阅读说明：本技术 双孔径新型橡塑保温管及其制造工艺 (Double-aperture rubber-plastic thermal insulation pipe and manufacturing process thereof ) 是由 詹祖成 陈赵军 于 2019-10-30 设计创作，主要内容包括：本发明涉及橡塑管材技术领域,具体为双孔径新型橡塑保温管,包括两个一号管孔,所述一号管孔的内壁上设置有内护层,一号管孔开设在保温橡塑内,保温橡塑的外部套接有外护套,保温橡塑内开设有二号管孔；本发明在双孔径新型橡塑保温管的结构、配方和工艺上均作出了改进,通过内护层、一号管孔、保温橡塑、外护套和二号管孔的设计,能够实现对内护层的回收,保温橡塑的快速降解,能够循环再利用,绿色环保,有利于生态链的良性循环；且通过本发明所述的制造工艺得到的新型橡塑保温管材具有优异的性能,能广泛应用于建筑等领域。(The invention relates to the technical field of rubber and plastic pipes, in particular to a novel double-aperture rubber and plastic heat-insulation pipe which comprises two first pipe holes, wherein an inner protection layer is arranged on the inner wall of each first pipe hole; the structure, the formula and the process of the novel double-aperture rubber-plastic heat-insulation pipe are improved, and the inner protective layer can be recycled through the design of the inner protective layer, the first pipe hole, the heat-insulation rubber-plastic, the outer sheath and the second pipe hole, so that the heat-insulation rubber-plastic heat-insulation pipe is quickly degraded, can be recycled, is green and environment-friendly, and is beneficial to virtuous cycle of an ecological chain; the novel rubber-plastic heat-insulating pipe obtained by the manufacturing process has excellent performance and can be widely applied to the fields of buildings and the like.)

1. The utility model provides a novel rubber and plastic insulating tube of diplopore footpath which characterized in that: the heat-insulation rubber and plastic pipe comprises two first pipe holes, wherein an inner protection layer is arranged on the inner wall of each first pipe hole, the first pipe holes are formed in heat-insulation rubber and plastic, an outer sheath is sleeved outside the heat-insulation rubber and plastic, and second pipe holes are formed in the heat-insulation rubber and plastic; wherein the content of the first and second substances,

the inner protective layer consists of MP resin, acrylic polyurethane resin and a bactericide, and the weight parts of the components are as follows: 60-70 parts of MP resin; 20-30 parts of acrylic polyurethane resin; 10-20 parts of a bactericide;

the heat-preservation rubber and plastic comprises rubber and plastic waste, nitrile rubber, butadiene rubber, aliphatic polyester, starch, a foaming agent, polyvinyl alcohol and a vulcanizing agent, and the weight parts of the components are as follows: 10-20 parts of rubber and plastic waste; 100 portions and 130 portions of nitrile rubber; 4-8 parts of butadiene rubber; 20-25 parts of aliphatic polyester; 5-9 parts of starch; 40-55 parts of a foaming agent; 30-40 parts of polyvinyl alcohol; 10-20 parts of a vulcanizing agent;

the outer sheath is made of PET plastic materials.

2. The novel double-aperture rubber-plastic heat-insulating pipe as claimed in claim 1, wherein: two braces have all been seted up to the upside and the downside of oversheath, integrated into one piece between brace and oversheath, the slot has been seted up to the both sides of brace, and the degree of depth of slot is less than the thickness of oversheath.

3. The double-aperture novel rubber-plastic heat-insulating pipe as claimed in claim 2, characterized in that: the end of the brace is provided with a pull ring, and the pull ring and the brace are integrally formed.

4. The double-aperture novel rubber-plastic heat-insulating pipe as claimed in claim 3, characterized in that: the two sides of the pull ring are of inverted-triangular convex structures.

5. The novel double-aperture rubber-plastic heat-insulating pipe and the manufacturing process thereof as claimed in claim 1, wherein: the heat-preservation rubber plastic also comprises an anti-aging agent, an accelerator and zinc oxide.

6. The manufacturing process of the novel double-aperture rubber-plastic heat-preservation pipe as claimed in any one of claims 1 to 4, characterized in that the manufacturing method comprises the following steps:

s1: preparation of the inner sheath

Mixing MP resin, acrylic polyurethane resin and a bactericide, and stirring for 10min to obtain an inner protective layer coating for later use;

s2: preparation of heat-insulating rubber and plastic

S201: mixing butadiene-acrylonitrile rubber and butadiene rubber, and banburying for 30s to obtain an intermediate product A;

s202: mixing the rubber-plastic waste, the aliphatic polyester, the starch, the foaming agent, the polyvinyl alcohol and the vulcanizing agent with the intermediate product A, and banburying to 130-135 ℃ to obtain an intermediate product B;

s203: mixing an accelerator, sulfur and zinc oxide with the primary sheet, and banburying for 60s to obtain an intermediate product C;

s204: the intermediate product C is milled for 5min, pressed into tablets and cooled for 20min to obtain sheets;

s3: putting the sheet into an extruder, forming the sheet through a die to form a pipe, and vulcanizing and foaming the pipe to obtain heat-preservation rubber and plastic with two first pipe holes and two second pipe holes;

s4: extruding and wrapping the outer sheath made of the PET plastic material on the heat-preservation rubber plastic;

s5: pouring inner protective layer coating and glue into the first pipe hole of the heat-insulating rubber plastic, shaking and turning for 1h to enable the inner protective layer coating to be adhered to the inner wall of the first pipe hole, and standing to obtain the double-aperture rubber plastic heat-insulating pipe;

s6: and cutting two pull strips on the outer sheath by using a cutting grinding tool, and punching holes at the end parts of the pull strips by using an opener to manufacture the rubber-plastic heat-insulating pipe with the pull ring and the double apertures.

Technical Field

The invention relates to the technical field of rubber and plastic pipes, in particular to a novel double-aperture rubber and plastic heat-insulating pipe and a manufacturing process thereof.

Background

The rubber-plastic foaming heat-insulation product is a product with high flame retardance, excellent heat-insulation performance and other performances, and is more and more favored in the market, but because the rubber-plastic foaming heat-insulation product is highly vulcanized, waste materials are difficult to treat through biodegradation, at present, part of manufacturers can recycle a part of rubber-plastic products, the recycled rubber-plastic products can be used as additives to produce new products so as to reduce production cost, but the rubber-plastic foaming heat-insulation product is influenced by market demands and self capacity, the recycling amount can only occupy 10% -20% of the production amount of the rubber-plastic products on average, most of the rubber-plastic products can not be recycled, the rubber-plastic foaming heat-insulation product is generally treated through landfill or incineration, and serious environmental pollution is caused.

Disclosure of Invention

In order to meet the requirements, the invention provides a novel double-aperture rubber-plastic heat-insulating pipe and a manufacturing process thereof.

The technical problem to be solved by the invention is realized by adopting the following technical scheme:

a novel double-aperture rubber and plastic heat-insulation pipe comprises two first pipe holes, wherein an inner protection layer is arranged on the inner wall of each first pipe hole, the first pipe holes are formed in heat-insulation rubber and plastic, an outer sheath is sleeved outside the heat-insulation rubber and plastic, and second pipe holes are formed in the heat-insulation rubber and plastic; wherein the content of the first and second substances,

the inner protective layer consists of MP resin, acrylic polyurethane resin and a bactericide, and the weight parts of the components are as follows: 60-70 parts of MP resin; 20-30 parts of acrylic polyurethane resin; 10-20 parts of a bactericide;

the heat-preservation rubber and plastic comprises rubber and plastic waste, nitrile rubber, butadiene rubber, aliphatic polyester, starch, a foaming agent, polyvinyl alcohol and a vulcanizing agent, and the weight parts of the components are as follows: 10-20 parts of rubber and plastic waste; 100 portions and 130 portions of nitrile rubber; 4-8 parts of butadiene rubber; 20-25 parts of aliphatic polyester; 5-9 parts of starch; 40-55 parts of a foaming agent; 30-40 parts of polyvinyl alcohol; 10-20 parts of a vulcanizing agent;

the outer sheath is made of PET plastic materials.

Preferably, two pull strips are arranged on the upper side and the lower side of the outer sheath, the pull strips and the outer sheath are integrally formed, grooves are formed in two sides of each pull strip, and the depth of each groove is smaller than the thickness of the outer sheath.

Preferably, the end part of the brace is provided with a pull ring, and the pull ring and the brace are integrally formed.

Preferably, two sides of the pull ring are of inverted triangular convex structures.

Preferably, the heat-preservation rubber plastic also comprises an anti-aging agent, an accelerator and zinc oxide.

A manufacturing process of a novel double-aperture rubber-plastic heat-insulating pipe comprises the following steps:

s1: preparation of the inner sheath

Mixing MP resin, acrylic polyurethane resin and a bactericide, and stirring for 10min to obtain an inner protective layer coating for later use;

s2: preparation of heat-insulating rubber and plastic

S201: mixing butadiene-acrylonitrile rubber and butadiene rubber, and banburying for 30s to obtain an intermediate product A;

s202: mixing the rubber-plastic waste, the aliphatic polyester, the starch, the foaming agent, the polyvinyl alcohol and the vulcanizing agent with the intermediate product A, and banburying to 130-135 ℃ to obtain an intermediate product B;

s203: mixing an accelerator, sulfur and zinc oxide with the primary sheet, and banburying for 60s to obtain an intermediate product C;

s204: the intermediate product C is milled for 5min, pressed into tablets and cooled for 20min to obtain sheets;

s3: putting the sheet into an extruder, forming the sheet through a die to form a pipe, and vulcanizing and foaming the pipe to obtain heat-preservation rubber and plastic with two first pipe holes and two second pipe holes;

s4: extruding and wrapping the outer sheath made of the PET plastic material on the heat-preservation rubber plastic;

s5: pouring inner protective layer coating and glue into the first pipe hole of the heat-insulating rubber plastic, shaking and turning for 1h to enable the inner protective layer coating to be adhered to the inner wall of the first pipe hole, and standing to obtain the double-aperture rubber plastic heat-insulating pipe;

s6: and cutting two pull strips on the outer sheath by using a cutting grinding tool, and punching holes at the end parts of the pull strips by using an opener to manufacture the rubber-plastic heat-insulating pipe with the pull ring and the double apertures.

Compared with the prior art, the invention has the beneficial effects that: the structure, the formula and the process of the novel double-aperture rubber-plastic heat-insulation pipe are improved, and the inner protective layer can be recycled through the design of the inner protective layer, the first pipe hole, the heat-insulation rubber-plastic, the outer sheath and the second pipe hole, so that the heat-insulation rubber-plastic heat-insulation pipe is quickly degraded, can be recycled, is green and environment-friendly, and is beneficial to virtuous cycle of an ecological chain; the novel rubber-plastic heat-insulating pipe obtained by the manufacturing process has excellent performance and can be widely applied to the fields of buildings and the like.

Drawings

FIG. 1 is a schematic sectional view of the novel double-aperture rubber-plastic heat-insulating pipe of the present invention;

FIG. 2 is a top view of the novel double-aperture rubber-plastic heat-insulating pipe of the present invention;

FIG. 3 is a flow chart of the preparation method of the novel double-aperture rubber-plastic heat-insulating pipe of the invention;

FIG. 4 is a flow chart of the preparation method of the heat-preservation rubber and plastic.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a technical scheme that:

referring to fig. 1, the novel double-aperture rubber-plastic heat-insulating pipe comprises two first-aperture pipes 1, wherein an inner protection layer 2 is arranged on the inner wall of each first-aperture pipe 1, each first-aperture pipe 1 is arranged in a heat-insulating rubber-plastic 3, an outer sheath 4 is sleeved outside the heat-insulating rubber-plastic 3, and a second-aperture pipe 5 is arranged in the heat-insulating rubber-plastic 3; wherein the content of the first and second substances,

the inner protective layer 2 is composed of MP resin, acrylic polyurethane resin and a bactericide, and the weight parts of the components are as follows: 60-70 parts of MP resin; 20-30 parts of acrylic polyurethane resin; 10-20 parts of a bactericide; interior sheath 2 is as the isolation layer in 1 at a number of tube holes, and the germicide in interior sheath 2 can be effectual is disinfected to the microorganism that invades interior sheath 2, avoids the microorganism bacterium to corrode heat preservation rubber and plastic 3.

The heat-preservation rubber plastic 3 is prepared from rubber plastic waste, nitrile rubber, butadiene rubber, aliphatic polyester, starch, a foaming agent, polyvinyl alcohol and a vulcanizing agent in parts by weight: 10-20 parts of rubber and plastic waste; 100 portions and 130 portions of nitrile rubber; 4-8 parts of butadiene rubber; 20-25 parts of aliphatic polyester; 5-9 parts of starch; 40-55 parts of a foaming agent; 30-40 parts of polyvinyl alcohol; 10-20 parts of a vulcanizing agent; the heat-preservation rubber and plastic 3 can be degraded by microorganism bacteria by adding aliphatic polyester, starch, a foaming agent and polyvinyl alcohol, when the heat-preservation rubber and plastic are abandoned, instruments such as an injector and the like can be utilized to inject microorganisms capable of degrading materials such as aliphatic polyester, starch and the like into the second tube hole 5 and a culture medium for the rapid propagation and growth of the microorganisms, and the microorganisms are degraded from the interior of the heat-preservation rubber and plastic 3 in the second tube hole 5;

oversheath 4 is made by the PET plastics material, oversheath 4 antibacterial capacity of PET plastics material is strong, can excise oversheath 4 and retrieve when abandonment, add in the production of heat preservation rubber and plastic 3 as the rubber and plastic waste material, at this moment, only need with heat preservation rubber and plastic 3 direct landfill can, the microorganism bacterium can carry out biodegradation simultaneously in surface and No. two tube holes 5 of heat preservation rubber and plastic 3, can improve the speed to heat preservation rubber and plastic 3 biodegradation greatly, green, be favorable to the virtuous circle of ecological chain.

Referring to fig. 2, two pull bars 6 are respectively arranged on the upper side and the lower side of the outer sheath 4, the pull bars 6 and the outer sheath 4 are integrally formed, grooves are formed in two sides of each pull bar 6, the depth of each groove is smaller than the thickness of the outer sheath 4, a pull ring 7 is arranged at the end part of each pull bar 6, the pull ring 7 and the pull bars 6 are integrally formed, and two sides of each pull ring 7 are of an inverted triangular protruding structure; through the pull ring 7, the pull strip 6 can be directly stripped from the outer sheath 4, so that the outer sheath 4 can be rapidly stripped, and the outer sheath 4 can be conveniently recycled.

The heat-preservation rubber 3 also comprises an anti-aging agent, an accelerator and zinc oxide, and is used for delaying the aging of high molecular combination.

Referring to fig. 3-4, a manufacturing process of a novel dual-aperture rubber-plastic thermal insulation pipe includes the following steps:

s1: preparation of the inner sheath

Mixing MP resin, acrylic polyurethane resin and a bactericide, and stirring for 10min to obtain an inner protective layer coating for later use;

s2: preparation of heat-insulating rubber and plastic

S201: mixing butadiene-acrylonitrile rubber and butadiene rubber, and banburying for 30s to obtain an intermediate product A;

s202: mixing the rubber-plastic waste, the aliphatic polyester, the starch, the foaming agent, the polyvinyl alcohol and the vulcanizing agent with the intermediate product A, and banburying to 130-135 ℃ to obtain an intermediate product B;

s203: mixing an accelerator, sulfur and zinc oxide with the primary sheet, and banburying for 60s to obtain an intermediate product C;

s204: the intermediate product C is milled for 5min, pressed into tablets and cooled for 20min to obtain sheets;

s3: putting the sheet into an extruder, forming the sheet through a die to form a pipe, and vulcanizing and foaming the pipe to obtain heat-preservation rubber and plastic with two first pipe holes and two second pipe holes;

s4: extruding and wrapping the outer sheath made of the PET plastic material on the heat-preservation rubber plastic;

s5: pouring inner protective layer coating and glue into the first pipe hole of the heat-insulating rubber plastic, shaking and turning for 1h to enable the inner protective layer coating to be adhered to the inner wall of the first pipe hole, and standing to obtain the double-aperture rubber plastic heat-insulating pipe;

s6: and cutting two pull strips on the outer sheath by using a cutting grinding tool, and punching holes at the end parts of the pull strips by using an opener to manufacture the rubber-plastic heat-insulating pipe with the pull ring and the double apertures.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.