CN201242248Y - Steel surface type composite air duct - Google Patents
Steel surface type composite air duct Download PDFInfo
- Publication number
- CN201242248Y CN201242248Y CNU2008201030786U CN200820103078U CN201242248Y CN 201242248 Y CN201242248 Y CN 201242248Y CN U2008201030786 U CNU2008201030786 U CN U2008201030786U CN 200820103078 U CN200820103078 U CN 200820103078U CN 201242248 Y CN201242248 Y CN 201242248Y
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- air duct
- type composite
- composite air
- steel surface
- surface type
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Abstract
The utility model relates to a steel facing type composite air-duct, which relates to the air duct, in particular to the steel facing type composite air-duct for the ventilating of a building and an air-conditioning system. The utility model provides the steel facing type composite air duct which combines the advantages of a traditional zinc-plating iron sheet air duct and the composite air duct and is provided with an anti-collision external superficial layer and an inner insulating layer which has good insulating effect. The air duct is provided with the steel facing type superficial layer, a middle foam insulating layer and an inner protective layer, wherein the steel facing superficial layer, the middle foam insulating layer and the inner protective layer are adhered by glue. Firstly, a steel facing type composite air-duct board is made, the pipe section division and the cutting are carried out to the steel facing type composite air-duct board according to the requirements of the dimensions, and the steel facing type composite air-duct board which is carried out with the pipe section division and the cutting is formed through gluing, and connecting and sealing are carried out to the steel facing type composite air duct board after the forming through gluing.
Description
Technical field
The utility model relates to a kind of airduct, especially relates to a kind of steel surface type composite air duct that is used for constructure ventilation and air-conditioning system.
Background technology
The galvanized iron sheet airduct is one of airduct tubing that uses the earliest, and its structure is after adopting galvanized sheet to be processed into pipeline, to be surrounded by insulation materials such as glass wool or rock wool again in its outside.Its shortcoming is that heat-insulating property is poor, and the galvanized iron sheet quality is heavy, and the time-consuming material that takes of processing and fabricating is difficult for installing, and the outer surface intensity difference is very easily damaged; In addition, cause the heat-insulation layer large tracts of land to come off easily, the glass fibre in the heat-insulation layer fibre structure comes off, and airduct is easily got rusty, breed bacteria.
Inorganic glass fibre reinforced plastic blast pipe is the airduct tubing that develops in recent ten years, and its structure adopts between two-layer unorganic glass steel plate and presss from both sides heat-insulation layers such as mineral wool, rock wool, or insulation material such as inorganic glass fibre reinforced plastic blast pipe outsourcing mineral wool.FRIM has meets that fire does not fire, corrosion-resistant, advantage such as deal heavy, hardness is big, but quality is more crisp, and it is yielding influenced by deadweight, is subjected to the raw material preparation to influence and restrict easy shortcake to split, and no acoustic attenuation performance need be established silencer in addition, and making, installation period are long, and speed is slow.
Composite glassfibre air duct is the airduct tubing of development in recent years; with the glass plate is base material; interior multiple glass wool cloth; outer multiple moistureproof aluminium foil cloth, aluminium foil, brown paper etc.; because of have noise elimination, insulation, fire prevention, protection against the tide, inleakage is little, material is light, easily carrying is hung, on-the-spotly revised convenient, easily construction, advantage such as economic and practical is used widely; but its bearing strength is lower; yielding; make in the installation process and often cause the breakage of airduct outer surface; the finished product protection that is unfavorable for the job site; increase the inleakage of system simultaneously, grown mould unavoidably.
In the middle of the existing composite air duct is heat-insulation layer, is insulation material with phenol formaldehyde foam, polyurethane foam, glass fibre etc., and foil sealing is adopted on the surface, can not get rusty.In addition, because high insulating effect, the inside of composite airduct can not produce condensate water, can breed bacteria.But its intensity is lower, and service life of airduct has been shortened on the surface of easily damaging.
Summary of the invention
The purpose of this utility model is problems such as the intensity that exists in view of existing composite air duct is lower, easily damage in the surface, airduct weak point in service life, traditional galvanized iron sheet airduct of a kind of combination and composite air duct advantage are provided, the outer surface layer of existing anticollision has the steel surface type composite air duct of the inner thermal insulating layer of good heat preservation effect again.
The utility model is provided with steel face type superficial layer, middle foam heat-insulation layer and inner protective layer, and steel face type superficial layer, middle foam heat-insulation layer and each layer of inner protective layer stick with glue and connect.Adopt PVC flange or aluminium alloy flange to connect between the two joint steel surface type composite air ducts.
The steel face type superficial layer can be galvanized steel plain sheet, color steel, aluminium sheet or corrosion resistant plate etc., and the thickness of steel face type superficial layer is preferably 0.1～0.5mm.
Middle foam heat-insulation layer can be the phenol formaldehyde foam layer, layer of polyurethane or extruded polystyrene layer etc., and the thickness of middle foam heat-insulation layer is preferably 15～30mm.
Inner protective layer can be aluminium foil, aluminium-foil paper or sandwich reinforced aluminium foil paper etc., and the thickness of inner protective layer is preferably 50～100 μ m, has good fire-retardant, waterproof, decay resistance.
The utility model can be made the hvac duct of difformity and different size, as: straight tube, outer arcuate rectangular elbow, elbow bend, reducing elbow bend, rectangle reducing pipe, two-way bifurcated pipe, three-dimensional are propped up breeches pipe etc.
The utility model can adopt following method manufacturing.
1) preparation steel surface type composite air duct plate;
2) according to the requirement of dimensions the steel surface type composite air duct plate being carried out pipeline section divides and cutting;
3) with the steel surface type composite air duct plate bonding forming after pipeline section division and the cutting;
4) steel surface type composite air duct behind the bonding forming connects and shutoff.
The preparation method of described steel surface type composite air duct plate; be respectively by behind gluing and the roller plastic roll with steel face type superficial layer and inner protective layer; moisture in the oven dry glue; middle foam heat-insulation layer is placed between steel face type superficial layer and the inner protective layer, the pair roller extruding by compounding machine is bonded as one again.
Described pipeline section is divided and cutting, and concrete grammar is as follows:
When (1) corner is the right angle: the dimensions of calculating airduct, on the steel surface type composite air duct inner cord, carry out segmentation, rule, cut into and be convenient to be converted into 90 ° of V-shaped groove mouths at right angle or be convenient to bonding rectangular 45 ° of angles, the middle foam heat-insulation layer of steel surface type composite air duct plate is cut, and the steel face type superficial layer is not hurt.90 ° of V-type notches or 45 ° of angles of cutting on the internal layer of steel surface type composite air duct plate and middle foam heat-insulation layer are convenient to the notch gluing, flat board is converted into the bonding of right angle and right angle, makes bonding right angle airduct firm, not yielding simultaneously.
Described line, cutting can be divided into 4 kinds of line, cutting method according to the width and the prefabricated length of making airduct two opposite side of steel surface type composite air duct plate:
1) surrounds four limits by a steel surface type composite air duct plate cutting and form steel surface type composite air duct; Or
2) a steel surface type composite air duct plate cutting is surrounded U-shaped three limits, the opening on U-shaped three limits adds a hush panel again, makes steel surface type composite air duct; Or
3) two steel surface type composite air duct plate cuttings are surrounded L shaped both sides, mutual bonding one-tenth steel surface type composite air duct; Or
4) cut into one " single face " respectively by four blocks of steel surface type composite air duct plates, be spliced into steel surface type composite air duct again;
When (2) body has outer arcuate (bending forming): utilize bender required press-bending place on the inner protective layer of steel surface type composite air duct plate to prick and press, make the steel surface type composite air duct plate v-depression occur, prick and press the degree of depth≤5mm, the degree of depth is too big, the sheet material frangibility; The degree of depth is too little, unsuitable bending, and sheet bending length depends on the crooked arc length of airduct.
Described with pipeline section divide with cutting after the steel surface type composite air duct plate to carry out the concrete grammar of bonding forming as follows:
The V-shaped groove mouth and the angle brush coating that on the internal layer of steel surface type composite air duct plate and middle foam heat-insulation layer, cut, treating that hand is touched is converted into the right angle along the V-type groove with the steel face type superficial layer when tack-free and makes the bonding formation rectangular air duct of the corresponding angle of heat-insulation layer, the steel surface type composite air duct outer wall seam crossing of bonding forming paste aluminum foil and adhesive tape or with the right angle strip of steel face type superficial layer same material, with its strickling, cemented side seam is with glass cement or aluminum foil and adhesive tape shutoff in steel surface type composite air duct.
Steel surface type composite air duct behind the described bonding forming connects with the concrete grammar of airduct pipe end shutoff as follows:
1) adopt PVC or aluminium alloy flange to connect, flange is stuck on the steel surface type composite air duct, has viscose glue with steel surface type composite air duct tube wall junction, make flange firm, be difficult for breaking away from, I-shaped cutting is inserted in the flange slot of alignment, corner snaps in the exterior angle lid, and two joint steel surface type composite air ducts are connected and fixed.
2) during the rectangle steel surface type composite air duct mounting flange of the length of side 〉=250mm, at four jiaos of zinc-plated right angle pads of pasting more than the thickness 0.75mm of steel surface type composite air duct, strengthen the rigidity at 4 angles of steel surface type composite air duct, make steel surface type composite air duct indeformable, when adopting metal flange, only need to get final product in one side of steel surface type composite air duct reinforcing; When adopting the PVC flange, all reinforce on the both sides of steel surface type composite air duct.As adopt and reinforce card, can improve the hardness and the intensity of steel surface type composite air duct.
When 3) steel surface type composite air duct is terminal pipeline section, on the internal layer of the terminal edge of steel surface type composite air duct and middle foam heat-insulation layer, cut out 45 ° of angles, then carry out bonding shutoff with the blast pipe board that cuts out 45 ° of angles on corresponding internal layer of edge shape and the middle foam heat-insulation layer with it.
Because middle foam heat-insulation layer that the utility model adopted is that perforated foams is made, high insulating effect not only, and have good acoustic attenuation performance, and need not the processing of eliminating the noise again, can reduce a large amount of troubles.Because the steel face type superficial layer can be galvanized steel plain sheet, color steel, aluminium sheet or corrosion resistant plate etc., its specific strength height, anticollision.Because inner protective layer adopts aluminium foil, aluminium-foil paper or sandwich reinforced aluminium foil paper etc., therefore have good fire-retardant, waterproof, decay resistance.To sum up, steel surface type composite air duct described in the utility model is simple in structure, good looking appearance, noiselessness, in light weight, life-span length, easy construction, take up space for a short time, can be widely used in being incubated the central air-conditioning ventilation shaft in places such as factory building, clean air conditioner room, large-scale exhibition center, gymnasium, market, hospital, hotel, subway, office building, senior villa.Compare with traditional board making airduct technology simultaneously, manufacture craft of the present utility model has more the advantage of operability, more convenient and quicker.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is for surrounding the structural representation that steel surface type composite air duct is formed on four limits by 1 steel surface type composite air duct plate cutting.
Fig. 3 is for surrounding U-shaped three limits with 1 steel surface type composite air duct plate cutting, and the opening on U-shaped three limits adds a hush panel again, makes the structural representation of steel surface type composite air duct.
Fig. 4 is for surrounding L shaped both sides, the structural representation of mutual bonding one-tenth steel surface type composite air duct with 2 steel surface type composite air duct plate cuttings.
Fig. 5 is spliced into the structural representation of steel surface type composite air duct again for to cut into one " single face " respectively by 4 blocks of steel surface type composite air duct plates.
Fig. 6 is the straight tube pipeline section planar structure schematic diagram of steel surface type composite air duct.
Fig. 7 is the A-A cutaway view of Fig. 6.
Fig. 8 is the straight tube pipeline section perspective view of steel surface type composite air duct.
Fig. 9 is steel surface type composite air duct plate bending forming figure.
Figure 10 is swan-neck press shaping die figure.
Figure 11 is for pasting the reducing pipe figure of aluminum foil and adhesive tape.
Figure 12 is that the angle when connecting with flange reinforces figure.
Figure 13 is the terminal shutoff figure of steel surface type composite air duct.
Figure 14 is 90 ° of elbow-making figure.
The specific embodiment
Referring to Fig. 1; described preparation steel surface type composite air duct plate is respectively by behind gluing and the roller plastic roll with steel face type superficial layer 1 and inner protective layer 3; by baking oven the moisture in the glue is evaporated substantially; middle foam heat-insulation layer 2 is placed between steel face type superficial layer and the inner protective layer, the pair roller extruding by compounding machine is bonded as one again again.
Pipeline section is divided with the concrete grammar of cutting as follows:
1) when the corner is the right angle, the dimensions of accurate Calculation airduct is carried out segmentation, line on the steel surface type composite air duct inner cord, according to the width and the prefabricated length of making airduct two opposite side of steel surface type composite air duct plate, can be divided into 4 kinds of line cutting modes.Fig. 2 provides by 1 steel surface type composite air duct plate cutting and surrounds the structural representation that steel surface type composite air duct is formed on four limits.Cut into and be convenient to be converted into 90 ° of V-shaped groove mouths 4 at right angle or be convenient to bonding rectangular 45 ° of angles 5, the middle foam heat-insulation layer of steel surface type composite air duct plate is cut, and the steel face type superficial layer is not hurt.90 ° of V-type notches or 45 ° of angles of cutting on the internal layer of steel surface type composite air duct plate and middle foam heat-insulation layer are convenient to the notch gluing, flat board is converted into the bonding of right angle and right angle, makes bonding right angle airduct firm, not yielding simultaneously.
Fig. 3 provides the cutting of 1 block of steel surface type composite air duct plate is surrounded U-shaped three limits, adds a hush panel U4 again at the opening of U-shaped three limit U1, U2 and U3, makes the structural representation of steel surface type composite air duct.
Fig. 4 provides 2 steel surface type composite air duct plate cuttings is surrounded L shaped both sides, the structural representation of mutual bonding one-tenth steel surface type composite air duct.
Fig. 5 provides by 4 blocks of steel surface type composite air duct plates and cuts into one " single face " respectively, is spliced into the structural representation of steel surface type composite air duct again.
When 2) body has outer arcuate (bending forming): utilize bender required press-bending place on the inner protective layer of steel surface type composite air duct plate to prick and press, make the steel surface type composite air duct plate v-depression occur, prick and press the degree of depth≤5mm, the degree of depth is too big, the sheet material frangibility; The degree of depth is too little, unsuitable bending, and sheet bending length depends on the crooked arc length of airduct.
Described with pipeline section divide with cutting after the steel surface type composite air duct plate to carry out the concrete grammar of bonding forming as follows:
The V-shaped groove mouth and the angle brush coating that on the internal layer of steel surface type composite air duct plate and middle foam heat-insulation layer, cut, treating that hand is touched is converted into the right angle along the V-type groove with the steel face type superficial layer when tack-free and makes the bonding formation rectangular air duct of the corresponding angle of heat-insulation layer, the steel surface type composite air duct outer wall seam crossing of bonding forming paste aluminum foil and adhesive tape or with the right angle strip of steel face type superficial layer same material, with its strickling, cemented side seam is with glass cement or aluminum foil and adhesive tape shutoff in steel surface type composite air duct.
Steel surface type composite air duct behind the described bonding forming connects with the concrete grammar of airduct pipe end shutoff as follows:
(1) adopt PVC or aluminium alloy flange to connect, flange is stuck on the steel surface type composite air duct, has viscose glue with steel surface type composite air duct tube wall junction, make flange firm, be difficult for breaking away from, I-shaped cutting is inserted in the flange slot of alignment, corner snaps in the exterior angle lid, and two joint steel surface type composite air ducts are connected and fixed.
(2) during the rectangle steel surface type composite air duct mounting flange of the length of side 〉=250mm, at four jiaos of zinc-plated right angle pads of pasting more than the thickness 0.75mm of steel surface type composite air duct, strengthen the rigidity at 4 angles of steel surface type composite air duct, make steel surface type composite air duct indeformable, when adopting metal flange, only need to get final product in one side of steel surface type composite air duct reinforcing; When adopting the PVC flange, all reinforce on the both sides of steel surface type composite air duct.As adopt and reinforce card, can improve the hardness and the intensity of steel surface type composite air duct.
When (3) steel surface type composite air duct is terminal pipeline section, on the internal layer of the terminal edge of steel surface type composite air duct and middle foam heat-insulation layer, cut out 45 ° of angles, then carry out bonding shutoff with the blast pipe board that cuts out 45 ° of angles on corresponding internal layer of edge shape and the middle foam heat-insulation layer with it.
The production process of bonding forming is: at " V " type notch brush coating, can be bonding after tack-free when treating that hand is touched, bonding back airduct outer wall seam crossing paste aluminum foil and adhesive tape 11 or with the strip (cleaning the airduct surface before pasting) of steel face type superficial layer same material, evenly wipe off with plastic scrapers.Cemented side seam is done shutoff with glass cement 12 or the wide aluminum foil and adhesive tape of 30mm in the airduct, should clean by the seam place before the shutoff, answers compacting after the shutoff, and is tight, firm to guarantee shutoff.As shown in figure 11.
Airduct connects: 1) adopt PVC or aluminium alloy flange 6 to be connected, flange and airduct junction make flange firm with viscose glue 8, are difficult for breaking away from.I shape cutting 7 is inserted in the flange slot of alignment, and corner snaps in exterior angle lid 9, and two joint airducts are connected and fixed.2) during the rectangular air duct mounting flange of the length of side 〉=250mm, should be at four jiaos of zinc-plated right angle pads 13 of pasting more than the thickness 0.75mm of airduct, strengthen the rigidity at four angles of airduct, make airduct indeformable, only need when adopting metal flange to get final product, should all reinforce on the both sides of airduct when adopting the PVC flange in one side of airduct reinforcing.Reinforce and block the hardness and the intensity that can improve airduct.When 3) airduct is terminal pipeline section, cut out 45 ° of angles 14, then carry out bonding shutoff with blast pipe board.Shown in Fig. 6～8 and Figure 12 and 13.
Embodiment 2
The swan-neck tube manufacture technology of steel surface type composite air duct.Pipeline section is divided, the production process of cutting is: utilize bender required press-bending place on the steel surface type composite air duct inner cord to prick and press, make sheet material " V " type groove 10 occur, have flexible performance.Prick and press the degree of depth should not surpass 5mm, the degree of depth is too big, the sheet material frangibility; The degree of depth is too little, unsuitable bending.Sheet bending length depends on the crooked arc length of airduct.All the other structures and technology are with embodiment 1.As shown in Figures 9 and 10.
Embodiment 3
90 ° of elbow making process of steel surface type composite air duct.The production process of dividing, cutting is: 1) cutting has the left and right sides blast pipe board 15 of certain arc, specifically cuts with embodiment 1.2) blast pipe board 16 about the cutting is specifically cut with embodiment 2.All the other technologies are with embodiment 1, as shown in figure 14.
Claims (5)
1. steel surface type composite air duct is characterized in that being provided with steel face type superficial layer, middle foam heat-insulation layer and inner protective layer, and steel face type superficial layer, middle foam heat-insulation layer and each layer of inner protective layer stick with glue and connect.
2. steel surface type composite air duct as claimed in claim 1, foam heat-insulation layer is the phenol formaldehyde foam layer in the middle of it is characterized in that, layer of polyurethane or extruded polystyrene layer, the thickness of middle foam heat-insulation layer are 15～30mm.
3. steel surface type composite air duct as claimed in claim 1 is characterized in that the steel face type superficial layer is a galvanized steel plain sheet, color steel, aluminium sheet or corrosion resistant plate; The thickness of steel face type superficial layer is 0.1～0.5mm.
4. steel surface type composite air duct as claimed in claim 1 is characterized in that inner protective layer is aluminium foil, aluminium-foil paper or sandwich reinforced aluminium foil paper, and the thickness of inner protective layer is 50～100 μ m.
5. steel surface type composite air duct as claimed in claim 1 is characterized in that steel surface type composite air duct is a straight tube, the outer arcuate rectangular elbow, and elbow bend, the reducing elbow bend, the rectangle reducing pipe, two-way bifurcated pipe or three-dimensional are propped up breeches pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201030786U CN201242248Y (en) | 2008-07-17 | 2008-07-17 | Steel surface type composite air duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201030786U CN201242248Y (en) | 2008-07-17 | 2008-07-17 | Steel surface type composite air duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201242248Y true CN201242248Y (en) | 2009-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201030786U Expired - Fee Related CN201242248Y (en) | 2008-07-17 | 2008-07-17 | Steel surface type composite air duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201242248Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105364059A (en) * | 2015-11-10 | 2016-03-02 | 安徽永茂泰汽车零部件有限公司 | Composite heat preservation layer structure |
| CN105570565A (en) * | 2015-12-31 | 2016-05-11 | 灵汇技术股份有限公司 | Color steel plate composite air duct |
| CN113294599A (en) * | 2021-05-19 | 2021-08-24 | 丽水诚翔环保科技有限公司 | Manufacturing method of ventilating duct |
-
2008
- 2008-07-17 CN CNU2008201030786U patent/CN201242248Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105364059A (en) * | 2015-11-10 | 2016-03-02 | 安徽永茂泰汽车零部件有限公司 | Composite heat preservation layer structure |
| CN105570565A (en) * | 2015-12-31 | 2016-05-11 | 灵汇技术股份有限公司 | Color steel plate composite air duct |
| CN113294599A (en) * | 2021-05-19 | 2021-08-24 | 丽水诚翔环保科技有限公司 | Manufacturing method of ventilating duct |
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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: 20090520 Termination date: 20100717 |