CN201517664U - Colored steel composite air pipe - Google Patents
Colored steel composite air pipe Download PDFInfo
- Publication number
- CN201517664U CN201517664U CN2009201691904U CN200920169190U CN201517664U CN 201517664 U CN201517664 U CN 201517664U CN 2009201691904 U CN2009201691904 U CN 2009201691904U CN 200920169190 U CN200920169190 U CN 200920169190U CN 201517664 U CN201517664 U CN 201517664U
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- composite air
- color steel
- air duct
- airduct
- tubing
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Abstract
The utility model relates to a colored steel composite air pipe. A shell of the composite air pipe is composed of a colored steel plate 1, a heat preservation layer 2, an inner wall surface layer 3, hard pipes 4, a joint strip 5 and the like, wherein the hard pipes 4 are distributed between the colored steel plate 1 and the inner wall surface layer 3. The composite air pipe particularly has the advantages of light weight, corrosion resistance, long service life, excellent sealing performance, energy conservation and environment protection, can be installed outdoors, and the like, particularly has the advantages of low construction cost, high intensity, attractive appearance, convenient field installation and construction, and the like, and is applicable to large-scale, medium-sized and small-sized central conditioning projects, ventilation and smoke prevention and discharge projects.
Description
Technical field
The utility model relates to a kind of color steel composite air duct.
Background technique
Described airduct is the gas communication pipeline that is used for air conditioning, open air exhaust smoke control system.That traditional galvanized sheet airduct exists is perishable, need the secondary heat preservation construction, thermal insulation layer is fragile, thermal insulation property is poor, profile is not attractive in appearance, the life-span is low, the shortcoming of on-the-spot processing difficulties etc.; Aluminium foil+thermal insulation layer composite air duct exists low, the easy delamination of intensity, problem such as fragile; Glass magnesium plate+thermal insulation layer composite air duct exists heaviness, dry linting dirt, shortcoming such as humidity not, and above-mentioned various airduct airtight performances are all undesirable, and all can not be installed on outdoor or to be installed in when outdoor effect undesirable.
Summary of the invention
The utility model can solve the variety of issue of galvanized sheet airduct in the above-mentioned background technology, composite air duct existence.It comprises composite air duct housing and flange, it is characterized in that: described airduct housing is made up of color steel, thermal insulation layer, inwall top layer, hard tubing, dowel bar, described composite air duct housing has been implanted into hard tubing, between hard tubing distribution color steel and the inwall top layer.
The purpose of implanting hard tubing between the color steel of airduct and inwall top layer is: (1) can increase the mechanical strength of airduct housing, thereby can reduce the requirement to airduct color steel thickness, reduces the cost of material of airduct; (2) add bending color steel easily in man-hour, can composite board be processed into airduct at the scene more conveniently; When (3) composite air duct is installed in the job site,, can reach the purpose that connects two airducts by connecting two hard tubing ends in the adjacent airduct; (4) the airduct processing speed is fast, and on-the-spot easy for installation, construction cost is low; (5) airduct beautiful shape, leakproofness good, be not easy distortion; (6) strengthen the adhesion on airduct inwall top layer, made it difficult drop-off.
Described hard tubing comprises metal hard tubing such as common steel tube, Stainless Steel Tube, Al-alloy pipe, also can adopt rigid plastics tubing, and such as pvc pipe, plastic-steel etc., its body cross-section is shaped as circle, rectangle etc.Can use finished product tubing in the practical application, also sheet metal can be processed into voluntarily tubular material and use as hard tubing.Hard tubing described in the utility model is used to strengthen the mechanical strength of airduct color steel, is used for fixing the compressing tablet on inwall top layer on the hard tubing in addition.
Airduct color steel thickness can generally use the thickness of color steel to comprise: specifications such as 0.16mm, 0.18mm, 0.25mm, 0.326mm, 0.376mm, 0.426mm, 0.5mm, 0.6mm, 0.7mm between 0.16mm-1.3mm.Because color steel thickness is big more, the airduct cost is high more, and the on-the-spot difficulty of processing of airduct is also big more, so when the Extreme breadth of airduct cross section is big, can use color steel press device that color steel is suppressed convex-concave shape striped, with the mechanical strength of reinforcement airduct.
When airduct must installment work when outdoor, the airduct external layer uses δ 0.426mm color steel, processing technology by strictness makes airduct have higher leakproofness, not only in pipe during static pressure+1500Pa inleakage be 0, and through for a long time outdoor test of exposing to the sun and rain, the airduct non-corrosive, do not intake, indeformable, thermal insulation property do not descend.
The inwall top layer of described composite air duct adopts metal or nonmetallic material with fire retardant anticorrosion performance to make, and comprises the thin plate or the aluminium foil that adopt metal or nonmetallic material to make, and its thickness can be between 0.015-1mm.Also can increase the glass fiber net compartment between described inwall top layer and the thermal insulation layer, described inwall skin-material can be selected to use the aluminum foil material that contains the glass grid, helps strengthening the mechanical strength on airduct inwall top layer, makes it to have stronger fireproof performance simultaneously.
The mechanical strength design on the inwall top layer of this composite air duct must be less than or equal to the airduct color steel, and its purpose is to make things convenient for airduct processing.For example adopt the airduct inwall top layer of soft fire retardant anticorrosion material, can use light instrument-to process and cut out, the field fabrication airduct is more prone to as art knife.In the practical application, take into account each side factors such as airduct mechanical strength, fire retardant anticorrosion performance, processing complexity and select airduct inwall skin-material.
The thermoinsulation material that thermal insulation layer between airduct inwall top layer and color steel is filled comprises polyurethane foamed material, polystyrene foamed material, phenolic foam material, extrusion molding foam material, glass thermoinsulation material etc., and wherein the foam type thermal insulation layer comprises that foam-in-place and prefabricated back paste two kinds.Described thermal insulation layer can be selected different thermal insulating materials as required, is designed to different thickness, density, to reach the fire-protection rating of regulation, satisfies the requirement of various working environment.
Color steel as herein described is meant composite air duct outermost skin-material; The inwall top layer is meant the skin-material that flowing gas direct and in the airduct contacts; Thermal insulation layer is meant the thermoinsulation material that is close between color steel and the inwall top layer; Described hard tubing is meant and is distributed in the hard tubular material that is used to increase the airduct mechanical strength in the composite air duct; Described dowel bar is meant and is used to connect the also strip material in sealing air pipe color steel slit, comprises right angle type, arc, " jin " font, riglet type etc.; Described flange is meant the connection fittings that are used to connect two airducts.
The utlity model has in light weight, corrosion-resistant, the life-span is long, intensity is high, good airproof performance, energy-conserving and environment-protective, can be installed in beneficial effects such as outdoor, particularly have advantages such as cost is low, beautiful shape, on-the-spot installation convenience, be applicable to large, medium and small various central air conditioning project, open air exhaust and anti-smoke evacuation engineering.
Description of drawings
Accompanying drawing 1 is the structural representation of composite air duct cross section in the utility model;
Accompanying drawing 2 is cross section view of the partial shape of hard tubing 4 in the utility model;
Accompanying drawing 3 is the structural representations that preset the composite board of hard tubing 4 in the example;
Accompanying drawing 6 is the hard tubing connection diagram in the composite air duct;
Accompanying drawing 7 is flange connection diagrams between two airducts of the present utility model;
Accompanying drawing 8 is for using the assembling schematic representation of " jin " font dowel bar processing composite air duct.
The non-standard figure of above-mentioned accompanying drawing, figure and mark thereof are of a size of part example of the present utility model shown in each, are not to limit size of the present utility model, specification, shape fully.
Embodiment
As shown in Figure 1, be the structural representation of composite air duct cross section.Wherein 1 be airduct color steel, 2 for thermal insulation layer, 3 for airduct inwall top layer, 4 for hard tubing, 5 for dowel bar.
The composite air duct making step comprises: calculate the position of needs knuckle, embedding in advance hard tubing 4 between color steel 1 and inwall top layer 3 according to the airduct size; Prefabricated thermal insulating material is bonded between color steel 1 and the inwall top layer 3, becomes the thermal insulation layer 2 of composite air duct; Suppress bondingly, make the composite air duct board that contains hard tubing (4); Airduct adds and man-hour composite board is bent into 90 degree around hard tubing 4 to the direction on inwall top layer 3; Seam crossing at composite board can use dowel bar 5 to connect, and finally forms a composite air duct.
This paper divides airduct to make and installation two-part are specifically described:
One, airduct is made:
When making composite air duct board, preset hard tubing 4 and do not preset 4 two kinds of methods of hard tubing, the diameter of the hard tubing 4 of implantation or width are generally less than or equal the thickness of thermal insulation layer.
As shown in Figure 3, be a case study on implementation that presets hard tubing 4.Use δ 0.426 color steel as the airduct external layer, with the material of δ 0.18mm fiberglass aluminum foil as the inwall top layer 3 of airduct, the polystyrene foam warming plate of selecting thickness 20mm for use is through cutting as thermal insulation layer 2, hard tubing 4 adopts Al-alloy pipe, its thickness is 2mm, diameter is 20mm, tubing variable thickness sample when using different materials.
As shown in Figure 3, according to preliminary dimension Al-alloy pipe is compressed between color steel 1 and the inwall top layer 2 with the polystyrene foam warming plate is bonding, the airduct composite board length and width, the thick 3000mm of being respectively, 1200mm, the 20mm that make, can be used for making a cross section as shown in Figure 4 is 400mmX200mm, and length is the four limit rectangular air ducts of 3000mm.
During the processing airduct, Manufactured composite air duct board is bent into 90 degree around the direction of hard tubing 4 to inwall top layer 3, makes the compressing tablet on the hard tubing 4 just in time push down inwall top layer 3.Seam crossing at airduct during joint close brushes sealing glue, simultaneously with screw or riveted fixing dowel bar 5, dowel bar 5 is close on the airduct color steel 1, to guarantee the mechanical strength and the leakproofness of airduct, finally makes composite air duct.
In not embedding in advance hard tubing example, preferred thickness is the material of the color steel 3000mmX1200mm of 0.426mm as the color steel 1 of airduct, adopting thickness simultaneously is that 0.18mm contains the material of the aluminium foil 3000mmX1200mm of glass grid as the inwall top layer 3 of airduct, the polyurethane foam insulation plate 3000mmX1200mm that selects thickness 20mm for use is as thermal insulation layer 2, the airduct composite board length of producing is 3 meters, width is 1.2 meters, and thickness is 20mm.During on-the-spot processing airduct, by cutting, implant operations such as hard tubing 4, bonding, bending, riveted joint, can be processed into the composite air duct of plurality of specifications.
For the airduct composite board of not burying hard tubing 4 in advance underground, when the processing and fabricating airduct, because of hard tubing 4 need occupy certain position, need and to place the position of a tubing 4 of thermal insulation layer 2 excisions at hard tubing place, brush sealing glue, hard tubing 4 is implanted, then with the composite board bending and molding.In some cases, because factors such as size or shape, in the time of can not using a composite board to make an airduct, can two, three or four sheet materials be spliced through cutting, composite board joint operated by rotary motion on the corner, the airduct seam crossing brushes sealing glue, simultaneously with screw or dowel bar 5 of riveted fixing, be used for guaranteeing the leakproofness of airduct simultaneously with the seam crossing structure together.Can also use the adhesive sticker Stamping Steel Ribbon with the seam paste List, to strengthen the leakproofness of airduct.
As shown in Figure 2, described hard tubing 4 comprises also can adopt rigid plastics hard tubing by metal hard tubing such as using steel pipe, Stainless Steel Tube, Al-alloy pipe, manages such as pvc etc., can use finished product hard tubing, also can adopt sheet metal to be processed into tubulose voluntarily.The described hard tubing 4 general circular pipes that use also can be the tubular materials of rectangle or other shape, as long as it has enough hardness, enable to reach the purpose of the mechanical strength that strengthens described composite air duct.
As shown in Figure 2, upward increasing compressing tablet 8 by methods such as welding or riveted joints on the basis of common tubing (or rectangle tubing) forms.During practical application, can select to carry tubing 4 finished products of compressing tablet 8, can not make by oneself when having finished product.Described compressing tablet 8 can be arc, plate shaped etc., adopts metal or plastics to make, and the length of compressing tablet 8 is less than or equal to tubing 4, and the width of compressing tablet 8 is between 10mm-100mm, and thickness is between 0.16mm-3mm.Can also use metal or duroplasts to make the compressing tablet 8 of some " Ω " shape, during use described compressing tablet 8 is stuck on the tubing 4 and get final product.Composite air duct is after machining, and as shown in Figure 1, compressing tablet 8 is fixed airduct inwall top layer 3 tightly, even inwall top layer 3 also can not come off falling under the situation of glue.
As shown in Figure 5, when making circular duct, between airduct color steel and inwall top layer, place hard tubing 4 equably, increase the mechanical strength of airduct.
Shown in accompanying drawing 6, accompanying drawing 7, when the Extreme breadth of airduct cross section is big, color steel can be suppressed convex-concave shape striped, to improve the mechanical strength of airduct.
Accompanying drawing 8 is airduct processing and implementation cases.During the processing and fabricating airduct, can adopt " jin " font dowel bar 5 to connect at the Corner butt joint place.In " jin " font dowel bar 5 grooves, brush sealing glue, dock in the airduct composite board insertion groove with the needs butt joint, fix by screw or rivet simultaneously.In the place of using " jin " font dowel bar 5 stereoplasm tube material 4 is not installed.All joints or seam crossing all will use sealing glue adhering and sealing, meet the requirements with the tightness that guarantees airduct.
When the irregular composite air duct of making except that circle, rectangle,, can adopt the several different methods processing and fabricating according to actual conditions.Described dowel bar 5 adopts with the color steel identical materials makes or uses the finished product plastic strip, generally its length and airduct equal in length, and width is between 30mm-100mm.Use dowel bar 5 to dock fixing to right angle, arc or irregular seam crossing, when seam crossing is the right angle, dowel bar 5 is prefabricated into right angle or " jin " font (as shown in Figure 8), when seam crossing is arc, dowel bar 5 is prefabricated into arc (as shown in Figure 5), seam crossing is the plane, and dowel bar 5 is a riglet.Dowel bar 5 can be that the inside and outside two-layer air duct board of clamping connects, and performance is better.
Two, airduct is installed:
When airduct is installed, hard tubing 4 in two airducts can be connected and fixed the purpose that reaches two airduct butt joints, as shown in Figure 6, the method for pegging graft for gluing is connected and fixed hard tubing 4, can adopt methods such as wire connection, riveted joint, snapping to connect two tubing of needs butt joint.Simultaneously can brush sealing glue, rivet a circle dowel bar simultaneously, also stick the adhesive sticker Stamping Steel Ribbon at the seam crossing of airduct, to strengthen the leakproofness of airduct in the joint.
As shown in Figure 7, can also use flange 7 to connect between two airducts, described flange 7 is to adopt metallic material, pvc material, plastic-steel material to make, and its cross section is " worker " font.The inside wall height of flange 7 is identical with airduct composite board thickness, and width is between 30mm-100mm, and length equates with the airduct cross section length of side.When airduct is installed, on flange 7 inner side brush, seal glue earlier, then the airduct composite board is inserted in the flange, reinforce by immobilization materials such as riveted joint, screws 6 at last, two adjacent airducts are connected and fixed, form long airduct." worker " font flange can adopt two "] ", " [" section bar material riveted fixing forms.
In order to increase by two join strength and airduct performances between the composite air duct, flange 7 can be connected and hard tubing 4 connects the two and carries out simultaneously.
On-the-spot when airduct is installed, because this composite air duct is in light weight, can adopt the Lightgage Steel Joist hoisting, immovable point can be on the arbitrary position of the joint of airduct and airduct middle part or hard tubing 4.Perhaps suspension ring are fixed on the hard tubing 4, hang muscle and be fixed on the suspension ring.The bigger composite air duct of cross section is being installed, and because of its outer surface material is thicker, integral body is heavier, should use traditional angle iron bracket hoisting to install and fix composite air duct.
Claims (10)
1. color steel composite air duct, comprise composite air duct housing and flange, it is characterized in that, described airduct housing is made up of color steel (1), thermal insulation layer (2), inwall top layer (3), hard tubing (4), dowel bar (5), described composite air duct housing has been implanted into hard tubing (4), between hard tubing (4) distribution color steel (1) and inwall top layer (3).
2. color steel composite air duct according to claim 1, hard tubing (4) wherein comprises finished product tubing and homemade tubing, it is characterized in that, hard tubing (4) and airduct equal in length, connect and fix the end of hard tubing (4) of the joint area of two airducts, two airducts are connected and fixed, constitute long airduct.
3. color steel composite air duct according to claim 1 is characterized in that, a side of described hard tubing (4) has compressing tablet (8) fixedly airduct inwall top layer (2).
4. color steel composite air duct according to claim 1 is characterized in that, the color steel of composite air duct (1) thickness is between 0.16mm-1.3mm, and mechanical strength is more than or equal to the mechanical strength of inwall top layer (3).
5. color steel composite air duct according to claim 1 is characterized in that described color steel thickness comprises: 0.16mm, 0.18mm, 0.25mm, 0.326mm, 0.376mm, 0.426mm, 0.5mm, 0.6mm, 0.7mm.
6. according to claim 1 or 4 described color steel composite air ducts, it is characterized in that, be suppressed with convex-concave shape striped on the color steel of composite air duct.
7. color steel composite air duct according to claim 1 is characterized in that described thermal insulation layer is filled with heat-insulation material.
8. color steel composite air duct according to claim 1, it is characterized in that, described dowel bar (5) adopts the metal bar made from color steel (1) identical materials or uses the finished product plastic strip, comprise right angle type, arc, " jin " font, riglet type, the case material seam crossing of airduct is connected and be fixed together by rivet or screw (6).
9. color steel composite air duct according to claim 1 is characterized in that, presets hard tubing (4) in the sheet material of described composite air duct.
10. color steel composite air duct according to claim 1, it is characterized in that described compressing tablet (8) cross section is " Ω " shape, use metal or plastics to make, compressing tablet during use (8) is stuck on the hard tubing (4), with hard tubing (4) fixedly inwall top layer (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201691904U CN201517664U (en) | 2009-08-19 | 2009-08-19 | Colored steel composite air pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201691904U CN201517664U (en) | 2009-08-19 | 2009-08-19 | Colored steel composite air pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201517664U true CN201517664U (en) | 2010-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201691904U Expired - Fee Related CN201517664U (en) | 2009-08-19 | 2009-08-19 | Colored steel composite air pipe |
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| Country | Link |
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| CN (1) | CN201517664U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469201A (en) * | 2018-11-16 | 2019-03-15 | 广东白云学院 | Thin-walled light steel frame, thin-walled lightweight steel component and preparation method thereof |
-
2009
- 2009-08-19 CN CN2009201691904U patent/CN201517664U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469201A (en) * | 2018-11-16 | 2019-03-15 | 广东白云学院 | Thin-walled light steel frame, thin-walled lightweight steel component and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100630 Termination date: 20110819 |