth layer with glass fiber cloth; Putty layer is the hole on levelling glass fiber cloth surface effectively, makes pipe surface smooth, the outward appearance that can further beautify product after spraying is coated outside putty layer.
Description of drawings
Fig. 1 is an organigram of the present utility model.
Embodiment
As shown in Figure 1, a kind of fire-retardant type inorganic glass fibre reinforced plastics ventilation pipeline of the utility model comprises magnesia oxychloride cement gelatinization material layer 1, middle alkali or alkali-free glass fiber cloth layer 2, putty layer 3, coating layer 4, the inner surface layer of ventilation duct is a magnesia oxychloride cement gelatinization material layer 1, putty layer 3 is attached on the outermost layer of glass layer of cloth 2, and coating layer 4 is attached on the putty layer 3.
On mould, coat earlier mould oil during making, the magnesia oxychloride cement gelatinization material is coated on the mould as bottom, cover alkali or alkali-free glass fiber cloth in one deck thereon, be coated with last layer magnesia oxychloride cement gelatinization material again, so repeat, up to reaching the required intensity of product, this moment, skin was a glass fiber cloth, etc. the demoulding after the material cured, repair the outer field leftover pieces of ventilation duct, brush the hole on one deck putty levelling glass fiber cloth surface then, polish etc. after the putty layer drying, can carry out repeatedly levelling with putty more as required, polishing sprays last layer coating at last.
The cross section of the utility model fire-retardant type inorganic glass fibre reinforced plastics ventilation pipeline can be square, circular, also can be other shape.
Claims (2)
1, a kind of fire-retardant type inorganic glass fibre reinforced plastics ventilation pipeline, comprise magnesia oxychloride cement gelatinization material layer, middle alkali or alkali-free glass fiber cloth layer, the inner surface layer of ventilation duct is a magnesia oxychloride cement gelatinization material layer, the mesosphere alternately is formed by stacking by middle alkali or alkali-free glass fiber cloth layer and magnesia oxychloride cement gelatinization material layer, it is characterized in that: be attached with rendering layer on outermost glass fibre layer of cloth, rendering layer is as the outermost surface of ventilation duct.
2, according to the fire-retardant type inorganic glass fibre reinforced plastics ventilation pipeline of claim 1, it is characterized in that: described rendering layer is made up of putty layer and coating layer, and coating layer is outside putty layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032177984U CN2636039Y (en) | 2003-06-02 | 2003-06-02 | Flame-retardant inorganic glass fibre reinforced plastic ventilation pipe line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032177984U CN2636039Y (en) | 2003-06-02 | 2003-06-02 | Flame-retardant inorganic glass fibre reinforced plastic ventilation pipe line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2636039Y true CN2636039Y (en) | 2004-08-25 |
Family
ID=34290140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU032177984U Expired - Fee Related CN2636039Y (en) | 2003-06-02 | 2003-06-02 | Flame-retardant inorganic glass fibre reinforced plastic ventilation pipe line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2636039Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1302220C (en) * | 2005-07-02 | 2007-02-28 | 王宏亮 | Built-in guiding pipe of air intake exhaust flue |
| CN101312289B (en) * | 2007-05-26 | 2011-08-31 | 张文广 | Glass fibre reinforced plastic tube |
-
2003
- 2003-06-02 CN CNU032177984U patent/CN2636039Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1302220C (en) * | 2005-07-02 | 2007-02-28 | 王宏亮 | Built-in guiding pipe of air intake exhaust flue |
| CN101312289B (en) * | 2007-05-26 | 2011-08-31 | 张文广 | Glass fibre reinforced plastic tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |