CN212319014U - Rock wool strip composite board ventilation air pipe with elastic polymer mortar as reinforcing protective layer - Google Patents
Rock wool strip composite board ventilation air pipe with elastic polymer mortar as reinforcing protective layer Download PDFInfo
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- CN212319014U CN212319014U CN202021401357.8U CN202021401357U CN212319014U CN 212319014 U CN212319014 U CN 212319014U CN 202021401357 U CN202021401357 U CN 202021401357U CN 212319014 U CN212319014 U CN 212319014U
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Abstract
The utility model relates to an use rock wool area composite sheet ventilation tuber pipe of elastic polymer mortar as reinforcing inoxidizing coating, it includes four tube sheets, and four tube sheets are last tube sheet, lower tube sheet, left tube sheet and right tube sheet respectively, and four tube sheets end to end in proper order form the rectangle form tuber pipe, and four tube sheet materials are the same, the tube sheet include core material layer, top layer and inner liner, the inside complex of core material layer has the inner liner, the outside complex of core material layer has the top layer, the core material layer is the rock wool area, the top layer is the fine cloth both sides of glass and coats elastic polymer mortar layer respectively and forms, the inner liner is that the fine cloth both sides of glass coat elastic polymer mortar layer respectively and form. The utility model has the advantages that because tuber pipe surface course material and interior lining material thickness increase, tuber pipe bulk strength reinforcing, shock resistance satisfies and is greater than or equal to 3J shock resistance, under the effect such as collision, strike, sharp-pointed object pierce, tear, can accomplish unable destruction, the unable destruction of later stage installation and fitment process.
Description
Technical Field
The utility model relates to a technical field is made to the tuber pipe, concretely relates to rock wool area composite sheet ventilation tuber pipe who uses the elastic polymer mortar as the reinforcing inoxidizing coating.
Background
The low-pressure composite ventilation air pipes with the heat preservation and insulation functions in the current market are 3, namely a phenolic aldehyde aluminum foil composite plate ventilation air pipe, a polyurethane aluminum foil composite plate ventilation air pipe and a glass fiber aluminum foil composite plate ventilation air pipe, wherein the fire-proof grade of the phenolic aldehyde aluminum foil composite plate ventilation air pipe and the polyurethane aluminum foil composite plate ventilation air pipe is B1 grade, the fire-proof grade of the glass fiber aluminum foil composite plate ventilation air pipe is A2 grade, when the composite material is compounded with a heat-insulating core material phenolic aldehyde plate and a polyurethane plate, the surface layer material of the outer surface of the composite material is a composite reinforced aluminum foil, when the composite surface layer material is the composite reinforced aluminum foil, the thickness is more than or equal to 0.012mm, wherein the reinforced aluminum foil surface layer material is compounded with the heat-insulating core material by adopting thermosensitive adhesive. The fireproof grade of the surface layer material of the reinforced aluminum foil is B1 grade, the fireproof grade of the phenolic aldehyde plate and the polyurethane plate of the heat-insulating core material is B1 grade, the density of the phenolic aldehyde plate is more than or equal to 45kg/m3, the thickness of the phenolic aldehyde plate is more than or equal to 20mm, and the bending strength of the phenolic aldehyde plate is more than or equal to 1.05 MPa; the density of the polyurethane board is more than or equal to 60kg/m3, the thickness is more than or equal to 20mm, and the bending strength is more than or equal to 1.02 MPa; the glass fiber board of the heat-insulating core material is non-combustible A2 grade, the density is more than or equal to 70kg/m3, the thickness is more than or equal to 25mm, and the bending strength is lower. The working pressure of the three air pipes is less than or equal to 2000Pa, and the novel building heat-insulating decorative material has the functions of mould prevention, heat preservation, heat insulation, noise reduction and the like. As the fire-proof design requirements for the ventilation air ducts are gradually increased, the air ducts with the fire-proof grade of B1 are basically not adopted any more, and the existing A-grade fire-proof composite air ducts are all made of composite glass fiber boards. The manufacturing process comprises the following steps of slotting by a special 45-degree angle V-shaped slot cutter, wherein the surface layer composite reinforced aluminum foil of the composite plate cannot be damaged during slotting, then utilizing rectangular pipe bodies with different sizes formed by combining a one-piece method, a two-piece method or a four-piece method, the slot opening in air pipe combination is uniformly coated with a binder, the flatness of the air pipe port is continuously adjusted during combination, the slot opening is free from gaps and staggered openings, the inner joint of the inner angle of the air pipe is subjected to jointing treatment by using the binder, the outer joint of the air pipe is bonded and sealed by using a reserved surface layer material and a heat-sensitive or pressure-sensitive aluminum foil adhesive tape, and meanwhile, the outer joint is. The 45-degree angle V-shaped notch is shown in figure 1; the one-piece, two-piece, or four-piece combination duct is shown in figure 2.
The existing composite glass fiber air pipe is processed by adopting a one-piece method, a two-piece method or a four-piece method according to different size requirements and utilizing the node processing technology, and the external seam processing of the air pipe is realized by sticking and sealing a reserved surface layer material and a heat-sensitive or pressure-sensitive aluminum foil adhesive tape. As shown in fig. 3.
The existing composite glass fiber air pipe has the following defects:
1) the air pipe has low overall strength and poor impact resistance, and particularly, the outer surface layer of the air pipe is easy to damage, collide, knock, pierce, tear and the like, so that the air pipe is easy to damage, the air pipe is easy to damage in the air pipe installation process and the later decoration process, and the hidden danger is large.
2) The composite reinforced aluminum foil or lining material glass fiber cloth of the surface layer material of the air duct is not high in strength and is very easy to damage, the damaged glass fiber plate easily absorbs moisture, the heat preservation effect is poor, the strength of the air duct is reduced, the wind pressure resistance is reduced, meanwhile, the glass fiber is scattered, the health is influenced, and when the damage is serious, a series of problems such as air leakage and mildew can be caused.
3) The composite reinforcement of the surface layer material of the air pipe is thin, the ageing resistance and the durability are slightly poor, the overall design life of the air pipe is short, about 10 years, the fire-proof grade is B1 grade, and the requirement of the fire-proof grade A can not be met.
4) The surface layer material composite reinforced aluminum foil and the lining material glass fiber cloth of the composite glass fiber plate for the air duct are formed by bonding the cured resin and the glass fiber plate, and a certain hollowing rate exists between the surface layer material composite reinforced aluminum foil, the lining material glass fiber cloth and the glass fiber plate.
5) The existing composite glass fiber air pipe has low compression strength and poor bending strength, can only be used in an air conditioning system with working pressure less than or equal to 1000Pa, and simultaneously needs different amounts of built-in supports and external reinforcing frames for reinforcement according to different sizes and design pressures of the air pipe.
Disclosure of Invention
In order to solve the technical problem, the utility model provides an use rock wool area composite sheet ventilation tuber pipe of elastic polymer mortar as reinforcing inoxidizing coating, design benefit, convenient to use, tuber pipe bulk strength reinforcing, shock resistance is good, and is not fragile, and no rock wool fibre flies apart, can not influence healthily.
The technical scheme of the utility model:
the utility model provides an use rock wool area composite sheet ventilation pipe of elastic polymer mortar as reinforcing inoxidizing coating, it includes four tube sheets, and four tube sheets are last tube sheet, lower tube sheet, left tube sheet and right tube sheet respectively, and four tube sheets end to end formation rectangle form tuber pipe in proper order, and four tube sheet materials are the same, the tube sheet include core material layer, top layer and inner liner, the inside complex of core material layer has the inner liner, and the outside complex of core material layer has the top layer, the core material layer is the rock wool area, the top layer is the fine cloth both sides of glass and coats elastic polymer mortar layer respectively and forms, the inner liner is that the fine cloth both sides of glass coat elastic polymer mortar layer respectively and form.
The outer side of the adjacent connecting angle of the tube plate is compounded with an angle wrapping layer, the angle wrapping layer comprises glass fiber cloth, a surface layer and an adhesive layer, the surface layer formed by elastic polymer mortar is compounded on the outer surface of the glass fiber cloth, and the adhesive layer is sprayed on the inner surface of the glass fiber cloth; the corner wrapping layer is bonded on the outer side of the adjacent connecting corner of the tube plate through an adhesive layer.
The core material layer is 30mm thick and has a density of 120kg/m3The rock wool belt is used as a heat-insulating core material of the ventilation air pipe.
The surface layer adopts the mass per unit area of 200g/m2The glass fiber cloth is coated with an elastic polymer mortar layer.
The inner liner layer adopts the mass per unit area of 200g/m2The glass fiber cloth is coated with an elastic polymer mortar layer.
The wrap angle layer is the composite elastic polymer mortar with the outer surface of 500g/m of unit area mass2The self-adhesive glass fiber cloth.
According to the rock wool strip composite board ventilation air pipe taking the elastic polymer mortar as the reinforced protective layer and the manufacturing method of the rock wool strip composite board ventilation air pipe taking the elastic polymer mortar as the reinforced protective layer, the steps are as follows,
1) firstly, mechanically smearing first elastic polymer mortar on the surface layer of a well-arranged rock wool belt, then paving glass fiber cloth on the first mortar, mechanically smearing second elastic polymer mortar, and then naturally curing indoors for 24 hours to form the rock wool belt composite board with the surface layer taking the elastic polymer mortar as a reinforced protective layer.
2) Arranging the rock wool belt composite board of which the surface layer is the reinforced protective layer by using the elastic polymer mortar in the step 1) again, mechanically smearing the first elastic polymer mortar on the inner layer of the arranged rock wool belt, paving the glass fiber cloth on the first mortar, mechanically smearing the second elastic polymer mortar, and naturally maintaining the room for 24 hours to form the rock wool belt composite board of which the inner layer is also the reinforced protective layer by using the elastic polymer mortar; in order to ensure the uniformity of color development after drying, iron oxide black pigment is added into the elastic polymer mortar.
3) The surface layer and the inner layer respectively take elastic polymer mortar as a reinforced protective layerAfter the rock wool belt composite board is manufactured, grooving is carried out through a special 45-degree angle V-shaped groove opening cutter, the inner layer and the rock wool belt are cut off during grooving, but the elastic polymer mortar reinforced protective layer on the surface layer of the composite board cannot be damaged, then rectangular pipe bodies with different sizes are formed by combining a one-piece method, a two-piece method or a four-piece method, the V-shaped groove opening is uniformly coated with a binder during air pipe combination, the flatness of the air pipe opening is continuously adjusted during combination and splicing, gaps and staggered openings cannot be formed during groove opening splicing, the inner corner joint of the air pipe is subjected to adhesive pointing treatment, the outer joint of the air pipe is subjected to unit area mass of 500g/m2The black self-adhesive glass fiber cloth is pasted and sealed, the outer surface of the glass fiber cloth is compounded with elastic polymer mortar, and meanwhile, the outer joint seam is reinforced by a seam-riding nail.
The rock wool strip composite board is made of rock wool strip composite boards with elastic polymer mortar as a reinforcing protective layer, the width and length of the prepared rock wool strip composite boards are 1200mm multiplied by 3000mm respectively, the heat insulation core material is 30mm thick, and the density is 120kg/m3The rock wool strip is used as a surface layer material and a lining material, and the mass per unit area of the rock wool strip is 200g/m2The thickness of the glass fiber cloth composite elastic polymer mortar is 1mm, and a surface layer material and a lining material are coated on two sides of a rock wool belt by adopting a production process of direct mechanical plastering.
When the elastic polymer mortar is used, acrylic resin is added for modification, and the weight ratio of the elastic polymer mortar to the acrylic resin is 1.5: 1.
iron oxide black pigment is added into the elastic polymer mortar, so that the color development uniformity after drying is ensured; the weight ratio of the elastic polymer mortar to the iron oxide black pigment is 1: 100.
the utility model has the advantages that as the thickness of the surface layer material and the lining material of the air pipe is increased, the whole strength of the air pipe is enhanced, the impact resistance can meet the impact resistance of more than or equal to 3J, and the air pipe can not be damaged under the actions of collision, knocking, piercing and tearing of sharp objects and the like, and can not be damaged in the later installation and decoration process; in the past, the heat-insulating core material is damaged and easily absorbs moisture because of the surface layer material and the lining material, so that the problem of poor heat-insulating effect is solved, the utility model discloses the product is free of damage and flies without rock wool fiberThe powder does not affect health, and a series of problems of air leakage, mildew and the like are solved; at 200g/m2The glass fiber cloth composite elastic polymer mortar is used as a surface layer material and a lining material, the ageing resistance and the durability and pressure resistance are greatly enhanced, the service life can reach 25 years, and the service life is 2.5 times of that of a composite glass fiber air pipe; the glass fiber cloth composite elastic polymer mortar is used as a surface layer material and a lining material, and the fire-retardant grade meets the non-combustible A-grade requirement; the surface layer material and the lining material are coated on two sides of the rock wool belt by adopting a production process of direct mechanical plastering, so that the hollowing problem of the surface layer material, the lining material and the heat insulation core material is fundamentally solved, and the materials are compatible and matched better; the rock wool strip composite plate ventilation air pipe with the reinforced protective layer made of the elastic polymer mortar has better integrity and the pressure resistance basically reaches 2 times of that of the existing air pipe; the outer seam of the air duct is stuck and sealed by self-adhesive glass fiber cloth with the mass per unit area of more than or equal to 500g, and compared with an aluminum foil adhesive tape, the self-adhesive glass fiber cloth with the outer surface compounded with the elastic polymer mortar has better sealing property, stronger aging resistance and weather resistance, higher strength, strong tear resistance and non-combustible grade A; the rock wool strip composite plate ventilation air pipe taking the elastic polymer mortar as the reinforcing protective layer has obvious structural advantages and is beneficial to reducing the quantity of the built-in supports and the reinforcing of the outer reinforcing frame.
Drawings
FIG. 1 is a schematic illustration of the slotting of a composite ventilation air duct of the prior art.
FIG. 2 is a schematic diagram of a prior art one-piece, two-piece, or four-piece process combined to form an air duct.
Fig. 3 is a schematic view of a prior art composite ventilation duct.
Fig. 4 is a schematic view of a rock wool strip composite board ventilation air pipe formed by a sheet method and using elastic polymer mortar as a reinforcing protective layer.
Fig. 5 is a first schematic view of a rock wool strip composite board ventilation pipe formed by a two-piece method and using elastic polymer mortar as a reinforcing protective layer.
Fig. 6 is a second schematic view of the rock wool strip composite board ventilation air duct formed by the two-sheet method and using elastic polymer mortar as the reinforcing protective layer.
Fig. 7 is a schematic view of a rock wool strip composite board ventilation air duct formed by a four-sheet method and using elastic polymer mortar as a reinforcing protective layer.
Fig. 8 is a schematic view of the tube sheet of the rock wool ventilation air duct with composite plate using elastic polymer mortar as the reinforcing protective layer.
Fig. 9 is a schematic view of the corner wrapping layer of the rock wool strip composite board ventilation air pipe using elastic polymer mortar as the reinforcing protective layer.
Detailed Description
Referring to the attached drawings 4-9, a rock wool strip composite board ventilation air pipe using elastic polymer mortar as a reinforcing protective layer comprises four pipe plates 1, wherein the four pipe plates are an upper pipe plate, a lower pipe plate, a left pipe plate and a right pipe plate respectively, the four pipe plates 1 are sequentially connected end to form a rectangular air pipe, the four pipe plates are made of the same material, each pipe plate 1 comprises a core material layer 2, a surface layer 3 and an inner liner layer 4, the inner side of the core material layer 1 is compounded with the inner liner layer 4, the outer side of the core material layer 2 is compounded with the surface layer 3, the core material layer 2 is a rock wool strip, the surface layer 3 is formed by coating the elastic polymer mortar layers 32 on two sides of glass fiber cloth 31 respectively, and the inner liner layer 4 is formed by coating the elastic polymer mortar layers 42. The core material layer 1 is 30mm thick and has a density of 120kg/m3The rock wool belt is used as a heat-insulating core material of the ventilation air pipe. The surface layer 3 adopts the mass per unit area of 200g/m2The glass fiber cloth is coated with an elastic polymer mortar layer. The inner liner layer 4 adopts the mass per unit area of 200g/m2The glass fiber cloth is coated with an elastic polymer mortar layer.
The outer side of the adjacent connecting angle of the tube plate 1 is compounded with a corner wrapping layer 5, the corner wrapping layer 5 comprises a glass fiber cloth 51, a surface layer 52 and an adhesive layer 53, the surface layer 52 formed by a layer of elastic polymer mortar is compounded on the outer surface of the glass fiber cloth 51, and the adhesive layer 53 is sprayed on the inner surface of the glass fiber cloth; the corner wrapping layer 5 is bonded to the outer side of the adjacent connecting corner of the tube plate 1 through a glue layer 53. The wrap angle layer 5 is the composite elastic polymer mortar with the outer surface of 500g/m of unit area mass2The self-adhesive glass fiber cloth. By one-piece method and two-piece methodOr the rectangular pipe bodies with different sizes formed by combining four methods need different corner wrapping layers, only 1 external joint of one method needs a corner wrapping, the outer sides of the rest 3 joints are connected by a surface layer, 2 external joints of the two methods need a corner wrapping, the outer sides of the rest 2 joints are connected by a surface layer, and the four methods are that 4 corners are external joints and all need a corner wrapping. The lengths of the upper tube plate and the lower tube plate are the same, the lengths of the left tube plate and the right tube plate are the same, and the splicing parts at the two sides of each tube plate form inclined planes inclined at an angle of 45 degrees.
According to the rock wool strip composite plate ventilation air pipe with the elastic polymer mortar as the reinforcing protective layer and the manufacturing method of the rock wool strip composite plate ventilation air pipe with the elastic polymer mortar as the reinforcing protective layer, the steps are as follows:
1) firstly, mechanically smearing first elastic polymer mortar on the surface layer of a well-arranged rock wool belt, then paving glass fiber cloth on the first mortar, mechanically smearing second elastic polymer mortar, and then naturally curing indoors for 24 hours to form the rock wool belt composite board with the surface layer taking the elastic polymer mortar as a reinforced protective layer.
2) Arranging the rock wool belt composite board of which the surface layer is the reinforced protective layer by using the elastic polymer mortar in the step 1) again, mechanically smearing the first elastic polymer mortar on the inner layer of the arranged rock wool belt, paving the glass fiber cloth on the first mortar, mechanically smearing the second elastic polymer mortar, and naturally maintaining the room for 24 hours to form the rock wool belt composite board of which the inner layer is also the reinforced protective layer by using the elastic polymer mortar; in order to ensure the uniformity of color development after drying, iron oxide black pigment is added into the elastic polymer mortar.
3) After the rock wool strip composite board with the surface layer and the inner layer respectively taking the elastic polymer mortar as the reinforced protective layer is manufactured, slotting is carried out through a special 45-degree angle V-shaped slot cutter, the inner layer and the rock wool strip are cut off during slotting, but the elastic polymer mortar reinforced protective layer on the surface layer of the composite board cannot be damaged, then rectangular pipe bodies with different sizes are formed by combining a one-piece method, a two-piece method or a four-piece method, the V-shaped slot is uniformly coated with a binder during air pipe combination, and the rectangular pipe bodies are combined and spliced to form the composite boardThe flatness of the air pipe end opening is continuously adjusted, the splicing of the notch is free from gaps and staggered joints, the inner joint of the inner corner of the air pipe is subjected to jointing treatment by using an adhesive, and the outer joint of the air pipe is subjected to jointing treatment by using the mass per unit area of 500g/m2The black self-adhesive glass fiber cloth is pasted and sealed, the outer surface of the glass fiber cloth is compounded with elastic polymer mortar, and meanwhile, the outer joint seam is reinforced by a seam-riding nail. Four tube plates are formed by a one-piece method, a two-piece method or a four-piece method, the lengths of the upper tube plate and the lower tube plate are the same, the lengths of the left tube plate and the right tube plate are the same, and the splicing positions of the two sides of each tube plate form inclined planes inclined at an angle of 45 degrees. The four tube plates are connected in sequence through the surface layers in the one-piece method, and when the four tube plates are combined, the surface layers between the adjacent tube plates can be bent and deformed.
The rock wool strip composite board is made of rock wool strip composite boards with elastic polymer mortar as a reinforcing protective layer, the width and length of the prepared rock wool strip composite boards are 1200mm multiplied by 3000mm respectively, the heat insulation core material is 30mm thick, and the density is 120kg/m3The rock wool strip is used as a surface layer material and a lining material, and the mass per unit area of the rock wool strip is 200g/m2The thickness of the glass fiber cloth composite elastic polymer mortar is 1mm, and a surface layer material and a lining material are coated on two sides of a rock wool belt by adopting a production process of direct mechanical plastering.
When the elastic polymer mortar is used, acrylic resin is added for modification, and the weight ratio of the elastic polymer mortar to the acrylic resin is 1.5: 1.
iron oxide black pigment is added into the elastic polymer mortar, so that the color development uniformity after drying is ensured; the weight ratio of the elastic polymer mortar to the iron oxide black pigment is 1: 100.
the utility model discloses the performance explains:
1. the mass per unit area is 200g/m2The glass fiber cloth is coated with a surface layer material and a lining material which are composed of an elastic polymer mortar layer, wherein the glass fiber cloth with the mass per unit area of more than or equal to 200g has good damage resistance, good bending and bending properties, and A-level fire resistance; in addition, the elastic polymer mortar has better elasticity and elongation after being modified by acrylic resinThe elongation can reach 200%, and the bending and bending performance is good, and meanwhile, the waterproof and hydrophobic performances are good, and the advantages of no mildew, no bacteria and the like are achieved; after the glass fiber cloth is compounded, the ageing resistance and the weather resistance are greatly enhanced, the design life can reach 25 years, the A-grade fireproof glass fiber cloth is fireproof, and meanwhile, the A-grade fireproof glass fiber cloth does not crack, crease and the like when being bent or bent, and has stronger capacities of resisting damage, collision, knocking, piercing by a sharp object, tearing and the like.
2.30 mm thick and 120kg/m density3The rock wool belt is used as a heat insulation core material of the ventilation air duct, the heat conductivity coefficient of the rock wool belt is less than or equal to 0.046W (m.K), the rock wool belt has good heat insulation performance, condensation is effectively avoided, and mechanical noise can be effectively reduced or eliminated; the tensile strength of the vertical plate surface is more than or equal to 100kPa, the compressive strength is more than or equal to 40kPa, the shear strength is more than or equal to 20kPa, and the tear resistance, wind pressure resistance and bending resistance are strong; the hydrophobic rate is more than or equal to 99 percent, and the rock wool band fiber has good hydrophobic effect; the fireproof grade is grade A, and the fireproof performance is better. The rock wool band with the density of 120kg/m3 is used as the heat-insulating core material of the ventilation air duct, so that the air duct has the advantages of light weight, heat insulation, sound insulation and noise reduction, and has the greatest advantages of higher density and higher strength.
3. The unit area mass of the composite elastic polymer mortar on the outer surface is 500g/m2The self-adhesive glass fiber cloth adopts the air pipe formed by combining the one-piece method, the two-piece method and the four-piece method, the outer seam position of the air pipe is a fragile part of the air pipe, and the self-adhesive glass fiber cloth with the outer surface compounded with the elastic polymer mortar and the mass per unit area of more than or equal to 500g has better sealing property, stronger aging resistance and weather resistance, higher strength and better tear resistance, the fire-proof grade is a non-combustible grade A, and the number of seam-riding cramps is reduced.
4. The finished product rock wool area composite sheet ventilation tuber pipe that the combination was accomplished, compressive capacity can reach 2 times of current ventilation tuber pipe basically, and the tuber pipe wholeness is better, reduces built-in support and the outer reinforcement frame and consolidates quantity, and the anti destructive power is stronger, and difficult quilt is impaled, is torn, stops leaking gas, provides very big convenience for the secondary fitment, is difficult for producing the bacterium, and healthy environmental protection can reach 25 years in life-span.
Claims (6)
1. The utility model provides an use rock wool area composite sheet ventilation pipe of elastic polymer mortar as reinforcing inoxidizing coating, its characterized in that, it includes four tube sheets, and four tube sheets are last tube sheet, lower tube sheet, left tube sheet and right tube sheet respectively, and four tube sheets end to end in proper order form the rectangle form tuber pipe, and four tube sheet materials are the same, the tube sheet include core material layer, top layer and inner liner, the inside complex of core material layer has the inner liner, and the outside complex of core material layer has the top layer, the core material layer is the rock wool area, the top layer is the fine cloth both sides of glass and coats elastic polymer mortar layer respectively and forms, the inner liner is that the fine cloth both sides of glass coat elastic polymer mortar layer respectively and form.
2. The ventilation duct with rock wool and composite board using elastic polymer mortar as the reinforcing protective layer according to claim 1, characterized in that corner wrapping layers are compounded on the outer sides of adjacent connecting corners of the tube plate, each corner wrapping layer comprises glass fiber cloth, a surface layer and an adhesive layer, the surface layer formed by elastic polymer mortar is compounded on the outer surface of the glass fiber cloth, and the adhesive layer is sprayed on the inner surface of the glass fiber cloth; the corner wrapping layer is bonded on the outer side of the adjacent connecting corner of the tube plate through an adhesive layer.
3. The ventilation duct of rock wool strip composite board as claimed in claim 1, wherein the core material layer is 30mm thick and has a density of 120kg/m3The rock wool belt is used as a heat-insulating core material of the ventilation air pipe.
4. The ventilation duct of rock wool strip composite board as claimed in claim 1, wherein the surface layer is made of a material having a mass per unit area of 200g/m2The glass fiber cloth is coated with an elastic polymer mortar layer.
5. The ventilation duct of rock wool strip composite board as claimed in claim 1, wherein the inner lining layer has a mass per unit area of 200g/m2The glass fiber cloth is coated with an elastic polymer mortar layer.
6. The ventilation duct of rock wool strip composite board as claimed in claim 2, wherein the surface layer of the corner covering layer is made of elastic polymer mortar with a mass per unit area of 500g/m on the outer surface2The self-adhesive glass fiber cloth.
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| CN202021401357.8U CN212319014U (en) | 2020-07-16 | 2020-07-16 | Rock wool strip composite board ventilation air pipe with elastic polymer mortar as reinforcing protective layer |
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| CN202021401357.8U CN212319014U (en) | 2020-07-16 | 2020-07-16 | Rock wool strip composite board ventilation air pipe with elastic polymer mortar as reinforcing protective layer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111810724A (en) * | 2020-07-16 | 2020-10-23 | 上海圣戈威节能环保工程技术有限公司 | Rock wool strip composite board ventilation air pipe with elastic polymer mortar as reinforcing protective layer |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111810724A (en) * | 2020-07-16 | 2020-10-23 | 上海圣戈威节能环保工程技术有限公司 | Rock wool strip composite board ventilation air pipe with elastic polymer mortar as reinforcing protective layer |
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Granted publication date: 20210108 Termination date: 20210716 |