CN209743024U

CN209743024U - Three-layer heat preservation separates heat exchanger

Info

Publication number: CN209743024U
Application number: CN201920400578.4U
Authority: CN
Inventors: 王洪生; 杨丽娜
Original assignee: Suzhou Puke Environmental Technology Co Ltd
Current assignee: Suzhou Puke Environmental Technology Co Ltd
Priority date: 2019-03-27
Filing date: 2019-03-27
Publication date: 2019-12-06
Anticipated expiration: 2029-03-27

Abstract

The utility model provides a three-layer heat preservation separates heat exchanger is fine cloth of glass, glass fiber cotton, aluminium foil cloth from inside to outside in proper order, the thickness scope of the fine cloth of glass is 0.1mm-1mm, the thickness scope of glass fiber cotton is 2mm-20mm, the thickness scope of aluminium foil cloth is 0.1mm-1mm, the three-layer heat preservation separates heat exchanger and passes through a mode and exhaust system fixed connection in buckle, staple bolt, steel wire or the snap-fastener, the snap-fastener is followed the axial of three-layer heat preservation separates heat exchanger is arranged with the heliciform, the both ends that the three-layer heat preservation separates heat exchanger are equipped with two pairs of buckles, the buckle is made up on the three-layer heat preservation separates heat exchanger through the glass fiber line, three-layer heat exchanger surface cover is equipped with the staple bolt. The glass fiber cloth and the glass fiber cotton are adopted for manufacturing, the heat preservation and insulation effect is guaranteed, the thicker aluminum foil cloth is used as the outermost layer, the appearance is exquisite, and the scratch is not easy to occur; the welding step is omitted, so that the stability of the heat shield is ensured, and the process steps are also saved.

Description

Three-layer heat preservation separates heat exchanger

Technical Field

The utility model relates to a thermal-insulated technical field keeps warm, concretely relates to three-layer heat preservation separates heat exchanger.

Background

Exhaust gas in an exhaust system often carries a large amount of heat, and in order to protect devices which are not high in temperature and are close to the exhaust system, a heat-insulating shield is usually arranged on an exhaust pipe. At present, a traditional heat preservation and insulation cover usually adopts a metal baffle heat insulation form or a multilayer cloth structure, the metal baffle occupies a large space, needs to be welded, is difficult to install and arrange, and has poor heat insulation effect; the surface of the multi-layer cloth structure is easy to scratch, the strength is not enough, the thickness is not uniform, and the multi-layer cloth structure is easy to fall off.

The prior patent CN106515107A discloses an aluminum foil glass fiber cloth and a preparation method thereof, wherein the aluminum foil glass fiber cloth comprises an aluminum foil and a glass fiber cloth, the aluminum foil and the glass fiber cloth are compounded together through a flame-retardant adhesive, a SiO2 coating is plated on the surface of the aluminum foil, air holes are formed in the aluminum foil glass fiber cloth, buckles are sewn at two ends of the aluminum foil glass fiber cloth through glass fiber threads, the width of a finished product of the aluminum foil glass fiber cloth is 0.5m, and the length of the finished product is 0.95 times of the circumference C of the outer surface of a pipeline and is then 50mm, and then the finished product. Prior patent CN108979820A discloses an exhaust pipe heat preservation heat shield, which comprises a first heat shield, a second heat shield and a third heat shield, which are all composed of a metal shell and a heat preservation layer. The metal shell is a single-layer stainless steel, the surface of the metal shell is punched into a concave-convex shape, and when the metal shell is used, air existing in the position enables internal heat to be isolated from the outside. After the exhaust pipe is wrapped, the first heat shield and the third heat shield are cylindrical, the second heat shield is in a round table shape, and the overlapped area of the first heat shield and the second heat shield is welded and connected. The lap joint positions of the first heat shield, the second heat shield and the third heat shield are connected through welding, and the first heat shield and the third heat shield are fixed with the bottom surfaces of the lap joint of the surfaces of the exhaust pipes through welding. Current patent CN201574813U discloses a modular blast pipe radiation shield sleeve, the exhaust of specifically being applicable to automobile engine, including the inside lining of outer bellows, inlayer and the fixed end cover of setting at the radiation shield sleeve both ends, the internal surface of bellows cooperatees with the surface of inside lining, the surface of bellows cooperatees with the inboard of fixed end cover, the bellows is composite construction, and the bellows skin adopts the aluminium foil to make, and the bellows inlayer adopts the glass fiber material to make, the inside lining adopts inorganic fiber cotton thermal insulation material to make, be provided with the inside lining kerf along the axial on the inside lining, be provided with the bellows kerf along the axial on the bellows.

And the utility model relates to a three-layer heat preservation separates heat exchanger adopts three layer construction and replaces the welding with unique connected mode, has simplified manufacturing process, makes the structure simple more nimble.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome the defect among the prior art, provide a three-layer heat preservation separates heat exchanger and adopts three layer construction, outmost thick aluminium foil cloth of using, the outward appearance is exquisite, difficult fish tail. The following technical scheme is adopted specifically:

The three-layer heat-preservation heat-insulation cover is characterized in that the thickness range of the glass fiber cloth is 0.1-1 mm, the thickness range of the glass fiber cotton is 2-20 mm, the thickness range of the aluminum foil cloth is 0.1-1 mm, and the three-layer heat-preservation heat-insulation cover is fixedly connected with an exhaust system through one of a buckle, a hoop, a steel wire or a snap fastener.

specifically, the number of the press fasteners is a plurality, and the press fasteners are arranged in two rows along the axial direction of the three-layer heat preservation and insulation cover.

specifically, the distance between adjacent snap fasteners ranges from 5mm to 8 mm.

Further, the snap fasteners are arranged in a spiral shape along the axial direction of the three-layer heat preservation and insulation cover.

specifically, two pairs of buckles are arranged at two ends of the three-layer heat-preservation heat-insulation cover, the buckles are sewn on the three-layer heat-preservation heat-insulation cover through glass fiber threads, and the width of each buckle is 30 mm.

specifically, the surface of the three-layer heat insulation cover is sleeved with hoops, and the distance between every two adjacent hoops ranges from 50mm to 100 mm.

further, the thickness range of the aluminum foil cloth is 0.1mm-1 mm.

Designing the size of a heat insulation sleeve according to the size of an exhaust system, then proofing, cutting out glass fiber cloth, glass fiber cotton and aluminum foil cloth according to the proofing, then sequentially stacking the glass fiber cloth, the glass fiber cotton and the aluminum foil cloth from inside to outside, and sewing to obtain a semi-finished product; then, the required fixing mode is matched to obtain a finished product.

The utility model has the advantages that:

1) The three-layer heat-preservation heat-insulation cover is made of glass fiber cloth with the thickness range of 0.1mm-1mm and glass fiber cotton with the thickness range of 2mm-20mm, so that the heat-preservation and heat-insulation effects are guaranteed, and the outermost layer is made of thicker aluminum foil cloth, so that the appearance is exquisite and the heat-preservation and heat-insulation cover is not easy to scratch;

2) The heat shield and the heat insulation object to be insulated are fixed by the buckles, the hoops or the snap fasteners, so that the welding step is omitted, the stability of the heat shield is ensured, and the process steps are also saved;

3) The spirally arranged snap fasteners can generate torsion, so that the stability of the heat preservation and insulation cover is further improved, and the adhesion force between the heat preservation and insulation cover and an object to be preserved and insulated is larger.

Drawings

FIG. 1 is a schematic structural diagram of the three-layer heat-insulating shield;

FIG. 2 is a schematic view showing the external structure of the three-layer heat-insulating heat shield according to example 1 using snap fasteners;

FIG. 3 is a schematic view of a sewn semifinished product in example 1;

Fig. 4 is a schematic structural view of a three-layer heat preservation and insulation cover using a hoop in embodiment 2.

Description of the drawings: 1-glass fiber cloth, 2-glass fiber cotton, 3-aluminum foil cloth, 4-snap fasteners and 5-hoops.

The specific implementation mode is as follows:

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

As shown in figure 1, the three-layer heat preservation and insulation cover sequentially comprises glass fiber cloth 1, glass fiber cotton 2 and aluminum foil cloth 3 from inside to outside, the thickness range of the glass fiber cloth 1 is 0.1mm-1mm, the thickness range of the glass fiber cotton 2 is 2mm-20mm, the thickness range of the aluminum foil cloth 3 is 0.1mm-1mm, the three-layer heat preservation and insulation cover is fixedly connected with an exhaust system through a snap fastener 4, the number of the snap fasteners is a plurality, the snap fasteners 4 are arranged in two rows along the axial direction of the three layers of heat preservation and insulation covers, the distance range between adjacent snap fasteners 4 is 5mm-8mm, the snap fasteners 4 are arranged spirally along the axial direction of the three layers of heat preservation and insulation covers, at the moment, the snap fasteners can generate torsion, the stability of the heat preservation and insulation covers is further improved, and the adhesion force between the heat preservation and insulation covers and an object to be preserved and insulated is larger, as shown in figure 2. During installation, the pipeline does not need to be disassembled, and any fixing bracket does not need to be arranged, so that the installation space of the heat-preservation and heat-insulation cover is reduced; the welding step is not needed, the process is simplified, and the weight of the heat-insulating shield is reduced. The aluminium foil cloth is to the reflection of high temperature heat for the thermal-insulated effect that keeps warm of thermal-insulated heat exchanger is more obvious in this embodiment.

The manufacturing method of the heat preservation heat shield comprises the steps of designing the size of a heat shield sleeve according to the size of an exhaust system, then performing proofing, cutting out glass fiber cloth, glass fiber cotton and aluminum foil cloth according to the proofing, then sequentially stacking the glass fiber cloth, the glass fiber cotton and the aluminum foil cloth from inside to outside, and performing sewing processing to obtain a semi-finished product, wherein the semi-finished product is shown in figure 3; and then directly fixing the product on an object to be wrapped by using the snap fastener to obtain a finished product. The thickness of each layer of the heat preservation and insulation cover is determined according to the requirement of heat preservation.

Example 2

As shown in fig. 4, compared with embodiment 1, the three-layer heat shield in this embodiment is sleeved with anchor ears, and the distance between adjacent anchor ears ranges from 50mm to 100 mm. The thickness range of the aluminum foil cloth is 0.1mm-1 mm.

Example 3

compared with the embodiment 1, two pairs of buckles are arranged at two ends of the three-layer heat-preservation heat-insulation cover in the embodiment, the buckles are sewn on the three-layer heat-preservation heat-insulation cover through glass fiber threads, and the width of each buckle is 30 mm.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The three-layer heat-preservation heat-insulation cover is characterized in that the thickness range of the glass fiber cloth is 0.1-1 mm, the thickness range of the glass fiber cotton is 2-20 mm, the thickness range of the aluminum foil cloth is 0.1-1 mm, and the three-layer heat-preservation heat-insulation cover is fixedly connected with an exhaust system through one of a buckle, a hoop, a steel wire or a snap fastener.

2. The three-layer heat-insulating shield according to claim 1, wherein the number of the snap fasteners is several, and the snap fasteners are arranged in two rows along the axial direction of the three-layer heat-insulating shield.

3. the three-layer thermal shield of claim 2, wherein the distance between adjacent snap fasteners is in the range of 5mm to 8 mm.

4. The three-layer thermal shield according to claim 3, wherein the snap fasteners are arranged in a spiral pattern along the axis of the three-layer thermal shield.

5. The three-layer heat-preservation heat-insulation cover according to claim 1, wherein two pairs of buckles are arranged at two ends of the three-layer heat-preservation heat-insulation cover, the buckles are sewn on the three-layer heat-preservation heat-insulation cover through glass fiber threads, and the width of the buckles is 30 mm.

6. The three-layer heat-preservation heat-insulation cover as claimed in claim 1, wherein anchor ears are sleeved on the surface of the three-layer heat-insulation cover, and the distance between adjacent anchor ears ranges from 50mm to 100 mm.